コード例 #1
0
ファイル: mod_dims_ops.c プロジェクト: jzastrow/mod_dims
apr_status_t
dims_brightness_operation (dims_request_rec *d, char *args, char **err) {
    MagickStatusType flags;
    GeometryInfo geometry;

    flags = ParseGeometry(args, &geometry);

    //MAGICK_CHECK(MagickBrightnessContrastImage(d->wand,
    //        geometry.rho, geometry.sigma), d);

    return DIMS_SUCCESS;
}
コード例 #2
0
ファイル: geometry.c プロジェクト: edalquist/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
+     I s G e o m e t r y                                                     %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  IsGeometry() returns MagickTrue if the geometry specification is valid.
%  Examples are 100, 100x200, x200, 100x200+10+20, +10+20, 200%, 200x200!, etc.
%
%  The format of the IsGeometry method is:
%
%      MagickBooleanType IsGeometry(const char *geometry)
%
%  A description of each parameter follows:
%
%    o geometry: This string is the geometry specification.
%
*/
MagickExport MagickBooleanType IsGeometry(const char *geometry)
{
  GeometryInfo
    geometry_info;

  MagickStatusType
    flags;

  if (geometry == (const char *) NULL)
    return(MagickFalse);
  flags=ParseGeometry(geometry,&geometry_info);
  return(flags != NoValue ? MagickTrue : MagickFalse);
}
コード例 #3
0
ファイル: mod_dims_ops.c プロジェクト: jzastrow/mod_dims
apr_status_t
dims_sharpen_operation (dims_request_rec *d, char *args, char **err) {
    MagickStatusType flags;
    GeometryInfo geometry;

    flags = ParseGeometry(args, &geometry);
    if ((flags & SigmaValue) == 0) {
        geometry.sigma=1.0;
    }

    MAGICK_CHECK(MagickSharpenImage(d->wand, geometry.rho, geometry.sigma), d);

    return DIMS_SUCCESS;
}
コード例 #4
0
ファイル: feature.hpp プロジェクト: milchakov/omim
  void ForEachPoint(Functor && f, int scale)
  {
    ParseGeometry(scale);

    if (m_points.empty())
    {
      // it's a point feature
      if (GetFeatureType() == feature::GEOM_POINT)
        f(m_center);
    }
    else
    {
      for (size_t i = 0; i < m_points.size(); ++i)
        f(m_points[i]);
    }
  }
// output_data
apr_status_t small_light_filter_imagemagick_output_data(
    ap_filter_t *f,
    apr_bucket_brigade *bb,
    void *v_ctx,
    apr_bucket *e)
{
    ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, f->r, "small_light_filter_imagemagick_output_data");

    request_rec *r = f->r;
    small_light_module_ctx_t* ctx = (small_light_module_ctx_t*)v_ctx;
    small_light_module_imagemagick_ctx_t *lctx = ctx->lctx;
    struct timeval t2, t21, t22, t23, t3;
    MagickBooleanType status = MagickFalse;

    // check data received.
    if (lctx->image == NULL) {
        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "no data received.");
        r->status = HTTP_INTERNAL_SERVER_ERROR;
        return APR_EGENERAL;
    }

    // start image modifing.
    gettimeofday(&t2, NULL);
    small_light_image_size_t sz;
    small_light_calc_image_size(&sz, r, ctx, 10000.0, 10000.0);

    // init wand
    small_light_filter_imagemagick_output_data_init();
    lctx->wand = NewMagickWand();

    // prepare.
    if (sz.jpeghint_flg != 0) {
        char *jpeg_size_opt = (char *)apr_psprintf(r->pool, "%dx%d",
            (int)sz.dw, (int)sz.dh);
        MagickSetOption(lctx->wand, "jpeg:size", jpeg_size_opt);
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "MagickSetOption(jpeg:size, %s)", jpeg_size_opt);
    }

    // load image.
    gettimeofday(&t21, NULL);
    ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "MagickReadImageBlob");
    status = MagickReadImageBlob(lctx->wand, (void *)lctx->image, lctx->image_len);
    if (status == MagickFalse) {
        small_light_filter_imagemagick_output_data_fini(ctx);
        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "couldn't read image");
        r->status = HTTP_INTERNAL_SERVER_ERROR;
        return APR_EGENERAL;
    }

    // calc size.
    gettimeofday(&t22, NULL);
    double iw = (double)MagickGetImageWidth(lctx->wand);
    double ih = (double)MagickGetImageHeight(lctx->wand);
    small_light_calc_image_size(&sz, r, ctx, iw, ih);

    // pass through.
    if (sz.pt_flg != 0) {
        small_light_filter_imagemagick_output_data_fini(ctx);
        apr_bucket *b = apr_bucket_pool_create(lctx->image, lctx->image_len, r->pool, ctx->bb->bucket_alloc);
        APR_BRIGADE_INSERT_TAIL(ctx->bb, b);
        APR_BRIGADE_INSERT_TAIL(ctx->bb, apr_bucket_eos_create(ctx->bb->bucket_alloc));
        return ap_pass_brigade(f->next, ctx->bb);
    }

    // crop, scale.
    status = MagickTrue;
    if (sz.scale_flg != 0) {
        char *crop_geo = (char *)apr_psprintf(r->pool, "%f!x%f!+%f+%f",
            sz.sw, sz.sh, sz.sx, sz.sy);
        char *size_geo = (char *)apr_psprintf(r->pool, "%f!x%f!", sz.dw, sz.dh);
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
            "MagickTransformImage(wand, ""%s"", ""%s"")",
            crop_geo, size_geo);
        MagickWand *trans_wand;
        trans_wand = MagickTransformImage(lctx->wand, crop_geo, size_geo);
        if (trans_wand == NULL || trans_wand == lctx->wand) {
            small_light_filter_imagemagick_output_data_fini(ctx);
            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "MagickTransformImage failed");
            r->status = HTTP_INTERNAL_SERVER_ERROR;
            return APR_EGENERAL;
        }
        DestroyMagickWand(lctx->wand);
        lctx->wand = trans_wand;
    } else {
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "no scale");
    }

    // create canvas then draw image to the canvas.
    if (sz.cw > 0.0 && sz.ch > 0.0) {
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "NewMagickWand()");
        MagickWand *canvas_wand = NewMagickWand();
        PixelWand *canvas_color = NewPixelWand();
        PixelSetRed(canvas_color, sz.cc.r / 255.0);
        PixelSetGreen(canvas_color, sz.cc.g / 255.0);
        PixelSetBlue(canvas_color, sz.cc.b / 255.0);
        PixelSetAlpha(canvas_color, sz.cc.a / 255.0);
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
            "MagickNewImage(canvas_wand, %f, %f, bgcolor)", sz.cw, sz.ch);
        status = MagickNewImage(canvas_wand, sz.cw, sz.ch, canvas_color);
        DestroyPixelWand(canvas_color);
        if (status == MagickFalse) {
            small_light_filter_imagemagick_output_data_fini(ctx);
            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
                "MagickNewImage(canvas_wand, %f, %f, bgcolor) failed", sz.cw, sz.ch);
            r->status = HTTP_INTERNAL_SERVER_ERROR;
            return APR_EGENERAL;
        }
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
            "MagickCompositeImage(canvas_wand, wand, AtopCompositeOp, %f, %f)",
            sz.dx, sz.dy);
        status = MagickCompositeImage(canvas_wand, lctx->wand, AtopCompositeOp, sz.dx, sz.dy);
        if (status == MagickFalse) {
            small_light_filter_imagemagick_output_data_fini(ctx);
            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
                "MagickCompositeImage(canvas_wand, wand, AtopCompositeOp, %f, %f) failed",
                sz.dx, sz.dy);
            r->status = HTTP_INTERNAL_SERVER_ERROR;
            return APR_EGENERAL;
        }
        DestroyMagickWand(lctx->wand);
        lctx->wand = canvas_wand;
    }

    // effects.
    char *unsharp = (char *)apr_table_get(ctx->prm, "unsharp");
    if (unsharp) {
        GeometryInfo geo;
        ParseGeometry(unsharp, &geo);
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
            "MagickUnsharpMaskImage(wand, %f, %f, %f, %f)",
            geo.rho, geo.sigma, geo.xi, geo.psi);
        status = MagickUnsharpMaskImage(lctx->wand, geo.rho, geo.sigma, geo.xi, geo.psi);
        if (status == MagickFalse) {
            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "unsharp failed");
        }
    }

    char *sharpen = (char *)apr_table_get(ctx->prm, "sharpen");
    if (sharpen) {
        GeometryInfo geo;
        ParseGeometry(sharpen, &geo);
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
            "MagickSharpenImage(wand, %f, %f)",
            geo.rho, geo.sigma);
        status = MagickSharpenImage(lctx->wand, geo.rho, geo.sigma);
        if (status == MagickFalse) {
            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "sharpen failed");
        }
    }

    char *blur = (char *)apr_table_get(ctx->prm, "blur");
    if (blur) {
        GeometryInfo geo;
        ParseGeometry(blur, &geo);
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
            "MagickBlurImage(wand, %f, %f)",
            geo.rho, geo.sigma);
        status = MagickBlurImage(lctx->wand, geo.rho, geo.sigma);
        if (status == MagickFalse) {
            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "blur failed");
        }
    }

    // border.
    if (sz.bw > 0.0 || sz.bh > 0.0) {
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "draw border");
        DrawingWand *border_wand = NewDrawingWand();
        PixelWand *border_color;
        border_color = NewPixelWand();
        PixelSetRed(border_color, sz.bc.r / 255.0);
        PixelSetGreen(border_color, sz.bc.g / 255.0);
        PixelSetBlue(border_color, sz.bc.b / 255.0);
        PixelSetAlpha(border_color, sz.bc.a / 255.0);
        DrawSetFillColor(border_wand, border_color);
        DrawSetStrokeColor(border_wand, border_color);
        DrawSetStrokeWidth(border_wand, 1);
        DrawRectangle(border_wand, 0, 0, sz.cw - 1, sz.bh - 1);
        DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.ch - 1);
        DrawRectangle(border_wand, 0, sz.ch - sz.bh, sz.cw - 1, sz.ch - 1);
        DrawRectangle(border_wand, sz.cw - sz.bw, 0, sz.cw - 1, sz.ch - 1);
        MagickDrawImage(lctx->wand, border_wand);
        DestroyPixelWand(border_color);
        DestroyDrawingWand(border_wand);
    }

    gettimeofday(&t23, NULL);

    // set params.
    double q = small_light_parse_double(r, (char *)apr_table_get(ctx->prm, "q"));
    if (q > 0.0) {
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
            "MagickSetImageComressionQualty(wand, %f)", q);
        MagickSetImageCompressionQuality(lctx->wand, q);
    }
    char *of = (char *)apr_table_get(ctx->prm, "of");
    ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
        "MagickSetFormat(wand, '%s')", of);
    MagickSetFormat(lctx->wand, of);

    // get small_lighted image as binary.
    unsigned char *canvas_buff;
    const char *sled_image;
    size_t sled_image_size;
    canvas_buff = MagickGetImageBlob(lctx->wand, &sled_image_size);
    sled_image = (const char *)apr_pmemdup(r->pool, canvas_buff, sled_image_size);
    ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "sled_image_size = %d", sled_image_size);

    // free buffer and wand.
    MagickRelinquishMemory(canvas_buff);
    small_light_filter_imagemagick_output_data_fini(ctx);

    // insert new bucket to bucket brigade.
    apr_bucket *b = apr_bucket_pool_create(sled_image, sled_image_size, r->pool, ctx->bb->bucket_alloc);
    APR_BRIGADE_INSERT_TAIL(ctx->bb, b);

    // insert eos to bucket brigade.
    APR_BRIGADE_INSERT_TAIL(ctx->bb, apr_bucket_eos_create(ctx->bb->bucket_alloc));

    // set correct Content-Type and Content-Length.
    char *cont_type = apr_psprintf(r->pool, "image/%s", of);
    ap_set_content_type(r, cont_type);
    ap_set_content_length(r, sled_image_size);

    // end.
    gettimeofday(&t3, NULL);

    // http header.
    int info = small_light_parse_int(r, (char *)apr_table_get(ctx->prm, "info"));
    if (info != SMALL_LIGHT_INT_INVALID_VALUE && info != 0) {
        char *info = (char *)apr_psprintf(r->pool,
            "transfer=%ldms, modify image=%ldms (load=%ldms, scale=%ldms, save=%ldms)",
            small_light_timeval_diff(&ctx->t, &t2) / 1000L,
            small_light_timeval_diff(&t2, &t3) / 1000L,
            small_light_timeval_diff(&t21, &t22) / 1000L,
            small_light_timeval_diff(&t22, &t23) / 1000L,
            small_light_timeval_diff(&t23, &t3) / 1000L
        );
        ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
            "uri=%s, info=%s)", r->unparsed_uri, info);
        apr_table_setn(r->headers_out, "X-SmallLight-Description", info);
    }

    return ap_pass_brigade(f->next, ctx->bb);
}
コード例 #6
0
ファイル: ps2.c プロジェクト: 0xPr0xy/ImageMagick
static MagickBooleanType WritePS2Image(const ImageInfo *image_info,Image *image)
{
  static const char
    *PostscriptProlog[]=
    {
      "%%%%BeginProlog",
      "%%",
      "%% Display a color image.  The image is displayed in color on",
      "%% Postscript viewers or printers that support color, otherwise",
      "%% it is displayed as grayscale.",
      "%%",
      "/DirectClassImage",
      "{",
      "  %%",
      "  %% Display a DirectClass image.",
      "  %%",
      "  colorspace 0 eq",
      "  {",
      "    /DeviceRGB setcolorspace",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent 8",
      "      /Decode [0 1 0 1 0 1]",
      "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
      "      compression 0 gt",
      "      { /DataSource pixel_stream %s }",
      "      { /DataSource pixel_stream %s } ifelse",
      "    >> image",
      "  }",
      "  {",
      "    /DeviceCMYK setcolorspace",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent 8",
      "      /Decode [1 0 1 0 1 0 1 0]",
      "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
      "      compression 0 gt",
      "      { /DataSource pixel_stream %s }",
      "      { /DataSource pixel_stream %s } ifelse",
      "    >> image",
      "  } ifelse",
      "} bind def",
      "",
      "/PseudoClassImage",
      "{",
      "  %%",
      "  %% Display a PseudoClass image.",
      "  %%",
      "  %% Parameters:",
      "  %%   colors: number of colors in the colormap.",
      "  %%",
      "  currentfile buffer readline pop",
      "  token pop /colors exch def pop",
      "  colors 0 eq",
      "  {",
      "    %%",
      "    %% Image is grayscale.",
      "    %%",
      "    currentfile buffer readline pop",
      "    token pop /bits exch def pop",
      "    /DeviceGray setcolorspace",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent bits",
      "      /Decode [0 1]",
      "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
      "      compression 0 gt",
      "      { /DataSource pixel_stream %s }",
      "      {",
      "        /DataSource pixel_stream %s",
      "        <<",
      "           /K "CCITTParam,
      "           /Columns columns",
      "           /Rows rows",
      "        >> /CCITTFaxDecode filter",
      "      } ifelse",
      "    >> image",
      "  }",
      "  {",
      "    %%",
      "    %% Parameters:",
      "    %%   colormap: red, green, blue color packets.",
      "    %%",
      "    /colormap colors 3 mul string def",
      "    currentfile colormap readhexstring pop pop",
      "    currentfile buffer readline pop",
      "    [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent 8",
      "      /Decode [0 255]",
      "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
      "      compression 0 gt",
      "      { /DataSource pixel_stream %s }",
      "      { /DataSource pixel_stream %s } ifelse",
      "    >> image",
      "  } ifelse",
      "} bind def",
      "",
      "/DisplayImage",
      "{",
      "  %%",
      "  %% Display a DirectClass or PseudoClass image.",
      "  %%",
      "  %% Parameters:",
      "  %%   x & y translation.",
      "  %%   x & y scale.",
      "  %%   label pointsize.",
      "  %%   image label.",
      "  %%   image columns & rows.",
      "  %%   class: 0-DirectClass or 1-PseudoClass.",
      "  %%   colorspace: 0-RGB or 1-CMYK.",
      "  %%   compression: 0-RLECompression or 1-NoCompression.",
      "  %%   hex color packets.",
      "  %%",
      "  gsave",
      "  /buffer 512 string def",
      "  /pixel_stream currentfile def",
      "",
      "  currentfile buffer readline pop",
      "  token pop /x exch def",
      "  token pop /y exch def pop",
      "  x y translate",
      "  currentfile buffer readline pop",
      "  token pop /x exch def",
      "  token pop /y exch def pop",
      "  currentfile buffer readline pop",
      "  token pop /pointsize exch def pop",
      "  /Helvetica findfont pointsize scalefont setfont",
      (char *) NULL
    },
    *PostscriptEpilog[]=
    {
      "  x y scale",
      "  currentfile buffer readline pop",
      "  token pop /columns exch def",
      "  token pop /rows exch def pop",
      "  currentfile buffer readline pop",
      "  token pop /class exch def pop",
      "  currentfile buffer readline pop",
      "  token pop /colorspace exch def pop",
      "  currentfile buffer readline pop",
      "  token pop /compression exch def pop",
      "  class 0 gt { PseudoClassImage } { DirectClassImage } ifelse",
      (char *) NULL
    };

  char
    buffer[MaxTextExtent],
    date[MaxTextExtent],
    page_geometry[MaxTextExtent],
    **labels;

  CompressionType
    compression;

  const char
    **q,
    *value;

  double
    pointsize;

  GeometryInfo
    geometry_info;

  MagickOffsetType
    scene,
    start,
    stop;

  MagickBooleanType
    progress,
    status;

  MagickOffsetType
    offset;

  MagickSizeType
    number_pixels;

  MagickStatusType
    flags;

  PointInfo
    delta,
    resolution,
    scale;

  RectangleInfo
    geometry,
    media_info,
    page_info;

  register const IndexPacket
    *indexes;

  register const PixelPacket
    *p;

  register ssize_t
    x;

  register ssize_t
    i;

  SegmentInfo
    bounds;

  size_t
    length,
    page,
    text_size;

  ssize_t
    j,
    y;

  time_t
    timer;

  unsigned char
    *pixels;

  /*
    Open output image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == MagickFalse)
    return(status);
  compression=image->compression;
  if (image_info->compression != UndefinedCompression)
    compression=image_info->compression;
  switch (compression)
  {
#if !defined(MAGICKCORE_JPEG_DELEGATE)
    case JPEGCompression:
    {
      compression=RLECompression;
      (void) ThrowMagickException(&image->exception,GetMagickModule(),
        MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
        image->filename);
      break;
    }
#endif
    default:
      break;
  }
  (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
  page=1;
  scene=0;
  do
  {
    /*
      Scale relative to dots-per-inch.
    */
    delta.x=DefaultResolution;
    delta.y=DefaultResolution;
    resolution.x=image->x_resolution;
    resolution.y=image->y_resolution;
    if ((resolution.x == 0.0) || (resolution.y == 0.0))
      {
        flags=ParseGeometry(PSDensityGeometry,&geometry_info);
        resolution.x=geometry_info.rho;
        resolution.y=geometry_info.sigma;
        if ((flags & SigmaValue) == 0)
          resolution.y=resolution.x;
      }
    if (image_info->density != (char *) NULL)
      {
        flags=ParseGeometry(image_info->density,&geometry_info);
        resolution.x=geometry_info.rho;
        resolution.y=geometry_info.sigma;
        if ((flags & SigmaValue) == 0)
          resolution.y=resolution.x;
      }
    if (image->units == PixelsPerCentimeterResolution)
      {
        resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
        resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
      }
    SetGeometry(image,&geometry);
    (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
      (double) image->columns,(double) image->rows);
    if (image_info->page != (char *) NULL)
      (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
    else
      if ((image->page.width != 0) && (image->page.height != 0))
        (void) FormatLocaleString(page_geometry,MaxTextExtent,
          "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
          image->page.height,(double) image->page.x,(double) image->page.y);
      else
        if ((image->gravity != UndefinedGravity) &&
            (LocaleCompare(image_info->magick,"PS") == 0))
          (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
    (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
    (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
      &geometry.width,&geometry.height);
    scale.x=(double) (geometry.width*delta.x)/resolution.x;
    geometry.width=(size_t) floor(scale.x+0.5);
    scale.y=(double) (geometry.height*delta.y)/resolution.y;
    geometry.height=(size_t) floor(scale.y+0.5);
    (void) ParseAbsoluteGeometry(page_geometry,&media_info);
    (void) ParseGravityGeometry(image,page_geometry,&page_info,
      &image->exception);
    if (image->gravity != UndefinedGravity)
      {
        geometry.x=(-page_info.x);
        geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
      }
    pointsize=12.0;
    if (image_info->pointsize != 0.0)
      pointsize=image_info->pointsize;
    text_size=0;
    value=GetImageProperty(image,"label");
    if (value != (const char *) NULL)
      text_size=(size_t) (MultilineCensus(value)*pointsize+12);
    if (page == 1)
      {
        /*
          Output Postscript header.
        */
        if (LocaleCompare(image_info->magick,"PS2") == 0)
          (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
        else
          (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
            MaxTextExtent);
        (void) WriteBlobString(image,buffer);
        (void) WriteBlobString(image,"%%Creator: (ImageMagick)\n");
        (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: (%s)\n",
          image->filename);
        (void) WriteBlobString(image,buffer);
        timer=time((time_t *) NULL);
        (void) FormatMagickTime(timer,MaxTextExtent,date);
        (void) FormatLocaleString(buffer,MaxTextExtent,
          "%%%%CreationDate: (%s)\n",date);
        (void) WriteBlobString(image,buffer);
        bounds.x1=(double) geometry.x;
        bounds.y1=(double) geometry.y;
        bounds.x2=(double) geometry.x+geometry.width;
        bounds.y2=(double) geometry.y+geometry.height+text_size;
        if ((image_info->adjoin != MagickFalse) &&
            (GetNextImageInList(image) != (Image *) NULL))
          (void) CopyMagickString(buffer,"%%BoundingBox: (atend)\n",
            MaxTextExtent);
        else
          {
            (void) FormatLocaleString(buffer,MaxTextExtent,
              "%%%%BoundingBox: %.20g %.20g %.20g %.20g\n",ceil(bounds.x1-0.5),
              ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
            (void) WriteBlobString(image,buffer);
            (void) FormatLocaleString(buffer,MaxTextExtent,
              "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
              bounds.y1,bounds.x2,bounds.y2);
          }
        (void) WriteBlobString(image,buffer);
        value=GetImageProperty(image,"label");
        if (value != (const char *) NULL)
          (void) WriteBlobString(image,
            "%%DocumentNeededResources: font Helvetica\n");
        (void) WriteBlobString(image,"%%LanguageLevel: 2\n");
        if (LocaleCompare(image_info->magick,"PS2") != 0)
          (void) WriteBlobString(image,"%%Pages: 1\n");
        else
          {
            (void) WriteBlobString(image,"%%Orientation: Portrait\n");
            (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
            if (image_info->adjoin == MagickFalse)
              (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
            else
              (void) FormatLocaleString(buffer,MaxTextExtent,
                "%%%%Pages: %.20g\n",(double) GetImageListLength(image));
            (void) WriteBlobString(image,buffer);
          }
        (void) WriteBlobString(image,"%%EndComments\n");
        (void) WriteBlobString(image,"\n%%BeginDefaults\n");
        (void) WriteBlobString(image,"%%EndDefaults\n\n");
        /*
          Output Postscript commands.
        */
        for (q=PostscriptProlog; *q; q++)
        {
          switch (compression)
          {
            case NoCompression:
            {
              (void) FormatLocaleString(buffer,MaxTextExtent,*q,
                "/ASCII85Decode filter");
              break;
            }
            case JPEGCompression:
            {
              (void) FormatLocaleString(buffer,MaxTextExtent,*q,
                "/DCTDecode filter");
              break;
            }
            case LZWCompression:
            {
              (void) FormatLocaleString(buffer,MaxTextExtent,*q,
                "/LZWDecode filter");
              break;
            }
            case FaxCompression:
            case Group4Compression:
            {
              (void) FormatLocaleString(buffer,MaxTextExtent,*q," ");
              break;
            }
            default:
            {
              (void) FormatLocaleString(buffer,MaxTextExtent,*q,
                "/RunLengthDecode filter");
              break;
            }
          }
          (void) WriteBlobString(image,buffer);
          (void) WriteBlobByte(image,'\n');
        }
        value=GetImageProperty(image,"label");
        if (value != (const char *) NULL)
          for (j=(ssize_t) MultilineCensus(value)-1; j >= 0; j--)
          {
            (void) WriteBlobString(image,"  /label 512 string def\n");
            (void) WriteBlobString(image,"  currentfile label readline pop\n");
            (void) FormatLocaleString(buffer,MaxTextExtent,
              "  0 y %g add moveto label show pop\n",j*pointsize+12);
            (void) WriteBlobString(image,buffer);
          }
        for (q=PostscriptEpilog; *q; q++)
        {
          (void) FormatLocaleString(buffer,MaxTextExtent,"%s\n",*q);
          (void) WriteBlobString(image,buffer);
        }
        if (LocaleCompare(image_info->magick,"PS2") == 0)
          (void) WriteBlobString(image,"  showpage\n");
        (void) WriteBlobString(image,"} bind def\n");
        (void) WriteBlobString(image,"%%EndProlog\n");
      }
    (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page:  1 %.20g\n",
      (double) page++);
    (void) WriteBlobString(image,buffer);
    (void) FormatLocaleString(buffer,MaxTextExtent,
      "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
      (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+(double)
      (geometry.height+text_size));
    (void) WriteBlobString(image,buffer);
    if ((double) geometry.x < bounds.x1)
      bounds.x1=(double) geometry.x;
    if ((double) geometry.y < bounds.y1)
      bounds.y1=(double) geometry.y;
    if ((double) (geometry.x+geometry.width-1) > bounds.x2)
      bounds.x2=(double) geometry.x+geometry.width-1;
    if ((double) (geometry.y+(geometry.height+text_size)-1) > bounds.y2)
      bounds.y2=(double) geometry.y+(geometry.height+text_size)-1;
    value=GetImageProperty(image,"label");
    if (value != (const char *) NULL)
      (void) WriteBlobString(image,"%%PageResources: font Times-Roman\n");
    if (LocaleCompare(image_info->magick,"PS2") != 0)
      (void) WriteBlobString(image,"userdict begin\n");
    start=TellBlob(image);
    (void) FormatLocaleString(buffer,MaxTextExtent,
      "%%%%BeginData:%13ld %s Bytes\n",0L,
      compression == NoCompression ? "ASCII" : "Binary");
    (void) WriteBlobString(image,buffer);
    stop=TellBlob(image);
    (void) WriteBlobString(image,"DisplayImage\n");
    /*
      Output image data.
    */
    (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
      (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
    (void) WriteBlobString(image,buffer);
    labels=(char **) NULL;
    value=GetImageProperty(image,"label");
    if (value != (const char *) NULL)
      labels=StringToList(value);
    if (labels != (char **) NULL)
      {
        for (i=0; labels[i] != (char *) NULL; i++)
        {
          (void) FormatLocaleString(buffer,MaxTextExtent,"%s \n",
            labels[i]);
          (void) WriteBlobString(image,buffer);
          labels[i]=DestroyString(labels[i]);
        }
        labels=(char **) RelinquishMagickMemory(labels);
      }
    number_pixels=(MagickSizeType) image->columns*image->rows;
    if (number_pixels != (MagickSizeType) ((size_t) number_pixels))
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    if ((compression == FaxCompression) || (compression == Group4Compression) ||
        ((image_info->type != TrueColorType) &&
         (IsGrayImage(image,&image->exception) != MagickFalse)))
      {
        (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n1\n%d\n",
          (double) image->columns,(double) image->rows,(int)
          (image->colorspace == CMYKColorspace));
        (void) WriteBlobString(image,buffer);
        (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
          (int) ((compression != FaxCompression) &&
           (compression != Group4Compression)));
        (void) WriteBlobString(image,buffer);
        (void) WriteBlobString(image,"0\n");
        (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
           (compression == FaxCompression) ||
           (compression == Group4Compression) ? 1 : 8);
        (void) WriteBlobString(image,buffer);
        switch (compression)
        {
          case FaxCompression:
          case Group4Compression:
          {
            if (LocaleCompare(CCITTParam,"0") == 0)
              {
                (void) HuffmanEncodeImage(image_info,image,image);
                break;
              }
            (void) Huffman2DEncodeImage(image_info,image,image);
            break;
          }
          case JPEGCompression:
          {
            status=InjectImageBlob(image_info,image,image,"jpeg",
              &image->exception);
            if (status == MagickFalse)
              ThrowWriterException(CoderError,image->exception.reason);
            break;
          }
          case RLECompression:
          default:
          {
            register unsigned char
              *q;

            /*
              Allocate pixel array.
            */
            length=(size_t) number_pixels;
            pixels=(unsigned char *) AcquireQuantumMemory(length,
              sizeof(*pixels));
            if (pixels == (unsigned char *) NULL)
              ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
            /*
              Dump Runlength encoded pixels.
            */
            q=pixels;
            for (y=0; y < (ssize_t) image->rows; y++)
            {
              p=GetVirtualPixels(image,0,y,image->columns,1,
                &image->exception);
              if (p == (const PixelPacket *) NULL)
                break;
              for (x=0; x < (ssize_t) image->columns; x++)
              {
                *q++=ScaleQuantumToChar(PixelIntensityToQuantum(p));
                p++;
              }
              progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
                image->rows);
              if (progress == MagickFalse)
                break;
            }
            length=(size_t) (q-pixels);
            if (compression == LZWCompression)
              status=LZWEncodeImage(image,length,pixels);
            else
              status=PackbitsEncodeImage(image,length,pixels);
            pixels=(unsigned char *) RelinquishMagickMemory(pixels);
            if (status == MagickFalse)
              {
                (void) CloseBlob(image);
                return(MagickFalse);
              }
            break;
          }
          case NoCompression:
          {
            /*
              Dump uncompressed PseudoColor packets.
            */
            Ascii85Initialize(image);
            for (y=0; y < (ssize_t) image->rows; y++)
            {
              p=GetVirtualPixels(image,0,y,image->columns,1,
                &image->exception);
              if (p == (const PixelPacket *) NULL)
                break;
              for (x=0; x < (ssize_t) image->columns; x++)
              {
                Ascii85Encode(image,ScaleQuantumToChar(
                  PixelIntensityToQuantum(p)));
                p++;
              }
              progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
                y,image->rows);
              if (progress == MagickFalse)
                break;
            }
            Ascii85Flush(image);
            break;
          }
        }
      }
    else
      if ((image->storage_class == DirectClass) || (image->colors > 256) ||
          (compression == JPEGCompression) || (image->matte != MagickFalse))
        {
          (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n0\n%d\n",
            (double) image->columns,(double) image->rows,(int)
            (image->colorspace == CMYKColorspace));
          (void) WriteBlobString(image,buffer);
          (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
            (int) (compression == NoCompression));
          (void) WriteBlobString(image,buffer);
          switch (compression)
          {
            case JPEGCompression:
            {
              status=InjectImageBlob(image_info,image,image,"jpeg",
                &image->exception);
              if (status == MagickFalse)
                ThrowWriterException(CoderError,image->exception.reason);
              break;
            }
            case RLECompression:
            default:
            {
              register unsigned char
                *q;

              /*
                Allocate pixel array.
              */
              length=(size_t) number_pixels;
              pixels=(unsigned char *) AcquireQuantumMemory(length,
                4*sizeof(*pixels));
              if (pixels == (unsigned char *) NULL)
                ThrowWriterException(ResourceLimitError,
                  "MemoryAllocationFailed");
              /*
                Dump Packbit encoded pixels.
              */
              q=pixels;
              for (y=0; y < (ssize_t) image->rows; y++)
              {
                p=GetVirtualPixels(image,0,y,image->columns,1,
                  &image->exception);
                if (p == (const PixelPacket *) NULL)
                  break;
                indexes=GetVirtualIndexQueue(image);
                for (x=0; x < (ssize_t) image->columns; x++)
                {
                  if ((image->matte != MagickFalse) &&
                      (GetPixelOpacity(p) == (Quantum) TransparentOpacity))
                    {
                      *q++=ScaleQuantumToChar((Quantum) QuantumRange);
                      *q++=ScaleQuantumToChar((Quantum) QuantumRange);
                      *q++=ScaleQuantumToChar((Quantum) QuantumRange);
                    }
                  else
                    if (image->colorspace != CMYKColorspace)
                      {
                        *q++=ScaleQuantumToChar(GetPixelRed(p));
                        *q++=ScaleQuantumToChar(GetPixelGreen(p));
                        *q++=ScaleQuantumToChar(GetPixelBlue(p));
                      }
                    else
                      {
                        *q++=ScaleQuantumToChar(GetPixelRed(p));
                        *q++=ScaleQuantumToChar(GetPixelGreen(p));
                        *q++=ScaleQuantumToChar(GetPixelBlue(p));
                        *q++=ScaleQuantumToChar(GetPixelIndex(
                          indexes+x));
                      }
                  p++;
                }
                progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
                  y,image->rows);
                if (progress == MagickFalse)
                  break;
              }
              length=(size_t) (q-pixels);
              if (compression == LZWCompression)
                status=LZWEncodeImage(image,length,pixels);
              else
                status=PackbitsEncodeImage(image,length,pixels);
              if (status == MagickFalse)
                {
                  (void) CloseBlob(image);
                  return(MagickFalse);
                }
              pixels=(unsigned char *) RelinquishMagickMemory(pixels);
              break;
            }
            case NoCompression:
            {
              /*
                Dump uncompressed DirectColor packets.
              */
              Ascii85Initialize(image);
              for (y=0; y < (ssize_t) image->rows; y++)
              {
                p=GetVirtualPixels(image,0,y,image->columns,1,
                  &image->exception);
                if (p == (const PixelPacket *) NULL)
                  break;
                indexes=GetVirtualIndexQueue(image);
                for (x=0; x < (ssize_t) image->columns; x++)
                {
                  if ((image->matte != MagickFalse) &&
                      (GetPixelOpacity(p) == (Quantum) TransparentOpacity))
                    {
                      Ascii85Encode(image,ScaleQuantumToChar((Quantum)
                        QuantumRange));
                      Ascii85Encode(image,ScaleQuantumToChar((Quantum)
                        QuantumRange));
                      Ascii85Encode(image,ScaleQuantumToChar((Quantum)
                        QuantumRange));
                    }
                  else
                    if (image->colorspace != CMYKColorspace)
                      {
                        Ascii85Encode(image,ScaleQuantumToChar(
                          GetPixelRed(p)));
                        Ascii85Encode(image,ScaleQuantumToChar(
                          GetPixelGreen(p)));
                        Ascii85Encode(image,ScaleQuantumToChar(
                          GetPixelBlue(p)));
                      }
                    else
                      {
                        Ascii85Encode(image,ScaleQuantumToChar(
                          GetPixelRed(p)));
                        Ascii85Encode(image,ScaleQuantumToChar(
                          GetPixelGreen(p)));
                        Ascii85Encode(image,ScaleQuantumToChar(
                          GetPixelBlue(p)));
                        Ascii85Encode(image,ScaleQuantumToChar(
                          GetPixelIndex(indexes+x)));
                      }
                  p++;
                }
                progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
                  y,image->rows);
                if (progress == MagickFalse)
                  break;
              }
              Ascii85Flush(image);
              break;
            }
          }
        }
      else
        {
          /*
            Dump number of colors and colormap.
          */
          (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n1\n%d\n",
            (double) image->columns,(double) image->rows,(int)
            (image->colorspace == CMYKColorspace));
          (void) WriteBlobString(image,buffer);
          (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
            (int) (compression == NoCompression));
          (void) WriteBlobString(image,buffer);
          (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double)
            image->colors);
          (void) WriteBlobString(image,buffer);
          for (i=0; i < (ssize_t) image->colors; i++)
          {
            (void) FormatLocaleString(buffer,MaxTextExtent,"%02X%02X%02X\n",
              ScaleQuantumToChar(image->colormap[i].red),
              ScaleQuantumToChar(image->colormap[i].green),
              ScaleQuantumToChar(image->colormap[i].blue));
            (void) WriteBlobString(image,buffer);
          }
          switch (compression)
          {
            case RLECompression:
            default:
            {
              register unsigned char
                *q;

              /*
                Allocate pixel array.
              */
              length=(size_t) number_pixels;
              pixels=(unsigned char *) AcquireQuantumMemory(length,
                sizeof(*pixels));
              if (pixels == (unsigned char *) NULL)
                ThrowWriterException(ResourceLimitError,
                  "MemoryAllocationFailed");
              /*
                Dump Runlength encoded pixels.
              */
              q=pixels;
              for (y=0; y < (ssize_t) image->rows; y++)
              {
                p=GetVirtualPixels(image,0,y,image->columns,1,
                  &image->exception);
                if (p == (const PixelPacket *) NULL)
                  break;
                indexes=GetVirtualIndexQueue(image);
                for (x=0; x < (ssize_t) image->columns; x++)
                  *q++=(unsigned char) GetPixelIndex(indexes+x);
                progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
                  y,image->rows);
                if (progress == MagickFalse)
                  break;
              }
              length=(size_t) (q-pixels);
              if (compression == LZWCompression)
                status=LZWEncodeImage(image,length,pixels);
              else
                status=PackbitsEncodeImage(image,length,pixels);
              pixels=(unsigned char *) RelinquishMagickMemory(pixels);
              if (status == MagickFalse)
                {
                  (void) CloseBlob(image);
                  return(MagickFalse);
                }
              break;
            }
            case NoCompression:
            {
              /*
                Dump uncompressed PseudoColor packets.
              */
              Ascii85Initialize(image);
              for (y=0; y < (ssize_t) image->rows; y++)
              {
                p=GetVirtualPixels(image,0,y,image->columns,1,
                  &image->exception);
                if (p == (const PixelPacket *) NULL)
                  break;
                indexes=GetVirtualIndexQueue(image);
                for (x=0; x < (ssize_t) image->columns; x++)
                  Ascii85Encode(image,(unsigned char) GetPixelIndex(
                    indexes+x));
                progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
                  y,image->rows);
                if (progress == MagickFalse)
                  break;
              }
              Ascii85Flush(image);
              break;
            }
          }
        }
    (void) WriteBlobByte(image,'\n');
    length=(size_t) (TellBlob(image)-stop);
    stop=TellBlob(image);
    offset=SeekBlob(image,start,SEEK_SET);
    if (offset < 0)
      ThrowWriterException(CorruptImageError,"ImproperImageHeader");
    (void) FormatLocaleString(buffer,MaxTextExtent,
      "%%%%BeginData:%13ld %s Bytes\n",(long) length,
      compression == NoCompression ? "ASCII" : "Binary");
    (void) WriteBlobString(image,buffer);
    offset=SeekBlob(image,stop,SEEK_SET);
    (void) WriteBlobString(image,"%%EndData\n");
    if (LocaleCompare(image_info->magick,"PS2") != 0)
      (void) WriteBlobString(image,"end\n");
    (void) WriteBlobString(image,"%%PageTrailer\n");
    if (GetNextImageInList(image) == (Image *) NULL)
      break;
    image=SyncNextImageInList(image);
    status=SetImageProgress(image,SaveImagesTag,scene++,
      GetImageListLength(image));
    if (status == MagickFalse)
      break;
  } while (image_info->adjoin != MagickFalse);
  (void) WriteBlobString(image,"%%Trailer\n");
  if (page > 1)
    {
      (void) FormatLocaleString(buffer,MaxTextExtent,
        "%%%%BoundingBox: %.20g %.20g %.20g %.20g\n",ceil(bounds.x1-0.5),
        ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
      (void) WriteBlobString(image,buffer);
      (void) FormatLocaleString(buffer,MaxTextExtent,
        "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
        bounds.x2,bounds.y2);
      (void) WriteBlobString(image,buffer);
    }
  (void) WriteBlobString(image,"%%EOF\n");
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #7
0
ファイル: emf.c プロジェクト: edalquist/ImageMagick
static Image *ReadEMFImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  Gdiplus::Bitmap
    *bitmap;

  Gdiplus::BitmapData
     bitmap_data;

  Gdiplus::GdiplusStartupInput
    startup_input;

  Gdiplus::Graphics
    *graphics;

  Gdiplus::Image
    *source;

  Gdiplus::Rect
    rect;

  GeometryInfo
    geometry_info;

  Image
    *image;

  MagickStatusType
    flags;

  register Quantum
    *q;

  register ssize_t
    x;

  ssize_t
    y;

  ULONG_PTR
    token;

  unsigned char
    *p;

  wchar_t
    fileName[MagickPathExtent];

  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);

  image=AcquireImage(image_info,exception);
  if (Gdiplus::GdiplusStartup(&token,&startup_input,NULL) != 
    Gdiplus::Status::Ok)
    ThrowReaderException(CoderError, "GdiplusStartupFailed");
  MultiByteToWideChar(CP_UTF8,0,image->filename,-1,fileName,MagickPathExtent);
  source=Gdiplus::Image::FromFile(fileName);
  if (source == (Gdiplus::Image *) NULL)
    {
      Gdiplus::GdiplusShutdown(token);
      ThrowReaderException(FileOpenError,"UnableToOpenFile");
    }

  image->resolution.x=source->GetHorizontalResolution();
  image->resolution.y=source->GetVerticalResolution();
  image->columns=(size_t) source->GetWidth();
  image->rows=(size_t) source->GetHeight();
  if (image_info->density != (char *) NULL)
    {
      flags=ParseGeometry(image_info->density,&geometry_info);
      image->resolution.x=geometry_info.rho;
      image->resolution.y=geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        image->resolution.y=image->resolution.x;
      if ((image->resolution.x > 0.0) && (image->resolution.y > 0.0))
        {
          image->columns=(size_t) floor((Gdiplus::REAL) source->GetWidth() /
            source->GetHorizontalResolution() * image->resolution.x + 0.5);
          image->rows=(size_t)floor((Gdiplus::REAL) source->GetHeight() /
            source->GetVerticalResolution() * image->resolution.y + 0.5);
        }
    }

  bitmap=new Gdiplus::Bitmap((INT) image->columns,(INT) image->rows,
    PixelFormat32bppARGB);
  graphics=Gdiplus::Graphics::FromImage(bitmap);
  graphics->SetInterpolationMode(Gdiplus::InterpolationModeHighQualityBicubic);
  graphics->SetSmoothingMode(Gdiplus::SmoothingModeHighQuality);
  graphics->SetTextRenderingHint(Gdiplus::TextRenderingHintClearTypeGridFit);
  graphics->Clear(Gdiplus::Color((BYTE) ScaleQuantumToChar(
    image->background_color.alpha),(BYTE) ScaleQuantumToChar(
    image->background_color.red),(BYTE) ScaleQuantumToChar(
    image->background_color.green),(BYTE) ScaleQuantumToChar(
    image->background_color.blue)));
  graphics->DrawImage(source,0,0,(INT) image->columns,(INT) image->rows);
  delete graphics;
  delete source;

  rect=Gdiplus::Rect(0,0,(INT) image->columns,(INT) image->rows);
  if (bitmap->LockBits(&rect,Gdiplus::ImageLockModeRead,PixelFormat32bppARGB,
    &bitmap_data) != Gdiplus::Ok)
  {
    delete bitmap;
    Gdiplus::GdiplusShutdown(token);
    ThrowReaderException(FileOpenError,"UnableToReadImageData");
  }

  image->alpha_trait=BlendPixelTrait;
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    p=(unsigned char *) bitmap_data.Scan0+(y*abs(bitmap_data.Stride));
    if (bitmap_data.Stride < 0)
      q=GetAuthenticPixels(image,0,image->rows-y-1,image->columns,1,exception);
    else
      q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (Quantum *) NULL)
      break;

    for (x=0; x < (ssize_t) image->columns; x++)
    {
      SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
      SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
      SetPixelRed(image,ScaleCharToQuantum(*p++),q);
      SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
      q+=GetPixelChannels(image);
    }

    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
  }

  bitmap->UnlockBits(&bitmap_data);
  delete bitmap;
  Gdiplus::GdiplusShutdown(token);
  return(image);
}
コード例 #8
0
ファイル: html.c プロジェクト: SOLARIC/world-opponent-network
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e H T M L I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Method WriteHTMLImage writes an image in the HTML encoded image format.
%
%  The format of the WriteHTMLImage method is:
%
%      unsigned int WriteHTMLImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o status: Method WriteHTMLImage return True if the image is written.
%      False is returned is there is a memory shortage or if the image file
%      fails to write.
%
%    o image_info: Specifies a pointer to an ImageInfo structure.
%
%    o image:  A pointer to a Image structure.
%
%
*/
Export unsigned int WriteHTMLImage(const ImageInfo *image_info,Image *image)
{
  char
    buffer[MaxTextExtent],
    filename[MaxTextExtent],
    mapname[MaxTextExtent],
    url[MaxTextExtent];

  Image
    *next;

  ImageInfo
    *local_info;

  int
    x,
    y;

  register char
    *p;

  register PixelPacket
    *q;

  unsigned int
    height,
    status,
    width;

  /*
    Open image.
  */
  status=OpenBlob(image_info,image,WriteBinaryType);
  if (status == False)
    WriterExit(FileOpenWarning,"Unable to open file",image);
  CloseBlob(image);
  TransformRGBImage(image,RGBColorspace);
  *url='\0';
  if ((Latin1Compare(image_info->magick,"FTP") == 0) ||
      (Latin1Compare(image_info->magick,"HTTP") == 0))
    {
      /*
        Extract URL base from filename.
      */
      p=strrchr(image->filename,'/');
      if (p)
        {
          p++;
          (void) strcpy(url,image_info->magick);
          (void) strcat(url,":");
          url[Extent(url)+p-image->filename]='\0';
          (void) strncat(url,image->filename,p-image->filename);
          (void) strcpy(image->filename,p);
        }
    }
  /*
    Refer to image map file.
  */
  (void) strcpy(filename,image->filename);
  AppendImageFormat("map",filename);
  (void) strcpy(mapname,BaseFilename(filename));
  (void) strcpy(image->filename,image_info->filename);
  (void) strcpy(filename,image->filename);
  local_info=CloneImageInfo(image_info);
  if (local_info == (ImageInfo *) NULL)
    WriterExit(FileOpenWarning,"Unable to allocate memory",image);
  local_info->adjoin=True;
  status=True;
  if (Latin1Compare(image_info->magick,"SHTML") != 0)
    {
      /*
        Open output image file.
      */
      status=OpenBlob(image_info,image,WriteBinaryType);
      if (status == False)
        WriterExit(FileOpenWarning,"Unable to open file",image);
      /*
        Write the HTML image file.
      */
      (void) strcpy(buffer,"<html version=\"2.0\">\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) strcpy(buffer,"<head>\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) sprintf(buffer,"<title>%.1024s</title>\n",
        image->label ? image->label : BaseFilename(image->filename));
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) strcpy(buffer,"</head>\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) strcpy(buffer,"<body>\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) strcpy(buffer,"<center>\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) sprintf(buffer,"<h1>%.1024s</h1>\n",image->filename);
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) strcpy(buffer,"<br><br>\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) strcpy(filename,image->filename);
      AppendImageFormat("gif",filename);
      (void) sprintf(buffer,
        "<img ismap usemap=#%.1024s src=\"%.1024s\" border=0>\n",
        mapname,filename);
      (void) WriteBlob(image,strlen(buffer),buffer);
      /*
        Determine the size and location of each image tile.
      */
      width=image->columns;
      height=image->rows;
      x=0;
      y=0;
      if (image->montage != (char *) NULL)
        (void) ParseGeometry(image->montage,&x,&y,&width,&height);
      /*
        Write an image map.
      */
      (void) sprintf(buffer,"<map name=%.1024s>\n",mapname);
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) sprintf(buffer,"  <area href=""%.1024s""",url);
      (void) WriteBlob(image,strlen(buffer),buffer);
      if (image->directory == (char *) NULL)
        {
          (void) sprintf(buffer,"%.1024s shape=rect coords=0,0,%u,%u>\n",
            image->filename,width-1,height-1);
          (void) WriteBlob(image,strlen(buffer),buffer);
        }
      else
        for (p=image->directory; *p != '\0'; p++)
          if (*p != '\n')
            (void) WriteByte(image,*p);
          else
            {
              (void) sprintf(buffer," shape=rect coords=%d,%d,%d,%d>\n",
                x,y,x+(int) width-1,y+(int) height-1);
              (void) WriteBlob(image,strlen(buffer),buffer);
              if (*(p+1) != '\0')
                {
                  (void) sprintf(buffer,"  <area href=""%.1024s""",url);
                  (void) WriteBlob(image,strlen(buffer),buffer);
                }
              x+=width;
              if (x >= (int) image->columns)
                {
                  x=0;
                  y+=height;
                }
            }
      (void) strcpy(buffer,"</map>\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      if (image->montage != (char *) NULL)
        {
          char
            color[MaxTextExtent] = "#000";

          /*
            Make montage background transparent.
          */
          q=GetPixelCache(image,0,0,1,1);
          if (q != (PixelPacket *) NULL)
            FormatString(color,HexColorFormat,q->red,q->green,q->blue);
          TransparentImage(image,color);
        }
      (void) strcpy(filename,image->filename);
      (void) strcpy(buffer,"</center>\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) strcpy(buffer,"</body>\n");
      (void) WriteBlob(image,strlen(buffer),buffer);
      (void) strcpy(buffer,"</html>\n");
      status=WriteBlob(image,strlen(buffer),buffer);
      CloseBlob(image);
      /*
        Write the image as transparent GIF.
      */
      (void) strcpy(image->filename,filename);
      AppendImageFormat("gif",image->filename);
      next=image->next;
      image->next=(Image *) NULL;
      status|=WriteGIFImage(local_info,image);
      image->next=next;
      /*
        Determine image map filename.
      */
      (void) strcpy(image->filename,filename);
      for (p=filename+Extent(filename)-1; p > (filename+1); p--)
        if (*p == '.')
          {
            (void) strncpy(image->filename,filename,p-filename);
            image->filename[p-filename]='\0';
            break;
          }
      (void) strcat(image->filename,"_map.shtml");
    }
  /*
    Open image map.
  */
  status=OpenBlob(local_info,image,WriteBinaryType);
  if (status == False)
    WriterExit(FileOpenWarning,"Unable to open file",image);
  DestroyImageInfo(local_info);
  /*
    Determine the size and location of each image tile.
  */
  width=image->columns;
  height=image->rows;
  x=0;
  y=0;
  if (image->montage != (char *) NULL)
    (void) ParseGeometry(image->montage,&x,&y,&width,&height);
  /*
    Write an image map.
  */
  (void) sprintf(buffer,"<map name=%.1024s>\n",mapname);
  (void) WriteBlob(image,strlen(buffer),buffer);
  (void) sprintf(buffer,"  <area href=""%.1024s""",url);
  (void) WriteBlob(image,strlen(buffer),buffer);
  if (image->directory == (char *) NULL)
    {
      (void) sprintf(buffer,"%.1024s shape=rect coords=0,0,%u,%u>\n",
        image->filename,width-1,height-1);
      (void) WriteBlob(image,strlen(buffer),buffer);
    }
  else
    for (p=image->directory; *p != '\0'; p++)
      if (*p != '\n')
        (void) WriteByte(image,*p);
      else
        {
          (void) sprintf(buffer," shape=rect coords=%d,%d,%d,%d>\n",x,y,
            x+(int) width-1,y+(int) height-1);
          (void) WriteBlob(image,strlen(buffer),buffer);
          if (*(p+1) != '\0')
            {
              (void) sprintf(buffer,"  <area href=""%.1024s""",url);
              (void) WriteBlob(image,strlen(buffer),buffer);
            }
          x+=width;
          if (x >= (int) image->columns)
            {
              x=0;
              y+=height;
            }
        }
  (void) strcpy(buffer,"</map>\n");
  (void) WriteBlob(image,strlen(buffer),buffer);
  CloseBlob(image);
  (void) strcpy(image->filename,filename);
  return(status);
}
コード例 #9
0
ファイル: yuv.c プロジェクト: JohnHeywardOBrien/photogram
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d Y U V I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadYUVImage() reads an image with digital YUV (CCIR 601 4:1:1, plane
%  or partition interlaced, or 4:2:2 plane, partition interlaced or
%  noninterlaced) bytes and returns it.  It allocates the memory necessary
%  for the new Image structure and returns a pointer to the new image.
%
%  The format of the ReadYUVImage method is:
%
%      Image *ReadYUVImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadYUVImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  Image
    *chroma_image,
    *image,
    *resize_image;

  InterlaceType
    interlace;

  MagickBooleanType
    status;

  register const PixelPacket
    *chroma_pixels;

  register ssize_t
    x;

  register PixelPacket
    *q;

  register unsigned char
    *p;

  ssize_t
    count,
    horizontal_factor,
    vertical_factor,
    y;

  size_t
    quantum;

  unsigned char
    *scanline;

  /*
    Allocate image structure.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  image=AcquireImage(image_info);
  if ((image->columns == 0) || (image->rows == 0))
    ThrowReaderException(OptionError,"MustSpecifyImageSize");
  status=SetImageExtent(image,image->columns,image->rows);
  if (status == MagickFalse)
    {
      InheritException(exception,&image->exception);
      return(DestroyImageList(image));
    }
  quantum=(size_t) (image->depth <= 8 ? 1 : 2);
  interlace=image_info->interlace;
  horizontal_factor=2;
  vertical_factor=2;
  if (image_info->sampling_factor != (char *) NULL)
    {
      GeometryInfo
        geometry_info;

      MagickStatusType
        flags;

      flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
      horizontal_factor=(ssize_t) geometry_info.rho;
      vertical_factor=(ssize_t) geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        vertical_factor=horizontal_factor;
      if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
          (vertical_factor != 1) && (vertical_factor != 2))
        ThrowReaderException(CorruptImageError,"UnexpectedSamplingFactor");
    }
  if ((interlace == UndefinedInterlace) ||
      ((interlace == NoInterlace) && (vertical_factor == 2)))
    {
      interlace=NoInterlace;    /* CCIR 4:2:2 */
      if (vertical_factor == 2)
        interlace=PlaneInterlace; /* CCIR 4:1:1 */
    }
  if (interlace != PartitionInterlace)
    {
      /*
        Open image file.
      */
      status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
      if (status == MagickFalse)
        {
          image=DestroyImageList(image);
          return((Image *) NULL);
        }
      if (DiscardBlobBytes(image,(MagickSizeType) image->offset) == MagickFalse)
        ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
          image->filename);
    }
  /*
    Allocate memory for a scanline.
  */
  if (interlace == NoInterlace)
    scanline=(unsigned char *) AcquireQuantumMemory((size_t) 2UL*
      image->columns+2UL,quantum*sizeof(*scanline));
  else
    scanline=(unsigned char *) AcquireQuantumMemory(image->columns,
      quantum*sizeof(*scanline));
  if (scanline == (unsigned char *) NULL)
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
  do
  {
    chroma_image=CloneImage(image,(image->columns + horizontal_factor - 1) /
      horizontal_factor, (image->rows + vertical_factor - 1) / vertical_factor,
      MagickTrue,exception);
    if (chroma_image == (Image *) NULL)
      ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
    /*
      Convert raster image to pixel packets.
    */
    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    status=SetImageExtent(image,image->columns,image->rows);
    if (status == MagickFalse)
      {
        InheritException(exception,&image->exception);
        return(DestroyImageList(image));
      }
    if (interlace == PartitionInterlace)
      {
        AppendImageFormat("Y",image->filename);
        status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
        if (status == MagickFalse)
          {
            image=DestroyImageList(image);
            return((Image *) NULL);
          }
      }
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      register PixelPacket
        *chroma_pixels;

      if (interlace == NoInterlace)
        {
          if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL))
            (void) ReadBlob(image,(size_t) (2*quantum*image->columns),scanline);
          p=scanline;
          q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
          if (q == (PixelPacket *) NULL)
            break;
          chroma_pixels=QueueAuthenticPixels(chroma_image,0,y,
            chroma_image->columns,1,exception);
          if (chroma_pixels == (PixelPacket *) NULL)
            break;
          for (x=0; x < (ssize_t) image->columns; x+=2)
          {
            SetPixelRed(chroma_pixels,0);
            if (quantum == 1)
              SetPixelGreen(chroma_pixels,ScaleCharToQuantum(*p++));
            else
              {
                SetPixelGreen(chroma_pixels,ScaleShortToQuantum(((*p) << 8) |
                  *(p+1)));
                p+=2;
              }
            if (quantum == 1)
              SetPixelRed(q,ScaleCharToQuantum(*p++));
            else
              {
                SetPixelRed(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
                p+=2;
              }
            SetPixelGreen(q,0);
            SetPixelBlue(q,0);
            q++;
            SetPixelGreen(q,0);
            SetPixelBlue(q,0);
            if (quantum == 1)
              SetPixelBlue(chroma_pixels,ScaleCharToQuantum(*p++));
            else
              {
                SetPixelBlue(chroma_pixels,ScaleShortToQuantum(((*p) << 8) |
                  *(p+1)));
                p+=2;
              }
            if (quantum == 1)
              SetPixelRed(q,ScaleCharToQuantum(*p++));
            else
              {
                SetPixelRed(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
                p+=2;
              }
            chroma_pixels++;
            q++;
          }
        }
      else
        {
          if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL))
            (void) ReadBlob(image,(size_t) quantum*image->columns,scanline);
          p=scanline;
          q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
          if (q == (PixelPacket *) NULL)
            break;
          for (x=0; x < (ssize_t) image->columns; x++)
          {
            if (quantum == 1)
              SetPixelRed(q,ScaleCharToQuantum(*p++));
            else
              {
                SetPixelRed(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
                p+=2;
              }
            SetPixelGreen(q,0);
            SetPixelBlue(q,0);
            q++;
          }
        }
      if (SyncAuthenticPixels(image,exception) == MagickFalse)
        break;
      if (interlace == NoInterlace)
        if (SyncAuthenticPixels(chroma_image,exception) == MagickFalse)
          break;
      if (image->previous == (Image *) NULL)
        {
          status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
            image->rows);
          if (status == MagickFalse)
            break;
        }
    }
    if (interlace == PartitionInterlace)
      {
        (void) CloseBlob(image);
        AppendImageFormat("U",image->filename);
        status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
        if (status == MagickFalse)
          {
            image=DestroyImageList(image);
            return((Image *) NULL);
          }
      }
    if (interlace != NoInterlace)
      {
        for (y=0; y < (ssize_t) chroma_image->rows; y++)
        {
          (void) ReadBlob(image,(size_t) quantum*chroma_image->columns,scanline);
          p=scanline;
          q=QueueAuthenticPixels(chroma_image,0,y,chroma_image->columns,1,
            exception);
          if (q == (PixelPacket *) NULL)
            break;
          for (x=0; x < (ssize_t) chroma_image->columns; x++)
          {
            SetPixelRed(q,0);
            if (quantum == 1)
              SetPixelGreen(q,ScaleCharToQuantum(*p++));
            else
              {
                SetPixelGreen(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
                p+=2;
              }
            SetPixelBlue(q,0);
            q++;
          }
          if (SyncAuthenticPixels(chroma_image,exception) == MagickFalse)
            break;
        }
      if (interlace == PartitionInterlace)
        {
          (void) CloseBlob(image);
          AppendImageFormat("V",image->filename);
          status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
          if (status == MagickFalse)
            {
              image=DestroyImageList(image);
              return((Image *) NULL);
            }
        }
      for (y=0; y < (ssize_t) chroma_image->rows; y++)
      {
        (void) ReadBlob(image,(size_t) quantum*chroma_image->columns,scanline);
        p=scanline;
        q=GetAuthenticPixels(chroma_image,0,y,chroma_image->columns,1,
          exception);
        if (q == (PixelPacket *) NULL)
          break;
        for (x=0; x < (ssize_t) chroma_image->columns; x++)
        {
          if (quantum == 1)
            SetPixelBlue(q,ScaleCharToQuantum(*p++));
          else
            {
              SetPixelBlue(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
              p+=2;
            }
          q++;
        }
        if (SyncAuthenticPixels(chroma_image,exception) == MagickFalse)
          break;
      }
    }
    /*
      Scale image.
    */
    resize_image=ResizeImage(chroma_image,image->columns,image->rows,
      TriangleFilter,1.0,exception);
    chroma_image=DestroyImage(chroma_image);
    if (resize_image == (Image *) NULL)
      ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
      chroma_pixels=GetVirtualPixels(resize_image,0,y,resize_image->columns,1,
        &resize_image->exception);
      if ((q == (PixelPacket *) NULL) ||
          (chroma_pixels == (const PixelPacket *) NULL))
        break;
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        SetPixelGreen(q,GetPixelGreen(chroma_pixels));
        SetPixelBlue(q,GetPixelBlue(chroma_pixels));
        chroma_pixels++;
        q++;
      }
      if (SyncAuthenticPixels(image,exception) == MagickFalse)
        break;
    }
    resize_image=DestroyImage(resize_image);
    SetImageColorspace(image,YCbCrColorspace);
    if (interlace == PartitionInterlace)
      (void) CopyMagickString(image->filename,image_info->filename,
        MaxTextExtent);
    if (EOFBlob(image) != MagickFalse)
      {
        ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
          image->filename);
        break;
      }
    /*
      Proceed to next image.
    */
    if (image_info->number_scenes != 0)
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    if (interlace == NoInterlace)
      count=ReadBlob(image,(size_t) (2*quantum*image->columns),scanline);
    else
      count=ReadBlob(image,(size_t) quantum*image->columns,scanline);
    if (count != 0)
      {
        /*
          Allocate next image structure.
        */
        AcquireNextImage(image_info,image);
        if (GetNextImageInList(image) == (Image *) NULL)
          {
            image=DestroyImageList(image);
            return((Image *) NULL);
          }
        image=SyncNextImageInList(image);
        status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
          GetBlobSize(image));
        if (status == MagickFalse)
          break;
      }
  } while (count != 0);
  scanline=(unsigned char *) RelinquishMagickMemory(scanline);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}
コード例 #10
0
ファイル: geometry.c プロジェクト: JasonGross/characters
MagickExport MagickStatusType ParseMetaGeometry(const char *geometry,ssize_t *x,
  ssize_t *y,size_t *width,size_t *height)
{
  GeometryInfo
    geometry_info;

  MagickStatusType
    flags;

  size_t
    former_height,
    former_width;

  /*
    Ensure the image geometry is valid.
  */
  assert(x != (ssize_t *) NULL);
  assert(y != (ssize_t *) NULL);
  assert(width != (size_t *) NULL);
  assert(height != (size_t *) NULL);
  if ((geometry == (char *) NULL) || (*geometry == '\0'))
    return(NoValue);
  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",geometry);
  /*
    Parse geometry using GetGeometry.
  */
  SetGeometryInfo(&geometry_info);
  former_width=(*width);
  former_height=(*height);
  flags=GetGeometry(geometry,x,y,width,height);
  if ((flags & PercentValue) != 0)
    {
      MagickStatusType
        flags;

      PointInfo
        scale;

      /*
        Geometry is a percentage of the image size.
      */
      flags=ParseGeometry(geometry,&geometry_info);
      scale.x=geometry_info.rho;
      if ((flags & RhoValue) == 0)
        scale.x=100.0;
      scale.y=geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        scale.y=scale.x;
      *width=(size_t) floor(scale.x*former_width/100.0+0.5);
      if (*width == 0)
        *width=1;
      *height=(size_t) floor(scale.y*former_height/100.0+0.5);
      if (*height == 0)
        *height=1;
      former_width=(*width);
      former_height=(*height);
    }
  if (((flags & AspectValue) == 0) && ((*width != former_width) ||
      (*height != former_height)))
    {
      MagickRealType
        scale_factor;

      /*
        Respect aspect ratio of the image.
      */
      if ((former_width == 0) || (former_height == 0))
        scale_factor=1.0;
      else
        if (((flags & RhoValue) != 0) && (flags & SigmaValue) != 0)
          {
            scale_factor=(MagickRealType) *width/(MagickRealType) former_width;
            if ((flags & MinimumValue) == 0)
              {
                if (scale_factor > ((MagickRealType) *height/
                    (MagickRealType) former_height))
                  scale_factor=(MagickRealType) *height/(MagickRealType)
                    former_height;
              }
            else
              if (scale_factor < ((MagickRealType) *height/
                  (MagickRealType) former_height))
                scale_factor=(MagickRealType) *height/(MagickRealType)
                  former_height;
          }
        else
          if ((flags & RhoValue) != 0)
            {
              scale_factor=(MagickRealType) *width/(MagickRealType)
                former_width;
              if (((flags & MinimumValue) != 0) &&
                  (scale_factor < ((MagickRealType) *width/
                    (MagickRealType) former_height)))
                scale_factor=(MagickRealType) *width/(MagickRealType)
                  former_height;
            }
          else
            {
              scale_factor=(MagickRealType) *height/(MagickRealType)
                former_height;
              if (((flags & MinimumValue) != 0) &&
                  (scale_factor < ((MagickRealType) *height/
                    (MagickRealType) former_width)))
                scale_factor=(MagickRealType) *height/(MagickRealType)
                  former_width;
            }
      *width=MagickMax((size_t) floor(scale_factor*former_width+0.5),
        1UL);
      *height=MagickMax((size_t) floor(scale_factor*former_height+0.5),
        1UL);
    }
  if ((flags & GreaterValue) != 0)
    {
      if (former_width < *width)
        *width=former_width;
      if (former_height < *height)
        *height=former_height;
    }
  if ((flags & LessValue) != 0)
    {
      if (former_width > *width)
        *width=former_width;
      if (former_height > *height)
        *height=former_height;
    }
  if ((flags & AreaValue) != 0)
    {
      MagickRealType
        area,
        distance;

      PointInfo
        scale;

      /*
        Geometry is a maximum area in pixels.
      */
      (void) ParseGeometry(geometry,&geometry_info);
      area=geometry_info.rho;
      distance=sqrt((double) former_width*former_height);
      scale.x=(double) former_width/(double) (distance/sqrt((double) area));
      scale.y=(double) former_height/(double) (distance/sqrt((double) area));
      if ((scale.x < (double) *width) || (scale.y < (double) *height))
        {
          *width=(size_t) (former_width/(distance/sqrt((double) area)));
          *height=(size_t) (former_height/(distance/
            sqrt((double) area)));
        }
      former_width=(*width);
      former_height=(*height);
    }
  return(flags);
}
コード例 #11
0
ファイル: txt.c プロジェクト: GalliumOS/imagemagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d T E X T I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadTEXTImage() reads a text file and returns it as an image.  It
%  allocates the memory necessary for the new Image structure and returns a
%  pointer to the new image.
%
%  The format of the ReadTEXTImage method is:
%
%      Image *ReadTEXTImage(const ImageInfo *image_info,Image *image,
%        char *text,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o image: the image.
%
%    o text: the text storage buffer.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadTEXTImage(const ImageInfo *image_info,Image *image,
  char *text,ExceptionInfo *exception)
{
  char
    filename[MaxTextExtent],
    geometry[MaxTextExtent],
    *p;

  DrawInfo
    *draw_info;

  Image
    *texture;

  MagickBooleanType
    status;

  PointInfo
    delta;

  RectangleInfo
    page;

  ssize_t
    offset;

  TypeMetric
    metrics;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  /*
    Set the page geometry.
  */
  delta.x=DefaultResolution;
  delta.y=DefaultResolution;
  if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0))
    {
      GeometryInfo
        geometry_info;

      MagickStatusType
        flags;

      flags=ParseGeometry(PSDensityGeometry,&geometry_info);
      image->x_resolution=geometry_info.rho;
      image->y_resolution=geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        image->y_resolution=image->x_resolution;
    }
  page.width=612;
  page.height=792;
  page.x=43;
  page.y=43;
  if (image_info->page != (char *) NULL)
    (void) ParseAbsoluteGeometry(image_info->page,&page);
  /*
    Initialize Image structure.
  */
  image->columns=(size_t) floor((((double) page.width*image->x_resolution)/
    delta.x)+0.5);
  image->rows=(size_t) floor((((double) page.height*image->y_resolution)/
    delta.y)+0.5);
  image->page.x=0;
  image->page.y=0;
  texture=(Image *) NULL;
  if (image_info->texture != (char *) NULL)
    {
      ImageInfo
        *read_info;

      read_info=CloneImageInfo(image_info);
      SetImageInfoBlob(read_info,(void *) NULL,0);
      (void) CopyMagickString(read_info->filename,image_info->texture,
        MaxTextExtent);
      texture=ReadImage(read_info,exception);
      read_info=DestroyImageInfo(read_info);
    }
  /*
    Annotate the text image.
  */
  (void) SetImageBackgroundColor(image);
  draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
  (void) CloneString(&draw_info->text,image_info->filename);
  (void) FormatLocaleString(geometry,MaxTextExtent,"0x0%+ld%+ld",(long) page.x,
    (long) page.y);
  (void) CloneString(&draw_info->geometry,geometry);
  status=GetTypeMetrics(image,draw_info,&metrics);
  if (status == MagickFalse)
    ThrowReaderException(TypeError,"UnableToGetTypeMetrics");
  page.y=(ssize_t) ceil((double) page.y+metrics.ascent-0.5);
  (void) FormatLocaleString(geometry,MaxTextExtent,"0x0%+ld%+ld",(long) page.x,
    (long) page.y);
  (void) CloneString(&draw_info->geometry,geometry);
  (void) CopyMagickString(filename,image_info->filename,MaxTextExtent);
  if (*draw_info->text != '\0')
    *draw_info->text='\0';
  p=text;
  for (offset=2*page.y; p != (char *) NULL; )
  {
    /*
      Annotate image with text.
    */
    (void) ConcatenateString(&draw_info->text,text);
    (void) ConcatenateString(&draw_info->text,"\n");
    offset+=(ssize_t) (metrics.ascent-metrics.descent);
    if (image->previous == (Image *) NULL)
      {
        status=SetImageProgress(image,LoadImageTag,offset,image->rows);
        if (status == MagickFalse)
          break;
      }
    p=ReadBlobString(image,text);
    if ((offset < (ssize_t) image->rows) && (p != (char *) NULL))
      continue;
    if (texture != (Image *) NULL)
      {
        MagickProgressMonitor
          progress_monitor;

        progress_monitor=SetImageProgressMonitor(image,
          (MagickProgressMonitor) NULL,image->client_data);
        (void) TextureImage(image,texture);
        (void) SetImageProgressMonitor(image,progress_monitor,
          image->client_data);
      }
    (void) AnnotateImage(image,draw_info);
    if (p == (char *) NULL)
      break;
    /*
      Page is full-- allocate next image structure.
    */
    *draw_info->text='\0';
    offset=2*page.y;
    AcquireNextImage(image_info,image);
    if (GetNextImageInList(image) == (Image *) NULL)
      {
        image=DestroyImageList(image);
        return((Image *) NULL);
      }
    image->next->columns=image->columns;
    image->next->rows=image->rows;
    image=SyncNextImageInList(image);
    (void) CopyMagickString(image->filename,filename,MaxTextExtent);
    (void) SetImageBackgroundColor(image);
    status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
      GetBlobSize(image));
    if (status == MagickFalse)
      break;
  }
  if (texture != (Image *) NULL)
    {
      MagickProgressMonitor
        progress_monitor;

      progress_monitor=SetImageProgressMonitor(image,
        (MagickProgressMonitor) NULL,image->client_data);
      (void) TextureImage(image,texture);
      (void) SetImageProgressMonitor(image,progress_monitor,image->client_data);
    }
  (void) AnnotateImage(image,draw_info);
  if (texture != (Image *) NULL)
    texture=DestroyImage(texture);
  draw_info=DestroyDrawInfo(draw_info);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}
コード例 #12
0
ファイル: rmutil.c プロジェクト: r-project/BS
/*
    Extern:     rm_sync_image_options
    Purpose:    Propagate ImageInfo values to the Image
    Ref:        SyncImageSettings (in mogrify.c)
*/
void rm_sync_image_options(Image *image, Info *info)
{
    MagickStatusType flags;
    GeometryInfo geometry_info;
    const char *option;

    // The option strings will be set only when their attribute values were
    // set in the optional argument block.
    option = GetImageOption(info,"background");
    if (option)
    {
        image->background_color = info->background_color;
    }

    option = GetImageOption(info,"bordercolor");
    if (option)
    {
        image->border_color = info->border_color;
    }

    if (info->colorspace != UndefinedColorspace)
    {
        image->colorspace = info->colorspace;
    }

    if (info->compression != UndefinedCompression)
    {
        image->compression = info->compression;
    }

    option = GetImageOption(info, "delay");
    if (option)
    {
        image->delay = strtoul(option, NULL, 0);
    }

    if (info->density)
    {
        flags = ParseGeometry(info->density, &geometry_info);
        image->x_resolution = geometry_info.rho;
        image->y_resolution = geometry_info.sigma;
        if ((flags & SigmaValue) == 0)
        {
            image->y_resolution = image->x_resolution;
        }
    }

    if (info->depth != 0)
    {
        image->depth = info->depth;
    }

    option = GetImageOption(info, "dispose");
    if (option)
    {
        image->dispose = rm_dispose_to_enum(option);
    }

    if (info->extract)
    {
        ParseAbsoluteGeometry(info->extract, &image->extract_info);
    }

    if (info->fuzz != 0.0)
    {
        image->fuzz = info->fuzz;
    }

    option = GetImageOption(info, "gravity");
    if (option)
    {
        image->gravity = rm_gravity_to_enum(option);
    }

    if (info->interlace != NoInterlace)
    {
        image->interlace = info->interlace;
    }

    option = GetImageOption(info,"mattecolor");
    if (option)
    {
        image->matte_color = info->matte_color;
    }

    if (info->orientation != UndefinedOrientation)
    {
        image->orientation = info->orientation;
    }

    if (info->page)
    {
        (void)ParseAbsoluteGeometry(info->page, &image->page);
    }

    if (info->quality != 0UL)
    {
        image->quality = info->quality;
    }

    option = GetImageOption(info, "scene");
    if (option)
    {
        image->scene = info->scene;
    }

    option = GetImageOption(info, "tile-offset");
    if (option)
    {
        (void)ParseAbsoluteGeometry(option, &image->tile_offset);
    }

    option = GetImageOption(info, "transparent");
    if (option)
    {
        image->transparent_color = info->transparent_color;
    }

#if defined(HAVE_ST_TYPE)
    if (info->type != UndefinedType)
    {
        image->type = info->type;
    }
#endif

    if (info->units != UndefinedResolution)
    {
        if (image->units != info->units)
        {
            switch (image->units)
            {
              case PixelsPerInchResolution:
              {
                if (info->units == PixelsPerCentimeterResolution)
                {
                    image->x_resolution /= 2.54;
                    image->y_resolution /= 2.54;
                }
                break;
              }
              case PixelsPerCentimeterResolution:
              {
                if (info->units == PixelsPerInchResolution)
                {
                    image->x_resolution *= 2.54;
                    image->y_resolution *= 2.54;
                }
                break;
              }
              default:
                break;
            }
        }

        image->units = info->units;
    }

#if defined(HAVE_SETIMAGEARTIFACT)
    copy_options(image, info);
#endif
}
コード例 #13
0
void CMiniMap::ConfigCommand(const std::string& line)
{
	const vector<string> words = CSimpleParser::Tokenize(line, 1);
	if (words.empty()) {
		return;
	}
	const string command = StringToLower(words[0]);

	if (command == "fullproxy") {
		if (words.size() >= 2) {
			fullProxy = !!atoi(words[1].c_str());
		} else {
			fullProxy = !fullProxy;
		}
	}
	else if (command == "icons") {
		if (words.size() >= 2) {
			useIcons = !!atoi(words[1].c_str());
		} else {
			useIcons = !useIcons;
		}
	}
	else if (command == "unitexp") {
		if (words.size() >= 2) {
			unitExponent = atof(words[1].c_str());
		}
		UpdateGeometry();
	}
	else if (command == "unitsize") {
		if (words.size() >= 2) {
			unitBaseSize = atof(words[1].c_str());
		}
		unitBaseSize = std::max(0.0f, unitBaseSize);
		UpdateGeometry();
	}
	else if (command == "drawcommands") {
		if (words.size() >= 2) {
			drawCommands = std::max(0, atoi(words[1].c_str()));
		} else {
			drawCommands = (drawCommands > 0) ? 0 : 1;
		}
	}
	else if (command == "drawprojectiles") {
		if (words.size() >= 2) {
			drawProjectiles = !!atoi(words[1].c_str());
		} else {
			drawProjectiles = !drawProjectiles;
		}
	}
	else if (command == "simplecolors") {
		if (words.size() >= 2) {
			simpleColors = !!atoi(words[1].c_str());
		} else {
			simpleColors = !simpleColors;
		}
	}

	// the following commands can not be used in dualscreen mode
	if (gu->dualScreenMode) {
		return;
	}

	if ((command == "geo") || (command == "geometry")) {
		if (words.size() < 2) {
			return;
		}
		ParseGeometry(words[1]);
		UpdateGeometry();
	}
	else if ((command == "min") || (command == "minimize")) {
		if (words.size() >= 2) {
			minimized = !!atoi(words[1].c_str());
		} else {
			minimized = !minimized;
		}
	}
	else if ((command == "max") ||
	         (command == "maximize") || (command == "maxspect")) {
		bool newMax = maximized;
		if (words.size() >= 2) {
			newMax = !!atoi(words[1].c_str());
		} else {
			newMax = !newMax;
		}
		if (newMax != maximized) {
			ToggleMaximized(command == "maxspect");
		}
	}
}
コード例 #14
0
MAGICK_NET_EXPORT MagickStatusType MagickGeometry_Initialize(GeometryInfo *instance, const char *geometry)
{
  return ParseGeometry(geometry, instance);
}
コード例 #15
0
ファイル: pcl.c プロジェクト: ChaseReid/ImageMagick
static MagickBooleanType WritePCLImage(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
  char
    buffer[MaxTextExtent];

  const char
    *option;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  register const Quantum *p;

  register ssize_t i, x;

  register unsigned char *q;

  size_t
    density,
    length,
    one,
    packets;

  ssize_t
    y;

  unsigned char
    bits_per_pixel,
    *compress_pixels,
    *pixels,
    *previous_pixels;

  /*
    Open output image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  density=75;
  if (image_info->density != (char *) NULL)
    {
      GeometryInfo
        geometry;

      (void) ParseGeometry(image_info->density,&geometry);
      density=(size_t) geometry.rho;
    }
  scene=0;
  one=1;
  do
  {
    if (IsRGBColorspace(image->colorspace) == MagickFalse)
      (void) TransformImageColorspace(image,RGBColorspace,exception);
    /*
      Initialize the printer.
    */
    (void) WriteBlobString(image,"\033E");  /* printer reset */
    (void) WriteBlobString(image,"\033*r3F");  /* set presentation mode */
    (void) FormatLocaleString(buffer,MaxTextExtent,"\033*r%.20gs%.20gT",
      (double) image->columns,(double) image->rows);
    (void) WriteBlobString(image,buffer);
    (void) FormatLocaleString(buffer,MaxTextExtent,"\033*t%.20gR",(double)
      density);
    (void) WriteBlobString(image,buffer);
    (void) WriteBlobString(image,"\033&l0E");  /* top margin 0 */
    if (IsImageMonochrome(image,exception) != MagickFalse)
      {
        /*
          Monochrome image: use default printer monochrome setup.
        */
        bits_per_pixel=1;
      }
    else
      if (image->storage_class == DirectClass)
        {
          /*
            DirectClass image.
          */
          bits_per_pixel=24;
          (void) WriteBlobString(image,"\033*v6W"); /* set color mode */
          (void) WriteBlobByte(image,0); /* RGB */
          (void) WriteBlobByte(image,3); /* direct by pixel */
          (void) WriteBlobByte(image,0); /* bits per index (ignored) */
          (void) WriteBlobByte(image,8); /* bits per red component */
          (void) WriteBlobByte(image,8); /* bits per green component */
          (void) WriteBlobByte(image,8); /* bits per blue component */
        }
      else
        {
          /*
            Colormapped image.
          */
          bits_per_pixel=8;
          (void) WriteBlobString(image,"\033*v6W"); /* set color mode... */
          (void) WriteBlobByte(image,0); /* RGB */
          (void) WriteBlobByte(image,1); /* indexed by pixel */
          (void) WriteBlobByte(image,bits_per_pixel); /* bits per index */
          (void) WriteBlobByte(image,8); /* bits per red component */
          (void) WriteBlobByte(image,8); /* bits per green component */
          (void) WriteBlobByte(image,8); /* bits per blue component */
          for (i=0; i < (ssize_t) image->colors; i++)
          {
            (void) FormatLocaleString(buffer,MaxTextExtent,
              "\033*v%da%db%dc%.20gI",
              ScaleQuantumToChar(image->colormap[i].red),
              ScaleQuantumToChar(image->colormap[i].green),
              ScaleQuantumToChar(image->colormap[i].blue),(double) i);
            (void) WriteBlobString(image,buffer);
          }
          for (one=1; i < (ssize_t) (one << bits_per_pixel); i++)
          {
            (void) FormatLocaleString(buffer,MaxTextExtent,"\033*v%.20gI",
              (double) i);
            (void) WriteBlobString(image,buffer);
          }
        }
    option=GetImageOption(image_info,"pcl:fit-to-page");
    if ((option != (const char *) NULL) &&
        (IsMagickTrue(option) != MagickFalse))
      (void) WriteBlobString(image,"\033*r3A");
    else
      (void) WriteBlobString(image,"\033*r1A");  /* start raster graphics */
    (void) WriteBlobString(image,"\033*b0Y");  /* set y offset */
    length=(image->columns*bits_per_pixel+7)/8;
    pixels=(unsigned char *) AcquireQuantumMemory(length+1,sizeof(*pixels));
    if (pixels == (unsigned char *) NULL)
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    (void) ResetMagickMemory(pixels,0,(length+1)*sizeof(*pixels));
    compress_pixels=(unsigned char *) NULL;
    previous_pixels=(unsigned char *) NULL;
    switch (image->compression)
    {
      case NoCompression:
      {
        (void) FormatLocaleString(buffer,MaxTextExtent,"\033*b0M");
        (void) WriteBlobString(image,buffer);
        break;
      }
      case RLECompression:
      {
        compress_pixels=(unsigned char *) AcquireQuantumMemory(length+256,
          sizeof(*compress_pixels));
        if (compress_pixels == (unsigned char *) NULL)
          {
            pixels=(unsigned char *) RelinquishMagickMemory(pixels);
            ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
          }
        (void) ResetMagickMemory(compress_pixels,0,(length+256)*
          sizeof(*compress_pixels));
        (void) FormatLocaleString(buffer,MaxTextExtent,"\033*b2M");
        (void) WriteBlobString(image,buffer);
        break;
      }
      default:
      {
        compress_pixels=(unsigned char *) AcquireQuantumMemory(3*length+256,
          sizeof(*compress_pixels));
        if (compress_pixels == (unsigned char *) NULL)
          {
            pixels=(unsigned char *) RelinquishMagickMemory(pixels);
            ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
          }
        (void) ResetMagickMemory(compress_pixels,0,(3*length+256)*
          sizeof(*compress_pixels));
        previous_pixels=(unsigned char *) AcquireQuantumMemory(length+1,
          sizeof(*previous_pixels));
        if (previous_pixels == (unsigned char *) NULL)
          {
            compress_pixels=(unsigned char *) RelinquishMagickMemory(
              compress_pixels);
            pixels=(unsigned char *) RelinquishMagickMemory(pixels);
            ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
          }
        (void) ResetMagickMemory(previous_pixels,0,(length+1)*
          sizeof(*previous_pixels));
        (void) FormatLocaleString(buffer,MaxTextExtent,"\033*b3M");
        (void) WriteBlobString(image,buffer);
        break;
      }
    }
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      p=GetVirtualPixels(image,0,y,image->columns,1,exception);
      if (p == (const Quantum *) NULL)
        break;
      q=pixels;
      switch (bits_per_pixel)
      {
        case 1:
        {
          register unsigned char
            bit,
            byte;

          /*
            Monochrome image.
          */
          bit=0;
          byte=0;
          for (x=0; x < (ssize_t) image->columns; x++)
          {
            byte<<=1;
            if (GetPixelIntensity(image,p) < ((MagickRealType) QuantumRange/2.0))
              byte|=0x01;
            bit++;
            if (bit == 8)
              {
                *q++=byte;
                bit=0;
                byte=0;
              }
            p+=GetPixelChannels(image);
          }
          if (bit != 0)
            *q++=byte << (8-bit);
          break;
        }
        case 8:
        {
          /*
            Colormapped image.
          */
          for (x=0; x < (ssize_t) image->columns; x++)
          {
            *q++=(unsigned char) GetPixelIndex(image,p);
            p+=GetPixelChannels(image);
          }
          break;
        }
        case 24:
        case 32:
        {
          /*
            Truecolor image.
          */
          for (x=0; x < (ssize_t) image->columns; x++)
          {
            *q++=ScaleQuantumToChar(GetPixelRed(image,p));
            *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
            *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
            p+=GetPixelChannels(image);
          }
          break;
        }
      }
      switch (image->compression)
      {
        case NoCompression:
        {
          (void) FormatLocaleString(buffer,MaxTextExtent,"\033*b%.20gW",
            (double) length);
          (void) WriteBlobString(image,buffer);
          (void) WriteBlob(image,length,pixels);
          break;
        }
        case RLECompression:
        {
          packets=PCLPackbitsCompressImage(length,pixels,compress_pixels);
          (void) FormatLocaleString(buffer,MaxTextExtent,"\033*b%.20gW",
            (double) packets);
          (void) WriteBlobString(image,buffer);
          (void) WriteBlob(image,packets,compress_pixels);
          break;
        }
        default:
        {
          if (y == 0)
            for (i=0; i < (ssize_t) length; i++)
              previous_pixels[i]=(~pixels[i]);
          packets=PCLDeltaCompressImage(length,previous_pixels,pixels,
            compress_pixels);
          (void) FormatLocaleString(buffer,MaxTextExtent,"\033*b%.20gW",
            (double) packets);
          (void) WriteBlobString(image,buffer);
          (void) WriteBlob(image,packets,compress_pixels);
          (void) CopyMagickMemory(previous_pixels,pixels,length*
            sizeof(*pixels));
          break;
        }
      }
    }
    (void) WriteBlobString(image,"\033*rB");  /* end graphics */
    switch (image->compression)
    {
      case NoCompression:
        break;
      case RLECompression:
      {
        compress_pixels=(unsigned char *) RelinquishMagickMemory(
          compress_pixels);
        break;
      }
      default:
      {
        previous_pixels=(unsigned char *) RelinquishMagickMemory(
          previous_pixels);
        compress_pixels=(unsigned char *) RelinquishMagickMemory(
          compress_pixels);
        break;
      }
    }
    pixels=(unsigned char *) RelinquishMagickMemory(pixels);
    if (GetNextImageInList(image) == (Image *) NULL)
      break;
    image=SyncNextImageInList(image);
    status=SetImageProgress(image,SaveImagesTag,scene++,
      GetImageListLength(image));
    if (status == MagickFalse)
      break;
  } while (image_info->adjoin != MagickFalse);
  (void) WriteBlobString(image,"\033E");
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #16
0
ファイル: paint.c プロジェクト: eulerhit/ImageMagick
MagickExport MagickBooleanType GradientImage(Image *image,
  const GradientType type,const SpreadMethod method,const StopInfo *stops,
  const size_t number_stops,ExceptionInfo *exception)
{
  const char
    *artifact;

  DrawInfo
    *draw_info;

  GeometryInfo
    geometry_info;

  GradientInfo
    *gradient;

  MagickBooleanType
    status;

  MagickStatusType
    flags;

  /*
    Set gradient start-stop end points.
  */
  assert(image != (const Image *) NULL);
  assert(image->signature == MagickCoreSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(stops != (const StopInfo *) NULL);
  assert(number_stops > 0);
  draw_info=AcquireDrawInfo();
  gradient=(&draw_info->gradient);
  gradient->type=type;
  gradient->bounding_box.width=image->columns;
  gradient->bounding_box.height=image->rows;
  artifact=GetImageArtifact(image,"gradient:bounding-box");
  if (artifact != (const char *) NULL)
    (void) ParseAbsoluteGeometry(artifact,&gradient->bounding_box);
  gradient->gradient_vector.x2=(double) image->columns-1.0;
  gradient->gradient_vector.y2=(double) image->rows-1.0;
  if ((type == LinearGradient) && (gradient->gradient_vector.y2 != 0.0))
    gradient->gradient_vector.x2=0.0;
  artifact=GetImageArtifact(image,"gradient:vector");
  if (artifact != (const char *) NULL)
    {
      flags=ParseGeometry(artifact,&geometry_info);
      gradient->gradient_vector.x1=geometry_info.rho;
      if ((flags & SigmaValue) != 0)
        gradient->gradient_vector.y1=geometry_info.sigma;
      if ((flags & XiValue) != 0)
        gradient->gradient_vector.x2=geometry_info.xi;
      if ((flags & PsiValue) != 0)
        gradient->gradient_vector.y2=geometry_info.psi;
    }
  gradient->center.x=(double) gradient->gradient_vector.x2/2.0;
  gradient->center.y=(double) gradient->gradient_vector.y2/2.0;
  artifact=GetImageArtifact(image,"gradient:center");
  if (artifact != (const char *) NULL)
    {
      flags=ParseGeometry(artifact,&geometry_info);
      gradient->center.x=geometry_info.rho;
      if ((flags & SigmaValue) != 0)
        gradient->center.y=geometry_info.sigma;
    }
  gradient->radius=MagickMax(gradient->center.x,gradient->center.y);
  artifact=GetImageArtifact(image,"gradient:radius");
  if (artifact != (const char *) NULL)
    gradient->radius=StringToDouble(artifact,(char **) NULL);
  gradient->spread=method;
  /*
    Define the gradient to fill between the stops.
  */
  gradient->number_stops=number_stops;
  gradient->stops=(StopInfo *) AcquireQuantumMemory(gradient->number_stops,
    sizeof(*gradient->stops));
  if (gradient->stops == (StopInfo *) NULL)
    ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
      image->filename);
  (void) CopyMagickMemory(gradient->stops,stops,(size_t) number_stops*
    sizeof(*stops));
  /*
    Draw a gradient on the image.
  */
  status=DrawGradientImage(image,draw_info,exception);
  draw_info=DestroyDrawInfo(draw_info);
  return(status);
}
コード例 #17
0
ファイル: montage.c プロジェクト: vgck/opendr2
Export Image *MontageImages(const Image *images,const MontageInfo *montage_info)
{
#define MontageImageText  "  Creating visual image directory...  "
#define TileImageText  "  Creating image tiles...  "

  AnnotateInfo
    *annotate_info;

  char
    geometry[MaxTextExtent];

  FrameInfo
    frame_info;

  Image
    *image,
    **image_list,
    **master_list,
    *montage_image,
    *texture,
    *tiled_image;

  ImageInfo
    *local_info;

  int
    x,
    x_offset,
    y,
    y_offset;

  MonitorHandler
    handler;

  register int
    i;

  register PixelPacket
    *q;

  RectangleInfo
    bounding_box,
    tile_info;

  unsigned int
    border_width,
    bevel_width,
    concatenate,
    count,
    font_height,
    height,
    images_per_page,
    max_height,
    number_images,
    number_lines,
    tile,
    tiles,
    tiles_per_column,
    tiles_per_row,
    tiles_per_page,
    title_offset,
    total_tiles,
    width;

  assert(images != (Image *) NULL);
  assert(montage_info != (MontageInfo *) NULL);
  /*
    Convert image list to an image group.
  */
  image_list=ListToGroupImage(images,&number_images);
  if (image_list == (Image **) NULL)
    {
      MagickWarning(ResourceLimitWarning,"Unable to montage image_list",
        "Memory allocation failed");
      return((Image *) NULL);
    }
  master_list=image_list;
  /*
    Create image tiles.
  */
  for (tile=0; tile < number_images; tile++)
  {
    handler=SetMonitorHandler((MonitorHandler) NULL);
    width=image_list[tile]->columns;
    height=image_list[tile]->rows;
    x=0;
    y=0;
    (void) ParseImageGeometry(montage_info->geometry,&x,&y,&width,&height);
    image_list[tile]->orphan=True;
    tiled_image=ZoomImage(image_list[tile],width,height);
    if (tiled_image == (Image *) NULL)
      {
        for (i=0; i < (int) tile; i++)
          DestroyImage(image_list[i]);
        (void) SetMonitorHandler(handler);
        return((Image *) NULL);
      }
    image_list[tile]=tiled_image;
    (void) SetMonitorHandler(handler);
    ProgressMonitor(TileImageText,tile,number_images);
  }
  /*
    Sort image_list by increasing tile number.
  */
  for (tile=0; tile < number_images; tile++)
    if (image_list[tile]->scene == 0)
      break;
  if (tile == number_images)
    qsort((void *) image_list,number_images,sizeof(Image *),
      (int (*)(const void *, const void *)) SceneCompare);
  /*
    Determine tiles per row and column.
  */
  tiles_per_row=1;
  tiles_per_column=1;
  while ((tiles_per_row*tiles_per_column) < number_images)
  {
    tiles_per_row++;
    tiles_per_column++;
  }
  if (montage_info->tile != (char *) NULL)
    {
      tiles_per_column=number_images;
      x=0;
      y=0;
      (void) ParseGeometry(montage_info->tile,&x,&y,&tiles_per_row,
        &tiles_per_column);
    }
  /*
    Determine tile sizes.
  */
  border_width=montage_info->border_width;
  bevel_width=0;
  if (montage_info->frame != (char *) NULL)
    {
      int
        flags;

      frame_info.width=0;
      frame_info.height=0;
      frame_info.outer_bevel=0;
      frame_info.inner_bevel=0;
      flags=ParseGeometry(montage_info->frame,&frame_info.outer_bevel,
        &frame_info.inner_bevel,&frame_info.width,&frame_info.height);
      if ((flags & HeightValue) == 0)
        frame_info.height=frame_info.width;
      if ((flags & XValue) == 0)
        frame_info.outer_bevel=(frame_info.width >> 2)+1;
      if ((flags & YValue) == 0)
        frame_info.inner_bevel=frame_info.outer_bevel;
      frame_info.x=frame_info.width;
      frame_info.y=frame_info.height;
      bevel_width=Max(frame_info.inner_bevel,frame_info.outer_bevel);
      border_width=Max(frame_info.width,frame_info.height);
    }
コード例 #18
0
ファイル: mpc.c プロジェクト: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d C A C H E I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadMPCImage() reads an Magick Persistent Cache image file and returns
%  it.  It allocates the memory necessary for the new Image structure and
%  returns a pointer to the new image.
%
%  The format of the ReadMPCImage method is:
%
%      Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  Decompression code contributed by Kyle Shorter.
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  char
    cache_filename[MaxTextExtent],
    id[MaxTextExtent],
    keyword[MaxTextExtent],
    *options;

  const unsigned char
    *p;

  GeometryInfo
    geometry_info;

  Image
    *image;

  int
    c;

  LinkedListInfo
    *profiles;

  MagickBooleanType
    status;

  MagickOffsetType
    offset;

  MagickStatusType
    flags;

  register long
    i;

  size_t
    length;

  ssize_t
    count;

  StringInfo
    *profile;

  unsigned long
    depth,
    quantum_depth;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  image=AcquireImage(image_info);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  (void) CopyMagickString(cache_filename,image->filename,MaxTextExtent);
  AppendImageFormat("cache",cache_filename);
  c=ReadBlobByte(image);
  if (c == EOF)
    {
      image=DestroyImage(image);
      return((Image *) NULL);
    }
  *id='\0';
  (void) ResetMagickMemory(keyword,0,sizeof(keyword));
  offset=0;
  do
  {
    /*
      Decode image header;  header terminates one character beyond a ':'.
    */
    profiles=(LinkedListInfo *) NULL;
    length=MaxTextExtent;
    options=AcquireString((char *) NULL);
    quantum_depth=MAGICKCORE_QUANTUM_DEPTH;
    image->depth=8;
    image->compression=NoCompression;
    while ((isgraph(c) != MagickFalse) && (c != (int) ':'))
    {
      register char
        *p;

      if (c == (int) '{')
        {
          char
            *comment;

          /*
            Read comment-- any text between { }.
          */
          length=MaxTextExtent;
          comment=AcquireString((char *) NULL);
          for (p=comment; comment != (char *) NULL; p++)
          {
            c=ReadBlobByte(image);
            if ((c == EOF) || (c == (int) '}'))
              break;
            if ((size_t) (p-comment+1) >= length)
              {
                *p='\0';
                length<<=1;
                comment=(char *) ResizeQuantumMemory(comment,length+
                  MaxTextExtent,sizeof(*comment));
                if (comment == (char *) NULL)
                  break;
                p=comment+strlen(comment);
              }
            *p=(char) c;
          }
          if (comment == (char *) NULL)
            ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
          *p='\0';
          (void) SetImageProperty(image,"comment",comment);
          comment=DestroyString(comment);
          c=ReadBlobByte(image);
        }
      else
        if (isalnum(c) != MagickFalse)
          {
            /*
              Get the keyword.
            */
            p=keyword;
            do
            {
              if (isspace((int) ((unsigned char) c)) != 0)
                break;
              if (c == (int) '=')
                break;
              if ((size_t) (p-keyword) < (MaxTextExtent-1))
                *p++=(char) c;
              c=ReadBlobByte(image);
            } while (c != EOF);
            *p='\0';
            p=options;
            while (isspace((int) ((unsigned char) c)) != 0)
              c=ReadBlobByte(image);
            if (c == (int) '=')
              {
                /*
                  Get the keyword value.
                */
                c=ReadBlobByte(image);
                while ((c != (int) '}') && (c != EOF))
                {
                  if ((size_t) (p-options+1) >= length)
                    {
                      *p='\0';
                      length<<=1;
                      options=(char *) ResizeQuantumMemory(options,length+
                        MaxTextExtent,sizeof(*options));
                      if (options == (char *) NULL)
                        break;
                      p=options+strlen(options);
                    }
                  if (options == (char *) NULL)
                    ThrowReaderException(ResourceLimitError,
                      "MemoryAllocationFailed");
                  *p++=(char) c;
                  c=ReadBlobByte(image);
                  if (*options != '{')
                    if (isspace((int) ((unsigned char) c)) != 0)
                      break;
                }
              }
            *p='\0';
            if (*options == '{')
              (void) CopyMagickString(options,options+1,MaxTextExtent);
            /*
              Assign a value to the specified keyword.
            */
            switch (*keyword)
            {
              case 'b':
              case 'B':
              {
                if (LocaleCompare(keyword,"background-color") == 0)
                  {
                    (void) QueryColorDatabase(options,&image->background_color,
                      exception);
                    break;
                  }
                if (LocaleCompare(keyword,"blue-primary") == 0)
                  {
                    flags=ParseGeometry(options,&geometry_info);
                    image->chromaticity.blue_primary.x=geometry_info.rho;
                    image->chromaticity.blue_primary.y=geometry_info.sigma;
                    if ((flags & SigmaValue) == 0)
                      image->chromaticity.blue_primary.y=
                        image->chromaticity.blue_primary.x;
                    break;
                  }
                if (LocaleCompare(keyword,"border-color") == 0)
                  {
                    (void) QueryColorDatabase(options,&image->border_color,
                      exception);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'c':
              case 'C':
              {
                if (LocaleCompare(keyword,"class") == 0)
                  {
                    long
                      storage_class;

                    storage_class=ParseMagickOption(MagickClassOptions,
                      MagickFalse,options);
                    if (storage_class < 0)
                      break;
                    image->storage_class=(ClassType) storage_class;
                    break;
                  }
                if (LocaleCompare(keyword,"colors") == 0)
                  {
                    image->colors=StringToUnsignedLong(options);
                    break;
                  }
                if (LocaleCompare(keyword,"colorspace") == 0)
                  {
                    long
                      colorspace;

                    colorspace=ParseMagickOption(MagickColorspaceOptions,
                      MagickFalse,options);
                    if (colorspace < 0)
                      break;
                    image->colorspace=(ColorspaceType) colorspace;
                    break;
                  }
                if (LocaleCompare(keyword,"compression") == 0)
                  {
                    long
                      compression;

                    compression=ParseMagickOption(MagickCompressOptions,
                      MagickFalse,options);
                    if (compression < 0)
                      break;
                    image->compression=(CompressionType) compression;
                    break;
                  }
                if (LocaleCompare(keyword,"columns") == 0)
                  {
                    image->columns=StringToUnsignedLong(options);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'd':
              case 'D':
              {
                if (LocaleCompare(keyword,"delay") == 0)
                  {
                    image->delay=StringToUnsignedLong(options);
                    break;
                  }
                if (LocaleCompare(keyword,"depth") == 0)
                  {
                    image->depth=StringToUnsignedLong(options);
                    break;
                  }
                if (LocaleCompare(keyword,"dispose") == 0)
                  {
                    long
                      dispose;

                    dispose=ParseMagickOption(MagickDisposeOptions,MagickFalse,
                      options);
                    if (dispose < 0)
                      break;
                    image->dispose=(DisposeType) dispose;
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'e':
              case 'E':
              {
                if (LocaleCompare(keyword,"endian") == 0)
                  {
                    long
                      endian;

                    endian=ParseMagickOption(MagickEndianOptions,MagickFalse,
                      options);
                    if (endian < 0)
                      break;
                    image->endian=(EndianType) endian;
                    break;
                  }
                if (LocaleCompare(keyword,"error") == 0)
                  {
                    image->error.mean_error_per_pixel=StringToDouble(options);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'g':
              case 'G':
              {
                if (LocaleCompare(keyword,"gamma") == 0)
                  {
                    image->gamma=StringToDouble(options);
                    break;
                  }
                if (LocaleCompare(keyword,"green-primary") == 0)
                  {
                    flags=ParseGeometry(options,&geometry_info);
                    image->chromaticity.green_primary.x=geometry_info.rho;
                    image->chromaticity.green_primary.y=geometry_info.sigma;
                    if ((flags & SigmaValue) == 0)
                      image->chromaticity.green_primary.y=
                        image->chromaticity.green_primary.x;
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'i':
              case 'I':
              {
                if (LocaleCompare(keyword,"id") == 0)
                  {
                    (void) CopyMagickString(id,options,MaxTextExtent);
                    break;
                  }
                if (LocaleCompare(keyword,"iterations") == 0)
                  {
                    image->iterations=StringToUnsignedLong(options);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'm':
              case 'M':
              {
                if (LocaleCompare(keyword,"matte") == 0)
                  {
                    long
                      matte;

                    matte=ParseMagickOption(MagickBooleanOptions,MagickFalse,
                      options);
                    if (matte < 0)
                      break;
                    image->matte=(MagickBooleanType) matte;
                    break;
                  }
                if (LocaleCompare(keyword,"matte-color") == 0)
                  {
                    (void) QueryColorDatabase(options,&image->matte_color,
                      exception);
                    break;
                  }
                if (LocaleCompare(keyword,"maximum-error") == 0)
                  {
                    image->error.normalized_maximum_error=StringToDouble(options);
                    break;
                  }
                if (LocaleCompare(keyword,"mean-error") == 0)
                  {
                    image->error.normalized_mean_error=StringToDouble(options);
                    break;
                  }
                if (LocaleCompare(keyword,"montage") == 0)
                  {
                    (void) CloneString(&image->montage,options);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'o':
              case 'O':
              {
                if (LocaleCompare(keyword,"opaque") == 0)
                  {
                    long
                      matte;

                    matte=ParseMagickOption(MagickBooleanOptions,MagickFalse,
                      options);
                    if (matte < 0)
                      break;
                    image->matte=(MagickBooleanType) matte;
                    break;
                  }
                if (LocaleCompare(keyword,"orientation") == 0)
                  {
                    long
                      orientation;

                    orientation=ParseMagickOption(MagickOrientationOptions,
                      MagickFalse,options);
                    if (orientation < 0)
                      break;
                    image->orientation=(OrientationType) orientation;
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'p':
              case 'P':
              {
                if (LocaleCompare(keyword,"page") == 0)
                  {
                    char
                      *geometry;

                    geometry=GetPageGeometry(options);
                    (void) ParseAbsoluteGeometry(geometry,&image->page);
                    geometry=DestroyString(geometry);
                    break;
                  }
                if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
                    (LocaleNCompare(keyword,"profile-",8) == 0))
                  {
                    if (profiles == (LinkedListInfo *) NULL)
                      profiles=NewLinkedList(0);
                    (void) AppendValueToLinkedList(profiles,
                      AcquireString(keyword+8));
                    profile=AcquireStringInfo((size_t) StringToLong(options));
                    (void) SetImageProfile(image,keyword+8,profile);
                    profile=DestroyStringInfo(profile);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'q':
              case 'Q':
              {
                if (LocaleCompare(keyword,"quality") == 0)
                  {
                    image->quality=StringToUnsignedLong(options);
                    break;
                  }
                if (LocaleCompare(keyword,"quantum-depth") == 0)
                  {
                    quantum_depth=StringToUnsignedLong(options);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'r':
              case 'R':
              {
                if (LocaleCompare(keyword,"red-primary") == 0)
                  {
                    flags=ParseGeometry(options,&geometry_info);
                    image->chromaticity.red_primary.x=geometry_info.rho;
                    if ((flags & SigmaValue) != 0)
                      image->chromaticity.red_primary.y=geometry_info.sigma;
                    break;
                  }
                if (LocaleCompare(keyword,"rendering-intent") == 0)
                  {
                    long
                      rendering_intent;

                    rendering_intent=ParseMagickOption(MagickIntentOptions,
                      MagickFalse,options);
                    if (rendering_intent < 0)
                      break;
                    image->rendering_intent=(RenderingIntent) rendering_intent;
                    break;
                  }
                if (LocaleCompare(keyword,"resolution") == 0)
                  {
                    flags=ParseGeometry(options,&geometry_info);
                    image->x_resolution=geometry_info.rho;
                    image->y_resolution=geometry_info.sigma;
                    if ((flags & SigmaValue) == 0)
                      image->y_resolution=image->x_resolution;
                    break;
                  }
                if (LocaleCompare(keyword,"rows") == 0)
                  {
                    image->rows=StringToUnsignedLong(options);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 's':
              case 'S':
              {
                if (LocaleCompare(keyword,"scene") == 0)
                  {
                    image->scene=StringToUnsignedLong(options);
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 't':
              case 'T':
              {
                if (LocaleCompare(keyword,"ticks-per-second") == 0)
                  {
                    image->ticks_per_second=(long) StringToLong(options);
                    break;
                  }
                if (LocaleCompare(keyword,"tile-offset") == 0)
                  {
                    char
                      *geometry;

                    geometry=GetPageGeometry(options);
                    (void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
                    geometry=DestroyString(geometry);
                  }
                if (LocaleCompare(keyword,"type") == 0)
                  {
                    long
                      type;

                    type=ParseMagickOption(MagickTypeOptions,MagickFalse,
                      options);
                    if (type < 0)
                      break;
                    image->type=(ImageType) type;
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'u':
              case 'U':
              {
                if (LocaleCompare(keyword,"units") == 0)
                  {
                    long
                      units;

                    units=ParseMagickOption(MagickResolutionOptions,MagickFalse,
                      options);
                    if (units < 0)
                      break;
                    image->units=(ResolutionType) units;
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              case 'w':
              case 'W':
              {
                if (LocaleCompare(keyword,"white-point") == 0)
                  {
                    flags=ParseGeometry(options,&geometry_info);
                    image->chromaticity.white_point.x=geometry_info.rho;
                    image->chromaticity.white_point.y=geometry_info.sigma;
                    if ((flags & SigmaValue) == 0)
                      image->chromaticity.white_point.y=
                        image->chromaticity.white_point.x;
                    break;
                  }
                (void) SetImageProperty(image,keyword,options);
                break;
              }
              default:
              {
                (void) SetImageProperty(image,keyword,options);
                break;
              }
            }
          }
        else
          c=ReadBlobByte(image);
      while (isspace((int) ((unsigned char) c)) != 0)
        c=ReadBlobByte(image);
    }
    options=DestroyString(options);
    (void) ReadBlobByte(image);
    /*
      Verify that required image information is defined.
    */
    if ((LocaleCompare(id,"MagickCache") != 0) ||
        (image->storage_class == UndefinedClass) ||
        (image->compression == UndefinedCompression) || (image->columns == 0) ||
        (image->rows == 0))
      ThrowReaderException(CorruptImageError,"ImproperImageHeader");
    if (quantum_depth != MAGICKCORE_QUANTUM_DEPTH)
      ThrowReaderException(CacheError,"InconsistentPersistentCacheDepth");
    if (image->montage != (char *) NULL)
      {
        register char
          *p;

        /*
          Image directory.
        */
        length=MaxTextExtent;
        image->directory=AcquireString((char *) NULL);
        p=image->directory;
        do
        {
          *p='\0';
          if ((strlen(image->directory)+MaxTextExtent) >= length)
            {
              /*
                Allocate more memory for the image directory.
              */
              length<<=1;
              image->directory=(char *) ResizeQuantumMemory(image->directory,
                length+MaxTextExtent,sizeof(*image->directory));
              if (image->directory == (char *) NULL)
                ThrowReaderException(CorruptImageError,"UnableToReadImageData");
              p=image->directory+strlen(image->directory);
            }
          c=ReadBlobByte(image);
          *p++=(char) c;
        } while (c != (int) '\0');
      }
    if (profiles != (LinkedListInfo *) NULL)
      {
        const char
          *name;

        const StringInfo
          *profile;

        register unsigned char
          *p;

        /*
          Read image profiles.
        */
        ResetLinkedListIterator(profiles);
        name=(const char *) GetNextValueInLinkedList(profiles);
        while (name != (const char *) NULL)
        {
          profile=GetImageProfile(image,name);
          if (profile != (StringInfo *) NULL)
            {
              p=GetStringInfoDatum(profile);
              count=ReadBlob(image,GetStringInfoLength(profile),p);
            }
          name=(const char *) GetNextValueInLinkedList(profiles);
        }
        profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
      }
    depth=GetImageQuantumDepth(image,MagickFalse);
    if (image->storage_class == PseudoClass)
      {
        /*
          Create image colormap.
        */
        if (AcquireImageColormap(image,image->colors) == MagickFalse)
          ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
        if (image->colors != 0)
          {
            size_t
              packet_size;

            unsigned char
              *colormap;

            /*
              Read image colormap from file.
            */
            packet_size=(size_t) (3UL*depth/8UL);
            colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
              packet_size*sizeof(*colormap));
            if (colormap == (unsigned char *) NULL)
              ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
            count=ReadBlob(image,packet_size*image->colors,colormap);
            if (count != (ssize_t) (packet_size*image->colors))
              ThrowReaderException(CorruptImageError,
                "InsufficientImageDataInFile");
            p=colormap;
            switch (depth)
            {
              default:
                ThrowReaderException(CorruptImageError,
                  "ImageDepthNotSupported");
              case 8:
              {
                unsigned char
                  pixel;

                for (i=0; i < (long) image->colors; i++)
                {
                  p=PushCharPixel(p,&pixel);
                  image->colormap[i].red=ScaleCharToQuantum(pixel);
                  p=PushCharPixel(p,&pixel);
                  image->colormap[i].green=ScaleCharToQuantum(pixel);
                  p=PushCharPixel(p,&pixel);
                  image->colormap[i].blue=ScaleCharToQuantum(pixel);
                }
                break;
              }
              case 16:
              {
                unsigned short
                  pixel;

                for (i=0; i < (long) image->colors; i++)
                {
                  p=PushShortPixel(MSBEndian,p,&pixel);
                  image->colormap[i].red=ScaleShortToQuantum(pixel);
                  p=PushShortPixel(MSBEndian,p,&pixel);
                  image->colormap[i].green=ScaleShortToQuantum(pixel);
                  p=PushShortPixel(MSBEndian,p,&pixel);
                  image->colormap[i].blue=ScaleShortToQuantum(pixel);
                }
                break;
              }
              case 32:
              {
                unsigned long
                  pixel;

                for (i=0; i < (long) image->colors; i++)
                {
                  p=PushLongPixel(MSBEndian,p,&pixel);
                  image->colormap[i].red=ScaleLongToQuantum(pixel);
                  p=PushLongPixel(MSBEndian,p,&pixel);
                  image->colormap[i].green=ScaleLongToQuantum(pixel);
                  p=PushLongPixel(MSBEndian,p,&pixel);
                  image->colormap[i].blue=ScaleLongToQuantum(pixel);
                }
                break;
              }
            }
            colormap=(unsigned char *) RelinquishMagickMemory(colormap);
          }
      }
    if (EOFBlob(image) != MagickFalse)
      {
        ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
          image->filename);
        break;
      }
    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    /*
      Attach persistent pixel cache.
    */
    status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
    if (status == MagickFalse)
      ThrowReaderException(CacheError,"UnableToPersistPixelCache");
    /*
      Proceed to next image.
    */
    do
    {
      c=ReadBlobByte(image);
    } while ((isgraph(c) == MagickFalse) && (c != EOF));
    if (c != EOF)
      {
        /*
          Allocate next image structure.
        */
        AcquireNextImage(image_info,image);
        if (GetNextImageInList(image) == (Image *) NULL)
          {
            image=DestroyImageList(image);
            return((Image *) NULL);
          }
        image=SyncNextImageInList(image);
        status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
          GetBlobSize(image));
        if (status == MagickFalse)
          break;
      }
  } while (c != EOF);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}
コード例 #19
0
ngx_int_t ngx_http_small_light_imagemagick_process(ngx_http_request_t *r, ngx_http_small_light_ctx_t *ctx)
{
    ngx_http_small_light_imagemagick_ctx_t *ictx;
    ngx_http_small_light_image_size_t       sz;
    MagickBooleanType                       status;
    int                                     rmprof_flg, progressive_flg, cmyk2rgb_flg;
    double                                  iw, ih, q;
    char                                   *unsharp, *sharpen, *blur, *of, *of_orig;
    MagickWand                             *trans_wand, *canvas_wand;
    DrawingWand                            *border_wand;
    PixelWand                              *bg_color, *canvas_color, *border_color;
    GeometryInfo                            geo;
    ngx_fd_t                                fd;
    MagickWand                             *icon_wand;
    u_char                                 *p, *embedicon;
    size_t                                  embedicon_path_len, embedicon_len, sled_image_size;
    ngx_int_t                               type;
    u_char                                  jpeg_size_opt[32], crop_geo[128], size_geo[128], embedicon_path[256];
    ColorspaceType                          color_space;
#if MagickLibVersion >= 0x690
    int                                     autoorient_flg;
#endif

    status = MagickFalse;

    ictx = (ngx_http_small_light_imagemagick_ctx_t *)ctx->ictx;

    /* adjust image size */
    ngx_http_small_light_calc_image_size(r, ctx, &sz, 10000.0, 10000.0);

    /* prepare */
    if (sz.jpeghint_flg != 0) {
        p = ngx_snprintf((u_char *)jpeg_size_opt, sizeof(jpeg_size_opt) - 1, "%dx%d", (ngx_int_t)sz.dw, (ngx_int_t)sz.dh);
        *p = '\0';
        ngx_log_error(NGX_LOG_DEBUG, r->connection->log, 0, "jpeg_size_opt:%s", jpeg_size_opt);
        MagickSetOption(ictx->wand, "jpeg:size", (char *)jpeg_size_opt);
    }

    /* load image. */
    status = MagickReadImageBlob(ictx->wand, (void *)ictx->image, ictx->image_len);
    if (status == MagickFalse) {
        ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                      "couldn't read image %s:%d",
                      __FUNCTION__,
                      __LINE__);
        return NGX_ERROR;
    }

    MagickSetFirstIterator(ictx->wand);

    color_space = MagickGetImageColorspace(ictx->wand);

    /* remove all profiles */
    rmprof_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "rmprof"));
    if (rmprof_flg != 0) {
        status = MagickProfileImage(ictx->wand, "*", NULL, 0);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "couldn't profiling image %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    of_orig = MagickGetImageFormat(ictx->wand);
    status = MagickTrue;

#if MagickLibVersion >= 0x690
    /* auto-orient */
    autoorient_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "autoorient"));
    if (autoorient_flg != 0) {
        status = MagickAutoOrientImage(ictx->wand);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyString(of_orig);
            return NGX_ERROR;
        }
    }
#endif

    /* rotate. */
    if (sz.angle) {
        bg_color = NewPixelWand();
        PixelSetRed(bg_color,   sz.cc.r / 255.0);
        PixelSetGreen(bg_color, sz.cc.g / 255.0);
        PixelSetBlue(bg_color,  sz.cc.b / 255.0);
        PixelSetAlpha(bg_color, sz.cc.a / 255.0);

        switch (sz.angle) {
        case 90:
        case 180:
        case 270:
            MagickRotateImage(ictx->wand, bg_color, sz.angle);
            break;
        default:
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "image not rotated. 'angle'(%ui) must be 90 or 180 or 270. %s:%d",
                          sz.angle,
                          __FUNCTION__,
                          __LINE__);
            break;
        }

        DestroyPixelWand(bg_color);
    }

    /* calc size. */
    iw = (double)MagickGetImageWidth(ictx->wand);
    ih = (double)MagickGetImageHeight(ictx->wand);
    ngx_http_small_light_calc_image_size(r, ctx, &sz, iw, ih);

    /* pass through. */
    if (sz.pt_flg != 0) {
        ctx->of = ctx->inf;
        DestroyString(of_orig);
        return NGX_OK;
    }

    /* crop, scale. */
    if (sz.scale_flg != 0) {
        p = ngx_snprintf(crop_geo, sizeof(crop_geo) - 1, "%f!x%f!+%f+%f", sz.sw, sz.sh, sz.sx, sz.sy);
        *p = '\0';
        p = ngx_snprintf(size_geo, sizeof(size_geo) - 1, "%f!x%f!",       sz.dw, sz.dh);
        *p = '\0';
        ngx_log_error(NGX_LOG_DEBUG, r->connection->log, 0, "crop_geo:%s", crop_geo);
        ngx_log_error(NGX_LOG_DEBUG, r->connection->log, 0, "size_geo:%s", size_geo);
        MagickResetImagePage(ictx->wand, "+0+0");
        trans_wand = MagickTransformImage(ictx->wand, (char *)crop_geo, (char *)size_geo);
        if (trans_wand == NULL || trans_wand == ictx->wand) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyString(of_orig);
            return NGX_ERROR;
        }
        DestroyMagickWand(ictx->wand);
        ictx->wand = trans_wand;
    }

    /* create canvas then draw image to the canvas. */
    if (sz.cw > 0.0 && sz.ch > 0.0) {
        canvas_wand  = NewMagickWand();
        canvas_color = NewPixelWand();
        PixelSetRed(canvas_color,   sz.cc.r / 255.0);
        PixelSetGreen(canvas_color, sz.cc.g / 255.0);
        PixelSetBlue(canvas_color,  sz.cc.b / 255.0);
        PixelSetAlpha(canvas_color, sz.cc.a / 255.0);
        status = MagickNewImage(canvas_wand, sz.cw, sz.ch, canvas_color);
        DestroyPixelWand(canvas_color);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyMagickWand(canvas_wand);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        status = MagickTransformImageColorspace(canvas_wand, color_space);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyMagickWand(canvas_wand);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        status = MagickCompositeImage(canvas_wand, ictx->wand, AtopCompositeOp, sz.dx, sz.dy);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyMagickWand(canvas_wand);
            DestroyString(of_orig);
            return NGX_ERROR;
        }
        DestroyMagickWand(ictx->wand);
        ictx->wand = canvas_wand;
    }

    /* CMYK to sRGB */
    cmyk2rgb_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "cmyk2rgb"));
    if (cmyk2rgb_flg != 0 && color_space == CMYKColorspace) {
        status = MagickTransformImageColorspace(ictx->wand, sRGBColorspace);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyString(of_orig);
            return NGX_ERROR;
        }
    }

    /* effects. */
    unsharp = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "unsharp");
    if (ngx_strlen(unsharp) > 0) {
        ParseGeometry(unsharp, &geo);
        if (geo.rho > ctx->radius_max || geo.sigma > ctx->sigma_max) {
            ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                          "As unsharp geometry is too large, ignored. %s:%d",
                          __FUNCTION__,
                          __LINE__);
        } else {
            status = MagickUnsharpMaskImage(ictx->wand, geo.rho, geo.sigma, geo.xi, geo.psi);
            if (status == MagickFalse) {
                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                              "unsharp failed %s:%d",
                              __FUNCTION__,
                              __LINE__);
            }
        }
    }

    sharpen = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "sharpen");
    if (ngx_strlen(sharpen) > 0) {
        ParseGeometry(sharpen, &geo);
        if (geo.rho > ctx->radius_max || geo.sigma > ctx->sigma_max) {
            ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                          "As sharpen geometry is too large, ignored. %s:%d",
                          __FUNCTION__,
                          __LINE__);
        } else {
            status = MagickSharpenImage(ictx->wand, geo.rho, geo.sigma);
            if (status == MagickFalse) {
                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                              "sharpen failed %s:%d",
                              __FUNCTION__,
                              __LINE__);
            }
        }
    }

    blur = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "blur");
    if (ngx_strlen(blur) > 0) {
        ParseGeometry(blur, &geo);
        if (geo.rho > ctx->radius_max || geo.sigma > ctx->sigma_max) {
            ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                          "As blur geometry is too large, ignored. %s:%d",
                          __FUNCTION__,
                          __LINE__);
        } else {
            status = MagickBlurImage(ictx->wand, geo.rho, geo.sigma);
            if (status == MagickFalse) {
                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                              "blur failed %s:%d",
                              __FUNCTION__,
                              __LINE__);
            }
        }
    }

    /* border. */
    if (sz.bw > 0.0 || sz.bh > 0.0) {
        border_wand = NewDrawingWand();
        border_color = NewPixelWand();
        PixelSetRed(border_color,   sz.bc.r / 255.0);
        PixelSetGreen(border_color, sz.bc.g / 255.0);
        PixelSetBlue(border_color,  sz.bc.b / 255.0);
        PixelSetAlpha(border_color, sz.bc.a / 255.0);
        DrawSetFillColor(border_wand, border_color);
        DrawSetStrokeColor(border_wand, border_color);
        DrawSetStrokeWidth(border_wand, 1);

        if (sz.cw > 0.0 && sz.ch > 0.0) {
            DrawRectangle(border_wand, 0, 0, sz.cw - 1, sz.bh - 1);
            DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.ch - 1);
            DrawRectangle(border_wand, 0, sz.ch - sz.bh, sz.cw - 1, sz.ch - 1);
            DrawRectangle(border_wand, sz.cw - sz.bw, 0, sz.cw - 1, sz.ch - 1);
        } else {
            DrawRectangle(border_wand, 0, 0, sz.dw - 1, sz.bh - 1);
            DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.dh - 1);
            DrawRectangle(border_wand, 0, sz.dh - sz.bh, sz.dw - 1, sz.dh - 1);
            DrawRectangle(border_wand, sz.dw - sz.bw, 0, sz.dw - 1, sz.dh - 1);
        }
        MagickDrawImage(ictx->wand, border_wand);
        DestroyPixelWand(border_color);
        DestroyDrawingWand(border_wand);
    }

    /* embed icon */
    embedicon = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "embedicon");
    if (ctx->material_dir->len > 0 && ngx_strlen(embedicon) > 0) {
        if (ngx_strstrn((u_char *)embedicon, "/", 1 - 1)) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "invalid parameter 'embedicon':%s %s:%d",
                          embedicon,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        embedicon_len      = ngx_strlen(embedicon);
        embedicon_path_len = ctx->material_dir->len + ngx_strlen("/") + embedicon_len;
        if (embedicon_path_len > sizeof(embedicon_path) - 1) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "embedicon path is too long. maximun value is %z %s:%d",
                          sizeof(embedicon_path) - 1,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        p = embedicon_path;
        p = ngx_cpystrn(p, ctx->material_dir->data, ctx->material_dir->len + 1);
        p = ngx_cpystrn(p, (u_char *)"/", 1 + 1);
        p = ngx_cpystrn(p, embedicon, embedicon_len + 1);

        if ((fd = ngx_open_file(embedicon_path, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0)) == NGX_INVALID_FILE) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to open embeddedicon file:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        if (ngx_close_file(fd) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to close:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        if (ngx_strstrn(embedicon_path, "..", 2 - 1)) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "invalid embeddedicon_path:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        icon_wand = NewMagickWand();
        if (MagickReadImage(icon_wand, (char *)embedicon_path) == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to read embed icon image file:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            DestroyMagickWand(icon_wand);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        MagickCompositeImageChannel(ictx->wand, AllChannels, icon_wand, OverCompositeOp, sz.ix, sz.iy);
        DestroyMagickWand(icon_wand);
    }

    /* set params. */
    q = ngx_http_small_light_parse_double(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "q"));
    if (q > 0.0) {
        MagickSetImageCompressionQuality(ictx->wand, q);
    }

    progressive_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "progressive"));
    if (progressive_flg != 0) {
        MagickSetInterlaceScheme(ictx->wand, LineInterlace);
    }

    of = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "of");
    if (ngx_strlen(of) > 0) {
        type = ngx_http_small_light_type(of);
        if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_NONE) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "of is invalid(%s) %s:%d",
                          of,
                          __FUNCTION__,
                          __LINE__);
            of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
        } else if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_WEBP) {
#if defined(MAGICKCORE_WEBP_DELEGATE)
            ictx->type = type;
#else
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "WebP is not supported %s:%d",
                          __FUNCTION__,
                          __LINE__);
            of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
#endif
        } else {
            ictx->type = type;
        }
        MagickSetFormat(ictx->wand, of);
        ctx->of = ngx_http_small_light_image_types[ictx->type - 1];
    } else {
        MagickSetFormat(ictx->wand, of_orig);
        ctx->of = ctx->inf;
    }

    DestroyString(of_orig);

    ctx->content        = MagickGetImageBlob(ictx->wand, &sled_image_size);
    ctx->content_length = sled_image_size;

    ngx_pfree(r->pool, ctx->content_orig);

    ictx->complete = 1;

    return NGX_OK;
}
コード例 #20
0
ファイル: ps3.c プロジェクト: danielforest/ImageMagick
static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image)
{
  static const char
    *PostscriptProlog[]=
    {
      "/ByteStreamDecodeFilter",
      "{",
      "  /z exch def",
      "  /r exch def",
      "  /c exch def",
      "  z "PS3_NoCompression" eq { /ASCII85Decode filter } if",
      "  z "PS3_FaxCompression" eq",
      "  {",
      "    <<",
      "      /K "CCITTParam,
      "      /Columns c",
      "      /Rows r",
      "    >>",
      "    /CCITTFaxDecode filter",
      "  } if",
      "  z "PS3_JPEGCompression" eq { /DCTDecode filter } if",
      "  z "PS3_LZWCompression" eq { /LZWDecode filter } if",
      "  z "PS3_RLECompression" eq { /RunLengthDecode filter } if",
      "  z "PS3_ZipCompression" eq { /FlateDecode filter } if",
      "} bind def",
      "",
      "/DirectClassImageDict",
      "{",
      "  colorspace "PS3_RGBColorspace" eq",
      "  {",
      "    /DeviceRGB setcolorspace",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent 8",
      "      /DataSource pixel_stream",
      "      /MultipleDataSources false",
      "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
      "      /Decode [0 1 0 1 0 1]",
      "    >>",
      "  }",
      "  {",
      "    /DeviceCMYK setcolorspace",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent 8",
      "      /DataSource pixel_stream",
      "      /MultipleDataSources false",
      "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
      "      /Decode",
      "        compression "PS3_JPEGCompression" eq",
      "        { [1 0 1 0 1 0 1 0] }",
      "        { [0 1 0 1 0 1 0 1] }",
      "        ifelse",
      "    >>",
      "  }",
      "  ifelse",
      "} bind def",
      "",
      "/PseudoClassImageDict",
      "{",
      "  % Colors in colormap image.",
      "  currentfile buffer readline pop",
      "  token pop /colors exch def pop",
      "  colors 0 eq",
      "  {",
      "    % Depth of grayscale image.",
      "    currentfile buffer readline pop",
      "    token pop /bits exch def pop",
      "    /DeviceGray setcolorspace",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent bits",
      "      /Decode [0 1]",
      "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
      "      /DataSource pixel_stream",
      "    >>",
      "  }",
      "  {",
      "    % RGB colormap.",
      "    /colormap colors 3 mul string def",
      "    compression "PS3_NoCompression" eq",
      "    { currentfile /ASCII85Decode filter colormap readstring pop pop }",
      "    { currentfile colormap readstring pop pop }",
      "    ifelse",
      "    [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent 8",
      "      /Decode [0 255]",
      "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
      "      /DataSource pixel_stream",
      "    >>",
      "  }",
      "  ifelse",
      "} bind def",
      "",
      "/NonMaskedImageDict",
      "{",
      "  class "PS3_PseudoClass" eq",
      "  { PseudoClassImageDict }",
      "  { DirectClassImageDict }",
      "  ifelse",
      "} bind def",
      "",
      "/MaskedImageDict",
      "{",
      "  <<",
      "    /ImageType 3",
      "    /InterleaveType 3",
      "    /DataDict NonMaskedImageDict",
      "    /MaskDict",
      "    <<",
      "      /ImageType 1",
      "      /Width columns",
      "      /Height rows",
      "      /BitsPerComponent 1",
      "      /DataSource mask_stream",
      "      /MultipleDataSources false",
      "      /ImageMatrix [ columns 0 0 rows neg 0 rows]",
      "      /Decode [ 0 1 ]",
      "    >>",
      "  >>",
      "} bind def",
      "",
      "/ClipImage",
      "{} def",
      "",
      "/DisplayImage",
      "{",
      "  /buffer 512 string def",
      "  % Translation.",
      "  currentfile buffer readline pop",
      "  token pop /x exch def",
      "  token pop /y exch def pop",
      "  x y translate",
      "  % Image size and font size.",
      "  currentfile buffer readline pop",
      "  token pop /x exch def",
      "  token pop /y exch def pop",
      "  currentfile buffer readline pop",
      "  token pop /pointsize exch def pop",
      (char *) NULL
    },
    *PostscriptEpilog[]=
    {
      "  x y scale",
      "  % Clipping path.",
      "  currentfile buffer readline pop",
      "  token pop /clipped exch def pop",
      "  % Showpage.",
      "  currentfile buffer readline pop",
      "  token pop /sp exch def pop",
      "  % Image pixel size.",
      "  currentfile buffer readline pop",
      "  token pop /columns exch def",
      "  token pop /rows exch def pop",
      "  % Colorspace (RGB/CMYK).",
      "  currentfile buffer readline pop",
      "  token pop /colorspace exch def pop",
      "  % Transparency.",
      "  currentfile buffer readline pop",
      "  token pop /alpha exch def pop",
      "  % Stencil mask?",
      "  currentfile buffer readline pop",
      "  token pop /stencil exch def pop",
      "  % Image class (direct/pseudo).",
      "  currentfile buffer readline pop",
      "  token pop /class exch def pop",
      "  % Compression type.",
      "  currentfile buffer readline pop",
      "  token pop /compression exch def pop",
      "  % Clip and render.",
      "  /pixel_stream currentfile columns rows compression ByteStreamDecodeFilter def",
      "  clipped { ClipImage } if",
      "  alpha stencil not and",
      "  { MaskedImageDict mask_stream resetfile }",
      "  { NonMaskedImageDict }",
      "  ifelse",
      "  stencil { 0 setgray imagemask } { image } ifelse",
      "  sp { showpage } if",
      "} bind def",
      (char *) NULL
    };

  char
    buffer[MaxTextExtent],
    date[MaxTextExtent],
    **labels,
    page_geometry[MaxTextExtent];

  CompressionType
    compression;

  const char
    *option,
    **q,
    *value;

  double
    pointsize;

  GeometryInfo
    geometry_info;

  long
    j;

  MagickBooleanType
    status;

  MagickOffsetType
    offset,
    scene,
    start,
    stop;

  MagickStatusType
    flags;

  PointInfo
    delta,
    resolution,
    scale;

  RectangleInfo
    geometry,
    media_info,
    page_info;

  register long
    i;

  SegmentInfo
    bounds;

  size_t
    length;

  time_t
    timer;

  unsigned char
    *pixels;

  unsigned long
    page,
    pixel,
    text_size;

  /*
    Open output image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == MagickFalse)
    return(MagickFalse);
  compression=image->compression;
  if (image_info->compression != UndefinedCompression)
    compression=image_info->compression;
  switch (compression)
  {
    case FaxCompression:
    case Group4Compression:
    { 
      if ((IsMonochromeImage(image,&image->exception) == MagickFalse) ||
          (image->matte != MagickFalse))
        compression=RLECompression;
      break;
    }
#if !defined(MAGICKCORE_JPEG_DELEGATE)
    case JPEGCompression:
    {
      compression=RLECompression;
      (void) ThrowMagickException(&image->exception,GetMagickModule(),
        MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
        image->filename);
      break;
    }
#endif
#if !defined(MAGICKCORE_ZLIB_DELEGATE)
    case ZipCompression:
    {
      compression=RLECompression;
      (void) ThrowMagickException(&image->exception,GetMagickModule(),
        MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
        image->filename);
      break;
    }
#endif
    default:
      break;
  }
  (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
  page=0;
  scene=0;
  do
  {
    /*
      Scale relative to dots-per-inch.
    */
    delta.x=DefaultResolution;
    delta.y=DefaultResolution;
    resolution.x=image->x_resolution;
    resolution.y=image->y_resolution;
    if ((resolution.x == 0.0) || (resolution.y == 0.0))
      {
        flags=ParseGeometry(PSDensityGeometry,&geometry_info);
        resolution.x=geometry_info.rho;
        resolution.y=geometry_info.sigma;
        if ((flags & SigmaValue) == 0)
          resolution.y=resolution.x;
      }
    if (image_info->density != (char *) NULL)
      {
        flags=ParseGeometry(image_info->density,&geometry_info);
        resolution.x=geometry_info.rho;
        resolution.y=geometry_info.sigma;
        if ((flags & SigmaValue) == 0)
          resolution.y=resolution.x;
      }
    if (image->units == PixelsPerCentimeterResolution)
      {
        resolution.x*=2.54;
        resolution.y*=2.54;
      }
    SetGeometry(image,&geometry);
    (void) FormatMagickString(page_geometry,MaxTextExtent,"%lux%lu",
      image->columns,image->rows);
    if (image_info->page != (char *) NULL)
      (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
    else
      if ((image->page.width != 0) && (image->page.height != 0))
        (void) FormatMagickString(page_geometry,MaxTextExtent,"%lux%lu%+ld%+ld",
          image->page.width,image->page.height,image->page.x,image->page.y);
      else
        if ((image->gravity != UndefinedGravity) &&
            (LocaleCompare(image_info->magick,"PS") == 0))
          (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
    (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
    (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
      &geometry.width,&geometry.height);
    scale.x=(double) (geometry.width*delta.x)/resolution.x;
    geometry.width=(unsigned long) (scale.x+0.5);
    scale.y=(double) (geometry.height*delta.y)/resolution.y;
    geometry.height=(unsigned long) (scale.y+0.5);
    (void) ParseAbsoluteGeometry(page_geometry,&media_info);
    (void) ParseGravityGeometry(image,page_geometry,&page_info,
      &image->exception);
    if (image->gravity != UndefinedGravity)
      {
        geometry.x=(-page_info.x);
        geometry.y=(long) (media_info.height+page_info.y-image->rows);
      }
    pointsize=12.0;
    if (image_info->pointsize != 0.0)
      pointsize=image_info->pointsize;
    text_size=0;
    value=GetImageProperty(image,"label");
    if (value != (const char *) NULL)
      text_size=(unsigned long) (MultilineCensus(value)*pointsize+12);
    page++;
    if (page == 1)
      {
        /*
          Postscript header on the first page.
        */
        if (LocaleCompare(image_info->magick,"PS3") == 0)
          (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
        else
          (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
            MaxTextExtent);
        (void) WriteBlobString(image,buffer);
        (void) FormatMagickString(buffer,MaxTextExtent,
          "%%%%Creator: ImageMagick %s\n",MagickLibVersionText);
        (void) WriteBlobString(image,buffer);
        (void) FormatMagickString(buffer,MaxTextExtent,"%%%%Title: %s\n",
          image->filename);
        (void) WriteBlobString(image,buffer);
        timer=time((time_t *) NULL);
        (void) FormatMagickTime(timer,MaxTextExtent,date);
        (void) FormatMagickString(buffer,MaxTextExtent,
          "%%%%CreationDate: %s\n",date);
        (void) WriteBlobString(image,buffer);
        bounds.x1=(double) geometry.x;
        bounds.y1=(double) geometry.y;
        bounds.x2=(double) geometry.x+scale.x;
        bounds.y2=(double) geometry.y+scale.y+text_size;
        if ((image_info->adjoin != MagickFalse) &&
            (GetNextImageInList(image) != (Image *) NULL))
          {
            (void) WriteBlobString(image,"%%BoundingBox: (atend)\n");
            (void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n");
          }
        else
          {
            (void) FormatMagickString(buffer,MaxTextExtent,
              "%%%%BoundingBox: %g %g %g %g\n",floor(bounds.x1+0.5),
              floor(bounds.y1+0.5),ceil(bounds.x2-0.5),ceil(bounds.y2-0.5));
            (void) WriteBlobString(image,buffer);
            (void) FormatMagickString(buffer,MaxTextExtent,
              "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
              bounds.x2,bounds.y2);
            (void) WriteBlobString(image,buffer);
            if (image->colorspace == CMYKColorspace)
              (void) WriteBlobString(image,
                "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
            else
              if (IsGrayImage(image,&image->exception) != MagickFalse)
                (void) WriteBlobString(image,
                  "%%DocumentProcessColors: Black\n");
          }
        /*
          Font resources
        */
        value=GetImageProperty(image,"label");
        if (value != (const char *) NULL)
          (void) WriteBlobString(image,
            "%%DocumentNeededResources: font Helvetica\n");
        (void) WriteBlobString(image,"%%LanguageLevel: 3\n");
        /*
          Pages, orientation and order.
        */
        if (LocaleCompare(image_info->magick,"PS3") != 0)
          (void) WriteBlobString(image,"%%Pages: 1\n");
        else
          {
            (void) WriteBlobString(image,"%%Orientation: Portrait\n");
            (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
            if (image_info->adjoin == MagickFalse)
              (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
            else
              (void) FormatMagickString(buffer,MaxTextExtent,"%%%%Pages: %lu\n",
                (unsigned long) GetImageListLength(image));
            (void) WriteBlobString(image,buffer);
          }
        (void) WriteBlobString(image,"%%EndComments\n");
        /*
          The static postscript procedures prolog.
        */
        (void)WriteBlobString(image,"%%BeginProlog\n");
        for (q=PostscriptProlog; *q; q++)
        {
          (void) WriteBlobString(image,*q);
          (void) WriteBlobByte(image,'\n');
        }
        /*
          One label line for each line in label string.
        */
        value=GetImageProperty(image,"label");
        if (value != (const char *) NULL)
          {
              (void) WriteBlobString(image,"\n  %% Labels.\n  /Helvetica "
              " findfont pointsize scalefont setfont\n");
            for (i=(long) MultilineCensus(value)-1; i >= 0; i--)
            {
              (void) WriteBlobString(image,
                "  currentfile buffer readline pop token pop\n");
              (void) FormatMagickString(buffer,MaxTextExtent,
                "  0 y %g add moveto show pop\n",i*pointsize+12);
              (void) WriteBlobString(image,buffer);
            }
          }
        /*
          The static postscript procedures epilog.
        */
        for (q=PostscriptEpilog; *q; q++)
        {
          (void) WriteBlobString(image,*q);
          (void) WriteBlobByte(image,'\n');
        }
        (void)WriteBlobString(image,"%%EndProlog\n");
      }
    (void) FormatMagickString(buffer,MaxTextExtent,"%%%%Page: 1 %lu\n",page);
    (void) WriteBlobString(image,buffer);
    /*
      Page bounding box.
    */
    (void) FormatMagickString(buffer,MaxTextExtent,
      "%%%%PageBoundingBox: %ld %ld %ld %ld\n",geometry.x,geometry.y,geometry.x+
      (long) geometry.width,geometry.y+(long) (geometry.height+text_size));
    (void) WriteBlobString(image,buffer);
    /*
      Page process colors if not RGB.
    */
    if (image->colorspace == CMYKColorspace)
      (void) WriteBlobString(image,
        "%%PageProcessColors: Cyan Magenta Yellow Black\n");
    else
      if (IsGrayImage(image,&image->exception) != MagickFalse)
        (void) WriteBlobString(image,"%%PageProcessColors: Black\n");
    /*
      Adjust document bounding box to bound page bounding box.
    */
    if ((double) geometry.x < bounds.x1)
      bounds.x1=(double) geometry.x;
    if ((double) geometry.y < bounds.y1)
      bounds.y1=(double) geometry.y;
    if ((double) (geometry.x+scale.x) > bounds.x2)
      bounds.x2=(double) geometry.x+scale.x;
    if ((double) (geometry.y+scale.y+text_size) > bounds.y2)
      bounds.y2=(double) geometry.y+scale.y+text_size;
    /*
      Page font resource if there's a label.
    */
    value=GetImageProperty(image,"label");
    if (value != (const char *) NULL)
      (void) WriteBlobString(image,"%%PageResources: font Helvetica\n");
    /*
      PS clipping path from Photoshop clipping path.
    */
    if ((image->clip_mask == (Image *) NULL) ||
        (LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) != 0))
      (void) WriteBlobString(image,"/ClipImage {} def\n");
    else
      {
        const char
          *value;

        value=GetImageProperty(image,image->clip_mask->magick_filename);
        if (value == (const char *) NULL)
          return(MagickFalse);
        (void) WriteBlobString(image,value);
        (void) WriteBlobByte(image,'\n');
      }
    /*
      Push a dictionary for our own def's if this an EPS.
    */
    if (LocaleCompare(image_info->magick,"PS3") != 0)
      (void) WriteBlobString(image,"userdict begin\n");
    /*
      Image mask.
    */
    if ((image->matte != MagickFalse) &&
        (WritePS3MaskImage(image_info,image,compression) == MagickFalse))
      {
        (void) CloseBlob(image);
        return(MagickFalse);
      }
    /*
      Remember position of BeginData comment so we can update it.
    */
    start=TellBlob(image);
    (void) FormatMagickString(buffer,MaxTextExtent,
      "%%%%BeginData:%13ld %s Bytes\n",0L,
      compression == NoCompression ? "ASCII" : "BINARY");
    (void) WriteBlobString(image,buffer);
    stop=TellBlob(image);
    (void) WriteBlobString(image,"DisplayImage\n");
    /*
      Translate, scale, and font point size.
    */
    (void) FormatMagickString(buffer,MaxTextExtent,"%ld %ld\n%g %g\n%f\n",
      geometry.x,geometry.y,scale.x,scale.y,pointsize);
    (void) WriteBlobString(image,buffer);
    /*
      Output labels.
    */
    labels=(char **) NULL;
    value=GetImageProperty(image,"label");
    if (value != (const char *) NULL)
      labels=StringToList(value);
    if (labels != (char **) NULL)
      {
        for (i=0; labels[i] != (char *) NULL; i++)
        {
          if (compression != NoCompression)
            {
              for (j=0; labels[i][j] != '\0'; j++)
                (void) WriteBlobByte(image,(unsigned char) labels[i][j]);
              (void) WriteBlobByte(image,'\n');
            }
          else
            {
              (void) WriteBlobString(image,"<~");
              Ascii85Initialize(image);
              for (j=0; labels[i][j] != '\0'; j++)
                Ascii85Encode(image,(unsigned char) labels[i][j]);
              Ascii85Flush(image);
            }
          labels[i]=DestroyString(labels[i]);
        }
        labels=(char **) RelinquishMagickMemory(labels);
      }
    /*
      Photoshop clipping path active?
    */
    if ((image->clip_mask != (Image *) NULL) &&
        (LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) == 0))
        (void) WriteBlobString(image,"true\n");
      else
        (void) WriteBlobString(image,"false\n");
    /*
      Showpage for non-EPS.
    */
    (void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ?
      "true\n" : "false\n");
    /*
      Image columns, rows, and color space.
    */
    (void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n%s\n",
      image->columns,image->rows,image->colorspace == CMYKColorspace ?
      PS3_CMYKColorspace : PS3_RGBColorspace);
    (void) WriteBlobString(image,buffer);
    /*
      Masked image?
    */
    (void) WriteBlobString(image,image->matte != MagickFalse ?
      "true\n" : "false\n");
    /*
      Render with imagemask operator?
    */
    option=GetImageOption(image_info,"ps3:imagemask");
    (void) WriteBlobString(image,((option != (const char *) NULL) &&
      (IsMonochromeImage(image,&image->exception) != MagickFalse)) ?
      "true\n" : "false\n");
    /*
      Output pixel data.
    */
    pixels=(unsigned char *) NULL;
    length=0;
    if ((image_info->type != TrueColorType) &&
        (image_info->type != TrueColorMatteType) &&
        (image_info->type != ColorSeparationType) &&
        (image_info->type != ColorSeparationMatteType) &&
        (image->colorspace != CMYKColorspace) &&
        ((IsGrayImage(image,&image->exception) != MagickFalse) ||
         (IsMonochromeImage(image,&image->exception) != MagickFalse)))
      {
        /*
          Gray images.
        */
        (void) WriteBlobString(image,PS3_PseudoClass"\n");
        switch (compression)
        {
          case NoCompression:
          default:
          {
            (void) WriteBlobString(image,PS3_NoCompression"\n");
            break;
          }
          case FaxCompression:
          case Group4Compression:
          {
            (void) WriteBlobString(image,PS3_FaxCompression"\n");
            break;
          }
          case JPEGCompression:
          {
            (void) WriteBlobString(image,PS3_JPEGCompression"\n");
            break;
          }
          case LZWCompression:
          {
            (void) WriteBlobString(image,PS3_LZWCompression"\n");
            break;
          }
          case RLECompression:
          {
            (void) WriteBlobString(image,PS3_RLECompression"\n");
            break;
          }
          case ZipCompression:
          {
            (void) WriteBlobString(image,PS3_ZipCompression"\n");
            break;
          }
        }
        /*
          Number of colors -- 0 for single component non-color mapped data.
        */
        (void) WriteBlobString(image,"0\n");
        /*
          1 bit or 8 bit components?
        */
        (void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
          IsMonochromeImage(image,&image->exception) != MagickFalse ? 1 : 8);
        (void) WriteBlobString(image,buffer);
        /*
          Image data.
        */
        if (compression == JPEGCompression)
          status=InjectImageBlob(image_info,image,image,"jpeg",
            &image->exception);
        else
          if ((compression == FaxCompression) ||
              (compression == Group4Compression))
            {
              if (LocaleCompare(CCITTParam,"0") == 0)
                status=HuffmanEncodeImage(image_info,image,image);
              else
                status=Huffman2DEncodeImage(image_info,image,image);
            }
          else
            {
              status=SerializeImageChannel(image_info,image,&pixels,&length);
              if (status == MagickFalse)
                {
                  (void) CloseBlob(image);
                  return(MagickFalse);
                }
              switch (compression)
              {
                case NoCompression:
                default:
                {
                  Ascii85Initialize(image);
                  for (i=0; i < (long) length; i++)
                    Ascii85Encode(image,pixels[i]);
                  Ascii85Flush(image);
                  status=MagickTrue;
                  break;
                }
                case LZWCompression:
                {
                  status=LZWEncodeImage(image,length,pixels);
                  break;
                }
                case RLECompression:
                {
                  status=PackbitsEncodeImage(image,length,pixels);
                  break;
                }
                case ZipCompression:
                {
                  status=ZLIBEncodeImage(image,length,pixels);
                  break;
                }
              }
              pixels=(unsigned char *) RelinquishMagickMemory(pixels);
            }
      }
    else
      if ((image->storage_class == DirectClass) || (image->colors > 256) ||
          (compression == JPEGCompression))
        {
          /*
            Truecolor image.
          */
          (void) WriteBlobString(image,PS3_DirectClass"\n");
          switch (compression)
          {
            case NoCompression:
            default:
            {
              (void) WriteBlobString(image,PS3_NoCompression"\n");
              break;
            }
            case RLECompression:
            {
              (void) WriteBlobString(image,PS3_RLECompression"\n");
              break;
            }
            case JPEGCompression:
            {
              (void) WriteBlobString(image,PS3_JPEGCompression"\n");
              break;
            }
            case LZWCompression:
            {
              (void) WriteBlobString(image,PS3_LZWCompression"\n");
              break;
            }
            case ZipCompression:
            {
              (void) WriteBlobString(image,PS3_ZipCompression"\n");
              break;
            }
          }
          /*
            Image data.
          */
          if (compression == JPEGCompression)
            status=InjectImageBlob(image_info,image,image,"jpeg",
              &image->exception);
          else
            {
              /*
                Stream based compressions.
              */
              status=SerializeImage(image_info,image,&pixels,&length);
              if (status == MagickFalse)
                {
                  (void) CloseBlob(image);
                  return(MagickFalse);
                }
              switch (compression)
              {
                case NoCompression:
                default:
                {
                  Ascii85Initialize(image);
                  for (i=0; i < (long) length; i++)
                    Ascii85Encode(image,pixels[i]);
                  Ascii85Flush(image);
                  status=MagickTrue;
                  break;
                }
                case RLECompression:
                {
                  status=PackbitsEncodeImage(image,length,pixels);
                  break;
                }
                case LZWCompression:
                {
                  status=LZWEncodeImage(image,length,pixels);
                  break;
                }
                case ZipCompression:
                {
                  status=ZLIBEncodeImage(image,length,pixels);
                  break;
                }
              }
              pixels=(unsigned char *) RelinquishMagickMemory(pixels);
            }
          }
        else
          {
            /*
              Colormapped images.
            */
            (void) WriteBlobString(image,PS3_PseudoClass"\n");
            switch (compression)
            {
              case NoCompression:
              default:
              {
                (void) WriteBlobString(image,PS3_NoCompression"\n");
                break;
              }
              case JPEGCompression:
              {
                (void) WriteBlobString(image,PS3_JPEGCompression"\n");
                break;
              }
              case RLECompression:
              {
                (void) WriteBlobString(image,PS3_RLECompression"\n");
                break;
              }
              case LZWCompression:
              {
                (void) WriteBlobString(image,PS3_LZWCompression"\n");
                break;
              }
              case ZipCompression:
              {
                (void) WriteBlobString(image,PS3_ZipCompression"\n");
                break;
              }
            }
            /*
              Number of colors in color map.
            */
            (void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",
              image->colors);
            (void) WriteBlobString(image,buffer);
            /*
              Color map - uncompressed.
            */
            if ((compression != NoCompression) &&
                (compression != UndefinedCompression))
              {
                for (i=0; i < (long) image->colors; i++)
                {
                  pixel=ScaleQuantumToChar(image->colormap[i].red);
                  (void) WriteBlobByte(image,(unsigned char) pixel);
                  pixel=ScaleQuantumToChar(image->colormap[i].green);
                  (void) WriteBlobByte(image,(unsigned char) pixel);
                  pixel=ScaleQuantumToChar(image->colormap[i].blue);
                  (void) WriteBlobByte(image,(unsigned char) pixel);
                }
              }
            else
              {
                Ascii85Initialize(image);
                for (i=0; i < (long) image->colors; i++)
                {
                  pixel=ScaleQuantumToChar(image->colormap[i].red);
                  Ascii85Encode(image,(unsigned char) pixel);
                  pixel=ScaleQuantumToChar(image->colormap[i].green);
                  Ascii85Encode(image,(unsigned char) pixel);
                  pixel=ScaleQuantumToChar(image->colormap[i].blue);
                  Ascii85Encode(image,(unsigned char) pixel);
                }
                Ascii85Flush(image);
              }
            status=SerializeImageIndexes(image_info,image,&pixels,&length);
            if (status == MagickFalse)
              {
                (void) CloseBlob(image);
                return(MagickFalse);
              }
            switch (compression)
            {
              case NoCompression:
              default:
              {
                Ascii85Initialize(image);
                for (i=0; i < (long) length; i++)
                  Ascii85Encode(image,pixels[i]);
                Ascii85Flush(image);
                status=MagickTrue;
                break;
              }
              case JPEGCompression:
              {
                status=InjectImageBlob(image_info,image,image,"jpeg",
                  &image->exception);
                break;
              }
              case RLECompression:
              {
                status=PackbitsEncodeImage(image,length,pixels);
                break;
              }
              case LZWCompression:
              {
                status=LZWEncodeImage(image,length,pixels);
                break;
              }
              case ZipCompression:
              {
                status=ZLIBEncodeImage(image,length,pixels);
                break;
              }
            }
            pixels=(unsigned char *) RelinquishMagickMemory(pixels);
          }
    (void) WriteBlobByte(image,'\n');
    if (status == MagickFalse)
      {
        (void) CloseBlob(image);
        return(MagickFalse);
      }
    /*
      Update BeginData now that we know the data size.
    */
    length=(size_t) (TellBlob(image)-stop);
    stop=TellBlob(image);
    offset=SeekBlob(image,start,SEEK_SET);
    if (offset < 0)
      ThrowWriterException(CorruptImageError,"ImproperImageHeader");
    (void) FormatMagickString(buffer,MaxTextExtent,
      "%%%%BeginData:%13ld %s Bytes\n",(long) length,
      compression == NoCompression ? "ASCII" : "BINARY");
    (void) WriteBlobString(image,buffer);
    offset=SeekBlob(image,stop,SEEK_SET);
    (void) WriteBlobString(image,"%%EndData\n");
    /*
      End private dictionary if this an EPS.
    */
    if (LocaleCompare(image_info->magick,"PS3") != 0)
      (void) WriteBlobString(image,"end\n");
    (void) WriteBlobString(image,"%%PageTrailer\n");
    if (GetNextImageInList(image) == (Image *) NULL)
      break;
    image=SyncNextImageInList(image);
    status=SetImageProgress(image,SaveImagesTag,scene++,
      GetImageListLength(image));
    if (status == MagickFalse)
      break;
  } while (image_info->adjoin != MagickFalse);
  (void) WriteBlobString(image,"%%Trailer\n");
  if (page > 1)
    {
      (void) FormatMagickString(buffer,MaxTextExtent,
        "%%%%BoundingBox: %g %g %g %g\n",floor(bounds.x1+0.5),
        floor(bounds.y1+0.5),ceil(bounds.x2-0.5),ceil(bounds.y2-0.5));
      (void) WriteBlobString(image,buffer);
      (void) FormatMagickString(buffer,MaxTextExtent,
        "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
        bounds.x2,bounds.y2);
      (void) WriteBlobString(image,buffer);
    }
  (void) WriteBlobString(image,"%%EOF\n");
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #21
0
ファイル: jbig.c プロジェクト: KiiCorp/ImageMagick
static MagickBooleanType WriteJBIGImage(const ImageInfo *image_info,
                                        Image *image)
{
    double
    version;

    long
    y;

    MagickBooleanType
    status;

    MagickOffsetType
    scene;

    register const PixelPacket
    *p;

    register IndexPacket
    *indexes;

    register long
    x;

    register unsigned char
    *q;

    struct jbg_enc_state
        jbig_info;

    unsigned char
    bit,
    byte,
    *pixels;

    unsigned long
    number_packets;

    /*
      Open image file.
    */
    assert(image_info != (const ImageInfo *) NULL);
    assert(image_info->signature == MagickSignature);
    assert(image != (Image *) NULL);
    assert(image->signature == MagickSignature);
    if (image->debug != MagickFalse)
        (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
    status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
    if (status == MagickFalse)
        return(status);
    version=strtod(JBG_VERSION,(char **) NULL);
    scene=0;
    do
    {
        /*
          Allocate pixel data.
        */
        if (image_info->colorspace == UndefinedColorspace)
            (void) SetImageColorspace(image,RGBColorspace);
        number_packets=(image->columns+7)/8;
        pixels=(unsigned char *) AcquireQuantumMemory(number_packets,
                image->rows*sizeof(*pixels));
        if (pixels == (unsigned char *) NULL)
            ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
        /*
          Convert pixels to a bitmap.
        */
        (void) SetImageType(image,BilevelType);
        q=pixels;
        for (y=0; y < (long) image->rows; y++)
        {
            p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
            if (p == (const PixelPacket *) NULL)
                break;
            indexes=GetIndexes(image);
            bit=0;
            byte=0;
            for (x=0; x < (long) image->columns; x++)
            {
                byte<<=1;
                if (PixelIntensity(p) < (QuantumRange/2.0))
                    byte|=0x01;
                bit++;
                if (bit == 8)
                {
                    *q++=byte;
                    bit=0;
                    byte=0;
                }
                p++;
            }
            if (bit != 0)
                *q++=byte << (8-bit);
            if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
                    (QuantumTick(y,image->rows) != MagickFalse))
            {
                status=image->progress_monitor(SaveImageTag,y,image->rows,
                                               image->client_data);
                if (status == MagickFalse)
                    break;
            }
        }
        /*
          Initialize JBIG info structure.
        */
        jbg_enc_init(&jbig_info,image->columns,image->rows,1,&pixels,
                     (void (*)(unsigned char *,size_t,void *)) JBIGEncode,image);
        if (image_info->scene != 0)
            jbg_enc_layers(&jbig_info,(int) image_info->scene);
        else
        {
            long
            sans_offset;

            unsigned long
            x_resolution,
            y_resolution;

            x_resolution=640;
            y_resolution=480;
            sans_offset=0;
            if (image_info->density != (char *) NULL)
            {
                GeometryInfo
                geometry_info;

                MagickStatusType
                flags;

                flags=ParseGeometry(image_info->density,&geometry_info);
                x_resolution=geometry_info.rho;
                y_resolution=geometry_info.sigma;
                if ((flags & SigmaValue) == 0)
                    y_resolution=x_resolution;
            }
            if (image->units == PixelsPerCentimeterResolution)
            {
                x_resolution*=2.54;
                y_resolution*=2.54;
            }
            (void) jbg_enc_lrlmax(&jbig_info,x_resolution,y_resolution);
        }
        (void) jbg_enc_lrange(&jbig_info,-1,-1);
        jbg_enc_options(&jbig_info,JBG_ILEAVE | JBG_SMID,JBG_TPDON | JBG_TPBON |
                        JBG_DPON,version < 1.6 ? -1 : 0,-1,-1);
        /*
          Write JBIG image.
        */
        jbg_enc_out(&jbig_info);
        jbg_enc_free(&jbig_info);
        pixels=(unsigned char *) RelinquishMagickMemory(pixels);
        if (GetNextImageInList(image) == (Image *) NULL)
            break;
        image=SyncNextImageInList(image);
        if (image->progress_monitor != (MagickProgressMonitor) NULL)
        {
            status=image->progress_monitor(SaveImagesTag,scene,
                                           GetImageListLength(image),image->client_data);
            if (status == MagickFalse)
                break;
        }
        scene++;
    } while (image_info->adjoin != MagickFalse);
    (void) CloseBlob(image);
    return(MagickTrue);
}
コード例 #22
0
ファイル: cals.c プロジェクト: 0xPr0xy/ImageMagick
static MagickBooleanType WriteCALSImage(const ImageInfo *image_info,
  Image *image)
{
  char
    header[129];

  Image
    *group4_image;

  ImageInfo
    *write_info;

  MagickBooleanType
    status;

  register ssize_t
    i;

  size_t
    density,
    length,
    orient_x,
    orient_y;

  ssize_t
    count;

  unsigned char
    *group4;

  /*
    Open output image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == MagickFalse)
    return(status);
  /*
    Create standard CALS header.
  */
  count=WriteCALSRecord(image,"srcdocid: NONE");
  (void) count;
  count=WriteCALSRecord(image,"dstdocid: NONE");
  count=WriteCALSRecord(image,"txtfilid: NONE");
  count=WriteCALSRecord(image,"figid: NONE");
  count=WriteCALSRecord(image,"srcgph: NONE");
  count=WriteCALSRecord(image,"docls: NONE");
  count=WriteCALSRecord(image,"rtype: 1");
  orient_x=0;
  orient_y=0;
  switch (image->orientation)
  {
    case TopRightOrientation:
    {
      orient_x=180;
      orient_y=270;
      break;
    }
    case BottomRightOrientation:
    {
      orient_x=180;
      orient_y=90;
      break;
    }
    case BottomLeftOrientation:
    {
      orient_y=90;
      break;
    }
    case LeftTopOrientation:
    {
      orient_x=270;
      break;
    }
    case RightTopOrientation:
    {
      orient_x=270;
      orient_y=180;
      break;
    }
    case RightBottomOrientation:
    {
      orient_x=90;
      orient_y=180;
      break;
    }
    case LeftBottomOrientation:
    {
      orient_x=90;
      break;
    }
    default:
    {
      orient_y=270;
    }
  }
  (void) FormatLocaleString(header,MaxTextExtent,"rorient: %03ld,%03ld",
    (long) orient_x,(long) orient_y);
  count=WriteCALSRecord(image,header);
  (void) FormatLocaleString(header,MaxTextExtent,"rpelcnt: %06lu,%06lu",
    (unsigned long) image->columns,(unsigned long) image->rows);
  count=WriteCALSRecord(image,header);  
  density=200;
  if (image_info->density != (char *) NULL)
    {
      GeometryInfo
        geometry_info;

      (void) ParseGeometry(image_info->density,&geometry_info);
      density=(size_t) floor(geometry_info.rho+0.5);
    }
  (void) FormatLocaleString(header,MaxTextExtent,"rdensty: %04lu",
    (unsigned long) density);
  count=WriteCALSRecord(image,header);
  count=WriteCALSRecord(image,"notes: NONE");
  (void) ResetMagickMemory(header,' ',128);
  for (i=0; i < 5; i++)
    (void) WriteBlob(image,128,(unsigned char *) header);
  /*
    Write CALS pixels.
  */
  write_info=CloneImageInfo(image_info);
  (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
  (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
  group4_image=CloneImage(image,0,0,MagickTrue,&image->exception);
  if (group4_image == (Image *) NULL)
    {
      (void) CloseBlob(image);
      return(MagickFalse);
    }
  group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
    &image->exception);
  group4_image=DestroyImage(group4_image);
  if (group4 == (unsigned char *) NULL)
    {
      (void) CloseBlob(image);
      return(MagickFalse);
    }
  write_info=DestroyImageInfo(write_info);
  if (WriteBlob(image,length,group4) != (ssize_t) length)
    status=MagickFalse;
  group4=(unsigned char *) RelinquishMagickMemory(group4);
  (void) CloseBlob(image);
  return(status);
}
コード例 #23
0
ファイル: constitute.c プロジェクト: ChaseReid/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d I m a g e                                                         %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadImage() reads an image or image sequence from a file or file handle.
%  The method returns a NULL if there is a memory shortage or if the image
%  cannot be read.  On failure, a NULL image is returned and exception
%  describes the reason for the failure.
%
%  The format of the ReadImage method is:
%
%      Image *ReadImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: Read the image defined by the file or filename members of
%      this structure.
%
%    o exception: return any errors or warnings in this structure.
%
*/
MagickExport Image *ReadImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  char
    filename[MaxTextExtent],
    magick[MaxTextExtent],
    magick_filename[MaxTextExtent];

  const char
    *value;

  const DelegateInfo
    *delegate_info;

  const MagickInfo
    *magick_info;

  ExceptionInfo
    *sans_exception;

  GeometryInfo
    geometry_info;

  Image
    *image,
    *next;

  ImageInfo
    *read_info;

  MagickStatusType
    flags,
    thread_support;

  PolicyDomain
    domain;

  PolicyRights
    rights;

  /*
    Determine image type from filename prefix or suffix (e.g. image.jpg).
  */
  assert(image_info != (ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image_info->filename != (char *) NULL);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  read_info=CloneImageInfo(image_info);
  (void) CopyMagickString(magick_filename,read_info->filename,MaxTextExtent);
  (void) SetImageInfo(read_info,0,exception);
  (void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
  (void) CopyMagickString(magick,read_info->magick,MaxTextExtent);
  domain=CoderPolicyDomain;
  rights=ReadPolicyRights;
  if (IsRightsAuthorized(domain,rights,read_info->magick) == MagickFalse)
    {
      errno=EPERM;
      (void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
        "NotAuthorized","`%s'",read_info->filename);
      return((Image *) NULL);
    }
  /*
    Call appropriate image reader based on image type.
  */
  sans_exception=AcquireExceptionInfo();
  magick_info=GetMagickInfo(read_info->magick,sans_exception);
  sans_exception=DestroyExceptionInfo(sans_exception);
  if (magick_info != (const MagickInfo *) NULL)
    {
      if (GetMagickEndianSupport(magick_info) == MagickFalse)
        read_info->endian=UndefinedEndian;
      else
        if ((image_info->endian == UndefinedEndian) &&
            (GetMagickRawSupport(magick_info) != MagickFalse))
          {
            size_t
              lsb_first;

            lsb_first=1;
            read_info->endian=(*(char *) &lsb_first) == 1 ? LSBEndian :
              MSBEndian;
         }
    }
  if ((magick_info != (const MagickInfo *) NULL) &&
      (GetMagickSeekableStream(magick_info) != MagickFalse))
    {
      MagickBooleanType
        status;

      image=AcquireImage(read_info,exception);
      (void) CopyMagickString(image->filename,read_info->filename,
        MaxTextExtent);
      status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
      if (status == MagickFalse)
        {
          read_info=DestroyImageInfo(read_info);
          image=DestroyImage(image);
          return((Image *) NULL);
        }
      if (IsBlobSeekable(image) == MagickFalse)
        {
          /*
            Coder requires a seekable stream.
          */
          *read_info->filename='\0';
          status=ImageToFile(image,read_info->filename,exception);
          if (status == MagickFalse)
            {
              (void) CloseBlob(image);
              read_info=DestroyImageInfo(read_info);
              image=DestroyImage(image);
              return((Image *) NULL);
            }
          read_info->temporary=MagickTrue;
        }
      (void) CloseBlob(image);
      image=DestroyImage(image);
    }
  image=NewImageList();
  if (constitute_semaphore == (SemaphoreInfo *) NULL)
    AcquireSemaphoreInfo(&constitute_semaphore);
  if ((magick_info != (const MagickInfo *) NULL) &&
      (GetImageDecoder(magick_info) != (DecodeImageHandler *) NULL))
    {
      thread_support=GetMagickThreadSupport(magick_info);
      if ((thread_support & DecoderThreadSupport) == 0)
        LockSemaphoreInfo(constitute_semaphore);
      image=GetImageDecoder(magick_info)(read_info,exception);
      if ((thread_support & DecoderThreadSupport) == 0)
        UnlockSemaphoreInfo(constitute_semaphore);
    }
  else
    {
      delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
      if (delegate_info == (const DelegateInfo *) NULL)
        {
          (void) ThrowMagickException(exception,GetMagickModule(),
            MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
            read_info->filename);
          if (read_info->temporary != MagickFalse)
            (void) RelinquishUniqueFileResource(read_info->filename);
          read_info=DestroyImageInfo(read_info);
          return((Image *) NULL);
        }
      /*
        Let our decoding delegate process the image.
      */
      image=AcquireImage(read_info,exception);
      if (image == (Image *) NULL)
        {
          read_info=DestroyImageInfo(read_info);
          return((Image *) NULL);
        }
      (void) CopyMagickString(image->filename,read_info->filename,
        MaxTextExtent);
      *read_info->filename='\0';
      if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
        LockSemaphoreInfo(constitute_semaphore);
      (void) InvokeDelegate(read_info,image,read_info->magick,(char *) NULL,
        exception);
      if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
        UnlockSemaphoreInfo(constitute_semaphore);
      image=DestroyImageList(image);
      read_info->temporary=MagickTrue;
      (void) SetImageInfo(read_info,0,exception);
      magick_info=GetMagickInfo(read_info->magick,exception);
      if ((magick_info == (const MagickInfo *) NULL) ||
          (GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
        {
          if (IsPathAccessible(read_info->filename) != MagickFalse)
            (void) ThrowMagickException(exception,GetMagickModule(),
              MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
              read_info->filename);
          else
            ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
              read_info->filename);
          read_info=DestroyImageInfo(read_info);
          return((Image *) NULL);
        }
      thread_support=GetMagickThreadSupport(magick_info);
      if ((thread_support & DecoderThreadSupport) == 0)
        LockSemaphoreInfo(constitute_semaphore);
      image=(Image *) (GetImageDecoder(magick_info))(read_info,exception);
      if ((thread_support & DecoderThreadSupport) == 0)
        UnlockSemaphoreInfo(constitute_semaphore);
    }
  if (read_info->temporary != MagickFalse)
    {
      (void) RelinquishUniqueFileResource(read_info->filename);
      read_info->temporary=MagickFalse;
      if (image != (Image *) NULL)
        (void) CopyMagickString(image->filename,filename,MaxTextExtent);
    }
  if (image == (Image *) NULL)
    {
      read_info=DestroyImageInfo(read_info);
      return(image);
    }
  if (exception->severity >= ErrorException)
    (void) LogMagickEvent(ExceptionEvent,GetMagickModule(),
      "Coder (%s) generated an image despite an error (%d), "
      "notify the developers",image->magick,exception->severity);
  if (IsBlobTemporary(image) != MagickFalse)
    (void) RelinquishUniqueFileResource(read_info->filename);
  if ((GetNextImageInList(image) != (Image *) NULL) &&
      (IsSceneGeometry(read_info->scenes,MagickFalse) != MagickFalse))
    {
      Image
        *clones;

      clones=CloneImages(image,read_info->scenes,exception);
      if (clones == (Image *) NULL)
        (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
          "SubimageSpecificationReturnsNoImages","`%s'",read_info->filename);
      else
        {
          image=DestroyImageList(image);
          image=GetFirstImageInList(clones);
        }
    }
  if (GetBlobError(image) != MagickFalse)
    {
      ThrowFileException(exception,FileOpenError,
        "AnErrorHasOccurredReadingFromFile",read_info->filename);
      image=DestroyImageList(image);
      read_info=DestroyImageInfo(read_info);
      return((Image *) NULL);
    }
  for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
  {
    char
      magick_path[MaxTextExtent],
      *property,
      timestamp[MaxTextExtent];

    const char
      *option;

    const StringInfo
      *profile;

    next->taint=MagickFalse;
    GetPathComponent(magick_filename,MagickPath,magick_path);
    if (*magick_path == '\0')
      (void) CopyMagickString(next->magick,magick,MaxTextExtent);
    (void) CopyMagickString(next->magick_filename,magick_filename,
      MaxTextExtent);
    if (IsBlobTemporary(image) != MagickFalse)
      (void) CopyMagickString(next->filename,filename,MaxTextExtent);
    if (next->magick_columns == 0)
      next->magick_columns=next->columns;
    if (next->magick_rows == 0)
      next->magick_rows=next->rows;
    value=GetImageProperty(next,"tiff:Orientation",exception);
    if (value == (char *) NULL)
      value=GetImageProperty(next,"exif:Orientation",exception);
    if (value != (char *) NULL)
      {
        next->orientation=(OrientationType) StringToLong(value);
        (void) DeleteImageProperty(next,"tiff:Orientation");
        (void) DeleteImageProperty(next,"exif:Orientation");
      }
    value=GetImageProperty(next,"exif:XResolution",exception);
    if (value != (char *) NULL)
      {
        geometry_info.rho=next->resolution.x;
        geometry_info.sigma=1.0;
        flags=ParseGeometry(value,&geometry_info);
        if (geometry_info.sigma != 0)
          next->resolution.x=geometry_info.rho/geometry_info.sigma;
        (void) DeleteImageProperty(next,"exif:XResolution");
      }
    value=GetImageProperty(next,"exif:YResolution",exception);
    if (value != (char *) NULL)
      {
        geometry_info.rho=next->resolution.y;
        geometry_info.sigma=1.0;
        flags=ParseGeometry(value,&geometry_info);
        if (geometry_info.sigma != 0)
          next->resolution.y=geometry_info.rho/geometry_info.sigma;
        (void) DeleteImageProperty(next,"exif:YResolution");
      }
    value=GetImageProperty(next,"tiff:ResolutionUnit",exception);
    if (value == (char *) NULL)
      value=GetImageProperty(next,"exif:ResolutionUnit",exception);
    if (value != (char *) NULL)
      {
        next->units=(ResolutionType) (StringToLong(value)-1);
        (void) DeleteImageProperty(next,"exif:ResolutionUnit");
        (void) DeleteImageProperty(next,"tiff:ResolutionUnit");
      }
    if (next->page.width == 0)
      next->page.width=next->columns;
    if (next->page.height == 0)
      next->page.height=next->rows;
    option=GetImageOption(read_info,"caption");
    if (option != (const char *) NULL)
      {
        property=InterpretImageProperties(read_info,next,option,exception);
        (void) SetImageProperty(next,"caption",property,exception);
        property=DestroyString(property);
      }
    option=GetImageOption(read_info,"comment");
    if (option != (const char *) NULL)
      {
        property=InterpretImageProperties(read_info,next,option,exception);
        (void) SetImageProperty(next,"comment",property,exception);
        property=DestroyString(property);
      }
    option=GetImageOption(read_info,"label");
    if (option != (const char *) NULL)
      {
        property=InterpretImageProperties(read_info,next,option,exception);
        (void) SetImageProperty(next,"label",property,exception);
        property=DestroyString(property);
      }
    if (LocaleCompare(next->magick,"TEXT") == 0)
      (void) ParseAbsoluteGeometry("0x0+0+0",&next->page);
    if ((read_info->extract != (char *) NULL) &&
        (read_info->stream == (StreamHandler) NULL))
      {
        RectangleInfo
          geometry;

        flags=ParseAbsoluteGeometry(read_info->extract,&geometry);
        if ((next->columns != geometry.width) ||
            (next->rows != geometry.height))
          {
            if (((flags & XValue) != 0) || ((flags & YValue) != 0))
              {
                Image
                  *crop_image;

                crop_image=CropImage(next,&geometry,exception);
                if (crop_image != (Image *) NULL)
                  ReplaceImageInList(&next,crop_image);
              }
            else
              if (((flags & WidthValue) != 0) || ((flags & HeightValue) != 0))
                {
                  Image
                    *size_image;

                  flags=ParseRegionGeometry(next,read_info->extract,&geometry,
                    exception);
                  size_image=ResizeImage(next,geometry.width,geometry.height,
                    next->filter,next->blur,exception);
                  if (size_image != (Image *) NULL)
                    ReplaceImageInList(&next,size_image);
                }
          }
      }
    profile=GetImageProfile(next,"icc");
    if (profile == (const StringInfo *) NULL)
      profile=GetImageProfile(next,"icm");
    profile=GetImageProfile(next,"iptc");
    if (profile == (const StringInfo *) NULL)
      profile=GetImageProfile(next,"8bim");
    (void) FormatMagickTime(GetBlobProperties(next)->st_mtime,MaxTextExtent,
      timestamp);
    (void) SetImageProperty(next,"date:modify",timestamp,exception);
    (void) FormatMagickTime(GetBlobProperties(next)->st_ctime,MaxTextExtent,
      timestamp);
    (void) SetImageProperty(next,"date:create",timestamp,exception);
    option=GetImageOption(image_info,"delay");
    if (option != (const char *) NULL)
      {
        GeometryInfo
          geometry_info;

        flags=ParseGeometry(option,&geometry_info);
        if ((flags & GreaterValue) != 0)
          {
            if (next->delay > (size_t) floor(geometry_info.rho+0.5))
              next->delay=(size_t) floor(geometry_info.rho+0.5);
          }
        else
          if ((flags & LessValue) != 0)
            {
              if (next->delay < (size_t) floor(geometry_info.rho+0.5))
                next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
            }
          else
            next->delay=(size_t) floor(geometry_info.rho+0.5);
        if ((flags & SigmaValue) != 0)
          next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
      }
    option=GetImageOption(image_info,"dispose");
    if (option != (const char *) NULL)
      next->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions,
        MagickFalse,option);
    if (read_info->verbose != MagickFalse)
      (void) IdentifyImage(next,stderr,MagickFalse,exception);
    image=next;
  }
  read_info=DestroyImageInfo(read_info);
  return(GetFirstImageInList(image));
}
コード例 #24
0
ファイル: mpeg.c プロジェクト: miettal/armadillo420_standard
static MagickBooleanType WriteMPEGParameterFiles(const ImageInfo *image_info,
  Image *image,const char *basename)
{
  char
    filename[MaxTextExtent];

  double
    q;

  FILE
    *file,
    *parameter_file;

  long
    quant,
    vertical_factor;

  MagickBooleanType
    mpeg;

  register Image
    *p;

  register long
    i;

  ssize_t
    count;

  static int
    q_matrix[]=
    {
       8, 16, 19, 22, 26, 27, 29, 34,
      16, 16, 22, 24, 27, 29, 34, 37,
      19, 22, 26, 27, 29, 34, 34, 38,
      22, 22, 26, 27, 29, 34, 37, 40,
      22, 26, 27, 29, 32, 35, 40, 48,
      26, 27, 29, 32, 35, 40, 48, 58,
      26, 27, 29, 34, 38, 46, 56, 69,
      27, 29, 35, 38, 46, 56, 69, 83
    };

  unsigned long
    delay;

  /*
    Write parameter file (see mpeg2encode documentation for details).
  */
  file=fopen(basename,"w");
  if (file == (FILE *) NULL)
    return(MagickFalse);
  (void) fprintf(file,"MPEG\n");  /* comment */
  (void) fprintf(file,"%s.%%d\n",image->filename); /* source frame file */
  (void) fprintf(file,"-\n");  /* reconstructed frame file */
  if (image->quality == UndefinedCompressionQuality)
    (void) fprintf(file,"-\n");  /* default intra quant matrix */
  else
    {
      /*
        Write intra quant matrix file.
      */
      (void) FormatMagickString(filename,MaxTextExtent,"%s.iqm",basename);
      (void) fprintf(file,"%s\n",filename);
      parameter_file=fopen(filename,"w");
      if (parameter_file == (FILE *) NULL)
        return(MagickFalse);
      if (image->quality >= 75)
        {
          q=(double) Max((image->quality-75)*2,1);
          for (i=0; i < 64; i++)
          {
            quant=(long) Min(Max(q_matrix[i]/q,1.0),255.0);
            (void) fprintf(parameter_file," %ld",quant);
            if ((i % 8) == 7)
              (void) fprintf(parameter_file,"\n");
          }
        }
      else
        {
          q=(double) Max((75-image->quality)/8,1);
          for (i=0; i < 64; i++)
          {
            quant=(long) Min(Max(q*q_matrix[i]+0.5,1.0),255.0);
            (void) fprintf(parameter_file," %ld",quant);
            if ((i % 8) == 7)
              (void) fprintf(parameter_file,"\n");
          }
        }
      (void) fclose(parameter_file);
    }
  if (image->quality == UndefinedCompressionQuality)
    (void) fprintf(file,"-\n");  /* default non intra quant matrix */
  else
    {
      /*
        Write non intra quant matrix file.
      */
      (void) FormatMagickString(filename,MaxTextExtent,"%s.niq",basename);
      (void) fprintf(file,"%s\n",filename);
      parameter_file=fopen(filename,"w");
      if (parameter_file == (FILE *) NULL)
        return(MagickFalse);
      q=Min(Max(66.0-(2*image->quality)/3.0,1.0),255);
      for (i=0; i < 64; i++)
      {
        (void) fprintf(parameter_file," %d",(int) q);
        if ((i % 8) == 7)
          (void) fprintf(parameter_file,"\n");
      }
      (void) fclose(parameter_file);
    }
  (void) fprintf(file,"%s.log\n",basename);  /* statistics log */
  (void) fprintf(file,"1\n");  /* input picture file format */
  count=0;
  for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
  {
    delay=100*p->delay/Max(p->ticks_per_second,1);
    count+=Max((delay+1)/3,1);
  }
  (void) fprintf(file,"%lu\n",(unsigned long) count); /* number of frames */
  (void) fprintf(file,"0\n");  /* number of first frame */
  (void) fprintf(file,"00:00:00:00\n");  /* timecode of first frame */
  mpeg=(MagickBooleanType) (LocaleCompare(image_info->magick,"M2V") != 0);
  if (image->quality > 98)
    (void) fprintf(file,"1\n");
  else
    (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 12 : 15);
  if (image->quality > 98)
    (void) fprintf(file,"1\n");
  else
    (void) fprintf(file,"3\n");
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 1 : 0);  /* ISO/IEC 11172-2 stream */
  (void) fprintf(file,"0\n");  /* select frame picture coding */
  (void) fprintf(file,"%lu\n",image->columns+
    ((image->columns & 0x01) != 0 ? 1 : 0));
  (void) fprintf(file,"%lu\n",image->rows+((image->rows & 0x01) != 0 ? 1 : 0));
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 8 : 2);  /* aspect ratio */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 3 : 5);  /* frame rate code */
  (void) fprintf(file,"%g\n",mpeg != MagickFalse ? 1152000.0 : 5000000.0);  /* bit rate */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 20 : 112);  /* vbv buffer size */
  (void) fprintf(file,"0\n");  /* low delay */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 1 : 0);  /* constrained parameter */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 4 : 1);  /* profile ID */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 8 : 4);  /* level ID */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 1 : 0);  /* progressive sequence */
  vertical_factor=2;
  if (image_info->sampling_factor != (char *) NULL)
    {
      GeometryInfo
        geometry_info;

      long
        horizontal_factor;

      MagickStatusType
        flags;

      flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
      horizontal_factor=(long) geometry_info.rho;
      vertical_factor=(long) geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        vertical_factor=horizontal_factor;
      if (mpeg != MagickFalse)
        {
          if ((horizontal_factor != 2) || (vertical_factor != 2))
            {
              (void) fclose(file);
              return(MagickFalse);
            }
        }
      else
        if ((horizontal_factor != 2) ||
            ((vertical_factor != 1) && (vertical_factor != 2)))
          {
            (void) fclose(file);
            return(MagickFalse);
          }
    }
  (void) fprintf(file,"%d\n",vertical_factor == 2 ? 1 : 2); /* chroma format */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 1 : 2);  /* video format */
  (void) fprintf(file,"5\n");  /* color primaries */
  (void) fprintf(file,"5\n");  /* transfer characteristics */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 5 : 4);  /* matrix coefficients */
  (void) fprintf(file,"%lu\n",image->columns+
    ((image->columns & 0x01) != 0 ? 1 : 0));
  (void) fprintf(file,"%lu\n",image->rows+((image->rows & 0x01) != 0 ? 1 : 0));
  (void) fprintf(file,"0\n");  /* intra dc precision */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 0 : 1);  /* top field */
  (void) fprintf(file,"%d %d %d\n",mpeg != MagickFalse ? 1 : 0,
    mpeg != MagickFalse ? 1 : 0, mpeg != MagickFalse ? 1 : 0);
  (void) fprintf(file,"0 0 0\n");  /* concealment motion vector */
  (void) fprintf(file,"%d %d %d\n",mpeg != MagickFalse ? 0 : 1,
    mpeg != MagickFalse ? 0 : 1,mpeg != MagickFalse ? 0 : 1);
  (void) fprintf(file,"%d 0 0\n",mpeg != MagickFalse ? 0 : 1);  /* intra vlc format */
  (void) fprintf(file,"0 0 0\n");  /* alternate scan */
  (void) fprintf(file,"0\n");  /* repeat first field */
  (void) fprintf(file,"%d\n",mpeg != MagickFalse ? 1 : 0);  /* progressive frame */
  (void) fprintf(file,"0\n");  /* intra slice refresh period */
  (void) fprintf(file,"0\n");  /* reaction parameter */
  (void) fprintf(file,"0\n");  /* initial average activity */
  (void) fprintf(file,"0\n");
  (void) fprintf(file,"0\n");
  (void) fprintf(file,"0\n");
  (void) fprintf(file,"0\n");
  (void) fprintf(file,"0\n");
  (void) fprintf(file,"0\n");
  (void) fprintf(file,"2 2 11 11\n");
  (void) fprintf(file,"1 1 3 3\n");
  (void) fprintf(file,"1 1 7 7\n");
  (void) fprintf(file,"1 1 7 7\n");
  (void) fprintf(file,"1 1 3 3\n");
  (void) fclose(file);
  return(MagickTrue);
}
コード例 #25
0
CMiniMap::CMiniMap()
: CInputReceiver(BACK),
  fullProxy(false),
  proxyMode(false),
  selecting(false),
  mouseMove(false),
  mouseResize(false),
  mouseLook(false),
  maxspect(false),
  maximized(false),
  minimized(false),
  showButtons(false),
  useIcons(true),
  slaveDrawMode(false)
 {
	lastWindowSizeX = gu->viewSizeX;
	lastWindowSizeY = gu->viewSizeY;

	if (gu->dualScreenMode) {
		width = gu->viewSizeX;
		height = gu->viewSizeY;
		xpos = (gu->viewSizeX - gu->viewPosX);
		ypos = 0;
	}
	else {
		const std::string geodef = "2 2 200 200";
		const std::string geo = configHandler.GetString("MiniMapGeometry", geodef);
		ParseGeometry(geo);
	}

	fullProxy = !!configHandler.GetInt("MiniMapFullProxy", 1);

	buttonSize = configHandler.GetInt("MiniMapButtonSize", 16);

	unitBaseSize =
		atof(configHandler.GetString("MiniMapUnitSize", "2.5").c_str());
	unitBaseSize = std::max(0.0f, unitBaseSize);

	unitExponent =
		atof(configHandler.GetString("MiniMapUnitExp", "0.25").c_str());

	cursorScale =
		atof(configHandler.GetString("MiniMapCursorScale", "-0.5").c_str());

	useIcons = !!configHandler.GetInt("MiniMapIcons", 1);

	drawCommands = std::max(0, configHandler.GetInt("MiniMapDrawCommands", 1));

	drawProjectiles = !!configHandler.GetInt("MiniMapDrawProjectiles", 1);

	simpleColors = !!configHandler.GetInt("SimpleMiniMapColors", 0);

	myColor[0]    = (unsigned char)(0.2f * 255);
	myColor[1]    = (unsigned char)(0.9f * 255);
	myColor[2]    = (unsigned char)(0.2f * 255);
	myColor[3]    = (unsigned char)(1.0f * 255);
	allyColor[0]  = (unsigned char)(0.3f * 255);
	allyColor[1]  = (unsigned char)(0.3f * 255);
	allyColor[2]  = (unsigned char)(0.9f * 255);
	allyColor[3]  = (unsigned char)(1.0f * 255);
	enemyColor[0] = (unsigned char)(0.9f * 255);
	enemyColor[1] = (unsigned char)(0.2f * 255);
	enemyColor[2] = (unsigned char)(0.2f * 255);
	enemyColor[3] = (unsigned char)(1.0f * 255);

	UpdateGeometry();

	circleLists = glGenLists(circleListsCount);
	for (int cl = 0; cl < circleListsCount; cl++) {
		glNewList(circleLists + cl, GL_COMPILE);
		glBegin(GL_LINE_LOOP);
		const int divs = (1 << (cl + 3));
		for (int d = 0; d < divs; d++) {
			const float rads = float(2.0 * PI) * float(d) / float(divs);
			glVertex3f(sin(rads), 0.0f, cos(rads));
		}
		glEnd();
		glEndList();
	}

	// setup the buttons' texture and texture coordinates
	buttonsTexture = 0;
	CBitmap bitmap;
	bool unfiltered = false;
	if (bitmap.Load("bitmaps/minimapbuttons.png")) {
		if ((bitmap.ysize == buttonSize) && (bitmap.xsize == (buttonSize * 4))) {
			unfiltered = true;
		}
		glGenTextures(1, &buttonsTexture);
		glBindTexture(GL_TEXTURE_2D, buttonsTexture);
		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8,
								 bitmap.xsize, bitmap.ysize, 0,
								 GL_RGBA, GL_UNSIGNED_BYTE, bitmap.mem);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
		if (unfiltered) {
			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
		} else {
			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
		}
		glBindTexture(GL_TEXTURE_2D, 0);
	}
	const float xshift = unfiltered ? 0.0f : (0.5f / bitmap.xsize);
	const float yshift = unfiltered ? 0.0f : (0.5f / bitmap.ysize);
	    moveBox.xminTx = 0.50f + xshift;
	    moveBox.xmaxTx = 0.75f - xshift;
	  resizeBox.xminTx = 0.75f + xshift;
	  resizeBox.xmaxTx = 1.00f - xshift;
	minimizeBox.xminTx = 0.00f + xshift;
	minimizeBox.xmaxTx = 0.25f - xshift;
	maximizeBox.xminTx = 0.25f + xshift;
	maximizeBox.xmaxTx = 0.50f - xshift;
	    moveBox.yminTx = 1.00f - yshift;
	  resizeBox.yminTx = 1.00f - yshift;
	minimizeBox.yminTx = 1.00f - yshift;
	maximizeBox.yminTx = 1.00f - yshift;
	    moveBox.ymaxTx = 0.00f + yshift;
	  resizeBox.ymaxTx = 0.00f + yshift;
	minimizeBox.ymaxTx = 0.00f + yshift;
	maximizeBox.ymaxTx = 0.00f + yshift;
}
コード例 #26
0
ファイル: jbig.c プロジェクト: ChaseReid/ImageMagick
static MagickBooleanType WriteJBIGImage(const ImageInfo *image_info,
  Image *image,ExceptionInfo *exception)
{
  double
    version;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  register const Quantum
    *p;

  register ssize_t
    x;

  register unsigned char
    *q;

  size_t
    number_packets;

  ssize_t
    y;

  struct jbg_enc_state
    jbig_info;

  unsigned char
    bit,
    byte,
    *pixels;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  version=StringToDouble(JBG_VERSION,(char **) NULL);
  scene=0;
  do
  {
    /*
      Allocate pixel data.
    */
    if (IsRGBColorspace(image->colorspace) == MagickFalse)
      (void) TransformImageColorspace(image,RGBColorspace,exception);
    number_packets=(image->columns+7)/8;
    pixels=(unsigned char *) AcquireQuantumMemory(number_packets,
      image->rows*sizeof(*pixels));
    if (pixels == (unsigned char *) NULL)
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    /*
      Convert pixels to a bitmap.
    */
    (void) SetImageType(image,BilevelType,exception);
    q=pixels;
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      p=GetVirtualPixels(image,0,y,image->columns,1,exception);
      if (p == (const Quantum *) NULL)
        break;
      bit=0;
      byte=0;
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        byte<<=1;
        if (GetPixelIntensity(image,p) < (QuantumRange/2.0))
          byte|=0x01;
        bit++;
        if (bit == 8)
          {
            *q++=byte;
            bit=0;
            byte=0;
          }
        p+=GetPixelChannels(image);
      }
      if (bit != 0)
        *q++=byte << (8-bit);
      if (image->previous == (Image *) NULL)
        {
          status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
            image->rows);
          if (status == MagickFalse)
            break;
        }
    }
    /*
      Initialize JBIG info structure.
    */
    jbg_enc_init(&jbig_info,(unsigned long) image->columns,(unsigned long)
      image->rows,1,&pixels,(void (*)(unsigned char *,size_t,void *))
      JBIGEncode,image);
    if (image_info->scene != 0)
      jbg_enc_layers(&jbig_info,(int) image_info->scene);
    else
      {
        size_t
          x_resolution,
          y_resolution;

        x_resolution=640;
        y_resolution=480;
        if (image_info->density != (char *) NULL)
          {
            GeometryInfo
              geometry_info;

            MagickStatusType
              flags;

            flags=ParseGeometry(image_info->density,&geometry_info);
            x_resolution=geometry_info.rho;
            y_resolution=geometry_info.sigma;
            if ((flags & SigmaValue) == 0)
              y_resolution=x_resolution;
          }
        if (image->units == PixelsPerCentimeterResolution)
          {
            x_resolution=(size_t) (100.0*2.54*x_resolution+0.5)/100.0;
            y_resolution=(size_t) (100.0*2.54*y_resolution+0.5)/100.0;
          }
        (void) jbg_enc_lrlmax(&jbig_info,(unsigned long) x_resolution,
          (unsigned long) y_resolution);
      }
    (void) jbg_enc_lrange(&jbig_info,-1,-1);
    jbg_enc_options(&jbig_info,JBG_ILEAVE | JBG_SMID,JBG_TPDON | JBG_TPBON |
      JBG_DPON,version < 1.6 ? -1 : 0,-1,-1);
    /*
      Write JBIG image.
    */
    jbg_enc_out(&jbig_info);
    jbg_enc_free(&jbig_info);
    pixels=(unsigned char *) RelinquishMagickMemory(pixels);
    if (GetNextImageInList(image) == (Image *) NULL)
      break;
    image=SyncNextImageInList(image);
    status=SetImageProgress(image,SaveImagesTag,scene++,
      GetImageListLength(image));
    if (status == MagickFalse)
      break;
  } while (image_info->adjoin != MagickFalse);
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #27
0
ファイル: geometry.c プロジェクト: JasonGross/characters
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   P a r s e G r a v i t y G e o m e t r y                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ParseGravityGeometry() returns a region as defined by the geometry string
%  with respect to the image dimensions and its gravity.
%
%  The format of the ParseGravityGeometry method is:
%
%      MagickStatusType ParseGravityGeometry(Image *image,const char *geometry,
%        RectangeInfo *region_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o geometry:  The geometry (e.g. 100x100+10+10).
%
%    o region_info: the region as defined by the geometry string with
%      respect to the image dimensions and its gravity.
%
%    o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickStatusType ParseGravityGeometry(const Image *image,
  const char *geometry,RectangleInfo *region_info,ExceptionInfo *exception)
{
  MagickStatusType
    flags;

  size_t
    height,
    width;

  SetGeometry(image,region_info);
  if (image->page.width != 0)
    region_info->width=image->page.width;
  if (image->page.height != 0)
    region_info->height=image->page.height;
  flags=ParseAbsoluteGeometry(geometry,region_info);
  if (flags == NoValue)
    {
      (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
        "InvalidGeometry","`%s'",geometry);
      return(flags);
    }
  if ((flags & PercentValue) != 0)
    {
      GeometryInfo
        geometry_info;

      MagickStatusType
        status;

      PointInfo
        scale;

      /*
        Geometry is a percentage of the image size.
      */
      if (image->gravity != UndefinedGravity)
        flags|=XValue | YValue;
      status=ParseGeometry(geometry,&geometry_info);
      scale.x=geometry_info.rho;
      if ((status & RhoValue) == 0)
        scale.x=100.0;
      scale.y=geometry_info.sigma;
      if ((status & SigmaValue) == 0)
        scale.y=scale.x;
      region_info->width=(size_t) floor((scale.x*image->columns/100.0)+
        0.5);
      region_info->height=(size_t) floor((scale.y*image->rows/100.0)+
        0.5);
    }
  /*
    Adjust offset according to gravity setting.
  */
  width=region_info->width;
  height=region_info->height;
  if (width == 0)
    region_info->width=image->page.width | image->columns;
  if (height == 0)
    region_info->height=image->page.height | image->rows;
  GravityAdjustGeometry(image->columns,image->rows,image->gravity,region_info);
  region_info->width=width;
  region_info->height=height;
  return(flags);
}
コード例 #28
0
ファイル: yuv.c プロジェクト: JohnHeywardOBrien/photogram
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e Y U V I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteYUVImage() writes an image to a file in the digital YUV
%  (CCIR 601 4:1:1, plane or partition interlaced, or 4:2:2 plane, partition
%  interlaced or noninterlaced) bytes and returns it.
%
%  The format of the WriteYUVImage method is:
%
%      MagickBooleanType WriteYUVImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteYUVImage(const ImageInfo *image_info,Image *image)
{
  Image
    *chroma_image,
    *yuv_image;

  InterlaceType
    interlace;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  register const PixelPacket
    *p,
    *s;

  register ssize_t
    x;

  size_t
    height,
    quantum,
    width;

  ssize_t
    horizontal_factor,
    vertical_factor,
    y;

  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  quantum=(size_t) (image->depth <= 8 ? 1 : 2);
  interlace=image->interlace;
  horizontal_factor=2;
  vertical_factor=2;
  if (image_info->sampling_factor != (char *) NULL)
    {
      GeometryInfo
        geometry_info;

      MagickStatusType
        flags;

      flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
      horizontal_factor=(ssize_t) geometry_info.rho;
      vertical_factor=(ssize_t) geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        vertical_factor=horizontal_factor;
      if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
          (vertical_factor != 1) && (vertical_factor != 2))
        ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor");
    }
  if ((interlace == UndefinedInterlace) ||
      ((interlace == NoInterlace) && (vertical_factor == 2)))
    {
      interlace=NoInterlace;    /* CCIR 4:2:2 */
      if (vertical_factor == 2)
        interlace=PlaneInterlace; /* CCIR 4:1:1 */
    }
  if (interlace != PartitionInterlace)
    {
      /*
        Open output image file.
      */
      status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
      if (status == MagickFalse)
        return(status);
    }
  else
    {
      AppendImageFormat("Y",image->filename);
      status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
      if (status == MagickFalse)
        return(status);
    }
  scene=0;
  do
  {
    /*
      Sample image to an even width and height, if necessary.
    */
    image->depth=(size_t) (quantum == 1 ? 8 : 16);
    width=image->columns+(image->columns & (horizontal_factor-1));
    height=image->rows+(image->rows & (vertical_factor-1));
    yuv_image=ResizeImage(image,width,height,TriangleFilter,1.0,
      &image->exception);
    if (yuv_image == (Image *) NULL)
      ThrowWriterException(ResourceLimitError,image->exception.reason);
    (void) TransformImageColorspace(yuv_image,YCbCrColorspace);
    /*
      Downsample image.
    */
    chroma_image=ResizeImage(image,width/horizontal_factor,
      height/vertical_factor,TriangleFilter,1.0,&image->exception);
    if (chroma_image == (Image *) NULL)
      ThrowWriterException(ResourceLimitError,image->exception.reason);
    (void) TransformImageColorspace(chroma_image,YCbCrColorspace);
    if (interlace == NoInterlace)
      {
        /*
          Write noninterlaced YUV.
        */
        for (y=0; y < (ssize_t) yuv_image->rows; y++)
        {
          p=GetVirtualPixels(yuv_image,0,y,yuv_image->columns,1,
            &yuv_image->exception);
          if (p == (const PixelPacket *) NULL)
            break;
          s=GetVirtualPixels(chroma_image,0,y,chroma_image->columns,1,
            &chroma_image->exception);
          if (s == (const PixelPacket *) NULL)
            break;
          for (x=0; x < (ssize_t) yuv_image->columns; x++)
          {
            if (quantum == 1)
              {
                (void) WriteBlobByte(image,ScaleQuantumToChar(
                  GetPixelGreen(s)));
                (void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelRed(p)));
                p++;
                (void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelBlue(s)));
                (void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelRed(p)));
              }
            else
              {
                (void) WriteBlobByte(image,ScaleQuantumToChar(
                  GetPixelGreen(s)));
                (void) WriteBlobShort(image,ScaleQuantumToShort(
                  GetPixelRed(p)));
                p++;
                (void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelBlue(s)));
                (void) WriteBlobShort(image,ScaleQuantumToShort(
                  GetPixelRed(p)));
              }
            p++;
            s++;
            x++;
          }
          if (image->previous == (Image *) NULL)
            {
              status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
                image->rows);
              if (status == MagickFalse)
                break;
            }
        }
        yuv_image=DestroyImage(yuv_image);
      }
    else
      {
        /*
          Initialize Y channel.
        */
        for (y=0; y < (ssize_t) yuv_image->rows; y++)
        {
          p=GetVirtualPixels(yuv_image,0,y,yuv_image->columns,1,
            &yuv_image->exception);
          if (p == (const PixelPacket *) NULL)
            break;
          for (x=0; x < (ssize_t) yuv_image->columns; x++)
          {
            if (quantum == 1)
              (void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelRed(p)));
            else
              (void) WriteBlobShort(image,ScaleQuantumToShort(GetPixelRed(p)));
            p++;
          }
          if (image->previous == (Image *) NULL)
            {
              status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
                image->rows);
              if (status == MagickFalse)
                break;
            }
        }
        yuv_image=DestroyImage(yuv_image);
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,SaveImageTag,1,3);
            if (status == MagickFalse)
              break;
          }
        /*
          Initialize U channel.
        */
        if (interlace == PartitionInterlace)
          {
            (void) CloseBlob(image);
            AppendImageFormat("U",image->filename);
            status=OpenBlob(image_info,image,WriteBinaryBlobMode,
              &image->exception);
            if (status == MagickFalse)
              return(status);
          }
        for (y=0; y < (ssize_t) chroma_image->rows; y++)
        {
          p=GetVirtualPixels(chroma_image,0,y,chroma_image->columns,1,
            &chroma_image->exception);
          if (p == (const PixelPacket *) NULL)
            break;
          for (x=0; x < (ssize_t) chroma_image->columns; x++)
          {
            if (quantum == 1)
              (void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelGreen(p)));
            else
              (void) WriteBlobShort(image,ScaleQuantumToShort(
                GetPixelGreen(p)));
            p++;
          }
        }
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,SaveImageTag,2,3);
            if (status == MagickFalse)
              break;
          }
        /*
          Initialize V channel.
        */
        if (interlace == PartitionInterlace)
          {
            (void) CloseBlob(image);
            AppendImageFormat("V",image->filename);
            status=OpenBlob(image_info,image,WriteBinaryBlobMode,
              &image->exception);
            if (status == MagickFalse)
              return(status);
          }
        for (y=0; y < (ssize_t) chroma_image->rows; y++)
        {
          p=GetVirtualPixels(chroma_image,0,y,chroma_image->columns,1,
            &chroma_image->exception);
          if (p == (const PixelPacket *) NULL)
            break;
          for (x=0; x < (ssize_t) chroma_image->columns; x++)
          {
            if (quantum == 1)
              (void) WriteBlobByte(image,ScaleQuantumToChar(GetPixelBlue(p)));
            else
              (void) WriteBlobShort(image,ScaleQuantumToShort(GetPixelBlue(p)));
            p++;
          }
        }
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,SaveImageTag,2,3);
            if (status == MagickFalse)
              break;
          }
      }
    chroma_image=DestroyImage(chroma_image);
    if (interlace == PartitionInterlace)
      (void) CopyMagickString(image->filename,image_info->filename,
        MaxTextExtent);
    if (GetNextImageInList(image) == (Image *) NULL)
      break;
    image=SyncNextImageInList(image);
    status=SetImageProgress(image,SaveImagesTag,scene++,
      GetImageListLength(image));
    if (status == MagickFalse)
      break;
  } while (image_info->adjoin != MagickFalse);
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #29
0
ファイル: xps.c プロジェクト: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d X P S I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadXPSImage() reads a Printer Control Language image file and returns it.
%  It allocates the memory necessary for the new Image structure and returns a
%  pointer to the new image.
%
%  The format of the ReadXPSImage method is:
%
%      Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define CropBox  "CropBox"
#define DeviceCMYK  "DeviceCMYK"
#define MediaBox  "MediaBox"
#define RenderXPSText  "  Rendering XPS...  "

  char
    command[MaxTextExtent],
    density[MaxTextExtent],
    filename[MaxTextExtent],
    geometry[MaxTextExtent],
    options[MaxTextExtent],
    input_filename[MaxTextExtent];

  const DelegateInfo
    *delegate_info;

  Image
    *image,
    *next_image;

  ImageInfo
    *read_info;

  MagickBooleanType
    cmyk,
    status;

  PointInfo
    delta;

  RectangleInfo
    bounding_box,
    page;

  register char
    *p;

  register ssize_t
    c;

  SegmentInfo
    bounds;

  size_t
    height,
    width;

  ssize_t
    count;

  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  /*
    Open image file.
  */
  image=AcquireImage(image_info);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
  if (status == MagickFalse)
    {
      ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
        image_info->filename);
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Set the page density.
  */
  delta.x=DefaultResolution;
  delta.y=DefaultResolution;
  if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0))
    {
      GeometryInfo
        geometry_info;

      MagickStatusType
        flags;

      flags=ParseGeometry(PSDensityGeometry,&geometry_info);
      image->x_resolution=geometry_info.rho;
      image->y_resolution=geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        image->y_resolution=image->x_resolution;
    }
  (void) FormatLocaleString(density,MaxTextExtent,"%gx%g",
    image->x_resolution,image->y_resolution);
  /*
    Determine page geometry from the XPS media box.
  */
  cmyk=image->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
  count=0;
  (void) ResetMagickMemory(&bounding_box,0,sizeof(bounding_box));
  (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
  (void) ResetMagickMemory(&page,0,sizeof(page));
  (void) ResetMagickMemory(command,0,sizeof(command));
  p=command;
  for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
  {
    if (image_info->page != (char *) NULL)
      continue;
    /*
      Note XPS elements.
    */
    *p++=(char) c;
    if ((c != (int) '/') && (c != '\n') &&
        ((size_t) (p-command) < (MaxTextExtent-1)))
      continue;
    *p='\0';
    p=command;
    /*
      Is this a CMYK document?
    */
    if (LocaleNCompare(DeviceCMYK,command,strlen(DeviceCMYK)) == 0)
      cmyk=MagickTrue;
    if (LocaleNCompare(CropBox,command,strlen(CropBox)) == 0)
      {
        /*
          Note region defined by crop box.
        */
        count=(ssize_t) sscanf(command,"CropBox [%lf %lf %lf %lf",
          &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
        if (count != 4)
          count=(ssize_t) sscanf(command,"CropBox[%lf %lf %lf %lf",
            &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
      }
    if (LocaleNCompare(MediaBox,command,strlen(MediaBox)) == 0)
      {
        /*
          Note region defined by media box.
        */
        count=(ssize_t) sscanf(command,"MediaBox [%lf %lf %lf %lf",
          &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
        if (count != 4)
          count=(ssize_t) sscanf(command,"MediaBox[%lf %lf %lf %lf",
            &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
      }
    if (count != 4)
      continue;
    /*
      Set XPS render geometry.
    */
    width=(size_t) (floor(bounds.x2+0.5)-ceil(bounds.x1-0.5));
    height=(size_t) (floor(bounds.y2+0.5)-ceil(bounds.y1-0.5));
    if (width > page.width)
      page.width=width;
    if (height > page.height)
      page.height=height;
  }
  (void) CloseBlob(image);
  /*
    Render XPS with the GhostXPS delegate.
  */
  if ((page.width == 0) || (page.height == 0))
    (void) ParseAbsoluteGeometry(PSPageGeometry,&page);
  if (image_info->page != (char *) NULL)
    (void) ParseAbsoluteGeometry(image_info->page,&page);
  (void) FormatLocaleString(geometry,MaxTextExtent,"%.20gx%.20g",(double)
    page.width,(double) page.height);
  if (image_info->monochrome != MagickFalse)
    delegate_info=GetDelegateInfo("xps:mono",(char *) NULL,exception);
  else
     if (cmyk != MagickFalse)
       delegate_info=GetDelegateInfo("xps:cmyk",(char *) NULL,exception);
     else
       delegate_info=GetDelegateInfo("xps:color",(char *) NULL,exception);
  if (delegate_info == (const DelegateInfo *) NULL)
    return((Image *) NULL);
  *options='\0';
  if ((page.width == 0) || (page.height == 0))
    (void) ParseAbsoluteGeometry(PSPageGeometry,&page);
  if (image_info->page != (char *) NULL)
    (void) ParseAbsoluteGeometry(image_info->page,&page);
  page.width=(size_t) floor(page.width*image->y_resolution/delta.x+0.5);
  page.height=(size_t) floor(page.height*image->y_resolution/delta.y+0.5);
  (void) FormatLocaleString(options,MaxTextExtent,"-g%.20gx%.20g ",(double)
    page.width,(double) page.height);
  image=DestroyImage(image);
  read_info=CloneImageInfo(image_info);
  *read_info->magick='\0';
  if (read_info->number_scenes != 0)
    {
      if (read_info->number_scenes != 1)
        (void) FormatLocaleString(options,MaxTextExtent,"-dLastPage=%.20g",
          (double) (read_info->scene+read_info->number_scenes));
      else
        (void) FormatLocaleString(options,MaxTextExtent,
          "-dFirstPage=%.20g -dLastPage=%.20g",(double) read_info->scene+1,
          (double) (read_info->scene+read_info->number_scenes));
      read_info->number_scenes=0;
      if (read_info->scenes != (char *) NULL)
        *read_info->scenes='\0';
    }
  if (read_info->authenticate != (char *) NULL)
    (void) FormatLocaleString(options+strlen(options),MaxTextExtent,
      " -sXPSPassword=%s",read_info->authenticate);
  (void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
  (void) AcquireUniqueFilename(read_info->filename);
  (void) FormatLocaleString(command,MaxTextExtent,
    GetDelegateCommands(delegate_info),
    read_info->antialias != MagickFalse ? 4 : 1,
    read_info->antialias != MagickFalse ? 4 : 1,density,options,
    read_info->filename,input_filename);
  status=SystemCommand(MagickFalse,read_info->verbose,command,exception) != 0 ?
    MagickTrue : MagickFalse;
  image=ReadImage(read_info,exception);
  (void) RelinquishUniqueFileResource(read_info->filename);
  (void) RelinquishUniqueFileResource(input_filename);
  read_info=DestroyImageInfo(read_info);
  if (image == (Image *) NULL)
    ThrowReaderException(DelegateError,"XPSDelegateFailed");
  if (LocaleCompare(image->magick,"BMP") == 0)
    {
      Image
        *cmyk_image;

      cmyk_image=ConsolidateCMYKImages(image,&image->exception);
      if (cmyk_image != (Image *) NULL)
        {
          image=DestroyImageList(image);
          image=cmyk_image;
        }
    }
  do
  {
    (void) CopyMagickString(image->filename,filename,MaxTextExtent);
    image->page=page;
    next_image=SyncNextImageInList(image);
    if (next_image != (Image *) NULL)
      image=next_image;
  } while (next_image != (Image *) NULL);
  return(GetFirstImageInList(image));
}
コード例 #30
0
ngx_int_t ngx_http_small_light_imagemagick_process(ngx_http_request_t *r, ngx_http_small_light_ctx_t *ctx)
{
    ngx_http_small_light_imagemagick_ctx_t *ictx;
    ngx_http_small_light_image_size_t       sz;
    MagickBooleanType                       status;
    int                                     rmprof_flg, progressive_flg;
    double                                  iw, ih, q;
    char                                   *jpeg_size_opt, *of_orig, *crop_geo, *size_geo;
    char                                   *unsharp, *sharpen, *blur, *dealpha, *of;
    MagickWand                             *trans_wand, *canvas_wand;
    DrawingWand                            *border_wand;
    PixelWand                              *bg_color, *canvas_color, *border_color;
    GeometryInfo                            geo;
    ngx_fd_t                                fd;
    MagickWand                             *icon_wand;
    u_char                                 *p, *embedicon, *embedicon_path;
    size_t                                  embedicon_path_len, embedicon_len, sled_image_size;
    ngx_int_t                               type;

    status = MagickFalse;

    ictx = (ngx_http_small_light_imagemagick_ctx_t *)ctx->ictx;

    /* adjust image size */
    ngx_http_small_light_calc_image_size(r, ctx, &sz, 10000.0, 10000.0);

    /* init */
    ictx->wand = NewMagickWand();

    /* prepare */
    if (sz.jpeghint_flg != 0) {
        jpeg_size_opt = ngx_pcalloc(r->pool, 32 + 1);
        if (jpeg_size_opt == NULL) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to allocate memory from r->pool %s:%d",
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }
        ngx_snprintf((u_char *)jpeg_size_opt, 32 + 1, "%dx%d", (ngx_int_t)sz.dw, (ngx_int_t)sz.dh);
        MagickSetOption(ictx->wand, "jpeg:size", jpeg_size_opt);
    }

    /* load image. */
    status = MagickReadImageBlob(ictx->wand, (void *)ictx->image, ictx->image_len);
    if (status == MagickFalse) {
        ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                      "couldn't read image %s:%d",
                      __FUNCTION__,
                      __LINE__);
        return NGX_ERROR;
    }

    /* remove all profiles */
    rmprof_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "rmprof"));
    if (rmprof_flg != 0) {
        status = MagickProfileImage(ictx->wand, "*", NULL, 0);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "couldn't profiling image %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    /* calc size. */
    iw = (double)MagickGetImageWidth(ictx->wand);
    ih = (double)MagickGetImageHeight(ictx->wand);
    ngx_http_small_light_calc_image_size(r, ctx, &sz, iw, ih);

    /* pass through. */
    if (sz.pt_flg != 0) {
        return NGX_OK;
    }

    of_orig = MagickGetImageFormat(ictx->wand);

    /* crop, scale. */
    status = MagickTrue;
    if (sz.scale_flg != 0) {
        crop_geo = ngx_pcalloc(r->pool, 128 + 1);
        if (crop_geo == NULL) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to allocate memory from r->pool %s:%d",
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }
        size_geo = ngx_pcalloc(r->pool, 128 + 1);
        if (size_geo == NULL) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to allocate memory from r->pool %s:%d",
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }
        ngx_snprintf((u_char *)crop_geo, 128 + 1, "%f!x%f!+%f+%f", sz.sw, sz.sh, sz.sx, sz.sy);
        ngx_snprintf((u_char *)size_geo, 128 + 1, "%f!x%f!",       sz.dw, sz.dh);
        trans_wand = MagickTransformImage(ictx->wand, crop_geo, size_geo);
        if (trans_wand == NULL || trans_wand == ictx->wand) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            return NGX_ERROR;
        }
        DestroyMagickWand(ictx->wand);
        ictx->wand = trans_wand;
    }

    /* rotate */
    if (sz.angle) {
        bg_color = NewPixelWand();
        PixelSetRed(bg_color,   sz.cc.r / 255.0);
        PixelSetGreen(bg_color, sz.cc.g / 255.0);
        PixelSetBlue(bg_color,  sz.cc.b / 255.0);
        PixelSetAlpha(bg_color, sz.cc.a / 255.0);

        switch (sz.angle) {
        case 90:
        case 180:
        case 270:
            MagickRotateImage(ictx->wand, bg_color, sz.angle);
            break;
        }

        DestroyPixelWand(bg_color);
    }

    /* create canvas then draw image to the canvas. */
    if (sz.cw > 0.0 && sz.ch > 0.0) {
        canvas_wand  = NewMagickWand();
        canvas_color = NewPixelWand();
        PixelSetRed(canvas_color,   sz.cc.r / 255.0);
        PixelSetGreen(canvas_color, sz.cc.g / 255.0);
        PixelSetBlue(canvas_color,  sz.cc.b / 255.0);
        PixelSetAlpha(canvas_color, sz.cc.a / 255.0);
        status = MagickNewImage(canvas_wand, sz.cw, sz.ch, canvas_color);
        DestroyPixelWand(canvas_color);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            return NGX_ERROR;
        }
        status = MagickCompositeImage(canvas_wand, ictx->wand, AtopCompositeOp, sz.dx, sz.dy);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            return NGX_ERROR;
        }
        DestroyMagickWand(ictx->wand);
        ictx->wand = canvas_wand;
    }

    /* effects. */
    unsharp = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "unsharp");
    if (unsharp != NULL) {
        ParseGeometry(unsharp, &geo);
        status = MagickUnsharpMaskImage(ictx->wand, geo.rho, geo.sigma, geo.xi, geo.psi);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "unsharp failed %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    sharpen = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "sharpen");
    if (sharpen != NULL) {
        ParseGeometry(sharpen, &geo);
        status = MagickSharpenImage(ictx->wand, geo.rho, geo.sigma);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "sharpen failed %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    blur = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "blur");
    if (blur) {
        ParseGeometry(blur, &geo);
        status = MagickBlurImage(ictx->wand, geo.rho, geo.sigma);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "blur failed %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    dealpha = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "dealpha");
    if (dealpha != NULL) {
        status = MagickSetImageAlphaChannel(ictx->wand, DeactivateAlphaChannel);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "dealpha failed %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }


    /* border. */
    if (sz.bw > 0.0 || sz.bh > 0.0) {
        border_wand = NewDrawingWand();
        border_color = NewPixelWand();
        PixelSetRed(border_color,   sz.bc.r / 255.0);
        PixelSetGreen(border_color, sz.bc.g / 255.0);
        PixelSetBlue(border_color,  sz.bc.b / 255.0);
        PixelSetAlpha(border_color, sz.bc.a / 255.0);
        DrawSetFillColor(border_wand, border_color);
        DrawSetStrokeColor(border_wand, border_color);
        DrawSetStrokeWidth(border_wand, 1);

        if (sz.cw > 0.0 && sz.ch > 0.0) {
            DrawRectangle(border_wand, 0, 0, sz.cw - 1, sz.bh - 1);
            DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.ch - 1);
            DrawRectangle(border_wand, 0, sz.ch - sz.bh, sz.cw - 1, sz.ch - 1);
            DrawRectangle(border_wand, sz.cw - sz.bw, 0, sz.cw - 1, sz.ch - 1);
        } else {
            DrawRectangle(border_wand, 0, 0, sz.dw - 1, sz.bh - 1);
            DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.dh - 1);
            DrawRectangle(border_wand, 0, sz.dh - sz.bh, sz.dw - 1, sz.dh - 1);
            DrawRectangle(border_wand, sz.dw - sz.bw, 0, sz.dw - 1, sz.dh - 1);
        }
        MagickDrawImage(ictx->wand, border_wand);
        DestroyPixelWand(border_color);
        DestroyDrawingWand(border_wand);
    }

    /* embed icon */
    embedicon = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "embedicon");
    if (ngx_strlen(ctx->material_dir) > 0 && ngx_strlen(embedicon) > 0) {
        if (ngx_strstrn((u_char *)embedicon, "/", 1 - 1)) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "invalid parameter 'embedicon':%s %s:%d",
                          embedicon,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        icon_wand = NewMagickWand();

        embedicon_len      = ngx_strlen(embedicon);
        embedicon_path_len = ctx->material_dir->len + ngx_strlen("/") + embedicon_len;
        embedicon_path     = ngx_palloc(r->pool, embedicon_path_len + 1);
        if (embedicon_path == NULL) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to allocate memory from r->pool %s:%d",
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        p = embedicon_path;
        p = ngx_cpystrn(p, ctx->material_dir->data, ctx->material_dir->len + 1);
        p = ngx_cpystrn(p, (u_char *)"/", 1 + 1);
        p = ngx_cpystrn(p, embedicon, embedicon_len + 1);

        if ((fd = ngx_open_file(embedicon_path, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0)) == NGX_INVALID_FILE) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to open embeddedicon file:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        if (ngx_close_file(fd) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to close:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        if (ngx_strstrn(embedicon_path, "..", 2 - 1)) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "invalid embeddedicon_path:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        if (MagickReadImage(icon_wand, (char *)embedicon_path) == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to read embed icon image file:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        MagickCompositeImageChannel(ictx->wand, AllChannels, icon_wand, OverCompositeOp, sz.ix, sz.iy);
        ClearMagickWand(icon_wand);
    }

    /* set params. */
    q = ngx_http_small_light_parse_double(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "q"));
    if (q > 0.0) {
        MagickSetImageCompressionQuality(ictx->wand, q);
    }

    progressive_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "progressive"));
    if (progressive_flg != 0) {
        MagickSetInterlaceScheme(ictx->wand, LineInterlace);
    }

    of = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "of");
    if (ngx_strlen(of) > 0) {
        type = ngx_http_small_light_type(of);
        if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_NONE) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "of is invalid(%s) %s:%d",
                          of,
                          __FUNCTION__,
                          __LINE__);
            of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
        } else if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_WEBP) {
#if defined(MAGICKCORE_WEBP_DELEGATE)
            ictx->type = type;
#else
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "WebP is not supported %s:%d",
                          __FUNCTION__,
                          __LINE__);
            of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
#endif
        } else {
            ictx->type = type;
        }
        MagickSetFormat(ictx->wand, of);
        ctx->of = ngx_http_small_light_image_types[ictx->type - 1];
    } else {
        MagickSetFormat(ictx->wand, of_orig);
        ctx->of = ctx->inf;
    }

    ctx->content        = MagickGetImageBlob(ictx->wand, &sled_image_size);
    ctx->content_length = sled_image_size;

    ictx->complete = 1;

    return NGX_OK;
}