コード例 #1
0
ファイル: hdr.c プロジェクト: ChaseReid/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d H D R I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadHDRImage() reads the Radiance RGBE image format 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 ReadHDRImage method is:
%
%      Image *ReadHDRImage(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 *ReadHDRImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  char
    format[MaxTextExtent],
    keyword[MaxTextExtent],
    tag[MaxTextExtent],
    value[MaxTextExtent];

  double
    gamma;

  Image
    *image;

  int
    c;

  MagickBooleanType
    status,
    value_expected;

  register Quantum
    *q;

  register ssize_t
    i,
    x;

  register unsigned char
    *p;

  ssize_t
    count,
    y;

  unsigned char
    *end,
    pixel[4],
    *pixels;

  /*
    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,exception);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Decode image header.
  */
  image->columns=0;
  image->rows=0;
  *format='\0';
  c=ReadBlobByte(image);
  if (c == EOF)
    {
      image=DestroyImage(image);
      return((Image *) NULL);
    }
  while (isgraph(c) && (image->columns == 0) && (image->rows == 0))
  {
    if (c == (int) '#')
      {
        char
          *comment;

        register char
          *p;

        size_t
          length;

        /*
          Read comment-- any text between # and end-of-line.
        */
        length=MaxTextExtent;
        comment=AcquireString((char *) NULL);
        for (p=comment; comment != (char *) NULL; p++)
        {
          c=ReadBlobByte(image);
          if ((c == EOF) || (c == (int) '\n'))
            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,exception);
        comment=DestroyString(comment);
        c=ReadBlobByte(image);
      }
    else
      if (isalnum(c) == MagickFalse)
        c=ReadBlobByte(image);
      else
        {
          register char
            *p;

          /*
            Determine a keyword and its value.
          */
          p=keyword;
          do
          {
            if ((size_t) (p-keyword) < (MaxTextExtent-1))
              *p++=c;
            c=ReadBlobByte(image);
          } while (isalnum(c) || (c == '_'));
          *p='\0';
          value_expected=MagickFalse;
          while ((isspace((int) ((unsigned char) c)) != 0) || (c == '='))
          {
            if (c == '=')
              value_expected=MagickTrue;
            c=ReadBlobByte(image);
          }
          if (LocaleCompare(keyword,"Y") == 0)
            value_expected=MagickTrue;
          if (value_expected == MagickFalse)
            continue;
          p=value;
          while ((c != '\n') && (c != '\0'))
          {
            if ((size_t) (p-value) < (MaxTextExtent-1))
              *p++=c;
            c=ReadBlobByte(image);
          }
          *p='\0';
          /*
            Assign a value to the specified keyword.
          */
          switch (*keyword)
          {
            case 'F':
            case 'f':
            {
              if (LocaleCompare(keyword,"format") == 0)
                {
                  (void) CopyMagickString(format,value,MaxTextExtent);
                  break;
                }
              (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
              (void) SetImageProperty(image,tag,value,exception);
              break;
            }
            case 'G':
            case 'g':
            {
              if (LocaleCompare(keyword,"gamma") == 0)
                {
                  image->gamma=StringToDouble(value,(char **) NULL);
                  break;
                }
              (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
              (void) SetImageProperty(image,tag,value,exception);
              break;
            }
            case 'P':
            case 'p':
            {
              if (LocaleCompare(keyword,"primaries") == 0)
                {
                  float
                    chromaticity[6],
                    white_point[2];

                  (void) sscanf(value,"%g %g %g %g %g %g %g %g",
                    &chromaticity[0],&chromaticity[1],&chromaticity[2],
                    &chromaticity[3],&chromaticity[4],&chromaticity[5],
                    &white_point[0],&white_point[1]);
                  image->chromaticity.red_primary.x=chromaticity[0];
                  image->chromaticity.red_primary.y=chromaticity[1];
                  image->chromaticity.green_primary.x=chromaticity[2];
                  image->chromaticity.green_primary.y=chromaticity[3];
                  image->chromaticity.blue_primary.x=chromaticity[4];
                  image->chromaticity.blue_primary.y=chromaticity[5];
                  image->chromaticity.white_point.x=white_point[0],
                  image->chromaticity.white_point.y=white_point[1];
                  break;
                }
              (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
              (void) SetImageProperty(image,tag,value,exception);
              break;
            }
            case 'Y':
            case 'y':
            {
              if (strcmp(keyword,"Y") == 0)
                {
                  int
                    height,
                    width;

                  (void) sscanf(value,"%d +X %d",&height,&width);
                  image->columns=(size_t) width;
                  image->rows=(size_t) height;
                  break;
                }
              (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
              (void) SetImageProperty(image,tag,value,exception);
              break;
            }
            default:
            {
              (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
              (void) SetImageProperty(image,tag,value,exception);
              break;
            }
          }
        }
    if ((image->columns == 0) && (image->rows == 0))
      while (isspace((int) ((unsigned char) c)) != 0)
        c=ReadBlobByte(image);
  }
  if ((LocaleCompare(format,"32-bit_rle_rgbe") != 0) &&
      (LocaleCompare(format,"32-bit_rle_xyze") != 0))
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  if ((image->columns == 0) || (image->rows == 0))
    ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
  if (LocaleCompare(format,"32-bit_rle_xyze") == 0)
    image->colorspace=XYZColorspace;
  image->compression=(image->columns < 8) || (image->columns > 0x7ffff) ?
    NoCompression : RLECompression;
  if (image_info->ping != MagickFalse)
    {
      (void) CloseBlob(image);
      return(GetFirstImageInList(image));
    }
  /*
    Read RGBE (red+green+blue+exponent) pixels.
  */
  pixels=(unsigned char *) AcquireQuantumMemory(image->columns,4*
    sizeof(*pixels));
  if (pixels == (unsigned char *) NULL)
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    if (image->compression != RLECompression)
      {
        count=ReadBlob(image,4*image->columns*sizeof(*pixels),pixels);
        if (count != (ssize_t) (4*image->columns*sizeof(*pixels)))
          break;
      }
    else
      {
        count=ReadBlob(image,4*sizeof(*pixel),pixel);
        if (count != 4)
          break;
        if ((size_t) ((((size_t) pixel[2]) << 8) | pixel[3]) != image->columns)
          {
            (void) memcpy(pixels,pixel,4*sizeof(*pixel));
            count=ReadBlob(image,4*(image->columns-1)*sizeof(*pixels),pixels+4);
            image->compression=NoCompression;
          }
        else
          {
            p=pixels;
            for (i=0; i < 4; i++)
            {
              end=&pixels[(i+1)*image->columns];
              while (p < end)
              {
                count=ReadBlob(image,2*sizeof(*pixel),pixel);
                if (count < 1)
                  break;
                if (pixel[0] > 128)
                  {
                    count=(ssize_t) pixel[0]-128;
                    if ((count == 0) || (count > (ssize_t) (end-p)))
                      break;
                    while (count-- > 0)
                      *p++=pixel[1];
                  }
                else
                  {
                    count=(ssize_t) pixel[0];
                    if ((count == 0) || (count > (ssize_t) (end-p)))
                      break;
                    *p++=pixel[1];
                    if (--count > 0)
                      {
                        count=ReadBlob(image,(size_t) count*sizeof(*p),p);
                        if (count < 1)
                          break;
                        p+=count;
                      }
                  }
              }
            }
          }
      }
    q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (Quantum *) NULL)
      break;
    i=0;
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      if (image->compression == RLECompression)
        {
          pixel[0]=pixels[x];
          pixel[1]=pixels[x+image->columns];
          pixel[2]=pixels[x+2*image->columns];
          pixel[3]=pixels[x+3*image->columns];
        }
      else
        {
          pixel[0]=pixels[i++];
          pixel[1]=pixels[i++];
          pixel[2]=pixels[i++];
          pixel[3]=pixels[i++];
        }
      SetPixelRed(image,0,q);
      SetPixelGreen(image,0,q);
      SetPixelBlue(image,0,q);
      if (pixel[3] != 0)
        {
          gamma=pow(2.0,pixel[3]-(128.0+8.0));
          SetPixelRed(image,ClampToQuantum(QuantumRange*gamma*pixel[0]),q);
          SetPixelGreen(image,ClampToQuantum(QuantumRange*gamma*pixel[1]),q);
          SetPixelBlue(image,ClampToQuantum(QuantumRange*gamma*pixel[2]),q);
        }
      q+=GetPixelChannels(image);
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
    status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
  pixels=(unsigned char *) RelinquishMagickMemory(pixels);
  if (EOFBlob(image) != MagickFalse)
    ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
      image->filename);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}
コード例 #2
0
ファイル: cals.c プロジェクト: densonclan/poptees.shoppe
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d C A L S I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadCALSImage() reads an CALS Raster Group 1 image format 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 ReadCALSImage method is:
%
%      Image *ReadCALSImage(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 *ReadCALSImage(const ImageInfo *image_info,
                            ExceptionInfo *exception)
{
    char
    filename[MaxTextExtent],
             header[129],
             message[MaxTextExtent];

    FILE
    *file;

    Image
    *image;

    ImageInfo
    *read_info;

    int
    c,
    unique_file;

    MagickBooleanType
    status;

    register ssize_t
    i;

    unsigned long
    density,
    direction,
    height,
    orientation,
    pel_path,
    type,
    width;

    /*
      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);
    }
    /*
      Read CALS header.
    */
    (void) ResetMagickMemory(header,0,sizeof(header));
    density=0;
    direction=0;
    orientation=1;
    pel_path=0;
    type=1;
    width=0;
    height=0;
    for (i=0; i < 16; i++)
    {
        if (ReadBlob(image,128,(unsigned char *) header) != 128)
            break;
        switch (*header)
        {
        case 'R':
        case 'r':
        {
            if (LocaleNCompare(header,"rdensty:",8) == 0)
            {
                (void) sscanf(header+8,"%lu",&density);
                break;
            }
            if (LocaleNCompare(header,"rpelcnt:",8) == 0)
            {
                (void) sscanf(header+8,"%lu,%lu",&width,&height);
                break;
            }
            if (LocaleNCompare(header,"rorient:",8) == 0)
            {
                (void) sscanf(header+8,"%lu,%lu",&pel_path,&direction);
                if (pel_path == 90)
                    orientation=5;
                else if (pel_path == 180)
                    orientation=3;
                else if (pel_path == 270)
                    orientation=7;
                if (direction == 90)
                    orientation++;
                break;
            }
            if (LocaleNCompare(header,"rtype:",6) == 0)
            {
                (void) sscanf(header+6,"%lu",&type);
                break;
            }
            break;
        }
        }
    }
    /*
      Read CALS pixels.
    */
    file=(FILE *) NULL;
    unique_file=AcquireUniqueFileResource(filename);
    if (unique_file != -1)
        file=fdopen(unique_file,"wb");
    if ((unique_file == -1) || (file == (FILE *) NULL))
        ThrowImageException(FileOpenError,"UnableToCreateTemporaryFile");
    while ((c=ReadBlobByte(image)) != EOF)
        (void) fputc(c,file);
    (void) fclose(file);
    (void) CloseBlob(image);
    image=DestroyImage(image);
    read_info=CloneImageInfo(image_info);
    SetImageInfoBlob(read_info,(void *) NULL,0);
    (void) FormatLocaleString(read_info->filename,MaxTextExtent,"group4:%s",
                              filename);
    (void) FormatLocaleString(message,MaxTextExtent,"%lux%lu",width,height);
    read_info->size=ConstantString(message);
    (void) FormatLocaleString(message,MaxTextExtent,"%lu",density);
    read_info->density=ConstantString(message);
    read_info->orientation=(OrientationType) orientation;
    image=ReadImage(read_info,exception);
    if (image != (Image *) NULL)
    {
        (void) CopyMagickString(image->filename,image_info->filename,
                                MaxTextExtent);
        (void) CopyMagickString(image->magick_filename,image_info->filename,
                                MaxTextExtent);
        (void) CopyMagickString(image->magick,"CALS",MaxTextExtent);
    }
    read_info=DestroyImageInfo(read_info);
    (void) RelinquishUniqueFileResource(filename);
    return(image);
}
コード例 #3
0
ファイル: pwp.c プロジェクト: CamiloBenavides/SnoutPoint-Web
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d P W P I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadPWPImage() reads a Seattle Film Works multi-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 ReadPWPImage method is:
%
%      Image *ReadPWPImage(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 *ReadPWPImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  FILE
    *file;

  Image
    *image,
    *next_image,
    *pwp_image;

  ImageInfo
    *read_info;

  int
    c,
    unique_file;

  MagickBooleanType
    status;

  register Image
    *p;

  register ssize_t
    i;

  size_t
    filesize,
    length;

  ssize_t
    count;

  unsigned char
    magick[MaxTextExtent];

  /*
    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);
  pwp_image=AcquireImage(image_info);
  image=pwp_image;
  status=OpenBlob(image_info,pwp_image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    return((Image *) NULL);
  count=ReadBlob(pwp_image,5,magick);
  if ((count != 5) || (LocaleNCompare((char *) magick,"SFW95",5) != 0))
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  read_info=CloneImageInfo(image_info);
  (void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
    (void *) NULL);
  SetImageInfoBlob(read_info,(void *) NULL,0);
  unique_file=AcquireUniqueFileResource(read_info->filename);
  for ( ; ; )
  {
    for (c=ReadBlobByte(pwp_image); c != EOF; c=ReadBlobByte(pwp_image))
    {
      for (i=0; i < 17; i++)
        magick[i]=magick[i+1];
      magick[17]=(unsigned char) c;
      if (LocaleNCompare((char *) (magick+12),"SFW94A",6) == 0)
        break;
    }
    if (c == EOF)
      break;
    if (LocaleNCompare((char *) (magick+12),"SFW94A",6) != 0)
      {
        (void) RelinquishUniqueFileResource(read_info->filename);
        ThrowReaderException(CorruptImageError,"ImproperImageHeader");
      }
    /*
      Dump SFW image to a temporary file.
    */
    file=(FILE *) NULL;
    if (unique_file != -1)
      file=fdopen(unique_file,"wb");
    if ((unique_file == -1) || (file == (FILE *) NULL))
      {
        (void) RelinquishUniqueFileResource(read_info->filename);
        ThrowFileException(exception,FileOpenError,"UnableToWriteFile",
          image->filename);
        image=DestroyImageList(image);
        return((Image *) NULL);
      }
    length=fwrite("SFW94A",1,6,file);
    (void) length;
    filesize=65535UL*magick[2]+256L*magick[1]+magick[0];
    for (i=0; i < (ssize_t) filesize; i++)
    {
      c=ReadBlobByte(pwp_image);
      (void) fputc(c,file);
    }
    (void) fclose(file);
    next_image=ReadImage(read_info,exception);
    if (next_image == (Image *) NULL)
      break;
    (void) FormatLocaleString(next_image->filename,MaxTextExtent,
      "slide_%02ld.sfw",(long) next_image->scene);
    if (image == (Image *) NULL)
      image=next_image;
    else
      {
        /*
          Link image into image list.
        */
        for (p=image; p->next != (Image *) NULL; p=GetNextImageInList(p)) ;
        next_image->previous=p;
        next_image->scene=p->scene+1;
        p->next=next_image;
      }
    if (image_info->number_scenes != 0)
      if (next_image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    status=SetImageProgress(image,LoadImagesTag,TellBlob(pwp_image),
      GetBlobSize(pwp_image));
    if (status == MagickFalse)
      break;
  }
  if (unique_file != -1)
    (void) close(unique_file);
  (void) RelinquishUniqueFileResource(read_info->filename);
  read_info=DestroyImageInfo(read_info);
  (void) CloseBlob(pwp_image);
  pwp_image=DestroyImage(pwp_image);
  if (EOFBlob(image) != MagickFalse)
    {
      char
        *message;

      message=GetExceptionMessage(errno);
      (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError,
        "UnexpectedEndOfFile","`%s': %s",image->filename,message);
      message=DestroyString(message);
    }
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}
コード例 #4
0
ファイル: xps.c プロジェクト: vcgato29/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[MagickPathExtent],
    *density,
    filename[MagickPathExtent],
    geometry[MagickPathExtent],
    *options,
    input_filename[MagickPathExtent];

  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 == MagickCoreSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickCoreSignature);
  /*
    Open image file.
  */
  image=AcquireImage(image_info,exception);
  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->resolution.x == 0.0) || (image->resolution.y == 0.0))
    {
      GeometryInfo
        geometry_info;

      MagickStatusType
        flags;

      flags=ParseGeometry(PSDensityGeometry,&geometry_info);
      image->resolution.x=geometry_info.rho;
      image->resolution.y=geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        image->resolution.y=image->resolution.x;
    }
  /*
    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) < (MagickPathExtent-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,MagickPathExtent,"%.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);
  density=AcquireString("");
  options=AcquireString("");
  (void) FormatLocaleString(density,MagickPathExtent,"%gx%g",
    image->resolution.x,image->resolution.y);
  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->resolution.y/delta.x+0.5);
  page.height=(size_t) floor(page.height*image->resolution.y/delta.y+0.5);
  (void) FormatLocaleString(options,MagickPathExtent,"-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,MagickPathExtent,"-dLastPage=%.20g",
          (double) (read_info->scene+read_info->number_scenes));
      else
        (void) FormatLocaleString(options,MagickPathExtent,
          "-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';
    }
  (void) CopyMagickString(filename,read_info->filename,MagickPathExtent);
  (void) AcquireUniqueFilename(read_info->filename);
  (void) FormatLocaleString(command,MagickPathExtent,
    GetDelegateCommands(delegate_info),
    read_info->antialias != MagickFalse ? 4 : 1,
    read_info->antialias != MagickFalse ? 4 : 1,density,options,
    read_info->filename,input_filename);
  options=DestroyString(options);
  density=DestroyString(density);
  status=ExternalDelegateCommand(MagickFalse,read_info->verbose,command,
    (char *) NULL,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,exception);
      if (cmyk_image != (Image *) NULL)
        {
          image=DestroyImageList(image);
          image=cmyk_image;
        }
    }
  do
  {
    (void) CopyMagickString(image->filename,filename,MagickPathExtent);
    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 #5
0
ファイル: xpm.c プロジェクト: jakekiser/Nodotype
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e X P M I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteXPMImage() writes an image to a file in the X pixmap format.
%
%  The format of the WriteXPMImage method is:
%
%      MagickBooleanType WriteXPMImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteXPMImage(const ImageInfo *image_info,Image *image)
{
#define MaxCixels  92

  static const char
    Cixel[MaxCixels+1] = " [email protected]#$%&*=-;:>,<1234567890qwertyuipasdfghjk"
                         "lzxcvbnmMNBVCZASDFGHJKLPIUYTREWQ!~^/()_`'][{}|";

  char
    buffer[MaxTextExtent],
    basename[MaxTextExtent],
    name[MaxTextExtent],
    symbol[MaxTextExtent];

  MagickBooleanType
    status;

  MagickPixelPacket
    pixel;

  register const IndexPacket
    *indexes;

  register const PixelPacket
    *p;

  register ssize_t
    i,
    x;

  size_t
    characters_per_pixel;

  ssize_t
    j,
    k,
    opacity,
    y;

  /*
    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);
  if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace);
  opacity=(-1);
  if (image->matte == MagickFalse)
    {
      if ((image->storage_class == DirectClass) || (image->colors > 256))
        (void) SetImageType(image,PaletteType);
    }
  else
    {
      MagickRealType
        alpha,
        beta;

      /*
        Identify transparent colormap index.
      */
      if ((image->storage_class == DirectClass) || (image->colors > 256))
        (void) SetImageType(image,PaletteBilevelMatteType);
      for (i=0; i < (ssize_t) image->colors; i++)
        if (image->colormap[i].opacity != OpaqueOpacity)
          {
            if (opacity < 0)
              {
                opacity=i;
                continue;
              }
            alpha=(Quantum) TransparentOpacity-(MagickRealType)
              image->colormap[i].opacity;
            beta=(Quantum) TransparentOpacity-(MagickRealType)
              image->colormap[opacity].opacity;
            if (alpha < beta)
              opacity=i;
          }
      if (opacity == -1)
        {
          (void) SetImageType(image,PaletteBilevelMatteType);
          for (i=0; i < (ssize_t) image->colors; i++)
            if (image->colormap[i].opacity != OpaqueOpacity)
              {
                if (opacity < 0)
                  {
                    opacity=i;
                    continue;
                  }
                alpha=(Quantum) TransparentOpacity-(MagickRealType)
                  image->colormap[i].opacity;
                beta=(Quantum) TransparentOpacity-(MagickRealType)
                  image->colormap[opacity].opacity;
                if (alpha < beta)
                  opacity=i;
              }
        }
      if (opacity >= 0)
        {
          image->colormap[opacity].red=image->transparent_color.red;
          image->colormap[opacity].green=image->transparent_color.green;
          image->colormap[opacity].blue=image->transparent_color.blue;
        }
    }
  /*
    Compute the character per pixel.
  */
  characters_per_pixel=1;
  for (k=MaxCixels; (ssize_t) image->colors > k; k*=MaxCixels)
    characters_per_pixel++;
  /*
    XPM header.
  */
  (void) WriteBlobString(image,"/* XPM */\n");
  GetPathComponent(image->filename,BasePath,basename);
  if (isalnum((int) ((unsigned char) *basename)) == 0)
    {
      (void) FormatLocaleString(buffer,MaxTextExtent,"xpm_%s",basename);
      (void) CopyMagickString(basename,buffer,MaxTextExtent);
    }
  if (isalpha((int) ((unsigned char) basename[0])) == 0)
    basename[0]='_';
  for (i=1; basename[i] != '\0'; i++)
    if (isalnum((int) ((unsigned char) basename[i])) == 0)
      basename[i]='_';
  (void) FormatLocaleString(buffer,MaxTextExtent,
    "static char *%s[] = {\n",basename);
  (void) WriteBlobString(image,buffer);
  (void) WriteBlobString(image,"/* columns rows colors chars-per-pixel */\n");
  (void) FormatLocaleString(buffer,MaxTextExtent,
    "\"%.20g %.20g %.20g %.20g \",\n",(double) image->columns,(double)
    image->rows,(double) image->colors,(double) characters_per_pixel);
  (void) WriteBlobString(image,buffer);
  GetMagickPixelPacket(image,&pixel);
  for (i=0; i < (ssize_t) image->colors; i++)
  {
    /*
      Define XPM color.
    */
    SetMagickPixelPacket(image,image->colormap+i,(IndexPacket *) NULL,&pixel);
    pixel.colorspace=sRGBColorspace;
    pixel.depth=8;
    pixel.opacity=(MagickRealType) OpaqueOpacity;
    (void) QueryMagickColorname(image,&pixel,XPMCompliance,name,
      &image->exception);
    if (i == opacity)
      (void) CopyMagickString(name,"None",MaxTextExtent);
    /*
      Write XPM color.
    */
    k=i % MaxCixels;
    symbol[0]=Cixel[k];
    for (j=1; j < (ssize_t) characters_per_pixel; j++)
    {
      k=((i-k)/MaxCixels) % MaxCixels;
      symbol[j]=Cixel[k];
    }
    symbol[j]='\0';
    (void) FormatLocaleString(buffer,MaxTextExtent,"\"%s c %s\",\n",symbol,
      name);
    (void) WriteBlobString(image,buffer);
  }
  /*
    Define XPM pixels.
  */
  (void) WriteBlobString(image,"/* pixels */\n");
  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);
    (void) WriteBlobString(image,"\"");
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      k=((ssize_t) GetPixelIndex(indexes+x) % MaxCixels);
      symbol[0]=Cixel[k];
      for (j=1; j < (ssize_t) characters_per_pixel; j++)
      {
        k=(((int) GetPixelIndex(indexes+x)-k)/MaxCixels) % MaxCixels;
        symbol[j]=Cixel[k];
      }
      symbol[j]='\0';
      (void) CopyMagickString(buffer,symbol,MaxTextExtent);
      (void) WriteBlobString(image,buffer);
    }
    (void) FormatLocaleString(buffer,MaxTextExtent,"\"%s\n",
      (y == (ssize_t) (image->rows-1) ? "" : ","));
    (void) WriteBlobString(image,buffer);
    if (image->previous == (Image *) NULL)
      {
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
  }
  (void) WriteBlobString(image,"};\n");
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #6
0
ファイル: dng.c プロジェクト: INT2208-ST/MyFriend
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d D N G I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadDNGImage() reads an binary file in the Digital Negative format 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 ReadDNGImage method is:
%
%      Image *ReadDNGImage(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 *ReadDNGImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  ExceptionInfo
    *sans_exception;

  Image
    *image;

  ImageInfo
    *read_info;

  MagickBooleanType
    status;

  /*
    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) CloseBlob(image);
  (void) DestroyImageList(image);
  /*
    Convert DNG to PPM with delegate.
  */
  image=AcquireImage(image_info);
  read_info=CloneImageInfo(image_info);
  SetImageInfoBlob(read_info,(void *) NULL,0);
  (void) InvokeDelegate(read_info,image,"dng:decode",(char *) NULL,exception);
  image=DestroyImage(image);
  (void) FormatLocaleString(read_info->filename,MaxTextExtent,"%s.png",
    read_info->unique);
  sans_exception=AcquireExceptionInfo();
  image=ReadImage(read_info,sans_exception);
  sans_exception=DestroyExceptionInfo(sans_exception);
  if (image == (Image *) NULL)
    {
      (void) FormatLocaleString(read_info->filename,MaxTextExtent,"%s.ppm",
        read_info->unique);
      image=ReadImage(read_info,exception);
    }
  (void) RelinquishUniqueFileResource(read_info->filename);
  if (image != (Image *) NULL)
    {
      char
        filename[MaxTextExtent],
        *xml;

      ExceptionInfo
        *sans;

      (void) CopyMagickString(image->magick,read_info->magick,MaxTextExtent);
      (void) FormatLocaleString(filename,MaxTextExtent,"%s.ufraw",
        read_info->unique);
      sans=AcquireExceptionInfo();
      xml=FileToString(filename,MaxTextExtent,sans);
      (void) RelinquishUniqueFileResource(filename);
      if (xml != (char *) NULL)
        {
          XMLTreeInfo
            *ufraw;

          /*
            Inject.
          */
          ufraw=NewXMLTree(xml,sans);
          if (ufraw != (XMLTreeInfo *) NULL)
            {
              char
                *content,
                property[MaxTextExtent];

              const char
                *tag;

              XMLTreeInfo
                *next;

              if (image->properties == (void *) NULL)
                ((Image *) image)->properties=NewSplayTree(
                  CompareSplayTreeString,RelinquishMagickMemory,
                  RelinquishMagickMemory);
              next=GetXMLTreeChild(ufraw,(const char *) NULL);
              while (next != (XMLTreeInfo *) NULL)
              {
                tag=GetXMLTreeTag(next);
                if (tag == (char *) NULL)
                  tag="unknown";
                (void) FormatLocaleString(property,MaxTextExtent,"dng:%s",tag);
                content=ConstantString(GetXMLTreeContent(next));
                StripString(content);
                if ((LocaleCompare(tag,"log") != 0) &&
                    (LocaleCompare(tag,"InputFilename") != 0) &&
                    (LocaleCompare(tag,"OutputFilename") != 0) &&
                    (LocaleCompare(tag,"OutputType") != 0) &&
                    (strlen(content) != 0))
                  (void) AddValueToSplayTree((SplayTreeInfo *)
                    ((Image *) image)->properties,ConstantString(property),
                    content);
                next=GetXMLTreeSibling(next);
              }
              ufraw=DestroyXMLTree(ufraw);
            }
          xml=DestroyString(xml);
        }
      sans=DestroyExceptionInfo(sans);
    }
  read_info=DestroyImageInfo(read_info);
  return(image);
}
コード例 #7
0
ファイル: label.c プロジェクト: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d L A B E L I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadLABELImage() reads a LABEL 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 ReadLABELImage method is:
%
%      Image *ReadLABELImage(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 *ReadLABELImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  char
    geometry[MaxTextExtent],
    *property;

  const char
    *label;

  DrawInfo
    *draw_info;

  Image
    *image;

  MagickBooleanType
    status;

  TypeMetric
    metrics;

  size_t
    height,
    width;

  /*
    Initialize 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);
  (void) ResetImagePage(image,"0x0+0+0");
  property=InterpretImageProperties(image_info,image,image_info->filename);
  (void) SetImageProperty(image,"label",property);
  property=DestroyString(property);
  label=GetImageProperty(image,"label");
  draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
  draw_info->text=ConstantString(label);
  status=GetMultilineTypeMetrics(image,draw_info,&metrics);
  if (image->columns == 0)
    {
      (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
        -metrics.bounds.x1,metrics.ascent);
      if (draw_info->gravity == UndefinedGravity)
        (void) CloneString(&draw_info->geometry,geometry);
      status=GetMultilineTypeMetrics(image,draw_info,&metrics);
      (void) status;
      image->columns=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
    }
  if (image->rows == 0)
    {
      (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
        -metrics.bounds.x1,metrics.ascent);
      if (draw_info->gravity == UndefinedGravity)
        (void) CloneString(&draw_info->geometry,geometry);
      status=GetMultilineTypeMetrics(image,draw_info,&metrics);
      image->rows=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
    }
  if (image_info->pointsize == 0.0)
    {
      double
        high,
        low;

      /*
        Auto fit text into bounding box.
      */
      for ( ; ; draw_info->pointsize*=2.0)
      {
        (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
          -metrics.bounds.x1,metrics.ascent);
        if (draw_info->gravity == UndefinedGravity)
          (void) CloneString(&draw_info->geometry,geometry);
        status=GetMultilineTypeMetrics(image,draw_info,&metrics);
        (void) status;
        width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
        height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
        if ((width >= image->columns) && (height >= image->rows))
          break;
        if ((width >= (image->columns << 1)) || (height >= (image->rows << 1)))
          break;
      }
      high=draw_info->pointsize/2.0;
      for (low=high/2.0; (high-low) > 1.0; )
      {
        draw_info->pointsize=(low+high)/2.0;
        (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
          -metrics.bounds.x1,metrics.ascent);
        if (draw_info->gravity == UndefinedGravity)
          (void) CloneString(&draw_info->geometry,geometry);
        status=GetMultilineTypeMetrics(image,draw_info,&metrics);
        width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
        height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
        if ((width <= image->columns) && (height <= image->rows))
          low=draw_info->pointsize+1.0;
        else
          high=draw_info->pointsize-1.0;
      }
      for (draw_info->pointsize=(low+high)/2.0; (high-low) > 1.0; )
      {
        (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
          -metrics.bounds.x1,metrics.ascent);
        if (draw_info->gravity == UndefinedGravity)
          (void) CloneString(&draw_info->geometry,geometry);
        status=GetMultilineTypeMetrics(image,draw_info,&metrics);
        width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
        height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
        if ((width <= image->columns) && (height <= image->rows))
          break;
        draw_info->pointsize--;
      }
      draw_info->pointsize=floor(draw_info->pointsize+0.5);
    }
  status=GetMultilineTypeMetrics(image,draw_info,&metrics);
  if (status == MagickFalse)
    {
      InheritException(exception,&image->exception);
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  if (draw_info->gravity == UndefinedGravity)
    {
      (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
        -metrics.bounds.x1+draw_info->stroke_width/2.0,metrics.ascent+
        draw_info->stroke_width/2.0);
      (void) CloneString(&draw_info->geometry,geometry);
    }
  if (draw_info->direction == RightToLeftDirection)
    {
      if (draw_info->direction == RightToLeftDirection)
        (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
          image->columns-(metrics.bounds.x2+draw_info->stroke_width/2.0),
          metrics.ascent+draw_info->stroke_width/2.0);
      (void) CloneString(&draw_info->geometry,geometry);
    }
  if (SetImageBackgroundColor(image) == MagickFalse)
    {
      InheritException(exception,&image->exception);
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  (void) AnnotateImage(image,draw_info);
  if (image_info->pointsize == 0.0)
    {
      char
        pointsize[MaxTextExtent];

      (void) FormatLocaleString(pointsize,MaxTextExtent,"%.20g",
        draw_info->pointsize);
      (void) SetImageProperty(image,"label:pointsize",pointsize);
    }
  draw_info=DestroyDrawInfo(draw_info);
  return(GetFirstImageInList(image));
}
コード例 #8
0
ファイル: pcl.c プロジェクト: 278443820/ImageMagick
static MagickBooleanType WritePCLImage(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
  char
    buffer[MagickPathExtent];

  CompressionType
    compression;

  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 == MagickCoreSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickCoreSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickCoreSignature);
  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
  {
    /*
      Initialize the printer.
    */
    (void) TransformImageColorspace(image,sRGBColorspace,exception);
    (void) WriteBlobString(image,"\033E");  /* printer reset */
    (void) WriteBlobString(image,"\033*r3F");  /* set presentation mode */
    (void) FormatLocaleString(buffer,MagickPathExtent,"\033*r%.20gs%.20gT",
      (double) image->columns,(double) image->rows);
    (void) WriteBlobString(image,buffer);
    (void) FormatLocaleString(buffer,MagickPathExtent,"\033*t%.20gR",(double)
      density);
    (void) WriteBlobString(image,buffer);
    (void) WriteBlobString(image,"\033&l0E");  /* top margin 0 */
    if (SetImageMonochrome(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,MagickPathExtent,
              "\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,MagickPathExtent,"\033*v%.20gI",
              (double) i);
            (void) WriteBlobString(image,buffer);
          }
        }
    option=GetImageOption(image_info,"pcl:fit-to-page");
    if (IsStringTrue(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;

    compression=UndefinedCompression;
    if (image_info->compression != UndefinedCompression)
      compression=image_info->compression;
    switch (compression)
    {
      case NoCompression:
      {
        (void) FormatLocaleString(buffer,MagickPathExtent,"\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,MagickPathExtent,"\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,MagickPathExtent,"\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 (GetPixelLuma(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);
          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 (compression)
      {
        case NoCompression:
        {
          (void) FormatLocaleString(buffer,MagickPathExtent,"\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,MagickPathExtent,"\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,MagickPathExtent,"\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 (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 #9
0
ファイル: uil.c プロジェクト: Ladeira/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e U I L I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Procedure WriteUILImage() writes an image to a file in the X-Motif UIL table
%  format.
%
%  The format of the WriteUILImage method is:
%
%      MagickBooleanType WriteUILImage(const ImageInfo *image_info,
%        Image *image,ExceptionInfo *exception)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteUILImage(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
#define MaxCixels  92

  char
    basename[MaxTextExtent],
    buffer[MaxTextExtent],
    name[MaxTextExtent],
    *symbol;

  int
    j;

  MagickBooleanType
    status,
    transparent;

  MagickSizeType
    number_pixels;

  PixelInfo
    pixel;

  register const Quantum
    *p;

  register ssize_t
    i,
    x;

  size_t
    characters_per_pixel,
    colors;

  ssize_t
    k,
    y;

  static const char
    Cixel[MaxCixels+1] = " [email protected]#$%&*=-;:>,<1234567890qwertyuipasdfghjk"
                         "lzxcvbnmMNBVCZASDFGHJKLPIUYTREWQ!~^/()_`'][{}|";

  /*
    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);
  if (IsRGBColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace,exception);
  transparent=MagickFalse;
  i=0;
  p=(const Quantum *) NULL;
  if (image->storage_class == PseudoClass)
    colors=image->colors;
  else
    {
      unsigned char
        *matte_image;

      /*
        Convert DirectClass to PseudoClass image.
      */
      matte_image=(unsigned char *) NULL;
      if (image->matte != MagickFalse)
        {
          /*
            Map all the transparent pixels.
          */
          number_pixels=(MagickSizeType) image->columns*image->rows;
          if (number_pixels != ((MagickSizeType) (size_t) number_pixels))
            ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
          matte_image=(unsigned char *) AcquireQuantumMemory(image->columns,
            image->rows*sizeof(*matte_image));
          if (matte_image == (unsigned char *) NULL)
            ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
          for (y=0; y < (ssize_t) image->rows; y++)
          {
            p=GetVirtualPixels(image,0,y,image->columns,1,exception);
            if (p == (const Quantum *) NULL)
              break;
            for (x=0; x < (ssize_t) image->columns; x++)
            {
              matte_image[i]=(unsigned char) (GetPixelAlpha(image,p) ==
                (Quantum) TransparentAlpha ? 1 : 0);
              if (matte_image[i] != 0)
                transparent=MagickTrue;
              i++;
              p+=GetPixelChannels(image);
            }
          }
        }
      (void) SetImageType(image,PaletteType,exception);
      colors=image->colors;
      if (transparent != MagickFalse)
        {
          register Quantum
            *q;

          colors++;
          for (y=0; y < (ssize_t) image->rows; y++)
          {
            q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
            if (q == (Quantum *) NULL)
              break;
            for (x=0; x < (ssize_t) image->columns; x++)
            {
              if (matte_image[i] != 0)
                SetPixelIndex(image,image->colors,q);
              p++;
              q+=GetPixelChannels(image);
            }
          }
        }
      if (matte_image != (unsigned char *) NULL)
        matte_image=(unsigned char *) RelinquishMagickMemory(matte_image);
    }
  /*
    Compute the character per pixel.
  */
  characters_per_pixel=1;
  for (k=MaxCixels; (ssize_t) colors > k; k*=MaxCixels)
    characters_per_pixel++;
  /*
    UIL header.
  */
  symbol=AcquireString("");
  (void) WriteBlobString(image,"/* UIL */\n");
  GetPathComponent(image->filename,BasePath,basename);
  (void) FormatLocaleString(buffer,MaxTextExtent,
    "value\n  %s_ct : color_table(\n",basename);
  (void) WriteBlobString(image,buffer);
  GetPixelInfo(image,&pixel);
  for (i=0; i < (ssize_t) colors; i++)
  {
    /*
      Define UIL color.
    */
    pixel=image->colormap[i];
    pixel.colorspace=RGBColorspace;
    pixel.depth=8;
    pixel.alpha=(MagickRealType) OpaqueAlpha;
    GetColorTuple(&pixel,MagickTrue,name);
    if (transparent != MagickFalse)
      if (i == (ssize_t) (colors-1))
        (void) CopyMagickString(name,"None",MaxTextExtent);
    /*
      Write UIL color.
    */
    k=i % MaxCixels;
    symbol[0]=Cixel[k];
    for (j=1; j < (int) characters_per_pixel; j++)
    {
      k=((i-k)/MaxCixels) % MaxCixels;
      symbol[j]=Cixel[k];
    }
    symbol[j]='\0';
    (void) SubstituteString(&symbol,"'","''");
    if (LocaleCompare(name,"None") == 0)
      (void) FormatLocaleString(buffer,MaxTextExtent,
        "    background color = '%s'",symbol);
    else
      (void) FormatLocaleString(buffer,MaxTextExtent,
        "    color('%s',%s) = '%s'",name,
        GetPixelInfoIntensity(image->colormap+i) <
        ((Quantum) QuantumRange/2) ? "background" : "foreground",symbol);
    (void) WriteBlobString(image,buffer);
    (void) FormatLocaleString(buffer,MaxTextExtent,"%s",
      (i == (ssize_t) (colors-1) ? ");\n" : ",\n"));
    (void) WriteBlobString(image,buffer);
  }
  /*
    Define UIL pixels.
  */
  GetPathComponent(image->filename,BasePath,basename);
  (void) FormatLocaleString(buffer,MaxTextExtent,
    "  %s_icon : icon(color_table = %s_ct,\n",basename,basename);
  (void) WriteBlobString(image,buffer);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    p=GetVirtualPixels(image,0,y,image->columns,1,exception);
    if (p == (const Quantum *) NULL)
      break;
    (void) WriteBlobString(image,"    \"");
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      k=((ssize_t) GetPixelIndex(image,p) % MaxCixels);
      symbol[0]=Cixel[k];
      for (j=1; j < (int) characters_per_pixel; j++)
      {
        k=(((int) GetPixelIndex(image,p)-k)/MaxCixels) %
          MaxCixels;
        symbol[j]=Cixel[k];
      }
      symbol[j]='\0';
      (void) CopyMagickString(buffer,symbol,MaxTextExtent);
      (void) WriteBlobString(image,buffer);
      p+=GetPixelChannels(image);
    }
    (void) FormatLocaleString(buffer,MaxTextExtent,"\"%s\n",
      (y == (ssize_t) (image->rows-1) ? ");" : ","));
    (void) WriteBlobString(image,buffer);
    status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
  symbol=DestroyString(symbol);
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #10
0
ファイル: label.c プロジェクト: riingo/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d L A B E L I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadLABELImage() reads a LABEL 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 ReadLABELImage method is:
%
%      Image *ReadLABELImage(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 *ReadLABELImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  char
    geometry[MagickPathExtent],
    *property;

  const char
    *label;

  DrawInfo
    *draw_info;

  Image
    *image;

  MagickBooleanType
    status;

  TypeMetric
    metrics;

  size_t
    height,
    width;

  /*
    Initialize Image structure.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickCoreSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickCoreSignature);
  image=AcquireImage(image_info,exception);
  (void) ResetImagePage(image,"0x0+0+0");
  property=InterpretImageProperties((ImageInfo *) image_info,image,
    image_info->filename,exception);
  (void) SetImageProperty(image,"label",property,exception);
  property=DestroyString(property);
  label=GetImageProperty(image,"label",exception);
  draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
  draw_info->text=ConstantString(label);
  metrics.width=0;
  metrics.ascent=0.0;
  status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
  if ((image->columns == 0) && (image->rows == 0))
    {
      image->columns=(size_t) (metrics.width+draw_info->stroke_width+0.5);
      image->rows=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
    }
  else
    if (((image->columns == 0) || (image->rows == 0)) ||
        (fabs(image_info->pointsize) < MagickEpsilon))
      {
        double
          high,
          low;

        /*
          Auto fit text into bounding box.
        */
        for ( ; ; draw_info->pointsize*=2.0)
        {
          (void) FormatLocaleString(geometry,MagickPathExtent,"%+g%+g",
            -metrics.bounds.x1,metrics.ascent);
          if (draw_info->gravity == UndefinedGravity)
            (void) CloneString(&draw_info->geometry,geometry);
          status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
          width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
          height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
          if ((image->columns != 0) && (image->rows != 0))
            {
              if ((width >= image->columns) && (height >= image->rows))
                break;
            }
          else
            if (((image->columns != 0) && (width >= image->columns)) ||
                ((image->rows != 0) && (height >= image->rows)))
              break;
        }
        high=draw_info->pointsize;
        for (low=1.0; (high-low) > 0.5; )
        {
          draw_info->pointsize=(low+high)/2.0;
          (void) FormatLocaleString(geometry,MagickPathExtent,"%+g%+g",
            -metrics.bounds.x1,metrics.ascent);
          if (draw_info->gravity == UndefinedGravity)
            (void) CloneString(&draw_info->geometry,geometry);
          status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
          width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
          height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
          if ((image->columns != 0) && (image->rows != 0))
            {
              if ((width < image->columns) && (height < image->rows))
                low=draw_info->pointsize+0.5;
              else
                high=draw_info->pointsize-0.5;
            }
          else
            if (((image->columns != 0) && (width < image->columns)) ||
                ((image->rows != 0) && (height < image->rows)))
              low=draw_info->pointsize+0.5;
            else
              high=draw_info->pointsize-0.5;
        }
        draw_info->pointsize=(low+high)/2.0-0.5;
      }
   status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
   if (status == MagickFalse)
     {
      draw_info=DestroyDrawInfo(draw_info);
       image=DestroyImageList(image);
       return((Image *) NULL);
     }
  if (image->columns == 0)
    image->columns=(size_t) (metrics.width+draw_info->stroke_width+0.5);
  if (image->columns == 0)
    image->columns=(size_t) (draw_info->pointsize+draw_info->stroke_width+0.5);
  if (image->rows == 0)
    image->rows=(size_t) (metrics.ascent-metrics.descent+
      draw_info->stroke_width+0.5);
  if (image->rows == 0)
    image->rows=(size_t) (draw_info->pointsize+draw_info->stroke_width+0.5);
  status=SetImageExtent(image,image->columns,image->rows,exception);
  if (status == MagickFalse)
    {
      draw_info=DestroyDrawInfo(draw_info);
      return(DestroyImageList(image));
    }
  if (SetImageBackgroundColor(image,exception) == MagickFalse)
    {
      draw_info=DestroyDrawInfo(draw_info);
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Draw label.
  */
  (void) FormatLocaleString(geometry,MagickPathExtent,"%+g%+g",
    draw_info->direction == RightToLeftDirection ? image->columns-
    metrics.bounds.x2 : 0.0,draw_info->gravity == UndefinedGravity ?
    metrics.ascent : 0.0);
  draw_info->geometry=AcquireString(geometry);
  status=AnnotateImage(image,draw_info,exception);
  if (image_info->pointsize == 0.0)
    {
      char
        pointsize[MagickPathExtent];

      (void) FormatLocaleString(pointsize,MagickPathExtent,"%.20g",
        draw_info->pointsize);
      (void) SetImageProperty(image,"label:pointsize",pointsize,exception);
    }
  draw_info=DestroyDrawInfo(draw_info);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  return(GetFirstImageInList(image));
}
コード例 #11
0
ファイル: mtv.c プロジェクト: edalquist/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e M T V I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteMTVImage() writes an image to a file in red, green, and blue MTV
%  rasterfile format.
%
%  The format of the WriteMTVImage method is:
%
%      MagickBooleanType WriteMTVImage(const ImageInfo *image_info,
%        Image *image,ExceptionInfo *exception)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteMTVImage(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
  char
    buffer[MagickPathExtent];

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  register const Quantum
    *p;

  register ssize_t
    x;

  register unsigned char
    *q;

  ssize_t
    y;

  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);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  scene=0;
  do
  {
    /*
      Allocate memory for pixels.
    */
    (void) TransformImageColorspace(image,sRGBColorspace,exception);
    pixels=(unsigned char *) AcquireQuantumMemory(image->columns,
      3UL*sizeof(*pixels));
    if (pixels == (unsigned char *) NULL)
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    /*
      Initialize raster file header.
    */
    (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g %.20g\n",(double)
      image->columns,(double) image->rows);
    (void) WriteBlobString(image,buffer);
    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;
      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);
      }
      (void) WriteBlob(image,(size_t) (q-pixels),pixels);
      if (image->previous == (Image *) NULL)
        {
          status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
            image->rows);
          if (status == MagickFalse)
            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;
    scene++;
  } while (image_info->adjoin != MagickFalse);
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #12
0
ファイル: mpeg.c プロジェクト: CamiloBenavides/SnoutPoint-Web
static MagickBooleanType WriteMPEGImage(const ImageInfo *image_info,
  Image *image)
{
#define WriteMPEGIntermediateFormat "jpg"

  char
    basename[MaxTextExtent],
    filename[MaxTextExtent];

  double
    delay;

  Image
    *coalesce_image;

  ImageInfo
    *write_info;

  int
    file;

  MagickBooleanType
    status;

  register Image
    *p;

  register ssize_t
    i;

  size_t
    count,
    length,
    scene;

  unsigned char
    *blob;

  /*
    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);
  (void) CloseBlob(image);
  /*
    Write intermediate files.
  */
  coalesce_image=CoalesceImages(image,&image->exception);
  if (coalesce_image == (Image *) NULL)
    return(MagickFalse);
  file=AcquireUniqueFileResource(basename);
  if (file != -1)
    file=close(file)-1;
  (void) FormatLocaleString(coalesce_image->filename,MaxTextExtent,"%s",
    basename);
  count=0;
  write_info=CloneImageInfo(image_info);
  *write_info->magick='\0';
  for (p=coalesce_image; p != (Image *) NULL; p=GetNextImageInList(p))
  {
    char
      previous_image[MaxTextExtent];

    blob=(unsigned char *) NULL;
    length=0;
    scene=p->scene;
    delay=100.0*p->delay/MagickMax(1.0*p->ticks_per_second,1.0);
    for (i=0; i < (ssize_t) MagickMax((1.0*delay+1.0)/3.0,1.0); i++)
    {
      p->scene=count;
      count++;
      status=MagickFalse;
      switch (i)
      {
        case 0:
        {
          Image
            *frame;

          (void) FormatLocaleString(p->filename,MaxTextExtent,"%s%.20g.%s",
            basename,(double) p->scene,WriteMPEGIntermediateFormat);
          (void) FormatLocaleString(filename,MaxTextExtent,"%s%.20g.%s",
            basename,(double) p->scene,WriteMPEGIntermediateFormat);
          (void) FormatLocaleString(previous_image,MaxTextExtent,
            "%s%.20g.%s",basename,(double) p->scene,
            WriteMPEGIntermediateFormat);
          frame=CloneImage(p,0,0,MagickTrue,&p->exception);
          if (frame == (Image *) NULL)
            break;
          status=WriteImage(write_info,frame);
          frame=DestroyImage(frame);
          break;
        }
        case 1:
        {
          blob=(unsigned char *) FileToBlob(previous_image,~0UL,&length,
            &image->exception);
        }
        default:
        {
          (void) FormatLocaleString(filename,MaxTextExtent,"%s%.20g.%s",
            basename,(double) p->scene,WriteMPEGIntermediateFormat);
          if (length > 0)
            status=BlobToFile(filename,blob,length,&image->exception);
          break;
        }
      }
      if (image->debug != MagickFalse)
        {
          if (status != MagickFalse)
            (void) LogMagickEvent(CoderEvent,GetMagickModule(),
              "%.20g. Wrote %s file for scene %.20g:",(double) i,
              WriteMPEGIntermediateFormat,(double) p->scene);
          else
            (void) LogMagickEvent(CoderEvent,GetMagickModule(),
              "%.20g. Failed to write %s file for scene %.20g:",(double) i,
              WriteMPEGIntermediateFormat,(double) p->scene);
          (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%s",filename);
        }
    }
    p->scene=scene;
    if (blob != (unsigned char *) NULL)
      blob=(unsigned char *) RelinquishMagickMemory(blob);
    if (status == MagickFalse)
      break;
  }
  /*
    Convert JPEG to MPEG.
  */
  (void) CopyMagickString(coalesce_image->magick_filename,basename,
    MaxTextExtent);
  (void) CopyMagickString(coalesce_image->filename,basename,MaxTextExtent);
  GetPathComponent(image_info->filename,ExtensionPath,coalesce_image->magick);
  if (*coalesce_image->magick == '\0')
    (void) CopyMagickString(coalesce_image->magick,image->magick,MaxTextExtent);
  status=InvokeDelegate(write_info,coalesce_image,(char *) NULL,"mpeg:encode",
    &image->exception);
  (void) FormatLocaleString(write_info->filename,MaxTextExtent,"%s.%s",
    write_info->unique,coalesce_image->magick);
  status=CopyDelegateFile(write_info->filename,image->filename);
  (void) RelinquishUniqueFileResource(write_info->filename);
  write_info=DestroyImageInfo(write_info);
  /*
    Relinquish resources.
  */
  count=0;
  for (p=coalesce_image; p != (Image *) NULL; p=GetNextImageInList(p))
  {
    delay=100.0*p->delay/MagickMax(1.0*p->ticks_per_second,1.0);
    for (i=0; i < (ssize_t) MagickMax((1.0*delay+1.0)/3.0,1.0); i++)
    {
      (void) FormatLocaleString(p->filename,MaxTextExtent,"%s%.20g.%s",
        basename,(double) count++,WriteMPEGIntermediateFormat);
      (void) RelinquishUniqueFileResource(p->filename);
    }
    (void) CopyMagickString(p->filename,image_info->filename,MaxTextExtent);
  }
  (void) RelinquishUniqueFileResource(basename);
  coalesce_image=DestroyImageList(coalesce_image);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit");
  return(status);
}
コード例 #13
0
ファイル: wandcli.c プロジェクト: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
+   A c q u i r e W a n d C L I                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  AcquireMagickCLI() creates a new CLI wand (an expanded form of Magick
%  Wand). The given image_info and exception is included as is if provided.
%
%  Use DestroyMagickCLI() to dispose of the CLI wand when it is no longer
%  needed.
%
%  The format of the NewMagickWand method is:
%
%      MagickCLI *AcquireMagickCLI(ImageInfo *image_info,
%           ExceptionInfo *exception)
%
*/
WandExport MagickCLI *AcquireMagickCLI(ImageInfo *image_info,
    ExceptionInfo *exception)
{
  MagickCLI
    *cli_wand;

  /* precaution - as per NewMagickWand() */
  {
     size_t depth = MAGICKCORE_QUANTUM_DEPTH;
     const char *quantum = GetMagickQuantumDepth(&depth);
     if (depth != MAGICKCORE_QUANTUM_DEPTH)
       ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);
  }

  /* allocate memory for MgaickCLI */
  cli_wand=(MagickCLI *) AcquireMagickMemory(sizeof(*cli_wand));
  if (cli_wand == (MagickCLI *) NULL)
    {
      ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
        GetExceptionMessage(errno));
      return((MagickCLI *)NULL);
    }

  /* Initialize Wand Part of MagickCLI
     FUTURE: this is a repeat of code from NewMagickWand()
     However some parts may be given fro man external source!
  */
  cli_wand->wand.id=AcquireWandId();
  (void) FormatLocaleString(cli_wand->wand.name,MaxTextExtent,
           "%s-%.20g","MagickWandCLI", (double) cli_wand->wand.id);
  cli_wand->wand.images=NewImageList();
  if ( image_info == (ImageInfo *)NULL)
    cli_wand->wand.image_info=AcquireImageInfo();
  else
    cli_wand->wand.image_info=image_info;
  if ( exception == (ExceptionInfo *)NULL)
    cli_wand->wand.exception=AcquireExceptionInfo();
  else
    cli_wand->wand.exception=exception;
  cli_wand->wand.debug=IsEventLogging();
  cli_wand->wand.signature=WandSignature;

  /* Initialize CLI Part of MagickCLI */
  cli_wand->draw_info=CloneDrawInfo(cli_wand->wand.image_info,(DrawInfo *) NULL);
  cli_wand->quantize_info=AcquireQuantizeInfo(cli_wand->wand.image_info);
  cli_wand->process_flags=MagickCommandOptionFlags;  /* assume "magick" CLI */
  cli_wand->command=(const OptionInfo *)NULL;     /* no option at this time */
  cli_wand->image_list_stack=(Stack *)NULL;
  cli_wand->image_info_stack=(Stack *)NULL;

  /* default exception location...
     EG: sprintf(locaiton, filename, line, column);
  */
  cli_wand->location="from \"%s\"";   /* location format using arguments: */
                                      /*      filename, line, column */
  cli_wand->filename="unknown";       /* script filename, unknown source */
  cli_wand->line=0;                   /* line from script OR CLI argument */
  cli_wand->column=0;                 /* column from script */

  cli_wand->signature=WandSignature;
  if (IfMagickTrue(cli_wand->wand.debug))
    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",cli_wand->wand.name);
  return(cli_wand);
}
コード例 #14
0
ファイル: hdr.c プロジェクト: ChaseReid/ImageMagick
static MagickBooleanType WriteHDRImage(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
  char
    header[MaxTextExtent];

  const char
    *property;

  MagickBooleanType
    status;

  register const Quantum
    *p;

  register ssize_t
    i,
    x;

  size_t
    length;

  ssize_t
    count,
    y;

  unsigned char
    pixel[4],
    *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);
  if (IsRGBColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,RGBColorspace,exception);
  /*
    Write header.
  */
  (void) ResetMagickMemory(header,' ',MaxTextExtent);
  length=CopyMagickString(header,"#?RGBE\n",MaxTextExtent);
  (void) WriteBlob(image,length,(unsigned char *) header);
  property=GetImageProperty(image,"comment",exception);
  if ((property != (const char *) NULL) &&
      (strchr(property,'\n') == (char *) NULL))
    {
      count=FormatLocaleString(header,MaxTextExtent,"#%s\n",property);
      (void) WriteBlob(image,(size_t) count,(unsigned char *) header);
    }
  property=GetImageProperty(image,"hdr:exposure",exception);
  if (property != (const char *) NULL)
    {
      count=FormatLocaleString(header,MaxTextExtent,"EXPOSURE=%g\n",
        atof(property));
      (void) WriteBlob(image,(size_t) count,(unsigned char *) header);
    }
  if (image->gamma != 0.0)
    {
      count=FormatLocaleString(header,MaxTextExtent,"GAMMA=%g\n",image->gamma);
      (void) WriteBlob(image,(size_t) count,(unsigned char *) header);
    }
  count=FormatLocaleString(header,MaxTextExtent,
    "PRIMARIES=%g %g %g %g %g %g %g %g\n",
    image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
    image->chromaticity.green_primary.x,image->chromaticity.green_primary.y,
    image->chromaticity.blue_primary.x,image->chromaticity.blue_primary.y,
    image->chromaticity.white_point.x,image->chromaticity.white_point.y);
  (void) WriteBlob(image,(size_t) count,(unsigned char *) header);
  length=CopyMagickString(header,"FORMAT=32-bit_rle_rgbe\n\n",MaxTextExtent);
  (void) WriteBlob(image,length,(unsigned char *) header);
  count=FormatLocaleString(header,MaxTextExtent,"-Y %.20g +X %.20g\n",
    (double) image->rows,(double) image->columns);
  (void) WriteBlob(image,(size_t) count,(unsigned char *) header);
  /*
    Write HDR pixels.
  */
  pixels=(unsigned char *) AcquireQuantumMemory(image->columns,4*
    sizeof(*pixels));
  if (pixels == (unsigned char *) NULL)
    ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    p=GetVirtualPixels(image,0,y,image->columns,1,exception);
    if (p == (const Quantum *) NULL)
      break;
    if ((image->columns >= 8) && (image->columns <= 0x7ffff))
      {
        pixel[0]=2;
        pixel[1]=2;
        pixel[2]=(unsigned char) (image->columns >> 8);
        pixel[3]=(unsigned char) (image->columns & 0xff);
        count=WriteBlob(image,4*sizeof(*pixel),pixel);
        if (count != (ssize_t) (4*sizeof(*pixel)))
          break;
      }
    i=0;
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      double
        gamma;

      pixel[0]=0;
      pixel[1]=0;
      pixel[2]=0;
      pixel[3]=0;
      gamma=QuantumScale*GetPixelRed(image,p);
      if ((QuantumScale*GetPixelGreen(image,p)) > gamma)
        gamma=QuantumScale*GetPixelGreen(image,p);
      if ((QuantumScale*GetPixelBlue(image,p)) > gamma)
        gamma=QuantumScale*GetPixelBlue(image,p);
      if (gamma > MagickEpsilon)
        {
          int
            exponent;

          gamma=frexp(gamma,&exponent)*256.0/gamma;
          pixel[0]=(unsigned char) (gamma*QuantumScale*GetPixelRed(image,p));
          pixel[1]=(unsigned char) (gamma*QuantumScale*GetPixelGreen(image,p));
          pixel[2]=(unsigned char) (gamma*QuantumScale*GetPixelBlue(image,p));
          pixel[3]=(unsigned char) (exponent+128);
        }
      if ((image->columns >= 8) && (image->columns <= 0x7ffff))
        {
          pixels[x]=pixel[0];
          pixels[x+image->columns]=pixel[1];
          pixels[x+2*image->columns]=pixel[2];
          pixels[x+3*image->columns]=pixel[3];
        }
      else
        {
          pixels[i++]=pixel[0];
          pixels[i++]=pixel[1];
          pixels[i++]=pixel[2];
          pixels[i++]=pixel[3];
        }
      p+=GetPixelChannels(image);
    }
    if ((image->columns >= 8) && (image->columns <= 0x7ffff))
      {
        for (i=0; i < 4; i++)
          length=HDRWriteRunlengthPixels(image,&pixels[i*image->columns]);
      }
    else
      {
        count=WriteBlob(image,4*image->columns*sizeof(*pixel),pixel);
        if (count != (ssize_t) (4*image->columns*sizeof(*pixel)))
          break;
      }
    status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
コード例 #15
0
ファイル: analyze.c プロジェクト: dadsez/SnoutPoint-Networks
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   a n a l y z e I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  analyzeImage() computes the brightness and saturation mean,  standard
%  deviation, kurtosis and skewness and stores these values as attributes
%  of the image.
%
%  The format of the analyzeImage method is:
%
%      size_t analyzeImage(Image *images,const int argc,
%        char **argv,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image: the address of a structure of type Image.
%
%    o argc: Specifies a pointer to an integer describing the number of
%      elements in the argument vector.
%
%    o argv: Specifies a pointer to a text array containing the command line
%      arguments.
%
%    o exception: return any errors or warnings in this structure.
%
*/
ModuleExport size_t analyzeImage(Image **images,const int argc,
                                 const char **argv,ExceptionInfo *exception)
{
    char
    text[MaxTextExtent];

    double
    area,
    brightness,
    brightness_mean,
    brightness_standard_deviation,
    brightness_kurtosis,
    brightness_skewness,
    brightness_sum_x,
    brightness_sum_x2,
    brightness_sum_x3,
    brightness_sum_x4,
    hue,
    saturation,
    saturation_mean,
    saturation_standard_deviation,
    saturation_kurtosis,
    saturation_skewness,
    saturation_sum_x,
    saturation_sum_x2,
    saturation_sum_x3,
    saturation_sum_x4;

    Image
    *image;

    assert(images != (Image **) NULL);
    assert(*images != (Image *) NULL);
    assert((*images)->signature == MagickSignature);
    (void) argc;
    (void) argv;
    image=(*images);
    for ( ; image != (Image *) NULL; image=GetNextImageInList(image))
    {
        CacheView
        *image_view;

        ssize_t
        y;

        MagickBooleanType
        status;

        brightness_sum_x=0.0;
        brightness_sum_x2=0.0;
        brightness_sum_x3=0.0;
        brightness_sum_x4=0.0;
        brightness_mean=0.0;
        brightness_standard_deviation=0.0;
        brightness_kurtosis=0.0;
        brightness_skewness=0.0;
        saturation_sum_x=0.0;
        saturation_sum_x2=0.0;
        saturation_sum_x3=0.0;
        saturation_sum_x4=0.0;
        saturation_mean=0.0;
        saturation_standard_deviation=0.0;
        saturation_kurtosis=0.0;
        saturation_skewness=0.0;
        area=0.0;
        status=MagickTrue;
        image_view=AcquireVirtualCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
        #pragma omp parallel for schedule(static,4) shared(status) \
        magick_threads(image,image,image->rows,1)
#endif
        for (y=0; y < (ssize_t) image->rows; y++)
        {
            register const PixelPacket
            *p;

            register ssize_t
            x;

            if (status == MagickFalse)
                continue;
            p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
            if (p == (const PixelPacket *) NULL)
            {
                status=MagickFalse;
                continue;
            }
            for (x=0; x < (ssize_t) image->columns; x++)
            {
                ConvertRGBToHSB(GetPixelRed(p),GetPixelGreen(p),GetPixelBlue(p),
                                &hue,&saturation,&brightness);
                brightness*=QuantumRange;
                brightness_sum_x+=brightness;
                brightness_sum_x2+=brightness*brightness;
                brightness_sum_x3+=brightness*brightness*brightness;
                brightness_sum_x4+=brightness*brightness*brightness*brightness;
                saturation*=QuantumRange;
                saturation_sum_x+=saturation;
                saturation_sum_x2+=saturation*saturation;
                saturation_sum_x3+=saturation*saturation*saturation;
                saturation_sum_x4+=saturation*saturation*saturation*saturation;
                area++;
                p++;
            }
        }
        image_view=DestroyCacheView(image_view);
        if (area <= 0.0)
            break;
        brightness_mean=brightness_sum_x/area;
        (void) FormatLocaleString(text,MaxTextExtent,"%g",brightness_mean);
        (void) SetImageProperty(image,"filter:brightness:mean",text);
        brightness_standard_deviation=sqrt(brightness_sum_x2/area-(brightness_sum_x/
                                           area*brightness_sum_x/area));
        (void) FormatLocaleString(text,MaxTextExtent,"%g",
                                  brightness_standard_deviation);
        (void) SetImageProperty(image,"filter:brightness:standard-deviation",text);
        if (brightness_standard_deviation != 0)
            brightness_kurtosis=(brightness_sum_x4/area-4.0*brightness_mean*
                                 brightness_sum_x3/area+6.0*brightness_mean*brightness_mean*
                                 brightness_sum_x2/area-3.0*brightness_mean*brightness_mean*
                                 brightness_mean*brightness_mean)/(brightness_standard_deviation*
                                         brightness_standard_deviation*brightness_standard_deviation*
                                         brightness_standard_deviation)-3.0;
        (void) FormatLocaleString(text,MaxTextExtent,"%g",brightness_kurtosis);
        (void) SetImageProperty(image,"filter:brightness:kurtosis",text);
        if (brightness_standard_deviation != 0)
            brightness_skewness=(brightness_sum_x3/area-3.0*brightness_mean*
                                 brightness_sum_x2/area+2.0*brightness_mean*brightness_mean*
                                 brightness_mean)/(brightness_standard_deviation*
                                                   brightness_standard_deviation*brightness_standard_deviation);
        (void) FormatLocaleString(text,MaxTextExtent,"%g",brightness_skewness);
        (void) SetImageProperty(image,"filter:brightness:skewness",text);
        saturation_mean=saturation_sum_x/area;
        (void) FormatLocaleString(text,MaxTextExtent,"%g",saturation_mean);
        (void) SetImageProperty(image,"filter:saturation:mean",text);
        saturation_standard_deviation=sqrt(saturation_sum_x2/area-(saturation_sum_x/
                                           area*saturation_sum_x/area));
        (void) FormatLocaleString(text,MaxTextExtent,"%g",
                                  saturation_standard_deviation);
        (void) SetImageProperty(image,"filter:saturation:standard-deviation",text);
        if (saturation_standard_deviation != 0)
            saturation_kurtosis=(saturation_sum_x4/area-4.0*saturation_mean*
                                 saturation_sum_x3/area+6.0*saturation_mean*saturation_mean*
                                 saturation_sum_x2/area-3.0*saturation_mean*saturation_mean*
                                 saturation_mean*saturation_mean)/(saturation_standard_deviation*
                                         saturation_standard_deviation*saturation_standard_deviation*
                                         saturation_standard_deviation)-3.0;
        (void) FormatLocaleString(text,MaxTextExtent,"%g",saturation_kurtosis);
        (void) SetImageProperty(image,"filter:saturation:kurtosis",text);
        if (saturation_standard_deviation != 0)
            saturation_skewness=(saturation_sum_x3/area-3.0*saturation_mean*
                                 saturation_sum_x2/area+2.0*saturation_mean*saturation_mean*
                                 saturation_mean)/(saturation_standard_deviation*
                                                   saturation_standard_deviation*saturation_standard_deviation);
        (void) FormatLocaleString(text,MaxTextExtent,"%g",saturation_skewness);
        (void) SetImageProperty(image,"filter:saturation:skewness",text);
    }
    return(MagickImageFilterSignature);
}
コード例 #16
0
ファイル: label.c プロジェクト: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d L A B E L I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadLABELImage() reads a LABEL 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 ReadLABELImage method is:
%
%      Image *ReadLABELImage(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 *ReadLABELImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  char
    geometry[MaxTextExtent],
    *property;

  const char
    *label;

  DrawInfo
    *draw_info;

  Image
    *image;

  MagickBooleanType
    status;

  TypeMetric
    metrics;

  size_t
    height,
    width;

  /*
    Initialize 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);
  (void) ResetImagePage(image,"0x0+0+0");
  property=InterpretImageProperties(image_info,image,image_info->filename);
  (void) SetImageProperty(image,"label",property);
  property=DestroyString(property);
  label=GetImageProperty(image,"label");
  draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
  draw_info->text=ConstantString(label);
  if (((image->columns != 0) || (image->rows != 0)) &&
      (image_info->pointsize == 0.0))
    {
      /*
        Fit label to canvas size.
      */
      status=GetMultilineTypeMetrics(image,draw_info,&metrics);
      for ( ; status != MagickFalse; draw_info->pointsize*=2.0)
      {
        width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
        height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
        if (((image->columns != 0) && (width > (image->columns+1))) ||
            ((image->rows != 0) && (height > (image->rows+1))))
          break;
        status=GetMultilineTypeMetrics(image,draw_info,&metrics);
      }
      for ( ; status != MagickFalse; draw_info->pointsize--)
      {
        width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
        height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
        if ((image->columns != 0) && (width <= (image->columns+1)) &&
           ((image->rows == 0) || (height <= (image->rows+1))))
          break;
        if ((image->rows != 0) && (height <= (image->rows+1)) &&
           ((image->columns == 0) || (width <= (image->columns+1))))
          break;
        if (draw_info->pointsize < 2.0)
          break;
        status=GetMultilineTypeMetrics(image,draw_info,&metrics);
      }
    }
  status=GetMultilineTypeMetrics(image,draw_info,&metrics);
  if (status == MagickFalse)
    {
      InheritException(exception,&image->exception);
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  if (image->columns == 0)
    image->columns=(size_t) (metrics.width+draw_info->stroke_width+1.5);
  if (image->columns == 0)
    image->columns=(size_t) (draw_info->pointsize+draw_info->stroke_width+1.5);
  if ((draw_info->gravity == UndefinedGravity) ||
      (draw_info->direction == RightToLeftDirection))
    {
      (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
        -metrics.bounds.x1+draw_info->stroke_width/2.0,metrics.ascent+
        draw_info->stroke_width/2.0);
      if (draw_info->direction == RightToLeftDirection)
        (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
          image->columns-(metrics.bounds.x2+draw_info->stroke_width/2.0),
          metrics.ascent+draw_info->stroke_width/2.0);
      draw_info->geometry=AcquireString(geometry);
    }
  if (image->rows == 0)
    image->rows=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
  if (image->rows == 0)
    image->rows=(size_t) floor(draw_info->pointsize+draw_info->stroke_width+
      0.5);
  if (SetImageBackgroundColor(image) == MagickFalse)
    {
      InheritException(exception,&image->exception);
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  (void) AnnotateImage(image,draw_info);
  if (image_info->pointsize == 0.0)
    {
      char
        pointsize[MaxTextExtent];

      (void) FormatLocaleString(pointsize,MaxTextExtent,"%.20g",
        draw_info->pointsize);
      (void) SetImageProperty(image,"label:pointsize",pointsize);
    }
  draw_info=DestroyDrawInfo(draw_info);
  return(GetFirstImageInList(image));
}
コード例 #17
0
ファイル: caption.c プロジェクト: UIKit0/YoyaMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d C A P T I O N I m a g e                                           %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadCAPTIONImage() reads a CAPTION 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 ReadCAPTIONImage method is:
%
%      Image *ReadCAPTIONImage(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 *ReadCAPTIONImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  char
    *caption,
    geometry[MaxTextExtent],
    *property,
    *text;

  const char
    *gravity,
    *option;

  DrawInfo
    *draw_info;

  Image
    *image;

  MagickBooleanType
    split,
    status;

  register ssize_t
    i;

  size_t
    height,
    width;

  TypeMetric
    metrics;

  /*
    Initialize 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);
  (void) ResetImagePage(image,"0x0+0+0");
  /*
    Format caption.
  */
  option=GetImageOption(image_info,"filename");
  if (option == (const char *) NULL)
    property=InterpretImageProperties(image_info,image,image_info->filename);
  else
    if (LocaleNCompare(option,"caption:",8) == 0)
      property=InterpretImageProperties(image_info,image,option+8);
    else
      property=InterpretImageProperties(image_info,image,option);
  (void) SetImageProperty(image,"caption",property);
  property=DestroyString(property);
  caption=ConstantString(GetImageProperty(image,"caption"));
  draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
  (void) CloneString(&draw_info->text,caption);
  gravity=GetImageOption(image_info,"gravity");
  if (gravity != (char *) NULL)
    draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
      MagickFalse,gravity);
  split=MagickFalse;
  if (image->columns == 0)
    {
      text=AcquireString(caption);
      i=FormatMagickCaption(image,draw_info,split,&metrics,&text);
      (void) CloneString(&draw_info->text,text);
      text=DestroyString(text);
      (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
        -metrics.bounds.x1,metrics.ascent);
      if (draw_info->gravity == UndefinedGravity)
        (void) CloneString(&draw_info->geometry,geometry);
      status=GetMultilineTypeMetrics(image,draw_info,&metrics);
      width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
      image->columns=width;
    }
  if (image->rows == 0)
    {
      split=MagickTrue;
      text=AcquireString(caption);
      i=FormatMagickCaption(image,draw_info,split,&metrics,&text);
      (void) CloneString(&draw_info->text,text);
      text=DestroyString(text);
      (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
        -metrics.bounds.x1,metrics.ascent);
      if (draw_info->gravity == UndefinedGravity)
        (void) CloneString(&draw_info->geometry,geometry);
      status=GetMultilineTypeMetrics(image,draw_info,&metrics);
      image->rows=(size_t) ((i+1)*(metrics.ascent-metrics.descent+
        draw_info->interline_spacing+draw_info->stroke_width)+0.5);
    }
  if (fabs(image_info->pointsize) < MagickEpsilon)
    {
      double
        high,
        low;

      /*
        Auto fit text into bounding box.
      */
      for ( ; ; draw_info->pointsize*=2.0)
      {
        text=AcquireString(caption);
        i=FormatMagickCaption(image,draw_info,split,&metrics,&text);
        (void) CloneString(&draw_info->text,text);
        text=DestroyString(text);
        (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
          -metrics.bounds.x1,metrics.ascent);
        if (draw_info->gravity == UndefinedGravity)
          (void) CloneString(&draw_info->geometry,geometry);
        status=GetMultilineTypeMetrics(image,draw_info,&metrics);
        (void) status;
        width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
        height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
        if ((image->columns != 0) && (image->rows != 0))
          {
            if ((width >= image->columns) && (height >= image->rows))
              break;
          }
        else
          if (((image->columns != 0) && (width >= image->columns)) ||
              ((image->rows != 0) && (height >= image->rows)))
            break;
      }
      high=draw_info->pointsize;
      for (low=1.0; (high-low) > 0.5; )
      {
        draw_info->pointsize=(low+high)/2.0;
        text=AcquireString(caption);
        i=FormatMagickCaption(image,draw_info,split,&metrics,&text);
        (void) CloneString(&draw_info->text,text);
        text=DestroyString(text);
        (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
          -metrics.bounds.x1,metrics.ascent);
        if (draw_info->gravity == UndefinedGravity)
          (void) CloneString(&draw_info->geometry,geometry);
        status=GetMultilineTypeMetrics(image,draw_info,&metrics);
        width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
        height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
        if ((image->columns != 0) && (image->rows != 0))
          {
            if ((width < image->columns) && (height < image->rows))
              low=draw_info->pointsize+0.5;
            else
              high=draw_info->pointsize-0.5;
          }
        else
          if (((image->columns != 0) && (width < image->columns)) ||
              ((image->rows != 0) && (height < image->rows)))
            low=draw_info->pointsize+0.5;
          else
            high=draw_info->pointsize-0.5;
      }
      draw_info->pointsize=(low+high)/2.0-0.5;
    }
  (void) CloneString(&draw_info->text,caption);
  i=FormatMagickCaption(image,draw_info,split,&metrics,&caption);
  if (SetImageBackgroundColor(image) == MagickFalse)
    {
      InheritException(exception,&image->exception);
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Draw caption.
  */
  (void) CloneString(&draw_info->text,caption);
  status=GetMultilineTypeMetrics(image,draw_info,&metrics);
  if ((draw_info->gravity != UndefinedGravity) &&
      (draw_info->direction != RightToLeftDirection))
    image->page.x=(ssize_t) (metrics.bounds.x1-draw_info->stroke_width/2.0);
  else
    {
      (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
        -metrics.bounds.x1+draw_info->stroke_width/2.0,metrics.ascent+
        draw_info->stroke_width/2.0);
      if (draw_info->direction == RightToLeftDirection)
        (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
          image->columns-(metrics.bounds.x2+draw_info->stroke_width/2.0),
          metrics.ascent+draw_info->stroke_width/2.0);
      draw_info->geometry=AcquireString(geometry);
    }
  status=AnnotateImage(image,draw_info);
  draw_info=DestroyDrawInfo(draw_info);
  caption=DestroyString(caption);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  return(GetFirstImageInList(image));
}
コード例 #18
0
ファイル: histogram.c プロジェクト: 0xPr0xy/ImageMagick
static MagickBooleanType WriteHISTOGRAMImage(const ImageInfo *image_info,
  Image *image)
{
#define HistogramDensity  "256x200"

  ChannelType
    channel;

  char
    filename[MaxTextExtent];

  const char
    *option;

  ExceptionInfo
    *exception;

  Image
    *histogram_image;

  ImageInfo
    *write_info;

  MagickBooleanType
    status;

  MagickPixelPacket
    *histogram;

  MagickRealType
    maximum,
    scale;

  RectangleInfo
    geometry;

  register const PixelPacket
    *p;

  register PixelPacket
    *q,
    *r;

  register ssize_t
    x;

  size_t
    length;

  ssize_t
    y;

  /*
    Allocate histogram image.
  */
  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_info->filename);
  SetGeometry(image,&geometry);
  if (image_info->density == (char *) NULL)
    (void) ParseAbsoluteGeometry(HistogramDensity,&geometry);
  else
    (void) ParseAbsoluteGeometry(image_info->density,&geometry);
  histogram_image=CloneImage(image,geometry.width,geometry.height,MagickTrue,
    &image->exception);
  if (histogram_image == (Image *) NULL)
    ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
  (void) SetImageStorageClass(histogram_image,DirectClass);
  /*
    Allocate histogram count arrays.
  */
  length=MagickMax((size_t) ScaleQuantumToChar((Quantum) QuantumRange)+1UL,
    histogram_image->columns);
  histogram=(MagickPixelPacket *) AcquireQuantumMemory(length,
    sizeof(*histogram));
  if (histogram == (MagickPixelPacket *) NULL)
    {
      histogram_image=DestroyImage(histogram_image);
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    }
  /*
    Initialize histogram count arrays.
  */
  channel=image_info->channel;
  (void) ResetMagickMemory(histogram,0,length*sizeof(*histogram));
  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++)
    {
      if ((channel & RedChannel) != 0)
        histogram[ScaleQuantumToChar(GetPixelRed(p))].red++;
      if ((channel & GreenChannel) != 0)
        histogram[ScaleQuantumToChar(GetPixelGreen(p))].green++;
      if ((channel & BlueChannel) != 0)
        histogram[ScaleQuantumToChar(GetPixelBlue(p))].blue++;
      p++;
    }
  }
  maximum=histogram[0].red;
  for (x=0; x < (ssize_t) histogram_image->columns; x++)
  {
    if (((channel & RedChannel) != 0) && (maximum < histogram[x].red))
      maximum=histogram[x].red;
    if (((channel & GreenChannel) != 0) && (maximum < histogram[x].green))
      maximum=histogram[x].green;
    if (((channel & BlueChannel) != 0) && (maximum < histogram[x].blue))
      maximum=histogram[x].blue;
  }
  scale=(MagickRealType) histogram_image->rows/maximum;
  /*
    Initialize histogram image.
  */
  exception=(&image->exception);
  (void) QueryColorDatabase("#000",&histogram_image->background_color,
    &image->exception);
  (void) SetImageBackgroundColor(histogram_image);
  for (x=0; x < (ssize_t) histogram_image->columns; x++)
  {
    q=GetAuthenticPixels(histogram_image,x,0,1,histogram_image->rows,exception);
    if (q == (PixelPacket *) NULL)
      break;
    if ((channel & RedChannel) != 0)
      {
        y=(ssize_t) ceil(histogram_image->rows-scale*histogram[x].red-0.5);
        r=q+y;
        for ( ; y < (ssize_t) histogram_image->rows; y++)
        {
          SetPixelRed(r,QuantumRange);
          r++;
        }
      }
    if ((channel & GreenChannel) != 0)
      {
        y=(ssize_t) ceil(histogram_image->rows-scale*histogram[x].green-0.5);
        r=q+y;
        for ( ; y < (ssize_t) histogram_image->rows; y++)
        {
          SetPixelGreen(r,QuantumRange);
          r++;
        }
      }
    if ((channel & BlueChannel) != 0)
      {
        y=(ssize_t) ceil(histogram_image->rows-scale*histogram[x].blue-0.5);
        r=q+y;
        for ( ; y < (ssize_t) histogram_image->rows; y++)
        {
          SetPixelBlue(r,QuantumRange);
          r++;
        }
      }
    if (SyncAuthenticPixels(histogram_image,exception) == MagickFalse)
      break;
    status=SetImageProgress(image,SaveImageTag,y,histogram_image->rows);
    if (status == MagickFalse)
      break;
  }
  /*
    Relinquish resources.
  */
  histogram=(MagickPixelPacket *) RelinquishMagickMemory(histogram);
  option=GetImageOption(image_info,"histogram:unique-colors");
  if ((option == (const char *) NULL) || (IsMagickTrue(option) != MagickFalse))
    {
      FILE
        *file;

      int
        unique_file;

      /*
        Add a unique colors as an image comment.
      */
      file=(FILE *) NULL;
      unique_file=AcquireUniqueFileResource(filename);
      if (unique_file != -1)
        file=fdopen(unique_file,"wb");
      if ((unique_file != -1) && (file != (FILE *) NULL))
        {
          char
            *property;

          (void) GetNumberColors(image,file,&image->exception);
          (void) fclose(file);
          property=FileToString(filename,~0UL,&image->exception);
          if (property != (char *) NULL)
            {
              (void) SetImageProperty(histogram_image,"comment",property);
              property=DestroyString(property);
            }
        }
      (void) RelinquishUniqueFileResource(filename);
    }
  /*
    Write Histogram image.
  */
  (void) CopyMagickString(histogram_image->filename,image_info->filename,
    MaxTextExtent);
  write_info=CloneImageInfo(image_info);
  (void) SetImageInfo(write_info,1,&image->exception);
  if (LocaleCompare(write_info->magick,"HISTOGRAM") == 0)
    (void) FormatLocaleString(histogram_image->filename,MaxTextExtent,
      "miff:%s",write_info->filename);
  status=WriteImage(write_info,histogram_image);
  histogram_image=DestroyImage(histogram_image);
  write_info=DestroyImageInfo(write_info);
  return(status);
}
コード例 #19
0
ファイル: thumbnail.c プロジェクト: INT2208-ST/MyFriend
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e T H U M B N A I L I m a g e                                     %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteTHUMBNAILImage() extracts the EXIF thumbnail image and writes it.
%
%  The format of the WriteTHUMBNAILImage method is:
%
%      MagickBooleanType WriteTHUMBNAILImage(const ImageInfo *image_info,
%        Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteTHUMBNAILImage(const ImageInfo *image_info,
  Image *image)
{
  const char
    *property;

  const StringInfo
    *profile;

  Image
    *thumbnail_image;

  ImageInfo
    *write_info;

  MagickBooleanType
    status;

  register ssize_t
    i;

  size_t
    length;

  ssize_t
    offset;

  unsigned char
    magick[MaxTextExtent];

  profile=GetImageProfile(image,"exif");
  if (profile == (const StringInfo *) NULL)
    ThrowWriterException(CoderError,"ImageDoesNotHaveAThumbnail");
  property=GetImageProperty(image,"exif:JPEGInterchangeFormat");
  if (property == (const char *) NULL)
    ThrowWriterException(CoderError,"ImageDoesNotHaveAThumbnail");
  offset=(ssize_t) StringToLong(property);
  property=GetImageProperty(image,"exif:JPEGInterchangeFormatLength");
  if (property == (const char *) NULL)
    ThrowWriterException(CoderError,"ImageDoesNotHaveAThumbnail");
  length=(size_t) StringToLong(property);
  (void) ResetMagickMemory(magick,0,sizeof(magick));
  for (i=0; i < (ssize_t) length; i++)
  {
    magick[0]=magick[1];
    magick[1]=magick[2];
    magick[2]=GetStringInfoDatum(profile)[offset+i];
    if (memcmp(magick,"\377\330\377",3) == 0)
      break;
  }
  thumbnail_image=BlobToImage(image_info,GetStringInfoDatum(profile)+offset+i-2,
    length,&image->exception);
  if (thumbnail_image == (Image *) NULL)
    return(MagickFalse);
  (void) SetImageType(thumbnail_image,thumbnail_image->matte == MagickFalse ?
    TrueColorType : TrueColorMatteType);
  (void) CopyMagickString(thumbnail_image->filename,image->filename,
    MaxTextExtent);
  write_info=CloneImageInfo(image_info);
  (void) SetImageInfo(write_info,1,&image->exception);
  *write_info->magick='\0';
  if (LocaleCompare(write_info->magick,"THUMBNAIL") == 0)
    (void) FormatLocaleString(thumbnail_image->filename,MaxTextExtent,
      "miff:%s",write_info->filename);
  status=WriteImage(write_info,thumbnail_image);
  thumbnail_image=DestroyImage(thumbnail_image);
  write_info=DestroyImageInfo(write_info);
  return(status);
}
コード例 #20
0
ファイル: cip.c プロジェクト: CamiloBenavides/SnoutPoint-Web
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e C I P I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Procedure WriteCIPImage() writes an image to a file in the Cisco IP phone
%  image format.
%
%  The format of the WriteCIPImage method is:
%
%      MagickBooleanType WriteCIPImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteCIPImage(const ImageInfo *image_info,Image *image)
{
  char
    buffer[MaxTextExtent];

  const char
    *value;

  MagickBooleanType
    status;

  register const PixelPacket
    *p;

  register ssize_t
    i,
    x;

  ssize_t
    y;

  unsigned char
    byte;

  /*
    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);
  (void) WriteBlobString(image,"<CiscoIPPhoneImage>\n");
  value=GetImageProperty(image,"label");
  if (value != (const char *) NULL)
    (void) FormatLocaleString(buffer,MaxTextExtent,"<Title>%s</Title>\n",value);
  else
    {
      char
        basename[MaxTextExtent];

      GetPathComponent(image->filename,BasePath,basename);
      (void) FormatLocaleString(buffer,MaxTextExtent,"<Title>%s</Title>\n",
        basename);
    }
  (void) WriteBlobString(image,buffer);
  (void) FormatLocaleString(buffer,MaxTextExtent,
    "<LocationX>%.20g</LocationX>\n",(double) image->page.x);
  (void) WriteBlobString(image,buffer);
  (void) FormatLocaleString(buffer,MaxTextExtent,
    "<LocationY>%.20g</LocationY>\n",(double) image->page.y);
  (void) WriteBlobString(image,buffer);
  (void) FormatLocaleString(buffer,MaxTextExtent,"<Width>%.20g</Width>\n",
    (double) (image->columns+(image->columns % 2)));
  (void) WriteBlobString(image,buffer);
  (void) FormatLocaleString(buffer,MaxTextExtent,"<Height>%.20g</Height>\n",
    (double) image->rows);
  (void) WriteBlobString(image,buffer);
  (void) FormatLocaleString(buffer,MaxTextExtent,"<Depth>2</Depth>\n");
  (void) WriteBlobString(image,buffer);
  (void) WriteBlobString(image,"<Data>");
  (void) TransformImageColorspace(image,sRGBColorspace);
  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-3); x+=4)
    {
      byte=(unsigned char)
        ((((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+3))/QuantumRange) & 0x03) << 6) |
         (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+2))/QuantumRange) & 0x03) << 4) |
         (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+1))/QuantumRange) & 0x03) << 2) |
         (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+0))/QuantumRange) & 0x03) << 0));
      (void) FormatLocaleString(buffer,MaxTextExtent,"%02x",byte);
      (void) WriteBlobString(image,buffer);
      p+=4;
    }
    if ((image->columns % 4) != 0)
      {
        i=(ssize_t) image->columns % 4;
        byte=(unsigned char)
          ((((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+MagickMin(i,3)))/QuantumRange) & 0x03) << 6) |
           (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+MagickMin(i,2)))/QuantumRange) & 0x03) << 4) |
           (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+MagickMin(i,1)))/QuantumRange) & 0x03) << 2) |
           (((size_t) (3*ClampToQuantum(GetPixelLuma(image,p+MagickMin(i,0)))/QuantumRange) & 0x03) << 0));
        (void) FormatLocaleString(buffer,MaxTextExtent,"%02x",~byte);
        (void) WriteBlobString(image,buffer);
      }
    status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
  (void) WriteBlobString(image,"</Data>\n");
  (void) WriteBlobString(image,"</CiscoIPPhoneImage>\n");
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #21
0
ファイル: html.c プロジェクト: aakritigupta/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e H T M L I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteHTMLImage() writes an image in the HTML encoded image format.
%
%  The format of the WriteHTMLImage method is:
%
%      MagickBooleanType WriteHTMLImage(const ImageInfo *image_info,
%        Image *image,ExceptionInfo *exception)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteHTMLImage(const ImageInfo *image_info,
                                        Image *image,ExceptionInfo *exception)
{
    char
    basename[MaxTextExtent],
             buffer[MaxTextExtent],
             filename[MaxTextExtent],
             mapname[MaxTextExtent],
             url[MaxTextExtent];

    Image
    *next;

    ImageInfo
    *write_info;

    MagickBooleanType
    status;

    RectangleInfo
    geometry;

    register char
    *p;

    /*
      Open image.
    */
    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_info->filename);
    assert(exception != (ExceptionInfo *) NULL);
    assert(exception->signature == MagickSignature);
    status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
    if (status == MagickFalse)
        return(status);
    (void) CloseBlob(image);
    if (IsRGBColorspace(image->colorspace) == MagickFalse)
        (void) TransformImageColorspace(image,sRGBColorspace,exception);
    *url='\0';
    if ((LocaleCompare(image_info->magick,"FTP") == 0) ||
            (LocaleCompare(image_info->magick,"HTTP") == 0))
    {
        /*
          Extract URL base from filename.
        */
        p=strrchr(image->filename,'/');
        if (p != (char *) NULL)
        {
            p++;
            (void) CopyMagickString(url,image_info->magick,MaxTextExtent);
            (void) ConcatenateMagickString(url,":",MaxTextExtent);
            url[strlen(url)+p-image->filename]='\0';
            (void) ConcatenateMagickString(url,image->filename,
                                           p-image->filename+2);
            (void) CopyMagickString(image->filename,p,MaxTextExtent);
        }
    }
    /*
      Refer to image map file.
    */
    (void) CopyMagickString(filename,image->filename,MaxTextExtent);
    AppendImageFormat("map",filename);
    GetPathComponent(filename,BasePath,basename);
    (void) CopyMagickString(mapname,basename,MaxTextExtent);
    (void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
    (void) CopyMagickString(filename,image->filename,MaxTextExtent);
    write_info=CloneImageInfo(image_info);
    write_info->adjoin=MagickTrue;
    status=MagickTrue;
    if (LocaleCompare(image_info->magick,"SHTML") != 0)
    {
        const char
        *value;

        /*
          Open output image file.
        */
        assert(exception != (ExceptionInfo *) NULL);
        status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
        if (status == MagickFalse)
            return(status);
        /*
          Write the HTML image file.
        */
        (void) WriteBlobString(image,"<?xml version=\"1.0\" "
                               "encoding=\"US-ASCII\"?>\n");
        (void) WriteBlobString(image,"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML "
                               "1.0 Strict//EN\" "
                               "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n");
        (void) WriteBlobString(image,"<html>\n");
        (void) WriteBlobString(image,"<head>\n");
        value=GetImageProperty(image,"label",exception);
        if (value != (const char *) NULL)
            (void) FormatLocaleString(buffer,MaxTextExtent,"<title>%s</title>\n",
                                      value);
        else
        {
            GetPathComponent(filename,BasePath,basename);
            (void) FormatLocaleString(buffer,MaxTextExtent,
                                      "<title>%s</title>\n",basename);
        }
        (void) WriteBlobString(image,buffer);
        (void) WriteBlobString(image,"</head>\n");
        (void) WriteBlobString(image,"<body style=\"text-align: center;\">\n");
        (void) FormatLocaleString(buffer,MaxTextExtent,"<h1>%s</h1>\n",
                                  image->filename);
        (void) WriteBlobString(image,buffer);
        (void) WriteBlobString(image,"<div>\n");
        (void) CopyMagickString(filename,image->filename,MaxTextExtent);
        AppendImageFormat("png",filename);
        (void) FormatLocaleString(buffer,MaxTextExtent,"<img usemap=\"#%s\" "
                                  "src=\"%s\" style=\"border: 0;\" alt=\"Image map\" />\n",mapname,
                                  filename);
        (void) WriteBlobString(image,buffer);
        /*
          Determine the size and location of each image tile.
        */
        SetGeometry(image,&geometry);
        if (image->montage != (char *) NULL)
            (void) ParseAbsoluteGeometry(image->montage,&geometry);
        /*
          Write an image map.
        */
        (void) FormatLocaleString(buffer,MaxTextExtent,
                                  "<map id=\"%s\" name=\"%s\">\n",mapname,mapname);
        (void) WriteBlobString(image,buffer);
        (void) FormatLocaleString(buffer,MaxTextExtent,"  <area href=\"%s",url);
        (void) WriteBlobString(image,buffer);
        if (image->directory == (char *) NULL)
        {
            (void) FormatLocaleString(buffer,MaxTextExtent,
                                      "%s\" shape=\"rect\" coords=\"0,0,%.20g,%.20g\" alt=\"\" />\n",
                                      image->filename,(double) geometry.width-1,(double) geometry.height-
                                      1);
            (void) WriteBlobString(image,buffer);
        }
        else
            for (p=image->directory; *p != '\0'; p++)
                if (*p != '\n')
                    (void) WriteBlobByte(image,(unsigned char) *p);
                else
                {
                    (void) FormatLocaleString(buffer,MaxTextExtent,"\" shape="
                                              "\"rect\" coords=\"%.20g,%.20g,%.20g,%.20g\" alt=\"\" />\n",
                                              (double) geometry.x,(double) geometry.y,(double) (geometry.x+
                                                      geometry.width-1),(double) (geometry.y+geometry.height-1));
                    (void) WriteBlobString(image,buffer);
                    if (*(p+1) != '\0')
                    {
                        (void) FormatLocaleString(buffer,MaxTextExtent,
                                                  "  <area href=%s\"",url);
                        (void) WriteBlobString(image,buffer);
                    }
                    geometry.x+=(ssize_t) geometry.width;
                    if ((geometry.x+4) >= (ssize_t) image->columns)
                    {
                        geometry.x=0;
                        geometry.y+=(ssize_t) geometry.height;
                    }
                }
        (void) WriteBlobString(image,"</map>\n");
        (void) CopyMagickString(filename,image->filename,MaxTextExtent);
        (void) WriteBlobString(image,"</div>\n");
        (void) WriteBlobString(image,"</body>\n");
        (void) WriteBlobString(image,"</html>\n");
        (void) CloseBlob(image);
        /*
          Write the image as PNG.
        */
        (void) CopyMagickString(image->filename,filename,MaxTextExtent);
        AppendImageFormat("png",image->filename);
        next=GetNextImageInList(image);
        image->next=NewImageList();
        (void) CopyMagickString(image->magick,"PNG",MaxTextExtent);
        (void) WriteImage(write_info,image,exception);
        image->next=next;
        /*
          Determine image map filename.
        */
        GetPathComponent(image->filename,BasePath,filename);
        (void) ConcatenateMagickString(filename,"_map.shtml",MaxTextExtent);
        (void) CopyMagickString(image->filename,filename,MaxTextExtent);
    }
    /*
      Open image map.
    */
    status=OpenBlob(write_info,image,WriteBinaryBlobMode,exception);
    if (status == MagickFalse)
        return(status);
    write_info=DestroyImageInfo(write_info);
    /*
      Determine the size and location of each image tile.
    */
    SetGeometry(image,&geometry);
    if (image->montage != (char *) NULL)
        (void) ParseAbsoluteGeometry(image->montage,&geometry);
    /*
      Write an image map.
    */
    (void) FormatLocaleString(buffer,MaxTextExtent,
                              "<map id=\"%s\" name=\"%s\">\n",mapname,mapname);
    (void) WriteBlobString(image,buffer);
    (void) FormatLocaleString(buffer,MaxTextExtent,"  <area href=\"%s",url);
    (void) WriteBlobString(image,buffer);
    if (image->directory == (char *) NULL)
    {
        (void) FormatLocaleString(buffer,MaxTextExtent,
                                  "%s\" shape=\"rect\" coords=\"0,0,%.20g,%.20g\" alt=\"\" />\n",
                                  image->filename,(double) geometry.width-1,(double) geometry.height-1);
        (void) WriteBlobString(image,buffer);
    }
    else
        for (p=image->directory; *p != '\0'; p++)
            if (*p != '\n')
                (void) WriteBlobByte(image,(unsigned char) *p);
            else
            {
                (void) FormatLocaleString(buffer,MaxTextExtent,"\" shape=\"rect\""
                                          " coords=\"%.20g,%.20g,%.20g,%.20g\" alt=\"\" />\n",
                                          (double) geometry.x,(double) geometry.y,geometry.x+(double)
                                          geometry.width-1,geometry.y+(double) geometry.height-1);
                (void) WriteBlobString(image,buffer);
                if (*(p+1) != '\0')
                {
                    (void) FormatLocaleString(buffer,MaxTextExtent,
                                              "  <area href=%s\"",url);
                    (void) WriteBlobString(image,buffer);
                }
                geometry.x+=(ssize_t) geometry.width;
                if ((geometry.x+4) >= (ssize_t) image->columns)
                {
                    geometry.x=0;
                    geometry.y+=(ssize_t) geometry.height;
                }
            }
    (void) WriteBlobString(image,"</map>\n");
    (void) CloseBlob(image);
    (void) CopyMagickString(image->filename,filename,MaxTextExtent);
    return(status);
}
コード例 #22
0
ファイル: ps2.c プロジェクト: 271845221/Android-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 #23
0
ファイル: xpm.c プロジェクト: jakekiser/Nodotype
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e P I C O N I m a g e                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WritePICONImage() writes an image to a file in the Personal Icon format.
%
%  The format of the WritePICONImage method is:
%
%      MagickBooleanType WritePICONImage(const ImageInfo *image_info,
%        Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WritePICONImage(const ImageInfo *image_info,
  Image *image)
{
#define ColormapExtent  155
#define GraymapExtent  95
#define PiconGeometry  "48x48>"

  static unsigned char
    Colormap[]=
    {
      0x47, 0x49, 0x46, 0x38, 0x37, 0x61, 0x06, 0x00, 0x05, 0x00, 0xf4, 0x05,
      0x00, 0x00, 0x00, 0x00, 0x2f, 0x4f, 0x4f, 0x70, 0x80, 0x90, 0x7e, 0x7e,
      0x7e, 0xdc, 0xdc, 0xdc, 0xff, 0xff, 0xff, 0x00, 0x00, 0x80, 0x00, 0x00,
      0xff, 0x1e, 0x90, 0xff, 0x87, 0xce, 0xeb, 0xe6, 0xe6, 0xfa, 0x00, 0xff,
      0xff, 0x80, 0x00, 0x80, 0xb2, 0x22, 0x22, 0x2e, 0x8b, 0x57, 0x32, 0xcd,
      0x32, 0x00, 0xff, 0x00, 0x98, 0xfb, 0x98, 0xff, 0x00, 0xff, 0xff, 0x00,
      0x00, 0xff, 0x63, 0x47, 0xff, 0xa5, 0x00, 0xff, 0xd7, 0x00, 0xff, 0xff,
      0x00, 0xee, 0x82, 0xee, 0xa0, 0x52, 0x2d, 0xcd, 0x85, 0x3f, 0xd2, 0xb4,
      0x8c, 0xf5, 0xde, 0xb3, 0xff, 0xfa, 0xcd, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x21, 0xf9, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00,
      0x00, 0x00, 0x06, 0x00, 0x05, 0x00, 0x00, 0x05, 0x18, 0x20, 0x10, 0x08,
      0x03, 0x51, 0x18, 0x07, 0x92, 0x28, 0x0b, 0xd3, 0x38, 0x0f, 0x14, 0x49,
      0x13, 0x55, 0x59, 0x17, 0x96, 0x69, 0x1b, 0xd7, 0x85, 0x00, 0x3b,
    },
    Graymap[]=
    {
      0x47, 0x49, 0x46, 0x38, 0x37, 0x61, 0x04, 0x00, 0x04, 0x00, 0xf3, 0x0f,
      0x00, 0x00, 0x00, 0x00, 0x12, 0x12, 0x12, 0x21, 0x21, 0x21, 0x33, 0x33,
      0x33, 0x45, 0x45, 0x45, 0x54, 0x54, 0x54, 0x66, 0x66, 0x66, 0x78, 0x78,
      0x78, 0x87, 0x87, 0x87, 0x99, 0x99, 0x99, 0xab, 0xab, 0xab, 0xba, 0xba,
      0xba, 0xcc, 0xcc, 0xcc, 0xde, 0xde, 0xde, 0xed, 0xed, 0xed, 0xff, 0xff,
      0xff, 0x21, 0xf9, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00,
      0x00, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, 0x0c, 0x10, 0x04, 0x31,
      0x48, 0x31, 0x07, 0x25, 0xb5, 0x58, 0x73, 0x4f, 0x04, 0x00, 0x3b,
    };

#define MaxCixels  92

  static const char
    Cixel[MaxCixels+1] = " [email protected]#$%&*=-;:>,<1234567890qwertyuipasdfghjk"
                         "lzxcvbnmMNBVCZASDFGHJKLPIUYTREWQ!~^/()_`'][{}|";

  char
    buffer[MaxTextExtent],
    basename[MaxTextExtent],
    name[MaxTextExtent],
    symbol[MaxTextExtent];

  ExceptionInfo
    *exception;

  Image
    *affinity_image,
    *picon;

  ImageInfo
    *blob_info;

  MagickBooleanType
    status,
    transparent;

  MagickPixelPacket
    pixel;

  QuantizeInfo
    *quantize_info;

  RectangleInfo
    geometry;

  register const IndexPacket
    *indexes;

  register const PixelPacket
    *p;

  register ssize_t
    i,
    x;

  register PixelPacket
    *q;

  size_t
    characters_per_pixel,
    colors;

  ssize_t
    j,
    k,
    y;

  /*
    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);
  if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace);
  SetGeometry(image,&geometry);
  (void) ParseMetaGeometry(PiconGeometry,&geometry.x,&geometry.y,
    &geometry.width,&geometry.height);
  picon=ResizeImage(image,geometry.width,geometry.height,TriangleFilter,1.0,
    &image->exception);
  blob_info=CloneImageInfo(image_info);
  (void) AcquireUniqueFilename(blob_info->filename);
  if ((image_info->type != TrueColorType) &&
      (IsGrayImage(image,&image->exception) != MagickFalse))
    affinity_image=BlobToImage(blob_info,Graymap,GraymapExtent,
      &image->exception);
  else
    affinity_image=BlobToImage(blob_info,Colormap,ColormapExtent,
      &image->exception);
  (void) RelinquishUniqueFileResource(blob_info->filename);
  blob_info=DestroyImageInfo(blob_info);
  if ((picon == (Image *) NULL) || (affinity_image == (Image *) NULL))
    return(MagickFalse);
  quantize_info=AcquireQuantizeInfo(image_info);
  status=RemapImage(quantize_info,picon,affinity_image);
  quantize_info=DestroyQuantizeInfo(quantize_info);
  affinity_image=DestroyImage(affinity_image);
  transparent=MagickFalse;
  exception=(&image->exception);
  if (picon->storage_class == PseudoClass)
    {
      (void) CompressImageColormap(picon);
      if (picon->matte != MagickFalse)
        transparent=MagickTrue;
    }
  else
    {
      /*
        Convert DirectClass to PseudoClass picon.
      */
      if (picon->matte != MagickFalse)
        {
          /*
            Map all the transparent pixels.
          */
          for (y=0; y < (ssize_t) picon->rows; y++)
          {
            q=GetAuthenticPixels(picon,0,y,picon->columns,1,exception);
            if (q == (PixelPacket *) NULL)
              break;
            for (x=0; x < (ssize_t) picon->columns; x++)
            {
              if (q->opacity == (Quantum) TransparentOpacity)
                transparent=MagickTrue;
              else
                SetPixelOpacity(q,OpaqueOpacity);
              q++;
            }
            if (SyncAuthenticPixels(picon,exception) == MagickFalse)
              break;
          }
        }
      (void) SetImageType(picon,PaletteType);
    }
  colors=picon->colors;
  if (transparent != MagickFalse)
    {
      register IndexPacket
        *indexes;

      colors++;
      picon->colormap=(PixelPacket *) ResizeQuantumMemory((void **)
        picon->colormap,(size_t) colors,sizeof(*picon->colormap));
      if (picon->colormap == (PixelPacket *) NULL)
        ThrowWriterException(ResourceLimitError,"MemoryAllocationError");
      for (y=0; y < (ssize_t) picon->rows; y++)
      {
        q=GetAuthenticPixels(picon,0,y,picon->columns,1,exception);
        if (q == (PixelPacket *) NULL)
          break;
        indexes=GetAuthenticIndexQueue(picon);
        for (x=0; x < (ssize_t) picon->columns; x++)
        {
          if (q->opacity == (Quantum) TransparentOpacity)
            SetPixelIndex(indexes+x,picon->colors);
          q++;
        }
        if (SyncAuthenticPixels(picon,exception) == MagickFalse)
          break;
      }
    }
  /*
    Compute the character per pixel.
  */
  characters_per_pixel=1;
  for (k=MaxCixels; (ssize_t) colors > k; k*=MaxCixels)
    characters_per_pixel++;
  /*
    XPM header.
  */
  (void) WriteBlobString(image,"/* XPM */\n");
  GetPathComponent(picon->filename,BasePath,basename);
  (void) FormatLocaleString(buffer,MaxTextExtent,
    "static char *%s[] = {\n",basename);
  (void) WriteBlobString(image,buffer);
  (void) WriteBlobString(image,"/* columns rows colors chars-per-pixel */\n");
  (void) FormatLocaleString(buffer,MaxTextExtent,
    "\"%.20g %.20g %.20g %.20g\",\n",(double) picon->columns,(double)
    picon->rows,(double) colors,(double) characters_per_pixel);
  (void) WriteBlobString(image,buffer);
  GetMagickPixelPacket(image,&pixel);
  for (i=0; i < (ssize_t) colors; i++)
  {
    /*
      Define XPM color.
    */
    SetMagickPixelPacket(image,picon->colormap+i,(IndexPacket *) NULL,&pixel);
    pixel.colorspace=sRGBColorspace;
    pixel.depth=8;
    pixel.opacity=(MagickRealType) OpaqueOpacity;
    (void) QueryMagickColorname(image,&pixel,XPMCompliance,name,
      &image->exception);
    if (transparent != MagickFalse)
      {
        if (i == (ssize_t) (colors-1))
          (void) CopyMagickString(name,"grey75",MaxTextExtent);
      }
    /*
      Write XPM color.
    */
    k=i % MaxCixels;
    symbol[0]=Cixel[k];
    for (j=1; j < (ssize_t) characters_per_pixel; j++)
    {
      k=((i-k)/MaxCixels) % MaxCixels;
      symbol[j]=Cixel[k];
    }
    symbol[j]='\0';
    (void) FormatLocaleString(buffer,MaxTextExtent,"\"%s c %s\",\n",
       symbol,name);
    (void) WriteBlobString(image,buffer);
  }
  /*
    Define XPM pixels.
  */
  (void) WriteBlobString(image,"/* pixels */\n");
  for (y=0; y < (ssize_t) picon->rows; y++)
  {
    p=GetVirtualPixels(picon,0,y,picon->columns,1,&picon->exception);
    if (p == (const PixelPacket *) NULL)
      break;
    indexes=GetVirtualIndexQueue(picon);
    (void) WriteBlobString(image,"\"");
    for (x=0; x < (ssize_t) picon->columns; x++)
    {
      k=((ssize_t) GetPixelIndex(indexes+x) % MaxCixels);
      symbol[0]=Cixel[k];
      for (j=1; j < (ssize_t) characters_per_pixel; j++)
      {
        k=(((int) GetPixelIndex(indexes+x)-k)/MaxCixels) % MaxCixels;
        symbol[j]=Cixel[k];
      }
      symbol[j]='\0';
      (void) CopyMagickString(buffer,symbol,MaxTextExtent);
      (void) WriteBlobString(image,buffer);
    }
    (void) FormatLocaleString(buffer,MaxTextExtent,"\"%s\n",
      y == (ssize_t) (picon->rows-1) ? "" : ",");
    (void) WriteBlobString(image,buffer);
    status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
      picon->rows);
    if (status == MagickFalse)
      break;
  }
  picon=DestroyImage(picon);
  (void) WriteBlobString(image,"};\n");
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #24
0
ファイル: jp2.c プロジェクト: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e J P 2 I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteJP2Image() writes an image in the JPEG 2000 image format.
%
%  JP2 support originally written by Nathan Brown, [email protected]
%
%  The format of the WriteJP2Image method is:
%
%      MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image)
{
  char
    *key,
    magick[MaxTextExtent],
    *options;

  const char
    *option;

  jas_image_cmptparm_t
    component_info[4];

  jas_image_t
    *jp2_image;

  jas_matrix_t
    *pixels[4];

  jas_stream_t
    *jp2_stream;

  MagickBooleanType
    status;

  QuantumAny
    range;

  register const PixelPacket
    *p;

  register ssize_t
    i,
    x;

  size_t
    number_components;

  ssize_t
    format,
    y;

  /*
    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);
  /*
    Initialize JPEG 2000 API.
  */
  if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace);
  jp2_stream=JP2StreamManager(image);
  if (jp2_stream == (jas_stream_t *) NULL)
    ThrowWriterException(DelegateError,"UnableToManageJP2Stream");
  number_components=image->matte ? 4UL : 3UL;
  if (IsGrayColorspace(image->colorspace) != MagickFalse)
    number_components=1;
  if ((image->columns != (unsigned int) image->columns) ||
      (image->rows != (unsigned int) image->rows))
    ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
  (void) ResetMagickMemory(&component_info,0,sizeof(component_info));
  for (i=0; i < (ssize_t) number_components; i++)
  {
    component_info[i].tlx=0;
    component_info[i].tly=0;
    component_info[i].hstep=1;
    component_info[i].vstep=1;
    component_info[i].width=(unsigned int) image->columns;
    component_info[i].height=(unsigned int) image->rows;
    component_info[i].prec=(int) MagickMax(MagickMin(image->depth,16),2);
    component_info[i].sgnd=MagickFalse;
  }
  jp2_image=jas_image_create((int) number_components,component_info,
    JAS_CLRSPC_UNKNOWN);
  if (jp2_image == (jas_image_t *) NULL)
    ThrowWriterException(DelegateError,"UnableToCreateImage");
  switch (image->colorspace)
  {
    case RGBColorspace:
    case sRGBColorspace:
    {
      /*
        RGB colorspace.
      */
      jas_image_setclrspc(jp2_image,JAS_CLRSPC_SRGB);
      jas_image_setcmpttype(jp2_image,0,
        (jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
      jas_image_setcmpttype(jp2_image,1,
        (jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
      jas_image_setcmpttype(jp2_image,2,
        (jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
      if (number_components == 4)
        jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY);
      break;
    }
    case GRAYColorspace:
    {
      /*
        Grayscale colorspace.
      */
      jas_image_setclrspc(jp2_image,JAS_CLRSPC_SGRAY);
      jas_image_setcmpttype(jp2_image,0,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
      break;
    }
    case YCbCrColorspace:
    {
      /*
        YCbCr colorspace.
      */
      jas_image_setclrspc(jp2_image,JAS_CLRSPC_SYCBCR);
      jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(0));
      jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(1));
      jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(2));
      if (number_components == 4)
        jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY);
      break;
    }
    case XYZColorspace:
    {
      /*
        XYZ colorspace.
      */
      jas_image_setclrspc(jp2_image,JAS_CLRSPC_CIEXYZ);
      jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(0));
      jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(1));
      jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(2));
      if (number_components == 4)
        jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY);
      break;
    }
    case LabColorspace:
    {
      /*
        Lab colorspace.
      */
      jas_image_setclrspc(jp2_image,JAS_CLRSPC_CIELAB);
      jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(0));
      jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(1));
      jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(2));
      if (number_components == 4)
        jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY);
      break;
    }
    default:
    {
      /*
        Unknow.
      */
      jas_image_setclrspc(jp2_image,JAS_CLRSPC_UNKNOWN);
      jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(0));
      jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(1));
      jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t)
        JAS_IMAGE_CT_COLOR(2));
      if (number_components == 4)
        jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY);
      break;
    }
  }
  /*
    Convert to JPEG 2000 pixels.
  */
  for (i=0; i < (ssize_t) number_components; i++)
  {
    pixels[i]=jas_matrix_create(1,(int) image->columns);
    if (pixels[i] == (jas_matrix_t *) NULL)
      {
        for (x=0; x < i; x++)
          jas_matrix_destroy(pixels[x]);
        jas_image_destroy(jp2_image);
        ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
      }
  }
  range=GetQuantumRange((size_t) component_info[0].prec);
  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++)
    {
      if (number_components == 1)
        jas_matrix_setv(pixels[0],x,(jas_seqent_t) ScaleQuantumToAny(
          ClampToQuantum(GetPixelLuma(image,p)),range));
      else
        {
          jas_matrix_setv(pixels[0],x,(jas_seqent_t)
            ScaleQuantumToAny(GetPixelRed(p),range));
          jas_matrix_setv(pixels[1],x,(jas_seqent_t)
            ScaleQuantumToAny(GetPixelGreen(p),range));
          jas_matrix_setv(pixels[2],x,(jas_seqent_t)
            ScaleQuantumToAny(GetPixelBlue(p),range));
          if (number_components > 3)
            jas_matrix_setv(pixels[3],x,(jas_seqent_t)
              ScaleQuantumToAny((Quantum) (GetPixelAlpha(p)),range));
        }
      p++;
    }
    for (i=0; i < (ssize_t) number_components; i++)
      (void) jas_image_writecmpt(jp2_image,(short) i,0,(unsigned int) y,
        (unsigned int) image->columns,1,pixels[i]);
    status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
  (void) CopyMagickString(magick,image_info->magick,MaxTextExtent);
  if (LocaleCompare(magick,"J2C") == 0)
    (void) CopyMagickString(magick,"JPC",MaxTextExtent);
  LocaleLower(magick);
  format=jas_image_strtofmt(magick);
  options=(char *) NULL;
  ResetImageOptionIterator(image_info);
  key=GetNextImageOption(image_info);
  for ( ; key != (char *) NULL; key=GetNextImageOption(image_info))
  {
    option=GetImageOption(image_info,key);
    if (option == (const char *) NULL)
      continue;
    if (LocaleNCompare(key,"jp2:",4) == 0)
      {
        (void) ConcatenateString(&options,key+4);
        if (*option != '\0')
          {
            (void) ConcatenateString(&options,"=");
            (void) ConcatenateString(&options,option);
          }
        (void) ConcatenateString(&options," ");
      }
  }
  option=GetImageOption(image_info,"jp2:rate");
  if ((option == (const char *) NULL) &&
      (image_info->compression != LosslessJPEGCompression) &&
      (image->quality != UndefinedCompressionQuality) &&
      ((double) image->quality <= 99.5) &&
      ((image->rows*image->columns) > 2500))
    {
      char
        option[MaxTextExtent];

      double
        alpha,
        header_size,
        number_pixels,
        rate,
        target_size;

      alpha=115.0-image->quality;
      rate=100.0/(alpha*alpha);
      header_size=550.0;
      header_size+=(number_components-1)*142;
      number_pixels=(double) image->rows*image->columns*number_components*
        (GetImageQuantumDepth(image,MagickTrue)/8);
      target_size=(number_pixels*rate)+header_size;
      rate=target_size/number_pixels;
      (void) FormatLocaleString(option,MaxTextExtent,"rate=%g",rate);
      (void) ConcatenateString(&options,option);
    }
  status=jas_image_encode(jp2_image,jp2_stream,format,options) != 0 ?
    MagickTrue : MagickFalse;
  if (options != (char *) NULL)
    options=DestroyString(options);
  (void) jas_stream_close(jp2_stream);
  for (i=0; i < (ssize_t) number_components; i++)
    jas_matrix_destroy(pixels[i]);
  jas_image_destroy(jp2_image);
  if (status != MagickFalse)
    ThrowWriterException(DelegateError,"UnableToEncodeImageFile");
  return(MagickTrue);
}
コード例 #25
0
ファイル: gradient.c プロジェクト: JosephineWolff/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d G R A D I E N T I m a g e                                         %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadGRADIENTImage creates a gradient image and initializes it to
%  the color range as specified by the filename.  It allocates the memory
%  necessary for the new Image structure and returns a pointer to the new
%  image.
%
%  The format of the ReadGRADIENTImage method is:
%
%      Image *ReadGRADIENTImage(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 *ReadGRADIENTImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  char
    colorname[MagickPathExtent+4];

  Image
    *image;

  ImageInfo
    *read_info;

  MagickBooleanType
    icc_color,
    status;

  StopInfo
    *stops;

  /*
    Initialize Image structure.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickCoreSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickCoreSignature);
  read_info=CloneImageInfo(image_info);
  SetImageInfoBlob(read_info,(void *) NULL,0);
  (void) CopyMagickString(colorname,image_info->filename,MagickPathExtent);
  (void) sscanf(image_info->filename,"%[^-]",colorname);
  (void) FormatLocaleString(read_info->filename,MagickPathExtent,"xc:%s",
    colorname);
  image=ReadImage(read_info,exception);
  read_info=DestroyImageInfo(read_info);
  if (image == (Image *) NULL)
    return((Image *) NULL);
  (void) SetImageAlpha(image,(Quantum) TransparentAlpha,exception);
  (void) CopyMagickString(image->filename,image_info->filename,MagickPathExtent);
  icc_color=MagickFalse;
  if (LocaleCompare(colorname,"icc") == 0)
    {
      (void) ConcatenateMagickString(colorname,"-",MagickPathExtent);
      (void) sscanf(image_info->filename,"%*[^-]-%[^-]",colorname+4);
      icc_color=MagickTrue;
    }
  stops=(StopInfo *) AcquireQuantumMemory(2,sizeof(*stops));
  if (stops == (StopInfo *) NULL)
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
  stops[0].offset=0.0;
  stops[1].offset=1.0;
  status=QueryColorCompliance(colorname,AllCompliance,&stops[0].color,exception);
  if (status == MagickFalse)
    {
      stops=(StopInfo *) RelinquishMagickMemory(stops);
      image=DestroyImage(image);
      return((Image *) NULL);
    }
  (void) SetImageColorspace(image,stops[0].color.colorspace,exception);
  (void) CopyMagickString(colorname,"white",MagickPathExtent);
  if (GetPixelInfoIntensity(image,&stops[0].color) > (QuantumRange/2.0))
    (void) CopyMagickString(colorname,"black",MagickPathExtent);
  if (icc_color == MagickFalse)
    (void) sscanf(image_info->filename,"%*[^-]-%[^-]",colorname);
  else
    (void) sscanf(image_info->filename,"%*[^-]-%*[^-]-%[^-]",colorname);
  status=QueryColorCompliance(colorname,AllCompliance,&stops[1].color,exception);
  if (status == MagickFalse)
    {
      stops=(StopInfo *) RelinquishMagickMemory(stops);
      image=DestroyImage(image);
      return((Image *) NULL);
    }
  image->alpha_trait=stops[0].color.alpha_trait;
  if (stops[1].color.alpha_trait != UndefinedPixelTrait)
    image->alpha_trait=stops[1].color.alpha_trait;
  status=GradientImage(image,LocaleCompare(image_info->magick,"GRADIENT") == 0 ?
    LinearGradient : RadialGradient,PadSpread,stops,2,exception);
  stops=(StopInfo *) RelinquishMagickMemory(stops);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  return(GetFirstImageInList(image));
}
コード例 #26
0
ファイル: fits.c プロジェクト: 0xPr0xy/ImageMagick
static Image *ReadFITSImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  typedef struct _FITSInfo
  {
    MagickBooleanType
      extend,
      simple;

    int
      bits_per_pixel,
      columns,
      rows,
      number_axes,
      number_planes;

    double
      min_data,
      max_data,
      zero,
      scale;

    EndianType
      endian;
  } FITSInfo;

  char
    *comment,
    keyword[9],
    property[MaxTextExtent],
    value[73];

  double
    pixel,
    scale;

  FITSInfo
    fits_info;

  Image
    *image;

  int
    c;

  MagickBooleanType
    status;

  MagickSizeType
    number_pixels;

  register ssize_t
    i,
    x;

  register PixelPacket
    *q;

  ssize_t
    count,
    scene,
    y;

  /*
    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);
    }
  /*
    Initialize image header.
  */
  (void) ResetMagickMemory(&fits_info,0,sizeof(fits_info));
  fits_info.extend=MagickFalse;
  fits_info.simple=MagickFalse;
  fits_info.bits_per_pixel=8;
  fits_info.columns=1;
  fits_info.rows=1;
  fits_info.rows=1;
  fits_info.number_planes=1;
  fits_info.min_data=0.0;
  fits_info.max_data=0.0;
  fits_info.zero=0.0;
  fits_info.scale=1.0;
  fits_info.endian=MSBEndian;
  /*
    Decode image header.
  */
  for (comment=(char *) NULL; EOFBlob(image) == MagickFalse; )
  {
    for ( ; EOFBlob(image) == MagickFalse; )
    {
      register char
        *p;

      count=ReadBlob(image,8,(unsigned char *) keyword);
      if (count != 8)
        break;
      for (i=0; i < 8; i++)
      {
        if (isspace((int) ((unsigned char) keyword[i])) != 0)
          break;
        keyword[i]=tolower((int) ((unsigned char) keyword[i]));
      }
      keyword[i]='\0';
      count=ReadBlob(image,72,(unsigned char *) value);
      if (count != 72)
        break;
      value[72]='\0';
      p=value;
      if (*p == '=')
        {
          p+=2;
          while (isspace((int) ((unsigned char) *p)) != 0)
            p++;
        }
      if (LocaleCompare(keyword,"end") == 0)
        break;
      if (LocaleCompare(keyword,"extend") == 0)
        fits_info.extend=(*p == 'T') || (*p == 't') ? MagickTrue : MagickFalse;
      if (LocaleCompare(keyword,"simple") == 0)
        fits_info.simple=(*p == 'T') || (*p == 't') ? MagickTrue : MagickFalse;
      if (LocaleCompare(keyword,"bitpix") == 0)
        fits_info.bits_per_pixel=StringToLong(p);
      if (LocaleCompare(keyword,"naxis") == 0)
        fits_info.number_axes=StringToLong(p);
      if (LocaleCompare(keyword,"naxis1") == 0)
        fits_info.columns=StringToLong(p);
      if (LocaleCompare(keyword,"naxis2") == 0)
        fits_info.rows=StringToLong(p);
      if (LocaleCompare(keyword,"naxis3") == 0)
        fits_info.number_planes=StringToLong(p);
      if (LocaleCompare(keyword,"datamax") == 0)
        fits_info.max_data=StringToDouble(p,(char **) NULL);
      if (LocaleCompare(keyword,"datamin") == 0)
        fits_info.min_data=StringToDouble(p,(char **) NULL);
      if (LocaleCompare(keyword,"bzero") == 0)
        fits_info.zero=StringToDouble(p,(char **) NULL);
      if (LocaleCompare(keyword,"bscale") == 0)
        fits_info.scale=StringToDouble(p,(char **) NULL);
      if (LocaleCompare(keyword,"comment") == 0)
        {
          if (comment == (char *) NULL)
            comment=ConstantString(p);
          else
            (void) ConcatenateString(&comment,p);
        }
      if (LocaleCompare(keyword,"xendian") == 0)
        {
          if (LocaleNCompare(p,"big",3) == 0)
            fits_info.endian=MSBEndian;
          else
            fits_info.endian=LSBEndian;
        }
      (void) FormatLocaleString(property,MaxTextExtent,"fits:%s",keyword);
      (void) SetImageProperty(image,property,p);
    }
    c=0;
    while (((TellBlob(image) % FITSBlocksize) != 0) && (c != EOF))
      c=ReadBlobByte(image);
    if (fits_info.extend == MagickFalse)
      break;
    number_pixels=(MagickSizeType) fits_info.columns*fits_info.rows;
    if ((fits_info.simple != MagickFalse) && (fits_info.number_axes >= 1) &&
        (fits_info.number_axes <= 4) && (number_pixels != 0))
      break;
  }
  /*
    Verify that required image information is defined.
  */
  if (comment != (char *) NULL)
    {
      (void) SetImageProperty(image,"comment",comment);
      comment=DestroyString(comment);
    }
  if (EOFBlob(image) != MagickFalse)
    ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
      image->filename);
  number_pixels=(MagickSizeType) fits_info.columns*fits_info.rows;
  if ((fits_info.simple == MagickFalse) || (fits_info.number_axes < 1) ||
      (fits_info.number_axes > 4) || (number_pixels == 0))
    ThrowReaderException(CorruptImageError,"ImageTypeNotSupported");
  for (scene=0; scene < (ssize_t) fits_info.number_planes; scene++)
  {
    image->columns=(size_t) fits_info.columns;
    image->rows=(size_t) fits_info.rows;
    image->depth=(size_t) (fits_info.bits_per_pixel < 0 ? -1 : 1)*
      fits_info.bits_per_pixel;
    image->endian=fits_info.endian;
    image->scene=(size_t) scene;
    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    /*
      Initialize image structure.
    */
    SetImageColorspace(image,GRAYColorspace);
    if ((fits_info.min_data != 0.0) || (fits_info.max_data != 0.0))
      {
        if ((fits_info.bits_per_pixel != 0) && (fits_info.max_data == 0.0))
          fits_info.max_data=GetFITSPixelRange((size_t)
            fits_info.bits_per_pixel);
      }
    else
      GetFITSPixelExtrema(image,fits_info.bits_per_pixel,&fits_info.min_data,
        &fits_info.max_data);
    /*
      Convert FITS pixels to pixel packets.
    */
    scale=(double) QuantumRange/(fits_info.scale*(fits_info.max_data-
      fits_info.min_data)+fits_info.zero);
    for (y=(ssize_t) image->rows-1; y >= 0; y--)
    {
      q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
      if (q == (PixelPacket *) NULL)
        break;
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        pixel=GetFITSPixel(image,fits_info.bits_per_pixel);
        SetPixelRed(q,ClampToQuantum(scale*(fits_info.scale*(pixel-
          fits_info.min_data)+fits_info.zero)));
        SetPixelGreen(q,GetPixelRed(q));
        SetPixelBlue(q,GetPixelRed(q));
        q++;
      }
      if (SyncAuthenticPixels(image,exception) == MagickFalse)
        break;
      if (image->previous == (Image *) NULL)
        {
          status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
                image->rows);
          if (status == MagickFalse)
            break;
        }
    }
    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 (scene < (ssize_t) (fits_info.number_planes-1))
      {
        /*
          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;
      }
  }
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}
コード例 #27
0
ファイル: cals.c プロジェクト: densonclan/poptees.shoppe
static MagickBooleanType WriteCALSImage(const ImageInfo *image_info,
                                        Image *image)
{
    char
    header[MaxTextExtent];

    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;
        break;
    }
    }
    (void) FormatLocaleString(header,sizeof(header),"rorient: %03ld,%03ld",
                              (long) orient_x,(long) orient_y);
    count=WriteCALSRecord(image,header);
    (void) FormatLocaleString(header,sizeof(header),"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,sizeof(header),"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 #28
0
ファイル: fits.c プロジェクト: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e F I T S I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteFITSImage() writes a Flexible Image Transport System image to a
%  file as gray scale intensities [0..255].
%
%  The format of the WriteFITSImage method is:
%
%      MagickBooleanType WriteFITSImage(const ImageInfo *image_info,
%        Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteFITSImage(const ImageInfo *image_info,
  Image *image)
{
  char
    header[FITSBlocksize],
    *fits_info;

  MagickBooleanType
    status;

  QuantumInfo
    *quantum_info;

  register const PixelPacket
    *p;

  size_t
    length;

  ssize_t
    count,
    offset,
    y;

  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);
  if (IssRGBColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace);
  /*
    Allocate image memory.
  */
  fits_info=(char *) AcquireQuantumMemory(FITSBlocksize,sizeof(*fits_info));
  if (fits_info == (char *) NULL)
    ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
  (void) ResetMagickMemory(fits_info,' ',FITSBlocksize*sizeof(*fits_info));
  /*
    Initialize image header.
  */
  image->depth=GetImageQuantumDepth(image,MagickFalse);
  quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image);
  if (quantum_info == (QuantumInfo *) NULL)
    ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
  offset=0;
  (void) FormatLocaleString(header,FITSBlocksize,
    "SIMPLE  =                    T");
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) FormatLocaleString(header,FITSBlocksize,"BITPIX  =           %10ld",
    (long) (quantum_info->format == FloatingPointQuantumFormat ? -1 : 1)*
    image->depth);
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) FormatLocaleString(header,FITSBlocksize,"NAXIS   =           %10lu",
    IsGrayImage(image,&image->exception) != MagickFalse ? 2UL : 3UL);
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) FormatLocaleString(header,FITSBlocksize,"NAXIS1  =           %10lu",
    (unsigned long) image->columns);
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) FormatLocaleString(header,FITSBlocksize,"NAXIS2  =           %10lu",
    (unsigned long) image->rows);
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  if (IsGrayImage(image,&image->exception) == MagickFalse)
    {
      (void) FormatLocaleString(header,FITSBlocksize,
        "NAXIS3  =           %10lu",3UL);
      (void) strncpy(fits_info+offset,header,strlen(header));
      offset+=80;
    }
  (void) FormatLocaleString(header,FITSBlocksize,"BSCALE  =         %E",1.0);
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) FormatLocaleString(header,FITSBlocksize,"BZERO   =         %E",
    image->depth > 8 ? GetFITSPixelRange(image->depth) : 0.0);
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) FormatLocaleString(header,FITSBlocksize,"DATAMAX =         %E",
    1.0*((MagickOffsetType) GetQuantumRange(image->depth)));
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) FormatLocaleString(header,FITSBlocksize,"DATAMIN =         %E",0.0);
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  if (image->endian == LSBEndian)
    {
      (void) FormatLocaleString(header,FITSBlocksize,"XENDIAN = 'SMALL'");
      (void) strncpy(fits_info+offset,header,strlen(header));
      offset+=80;
    }
  (void) FormatLocaleString(header,FITSBlocksize,"HISTORY %.72s",
    GetMagickVersion((size_t *) NULL));
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) strncpy(header,"END",FITSBlocksize);
  (void) strncpy(fits_info+offset,header,strlen(header));
  offset+=80;
  (void) WriteBlob(image,FITSBlocksize,(unsigned char *) fits_info);
  /*
    Convert image to fits scale PseudoColor class.
  */
  pixels=GetQuantumPixels(quantum_info);
  if (IsGrayImage(image,&image->exception) != MagickFalse)
    {
      length=GetQuantumExtent(image,quantum_info,GrayQuantum);
      for (y=(ssize_t) image->rows-1; y >= 0; y--)
      {
        p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
        if (p == (const PixelPacket *) NULL)
          break;
        length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
          GrayQuantum,pixels,&image->exception);
        if (image->depth == 16)
          SetFITSUnsignedPixels(image->columns,image->depth,pixels);
        if (((image->depth == 32) || (image->depth == 64)) &&
            (quantum_info->format != FloatingPointQuantumFormat))
          SetFITSUnsignedPixels(image->columns,image->depth,pixels);
        count=WriteBlob(image,length,pixels);
        if (count != (ssize_t) length)
          break;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
    }
  else
    {
      length=GetQuantumExtent(image,quantum_info,RedQuantum);
      for (y=(ssize_t) image->rows-1; y >= 0; y--)
      {
        p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
        if (p == (const PixelPacket *) NULL)
          break;
        length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
          RedQuantum,pixels,&image->exception);
        if (image->depth == 16)
          SetFITSUnsignedPixels(image->columns,image->depth,pixels);
        if (((image->depth == 32) || (image->depth == 64)) &&
            (quantum_info->format != FloatingPointQuantumFormat))
          SetFITSUnsignedPixels(image->columns,image->depth,pixels);
        count=WriteBlob(image,length,pixels);
        if (count != (ssize_t) length)
          break;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
      length=GetQuantumExtent(image,quantum_info,GreenQuantum);
      for (y=(ssize_t) image->rows-1; y >= 0; y--)
      {
        p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
        if (p == (const PixelPacket *) NULL)
          break;
        length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
          GreenQuantum,pixels,&image->exception);
        if (image->depth == 16)
          SetFITSUnsignedPixels(image->columns,image->depth,pixels);
        if (((image->depth == 32) || (image->depth == 64)) &&
            (quantum_info->format != FloatingPointQuantumFormat))
          SetFITSUnsignedPixels(image->columns,image->depth,pixels);
        count=WriteBlob(image,length,pixels);
        if (count != (ssize_t) length)
          break;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
      length=GetQuantumExtent(image,quantum_info,BlueQuantum);
      for (y=(ssize_t) image->rows-1; y >= 0; y--)
      {
        p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
        if (p == (const PixelPacket *) NULL)
          break;
        length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
          BlueQuantum,pixels,&image->exception);
        if (image->depth == 16)
          SetFITSUnsignedPixels(image->columns,image->depth,pixels);
        if (((image->depth == 32) || (image->depth == 64)) &&
            (quantum_info->format != FloatingPointQuantumFormat))
          SetFITSUnsignedPixels(image->columns,image->depth,pixels);
        count=WriteBlob(image,length,pixels);
        if (count != (ssize_t) length)
          break;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
    }
  quantum_info=DestroyQuantumInfo(quantum_info);
  length=(size_t) (FITSBlocksize-TellBlob(image) % FITSBlocksize);
  if (length != 0)
    {
      (void) ResetMagickMemory(fits_info,0,length*sizeof(*fits_info));
      (void) WriteBlob(image,length,(unsigned char *) fits_info);
    }
  fits_info=DestroyString(fits_info);
  (void) CloseBlob(image);
  return(MagickTrue);
}
コード例 #29
0
ファイル: plasma.c プロジェクト: ImageMagick/ImageMagick
static Image *ReadPlasmaImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  Image
    *image;

  ImageInfo
    *read_info;

  MagickBooleanType
    status;

  register ssize_t
    x;

  register Quantum
    *q;

  register size_t
    i;

  SegmentInfo
    segment_info;

  size_t
    depth,
    max_depth;

  ssize_t
    y;

  /*
    Recursively apply plasma to the image.
  */
  read_info=CloneImageInfo(image_info);
  SetImageInfoBlob(read_info,(void *) NULL,0);
  (void) FormatLocaleString(read_info->filename,MagickPathExtent,
    "gradient:%s",image_info->filename);
  image=ReadImage(read_info,exception);
  read_info=DestroyImageInfo(read_info);
  if (image == (Image *) NULL)
    return((Image *) NULL);
  (void) SetImageStorageClass(image,DirectClass,exception);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (Quantum *) NULL)
      break;
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      SetPixelAlpha(image,QuantumRange/2,q);
      q+=GetPixelChannels(image);
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
  }
  segment_info.x1=0;
  segment_info.y1=0;
  segment_info.x2=(double) image->columns-1;
  segment_info.y2=(double) image->rows-1;
  if (LocaleCompare(image_info->filename,"fractal") == 0)
    {
      RandomInfo
        *random_info;

      /*
        Seed pixels before recursion.
      */
      (void) SetImageColorspace(image,sRGBColorspace,exception);
      random_info=AcquireRandomInfo();
      PlasmaPixel(image,random_info,segment_info.x1,segment_info.y1,exception);
      PlasmaPixel(image,random_info,segment_info.x1,(segment_info.y1+
        segment_info.y2)/2,exception);
      PlasmaPixel(image,random_info,segment_info.x1,segment_info.y2,exception);
      PlasmaPixel(image,random_info,(segment_info.x1+segment_info.x2)/2,
        segment_info.y1,exception);
      PlasmaPixel(image,random_info,(segment_info.x1+segment_info.x2)/2,
        (segment_info.y1+segment_info.y2)/2,exception);
      PlasmaPixel(image,random_info,(segment_info.x1+segment_info.x2)/2,
        segment_info.y2,exception);
      PlasmaPixel(image,random_info,segment_info.x2,segment_info.y1,exception);
      PlasmaPixel(image,random_info,segment_info.x2,(segment_info.y1+
        segment_info.y2)/2,exception);
      PlasmaPixel(image,random_info,segment_info.x2,segment_info.y2,exception);
      random_info=DestroyRandomInfo(random_info);
    }
  i=(size_t) MagickMax(image->columns,image->rows)/2;
  for (max_depth=0; i != 0; max_depth++)
    i>>=1;
  for (depth=1; ; depth++)
  {
    if (PlasmaImage(image,&segment_info,0,depth,exception) != MagickFalse)
      break;
    status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) depth,
      max_depth);
    if (status == MagickFalse)
      break;
  }
  return(GetFirstImageInList(image));
}
コード例 #30
0
ファイル: conjure.c プロジェクト: 0xPr0xy/ImageMagick
WandExport MagickBooleanType ConjureImageCommand(ImageInfo *image_info,
  int argc,char **argv,char **wand_unused(metadata),ExceptionInfo *exception)
{
#define DestroyConjure() \
{ \
  image=DestroyImageList(image); \
  for (i=0; i < (ssize_t) argc; i++) \
    argv[i]=DestroyString(argv[i]); \
  argv=(char **) RelinquishMagickMemory(argv); \
}
#define ThrowConjureException(asperity,tag,option) \
{ \
  (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"`%s'", \
     option); \
  DestroyConjure(); \
  return(MagickFalse); \
}
#define ThrowConjureInvalidArgumentException(option,argument) \
{ \
  (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
    "InvalidArgument","'%s': %s",option,argument); \
  DestroyConjure(); \
  return(MagickFalse); \
}

  char
    filename[MaxTextExtent],
    *option;

  Image
    *image;

  MagickStatusType
    status;

  register ssize_t
    i;

  ssize_t
    number_images;

  /*
    Set defaults.
  */
  assert(image_info != (ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
  assert(exception != (ExceptionInfo *) NULL);
  if (argc < 2)
    return(ConjureUsage());
  image=NewImageList();
  number_images=0;
  option=(char *) NULL;
  /*
    Conjure an image.
  */
  ReadCommandlLine(argc,&argv);
  status=ExpandFilenames(&argc,&argv);
  if (status == MagickFalse)
    ThrowConjureException(ResourceLimitError,"MemoryAllocationFailed",
      GetExceptionMessage(errno));
  for (i=1; i < (ssize_t) argc; i++)
  {
    option=argv[i];
    if (IsCommandOption(option) != MagickFalse)
      {
        if (LocaleCompare("concurrent",option+1) == 0)
          break;
        if (LocaleCompare("debug",option+1) == 0)
          {
            ssize_t
              event;

            if (*option == '+')
              break;
            i++;
            if (i == (ssize_t) argc)
              ThrowConjureException(OptionError,"MissingArgument",option);
            event=ParseCommandOption(MagickLogEventOptions,MagickFalse,argv[i]);
            if (event < 0)
              ThrowConjureException(OptionError,"UnrecognizedEventType",
                argv[i]);
            (void) SetLogEventMask(argv[i]);
            continue;
          }
        if (LocaleCompare("duration",option+1) == 0)
          {
            if (*option == '+')
              break;
            i++;
            if (i == (ssize_t) (argc-1))
              ThrowConjureException(OptionError,"MissingArgument",option);
            if (IsGeometry(argv[i]) == MagickFalse)
              ThrowConjureInvalidArgumentException(option,argv[i]);
            continue;
          }
        if ((LocaleCompare("help",option+1) == 0) ||
            (LocaleCompare("-help",option+1) == 0))
          {
            if (*option == '-')
              return(ConjureUsage());
            continue;
          }
        if (LocaleCompare("log",option+1) == 0)
          {
            if (*option == '-')
              {
                i++;
                if (i == (ssize_t) argc)
                  ThrowConjureException(OptionError,"MissingLogFormat",option);
                (void) SetLogFormat(argv[i]);
              }
            continue;
          }
        if (LocaleCompare("monitor",option+1) == 0)
          continue;
        if (LocaleCompare("quiet",option+1) == 0)
          continue;
        if (LocaleCompare("regard-warnings",option+1) == 0)
          break;
        if (LocaleCompare("seed",option+1) == 0)
          {
            if (*option == '+')
              break;
            i++;
            if (i == (ssize_t) (argc-1))
              ThrowConjureException(OptionError,"MissingArgument",option);
            if (IsGeometry(argv[i]) == MagickFalse)
              ThrowConjureInvalidArgumentException(option,argv[i]);
            break;
          }
        if (LocaleCompare("verbose",option+1) == 0)
          {
            image_info->verbose=(*option == '-') ? MagickTrue : MagickFalse;
            continue;
          }
        if ((LocaleCompare("version",option+1) == 0) ||
            (LocaleCompare("-version",option+1) == 0))
          {
            ListMagickVersion(stdout);
            return(MagickFalse);
          }
        /*
          Persist key/value pair.
        */
        (void) DeleteImageOption(image_info,option+1);
        status=SetImageOption(image_info,option+1,argv[i+1]);
        if (status == MagickFalse)
          ThrowConjureException(ImageError,"UnableToPersistKey",option);
        i++;
        continue;
      }
    /*
      Interpret MSL script.
    */
    (void) DeleteImageOption(image_info,"filename");
    status=SetImageOption(image_info,"filename",argv[i]);
    if (status == MagickFalse)
      ThrowConjureException(ImageError,"UnableToPersistKey",argv[i]);
    (void) FormatLocaleString(filename,MaxTextExtent,"msl:%s",argv[i]);
    image=ReadImages(image_info,filename,exception);
    CatchException(exception);
    if (image != (Image *) NULL)
      image=DestroyImageList(image);
    status=image != (Image *) NULL ? MagickTrue : MagickFalse;
    number_images++;
  }
  if (i != (ssize_t) argc)
    ThrowConjureException(OptionError,"MissingAnImageFilename",argv[i]);
  if (number_images == 0)
    ThrowConjureException(OptionError,"MissingAnImageFilename",argv[argc-1]);
  if (image != (Image *) NULL)
    image=DestroyImageList(image);
  for (i=0; i < (ssize_t) argc; i++)
    argv[i]=DestroyString(argv[i]);
  argv=(char **) RelinquishMagickMemory(argv);
  return(status != 0 ? MagickTrue : MagickFalse);
}