示例#1
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e F A X I m a g e                                                 %
%                                                                             %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteFAXImage() writes an image to a file in 1 dimensional Huffman encoded
%  format.
%
%  The format of the WriteFAXImage method is:
%
%      MagickBooleanType WriteFAXImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteFAXImage(const ImageInfo *image_info,Image *image)
{
  ImageInfo
    *write_info;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  /*
    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);
  write_info=CloneImageInfo(image_info);
  (void) CopyMagickString(write_info->magick,"FAX",MaxTextExtent);
  scene=0;
  do
  {
    /*
      Convert MIFF to monochrome.
    */
    if (IssRGBColorspace(image->colorspace) == MagickFalse)
      (void) TransformImageColorspace(image,sRGBColorspace);
    status=HuffmanEncodeImage(write_info,image,image);
    if (GetNextImageInList(image) == (Image *) NULL)
      break;
    image=SyncNextImageInList(image);
    status=SetImageProgress(image,SaveImagesTag,scene++,
      GetImageListLength(image));
    if (status == MagickFalse)
      break;
  } while (write_info->adjoin != MagickFalse);
  write_info=DestroyImageInfo(write_info);
  (void) CloseBlob(image);
  return(status);
}
示例#2
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d G R A D I E N T I m a g e                                         %
%                                                                             %
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%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  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[MaxTextExtent];

  MagickBooleanType
    status;

  MagickPixelPacket
    start_pixel,
    stop_pixel;

  PixelPacket
    start_color,
    stop_color;

  Image
    *image;

  /*
    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);
  if ((image->columns == 0) || (image->rows == 0))
    ThrowReaderException(OptionError,"MustSpecifyImageSize");
  (void) SetImageOpacity(image,(Quantum) TransparentOpacity);
  (void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
  (void) CopyMagickString(colorname,image_info->filename,MaxTextExtent);
  (void) sscanf(image_info->filename,"%[^-]",colorname);
  if (QueryColorDatabase(colorname,&start_color,exception) == MagickFalse)
    {
      image=DestroyImage(image);
      return((Image *) NULL);
    }
  (void) QueryMagickColor(colorname,&start_pixel,exception);
  (void) CopyMagickString(colorname,"white",MaxTextExtent);
  if (PixelIntensityToQuantum(image,&start_color) > (Quantum) (QuantumRange/2))
    (void) CopyMagickString(colorname,"black",MaxTextExtent);
  (void) sscanf(image_info->filename,"%*[^-]-%s",colorname);
  if (QueryColorDatabase(colorname,&stop_color,exception) == MagickFalse)
    {
      image=DestroyImage(image);
      return((Image *) NULL);
    }
  (void) QueryMagickColor(colorname,&stop_pixel,exception);
  if (IssRGBColorspace(start_pixel.colorspace) != MagickFalse)
    {
      start_color.red=ClampToQuantum(QuantumRange*DecompandsRGB(QuantumScale*
        start_color.red));
      start_color.green=ClampToQuantum(QuantumRange*DecompandsRGB(QuantumScale*
        start_color.green));
      start_color.blue=ClampToQuantum(QuantumRange*DecompandsRGB(QuantumScale*
        start_color.blue));
    }
  if (IssRGBColorspace(stop_pixel.colorspace) != MagickFalse)
    {
      stop_color.red=ClampToQuantum(QuantumRange*DecompandsRGB(QuantumScale*
        stop_color.red));
      stop_color.green=ClampToQuantum(QuantumRange*DecompandsRGB(QuantumScale*
        stop_color.green));
      stop_color.blue=ClampToQuantum(QuantumRange*DecompandsRGB(QuantumScale*
        stop_color.blue));
    }
  status=GradientImage(image,LocaleCompare(image_info->magick,"GRADIENT") == 0 ?
    LinearGradient : RadialGradient,PadSpread,&start_color,&stop_color);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  (void) SetImageColorspace(image,start_pixel.colorspace);
  if ((start_pixel.matte == MagickFalse) && (stop_pixel.matte == MagickFalse))
    (void) SetImageAlphaChannel(image,DeactivateAlphaChannel);
  if (IssRGBColorspace(start_pixel.colorspace) != MagickFalse)
    {
      (void) SetImageColorspace(image,RGBColorspace);
      (void) TransformImageColorspace(image,sRGBColorspace);
    }
  return(GetFirstImageInList(image));
}
示例#3
0
/*
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%     S e p a r a t e I m a g e C h a n n e l                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  SeparateImageChannel() separates a channel from the image and returns it as
%  a grayscale image.  A channel is a particular color component of each pixel
%  in the image.
%
%  The format of the SeparateImageChannel method is:
%
%      MagickBooleanType SeparateImageChannel(Image *image,
%        const ChannelType channel)
%
%  A description of each parameter follows:
%
%    o image: the image.
%
%    o channel: Identify which channel to extract: RedChannel, GreenChannel,
%      BlueChannel, OpacityChannel, CyanChannel, MagentaChannel,
%      YellowChannel, or BlackChannel.
%
*/
MagickExport MagickBooleanType SeparateImageChannel(Image *image,
  const ChannelType channel)
{
#define SeparateImageTag  "Separate/Image"

  CacheView
    *image_view;

  ExceptionInfo
    *exception;

  MagickBooleanType
    status;

  MagickOffsetType
    progress;

  ssize_t
    y;

  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  if (SetImageStorageClass(image,DirectClass) == MagickFalse)
    return(MagickFalse);
  if (channel == GrayChannels)
    image->matte=MagickTrue;
  /*
    Separate image channels.
  */
  status=MagickTrue;
  progress=0;
  exception=(&image->exception);
  image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
  #pragma omp parallel for schedule(static,4) shared(progress,status) \
    dynamic_number_threads(image,image->columns,image->rows,1)
#endif
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    register IndexPacket
      *restrict indexes;

    register PixelPacket
      *restrict q;

    register ssize_t
      x;

    if (status == MagickFalse)
      continue;
    q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
    if (q == (PixelPacket *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    indexes=GetCacheViewAuthenticIndexQueue(image_view);
    switch (channel)
    {
      case RedChannel:
      {
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          SetPixelGreen(q,GetPixelRed(q));
          SetPixelBlue(q,GetPixelRed(q));
          q++;
        }
        break;
      }
      case GreenChannel:
      {
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          SetPixelRed(q,GetPixelGreen(q));
          SetPixelBlue(q,GetPixelGreen(q));
          q++;
        }
        break;
      }
      case BlueChannel:
      {
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          SetPixelRed(q,GetPixelBlue(q));
          SetPixelGreen(q,GetPixelBlue(q));
          q++;
        }
        break;
      }
      case OpacityChannel:
      {
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          SetPixelRed(q,GetPixelOpacity(q));
          SetPixelGreen(q,GetPixelOpacity(q));
          SetPixelBlue(q,GetPixelOpacity(q));
          q++;
        }
        break;
      }
      case BlackChannel:
      {
        if ((image->storage_class != PseudoClass) &&
            (image->colorspace != CMYKColorspace))
          break;
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          SetPixelRed(q,GetPixelIndex(indexes+x));
          SetPixelGreen(q,GetPixelIndex(indexes+x));
          SetPixelBlue(q,GetPixelIndex(indexes+x));
          q++;
        }
        break;
      }
      case TrueAlphaChannel:
      {
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          SetPixelRed(q,GetPixelAlpha(q));
          SetPixelGreen(q,GetPixelAlpha(q));
          SetPixelBlue(q,GetPixelAlpha(q));
          q++;
        }
        break;
      }
      case GrayChannels:
      {
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          SetPixelAlpha(q,PixelIntensityToQuantum(image,q));
          q++;
        }
        break;
      }
      default:
        break;
    }
    if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
      status=MagickFalse;
    if (image->progress_monitor != (MagickProgressMonitor) NULL)
      {
        MagickBooleanType
          proceed;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
        #pragma omp critical (MagickCore_SeparateImageChannel)
#endif
        proceed=SetImageProgress(image,SeparateImageTag,progress++,image->rows);
        if (proceed == MagickFalse)
          status=MagickFalse;
      }
  }
  image_view=DestroyCacheView(image_view);
  if (channel != GrayChannels)
    image->matte=MagickFalse;
  if (IssRGBColorspace(image->colorspace) == MagickFalse)
    (void) SetImageColorspace(image,GRAYColorspace);
  else
    (void) TransformImageColorspace(image,GRAYColorspace);
  return(status);
}
示例#4
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   C r o p I m a g e T o H B i t m a p                                       %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  CropImageToHBITMAP() extracts a specified region of the image and returns
%  it as a Windows HBITMAP. While the same functionality can be accomplished by
%  invoking CropImage() followed by ImageToHBITMAP(), this method is more
%  efficient since it copies pixels directly to the HBITMAP.
%
%  The format of the CropImageToHBITMAP method is:
%
%      HBITMAP CropImageToHBITMAP(Image* image,const RectangleInfo *geometry,
%        ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image: the image.
%
%    o geometry: Define the region of the image to crop with members
%      x, y, width, and height.
%
%    o exception: return any errors or warnings in this structure.
%
*/
MagickExport void *CropImageToHBITMAP(Image *image,
                                      const RectangleInfo *geometry,ExceptionInfo *exception)
{
#define CropImageTag  "Crop/Image"

    BITMAP
    bitmap;

    HBITMAP
    bitmapH;

    HANDLE
    bitmap_bitsH;

    MagickBooleanType
    proceed;

    RectangleInfo
    page;

    register const PixelPacket
    *p;

    register RGBQUAD
    *q;

    RGBQUAD
    *bitmap_bits;

    ssize_t
    y;

    /*
      Check crop geometry.
    */
    assert(image != (const Image *) NULL);
    assert(image->signature == MagickSignature);
    if (image->debug != MagickFalse)
        (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
    assert(geometry != (const RectangleInfo *) NULL);
    assert(exception != (ExceptionInfo *) NULL);
    assert(exception->signature == MagickSignature);
    if (((geometry->x+(ssize_t) geometry->width) < 0) ||
            ((geometry->y+(ssize_t) geometry->height) < 0) ||
            (geometry->x >= (ssize_t) image->columns) ||
            (geometry->y >= (ssize_t) image->rows))
        ThrowImageException(OptionError,"GeometryDoesNotContainImage");
    page=(*geometry);
    if ((page.x+(ssize_t) page.width) > (ssize_t) image->columns)
        page.width=image->columns-page.x;
    if ((page.y+(ssize_t) page.height) > (ssize_t) image->rows)
        page.height=image->rows-page.y;
    if (page.x < 0)
    {
        page.width+=page.x;
        page.x=0;
    }
    if (page.y < 0)
    {
        page.height+=page.y;
        page.y=0;
    }

    if ((page.width == 0) || (page.height == 0))
        ThrowImageException(OptionError,"GeometryDimensionsAreZero");
    /*
      Initialize crop image attributes.
    */
    bitmap.bmType         = 0;
    bitmap.bmWidth        = (LONG) page.width;
    bitmap.bmHeight       = (LONG) page.height;
    bitmap.bmWidthBytes   = bitmap.bmWidth * 4;
    bitmap.bmPlanes       = 1;
    bitmap.bmBitsPixel    = 32;
    bitmap.bmBits         = NULL;

    bitmap_bitsH=(HANDLE) GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,page.width*
                                      page.height*bitmap.bmBitsPixel);
    if (bitmap_bitsH == NULL)
        return(NULL);
    bitmap_bits=(RGBQUAD *) GlobalLock((HGLOBAL) bitmap_bitsH);
    if ( bitmap.bmBits == NULL )
        bitmap.bmBits = bitmap_bits;
    if (IssRGBColorspace(image->colorspace) == MagickFalse)
        TransformImageColorspace(image,sRGBColorspace);
    /*
      Extract crop image.
    */
    q=bitmap_bits;
    for (y=0; y < (ssize_t) page.height; y++)
    {
        p=GetVirtualPixels(image,page.x,page.y+y,page.width,1,exception);
        if (p == (const PixelPacket *) NULL)
            break;

#if MAGICKCORE_QUANTUM_DEPTH == 8
        /* Form of PixelPacket is identical to RGBQUAD when MAGICKCORE_QUANTUM_DEPTH==8 */
        CopyMagickMemory((void*)q,(const void*)p,page.width*sizeof(PixelPacket));
        q += page.width;

#else  /* 16 or 32 bit Quantum */
        {
            ssize_t
            x;

            /* Transfer pixels, scaling to Quantum */
            for( x=(ssize_t) page.width ; x> 0 ; x-- )
            {
                q->rgbRed = ScaleQuantumToChar(GetPixelRed(p));
                q->rgbGreen = ScaleQuantumToChar(GetPixelGreen(p));
                q->rgbBlue = ScaleQuantumToChar(GetPixelBlue(p));
                q->rgbReserved = 0;
                ++q;
                ++p;
            }
        }
#endif
        proceed=SetImageProgress(image,CropImageTag,y,page.height);
        if (proceed == MagickFalse)
            break;
    }
    if (y < (ssize_t) page.height)
    {
        GlobalUnlock((HGLOBAL) bitmap_bitsH);
        GlobalFree((HGLOBAL) bitmap_bitsH);
        return((void *) NULL);
    }
    bitmap.bmBits=bitmap_bits;
    bitmapH=CreateBitmapIndirect(&bitmap);
    GlobalUnlock((HGLOBAL) bitmap_bitsH);
    GlobalFree((HGLOBAL) bitmap_bitsH);
    return((void *) bitmapH);
}
示例#5
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   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);
}
示例#6
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   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)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
%
*/
static MagickBooleanType WriteHTMLImage(const ImageInfo *image_info,
  Image *image)
{
  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);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == MagickFalse)
    return(status);
  (void) CloseBlob(image);
  if (IssRGBColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace);
  *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.
      */
      status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->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");
      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);
      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,&image->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);
}
示例#7
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   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)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteMTVImage(const ImageInfo *image_info,Image *image)
{
  char
    buffer[MaxTextExtent];

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  register const PixelPacket
    *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);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == MagickFalse)
    return(status);
  scene=0;
  do
  {
    /*
      Allocate memory for pixels.
    */
    if (IssRGBColorspace(image->colorspace) == MagickFalse)
      (void) TransformImageColorspace(image,sRGBColorspace);
    pixels=(unsigned char *) AcquireQuantumMemory((size_t) image->columns,
      3UL*sizeof(*pixels));
    if (pixels == (unsigned char *) NULL)
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    /*
      Initialize raster file header.
    */
    (void) FormatLocaleString(buffer,MaxTextExtent,"%.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,&image->exception);
      if (p == (const PixelPacket *) NULL)
        break;
      q=pixels;
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        *q++=ScaleQuantumToChar(GetPixelRed(p));
        *q++=ScaleQuantumToChar(GetPixelGreen(p));
        *q++=ScaleQuantumToChar(GetPixelBlue(p));
        p++;
      }
      (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);
}
示例#8
0
文件: hrz.c 项目: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e H R Z I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteHRZImage() writes an image to a file in HRZ X image format.
%
%  The format of the WriteHRZImage method is:
%
%      MagickBooleanType WriteHRZImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteHRZImage(const ImageInfo *image_info,Image *image)
{
  Image
    *hrz_image;

  MagickBooleanType
    status;

  register const PixelPacket
    *p;

  register ssize_t
    x,
    y;

  register unsigned char
    *q;

  ssize_t
    count;

  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);
  hrz_image=ResizeImage(image,256,240,image->filter,image->blur,
    &image->exception);
  if (hrz_image == (Image *) NULL)
    return(MagickFalse);
  if (IssRGBColorspace(hrz_image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(hrz_image,sRGBColorspace);
  /*
    Allocate memory for pixels.
  */
  pixels=(unsigned char *) AcquireQuantumMemory((size_t) hrz_image->columns,
    3*sizeof(*pixels));
  if (pixels == (unsigned char *) NULL)
    {
      hrz_image=DestroyImage(hrz_image);
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    }
  /*
    Convert MIFF to HRZ raster pixels.
  */
  for (y=0; y < (ssize_t) hrz_image->rows; y++)
  {
    p=GetVirtualPixels(hrz_image,0,y,hrz_image->columns,1,&image->exception);
    if (p == (PixelPacket *) NULL)
      break;
    q=pixels;
    for (x=0; x < (ssize_t) hrz_image->columns; x++)
    {
      *q++=ScaleQuantumToChar(GetPixelRed(p))/4;
      *q++=ScaleQuantumToChar(GetPixelGreen(p))/4;
      *q++=ScaleQuantumToChar(GetPixelBlue(p))/4;
      p++;
    }
    count=WriteBlob(image,(size_t) (q-pixels),pixels);
    if (count != (ssize_t) (q-pixels))
      break;
    status=SetImageProgress(image,SaveImageTag,y,hrz_image->rows);
    if (status == MagickFalse)
      break;
  }
  pixels=(unsigned char *) RelinquishMagickMemory(pixels);
  hrz_image=DestroyImage(hrz_image);
  (void) CloseBlob(image);
  return(MagickTrue);
}