示例#1
0
文件: magick.c 项目: airhuman/cwf
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%  M a g i c k T o M i m e                                                    %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Method MagickToMime returns the officially registered (or de facto) MIME
%  media-type corresponding to a magick string.  If there is no registered
%  media-type, then the string "image/x-magick" (all lower case) is returned.
%  The returned string must be deallocated by the user.
%
%  The format of the MagickToMime method is:
%
%      char *MagickToMime(const char *magick)
%
%  A description of each parameter follows.
%
%   o  magick:  GraphicsMagick format specification "magick" tag.
%
%
*/
MagickExport char *
MagickToMime(const char *magick)
{
  typedef struct _MediaType
  {
    const char
      *magick,
      *media;
  } MediaType;

  char
    media[MaxTextExtent];

  MediaType
    *entry;

  static MediaType
    MediaTypes[] =
    {
      { "avi",   "video/avi" },
      { "cgm",   "image/cgm;Version=4;ProfileId=WebCGM" }, /* W3 WebCGM */
      { "dcm",   "application/dicom" }, /* Incomplete.  See RFC 3240 */
      { "epdf",  "application/pdf" },
      { "epi",   "application/postscript" },
      { "eps",   "application/postscript" },
      { "eps2",  "application/postscript" },
      { "eps3",  "application/postscript" },
      { "epsf",  "application/postscript" },
      { "ept",   "application/postscript" },
      { "fax",   "image/g3fax" },
      { "fpx",   "image/vnd.fpx" },
      { "g3",    "image/g3fax" },
      { "gif",   "image/gif" },
      { "gif87", "image/gif" },
      { "jpeg",  "image/jpeg" },
      { "mng",   "video/x-mng" },
      { "mpeg",  "video/mpeg" },
      { "png",   "image/png" },
      { "pdf",   "application/pdf" },
      { "ps",    "application/postscript" },
      { "ps2",   "application/postscript" },
      { "ps3",   "application/postscript" },
      { "svg",   "image/svg+xml" },
      { "tif",   "image/tiff" },
      { "tiff",  "image/tiff" },
      { "wbmp",  "image/vnd.wap.wbmp" },
      { (char *) NULL, (char *) NULL }
    };

  for (entry=MediaTypes; entry->magick != (char *) NULL; entry++)
    if (LocaleCompare(entry->magick,magick) == 0)
      return(AllocateString(entry->media));
  FormatString(media,"image/x-%.1024s",magick);
  LocaleLower(media+8);
  return(AllocateString(media));
}
示例#2
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
+  M a g i c k T o M i m e                                                    %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  MagickToMime() returns the officially registered (or de facto) MIME
%  media-type corresponding to a magick string.  If there is no registered
%  media-type, then the string "image/x-magick" (all lower case) is returned.
%  The returned string must be deallocated by the user.
%
%  The format of the MagickToMime method is:
%
%      char *MagickToMime(const char *magick)
%
%  A description of each parameter follows.
%
%   o  magick:  ImageMagick format specification "magick" tag.
%
*/
MagickExport char *MagickToMime(const char *magick)
{
  char
    filename[MagickPathExtent],
    media[MagickPathExtent];

  const MimeInfo
    *mime_info;

  ExceptionInfo
    *exception;

  (void) FormatLocaleString(filename,MagickPathExtent,"file.%s",magick);
  LocaleLower(filename);
  exception=AcquireExceptionInfo();
  mime_info=GetMimeInfo(filename,(unsigned char *) " ",1,exception);
  exception=DestroyExceptionInfo(exception);
  if (mime_info != (const MimeInfo *) NULL)
    return(ConstantString(GetMimeType(mime_info)));
  (void) FormatLocaleString(media,MagickPathExtent,"image/x-%s",magick);
  LocaleLower(media+8);
  return(ConstantString(media));
}
示例#3
0
文件: url.c 项目: 0xPr0xy/ImageMagick
static Image *ReadURLImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define MaxBufferExtent  8192

  char
    filename[MaxTextExtent];

  FILE
    *file;

  Image
    *image;

  ImageInfo
    *read_info;

  int
    unique_file;

  image=(Image *) NULL;
  read_info=CloneImageInfo(image_info);
  SetImageInfoBlob(read_info,(void *) NULL,0);
  file=(FILE *) NULL;
  unique_file=AcquireUniqueFileResource(read_info->filename);
  if (unique_file != -1)
    file=fdopen(unique_file,"wb");
  if ((unique_file == -1) || (file == (FILE *) NULL))
    {
      read_info=DestroyImageInfo(read_info);
      (void) CopyMagickString(image->filename,read_info->filename,
        MaxTextExtent);
      ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
        image->filename);
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  (void) CopyMagickString(filename,image_info->magick,MaxTextExtent);
  (void) ConcatenateMagickString(filename,":",MaxTextExtent);
  LocaleLower(filename);
  (void) ConcatenateMagickString(filename,image_info->filename,MaxTextExtent);
  if (LocaleCompare(read_info->magick,"file") == 0)
    {
      (void) RelinquishUniqueFileResource(read_info->filename);
      unique_file=(-1);
      (void) CopyMagickString(read_info->filename,image_info->filename+2,
        MaxTextExtent);
    }
#if defined(MAGICKCORE_XML_DELEGATE) && defined(LIBXML_FTP_ENABLED)
  if (LocaleCompare(read_info->magick,"ftp") == 0)
    {
      void
        *context;

      xmlNanoFTPInit();
      context=xmlNanoFTPNewCtxt(filename);
      if (context != (void *) NULL)
        {
          if (xmlNanoFTPConnect(context) >= 0)
            (void) xmlNanoFTPGet(context,GetFTPData,(void *) file,
              (char *) NULL);
          (void) xmlNanoFTPClose(context);
        }
    }
#endif
#if defined(MAGICKCORE_XML_DELEGATE) && defined(LIBXML_HTTP_ENABLED)
  if (LocaleCompare(read_info->magick,"http") == 0)
    {
      char
        buffer[MaxBufferExtent],
        *type;

      int
        bytes;

      void
        *context;

      type=(char *) NULL;
      context=xmlNanoHTTPMethod(filename,(const char *) NULL,
        (const char *) NULL,&type,(const char *) NULL,0);
      if (context != (void *) NULL)
        {
          ssize_t
            count;

          while ((bytes=xmlNanoHTTPRead(context,buffer,MaxBufferExtent)) > 0)
            count=(ssize_t) fwrite(buffer,bytes,1,file);
          xmlNanoHTTPClose(context);
          xmlFree(type);
          xmlNanoHTTPCleanup();
        }
    }
#endif
  (void) fclose(file);
  *read_info->magick='\0';
  image=ReadImage(read_info,exception);
  if (unique_file != -1)
    (void) RelinquishUniqueFileResource(read_info->filename);
  read_info=DestroyImageInfo(read_info);
  if (image == (Image *) NULL)
    (void) ThrowMagickException(exception,GetMagickModule(),CoderError,
      "NoDataReturned","`%s'",filename);
  return(GetFirstImageInList(image));
}
示例#4
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e T X T I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteTXTImage writes the pixel values as text numbers.
%
%  The format of the WriteTXTImage method is:
%
%      MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image)
{
  char
    buffer[MaxTextExtent],
    colorspace[MaxTextExtent],
    tuple[MaxTextExtent];

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  MagickPixelPacket
    pixel;

  register const IndexPacket
    *indexes;

  register const PixelPacket
    *p;

  register ssize_t
    x;

  ssize_t
    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,WriteBlobMode,&image->exception);
  if (status == MagickFalse)
    return(status);
  scene=0;
  do
  {
    ComplianceType
      compliance;

    (void) CopyMagickString(colorspace,CommandOptionToMnemonic(
      MagickColorspaceOptions,(ssize_t) image->colorspace),MaxTextExtent);
    LocaleLower(colorspace);
    image->depth=GetImageQuantumDepth(image,MagickTrue);
    if (image->matte != MagickFalse)
      (void) ConcatenateMagickString(colorspace,"a",MaxTextExtent);
    compliance=NoCompliance;
    if (LocaleCompare(image_info->magick,"SPARSE-COLOR") != 0)
      {
        (void) FormatLocaleString(buffer,MaxTextExtent,
          "# ImageMagick pixel enumeration: %.20g,%.20g,%.20g,%s\n",(double)
          image->columns,(double) image->rows,(double) ((MagickOffsetType)
          GetQuantumRange(image->depth)),colorspace);
        (void) WriteBlobString(image,buffer);
        compliance=SVGCompliance;
      }
    GetMagickPixelPacket(image,&pixel);
    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++)
      {
        SetMagickPixelPacket(image,p,indexes+x,&pixel);
        if (pixel.colorspace == LabColorspace)
          {
            pixel.green-=(QuantumRange+1)/2.0;
            pixel.blue-=(QuantumRange+1)/2.0;
          }
        if (LocaleCompare(image_info->magick,"SPARSE-COLOR") == 0)
          {
            /*
              Sparse-color format.
            */
            if (GetPixelOpacity(p) == (Quantum) OpaqueOpacity)
              {
                GetColorTuple(&pixel,MagickFalse,tuple);
                (void) QueryMagickColorname(image,&pixel,SVGCompliance,tuple,
                  &image->exception);
                (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g,",
                  (double) x,(double) y);
                (void) WriteBlobString(image,buffer);
                (void) WriteBlobString(image,tuple);
                (void) WriteBlobString(image," ");
              }
            p++;
            continue;
          }
        (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g: ",(double)
          x,(double) y);
        (void) WriteBlobString(image,buffer);
        (void) CopyMagickString(tuple,"(",MaxTextExtent);
        ConcatenateColorComponent(&pixel,RedChannel,compliance,tuple);
        (void) ConcatenateMagickString(tuple,",",MaxTextExtent);
        ConcatenateColorComponent(&pixel,GreenChannel,compliance,tuple);
        (void) ConcatenateMagickString(tuple,",",MaxTextExtent);
        ConcatenateColorComponent(&pixel,BlueChannel,compliance,tuple);
        if (pixel.colorspace == CMYKColorspace)
          {
            (void) ConcatenateMagickString(tuple,",",MaxTextExtent);
            ConcatenateColorComponent(&pixel,IndexChannel,compliance,tuple);
          }
        if (pixel.matte != MagickFalse)
          {
            (void) ConcatenateMagickString(tuple,",",MaxTextExtent);
            ConcatenateColorComponent(&pixel,AlphaChannel,compliance,tuple);
          }
        (void) ConcatenateMagickString(tuple,")",MaxTextExtent);
        (void) WriteBlobString(image,tuple);
        (void) WriteBlobString(image,"  ");
        GetColorTuple(&pixel,MagickTrue,tuple);
        (void) FormatLocaleString(buffer,MaxTextExtent,"%s",tuple);
        (void) WriteBlobString(image,buffer);
        (void) WriteBlobString(image,"  ");
        (void) QueryMagickColorname(image,&pixel,SVGCompliance,tuple,
          &image->exception);
        (void) WriteBlobString(image,tuple);
        (void) WriteBlobString(image,"\n");
        p++;
      }
      status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
        image->rows);
      if (status == MagickFalse)
        break;
    }
    if (GetNextImageInList(image) == (Image *) NULL)
      break;
    image=SyncNextImageInList(image);
    status=SetImageProgress(image,SaveImagesTag,scene++,
      GetImageListLength(image));
    if (status == MagickFalse)
      break;
  } while (image_info->adjoin != MagickFalse);
  (void) CloseBlob(image);
  return(MagickTrue);
}
示例#5
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d T X T I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadTXTImage() reads a text file and returns it as an image.  It allocates
%  the memory necessary for the new Image structure and returns a pointer to
%  the new image.
%
%  The format of the ReadTXTImage method is:
%
%      Image *ReadTXTImage(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 *ReadTXTImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  char
    colorspace[MaxTextExtent],
    text[MaxTextExtent];

  Image
    *image;

  IndexPacket
    *indexes;

  long
    type,
    x_offset,
    y,
    y_offset;

  MagickBooleanType
    status;

  MagickPixelPacket
    pixel;

  QuantumAny
    range;

  register ssize_t
    i,
    x;

  register PixelPacket
    *q;

  ssize_t
    count;

  unsigned long
    depth,
    height,
    max_value,
    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);
    }
  (void) ResetMagickMemory(text,0,sizeof(text));
  (void) ReadBlobString(image,text);
  if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) != 0)
    return(ReadTEXTImage(image_info,image,text,exception));
  do
  {
    width=0;
    height=0;
    max_value=0;
    *colorspace='\0';
    count=(ssize_t) sscanf(text+32,"%lu,%lu,%lu,%s",&width,&height,&max_value,
      colorspace);
    if ((count != 4) || (width == 0) || (height == 0) || (max_value == 0))
      ThrowReaderException(CorruptImageError,"ImproperImageHeader");
    image->columns=width;
    image->rows=height;
    for (depth=1; (GetQuantumRange(depth)+1) < max_value; depth++) ;
    image->depth=depth;
    LocaleLower(colorspace);
    i=(ssize_t) strlen(colorspace)-1;
    image->matte=MagickFalse;
    if ((i > 0) && (colorspace[i] == 'a'))
      {
        colorspace[i]='\0';
        image->matte=MagickTrue;
      }
    type=ParseCommandOption(MagickColorspaceOptions,MagickFalse,colorspace);
    if (type < 0)
      ThrowReaderException(CorruptImageError,"ImproperImageHeader");
    image->colorspace=(ColorspaceType) type;
    (void) ResetMagickMemory(&pixel,0,sizeof(pixel));
    (void) SetImageBackgroundColor(image);
    range=GetQuantumRange(image->depth);
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      double
        blue,
        green,
        index,
        opacity,
        red;

      red=0.0;
      green=0.0;
      blue=0.0;
      index=0.0;
      opacity=0.0;
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        if (ReadBlobString(image,text) == (char *) NULL)
          break;
        switch (image->colorspace)
        {
          case GRAYColorspace:
          {
            if (image->matte != MagickFalse)
              {
                count=(ssize_t) sscanf(text,"%ld,%ld: (%lf%*[%,]%lf%*[%,]",
                  &x_offset,&y_offset,&red,&opacity);
                green=red;
                blue=red;
                break;
              }
            count=(ssize_t) sscanf(text,"%ld,%ld: (%lf%*[%,]",&x_offset,
              &y_offset,&red);
            green=red;
            blue=red;
            break;
          }
          case CMYKColorspace:
          {
            if (image->matte != MagickFalse)
              {
                count=(ssize_t) sscanf(text,
                  "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",
                  &x_offset,&y_offset,&red,&green,&blue,&index,&opacity);
                break;
              }
            count=(ssize_t) sscanf(text,
              "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",&x_offset,
              &y_offset,&red,&green,&blue,&index);
            break;
          }
          default:
          {
            if (image->matte != MagickFalse)
              {
                count=(ssize_t) sscanf(text,
                  "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",
                  &x_offset,&y_offset,&red,&green,&blue,&opacity);
                break;
              }
            count=(ssize_t) sscanf(text,
              "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]",&x_offset,&y_offset,
               &red,&green,&blue);
            break;
          }
        }
        if (strchr(text,'%') != (char *) NULL)
          {
            red*=0.01*range;
            green*=0.01*range;
            blue*=0.01*range;
            index*=0.01*range;
            opacity*=0.01*range;
          }
        if (image->colorspace == LabColorspace)
          {
            green+=(range+1)/2.0;
            blue+=(range+1)/2.0;
          }
        pixel.red=ScaleAnyToQuantum((QuantumAny) (red+0.5),range);
        pixel.green=ScaleAnyToQuantum((QuantumAny) (green+0.5),range);
        pixel.blue=ScaleAnyToQuantum((QuantumAny) (blue+0.5),range);
        pixel.index=ScaleAnyToQuantum((QuantumAny) (index+0.5),range);
        pixel.opacity=ScaleAnyToQuantum((QuantumAny) (opacity+0.5),range);
        q=GetAuthenticPixels(image,x_offset,y_offset,1,1,exception);
        if (q == (PixelPacket *) NULL)
          continue;
        SetPixelRed(q,pixel.red);
        SetPixelGreen(q,pixel.green);
        SetPixelBlue(q,pixel.blue);
        if (image->colorspace == CMYKColorspace)
          {
            indexes=GetAuthenticIndexQueue(image);
            SetPixelIndex(indexes,pixel.index);
          }
        if (image->matte != MagickFalse)
          SetPixelAlpha(q,pixel.opacity);
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
      }
    }
    (void) ReadBlobString(image,text);
    if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) == 0)
      {
        /*
          Allocate next image structure.
        */
        AcquireNextImage(image_info,image);
        if (GetNextImageInList(image) == (Image *) NULL)
          {
            image=DestroyImageList(image);
            return((Image *) NULL);
          }
        image=SyncNextImageInList(image);
        status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
          GetBlobSize(image));
        if (status == MagickFalse)
          break;
      }
  } while (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) == 0);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   N T A c q u i r e T y p e C a c h e                                       %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  NTAcquireTypeCache() loads a Windows TrueType fonts.
%
%  The format of the NTAcquireTypeCache method is:
%
%      MagickBooleanType NTAcquireTypeCache(SplayTreeInfo *type_cache)
%
%  A description of each parameter follows:
%
%    o type_cache: A linked list of fonts.
%
*/
MagickExport MagickBooleanType NTAcquireTypeCache(SplayTreeInfo *type_cache,
  ExceptionInfo *exception)
{
  HKEY
    reg_key = (HKEY) INVALID_HANDLE_VALUE;

  LONG
    res;

  int
    list_entries = 0;

  char
    buffer[MaxTextExtent],
    system_root[MaxTextExtent],
    font_root[MaxTextExtent];

  DWORD
    type,
    system_root_length;

  MagickBooleanType
    status;

  /*
    Try to find the right Windows*\CurrentVersion key, the SystemRoot and
    then the Fonts key
  */
  res = RegOpenKeyExA (HKEY_LOCAL_MACHINE,
    "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 0, KEY_READ, &reg_key);
  if (res == ERROR_SUCCESS) {
    system_root_length=sizeof(system_root)-1;
    res = RegQueryValueExA(reg_key,"SystemRoot",NULL, &type,
      (BYTE*) system_root, &system_root_length);
  }
  if (res != ERROR_SUCCESS) {
    res = RegOpenKeyExA (HKEY_LOCAL_MACHINE,
      "SOFTWARE\\Microsoft\\Windows\\CurrentVersion", 0, KEY_READ, &reg_key);
    if (res == ERROR_SUCCESS) {
      system_root_length=sizeof(system_root)-1;
      res = RegQueryValueExA(reg_key,"SystemRoot",NULL, &type,
        (BYTE*)system_root, &system_root_length);
    }
  }
  if (res == ERROR_SUCCESS)
    res = RegOpenKeyExA (reg_key, "Fonts",0, KEY_READ, &reg_key);
  if (res != ERROR_SUCCESS)
    return(MagickFalse);
  *font_root='\0';
  (void) CopyMagickString(buffer,system_root,MaxTextExtent);
  (void) ConcatenateMagickString(buffer,"\\fonts\\arial.ttf",MaxTextExtent);
  if (IsPathAccessible(buffer) != MagickFalse)
    {
      (void) CopyMagickString(font_root,system_root,MaxTextExtent);
      (void) ConcatenateMagickString(font_root,"\\fonts\\",MaxTextExtent);
    }
  else
    {
      (void) CopyMagickString(font_root,system_root,MaxTextExtent);
      (void) ConcatenateMagickString(font_root,"\\",MaxTextExtent);
    }

  {
    TypeInfo
      *type_info;

    DWORD
      registry_index = 0,
      type,
      value_data_size,
      value_name_length;

    char
      value_data[MaxTextExtent],
      value_name[MaxTextExtent];

    res = ERROR_SUCCESS;

    while (res != ERROR_NO_MORE_ITEMS)
      {
        char
          *family_extent,
          token[MaxTextExtent],
          *pos,
          *q;

        value_name_length = sizeof(value_name) - 1;
        value_data_size = sizeof(value_data) - 1;
        res=RegEnumValueA(reg_key,registry_index,value_name,&value_name_length,
          0,&type,(BYTE *) value_data,&value_data_size);
        registry_index++;
        if (res != ERROR_SUCCESS)
          continue;
        if ((pos=strstr(value_name," (TrueType)")) == (char*) NULL)
          continue;
        *pos='\0';  /* Remove (TrueType) from string */
        type_info=(TypeInfo *) AcquireMagickMemory(sizeof(*type_info));
        if (type_info == (TypeInfo *) NULL)
          ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
        (void) ResetMagickMemory(type_info,0,sizeof(TypeInfo));
        type_info->path=ConstantString("Windows Fonts");
        type_info->signature=MagickSignature;
        (void) CopyMagickString(buffer,value_name,MaxTextExtent);  /* name */
        for (pos=buffer; *pos != 0; pos++)
          if (*pos == ' ')
            *pos='-';
        type_info->name=ConstantString(buffer);
        type_info->description=ConstantString(value_name);  /* fullname */
        type_info->format=ConstantString("truetype");  /* format */
        if (strchr(value_data,'\\') != (char *) NULL)  /* glyphs */
          (void) CopyMagickString(buffer,value_data,MaxTextExtent);
        else
          {
            (void) CopyMagickString(buffer,font_root,MaxTextExtent);
            (void) ConcatenateMagickString(buffer,value_data,MaxTextExtent);
          }
        LocaleLower(buffer);
        type_info->glyphs=ConstantString(buffer);
        type_info->stretch=NormalStretch;
        type_info->style=NormalStyle;
        type_info->weight=400;
        /*
          Some fonts are known to require special encodings.
        */
        if ( (LocaleCompare(type_info->name, "Symbol") == 0 ) ||
             (LocaleCompare(type_info->name, "Wingdings") == 0 ) ||
             (LocaleCompare(type_info->name, "Wingdings-2") == 0 ) ||
             (LocaleCompare(type_info->name, "Wingdings-3") == 0 ) )
          type_info->encoding=ConstantString("AppleRoman");
        family_extent=value_name;
        for (q=value_name; *q != '\0'; )
        {
            GetMagickToken(q,(const char **) &q,token);
            if (*token == '\0')
              break;

            if (LocaleCompare(token,"Italic") == 0)
              {
                type_info->style=ItalicStyle;
              }

            else if (LocaleCompare(token,"Oblique") == 0)
              {
                type_info->style=ObliqueStyle;
              }

            else if (LocaleCompare(token,"Bold") == 0)
              {
                type_info->weight=700;
              }

            else if (LocaleCompare(token,"Thin") == 0)
              {
                type_info->weight=100;
              }

            else if ( (LocaleCompare(token,"ExtraLight") == 0) ||
                      (LocaleCompare(token,"UltraLight") == 0) )
              {
                type_info->weight=200;
              }

            else if (LocaleCompare(token,"Light") == 0)
              {
                type_info->weight=300;
              }

            else if ( (LocaleCompare(token,"Normal") == 0) ||
                      (LocaleCompare(token,"Regular") == 0) )
              {
                type_info->weight=400;
              }

            else if (LocaleCompare(token,"Medium") == 0)
              {
                type_info->weight=500;
              }

            else if ( (LocaleCompare(token,"SemiBold") == 0) ||
                      (LocaleCompare(token,"DemiBold") == 0) )
              {
                type_info->weight=600;
              }

            else if ( (LocaleCompare(token,"ExtraBold") == 0) ||
                      (LocaleCompare(token,"UltraBold") == 0) )
              {
                type_info->weight=800;
              }

            else if ( (LocaleCompare(token,"Heavy") == 0) ||
                      (LocaleCompare(token,"Black") == 0) )
              {
                type_info->weight=900;
              }

            else if (LocaleCompare(token,"Condensed") == 0)
              {
                type_info->stretch = CondensedStretch;
              }

            else if (LocaleCompare(token,"Expanded") == 0)
              {
                type_info->stretch = ExpandedStretch;
              }

            else if (LocaleCompare(token,"ExtraCondensed") == 0)
              {
                type_info->stretch = ExtraCondensedStretch;
              }

            else if (LocaleCompare(token,"ExtraExpanded") == 0)
              {
                type_info->stretch = ExtraExpandedStretch;
              }

            else if (LocaleCompare(token,"SemiCondensed") == 0)
              {
                type_info->stretch = SemiCondensedStretch;
              }

            else if (LocaleCompare(token,"SemiExpanded") == 0)
              {
                type_info->stretch = SemiExpandedStretch;
              }

            else if (LocaleCompare(token,"UltraCondensed") == 0)
              {
                type_info->stretch = UltraCondensedStretch;
              }

            else if (LocaleCompare(token,"UltraExpanded") == 0)
              {
                type_info->stretch = UltraExpandedStretch;
              }

            else
              {
                family_extent=q;
              }
          }

        (void) CopyMagickString(buffer,value_name,family_extent-value_name+1);
        StripString(buffer);
        type_info->family=ConstantString(buffer);

        list_entries++;
        status=AddValueToSplayTree(type_cache,ConstantString(type_info->name),
          type_info);
        if (status == MagickFalse)
          (void) ThrowMagickException(exception,GetMagickModule(),
            ResourceLimitError,"MemoryAllocationFailed","`%s'",type_info->name);
      }
  }
  RegCloseKey(reg_key);
  return(MagickTrue);
}
示例#7
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e D E B U G I m a g e                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteDEBUGImage writes the image pixel values with 20 places of precision.
%
%  The format of the WriteDEBUGImage method is:
%
%      MagickBooleanType WriteDEBUGImage(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 WriteDEBUGImage(const ImageInfo *image_info,
  Image *image,ExceptionInfo *exception)
{
  char
    buffer[MaxTextExtent],
    colorspace[MaxTextExtent],
    tuple[MaxTextExtent];

  ssize_t
    y;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  PixelInfo
    pixel;

  register const Quantum
    *p;

  register ssize_t
    x;

  /*
    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,WriteBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  scene=0;
  do
  {
    (void) CopyMagickString(colorspace,CommandOptionToMnemonic(
      MagickColorspaceOptions,(ssize_t) image->colorspace),MaxTextExtent);
    LocaleLower(colorspace);
    image->depth=GetImageQuantumDepth(image,MagickTrue);
    if (image->alpha_trait == BlendPixelTrait)
      (void) ConcatenateMagickString(colorspace,"a",MaxTextExtent);
    (void) FormatLocaleString(buffer,MaxTextExtent,
      "# ImageMagick pixel debugging: %.20g,%.20g,%.20g,%s\n",(double)
      image->columns,(double) image->rows,(double) ((MagickOffsetType)
      GetQuantumRange(image->depth)),colorspace);
    (void) WriteBlobString(image,buffer);
    GetPixelInfo(image,&pixel);
    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++)
      {
        (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g: ",(double)
          x,(double) y);
        (void) WriteBlobString(image,buffer);
        GetPixelInfoPixel(image,p,&pixel);
        (void) FormatLocaleString(tuple,MaxTextExtent,"%.20g,%.20g,%.20g ",
          (double) pixel.red,(double) pixel.green,(double) pixel.blue);
        if (pixel.colorspace == CMYKColorspace)
          {
            char
              black[MaxTextExtent];

            (void) FormatLocaleString(black,MaxTextExtent,",%.20g ",
              (double) pixel.black);
            (void) ConcatenateMagickString(tuple,black,MaxTextExtent);
          }
        if (pixel.alpha_trait == BlendPixelTrait)
          {
            char
              alpha[MaxTextExtent];

            (void) FormatLocaleString(alpha,MaxTextExtent,",%.20g ",
              (double) pixel.alpha);
            (void) ConcatenateMagickString(tuple,alpha,MaxTextExtent);
          }
        (void) WriteBlobString(image,tuple);
        (void) WriteBlobString(image,"\n");
        p+=GetPixelChannels(image);
      }
      status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
        image->rows);
      if (status == MagickFalse)
        break;
    }
    if (GetNextImageInList(image) == (Image *) NULL)
      break;
    image=SyncNextImageInList(image);
    status=SetImageProgress(image,SaveImagesTag,scene++,
      GetImageListLength(image));
    if (status == MagickFalse)
      break;
  } while (image_info->adjoin != MagickFalse);
  (void) CloseBlob(image);
  return(MagickTrue);
}
示例#8
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e J P 2 I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Method 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:
%
%      MagickPassFail WriteJP2Image(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o status: Method WriteJP2Image return MagickTrue if the image is written.
%      MagickFalse is returned is there is a memory shortage or if the image file
%      fails to write.
%
%    o image_info: Specifies a pointer to a ImageInfo structure.
%
%    o image:  A pointer to an Image structure.
%
%
*/
static MagickPassFail
WriteJP2Image(const ImageInfo *image_info,Image *image)
{
  char
    magick[MaxTextExtent],
    option_keyval[MaxTextExtent],
    *options = NULL;

  int
    format;

  long
    y;

  jas_image_cmptparm_t
    component_info;

  jas_image_t
    *jp2_image;

  jas_matrix_t
    *jp2_pixels;

  jas_stream_t
    *jp2_stream;

  register const PixelPacket
    *p;

  register int
    x;

  unsigned int
    rate_specified=False,
    status;

  int
    component,
    number_components;

  unsigned short
    *lut;

  ImageCharacteristics
    characteristics;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == False)
    ThrowWriterException(FileOpenError,UnableToOpenFile,image);

  /*
    Ensure that image is in RGB space.
  */
  (void) TransformColorspace(image,RGBColorspace);

  /*
    Analyze image to be written.
  */
  if (!GetImageCharacteristics(image,&characteristics,
                               (OptimizeType == image_info->type),
                               &image->exception))
    {
      CloseBlob(image);
      return MagickFail;
    }

  /*
    Obtain a JP2 stream.
  */
  jp2_stream=JP2StreamManager(image);
  if (jp2_stream == (jas_stream_t *) NULL)
    ThrowWriterException(DelegateError,UnableToManageJP2Stream,image);
  number_components=image->matte ? 4 : 3;
  if ((image_info->type != TrueColorType) &&
      (characteristics.grayscale))
    number_components=1;

  jp2_image=jas_image_create0();
  if (jp2_image == (jas_image_t *) NULL)
    ThrowWriterException(DelegateError,UnableToCreateImage,image);

  for (component=0; component < number_components; component++)
  {
    (void) memset((void *)&component_info,0,sizeof(jas_image_cmptparm_t));
    component_info.tlx=0; /* top left x ordinate */
    component_info.tly=0; /* top left y ordinate */
    component_info.hstep=1; /* horizontal pixels per step */
    component_info.vstep=1; /* vertical pixels per step */
    component_info.width=(unsigned int) image->columns;
    component_info.height=(unsigned int) image->rows;
    component_info.prec=(unsigned int) Max(2,Min(image->depth,16)); /* bits in range */
    component_info.sgnd = false;  /* range is signed value? */

    if (jas_image_addcmpt(jp2_image, component,&component_info)) {
      jas_image_destroy(jp2_image);
      ThrowWriterException(DelegateError,UnableToCreateImageComponent,image);
    }
  }

  /*
    Allocate and compute LUT.
  */
  {
    unsigned long
      i,
      max_value;

    double
      scale_to_component;

    lut=MagickAllocateArray(unsigned short *,MaxMap+1,sizeof(*lut));
    if (lut == (unsigned short *) NULL)
      {
	jas_image_destroy(jp2_image);
	ThrowWriterException(ResourceLimitError,MemoryAllocationFailed,image);
      }

    max_value=MaxValueGivenBits(component_info.prec);
    scale_to_component=max_value/MaxRGBDouble;
    for(i=0; i <= MaxMap; i++)
	lut[i]=scale_to_component*i+0.5;
  }

  if (number_components == 1)
    {
      /* FIXME: If image has an attached ICC profile, then the profile
         should be transferred and the image colorspace set to
         JAS_CLRSPC_GENGRAY */
      /* sRGB Grayscale */
      (void) LogMagickEvent(CoderEvent,GetMagickModule(),
        "Setting SGRAY colorspace");
      jas_image_setclrspc(jp2_image, JAS_CLRSPC_SGRAY);
      (void) LogMagickEvent(CoderEvent,GetMagickModule(),
        "Setting GRAY channel to channel 0");
      jas_image_setcmpttype(jp2_image,0,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
    }
  else
    {
      /* FIXME: If image has an attached ICC profile, then the profile
         should be transferred and the image colorspace set to
         JAS_CLRSPC_GENRGB */

      /* sRGB */
      (void) LogMagickEvent(CoderEvent,GetMagickModule(),
        "Setting SRGB colorspace");
      jas_image_setclrspc(jp2_image, JAS_CLRSPC_SRGB);
      (void) LogMagickEvent(CoderEvent,GetMagickModule(),
        "Setting RED channel to channel 0");
      jas_image_setcmpttype(jp2_image,0,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
      (void) LogMagickEvent(CoderEvent,GetMagickModule(),
        "Setting GREEN channel to channel 1");
      jas_image_setcmpttype(jp2_image,1,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
      (void) LogMagickEvent(CoderEvent,GetMagickModule(),
        "Setting BLUE channel to channel 2");
      jas_image_setcmpttype(jp2_image,2,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
      if (number_components == 4 )
        {
          (void) LogMagickEvent(CoderEvent,GetMagickModule(),
            "Setting OPACITY channel to channel 3");
          jas_image_setcmpttype(jp2_image,3,
            JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_OPACITY));
        }
    }
  /*
    Convert to JPEG 2000 pixels.
  */
  jp2_pixels=jas_matrix_create(1,(unsigned int) image->columns);
  if (jp2_pixels == (jas_matrix_t *) NULL)
    {
      MagickFreeMemory(lut);
      jas_image_destroy(jp2_image);
      ThrowWriterException(ResourceLimitError,MemoryAllocationFailed,image);
    }

  for (y=0; y < (long) image->rows; y++)
  {
    p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
    if (p == (const PixelPacket *) NULL)
      break;
    if (number_components == 1)
      {
	for (x=0; x < (long) image->columns; x++)
	  jas_matrix_setv(jp2_pixels,x,lut[ScaleQuantumToMap(PixelIntensityToQuantum(&p[x]))]);
	(void) jas_image_writecmpt(jp2_image,0,0,(unsigned int) y,
				   (unsigned int) image->columns,1,jp2_pixels);
      }
    else
      {
	for (x=0; x < (long) image->columns; x++)
	  jas_matrix_setv(jp2_pixels,x,lut[ScaleQuantumToMap(p[x].red)]);
	(void) jas_image_writecmpt(jp2_image,0,0,(unsigned int) y,
				   (unsigned int) image->columns,1,jp2_pixels);

	for (x=0; x < (long) image->columns; x++)
	  jas_matrix_setv(jp2_pixels,x,lut[ScaleQuantumToMap(p[x].green)]);
	(void) jas_image_writecmpt(jp2_image,1,0,(unsigned int) y,
				   (unsigned int) image->columns,1,jp2_pixels);

	for (x=0; x < (long) image->columns; x++)
	  jas_matrix_setv(jp2_pixels,x,lut[ScaleQuantumToMap(p[x].blue)]);
	(void) jas_image_writecmpt(jp2_image,2,0,(unsigned int) y,
				   (unsigned int) image->columns,1,jp2_pixels);

	if (number_components > 3)
	  for (x=0; x < (long) image->columns; x++)
	    jas_matrix_setv(jp2_pixels,x,lut[ScaleQuantumToMap(MaxRGB-p[x].opacity)]);
	(void) jas_image_writecmpt(jp2_image,3,0,(unsigned int) y,
				   (unsigned int) image->columns,1,jp2_pixels);
      }
    if (image->previous == (Image *) NULL)
      if (QuantumTick(y,image->rows))
        if (!MagickMonitorFormatted(y,image->rows,&image->exception,
                                    SaveImageText,image->filename,
				    image->columns,image->rows))
          break;
  }
  (void) strlcpy(magick,image_info->magick,MaxTextExtent);
  /*
    J2C is an alias for JPC but Jasper only supports "JPC".
  */
  if (LocaleCompare(magick,"j2c") == 0)
    (void) strlcpy(magick,"jpc",sizeof(magick));
  LocaleLower(magick);
  format=jas_image_strtofmt(magick);

  /*
    Support passing Jasper options.
  */
  {
    const char
      **option_name;

    static const char *jasper_options[] =
      {
        "imgareatlx",
        "imgareatly",
        "tilegrdtlx",
        "tilegrdtly",
        "tilewidth",
        "tileheight",
        "prcwidth",
        "prcheight",
        "cblkwidth",
        "cblkheight",
        "mode",
        "ilyrrates",
        "prg",
        "nomct",
        "numrlvls",
        "sop",
        "eph",
        "lazy",
        "rate",
        "termall",
        "segsym",
        "vcausal",
        "pterm",
        "resetprob",
        "numgbits",
        NULL
      };
    for (option_name = jasper_options; *option_name != NULL; option_name++)
      {
        const char
          *value;

        if ((value=AccessDefinition(image_info,"jp2",*option_name)) != NULL)
          {
            if(LocaleCompare(*option_name,"rate") == 0)
              rate_specified=True;
            FormatString(option_keyval,"%s=%.1024s ",*option_name,value);
            ConcatenateString(&options,option_keyval);
          }
      }
  }
  /*
    Provide an emulation of IJG JPEG "quality" by default.
  */
  if (rate_specified == False)
    {
      double
        rate=1.0;
      
      /*
        A rough approximation to JPEG v1 quality using JPEG-2000.
        Default "quality" 75 results in a request for 16:1 compression, which
        results in image sizes approximating that of JPEG v1.
      */
      if ((image_info->quality < 99.5) && (image->rows*image->columns > 2500))
        {
          double
            header_size,
            current_size,
            target_size,
            d;
          
          d=115-image_info->quality;  /* Best number is 110-115 */
          rate=100.0/(d*d);
          header_size=550.0; /* Base file size. */
          header_size+=(number_components-1)*142; /* Additional components */
          /* FIXME: Need to account for any ICC profiles here */
          
          current_size=(double)((image->rows*image->columns*image->depth)/8)*
            number_components;
          target_size=(current_size*rate)+header_size;
          rate=target_size/current_size;
        }
      FormatString(option_keyval,"%s=%g ","rate",rate);
      ConcatenateString(&options,option_keyval);
      (void) LogMagickEvent(CoderEvent,GetMagickModule(),
        "Compression rate: %g (%3.2f:1)",rate,1.0/rate);
    }
  if (options)
    (void) LogMagickEvent(CoderEvent,GetMagickModule(),
       "Jasper options: \"%s\"", options);

  (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Encoding image");
  status=jas_image_encode(jp2_image,jp2_stream,format,options);
  (void) jas_stream_close(jp2_stream);
  MagickFreeMemory(options);
  MagickFreeMemory(lut);
  jas_matrix_destroy(jp2_pixels);
  jas_image_destroy(jp2_image);
  if (status)
    ThrowWriterException(DelegateError,UnableToEncodeImageFile,image);
  return(True);
}
示例#9
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e T X T I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteTXTImage writes the pixel values as text numbers.
%
%  The format of the WriteTXTImage method is:
%
%      MagickBooleanType WriteTXTImage(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 WriteTXTImage(const ImageInfo *image_info,Image *image,
                                       ExceptionInfo *exception)
{
    char
    buffer[MagickPathExtent],
           colorspace[MagickPathExtent],
           tuple[MagickPathExtent];

    MagickBooleanType
    status;

    MagickOffsetType
    scene;

    PixelInfo
    pixel;

    register const Quantum
    *p;

    register ssize_t
    x;

    ssize_t
    y;

    /*
      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);
    status=OpenBlob(image_info,image,WriteBlobMode,exception);
    if (status == MagickFalse)
        return(status);
    scene=0;
    do
    {
        ComplianceType
        compliance;

        const char
        *value;

        (void) CopyMagickString(colorspace,CommandOptionToMnemonic(
                                    MagickColorspaceOptions,(ssize_t) image->colorspace),MagickPathExtent);
        LocaleLower(colorspace);
        image->depth=GetImageQuantumDepth(image,MagickTrue);
        if (image->alpha_trait != UndefinedPixelTrait)
            (void) ConcatenateMagickString(colorspace,"a",MagickPathExtent);
        compliance=NoCompliance;
        value=GetImageOption(image_info,"txt:compliance");
        if (value != (char *) NULL)
            compliance=(ComplianceType) ParseCommandOption(MagickComplianceOptions,
                       MagickFalse,value);
        if (LocaleCompare(image_info->magick,"SPARSE-COLOR") != 0)
        {
            size_t
            depth;

            depth=compliance == SVGCompliance ? image->depth :
                  MAGICKCORE_QUANTUM_DEPTH;
            (void) FormatLocaleString(buffer,MagickPathExtent,
                                      "# ImageMagick pixel enumeration: %.20g,%.20g,%.20g,%s\n",(double)
                                      image->columns,(double) image->rows,(double) ((MagickOffsetType)
                                              GetQuantumRange(depth)),colorspace);
            (void) WriteBlobString(image,buffer);
        }
        GetPixelInfo(image,&pixel);
        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++)
            {
                GetPixelInfoPixel(image,p,&pixel);
                if (pixel.colorspace == LabColorspace)
                {
                    pixel.green-=(QuantumRange+1)/2.0;
                    pixel.blue-=(QuantumRange+1)/2.0;
                }
                if (LocaleCompare(image_info->magick,"SPARSE-COLOR") == 0)
                {
                    /*
                      Sparse-color format.
                    */
                    if (GetPixelAlpha(image,p) == (Quantum) OpaqueAlpha)
                    {
                        GetColorTuple(&pixel,MagickFalse,tuple);
                        (void) FormatLocaleString(buffer,MagickPathExtent,
                                                  "%.20g,%.20g,",(double) x,(double) y);
                        (void) WriteBlobString(image,buffer);
                        (void) WriteBlobString(image,tuple);
                        (void) WriteBlobString(image," ");
                    }
                    p+=GetPixelChannels(image);
                    continue;
                }
                (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g,%.20g: ",
                                          (double) x,(double) y);
                (void) WriteBlobString(image,buffer);
                (void) CopyMagickString(tuple,"(",MagickPathExtent);
                if (pixel.colorspace == GRAYColorspace)
                    ConcatenateColorComponent(&pixel,GrayPixelChannel,compliance,
                                              tuple);
                else
                {
                    ConcatenateColorComponent(&pixel,RedPixelChannel,compliance,tuple);
                    (void) ConcatenateMagickString(tuple,",",MagickPathExtent);
                    ConcatenateColorComponent(&pixel,GreenPixelChannel,compliance,
                                              tuple);
                    (void) ConcatenateMagickString(tuple,",",MagickPathExtent);
                    ConcatenateColorComponent(&pixel,BluePixelChannel,compliance,tuple);
                }
                if (pixel.colorspace == CMYKColorspace)
                {
                    (void) ConcatenateMagickString(tuple,",",MagickPathExtent);
                    ConcatenateColorComponent(&pixel,BlackPixelChannel,compliance,
                                              tuple);
                }
                if (pixel.alpha_trait != UndefinedPixelTrait)
                {
                    (void) ConcatenateMagickString(tuple,",",MagickPathExtent);
                    ConcatenateColorComponent(&pixel,AlphaPixelChannel,compliance,
                                              tuple);
                }
                (void) ConcatenateMagickString(tuple,")",MagickPathExtent);
                (void) WriteBlobString(image,tuple);
                (void) WriteBlobString(image,"  ");
                GetColorTuple(&pixel,MagickTrue,tuple);
                (void) FormatLocaleString(buffer,MagickPathExtent,"%s",tuple);
                (void) WriteBlobString(image,buffer);
                (void) WriteBlobString(image,"  ");
                (void) QueryColorname(image,&pixel,SVGCompliance,tuple,exception);
                (void) WriteBlobString(image,tuple);
                (void) WriteBlobString(image,"\n");
                p+=GetPixelChannels(image);
            }
            status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
                                    image->rows);
            if (status == MagickFalse)
                break;
        }
        if (GetNextImageInList(image) == (Image *) NULL)
            break;
        image=SyncNextImageInList(image);
        status=SetImageProgress(image,SaveImagesTag,scene++,
                                GetImageListLength(image));
        if (status == MagickFalse)
            break;
    } while (image_info->adjoin != MagickFalse);
    (void) CloseBlob(image);
    return(MagickTrue);
}
示例#10
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d T X T I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadTXTImage() reads a text file and returns it as an image.  It allocates
%  the memory necessary for the new Image structure and returns a pointer to
%  the new image.
%
%  The format of the ReadTXTImage method is:
%
%      Image *ReadTXTImage(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 *ReadTXTImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
    char
    colorspace[MagickPathExtent],
               text[MagickPathExtent];

    Image
    *image;

    long
    x_offset,
    y_offset;

    PixelInfo
    pixel;

    MagickBooleanType
    status;

    QuantumAny
    range;

    register ssize_t
    i,
    x;

    register Quantum
    *q;

    ssize_t
    count,
    type,
    y;

    unsigned long
    depth,
    height,
    max_value,
    width;

    /*
      Open image file.
    */
    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);
    status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
    if (status == MagickFalse)
    {
        image=DestroyImageList(image);
        return((Image *) NULL);
    }
    (void) ResetMagickMemory(text,0,sizeof(text));
    (void) ReadBlobString(image,text);
    if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) != 0)
        ThrowReaderException(CorruptImageError,"ImproperImageHeader");
    do
    {
        width=0;
        height=0;
        max_value=0;
        *colorspace='\0';
        count=(ssize_t) sscanf(text+32,"%lu,%lu,%lu,%s",&width,&height,&max_value,
                               colorspace);
        if ((count != 4) || (width == 0) || (height == 0) || (max_value == 0))
            ThrowReaderException(CorruptImageError,"ImproperImageHeader");
        image->columns=width;
        image->rows=height;
        for (depth=1; (GetQuantumRange(depth)+1) < max_value; depth++) ;
        image->depth=depth;
        status=SetImageExtent(image,image->columns,image->rows,exception);
        if (status == MagickFalse)
            return(DestroyImageList(image));
        LocaleLower(colorspace);
        i=(ssize_t) strlen(colorspace)-1;
        image->alpha_trait=UndefinedPixelTrait;
        if ((i > 0) && (colorspace[i] == 'a'))
        {
            colorspace[i]='\0';
            image->alpha_trait=BlendPixelTrait;
        }
        type=ParseCommandOption(MagickColorspaceOptions,MagickFalse,colorspace);
        if (type < 0)
            ThrowReaderException(CorruptImageError,"ImproperImageHeader");
        (void) SetImageBackgroundColor(image,exception);
        (void) SetImageColorspace(image,(ColorspaceType) type,exception);
        GetPixelInfo(image,&pixel);
        range=GetQuantumRange(image->depth);
        for (y=0; y < (ssize_t) image->rows; y++)
        {
            double
            alpha,
            black,
            blue,
            green,
            red;

            red=0.0;
            green=0.0;
            blue=0.0;
            black=0.0;
            alpha=0.0;
            for (x=0; x < (ssize_t) image->columns; x++)
            {
                if (ReadBlobString(image,text) == (char *) NULL)
                    break;
                switch (image->colorspace)
                {
                case GRAYColorspace:
                {
                    if (image->alpha_trait != UndefinedPixelTrait)
                    {
                        count=(ssize_t) sscanf(text,"%ld,%ld: (%lf%*[%,]%lf%*[%,]",
                                               &x_offset,&y_offset,&red,&alpha);
                        green=red;
                        blue=red;
                        break;
                    }
                    count=(ssize_t) sscanf(text,"%ld,%ld: (%lf%*[%,]",&x_offset,
                                           &y_offset,&red);
                    green=red;
                    blue=red;
                    break;
                }
                case CMYKColorspace:
                {
                    if (image->alpha_trait != UndefinedPixelTrait)
                    {
                        count=(ssize_t) sscanf(text,
                                               "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",
                                               &x_offset,&y_offset,&red,&green,&blue,&black,&alpha);
                        break;
                    }
                    count=(ssize_t) sscanf(text,
                                           "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",&x_offset,
                                           &y_offset,&red,&green,&blue,&black);
                    break;
                }
                default:
                {
                    if (image->alpha_trait != UndefinedPixelTrait)
                    {
                        count=(ssize_t) sscanf(text,
                                               "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",
                                               &x_offset,&y_offset,&red,&green,&blue,&alpha);
                        break;
                    }
                    count=(ssize_t) sscanf(text,
                                           "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]",&x_offset,
                                           &y_offset,&red,&green,&blue);
                    break;
                }
                }
                if (strchr(text,'%') != (char *) NULL)
                {
                    red*=0.01*range;
                    green*=0.01*range;
                    blue*=0.01*range;
                    black*=0.01*range;
                    alpha*=0.01*range;
                }
                if (image->colorspace == LabColorspace)
                {
                    green+=(range+1)/2.0;
                    blue+=(range+1)/2.0;
                }
                pixel.red=(MagickRealType) ScaleAnyToQuantum((QuantumAny) (red+0.5),
                          range);
                pixel.green=(MagickRealType) ScaleAnyToQuantum((QuantumAny) (green+0.5),
                            range);
                pixel.blue=(MagickRealType) ScaleAnyToQuantum((QuantumAny) (blue+0.5),
                           range);
                pixel.black=(MagickRealType) ScaleAnyToQuantum((QuantumAny) (black+0.5),
                            range);
                pixel.alpha=(MagickRealType) ScaleAnyToQuantum((QuantumAny) (alpha+0.5),
                            range);
                q=GetAuthenticPixels(image,(ssize_t) x_offset,(ssize_t) y_offset,1,1,
                                     exception);
                if (q == (Quantum *) NULL)
                    continue;
                SetPixelViaPixelInfo(image,&pixel,q);
                if (SyncAuthenticPixels(image,exception) == MagickFalse)
                    break;
            }
        }
        (void) ReadBlobString(image,text);
        if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) == 0)
        {
            /*
              Allocate next image structure.
            */
            AcquireNextImage(image_info,image,exception);
            if (GetNextImageInList(image) == (Image *) NULL)
            {
                image=DestroyImageList(image);
                return((Image *) NULL);
            }
            image=SyncNextImageInList(image);
            status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
                                    GetBlobSize(image));
            if (status == MagickFalse)
                break;
        }
    } while (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) == 0);
    (void) CloseBlob(image);
    return(GetFirstImageInList(image));
}
示例#11
0
文件: jp2.c 项目: 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,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 WriteJP2Image(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
  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 Quantum
    *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);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  /*
    Initialize JPEG 2000 API.
  */
  if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace,exception);
  jp2_stream=JP2StreamManager(image);
  if (jp2_stream == (jas_stream_t *) NULL)
    ThrowWriterException(DelegateError,"UnableToManageJP2Stream");
  number_components=image->alpha_trait ? 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,exception);
    if (p == (const Quantum *) 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(
          GetPixelIntensity(image,p),range));
      else
        {
          jas_matrix_setv(pixels[0],x,(jas_seqent_t) ScaleQuantumToAny(
            GetPixelRed(image,p),range));
          jas_matrix_setv(pixels[1],x,(jas_seqent_t) ScaleQuantumToAny(
            GetPixelGreen(image,p),range));
          jas_matrix_setv(pixels[2],x,(jas_seqent_t) ScaleQuantumToAny(
            GetPixelBlue(image,p),range));
          if (number_components > 3)
            jas_matrix_setv(pixels[3],x,(jas_seqent_t) ScaleQuantumToAny(
              GetPixelAlpha(image,p),range));
        }
      p+=GetPixelChannels(image);
    }
    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);
}
示例#12
0
文件: jp2.c 项目: 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;

  long
    format,
    y;

  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 long
    i,
    x;

  unsigned short
    *map;

  unsigned long
    number_components;

  /*
    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);
  /*
    Intialize JPEG 2000 API.
  */
  if (image->colorspace != RGBColorspace)
    (void) TransformImageColorspace(image,RGBColorspace);
  jp2_stream=JP2StreamManager(image);
  if (jp2_stream == (jas_stream_t *) NULL)
    ThrowWriterException(DelegateError,"UnableToManageJP2Stream");
  number_components=image->matte ? 4UL : 3UL;
  if ((image_info->type != TrueColorType) &&
      IsGrayImage(image,&image->exception))
    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 < (long) 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");
  if (number_components == 1)
    {
      /*
        sRGB Grayscale.
      */
      jas_image_setclrspc(jp2_image,JAS_CLRSPC_SGRAY);
      jas_image_setcmpttype(jp2_image,0,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
    }
  else
    {
      /*
        sRGB.
      */
      jas_image_setclrspc(jp2_image,JAS_CLRSPC_SRGB);
      jas_image_setcmpttype(jp2_image,0,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
      jas_image_setcmpttype(jp2_image,1,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
      jas_image_setcmpttype(jp2_image,2,
        JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
      if (number_components == 4)
        jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY);
    }
  /*
    Convert to JPEG 2000 pixels.
  */
  for (i=0; i < (long) 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((unsigned long) component_info[0].prec);
  map=(unsigned short *) AcquireQuantumMemory(MaxMap+1,sizeof(*map));
  for (i=0; i <= (long) MaxMap; i++)
    map[i]=(unsigned short) ScaleQuantumToMap((Quantum)
      ScaleQuantumToAny((Quantum) i,range));
  if (map == (unsigned short *) NULL)
    {
      for (i=0; i < (long) number_components; i++)
        jas_matrix_destroy(pixels[i]);
      jas_image_destroy(jp2_image);
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    }
  for (y=0; y < (long) image->rows; y++)
  {
    p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
    if (p == (const PixelPacket *) NULL)
      break;
    for (x=0; x < (long) image->columns; x++)
    {
      if (number_components == 1)
        jas_matrix_setv(pixels[0],x,map[ScaleQuantumToMap(
          PixelIntensityToQuantum(p))]);
      else
        {
          jas_matrix_setv(pixels[0],x,map[ScaleQuantumToMap(p->red)]);
          jas_matrix_setv(pixels[1],x,map[ScaleQuantumToMap(p->green)]);
          jas_matrix_setv(pixels[2],x,map[ScaleQuantumToMap(p->blue)]);
          if (number_components > 3)
            jas_matrix_setv(pixels[3],x,map[ScaleQuantumToMap((Quantum)
              (QuantumRange-p->opacity))]);
        }
      p++;
    }
    for (i=0; i < (long) 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,y,image->rows);
    if (status == MagickFalse)
      break;
  }
  map=(unsigned short *) RelinquishMagickMemory(map);
  (void) CopyMagickString(magick,image_info->magick,MaxTextExtent);
  LocaleLower(magick);
  format=jas_image_strtofmt(magick);
  options=(char *) NULL;
  ResetImageOptionIterator(image_info);
  key=GetNextImageOption(image_info);
  while (key != (char *) NULL)
  {
    option=GetImageOption(image_info,key);
    if (option != (const char *) NULL)
      {
        if (LocaleNCompare(key,"jp2:",4) == 0)
          {
            (void) ConcatenateString(&options,key+4);
            if (*option != '\0')
              {
                (void) ConcatenateString(&options,"=");
                (void) ConcatenateString(&options,option);
              }
            (void) ConcatenateString(&options," ");
          }
       }
    key=GetNextImageOption(image_info);
  }
  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) FormatMagickString(option,MaxTextExtent,"rate=%g",rate);
      (void) ConcatenateString(&options,option);
    }
  status=jas_image_encode(jp2_image,jp2_stream,format,options) != 0 ?
    MagickTrue : MagickFalse;
  (void) jas_stream_close(jp2_stream);
  for (i=0; i < (long) number_components; i++)
    jas_matrix_destroy(pixels[i]);
  jas_image_destroy(jp2_image);
  if (status != MagickFalse)
    ThrowWriterException(DelegateError,"UnableToEncodeImageFile");
  return(MagickTrue);
}
示例#13
0
文件: txt.c 项目: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e T X T I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteTXTImage writes the pixel values as text numbers.
%
%  The format of the WriteTXTImage method is:
%
%      MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image)
{
  char
    buffer[MaxTextExtent],
    colorspace[MaxTextExtent],
    tuple[MaxTextExtent];

  long
    y;

  MagickBooleanType
    status;

  MagickPixelPacket
    pixel;

  register const IndexPacket
    *indexes;

  register const PixelPacket
    *p;

  register long
    x;

  /*
    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,WriteBlobMode,&image->exception);
  if (status == MagickFalse)
    return(status);
  (void) CopyMagickString(colorspace,MagickOptionToMnemonic(
    MagickColorspaceOptions,(long) image->colorspace),MaxTextExtent);
  LocaleLower(colorspace);
  image->depth=GetImageQuantumDepth(image,MagickTrue);
  if (image->matte != MagickFalse)
    (void) ConcatenateMagickString(colorspace,"a",MaxTextExtent);
  (void) FormatMagickString(buffer,MaxTextExtent,
    "# ImageMagick pixel enumeration: %lu,%lu,%lu,%s\n",image->columns,
    image->rows,(unsigned long) GetQuantumRange(image->depth),colorspace);
  (void) WriteBlobString(image,buffer);
  GetMagickPixelPacket(image,&pixel);
  for (y=0; y < (long) 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 < (long) image->columns; x++)
    {
      (void) FormatMagickString(buffer,MaxTextExtent,"%ld,%ld: ",x,y);
      (void) WriteBlobString(image,buffer);
      SetMagickPixelPacket(image,p,indexes+x,&pixel);
      (void) CopyMagickString(tuple,"(",MaxTextExtent);
      ConcatenateColorComponent(&pixel,RedChannel,X11Compliance,tuple);
      (void) ConcatenateMagickString(tuple,",",MaxTextExtent);
      ConcatenateColorComponent(&pixel,GreenChannel,X11Compliance,tuple);
      (void) ConcatenateMagickString(tuple,",",MaxTextExtent);
      ConcatenateColorComponent(&pixel,BlueChannel,X11Compliance,tuple);
      if (pixel.colorspace == CMYKColorspace)
        {
          (void) ConcatenateMagickString(tuple,",",MaxTextExtent);
          ConcatenateColorComponent(&pixel,IndexChannel,X11Compliance,tuple);
        }
      if (pixel.matte != MagickFalse)
        {
          (void) ConcatenateMagickString(tuple,",",MaxTextExtent);
          ConcatenateColorComponent(&pixel,AlphaChannel,X11Compliance,tuple);
        }
      (void) ConcatenateMagickString(tuple,")",MaxTextExtent);
      (void) WriteBlobString(image,tuple);
      (void) WriteBlobString(image,"  ");
      GetColorTuple(&pixel,MagickTrue,tuple);
      (void) FormatMagickString(buffer,MaxTextExtent,"%s",tuple);
      (void) WriteBlobString(image,buffer);
      (void) WriteBlobString(image,"  ");
      (void) QueryMagickColorname(image,&pixel,SVGCompliance,tuple,
        &image->exception);
      (void) WriteBlobString(image,tuple);
      (void) WriteBlobString(image,"\n");
      p++;
    }
    status=SetImageProgress(image,SaveImageTag,y,image->rows);
    if (status == MagickFalse)
      break;
  }
  (void) CloseBlob(image);
  return(MagickTrue);
}
示例#14
0
文件: txt.c 项目: 0xPr0xy/ImageMagick
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d T X T I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadTXTImage() reads a text file and returns it as an image.  It allocates
%  the memory necessary for the new Image structure and returns a pointer to
%  the new image.
%
%  The format of the ReadTXTImage method is:
%
%      Image *ReadTXTImage(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 *ReadTXTImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  char
    colorspace[MaxTextExtent],
    text[MaxTextExtent];

  Image
    *image;

  IndexPacket
    *indexes;

  long
    type,
    x,
    y;

  LongPixelPacket
    pixel;

  MagickBooleanType
    status;

  QuantumAny
    range;

  register long
    i;

  register PixelPacket
    *q;

  ssize_t
    count;

  unsigned long
    depth,
    max_value;

  /*
    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) ResetMagickMemory(text,0,sizeof(text));
  (void) ReadBlobString(image,text);
  if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) != 0)
    return(ReadTEXTImage(image_info,image,text,exception));
  *colorspace='\0';
  count=(ssize_t) sscanf(text+32,"%lu,%lu,%lu,%s",&image->columns,
    &image->rows,&max_value,colorspace);
  if (count != 4)
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  for (depth=1; (GetQuantumRange(depth)+1) < max_value; depth++) ;
  image->depth=depth;
  LocaleLower(colorspace);
  i=(long) strlen(colorspace)-1;
  image->matte=MagickFalse;
  if ((i > 0) && (colorspace[i] == 'a'))
    {
      colorspace[i]='\0';
      image->matte=MagickTrue;
    }
  type=ParseMagickOption(MagickColorspaceOptions,MagickFalse,colorspace);
  if (type < 0)
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  image->colorspace=(ColorspaceType) type;
  (void) ResetMagickMemory(&pixel,0,sizeof(pixel));
  (void) SetImageBackgroundColor(image);
  range=GetQuantumRange(image->depth);
  while (ReadBlobString(image,text) != (char *) NULL)
  {
    if (image->colorspace == CMYKColorspace)
      {
        if (image->matte != MagickFalse)
          count=(ssize_t) sscanf(text,"%ld,%ld: (%lu,%lu,%lu,%lu,%lu",&x,&y,
            &pixel.red,&pixel.green,&pixel.blue,&pixel.index,&pixel.opacity);
        else
          count=(ssize_t) sscanf(text,"%ld,%ld: (%lu,%lu,%lu,%lu",&x,&y,
            &pixel.red,&pixel.green,&pixel.blue,&pixel.index);
      }
    else
      if (image->matte != MagickFalse)
        count=(ssize_t) sscanf(text,"%ld,%ld: (%lu,%lu,%lu,%lu",&x,&y,
          &pixel.red,&pixel.green,&pixel.blue,&pixel.opacity);
      else
        count=(ssize_t) sscanf(text,"%ld,%ld: (%lu,%lu,%lu",&x,&y,
          &pixel.red,&pixel.green,&pixel.blue);
    if (count < 5)
      continue;
    q=GetAuthenticPixels(image,x,y,1,1,exception);
    if (q == (PixelPacket *) NULL)
      continue;
    q->red=ScaleAnyToQuantum(pixel.red,range);
    q->green=ScaleAnyToQuantum(pixel.green,range);
    q->blue=ScaleAnyToQuantum(pixel.blue,range);
    if (image->colorspace == CMYKColorspace)
      {
        indexes=GetAuthenticIndexQueue(image);
        *indexes=ScaleAnyToQuantum(pixel.index,range);
      }
    if (image->matte != MagickFalse)
      q->opacity=(Quantum) (QuantumRange-ScaleAnyToQuantum(pixel.opacity,
        range));
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
  }
  return(GetFirstImageInList(image));
}