coders/uil.c - platform/external/ImageMagick - Gitiles

 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %                            U   U  IIIII  L                                  %
 %                            U   U    I    L                                  %
 %                            U   U    I    L                                  %
 %                            U   U    I    L                                  %
 %                             UUU   IIIII  LLLLL                              %
 %                                                                             %
 %                                                                             %
 %                          Write X-Motif UIL Table.                           %
 %                                                                             %
 %                              Software Design                                %
 %                                John Cristy                                  %
 %                                 July 1992                                   %
 %                                                                             %
 %                                                                             %
 %  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization      %
 %  dedicated to making software imaging solutions freely available.           %
 %                                                                             %
 %  You may not use this file except in compliance with the License.  You may  %
 %  obtain a copy of the License at                                            %
 %                                                                             %
 %    http://www.imagemagick.org/script/license.php                            %
 %                                                                             %
 %  Unless required by applicable law or agreed to in writing, software        %
 %  distributed under the License is distributed on an "AS IS" BASIS,          %
 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
 %  See the License for the specific language governing permissions and        %
 %  limitations under the License.                                             %
 %                                                                             %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 %
 */

 /*
   Include declarations.
 */
 #include "magick/studio.h"
 #include "magick/blob.h"
 #include "magick/blob-private.h"
 #include "magick/cache.h"
 #include "magick/color.h"
 #include "magick/color-private.h"
 #include "magick/colorspace.h"
 #include "magick/exception.h"
 #include "magick/exception-private.h"
 #include "magick/image-private.h"
 #include "magick/magick.h"
 #include "magick/memory_.h"
 #include "magick/monitor.h"
 #include "magick/monitor-private.h"
 #include "magick/pixel-private.h"
 #include "magick/quantum-private.h"
 #include "magick/static.h"
 #include "magick/string_.h"
 #include "magick/module.h"
 #include "magick/utility.h"

 /*
   Forward declarations.
 */
 static MagickBooleanType
   WriteUILImage(const ImageInfo *,Image *);

 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %   R e g i s t e r U I L I m a g e                                           %
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 %  RegisterUILImage() adds attributes for the UIL image format to
 %  the list of supported formats.  The attributes include the image format
 %  tag, a method to read and/or write the format, whether the format
 %  supports the saving of more than one frame to the same file or blob,
 %  whether the format supports native in-memory I/O, and a brief
 %  description of the format.
 %
 %  The format of the RegisterUILImage method is:
 %
 %      size_t RegisterUILImage(void)
 %
 */
 ModuleExport size_t RegisterUILImage(void)
 {
   MagickInfo
     *entry;

   entry=SetMagickInfo("UIL");
   entry->encoder=(EncodeImageHandler *) WriteUILImage;
   entry->adjoin=MagickFalse;
   entry->description=ConstantString("X-Motif UIL table");
   entry->module=ConstantString("UIL");
   (void) RegisterMagickInfo(entry);
   return(MagickImageCoderSignature);
 }

 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %   U n r e g i s t e r U I L I m a g e                                       %
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 %  UnregisterUILImage() removes format registrations made by the
 %  UIL module from the list of supported formats.
 %
 %  The format of the UnregisterUILImage method is:
 %
 %      UnregisterUILImage(void)
 %
 */
 ModuleExport void UnregisterUILImage(void)
 {
   (void) UnregisterMagickInfo("UIL");
 }

 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %   W r i t e U I L I m a g e                                                 %
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 %  Procedure WriteUILImage() writes an image to a file in the X-Motif UIL table
 %  format.
 %
 %  The format of the WriteUILImage method is:
 %
 %      MagickBooleanType WriteUILImage(const ImageInfo *image_info,Image *image)
 %
 %  A description of each parameter follows.
 %
 %    o image_info: the image info.
 %
 %    o image:  The image.
 %
 */
 static MagickBooleanType WriteUILImage(const ImageInfo *image_info,Image *image)
 {
 #define MaxCixels  92

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

   ExceptionInfo
     *exception;

   int
     j;

   MagickBooleanType
     status,
     transparent;

   MagickPixelPacket
     pixel;

   MagickSizeType
     number_pixels;

   register const IndexPacket
     *indexes;

   register const PixelPacket
     *p;

   register ssize_t
     i,
     x;

   size_t
     characters_per_pixel,
     colors;

   ssize_t
     k,
     y;

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

   /*
     Open output image file.
   */
   assert(image_info != (const ImageInfo *) NULL);
   assert(image_info->signature == MagickSignature);
   assert(image != (Image *) NULL);
   assert(image->signature == MagickSignature);
   if (image->debug != MagickFalse)
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
   status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
   if (status == MagickFalse)
     return(status);
   if (image->colorspace != RGBColorspace)
     (void) TransformImageColorspace(image,RGBColorspace);
   exception=(&image->exception);
   transparent=MagickFalse;
   i=0;
   p=(const PixelPacket *) NULL;
   if (image->storage_class == PseudoClass)
     colors=image->colors;
   else
     {
       unsigned char
         *matte_image;

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

           register PixelPacket
             *q;

           colors++;
           for (y=0; y < (ssize_t) image->rows; y++)
           {
             q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
             if (q == (PixelPacket *) NULL)
               break;
             indexes=GetAuthenticIndexQueue(image);
             for (x=0; x < (ssize_t) image->columns; x++)
             {
               if (matte_image[i] != 0)
                 SetIndexPixelComponent(indexes+x,image->colors);
               p++;
             }
           }
         }
       if (matte_image != (unsigned char *) NULL)
         matte_image=(unsigned char *) RelinquishMagickMemory(matte_image);
     }
   /*
     Compute the character per pixel.
   */
   characters_per_pixel=1;
   for (k=MaxCixels; (ssize_t) colors > k; k*=MaxCixels)
     characters_per_pixel++;
   /*
     UIL header.
   */
   symbol=AcquireString("");
   (void) WriteBlobString(image,"/* UIL */\n");
   GetPathComponent(image->filename,BasePath,basename);
   (void) FormatMagickString(buffer,MaxTextExtent,
     "value\n  %s_ct : color_table(\n",basename);
   (void) WriteBlobString(image,buffer);
   GetMagickPixelPacket(image,&pixel);
   for (i=0; i < (ssize_t) colors; i++)
   {
     /*
       Define UIL color.
     */
     SetMagickPixelPacket(image,image->colormap+i,(IndexPacket *) NULL,&pixel);
     pixel.colorspace=RGBColorspace;
     pixel.depth=8;
     pixel.opacity=(MagickRealType) OpaqueOpacity;
     GetColorTuple(&pixel,MagickTrue,name);
     if (transparent != MagickFalse)
       if (i == (ssize_t) (colors-1))
         (void) CopyMagickString(name,"None",MaxTextExtent);
     /*
       Write UIL color.
     */
     k=i % MaxCixels;
     symbol[0]=Cixel[k];
     for (j=1; j < (int) characters_per_pixel; j++)
     {
       k=((i-k)/MaxCixels) % MaxCixels;
       symbol[j]=Cixel[k];
     }
     symbol[j]='\0';
     (void) SubstituteString(&symbol,"'","''");
     if (LocaleCompare(name,"None") == 0)
       (void) FormatMagickString(buffer,MaxTextExtent,
         "    background color = '%s'",symbol);
     else
       (void) FormatMagickString(buffer,MaxTextExtent,
         "    color('%s',%s) = '%s'",name,
         PixelIntensityToQuantum(image->colormap+i) <
         ((Quantum) QuantumRange/2) ? "background" : "foreground",symbol);
     (void) WriteBlobString(image,buffer);
     (void) FormatMagickString(buffer,MaxTextExtent,"%s",
       (i == (ssize_t) (colors-1) ? ");\n" : ",\n"));
     (void) WriteBlobString(image,buffer);
   }
   /*
     Define UIL pixels.
   */
   GetPathComponent(image->filename,BasePath,basename);
   (void) FormatMagickString(buffer,MaxTextExtent,
     "  %s_icon : icon(color_table = %s_ct,\n",basename,basename);
   (void) WriteBlobString(image,buffer);
   for (y=0; y < (ssize_t) image->rows; y++)
   {
     p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
     if (p == (const PixelPacket *) NULL)
       break;
     indexes=GetVirtualIndexQueue(image);
     (void) WriteBlobString(image,"    \"");
     for (x=0; x < (ssize_t) image->columns; x++)
     {
       k=((ssize_t) GetIndexPixelComponent(indexes+x) % MaxCixels);
       symbol[0]=Cixel[k];
       for (j=1; j < (int) characters_per_pixel; j++)
       {
         k=(((int) GetIndexPixelComponent(indexes+x)-k)/MaxCixels) % MaxCixels;
         symbol[j]=Cixel[k];
       }
       symbol[j]='\0';
       (void) CopyMagickString(buffer,symbol,MaxTextExtent);
       (void) WriteBlobString(image,buffer);
       p++;
     }
     (void) FormatMagickString(buffer,MaxTextExtent,"\"%s\n",
       (y == (ssize_t) (image->rows-1) ? ");" : ","));
     (void) WriteBlobString(image,buffer);
     status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
       image->rows);
     if (status == MagickFalse)
       break;
   }
   symbol=DestroyString(symbol);
   (void) CloseBlob(image);
   return(MagickTrue);
 }
	/*
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	% %
	% %
	% %
	% U U IIIII L %
	% U U I L %
	% U U I L %
	% U U I L %
	% UUU IIIII LLLLL %
	% %
	% %
	% Write X-Motif UIL Table. %
	% %
	% Software Design %
	% John Cristy %
	% July 1992 %
	% %
	% %
	% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
	% dedicated to making software imaging solutions freely available. %
	% %
	% You may not use this file except in compliance with the License. You may %
	% obtain a copy of the License at %
	% %
	% http://www.imagemagick.org/script/license.php %
	% %
	% Unless required by applicable law or agreed to in writing, software %
	% distributed under the License is distributed on an "AS IS" BASIS, %
	% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
	% See the License for the specific language governing permissions and %
	% limitations under the License. %
	% %
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	%
	%
	*/

	/*
	Include declarations.
	*/
	#include "magick/studio.h"
	#include "magick/blob.h"
	#include "magick/blob-private.h"
	#include "magick/cache.h"
	#include "magick/color.h"
	#include "magick/color-private.h"
	#include "magick/colorspace.h"
	#include "magick/exception.h"
	#include "magick/exception-private.h"
	#include "magick/image-private.h"
	#include "magick/magick.h"
	#include "magick/memory_.h"
	#include "magick/monitor.h"
	#include "magick/monitor-private.h"
	#include "magick/pixel-private.h"
	#include "magick/quantum-private.h"
	#include "magick/static.h"
	#include "magick/string_.h"
	#include "magick/module.h"
	#include "magick/utility.h"

	/*
	Forward declarations.
	*/
	static MagickBooleanType
	WriteUILImage(const ImageInfo ,Image );

	/*
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	% %
	% %
	% %
	% R e g i s t e r U I L I m a g e %
	% %
	% %
	% %
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	%
	% RegisterUILImage() adds attributes for the UIL image format to
	% the list of supported formats. The attributes include the image format
	% tag, a method to read and/or write the format, whether the format
	% supports the saving of more than one frame to the same file or blob,
	% whether the format supports native in-memory I/O, and a brief
	% description of the format.
	%
	% The format of the RegisterUILImage method is:
	%
	% size_t RegisterUILImage(void)
	%
	*/
	ModuleExport size_t RegisterUILImage(void)
	{
	MagickInfo
	*entry;

	entry=SetMagickInfo("UIL");
	entry->encoder=(EncodeImageHandler *) WriteUILImage;
	entry->adjoin=MagickFalse;
	entry->description=ConstantString("X-Motif UIL table");
	entry->module=ConstantString("UIL");
	(void) RegisterMagickInfo(entry);
	return(MagickImageCoderSignature);
	}

	/*
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	% %
	% %
	% %
	% U n r e g i s t e r U I L I m a g e %
	% %
	% %
	% %
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	%
	% UnregisterUILImage() removes format registrations made by the
	% UIL module from the list of supported formats.
	%
	% The format of the UnregisterUILImage method is:
	%
	% UnregisterUILImage(void)
	%
	*/
	ModuleExport void UnregisterUILImage(void)
	{
	(void) UnregisterMagickInfo("UIL");
	}

	/*
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	% %
	% %
	% %
	% W r i t e U I L I m a g e %
	% %
	% %
	% %
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	%
	% Procedure WriteUILImage() writes an image to a file in the X-Motif UIL table
	% format.
	%
	% The format of the WriteUILImage method is:
	%
	% MagickBooleanType WriteUILImage(const ImageInfo image_info,Image image)
	%
	% A description of each parameter follows.
	%
	% o image_info: the image info.
	%
	% o image: The image.
	%
	*/
	static MagickBooleanType WriteUILImage(const ImageInfo image_info,Image image)
	{
	#define MaxCixels 92

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

	ExceptionInfo
	*exception;

	int
	j;

	MagickBooleanType
	status,
	transparent;

	MagickPixelPacket
	pixel;

	MagickSizeType
	number_pixels;

	register const IndexPacket
	*indexes;

	register const PixelPacket
	*p;

	register ssize_t
	i,
	x;

	size_t
	characters_per_pixel,
	colors;

	ssize_t
	k,
	y;

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

	/*
	Open output image file.
	*/
	assert(image_info != (const ImageInfo *) NULL);
	assert(image_info->signature == MagickSignature);
	assert(image != (Image *) NULL);
	assert(image->signature == MagickSignature);
	if (image->debug != MagickFalse)
	(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
	status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
	if (status == MagickFalse)
	return(status);
	if (image->colorspace != RGBColorspace)
	(void) TransformImageColorspace(image,RGBColorspace);
	exception=(&image->exception);
	transparent=MagickFalse;
	i=0;
	p=(const PixelPacket *) NULL;
	if (image->storage_class == PseudoClass)
	colors=image->colors;
	else
	{
	unsigned char
	*matte_image;

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

	register PixelPacket
	*q;

	colors++;
	for (y=0; y < (ssize_t) image->rows; y++)
	{
	q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
	if (q == (PixelPacket *) NULL)
	break;
	indexes=GetAuthenticIndexQueue(image);
	for (x=0; x < (ssize_t) image->columns; x++)
	{
	if (matte_image[i] != 0)
	SetIndexPixelComponent(indexes+x,image->colors);
	p++;
	}
	}
	}
	if (matte_image != (unsigned char *) NULL)
	matte_image=(unsigned char *) RelinquishMagickMemory(matte_image);
	}
	/*
	Compute the character per pixel.
	*/
	characters_per_pixel=1;
	for (k=MaxCixels; (ssize_t) colors > k; k*=MaxCixels)
	characters_per_pixel++;
	/*
	UIL header.
	*/
	symbol=AcquireString("");
	(void) WriteBlobString(image,"/* UIL */\n");
	GetPathComponent(image->filename,BasePath,basename);
	(void) FormatMagickString(buffer,MaxTextExtent,
	"value\n %s_ct : color_table(\n",basename);
	(void) WriteBlobString(image,buffer);
	GetMagickPixelPacket(image,&pixel);
	for (i=0; i < (ssize_t) colors; i++)
	{
	/*
	Define UIL color.
	*/
	SetMagickPixelPacket(image,image->colormap+i,(IndexPacket *) NULL,&pixel);
	pixel.colorspace=RGBColorspace;
	pixel.depth=8;
	pixel.opacity=(MagickRealType) OpaqueOpacity;
	GetColorTuple(&pixel,MagickTrue,name);
	if (transparent != MagickFalse)
	if (i == (ssize_t) (colors-1))
	(void) CopyMagickString(name,"None",MaxTextExtent);
	/*
	Write UIL color.
	*/
	k=i % MaxCixels;
	symbol[0]=Cixel[k];
	for (j=1; j < (int) characters_per_pixel; j++)
	{
	k=((i-k)/MaxCixels) % MaxCixels;
	symbol[j]=Cixel[k];
	}
	symbol[j]='\0';
	(void) SubstituteString(&symbol,"'","''");
	if (LocaleCompare(name,"None") == 0)
	(void) FormatMagickString(buffer,MaxTextExtent,
	" background color = '%s'",symbol);
	else
	(void) FormatMagickString(buffer,MaxTextExtent,
	" color('%s',%s) = '%s'",name,
	PixelIntensityToQuantum(image->colormap+i) <
	((Quantum) QuantumRange/2) ? "background" : "foreground",symbol);
	(void) WriteBlobString(image,buffer);
	(void) FormatMagickString(buffer,MaxTextExtent,"%s",
	(i == (ssize_t) (colors-1) ? ");\n" : ",\n"));
	(void) WriteBlobString(image,buffer);
	}
	/*
	Define UIL pixels.
	*/
	GetPathComponent(image->filename,BasePath,basename);
	(void) FormatMagickString(buffer,MaxTextExtent,
	" %s_icon : icon(color_table = %s_ct,\n",basename,basename);
	(void) WriteBlobString(image,buffer);
	for (y=0; y < (ssize_t) image->rows; y++)
	{
	p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
	if (p == (const PixelPacket *) NULL)
	break;
	indexes=GetVirtualIndexQueue(image);
	(void) WriteBlobString(image," \"");
	for (x=0; x < (ssize_t) image->columns; x++)
	{
	k=((ssize_t) GetIndexPixelComponent(indexes+x) % MaxCixels);
	symbol[0]=Cixel[k];
	for (j=1; j < (int) characters_per_pixel; j++)
	{
	k=(((int) GetIndexPixelComponent(indexes+x)-k)/MaxCixels) % MaxCixels;
	symbol[j]=Cixel[k];
	}
	symbol[j]='\0';
	(void) CopyMagickString(buffer,symbol,MaxTextExtent);
	(void) WriteBlobString(image,buffer);
	p++;
	}
	(void) FormatMagickString(buffer,MaxTextExtent,"\"%s\n",
	(y == (ssize_t) (image->rows-1) ? ");" : ","));
	(void) WriteBlobString(image,buffer);
	status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
	image->rows);
	if (status == MagickFalse)
	break;
	}
	symbol=DestroyString(symbol);
	(void) CloseBlob(image);
	return(MagickTrue);
	}