coders/pango.c

/*
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%                     PPPP    AAA   N   N   GGGG   OOO                        %
%                     P   P  A   A  NN  N  G      O   O                       %
%                     PPPP   AAAAA  N N N  G GGG  O   O                       %
%                     P   M  A   A  N  NN  G   G  O   O                       %
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%                     Read Pango Markup Language Format                       %
%                                                                             %
%                              Software Design                                %
%                                John Cristy                                  %
%                                 March 2012                                  %
%                                                                             %
%                                                                             %
%  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.                                             %
%                                                                             %
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%
%
*/

/*
  Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/client.h"
#include "MagickCore/display.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/magick.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/memory_.h"
#include "MagickCore/option.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/module.h"
#include "MagickCore/utility.h"
#include "MagickCore/xwindow.h"
#include "MagickCore/xwindow-private.h"
#if defined(MAGICKCORE_PANGO_DELEGATE)
#include <pango/pango.h>
#endif

/*
  Forward declarations.
*/
#if defined(MAGICKCORE_PANGO_DELEGATE)
static MagickBooleanType
  WritePANGOImage(const ImageInfo *,Image *);
#endif

#if defined(MAGICKCORE_PANGO_DELEGATE)
/*
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%  ReadPANGOImage() reads an image in the Pango Markup Language Format.
%
%  The format of the ReadPANGOImage method is:
%
%      Image *ReadPANGOImage(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 *ReadPANGOImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  return((Image *) NULL);
}
#endif

/*
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%   R e g i s t e r P A N G O I m a g e                                       %
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%
%  RegisterPANGOImage() adds attributes for the Pango Markup Language 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 RegisterPANGOImage method is:
%
%      size_t RegisterPANGOImage(void)
%
*/
ModuleExport size_t RegisterPANGOImage(void)
{
  MagickInfo
    *entry;

  entry=SetMagickInfo("PANGO");
#if defined(MAGICKCORE_PANGO_DELEGATE)
  entry->decoder=(DecodeImageHandler *) ReadPANGOImage;
#endif
  entry->description=ConstantString("Pango Markup Language");
  entry->adjoin=MagickFalse;
  entry->module=ConstantString("PANGO");
  (void) RegisterMagickInfo(entry);
  return(MagickImageCoderSignature);
}

/*
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%   U n r e g i s t e r P A N G O I m a g e                                   %
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%
%  UnregisterPANGOImage() removes format registrations made by the Pango module
%  from the list of supported formats.
%
%  The format of the UnregisterPANGOImage method is:
%
%      UnregisterPANGOImage(void)
%
*/
ModuleExport void UnregisterPANGOImage(void)
{
  (void) UnregisterMagickInfo("PANGO");
}