granicus.if.org Git - imagemagick/blob - coders/pango.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                     PPPP    AAA   N   N   GGGG   OOO                        %
   7 %                     P   P  A   A  NN  N  G      O   O                       %
   8 %                     PPPP   AAAAA  N N N  G GGG  O   O                       %
   9 %                     P   M  A   A  N  NN  G   G  O   O                       %
  10 %                     P      A   A  N   N   GGGG   OOO                        %
  11 %                                                                             %
  12 %                                                                             %
  13 %                     Read Pango Markup Language Format                       %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                John Cristy                                  %
  17 %                                 March 2012                                  %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization      %
  21 %  dedicated to making software imaging solutions freely available.           %
  22 %                                                                             %
  23 %  You may not use this file except in compliance with the License.  You may  %
  24 %  obtain a copy of the License at                                            %
  25 %                                                                             %
  26 %    http://www.imagemagick.org/script/license.php                            %
  27 %                                                                             %
  28 %  Unless required by applicable law or agreed to in writing, software        %
  29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  31 %  See the License for the specific language governing permissions and        %
  32 %  limitations under the License.                                             %
  33 %                                                                             %
  34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 %
  36 %
  37 */
  38 \f
  39 /*
  40   Include declarations.
  41 */
  42 #include "MagickCore/studio.h"
  43 #include "MagickCore/blob.h"
  44 #include "MagickCore/blob-private.h"
  45 #include "MagickCore/client.h"
  46 #include "MagickCore/display.h"
  47 #include "MagickCore/exception.h"
  48 #include "MagickCore/exception-private.h"
  49 #include "MagickCore/image.h"
  50 #include "MagickCore/image-private.h"
  51 #include "MagickCore/list.h"
  52 #include "MagickCore/magick.h"
  53 #include "MagickCore/monitor.h"
  54 #include "MagickCore/monitor-private.h"
  55 #include "MagickCore/memory_.h"
  56 #include "MagickCore/option.h"
  57 #include "MagickCore/pixel-accessor.h"
  58 #include "MagickCore/quantum-private.h"
  59 #include "MagickCore/static.h"
  60 #include "MagickCore/string_.h"
  61 #include "MagickCore/module.h"
  62 #include "MagickCore/utility.h"
  63 #include "MagickCore/xwindow.h"
  64 #include "MagickCore/xwindow-private.h"
  65 #if defined(MAGICKCORE_PANGO_DELEGATE)
  66 #include <pango/pango.h>
  67 #endif
  68 \f
  69 #if defined(MAGICKCORE_PANGO_DELEGATE)
  70 /*
  71 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  72 %                                                                             %
  73 %                                                                             %
  74 %                                                                             %
  75 %   R e a d P A N G O I m a g e                                               %
  76 %                                                                             %
  77 %                                                                             %
  78 %                                                                             %
  79 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  80 %
  81 %  ReadPANGOImage() reads an image in the Pango Markup Language Format.
  82 %
  83 %  The format of the ReadPANGOImage method is:
  84 %
  85 %      Image *ReadPANGOImage(const ImageInfo *image_info,
  86 %        ExceptionInfo *exception)
  87 %
  88 %  A description of each parameter follows:
  89 %
  90 %    o image_info: the image info.
  91 %
  92 %    o exception: return any errors or warnings in this structure.
  93 %
  94 */
  95 static Image *ReadPANGOImage(const ImageInfo *image_info,
  96   ExceptionInfo *exception)
  97 {
  98   return((Image *) NULL);
  99 }
 100 #endif
 101 \f
 102 /*
 103 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 104 %                                                                             %
 105 %                                                                             %
 106 %                                                                             %
 107 %   R e g i s t e r P A N G O I m a g e                                       %
 108 %                                                                             %
 109 %                                                                             %
 110 %                                                                             %
 111 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 112 %
 113 %  RegisterPANGOImage() adds attributes for the Pango Markup Language format to
 114 %  the list of supported formats.  The attributes include the image format
 115 %  tag, a method to read and/or write the format, whether the format
 116 %  supports the saving of more than one frame to the same file or blob,
 117 %  whether the format supports native in-memory I/O, and a brief
 118 %  description of the format.
 119 %
 120 %  The format of the RegisterPANGOImage method is:
 121 %
 122 %      size_t RegisterPANGOImage(void)
 123 %
 124 */
 125 ModuleExport size_t RegisterPANGOImage(void)
 126 {
 127   MagickInfo
 128     *entry;
 129
 130   entry=SetMagickInfo("PANGO");
 131 #if defined(MAGICKCORE_PANGO_DELEGATE)
 132   entry->decoder=(DecodeImageHandler *) ReadPANGOImage;
 133 #endif
 134   entry->description=ConstantString("Pango Markup Language");
 135   entry->adjoin=MagickFalse;
 136   entry->module=ConstantString("PANGO");
 137   (void) RegisterMagickInfo(entry);
 138   return(MagickImageCoderSignature);
 139 }
 140 \f
 141 /*
 142 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 143 %                                                                             %
 144 %                                                                             %
 145 %                                                                             %
 146 %   U n r e g i s t e r P A N G O I m a g e                                   %
 147 %                                                                             %
 148 %                                                                             %
 149 %                                                                             %
 150 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 151 %
 152 %  UnregisterPANGOImage() removes format registrations made by the Pango module
 153 %  from the list of supported formats.
 154 %
 155 %  The format of the UnregisterPANGOImage method is:
 156 %
 157 %      UnregisterPANGOImage(void)
 158 %
 159 */
 160 ModuleExport void UnregisterPANGOImage(void)
 161 {
 162   (void) UnregisterMagickInfo("PANGO");
 163 }