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

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                            PPPP   EEEEE  SSSSS                              %
   7 %                            P   P  E      SS                                 %
   8 %                            PPPP   EEE     SSS                               %
   9 %                            P      E         SS                              %
  10 %                            P      EEEEE  SSSSS                              %
  11 %                                                                             %
  12 %                                                                             %
  13 %                     Read/Write Brother PES Image Format                     %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                John Cristy                                  %
  17 %                                 July 2009                                   %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2010 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 "magick/studio.h"
  43 #include "magick/property.h"
  44 #include "magick/blob.h"
  45 #include "magick/blob-private.h"
  46 #include "magick/cache.h"
  47 #include "magick/client.h"
  48 #include "magick/colorspace.h"
  49 #include "magick/constitute.h"
  50 #include "magick/decorate.h"
  51 #include "magick/exception.h"
  52 #include "magick/exception-private.h"
  53 #include "magick/gem.h"
  54 #include "magick/geometry.h"
  55 #include "magick/image.h"
  56 #include "magick/image-private.h"
  57 #include "magick/list.h"
  58 #include "magick/magick.h"
  59 #include "magick/memory_.h"
  60 #include "magick/monitor.h"
  61 #include "magick/monitor-private.h"
  62 #include "magick/montage.h"
  63 #include "magick/resize.h"
  64 #include "magick/shear.h"
  65 #include "magick/quantum-private.h"
  66 #include "magick/static.h"
  67 #include "magick/string_.h"
  68 #include "magick/module.h"
  69 #include "magick/transform.h"
  70 #include "magick/utility.h"
  71 \f
  72 /*
  73 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  74 %                                                                             %
  75 %                                                                             %
  76 %                                                                             %
  77 %   I s P E S                                                                 %
  78 %                                                                             %
  79 %                                                                             %
  80 %                                                                             %
  81 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  82 %
  83 %  IsPES() returns MagickTrue if the image format type, identified by the
  84 %  magick string, is PES.
  85 %
  86 %  The format of the IsPES method is:
  87 %
  88 %      MagickBooleanType IsPES(const unsigned char *magick,const size_t length)
  89 %
  90 %  A description of each parameter follows:
  91 %
  92 %    o magick: compare image format pattern against these bytes.
  93 %
  94 %    o length: Specifies the length of the magick string.
  95 %
  96 */
  97 static MagickBooleanType IsPES(const unsigned char *magick,const size_t length)
  98 {
  99   if (length < 4)
 100     return(MagickFalse);
 101   if (LocaleNCompare((const char *) magick,"#PES",4) == 0)
 102     return(MagickTrue);
 103   return(MagickFalse);
 104 }
 105 \f
 106 /*
 107 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 108 %                                                                             %
 109 %                                                                             %
 110 %                                                                             %
 111 %   R e a d P E S I m a g e                                                   %
 112 %                                                                             %
 113 %                                                                             %
 114 %                                                                             %
 115 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 116 %
 117 %  ReadPESImage() reads a Brother PES image file and returns it.  It allocates
 118 %  the memory necessary for the new Image structure and returns a pointer to
 119 %  the new image.
 120 %
 121 %  The format of the ReadPESImage method is:
 122 %
 123 %      image=ReadPESImage(image_info)
 124 %
 125 %  A description of each parameter follows:
 126 %
 127 %    o image_info: the image info.
 128 %
 129 %    o exception: return any errors or warnings in this structure.
 130 %
 131 */
 132 static Image *ReadPESImage(const ImageInfo *image_info,ExceptionInfo *exception)
 133 {
 134   Image
 135     *image;
 136
 137   MagickBooleanType
 138     status;
 139
 140   /*
 141     Open image file.
 142   */
 143   assert(image_info != (const ImageInfo *) NULL);
 144   assert(image_info->signature == MagickSignature);
 145   if (image_info->debug != MagickFalse)
 146     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 147       image_info->filename);
 148   assert(exception != (ExceptionInfo *) NULL);
 149   assert(exception->signature == MagickSignature);
 150   image=AcquireImage(image_info);
 151   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 152   if (status == MagickFalse)
 153     {
 154       image=DestroyImageList(image);
 155       return((Image *) NULL);
 156     }
 157   return(GetFirstImageInList(image));
 158 }
 159 \f
 160 /*
 161 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 162 %                                                                             %
 163 %                                                                             %
 164 %                                                                             %
 165 %   R e g i s t e r P E S I m a g e                                           %
 166 %                                                                             %
 167 %                                                                             %
 168 %                                                                             %
 169 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 170 %
 171 %  RegisterPESImage() adds attributes for the PES image format to
 172 %  the list of supported formats.  The attributes include the image format
 173 %  tag, a method to read and/or write the format, whether the format
 174 %  supports the saving of more than one frame to the same file or blob,
 175 %  whether the format supports native in-memory I/O, and a brief
 176 %  description of the format.
 177 %
 178 %  The format of the RegisterPESImage method is:
 179 %
 180 %      unsigned long RegisterPESImage(void)
 181 %
 182 */
 183 ModuleExport unsigned long RegisterPESImage(void)
 184 {
 185   MagickInfo
 186     *entry;
 187
 188   entry=SetMagickInfo("PES");
 189   entry->decoder=(DecodeImageHandler *) ReadPESImage;
 190   entry->magick=(IsImageFormatHandler *) IsPES;
 191   entry->adjoin=MagickFalse;
 192   entry->description=ConstantString("Brother PES");
 193   entry->module=ConstantString("PES");
 194   return(MagickImageCoderSignature);
 195 }
 196 \f
 197 /*
 198 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 199 %                                                                             %
 200 %                                                                             %
 201 %                                                                             %
 202 %   U n r e g i s t e r P E S I m a g e                                       %
 203 %                                                                             %
 204 %                                                                             %
 205 %                                                                             %
 206 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 207 %
 208 %  UnregisterPESImage() removes format registrations made by the
 209 %  PES module from the list of supported formats.
 210 %
 211 %  The format of the UnregisterPESImage method is:
 212 %
 213 %      UnregisterPESImage(void)
 214 %
 215 */
 216 ModuleExport void UnregisterPESImage(void)
 217 {
 218   (void) UnregisterMagickInfo("PES");
 219 }