/src/imagemagick/coders/pwp.c

Source
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%                            PPPP   W   W  PPPP                               %
%                            P   P  W   W  P   P                              %
%                            PPPP   W   W  PPPP                               %
%                            P      W W W  P                                  %
%                            P       W W   P                                  %
%                                                                             %
%                                                                             %
%                    Read Seattle Film Works Image Format                     %
%                                                                             %
%                              Software Design                                %
%                                   Cristy                                    %
%                                 July 1992                                   %
%                                                                             %
%                                                                             %
%  Copyright @ 1999 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                                            %
%                                                                             %
%    https://imagemagick.org/license/                                         %
%                                                                             %
%  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 "MagickCore/studio.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/constitute.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/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/resource_.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/utility-private.h"
#include "MagickCore/module.h"

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   I s P W P                                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  IsPWP() returns MagickTrue if the image format type, identified by the
%  magick string, is PWP.
%
%  The format of the IsPWP method is:
%
%      MagickBooleanType IsPWP(const unsigned char *magick,const size_t length)
%
%  A description of each parameter follows:
%
%    o magick: compare image format pattern against these bytes.
%
%    o length: Specifies the length of the magick string.
%
%
*/
static MagickBooleanType IsPWP(const unsigned char *magick,const size_t length)
{
  if (length < 5)
    return(MagickFalse);
  if (LocaleNCompare((char *) magick,"SFW95",5) == 0)
    return(MagickTrue);
  return(MagickFalse);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d P W P I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadPWPImage() reads a Seattle Film Works multi-image file and returns
%  it.  It allocates the memory necessary for the new Image structure and
%  returns a pointer to the new image.
%
%  The format of the ReadPWPImage method is:
%
%      Image *ReadPWPImage(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 *ReadPWPImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  char
    filename[MagickPathExtent];

  FILE
    *file;

  Image
    *image,
    *next_image,
    *pwp_image;

  ImageInfo
    *read_info;

  int
    c,
    unique_file;

  MagickBooleanType
    status;

  Image
    *p;

  ssize_t
    i;

  size_t
    filesize,
    length;

  ssize_t
    count;

  unsigned char
    magick[MagickPathExtent];

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickCoreSignature);
  if (IsEventLogging() != 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=DestroyImage(image);
      return((Image *) NULL);
    }
  pwp_image=image;
  memset(magick,0,sizeof(magick));
  count=ReadBlob(pwp_image,5,magick);
  if ((count != 5) || (LocaleNCompare((char *) magick,"SFW95",5) != 0))
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  read_info=CloneImageInfo(image_info);
  (void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
    (void *) NULL);
  SetImageInfoBlob(read_info,(void *) NULL,0);
  unique_file=AcquireUniqueFileResource(filename);
  (void) FormatLocaleString(read_info->filename,MagickPathExtent,"sfw:%s",
    filename);
  for ( ; ; )
  {
    (void) memset(magick,0,sizeof(magick));
    for (c=ReadBlobByte(pwp_image); c != EOF; c=ReadBlobByte(pwp_image))
    {
      for (i=0; i < 17; i++)
        magick[i]=magick[i+1];
      magick[17]=(unsigned char) c;
      if (LocaleNCompare((char *) (magick+12),"SFW94A",6) == 0)
        break;
    }
    if (c == EOF)
      {
        (void) RelinquishUniqueFileResource(filename);
        read_info=DestroyImageInfo(read_info);
        ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
      }
    if (LocaleNCompare((char *) (magick+12),"SFW94A",6) != 0)
      {
        (void) RelinquishUniqueFileResource(filename);
        read_info=DestroyImageInfo(read_info);
        ThrowReaderException(CorruptImageError,"ImproperImageHeader");
      }
    /*
      Dump SFW image to a temporary file.
    */
    file=(FILE *) NULL;
    if (unique_file != -1)
      file=fdopen(unique_file,"wb");
    if ((unique_file == -1) || (file == (FILE *) NULL))
      {
        (void) RelinquishUniqueFileResource(filename);
        read_info=DestroyImageInfo(read_info);
        ThrowFileException(exception,FileOpenError,"UnableToWriteFile",
          image->filename);
        image=DestroyImageList(image);
        return((Image *) NULL);
      }
    length=fwrite("SFW94A",1,6,file);
    (void) length;
    filesize=65535*magick[2]+256L*magick[1]+magick[0];
    for (i=0; i < (ssize_t) filesize; i++)
    {
      c=ReadBlobByte(pwp_image);
      if (c == EOF)
        break;
      if (fputc(c,file) != c)
        break;
    }
    (void) fclose(file);
    if (c == EOF)
      {
        (void) RelinquishUniqueFileResource(filename);
        read_info=DestroyImageInfo(read_info);
        ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
      }
    next_image=ReadImage(read_info,exception);
    if (next_image == (Image *) NULL)
      break;
    (void) FormatLocaleString(next_image->filename,MagickPathExtent,
      "slide_%02ld.sfw",(long) next_image->scene);
    if (image == (Image *) NULL)
      image=next_image;
    else
      {
        /*
          Link image into image list.
        */
        for (p=image; p->next != (Image *) NULL; p=GetNextImageInList(p)) ;
        next_image->previous=p;
        next_image->scene=p->scene+1;
        p->next=next_image;
      }
    if (image_info->number_scenes != 0)
      if (next_image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    status=SetImageProgress(image,LoadImagesTag,TellBlob(pwp_image),
      GetBlobSize(pwp_image));
    if (status == MagickFalse)
      break;
  }
  if (unique_file != -1)
    (void) close_utf8(unique_file);
  (void) RelinquishUniqueFileResource(filename);
  read_info=DestroyImageInfo(read_info);
  if (image != (Image *) NULL)
    {
      if (EOFBlob(image) != MagickFalse)
        {
          char
            *message;

          message=GetExceptionMessage(errno);
          (void) ThrowMagickException(exception,GetMagickModule(),
            CorruptImageError,"UnexpectedEndOfFile","`%s': %s",image->filename,
            message);
          message=DestroyString(message);
        }
      (void) CloseBlob(image);
    }
  return(GetFirstImageInList(image));
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e g i s t e r P W P I m a g e                                           %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  RegisterPWPImage() adds attributes for the PWP 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 RegisterPWPImage method is:
%
%      size_t RegisterPWPImage(void)
%
*/
ModuleExport size_t RegisterPWPImage(void)
{
  MagickInfo
    *entry;

  entry=AcquireMagickInfo("PWP","PWP","Seattle Film Works");
  entry->decoder=(DecodeImageHandler *) ReadPWPImage;
  entry->magick=(IsImageFormatHandler *) IsPWP;
  (void) RegisterMagickInfo(entry);
  return(MagickImageCoderSignature);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   U n r e g i s t e r P W P I m a g e                                       %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  UnregisterPWPImage() removes format registrations made by the
%  PWP module from the list of supported formats.
%
%  The format of the UnregisterPWPImage method is:
%
%      UnregisterPWPImage(void)
%
*/
ModuleExport void UnregisterPWPImage(void)
{
  (void) UnregisterMagickInfo("PWP");
}

Coverage Report

Created: 2026-06-30 07:12

Line	Count	Source
1		/*
2		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3		% %
4		% %
5		% %
6		% PPPP W W PPPP %
7		% P P W W P P %
8		% PPPP W W PPPP %
9		% P W W W P %
10		% P W W P %
11		% %
12		% %
13		% Read Seattle Film Works Image Format %
14		% %
15		% Software Design %
16		% Cristy %
17		% July 1992 %
18		% %
19		% %
20		% Copyright @ 1999 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		% https://imagemagick.org/license/ %
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
39		/*
40		Include declarations.
41		*/
42		#include "MagickCore/studio.h"
43		#include "MagickCore/blob.h"
44		#include "MagickCore/blob-private.h"
45		#include "MagickCore/constitute.h"
46		#include "MagickCore/exception.h"
47		#include "MagickCore/exception-private.h"
48		#include "MagickCore/image.h"
49		#include "MagickCore/image-private.h"
50		#include "MagickCore/list.h"
51		#include "MagickCore/magick.h"
52		#include "MagickCore/memory_.h"
53		#include "MagickCore/monitor.h"
54		#include "MagickCore/monitor-private.h"
55		#include "MagickCore/resource_.h"
56		#include "MagickCore/quantum-private.h"
57		#include "MagickCore/static.h"
58		#include "MagickCore/string_.h"
59		#include "MagickCore/utility-private.h"
60		#include "MagickCore/module.h"
61
62		/*
63		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
64		% %
65		% %
66		% %
67		% I s P W P %
68		% %
69		% %
70		% %
71		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
72		%
73		% IsPWP() returns MagickTrue if the image format type, identified by the
74		% magick string, is PWP.
75		%
76		% The format of the IsPWP method is:
77		%
78		% MagickBooleanType IsPWP(const unsigned char *magick,const size_t length)
79		%
80		% A description of each parameter follows:
81		%
82		% o magick: compare image format pattern against these bytes.
83		%
84		% o length: Specifies the length of the magick string.
85		%
86		%
87		*/
88		static MagickBooleanType IsPWP(const unsigned char *magick,const size_t length)
89	0	{
90	0	if (length < 5)
91	0	return(MagickFalse);
92	0	if (LocaleNCompare((char *) magick,"SFW95",5) == 0)
93	0	return(MagickTrue);
94	0	return(MagickFalse);
95	0	}
96
97		/*
98		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
99		% %
100		% %
101		% %
102		% R e a d P W P I m a g e %
103		% %
104		% %
105		% %
106		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
107		%
108		% ReadPWPImage() reads a Seattle Film Works multi-image file and returns
109		% it. It allocates the memory necessary for the new Image structure and
110		% returns a pointer to the new image.
111		%
112		% The format of the ReadPWPImage method is:
113		%
114		% Image ReadPWPImage(const ImageInfo image_info,ExceptionInfo *exception)
115		%
116		% A description of each parameter follows:
117		%
118		% o image_info: the image info.
119		%
120		% o exception: return any errors or warnings in this structure.
121		%
122		*/
123		static Image ReadPWPImage(const ImageInfo image_info,ExceptionInfo *exception)
124	7.05k	{
125	7.05k	char
126	7.05k	filename[MagickPathExtent];
127
128	7.05k	FILE
129	7.05k	*file;
130
131	7.05k	Image
132	7.05k	*image,
133	7.05k	*next_image,
134	7.05k	*pwp_image;
135
136	7.05k	ImageInfo
137	7.05k	*read_info;
138
139	7.05k	int
140	7.05k	c,
141	7.05k	unique_file;
142
143	7.05k	MagickBooleanType
144	7.05k	status;
145
146	7.05k	Image
147	7.05k	*p;
148
149	7.05k	ssize_t
150	7.05k	i;
151
152	7.05k	size_t
153	7.05k	filesize,
154	7.05k	length;
155
156	7.05k	ssize_t
157	7.05k	count;
158
159	7.05k	unsigned char
160	7.05k	magick[MagickPathExtent];
161
162		/*
163		Open image file.
164		*/
165	7.05k	assert(image_info != (const ImageInfo *) NULL);
166	7.05k	assert(image_info->signature == MagickCoreSignature);
167	7.05k	if (IsEventLogging() != MagickFalse)
168	0	(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
169	0	image_info->filename);
170	7.05k	assert(exception != (ExceptionInfo *) NULL);
171	7.05k	assert(exception->signature == MagickCoreSignature);
172	7.05k	image=AcquireImage(image_info,exception);
173	7.05k	status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
174	7.05k	if (status == MagickFalse)
175	0	{
176	0	image=DestroyImage(image);
177	0	return((Image *) NULL);
178	0	}
179	7.05k	pwp_image=image;
180	7.05k	memset(magick,0,sizeof(magick));
181	7.05k	count=ReadBlob(pwp_image,5,magick);
182	7.05k	if ((count != 5) \|\| (LocaleNCompare((char *) magick,"SFW95",5) != 0))
183	7.01k	ThrowReaderException(CorruptImageError,"ImproperImageHeader");
184	7.01k	read_info=CloneImageInfo(image_info);
185	7.01k	(void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
186	7.01k	(void *) NULL);
187	7.01k	SetImageInfoBlob(read_info,(void *) NULL,0);
188	7.01k	unique_file=AcquireUniqueFileResource(filename);
189	7.01k	(void) FormatLocaleString(read_info->filename,MagickPathExtent,"sfw:%s",
190	7.01k	filename);
191	7.01k	for ( ; ; )
192	11.4k	{
193	11.4k	(void) memset(magick,0,sizeof(magick));
194	175k	for (c=ReadBlobByte(pwp_image); c != EOF; c=ReadBlobByte(pwp_image))
195	170k	{
196	3.07M	for (i=0; i < 17; i++)
197	2.90M	magick[i]=magick[i+1];
198	170k	magick[17]=(unsigned char) c;
199	170k	if (LocaleNCompare((char *) (magick+12),"SFW94A",6) == 0)
200	6.95k	break;
201	170k	}
202	11.4k	if (c == EOF)
203	4.52k	{
204	4.52k	(void) RelinquishUniqueFileResource(filename);
205	4.52k	read_info=DestroyImageInfo(read_info);
206	4.52k	ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
207	0	}
208	6.95k	if (LocaleNCompare((char *) (magick+12),"SFW94A",6) != 0)
209	0	{
210	0	(void) RelinquishUniqueFileResource(filename);
211	0	read_info=DestroyImageInfo(read_info);
212	0	ThrowReaderException(CorruptImageError,"ImproperImageHeader");
213	0	}
214		/*
215		Dump SFW image to a temporary file.
216		*/
217	6.95k	file=(FILE *) NULL;
218	6.95k	if (unique_file != -1)
219	6.95k	file=fdopen(unique_file,"wb");
220	6.95k	if ((unique_file == -1) \|\| (file == (FILE *) NULL))
221	11	{
222	11	(void) RelinquishUniqueFileResource(filename);
223	11	read_info=DestroyImageInfo(read_info);
224	11	ThrowFileException(exception,FileOpenError,"UnableToWriteFile",
225	11	image->filename);
226	11	image=DestroyImageList(image);
227	11	return((Image *) NULL);
228	11	}
229	6.94k	length=fwrite("SFW94A",1,6,file);
230	6.94k	(void) length;
231	6.94k	filesize=65535magick[2]+256Lmagick[1]+magick[0];
232	4.31M	for (i=0; i < (ssize_t) filesize; i++)
233	4.30M	{
234	4.30M	c=ReadBlobByte(pwp_image);
235	4.30M	if (c == EOF)
236	53	break;
237	4.30M	if (fputc(c,file) != c)
238	0	break;
239	4.30M	}
240	6.94k	(void) fclose(file);
241	6.94k	if (c == EOF)
242	53	{
243	53	(void) RelinquishUniqueFileResource(filename);
244	53	read_info=DestroyImageInfo(read_info);
245	53	ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
246	0	}
247	6.89k	next_image=ReadImage(read_info,exception);
248	6.89k	if (next_image == (Image *) NULL)
249	2.42k	break;
250	4.46k	(void) FormatLocaleString(next_image->filename,MagickPathExtent,
251	4.46k	"slide_%02ld.sfw",(long) next_image->scene);
252	4.46k	if (image == (Image *) NULL)
253	0	image=next_image;
254	4.46k	else
255	4.46k	{
256		/*
257		Link image into image list.
258		*/
259	4.46k	for (p=image; p->next != (Image *) NULL; p=GetNextImageInList(p)) ;
260	4.46k	next_image->previous=p;
261	4.46k	next_image->scene=p->scene+1;
262	4.46k	p->next=next_image;
263	4.46k	}
264	4.46k	if (image_info->number_scenes != 0)
265	0	if (next_image->scene >= (image_info->scene+image_info->number_scenes-1))
266	0	break;
267	4.46k	status=SetImageProgress(image,LoadImagesTag,TellBlob(pwp_image),
268	4.46k	GetBlobSize(pwp_image));
269	4.46k	if (status == MagickFalse)
270	0	break;
271	4.46k	}
272	2.42k	if (unique_file != -1)
273	2.42k	(void) close_utf8(unique_file);
274	2.42k	(void) RelinquishUniqueFileResource(filename);
275	2.42k	read_info=DestroyImageInfo(read_info);
276	2.42k	if (image != (Image *) NULL)
277	2.42k	{
278	2.42k	if (EOFBlob(image) != MagickFalse)
279	0	{
280	0	char
281	0	*message;
282
283	0	message=GetExceptionMessage(errno);
284	0	(void) ThrowMagickException(exception,GetMagickModule(),
285	0	CorruptImageError,"UnexpectedEndOfFile","`%s': %s",image->filename,
286	0	message);
287	0	message=DestroyString(message);
288	0	}
289	2.42k	(void) CloseBlob(image);
290	2.42k	}
291	2.42k	return(GetFirstImageInList(image));
292	7.01k	}
293
294		/*
295		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
296		% %
297		% %
298		% %
299		% R e g i s t e r P W P I m a g e %
300		% %
301		% %
302		% %
303		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
304		%
305		% RegisterPWPImage() adds attributes for the PWP image format to
306		% the list of supported formats. The attributes include the image format
307		% tag, a method to read and/or write the format, whether the format
308		% supports the saving of more than one frame to the same file or blob,
309		% whether the format supports native in-memory I/O, and a brief
310		% description of the format.
311		%
312		% The format of the RegisterPWPImage method is:
313		%
314		% size_t RegisterPWPImage(void)
315		%
316		*/
317		ModuleExport size_t RegisterPWPImage(void)
318	10	{
319	10	MagickInfo
320	10	*entry;
321
322	10	entry=AcquireMagickInfo("PWP","PWP","Seattle Film Works");
323	10	entry->decoder=(DecodeImageHandler *) ReadPWPImage;
324	10	entry->magick=(IsImageFormatHandler *) IsPWP;
325	10	(void) RegisterMagickInfo(entry);
326	10	return(MagickImageCoderSignature);
327	10	}
328
329		/*
330		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
331		% %
332		% %
333		% %
334		% U n r e g i s t e r P W P I m a g e %
335		% %
336		% %
337		% %
338		%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
339		%
340		% UnregisterPWPImage() removes format registrations made by the
341		% PWP module from the list of supported formats.
342		%
343		% The format of the UnregisterPWPImage method is:
344		%
345		% UnregisterPWPImage(void)
346		%
347		*/
348		ModuleExport void UnregisterPWPImage(void)
349	0	{
350	0	(void) UnregisterMagickInfo("PWP");
351	0	}