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gerrit-public.fairphone.software / platform / external / ImageMagick / bac7a16ab4b791473b44473e62fd89df8424500b / . / coders / vid.c
blob: 6d59413349ccbaabefd5516d60aa00c56f4f895a [file] [log] [blame]
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1/*
2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3% %
4% %
5% %
6% V V IIIII DDDD %
7% V V I D D %
8% V V I D D %
9% V V I D D %
10% V IIIII DDDD %
11% %
12% %
13% Return a Visual Image Directory for matching images. %
14% %
15% Software Design %
16% John Cristy %
17% July 1992 %
18% %
19% %
cristy16af1cb2009-12-11 21:38:29 +0000[diff] [blame]20% Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization %
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]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
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/constitute.h"
47#include "magick/exception.h"
48#include "magick/exception-private.h"
49#include "magick/geometry.h"
50#include "magick/image.h"
51#include "magick/image-private.h"
52#include "magick/list.h"
53#include "magick/log.h"
54#include "magick/magick.h"
55#include "magick/memory_.h"
56#include "magick/monitor.h"
57#include "magick/monitor-private.h"
58#include "magick/montage.h"
59#include "magick/quantum-private.h"
60#include "magick/resize.h"
61#include "magick/static.h"
62#include "magick/string_.h"
63#include "magick/module.h"
64#include "magick/utility.h"
65
66/*
67 Forward declarations.
68*/
69static MagickBooleanType
70 WriteVIDImage(const ImageInfo *,Image *);
71
72/*
73%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
74% %
75% %
76% %
77% R e a d V I D I m a g e %
78% %
79% %
80% %
81%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
82%
83% ReadVIDImage reads one of more images and creates a Visual Image
84% Directory file. It allocates the memory necessary for the new Image
85% structure and returns a pointer to the new image.
86%
87% The format of the ReadVIDImage method is:
88%
89% Image *ReadVIDImage(const ImageInfo *image_info,ExceptionInfo *exception)
90%
91% A description of each parameter follows:
92%
93% o image_info: the image info.
94%
95% o exception: return any errors or warnings in this structure.
96%
97*/
98static Image *ReadVIDImage(const ImageInfo *image_info,ExceptionInfo *exception)
99{
100#define ClientName "montage"
101
102 char
103 **filelist,
104 *label;
105
106 Image
107 *image,
108 *images,
109 *montage_image,
110 *next_image,
111 *thumbnail_image;
112
113 ImageInfo
114 *read_info;
115
116 int
117 number_files;
118
119 MagickBooleanType
120 status;
121
122 MontageInfo
123 *montage_info;
124
125 RectangleInfo
126 geometry;
127
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]128 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]129 i;
130
131 /*
132 Expand the filename.
133 */
134 assert(image_info != (const ImageInfo *) NULL);
135 assert(image_info->signature == MagickSignature);
136 if (image_info->debug != MagickFalse)
137 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
138 image_info->filename);
139 assert(exception != (ExceptionInfo *) NULL);
140 assert(exception->signature == MagickSignature);
141 image=AcquireImage(image_info);
cristy90823212009-12-12 20:48:33 +0000[diff] [blame]142 filelist=(char **) AcquireAlignedMemory(1,sizeof(*filelist));
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]143 if (filelist == (char **) NULL)
144 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
145 filelist[0]=ConstantString(image_info->filename);
146 number_files=1;
147 status=ExpandFilenames(&number_files,&filelist);
148 if ((status == MagickFalse) || (number_files == 0))
149 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
150 image=DestroyImage(image);
151 /*
152 Read each image and convert them to a tile.
153 */
154 images=NewImageList();
155 read_info=CloneImageInfo(image_info);
156 SetImageInfoBlob(read_info,(void *) NULL,0);
157 (void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
158 (void *) NULL);
159 if (read_info->size == (char *) NULL)
160 (void) CloneString(&read_info->size,DefaultTileGeometry);
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]161 for (i=0; i < (ssize_t) number_files; i++)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]162 {
163 if (image_info->debug != MagickFalse)
164 (void) LogMagickEvent(CoderEvent,GetMagickModule(),"name: %s",
165 filelist[i]);
166 (void) CopyMagickString(read_info->filename,filelist[i],MaxTextExtent);
167 filelist[i]=DestroyString(filelist[i]);
168 *read_info->magick='\0';
169 next_image=ReadImage(read_info,exception);
170 CatchException(exception);
171 if (next_image == (Image *) NULL)
172 break;
173 label=InterpretImageProperties(image_info,next_image,DefaultTileLabel);
174 (void) SetImageProperty(next_image,"label",label);
175 label=DestroyString(label);
176 if (image_info->debug != MagickFalse)
cristye8c25f92010-06-03 00:53:06 +0000[diff] [blame]177 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
178 "geometry: %.20gx%.20g",(double) next_image->columns,(double)
179 next_image->rows);
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]180 SetGeometry(next_image,&geometry);
181 (void) ParseMetaGeometry(read_info->size,&geometry.x,&geometry.y,
182 &geometry.width,&geometry.height);
183 thumbnail_image=ThumbnailImage(next_image,geometry.width,geometry.height,
184 exception);
185 if (thumbnail_image != (Image *) NULL)
186 {
187 next_image=DestroyImage(next_image);
188 next_image=thumbnail_image;
189 }
190 if (image_info->debug != MagickFalse)
191 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
cristye8c25f92010-06-03 00:53:06 +0000[diff] [blame]192 "thumbnail geometry: %.20gx%.20g",(double) next_image->columns,(double)
193 next_image->rows);
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]194 AppendImageToList(&images,next_image);
195 status=SetImageProgress(images,LoadImagesTag,i,number_files);
196 if (status == MagickFalse)
197 break;
198 }
199 read_info=DestroyImageInfo(read_info);
200 filelist=(char **) RelinquishMagickMemory(filelist);
201 if (images == (Image *) NULL)
202 ThrowReaderException(CorruptImageError,
203 "ImageFileDoesNotContainAnyImageData");
204 /*
205 Create the visual image directory.
206 */
207 montage_info=CloneMontageInfo(image_info,(MontageInfo *) NULL);
208 if (image_info->debug != MagickFalse)
209 (void) LogMagickEvent(CoderEvent,GetMagickModule(),"creating montage");
210 montage_image=MontageImageList(image_info,montage_info,
211 GetFirstImageInList(images),exception);
212 montage_info=DestroyMontageInfo(montage_info);
213 images=DestroyImageList(images);
214 return(montage_image);
215}
216
217/*
218%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
219% %
220% %
221% %
222% R e g i s t e r V I D I m a g e %
223% %
224% %
225% %
226%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
227%
228% RegisterVIDImage() adds attributes for the VID image format to
229% the list of supported formats. The attributes include the image format
230% tag, a method to read and/or write the format, whether the format
231% supports the saving of more than one frame to the same file or blob,
232% whether the format supports native in-memory I/O, and a brief
233% description of the format.
234%
235% The format of the RegisterVIDImage method is:
236%
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]237% size_t RegisterVIDImage(void)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]238%
239*/
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]240ModuleExport size_t RegisterVIDImage(void)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]241{
242 MagickInfo
243 *entry;
244
245 entry=SetMagickInfo("VID");
246 entry->decoder=(DecodeImageHandler *) ReadVIDImage;
247 entry->encoder=(EncodeImageHandler *) WriteVIDImage;
248 entry->format_type=ExplicitFormatType;
249 entry->description=ConstantString("Visual Image Directory");
250 entry->module=ConstantString("VID");
251 (void) RegisterMagickInfo(entry);
252 return(MagickImageCoderSignature);
253}
254
255/*
256%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
257% %
258% %
259% %
260% U n r e g i s t e r V I D I m a g e %
261% %
262% %
263% %
264%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
265%
266% UnregisterVIDImage() removes format registrations made by the
267% VID module from the list of supported formats.
268%
269% The format of the UnregisterVIDImage method is:
270%
271% UnregisterVIDImage(void)
272%
273*/
274ModuleExport void UnregisterVIDImage(void)
275{
276 (void) UnregisterMagickInfo("VID");
277}
278
279/*
280%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
281% %
282% %
283% %
284% W r i t e V I D I m a g e %
285% %
286% %
287% %
288%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
289%
290% WriteVIDImage() writes an image to a file in VID X image format.
291%
292% The format of the WriteVIDImage method is:
293%
294% MagickBooleanType WriteVIDImage(const ImageInfo *image_info,Image *image)
295%
296% A description of each parameter follows.
297%
298% o image_info: the image info.
299%
300% o image: The image.
301%
302*/
303static MagickBooleanType WriteVIDImage(const ImageInfo *image_info,Image *image)
304{
305 Image
306 *montage_image;
307
308 ImageInfo
309 *write_info;
310
311 MagickBooleanType
312 status;
313
314 MontageInfo
315 *montage_info;
316
317 register Image
318 *p;
319
320 /*
321 Create the visual image directory.
322 */
323 for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
324 (void) SetImageProperty(p,"label",DefaultTileLabel);
325 montage_info=CloneMontageInfo(image_info,(MontageInfo *) NULL);
326 montage_image=MontageImageList(image_info,montage_info,image,
327 &image->exception);
328 montage_info=DestroyMontageInfo(montage_info);
329 if (montage_image == (Image *) NULL)
330 ThrowWriterException(CorruptImageError,image->exception.reason);
331 (void) CopyMagickString(montage_image->filename,image_info->filename,
332 MaxTextExtent);
333 write_info=CloneImageInfo(image_info);
cristyd965a422010-03-03 17:47:35 +0000[diff] [blame]334 (void) SetImageInfo(write_info,1,&image->exception);
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]335 if (LocaleCompare(write_info->magick,"VID") == 0)
336 (void) FormatMagickString(montage_image->filename,MaxTextExtent,
337 "miff:%s",write_info->filename);
338 status=WriteImage(write_info,montage_image);
339 montage_image=DestroyImage(montage_image);
340 write_info=DestroyImageInfo(write_info);
341 return(status);
342}