/src/imagemagick/coders/ycbcr.c
Line | Count | Source |
1 | | /* |
2 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
3 | | % % |
4 | | % % |
5 | | % % |
6 | | % Y Y YYYC BBBB YYYC RRRR % |
7 | | % Y Y C B B C R R % |
8 | | % Y C BBBB C RRRR % |
9 | | % Y C B B C R R % |
10 | | % Y YYYC BBBB YYYC R R % |
11 | | % % |
12 | | % % |
13 | | % Read/Write Raw YCbCr 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/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 "MagickCore/studio.h" |
43 | | #include "MagickCore/blob.h" |
44 | | #include "MagickCore/blob-private.h" |
45 | | #include "MagickCore/cache.h" |
46 | | #include "MagickCore/channel.h" |
47 | | #include "MagickCore/colorspace.h" |
48 | | #include "MagickCore/constitute.h" |
49 | | #include "MagickCore/exception.h" |
50 | | #include "MagickCore/exception-private.h" |
51 | | #include "MagickCore/image.h" |
52 | | #include "MagickCore/image-private.h" |
53 | | #include "MagickCore/list.h" |
54 | | #include "MagickCore/magick.h" |
55 | | #include "MagickCore/memory_.h" |
56 | | #include "MagickCore/monitor.h" |
57 | | #include "MagickCore/monitor-private.h" |
58 | | #include "MagickCore/pixel-accessor.h" |
59 | | #include "MagickCore/quantum-private.h" |
60 | | #include "MagickCore/static.h" |
61 | | #include "MagickCore/statistic.h" |
62 | | #include "MagickCore/string_.h" |
63 | | #include "MagickCore/module.h" |
64 | | #include "MagickCore/utility.h" |
65 | | |
66 | | /* |
67 | | Forward declarations. |
68 | | */ |
69 | | static MagickBooleanType |
70 | | WriteYCBCRImage(const ImageInfo *,Image *,ExceptionInfo *); |
71 | | |
72 | | /* |
73 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
74 | | % % |
75 | | % % |
76 | | % % |
77 | | % R e a d Y C b C r I m a g e % |
78 | | % % |
79 | | % % |
80 | | % % |
81 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
82 | | % |
83 | | % ReadYCBCRImage() reads an image of raw YCbCr or YCbCrA samples and returns |
84 | | % it. It allocates the memory necessary for the new Image structure and |
85 | | % returns a pointer to the new image. |
86 | | % |
87 | | % The format of the ReadYCBCRImage method is: |
88 | | % |
89 | | % Image *ReadYCBCRImage(const ImageInfo *image_info, |
90 | | % ExceptionInfo *exception) |
91 | | % |
92 | | % A description of each parameter follows: |
93 | | % |
94 | | % o image_info: the image info. |
95 | | % |
96 | | % o exception: return any errors or warnings in this structure. |
97 | | % |
98 | | */ |
99 | | static Image *ReadYCBCRImage(const ImageInfo *image_info, |
100 | | ExceptionInfo *exception) |
101 | 307 | { |
102 | 307 | const void |
103 | 307 | *stream; |
104 | | |
105 | 307 | Image |
106 | 307 | *canvas_image, |
107 | 307 | *image; |
108 | | |
109 | 307 | MagickBooleanType |
110 | 307 | status; |
111 | | |
112 | 307 | MagickOffsetType |
113 | 307 | scene; |
114 | | |
115 | 307 | QuantumInfo |
116 | 307 | *quantum_info; |
117 | | |
118 | 307 | QuantumType |
119 | 307 | quantum_type; |
120 | | |
121 | 307 | ssize_t |
122 | 307 | i; |
123 | | |
124 | 307 | size_t |
125 | 307 | length; |
126 | | |
127 | 307 | ssize_t |
128 | 307 | count, |
129 | 307 | y; |
130 | | |
131 | 307 | unsigned char |
132 | 307 | *pixels; |
133 | | |
134 | | /* |
135 | | Open image file. |
136 | | */ |
137 | 307 | assert(image_info != (const ImageInfo *) NULL); |
138 | 307 | assert(image_info->signature == MagickCoreSignature); |
139 | 307 | assert(exception != (ExceptionInfo *) NULL); |
140 | 307 | assert(exception->signature == MagickCoreSignature); |
141 | 307 | if (IsEventLogging() != MagickFalse) |
142 | 0 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
143 | 0 | image_info->filename); |
144 | 307 | image=AcquireImage(image_info,exception); |
145 | 307 | if ((image->columns == 0) || (image->rows == 0)) |
146 | 307 | ThrowReaderException(OptionError,"MustSpecifyImageSize"); |
147 | 0 | status=SetImageExtent(image,image->columns,image->rows,exception); |
148 | 0 | if (status == MagickFalse) |
149 | 0 | return(DestroyImageList(image)); |
150 | 0 | (void) SetImageColorspace(image,YCbCrColorspace,exception); |
151 | 0 | if (image_info->interlace != PartitionInterlace) |
152 | 0 | { |
153 | 0 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
154 | 0 | if (status == MagickFalse) |
155 | 0 | { |
156 | 0 | image=DestroyImageList(image); |
157 | 0 | return((Image *) NULL); |
158 | 0 | } |
159 | 0 | if (DiscardBlobBytes(image,(MagickSizeType) image->offset) == MagickFalse) |
160 | 0 | ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
161 | 0 | image->filename); |
162 | 0 | } |
163 | | /* |
164 | | Create virtual canvas to support cropping (i.e. image.rgb[100x100+10+20]). |
165 | | */ |
166 | 0 | canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse, |
167 | 0 | exception); |
168 | 0 | if (canvas_image == (Image *) NULL) |
169 | 0 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
170 | 0 | (void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod, |
171 | 0 | exception); |
172 | 0 | quantum_info=AcquireQuantumInfo(image_info,canvas_image); |
173 | 0 | if (quantum_info == (QuantumInfo *) NULL) |
174 | 0 | { |
175 | 0 | canvas_image=DestroyImage(canvas_image); |
176 | 0 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
177 | 0 | } |
178 | 0 | quantum_type=RGBQuantum; |
179 | 0 | if (LocaleCompare(image_info->magick,"YCbCrA") == 0) |
180 | 0 | { |
181 | 0 | quantum_type=RGBAQuantum; |
182 | 0 | canvas_image->alpha_trait=BlendPixelTrait; |
183 | 0 | } |
184 | 0 | pixels=GetQuantumPixels(quantum_info); |
185 | 0 | if (image_info->number_scenes != 0) |
186 | 0 | while (image->scene < image_info->scene) |
187 | 0 | { |
188 | | /* |
189 | | Skip to next image. |
190 | | */ |
191 | 0 | image->scene++; |
192 | 0 | length=GetQuantumExtent(canvas_image,quantum_info,quantum_type); |
193 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
194 | 0 | { |
195 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
196 | 0 | if (count != (ssize_t) length) |
197 | 0 | break; |
198 | 0 | } |
199 | 0 | } |
200 | 0 | count=0; |
201 | 0 | length=0; |
202 | 0 | scene=0; |
203 | 0 | status=MagickTrue; |
204 | 0 | stream=NULL; |
205 | 0 | do |
206 | 0 | { |
207 | | /* |
208 | | Read pixels to virtual canvas image then push to image. |
209 | | */ |
210 | 0 | image->alpha_trait=canvas_image->alpha_trait; |
211 | 0 | if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) |
212 | 0 | if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
213 | 0 | break; |
214 | 0 | status=SetImageExtent(image,image->columns,image->rows,exception); |
215 | 0 | if (status == MagickFalse) |
216 | 0 | break; |
217 | 0 | if (SetImageColorspace(image,YCbCrColorspace,exception) == MagickFalse) |
218 | 0 | break; |
219 | 0 | switch (image_info->interlace) |
220 | 0 | { |
221 | 0 | case NoInterlace: |
222 | 0 | default: |
223 | 0 | { |
224 | | /* |
225 | | No interlacing: YCbCrYCbCrYCbCrYCbCrYCbCrYCbCr... |
226 | | */ |
227 | 0 | if (scene == 0) |
228 | 0 | { |
229 | 0 | length=GetQuantumExtent(canvas_image,quantum_info,quantum_type); |
230 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
231 | 0 | } |
232 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
233 | 0 | { |
234 | 0 | const Quantum |
235 | 0 | *magick_restrict p; |
236 | |
|
237 | 0 | Quantum |
238 | 0 | *magick_restrict q; |
239 | |
|
240 | 0 | ssize_t |
241 | 0 | x; |
242 | |
|
243 | 0 | if (count != (ssize_t) length) |
244 | 0 | { |
245 | 0 | status=MagickFalse; |
246 | 0 | ThrowFileException(exception,CorruptImageError, |
247 | 0 | "UnexpectedEndOfFile",image->filename); |
248 | 0 | break; |
249 | 0 | } |
250 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
251 | 0 | exception); |
252 | 0 | if (q == (Quantum *) NULL) |
253 | 0 | break; |
254 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
255 | 0 | quantum_info,quantum_type,(unsigned char *) stream,exception); |
256 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
257 | 0 | break; |
258 | 0 | if (((y-image->extract_info.y) >= 0) && |
259 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
260 | 0 | { |
261 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
262 | 0 | canvas_image->columns,1,exception); |
263 | 0 | q=QueueAuthenticPixels(image,0,y-image->extract_info.y, |
264 | 0 | image->columns,1,exception); |
265 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
266 | 0 | break; |
267 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
268 | 0 | { |
269 | 0 | SetPixelRed(image,GetPixelRed(canvas_image,p),q); |
270 | 0 | SetPixelGreen(image,GetPixelGreen(canvas_image,p),q); |
271 | 0 | SetPixelBlue(image,GetPixelBlue(canvas_image,p),q); |
272 | 0 | SetPixelAlpha(image,OpaqueAlpha,q); |
273 | 0 | if (image->alpha_trait != UndefinedPixelTrait) |
274 | 0 | SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q); |
275 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
276 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
277 | 0 | } |
278 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
279 | 0 | break; |
280 | 0 | } |
281 | 0 | if (image->previous == (Image *) NULL) |
282 | 0 | { |
283 | 0 | status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
284 | 0 | image->rows); |
285 | 0 | if (status == MagickFalse) |
286 | 0 | break; |
287 | 0 | } |
288 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
289 | 0 | } |
290 | 0 | break; |
291 | 0 | } |
292 | 0 | case LineInterlace: |
293 | 0 | { |
294 | 0 | static QuantumType |
295 | 0 | quantum_types[4] = |
296 | 0 | { |
297 | 0 | RedQuantum, |
298 | 0 | GreenQuantum, |
299 | 0 | BlueQuantum, |
300 | 0 | AlphaQuantum |
301 | 0 | }; |
302 | | |
303 | | /* |
304 | | Line interlacing: YYY...CbCbCb...CrCrCr...YYY...CbCbCb...CrCrCr... |
305 | | */ |
306 | 0 | if (scene == 0) |
307 | 0 | { |
308 | 0 | length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum); |
309 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
310 | 0 | } |
311 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
312 | 0 | { |
313 | 0 | for (i=0; i < (ssize_t) (image->alpha_trait != UndefinedPixelTrait ? 4 : 3); i++) |
314 | 0 | { |
315 | 0 | const Quantum |
316 | 0 | *magick_restrict p; |
317 | |
|
318 | 0 | Quantum |
319 | 0 | *magick_restrict q; |
320 | |
|
321 | 0 | ssize_t |
322 | 0 | x; |
323 | |
|
324 | 0 | if (count != (ssize_t) length) |
325 | 0 | { |
326 | 0 | status=MagickFalse; |
327 | 0 | ThrowFileException(exception,CorruptImageError, |
328 | 0 | "UnexpectedEndOfFile",image->filename); |
329 | 0 | break; |
330 | 0 | } |
331 | 0 | quantum_type=quantum_types[i]; |
332 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
333 | 0 | exception); |
334 | 0 | if (q == (Quantum *) NULL) |
335 | 0 | break; |
336 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
337 | 0 | quantum_info,quantum_type,(unsigned char *) stream,exception); |
338 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
339 | 0 | break; |
340 | 0 | if (((y-image->extract_info.y) >= 0) && |
341 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
342 | 0 | { |
343 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x, |
344 | 0 | 0,canvas_image->columns,1,exception); |
345 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
346 | 0 | image->columns,1,exception); |
347 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
348 | 0 | break; |
349 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
350 | 0 | { |
351 | 0 | switch (quantum_type) |
352 | 0 | { |
353 | 0 | case RedQuantum: |
354 | 0 | { |
355 | 0 | SetPixelRed(image,GetPixelRed(canvas_image,p),q); |
356 | 0 | break; |
357 | 0 | } |
358 | 0 | case GreenQuantum: |
359 | 0 | { |
360 | 0 | SetPixelGreen(image,GetPixelGreen(canvas_image,p),q); |
361 | 0 | break; |
362 | 0 | } |
363 | 0 | case BlueQuantum: |
364 | 0 | { |
365 | 0 | SetPixelBlue(image,GetPixelBlue(canvas_image,p),q); |
366 | 0 | break; |
367 | 0 | } |
368 | 0 | case AlphaQuantum: |
369 | 0 | { |
370 | 0 | SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q); |
371 | 0 | break; |
372 | 0 | } |
373 | 0 | default: |
374 | 0 | break; |
375 | 0 | } |
376 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
377 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
378 | 0 | } |
379 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
380 | 0 | break; |
381 | 0 | } |
382 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
383 | 0 | } |
384 | 0 | if (image->previous == (Image *) NULL) |
385 | 0 | { |
386 | 0 | status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
387 | 0 | image->rows); |
388 | 0 | if (status == MagickFalse) |
389 | 0 | break; |
390 | 0 | } |
391 | 0 | } |
392 | 0 | break; |
393 | 0 | } |
394 | 0 | case PlaneInterlace: |
395 | 0 | { |
396 | | /* |
397 | | Plane interlacing: YYYYYY...CbCbCbCbCbCb...CrCrCrCrCrCr... |
398 | | */ |
399 | 0 | if (scene == 0) |
400 | 0 | { |
401 | 0 | length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum); |
402 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
403 | 0 | } |
404 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
405 | 0 | { |
406 | 0 | const Quantum |
407 | 0 | *magick_restrict p; |
408 | |
|
409 | 0 | Quantum |
410 | 0 | *magick_restrict q; |
411 | |
|
412 | 0 | ssize_t |
413 | 0 | x; |
414 | |
|
415 | 0 | if (count != (ssize_t) length) |
416 | 0 | { |
417 | 0 | status=MagickFalse; |
418 | 0 | ThrowFileException(exception,CorruptImageError, |
419 | 0 | "UnexpectedEndOfFile",image->filename); |
420 | 0 | break; |
421 | 0 | } |
422 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
423 | 0 | exception); |
424 | 0 | if (q == (Quantum *) NULL) |
425 | 0 | break; |
426 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
427 | 0 | quantum_info,RedQuantum,(unsigned char *) stream,exception); |
428 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
429 | 0 | break; |
430 | 0 | if (((y-image->extract_info.y) >= 0) && |
431 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
432 | 0 | { |
433 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
434 | 0 | canvas_image->columns,1,exception); |
435 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
436 | 0 | image->columns,1,exception); |
437 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
438 | 0 | break; |
439 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
440 | 0 | { |
441 | 0 | SetPixelRed(image,GetPixelRed(canvas_image,p),q); |
442 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
443 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
444 | 0 | } |
445 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
446 | 0 | break; |
447 | 0 | } |
448 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
449 | 0 | } |
450 | 0 | if (image->previous == (Image *) NULL) |
451 | 0 | { |
452 | 0 | status=SetImageProgress(image,LoadImageTag,1,5); |
453 | 0 | if (status == MagickFalse) |
454 | 0 | break; |
455 | 0 | } |
456 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
457 | 0 | { |
458 | 0 | const Quantum |
459 | 0 | *magick_restrict p; |
460 | |
|
461 | 0 | Quantum |
462 | 0 | *magick_restrict q; |
463 | |
|
464 | 0 | ssize_t |
465 | 0 | x; |
466 | |
|
467 | 0 | if (count != (ssize_t) length) |
468 | 0 | { |
469 | 0 | status=MagickFalse; |
470 | 0 | ThrowFileException(exception,CorruptImageError, |
471 | 0 | "UnexpectedEndOfFile",image->filename); |
472 | 0 | break; |
473 | 0 | } |
474 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
475 | 0 | exception); |
476 | 0 | if (q == (Quantum *) NULL) |
477 | 0 | break; |
478 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
479 | 0 | quantum_info,GreenQuantum,(unsigned char *) stream,exception); |
480 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
481 | 0 | break; |
482 | 0 | if (((y-image->extract_info.y) >= 0) && |
483 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
484 | 0 | { |
485 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
486 | 0 | canvas_image->columns,1,exception); |
487 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
488 | 0 | image->columns,1,exception); |
489 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
490 | 0 | break; |
491 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
492 | 0 | { |
493 | 0 | SetPixelGreen(image,GetPixelGreen(canvas_image,p),q); |
494 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
495 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
496 | 0 | } |
497 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
498 | 0 | break; |
499 | 0 | } |
500 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
501 | 0 | } |
502 | 0 | if (image->previous == (Image *) NULL) |
503 | 0 | { |
504 | 0 | status=SetImageProgress(image,LoadImageTag,2,5); |
505 | 0 | if (status == MagickFalse) |
506 | 0 | break; |
507 | 0 | } |
508 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
509 | 0 | { |
510 | 0 | const Quantum |
511 | 0 | *magick_restrict p; |
512 | |
|
513 | 0 | Quantum |
514 | 0 | *magick_restrict q; |
515 | |
|
516 | 0 | ssize_t |
517 | 0 | x; |
518 | |
|
519 | 0 | if (count != (ssize_t) length) |
520 | 0 | { |
521 | 0 | status=MagickFalse; |
522 | 0 | ThrowFileException(exception,CorruptImageError, |
523 | 0 | "UnexpectedEndOfFile",image->filename); |
524 | 0 | break; |
525 | 0 | } |
526 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
527 | 0 | exception); |
528 | 0 | if (q == (Quantum *) NULL) |
529 | 0 | break; |
530 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
531 | 0 | quantum_info,BlueQuantum,(unsigned char *) stream,exception); |
532 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
533 | 0 | break; |
534 | 0 | if (((y-image->extract_info.y) >= 0) && |
535 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
536 | 0 | { |
537 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
538 | 0 | canvas_image->columns,1,exception); |
539 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
540 | 0 | image->columns,1,exception); |
541 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
542 | 0 | break; |
543 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
544 | 0 | { |
545 | 0 | SetPixelBlue(image,GetPixelBlue(canvas_image,p),q); |
546 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
547 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
548 | 0 | } |
549 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
550 | 0 | break; |
551 | 0 | } |
552 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
553 | 0 | } |
554 | 0 | if (image->previous == (Image *) NULL) |
555 | 0 | { |
556 | 0 | status=SetImageProgress(image,LoadImageTag,3,5); |
557 | 0 | if (status == MagickFalse) |
558 | 0 | break; |
559 | 0 | } |
560 | 0 | if (image->alpha_trait != UndefinedPixelTrait) |
561 | 0 | { |
562 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
563 | 0 | { |
564 | 0 | const Quantum |
565 | 0 | *magick_restrict p; |
566 | |
|
567 | 0 | Quantum |
568 | 0 | *magick_restrict q; |
569 | |
|
570 | 0 | ssize_t |
571 | 0 | x; |
572 | |
|
573 | 0 | if (count != (ssize_t) length) |
574 | 0 | { |
575 | 0 | status=MagickFalse; |
576 | 0 | ThrowFileException(exception,CorruptImageError, |
577 | 0 | "UnexpectedEndOfFile",image->filename); |
578 | 0 | break; |
579 | 0 | } |
580 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
581 | 0 | exception); |
582 | 0 | if (q == (Quantum *) NULL) |
583 | 0 | break; |
584 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
585 | 0 | quantum_info,AlphaQuantum,(unsigned char *) stream,exception); |
586 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
587 | 0 | break; |
588 | 0 | if (((y-image->extract_info.y) >= 0) && |
589 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
590 | 0 | { |
591 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x, |
592 | 0 | 0,canvas_image->columns,1,exception); |
593 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
594 | 0 | image->columns,1,exception); |
595 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
596 | 0 | break; |
597 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
598 | 0 | { |
599 | 0 | SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q); |
600 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
601 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
602 | 0 | } |
603 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
604 | 0 | break; |
605 | 0 | } |
606 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
607 | 0 | } |
608 | 0 | if (image->previous == (Image *) NULL) |
609 | 0 | { |
610 | 0 | status=SetImageProgress(image,LoadImageTag,4,5); |
611 | 0 | if (status == MagickFalse) |
612 | 0 | break; |
613 | 0 | } |
614 | 0 | } |
615 | 0 | if (image->previous == (Image *) NULL) |
616 | 0 | { |
617 | 0 | status=SetImageProgress(image,LoadImageTag,5,5); |
618 | 0 | if (status == MagickFalse) |
619 | 0 | break; |
620 | 0 | } |
621 | 0 | break; |
622 | 0 | } |
623 | 0 | case PartitionInterlace: |
624 | 0 | { |
625 | | /* |
626 | | Partition interlacing: YYYYYY..., CbCbCbCbCbCb..., CrCrCrCrCrCr... |
627 | | */ |
628 | 0 | AppendImageFormat("Y",image->filename); |
629 | 0 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
630 | 0 | if (status == MagickFalse) |
631 | 0 | break; |
632 | 0 | if (DiscardBlobBytes(image,(MagickSizeType) image->offset) == MagickFalse) |
633 | 0 | { |
634 | 0 | status=MagickFalse; |
635 | 0 | ThrowFileException(exception,CorruptImageError, |
636 | 0 | "UnexpectedEndOfFile",image->filename); |
637 | 0 | break; |
638 | 0 | } |
639 | 0 | length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum); |
640 | 0 | for (i=0; i < (ssize_t) scene; i++) |
641 | 0 | { |
642 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
643 | 0 | { |
644 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
645 | 0 | if (count != (ssize_t) length) |
646 | 0 | break; |
647 | 0 | } |
648 | 0 | if (count != (ssize_t) length) |
649 | 0 | break; |
650 | 0 | } |
651 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
652 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
653 | 0 | { |
654 | 0 | const Quantum |
655 | 0 | *magick_restrict p; |
656 | |
|
657 | 0 | Quantum |
658 | 0 | *magick_restrict q; |
659 | |
|
660 | 0 | ssize_t |
661 | 0 | x; |
662 | |
|
663 | 0 | if (count != (ssize_t) length) |
664 | 0 | { |
665 | 0 | status=MagickFalse; |
666 | 0 | ThrowFileException(exception,CorruptImageError, |
667 | 0 | "UnexpectedEndOfFile",image->filename); |
668 | 0 | break; |
669 | 0 | } |
670 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
671 | 0 | exception); |
672 | 0 | if (q == (Quantum *) NULL) |
673 | 0 | break; |
674 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
675 | 0 | quantum_info,RedQuantum,(unsigned char *) stream,exception); |
676 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
677 | 0 | break; |
678 | 0 | if (((y-image->extract_info.y) >= 0) && |
679 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
680 | 0 | { |
681 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
682 | 0 | canvas_image->columns,1,exception); |
683 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
684 | 0 | image->columns,1,exception); |
685 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
686 | 0 | break; |
687 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
688 | 0 | { |
689 | 0 | SetPixelRed(image,GetPixelRed(canvas_image,p),q); |
690 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
691 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
692 | 0 | } |
693 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
694 | 0 | break; |
695 | 0 | } |
696 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
697 | 0 | } |
698 | 0 | if (image->previous == (Image *) NULL) |
699 | 0 | { |
700 | 0 | status=SetImageProgress(image,LoadImageTag,1,5); |
701 | 0 | if (status == MagickFalse) |
702 | 0 | break; |
703 | 0 | } |
704 | 0 | if (CloseBlob(image) == MagickFalse) |
705 | 0 | break; |
706 | 0 | AppendImageFormat("Cb",image->filename); |
707 | 0 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
708 | 0 | if (status == MagickFalse) |
709 | 0 | break; |
710 | 0 | length=GetQuantumExtent(canvas_image,quantum_info,GreenQuantum); |
711 | 0 | for (i=0; i < (ssize_t) scene; i++) |
712 | 0 | { |
713 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
714 | 0 | { |
715 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
716 | 0 | if (count != (ssize_t) length) |
717 | 0 | break; |
718 | 0 | } |
719 | 0 | if (count != (ssize_t) length) |
720 | 0 | break; |
721 | 0 | } |
722 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
723 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
724 | 0 | { |
725 | 0 | const Quantum |
726 | 0 | *magick_restrict p; |
727 | |
|
728 | 0 | Quantum |
729 | 0 | *magick_restrict q; |
730 | |
|
731 | 0 | ssize_t |
732 | 0 | x; |
733 | |
|
734 | 0 | if (count != (ssize_t) length) |
735 | 0 | { |
736 | 0 | status=MagickFalse; |
737 | 0 | ThrowFileException(exception,CorruptImageError, |
738 | 0 | "UnexpectedEndOfFile",image->filename); |
739 | 0 | break; |
740 | 0 | } |
741 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
742 | 0 | exception); |
743 | 0 | if (q == (Quantum *) NULL) |
744 | 0 | break; |
745 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
746 | 0 | quantum_info,GreenQuantum,(unsigned char *) stream,exception); |
747 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
748 | 0 | break; |
749 | 0 | if (((y-image->extract_info.y) >= 0) && |
750 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
751 | 0 | { |
752 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
753 | 0 | canvas_image->columns,1,exception); |
754 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
755 | 0 | image->columns,1,exception); |
756 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
757 | 0 | break; |
758 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
759 | 0 | { |
760 | 0 | SetPixelGreen(image,GetPixelGreen(canvas_image,p),q); |
761 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
762 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
763 | 0 | } |
764 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
765 | 0 | break; |
766 | 0 | } |
767 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
768 | 0 | } |
769 | 0 | if (image->previous == (Image *) NULL) |
770 | 0 | { |
771 | 0 | status=SetImageProgress(image,LoadImageTag,2,5); |
772 | 0 | if (status == MagickFalse) |
773 | 0 | break; |
774 | 0 | } |
775 | 0 | if (CloseBlob(image) == MagickFalse) |
776 | 0 | break; |
777 | 0 | AppendImageFormat("Cr",image->filename); |
778 | 0 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
779 | 0 | if (status == MagickFalse) |
780 | 0 | break; |
781 | 0 | length=GetQuantumExtent(canvas_image,quantum_info,BlueQuantum); |
782 | 0 | for (i=0; i < (ssize_t) scene; i++) |
783 | 0 | { |
784 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
785 | 0 | { |
786 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
787 | 0 | if (count != (ssize_t) length) |
788 | 0 | break; |
789 | 0 | } |
790 | 0 | if (count != (ssize_t) length) |
791 | 0 | break; |
792 | 0 | } |
793 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
794 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
795 | 0 | { |
796 | 0 | const Quantum |
797 | 0 | *magick_restrict p; |
798 | |
|
799 | 0 | Quantum |
800 | 0 | *magick_restrict q; |
801 | |
|
802 | 0 | ssize_t |
803 | 0 | x; |
804 | |
|
805 | 0 | if (count != (ssize_t) length) |
806 | 0 | { |
807 | 0 | status=MagickFalse; |
808 | 0 | ThrowFileException(exception,CorruptImageError, |
809 | 0 | "UnexpectedEndOfFile",image->filename); |
810 | 0 | break; |
811 | 0 | } |
812 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
813 | 0 | exception); |
814 | 0 | if (q == (Quantum *) NULL) |
815 | 0 | break; |
816 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
817 | 0 | quantum_info,BlueQuantum,(unsigned char *) stream,exception); |
818 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
819 | 0 | break; |
820 | 0 | if (((y-image->extract_info.y) >= 0) && |
821 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
822 | 0 | { |
823 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, |
824 | 0 | canvas_image->columns,1,exception); |
825 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
826 | 0 | image->columns,1,exception); |
827 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
828 | 0 | break; |
829 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
830 | 0 | { |
831 | 0 | SetPixelBlue(image,GetPixelBlue(canvas_image,p),q); |
832 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
833 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
834 | 0 | } |
835 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
836 | 0 | break; |
837 | 0 | } |
838 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
839 | 0 | } |
840 | 0 | if (image->previous == (Image *) NULL) |
841 | 0 | { |
842 | 0 | status=SetImageProgress(image,LoadImageTag,3,5); |
843 | 0 | if (status == MagickFalse) |
844 | 0 | break; |
845 | 0 | } |
846 | 0 | if (image->alpha_trait != UndefinedPixelTrait) |
847 | 0 | { |
848 | 0 | (void) CloseBlob(image); |
849 | 0 | if (CloseBlob(image) == MagickFalse) |
850 | 0 | break; |
851 | 0 | AppendImageFormat("A",image->filename); |
852 | 0 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
853 | 0 | if (status == MagickFalse) |
854 | 0 | break; |
855 | 0 | length=GetQuantumExtent(canvas_image,quantum_info,AlphaQuantum); |
856 | 0 | for (i=0; i < (ssize_t) scene; i++) |
857 | 0 | { |
858 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
859 | 0 | { |
860 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
861 | 0 | if (count != (ssize_t) length) |
862 | 0 | break; |
863 | 0 | } |
864 | 0 | if (count != (ssize_t) length) |
865 | 0 | break; |
866 | 0 | } |
867 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
868 | 0 | for (y=0; y < (ssize_t) image->extract_info.height; y++) |
869 | 0 | { |
870 | 0 | const Quantum |
871 | 0 | *magick_restrict p; |
872 | |
|
873 | 0 | Quantum |
874 | 0 | *magick_restrict q; |
875 | |
|
876 | 0 | ssize_t |
877 | 0 | x; |
878 | |
|
879 | 0 | if (count != (ssize_t) length) |
880 | 0 | { |
881 | 0 | status=MagickFalse; |
882 | 0 | ThrowFileException(exception,CorruptImageError, |
883 | 0 | "UnexpectedEndOfFile",image->filename); |
884 | 0 | break; |
885 | 0 | } |
886 | 0 | q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, |
887 | 0 | exception); |
888 | 0 | if (q == (Quantum *) NULL) |
889 | 0 | break; |
890 | 0 | length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, |
891 | 0 | quantum_info,BlueQuantum,(unsigned char *) stream,exception); |
892 | 0 | if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) |
893 | 0 | break; |
894 | 0 | if (((y-image->extract_info.y) >= 0) && |
895 | 0 | ((y-image->extract_info.y) < (ssize_t) image->rows)) |
896 | 0 | { |
897 | 0 | p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x, |
898 | 0 | 0,canvas_image->columns,1,exception); |
899 | 0 | q=GetAuthenticPixels(image,0,y-image->extract_info.y, |
900 | 0 | image->columns,1,exception); |
901 | 0 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
902 | 0 | break; |
903 | 0 | for (x=0; x < (ssize_t) image->columns; x++) |
904 | 0 | { |
905 | 0 | SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q); |
906 | 0 | p+=(ptrdiff_t) GetPixelChannels(canvas_image); |
907 | 0 | q+=(ptrdiff_t) GetPixelChannels(image); |
908 | 0 | } |
909 | 0 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
910 | 0 | break; |
911 | 0 | } |
912 | 0 | stream=ReadBlobStream(image,length,pixels,&count); |
913 | 0 | } |
914 | 0 | if (image->previous == (Image *) NULL) |
915 | 0 | { |
916 | 0 | status=SetImageProgress(image,LoadImageTag,4,5); |
917 | 0 | if (status == MagickFalse) |
918 | 0 | break; |
919 | 0 | } |
920 | 0 | } |
921 | 0 | if (image->previous == (Image *) NULL) |
922 | 0 | { |
923 | 0 | status=SetImageProgress(image,LoadImageTag,5,5); |
924 | 0 | if (status == MagickFalse) |
925 | 0 | break; |
926 | 0 | } |
927 | 0 | break; |
928 | 0 | } |
929 | 0 | } |
930 | 0 | if (status == MagickFalse) |
931 | 0 | break; |
932 | 0 | SetQuantumImageType(image,quantum_type); |
933 | | /* |
934 | | Proceed to next image. |
935 | | */ |
936 | 0 | if (image_info->number_scenes != 0) |
937 | 0 | if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
938 | 0 | break; |
939 | 0 | if (count == (ssize_t) length) |
940 | 0 | { |
941 | | /* |
942 | | Allocate next image structure. |
943 | | */ |
944 | 0 | AcquireNextImage(image_info,image,exception); |
945 | 0 | if (GetNextImageInList(image) == (Image *) NULL) |
946 | 0 | { |
947 | 0 | status=MagickFalse; |
948 | 0 | break; |
949 | 0 | } |
950 | 0 | image=SyncNextImageInList(image); |
951 | 0 | status=SetImageProgress(image,LoadImagesTag,TellBlob(image), |
952 | 0 | GetBlobSize(image)); |
953 | 0 | if (status == MagickFalse) |
954 | 0 | break; |
955 | 0 | } |
956 | 0 | scene++; |
957 | 0 | } while (count == (ssize_t) length); |
958 | 0 | quantum_info=DestroyQuantumInfo(quantum_info); |
959 | 0 | canvas_image=DestroyImage(canvas_image); |
960 | 0 | if (CloseBlob(image) == MagickFalse) |
961 | 0 | status=MagickFalse; |
962 | 0 | if (status == MagickFalse) |
963 | 0 | return(DestroyImageList(image)); |
964 | 0 | return(GetFirstImageInList(image)); |
965 | 0 | } |
966 | | |
967 | | /* |
968 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
969 | | % % |
970 | | % % |
971 | | % % |
972 | | % R e g i s t e r Y C b C r I m a g e % |
973 | | % % |
974 | | % % |
975 | | % % |
976 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
977 | | % |
978 | | % RegisterYCBCRImage() adds attributes for the YCbCr or YCbCrA image format to |
979 | | % the list of supported formats. The attributes include the image format |
980 | | % tag, a method to read and/or write the format, whether the format |
981 | | % supports the saving of more than one frame to the same file or blob, |
982 | | % whether the format supports native in-memory I/O, and a brief |
983 | | % description of the format. |
984 | | % |
985 | | % The format of the RegisterYCBCRImage method is: |
986 | | % |
987 | | % size_t RegisterYCBCRImage(void) |
988 | | % |
989 | | */ |
990 | | ModuleExport size_t RegisterYCBCRImage(void) |
991 | 8 | { |
992 | 8 | MagickInfo |
993 | 8 | *entry; |
994 | | |
995 | 8 | entry=AcquireMagickInfo("YCBCR","YCBCR","Raw Y, Cb, and Cr samples"); |
996 | 8 | entry->decoder=(DecodeImageHandler *) ReadYCBCRImage; |
997 | 8 | entry->encoder=(EncodeImageHandler *) WriteYCBCRImage; |
998 | 8 | entry->flags|=CoderRawSupportFlag; |
999 | 8 | entry->flags|=CoderEndianSupportFlag; |
1000 | 8 | (void) RegisterMagickInfo(entry); |
1001 | 8 | entry=AcquireMagickInfo("YCBCR","YCBCRA","Raw Y, Cb, Cr, and alpha samples"); |
1002 | 8 | entry->decoder=(DecodeImageHandler *) ReadYCBCRImage; |
1003 | 8 | entry->encoder=(EncodeImageHandler *) WriteYCBCRImage; |
1004 | 8 | entry->flags|=CoderRawSupportFlag; |
1005 | 8 | entry->flags|=CoderEndianSupportFlag; |
1006 | 8 | (void) RegisterMagickInfo(entry); |
1007 | 8 | return(MagickImageCoderSignature); |
1008 | 8 | } |
1009 | | |
1010 | | /* |
1011 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
1012 | | % % |
1013 | | % % |
1014 | | % % |
1015 | | % U n r e g i s t e r Y C b C r I m a g e % |
1016 | | % % |
1017 | | % % |
1018 | | % % |
1019 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
1020 | | % |
1021 | | % UnregisterYCBCRImage() removes format registrations made by the |
1022 | | % YCbCr module from the list of supported formats. |
1023 | | % |
1024 | | % The format of the UnregisterYCBCRImage method is: |
1025 | | % |
1026 | | % UnregisterYCBCRImage(void) |
1027 | | % |
1028 | | */ |
1029 | | ModuleExport void UnregisterYCBCRImage(void) |
1030 | 0 | { |
1031 | 0 | (void) UnregisterMagickInfo("YCbCr"); |
1032 | 0 | (void) UnregisterMagickInfo("YCbCrA"); |
1033 | 0 | } |
1034 | | |
1035 | | /* |
1036 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
1037 | | % % |
1038 | | % % |
1039 | | % % |
1040 | | % W r i t e Y C b C r I m a g e % |
1041 | | % % |
1042 | | % % |
1043 | | % % |
1044 | | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
1045 | | % |
1046 | | % WriteYCBCRImage() writes an image to a file in the YCbCr or YCbCrA |
1047 | | % rasterfile format. |
1048 | | % |
1049 | | % The format of the WriteYCBCRImage method is: |
1050 | | % |
1051 | | % MagickBooleanType WriteYCBCRImage(const ImageInfo *image_info, |
1052 | | % Image *image,ExceptionInfo *exception) |
1053 | | % |
1054 | | % A description of each parameter follows. |
1055 | | % |
1056 | | % o image_info: the image info. |
1057 | | % |
1058 | | % o image: The image. |
1059 | | % |
1060 | | % o exception: return any errors or warnings in this structure. |
1061 | | % |
1062 | | */ |
1063 | | static MagickBooleanType WriteYCBCRImage(const ImageInfo *image_info, |
1064 | | Image *image,ExceptionInfo *exception) |
1065 | 0 | { |
1066 | 0 | const Quantum |
1067 | 0 | *p; |
1068 | |
|
1069 | 0 | MagickBooleanType |
1070 | 0 | status = MagickTrue; |
1071 | |
|
1072 | 0 | MagickOffsetType |
1073 | 0 | scene; |
1074 | |
|
1075 | 0 | QuantumInfo |
1076 | 0 | *quantum_info; |
1077 | |
|
1078 | 0 | QuantumType |
1079 | 0 | quantum_type; |
1080 | |
|
1081 | 0 | size_t |
1082 | 0 | length, |
1083 | 0 | number_scenes; |
1084 | |
|
1085 | 0 | ssize_t |
1086 | 0 | count, |
1087 | 0 | y; |
1088 | |
|
1089 | 0 | unsigned char |
1090 | 0 | *pixels; |
1091 | | |
1092 | | /* |
1093 | | Allocate memory for pixels. |
1094 | | */ |
1095 | 0 | assert(image_info != (const ImageInfo *) NULL); |
1096 | 0 | assert(image_info->signature == MagickCoreSignature); |
1097 | 0 | assert(image != (Image *) NULL); |
1098 | 0 | assert(image->signature == MagickCoreSignature); |
1099 | 0 | if (IsEventLogging() != MagickFalse) |
1100 | 0 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
1101 | 0 | if (image_info->interlace != PartitionInterlace) |
1102 | 0 | { |
1103 | | /* |
1104 | | Open output image file. |
1105 | | */ |
1106 | 0 | assert(exception != (ExceptionInfo *) NULL); |
1107 | 0 | assert(exception->signature == MagickCoreSignature); |
1108 | 0 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); |
1109 | 0 | if (status == MagickFalse) |
1110 | 0 | return(status); |
1111 | 0 | } |
1112 | 0 | quantum_type=RGBQuantum; |
1113 | 0 | if (LocaleCompare(image_info->magick,"YCbCrA") == 0) |
1114 | 0 | quantum_type=RGBAQuantum; |
1115 | 0 | scene=0; |
1116 | 0 | number_scenes=GetImageListLength(image); |
1117 | 0 | do |
1118 | 0 | { |
1119 | | /* |
1120 | | Convert MIFF to YCbCr raster pixels. |
1121 | | */ |
1122 | 0 | if (image->colorspace != YCbCrColorspace) |
1123 | 0 | (void) TransformImageColorspace(image,YCbCrColorspace,exception); |
1124 | 0 | if ((LocaleCompare(image_info->magick,"YCbCrA") == 0) && |
1125 | 0 | ((image->alpha_trait & BlendPixelTrait) == 0)) |
1126 | 0 | (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception); |
1127 | 0 | quantum_info=AcquireQuantumInfo(image_info,image); |
1128 | 0 | if (quantum_info == (QuantumInfo *) NULL) |
1129 | 0 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
1130 | 0 | pixels=(unsigned char *) GetQuantumPixels(quantum_info); |
1131 | 0 | switch (image_info->interlace) |
1132 | 0 | { |
1133 | 0 | case NoInterlace: |
1134 | 0 | default: |
1135 | 0 | { |
1136 | | /* |
1137 | | No interlacing: YCbCrYCbCrYCbCrYCbCrYCbCrYCbCr... |
1138 | | */ |
1139 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1140 | 0 | { |
1141 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1142 | 0 | if (p == (const Quantum *) NULL) |
1143 | 0 | break; |
1144 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1145 | 0 | quantum_type,pixels,exception); |
1146 | 0 | count=WriteBlob(image,length,pixels); |
1147 | 0 | if (count != (ssize_t) length) |
1148 | 0 | break; |
1149 | 0 | if (image->previous == (Image *) NULL) |
1150 | 0 | { |
1151 | 0 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
1152 | 0 | image->rows); |
1153 | 0 | if (status == MagickFalse) |
1154 | 0 | break; |
1155 | 0 | } |
1156 | 0 | } |
1157 | 0 | break; |
1158 | 0 | } |
1159 | 0 | case LineInterlace: |
1160 | 0 | { |
1161 | | /* |
1162 | | Line interlacing: YYY...CbCbCb...CrCrCr...YYY...CbCbCb...CrCrCr... |
1163 | | */ |
1164 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1165 | 0 | { |
1166 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1167 | 0 | if (p == (const Quantum *) NULL) |
1168 | 0 | break; |
1169 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1170 | 0 | RedQuantum,pixels,exception); |
1171 | 0 | count=WriteBlob(image,length,pixels); |
1172 | 0 | if (count != (ssize_t) length) |
1173 | 0 | break; |
1174 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1175 | 0 | GreenQuantum,pixels,exception); |
1176 | 0 | count=WriteBlob(image,length,pixels); |
1177 | 0 | if (count != (ssize_t) length) |
1178 | 0 | break; |
1179 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1180 | 0 | BlueQuantum,pixels,exception); |
1181 | 0 | count=WriteBlob(image,length,pixels); |
1182 | 0 | if (count != (ssize_t) length) |
1183 | 0 | break; |
1184 | 0 | if (quantum_type == RGBAQuantum) |
1185 | 0 | { |
1186 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1187 | 0 | AlphaQuantum,pixels,exception); |
1188 | 0 | count=WriteBlob(image,length,pixels); |
1189 | 0 | if (count != (ssize_t) length) |
1190 | 0 | break; |
1191 | 0 | } |
1192 | 0 | if (image->previous == (Image *) NULL) |
1193 | 0 | { |
1194 | 0 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
1195 | 0 | image->rows); |
1196 | 0 | if (status == MagickFalse) |
1197 | 0 | break; |
1198 | 0 | } |
1199 | 0 | } |
1200 | 0 | break; |
1201 | 0 | } |
1202 | 0 | case PlaneInterlace: |
1203 | 0 | { |
1204 | | /* |
1205 | | Plane interlacing: YYYYYY...CbCbCbCbCbCb...CrCrCrCrCrCr... |
1206 | | */ |
1207 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1208 | 0 | { |
1209 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1210 | 0 | if (p == (const Quantum *) NULL) |
1211 | 0 | break; |
1212 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1213 | 0 | RedQuantum,pixels,exception); |
1214 | 0 | count=WriteBlob(image,length,pixels); |
1215 | 0 | if (count != (ssize_t) length) |
1216 | 0 | break; |
1217 | 0 | } |
1218 | 0 | if (image->previous == (Image *) NULL) |
1219 | 0 | { |
1220 | 0 | status=SetImageProgress(image,SaveImageTag,1,5); |
1221 | 0 | if (status == MagickFalse) |
1222 | 0 | break; |
1223 | 0 | } |
1224 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1225 | 0 | { |
1226 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1227 | 0 | if (p == (const Quantum *) NULL) |
1228 | 0 | break; |
1229 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1230 | 0 | GreenQuantum,pixels,exception); |
1231 | 0 | count=WriteBlob(image,length,pixels); |
1232 | 0 | if (count != (ssize_t) length) |
1233 | 0 | break; |
1234 | 0 | } |
1235 | 0 | if (image->previous == (Image *) NULL) |
1236 | 0 | { |
1237 | 0 | status=SetImageProgress(image,SaveImageTag,2,5); |
1238 | 0 | if (status == MagickFalse) |
1239 | 0 | break; |
1240 | 0 | } |
1241 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1242 | 0 | { |
1243 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1244 | 0 | if (p == (const Quantum *) NULL) |
1245 | 0 | break; |
1246 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1247 | 0 | BlueQuantum,pixels,exception); |
1248 | 0 | count=WriteBlob(image,length,pixels); |
1249 | 0 | if (count != (ssize_t) length) |
1250 | 0 | break; |
1251 | 0 | } |
1252 | 0 | if (image->previous == (Image *) NULL) |
1253 | 0 | { |
1254 | 0 | status=SetImageProgress(image,SaveImageTag,3,5); |
1255 | 0 | if (status == MagickFalse) |
1256 | 0 | break; |
1257 | 0 | } |
1258 | 0 | if (quantum_type == RGBAQuantum) |
1259 | 0 | { |
1260 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1261 | 0 | { |
1262 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1263 | 0 | if (p == (const Quantum *) NULL) |
1264 | 0 | break; |
1265 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1266 | 0 | AlphaQuantum,pixels,exception); |
1267 | 0 | count=WriteBlob(image,length,pixels); |
1268 | 0 | if (count != (ssize_t) length) |
1269 | 0 | break; |
1270 | 0 | } |
1271 | 0 | } |
1272 | 0 | if (image_info->interlace == PartitionInterlace) |
1273 | 0 | (void) CopyMagickString(image->filename,image_info->filename, |
1274 | 0 | MagickPathExtent); |
1275 | 0 | if (image->previous == (Image *) NULL) |
1276 | 0 | { |
1277 | 0 | status=SetImageProgress(image,SaveImageTag,5,5); |
1278 | 0 | if (status == MagickFalse) |
1279 | 0 | break; |
1280 | 0 | } |
1281 | 0 | break; |
1282 | 0 | } |
1283 | 0 | case PartitionInterlace: |
1284 | 0 | { |
1285 | | /* |
1286 | | Partition interlacing: YYYYYY..., CbCbCbCbCbCb..., CrCrCrCrCrCr... |
1287 | | */ |
1288 | 0 | AppendImageFormat("Y",image->filename); |
1289 | 0 | status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : |
1290 | 0 | AppendBinaryBlobMode,exception); |
1291 | 0 | if (status == MagickFalse) |
1292 | 0 | return(status); |
1293 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1294 | 0 | { |
1295 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1296 | 0 | if (p == (const Quantum *) NULL) |
1297 | 0 | break; |
1298 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1299 | 0 | RedQuantum,pixels,exception); |
1300 | 0 | count=WriteBlob(image,length,pixels); |
1301 | 0 | if (count != (ssize_t) length) |
1302 | 0 | break; |
1303 | 0 | } |
1304 | 0 | if (image->previous == (Image *) NULL) |
1305 | 0 | { |
1306 | 0 | status=SetImageProgress(image,SaveImageTag,1,5); |
1307 | 0 | if (status == MagickFalse) |
1308 | 0 | break; |
1309 | 0 | } |
1310 | 0 | if (CloseBlob(image) == MagickFalse) |
1311 | 0 | break; |
1312 | 0 | AppendImageFormat("Cb",image->filename); |
1313 | 0 | status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : |
1314 | 0 | AppendBinaryBlobMode,exception); |
1315 | 0 | if (status == MagickFalse) |
1316 | 0 | return(status); |
1317 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1318 | 0 | { |
1319 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1320 | 0 | if (p == (const Quantum *) NULL) |
1321 | 0 | break; |
1322 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1323 | 0 | GreenQuantum,pixels,exception); |
1324 | 0 | count=WriteBlob(image,length,pixels); |
1325 | 0 | if (count != (ssize_t) length) |
1326 | 0 | break; |
1327 | 0 | } |
1328 | 0 | if (image->previous == (Image *) NULL) |
1329 | 0 | { |
1330 | 0 | status=SetImageProgress(image,SaveImageTag,2,5); |
1331 | 0 | if (status == MagickFalse) |
1332 | 0 | break; |
1333 | 0 | } |
1334 | 0 | if (CloseBlob(image) == MagickFalse) |
1335 | 0 | break; |
1336 | 0 | AppendImageFormat("Cr",image->filename); |
1337 | 0 | status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : |
1338 | 0 | AppendBinaryBlobMode,exception); |
1339 | 0 | if (status == MagickFalse) |
1340 | 0 | return(status); |
1341 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1342 | 0 | { |
1343 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1344 | 0 | if (p == (const Quantum *) NULL) |
1345 | 0 | break; |
1346 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1347 | 0 | BlueQuantum,pixels,exception); |
1348 | 0 | count=WriteBlob(image,length,pixels); |
1349 | 0 | if (count != (ssize_t) length) |
1350 | 0 | break; |
1351 | 0 | } |
1352 | 0 | if (image->previous == (Image *) NULL) |
1353 | 0 | { |
1354 | 0 | status=SetImageProgress(image,SaveImageTag,3,5); |
1355 | 0 | if (status == MagickFalse) |
1356 | 0 | break; |
1357 | 0 | } |
1358 | 0 | if (quantum_type == RGBAQuantum) |
1359 | 0 | { |
1360 | 0 | if (CloseBlob(image) == MagickFalse) |
1361 | 0 | break; |
1362 | 0 | AppendImageFormat("A",image->filename); |
1363 | 0 | status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : |
1364 | 0 | AppendBinaryBlobMode,exception); |
1365 | 0 | if (status == MagickFalse) |
1366 | 0 | return(status); |
1367 | 0 | for (y=0; y < (ssize_t) image->rows; y++) |
1368 | 0 | { |
1369 | 0 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
1370 | 0 | if (p == (const Quantum *) NULL) |
1371 | 0 | break; |
1372 | 0 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
1373 | 0 | AlphaQuantum,pixels,exception); |
1374 | 0 | count=WriteBlob(image,length,pixels); |
1375 | 0 | if (count != (ssize_t) length) |
1376 | 0 | break; |
1377 | 0 | } |
1378 | 0 | if (image->previous == (Image *) NULL) |
1379 | 0 | { |
1380 | 0 | status=SetImageProgress(image,SaveImageTag,4,5); |
1381 | 0 | if (status == MagickFalse) |
1382 | 0 | break; |
1383 | 0 | } |
1384 | 0 | } |
1385 | 0 | (void) CloseBlob(image); |
1386 | 0 | (void) CopyMagickString(image->filename,image_info->filename, |
1387 | 0 | MagickPathExtent); |
1388 | 0 | if (image->previous == (Image *) NULL) |
1389 | 0 | { |
1390 | 0 | status=SetImageProgress(image,SaveImageTag,5,5); |
1391 | 0 | if (status == MagickFalse) |
1392 | 0 | break; |
1393 | 0 | } |
1394 | 0 | break; |
1395 | 0 | } |
1396 | 0 | } |
1397 | 0 | quantum_info=DestroyQuantumInfo(quantum_info); |
1398 | 0 | if (GetNextImageInList(image) == (Image *) NULL) |
1399 | 0 | break; |
1400 | 0 | image=SyncNextImageInList(image); |
1401 | 0 | status=SetImageProgress(image,SaveImagesTag,scene++,number_scenes); |
1402 | 0 | if (status == MagickFalse) |
1403 | 0 | break; |
1404 | 0 | } while (image_info->adjoin != MagickFalse); |
1405 | 0 | if (CloseBlob(image) == MagickFalse) |
1406 | 0 | status=MagickFalse; |
1407 | 0 | return(status); |
1408 | 0 | } |