1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 % %
4 % %
5 % %
6 % FFFFF PPPP X X %
7 % F P P X X %
8 % FFF PPPP X %
9 % F P X X %
10 % F P X X %
11 % %
12 % %
13 % Read/Write FlashPIX Image Format %
14 % %
15 % Software Design %
16 % Cristy %
17 % July 1992 %
18 % %
19 % %
20 % Copyright 1999-2021 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/attribute.h"
44 #include "MagickCore/property.h"
45 #include "MagickCore/blob.h"
46 #include "MagickCore/blob-private.h"
47 #include "MagickCore/cache.h"
48 #include "MagickCore/color.h"
49 #include "MagickCore/color-private.h"
50 #include "MagickCore/colormap.h"
51 #include "MagickCore/colorspace.h"
52 #include "MagickCore/colorspace-private.h"
53 #include "MagickCore/constitute.h"
54 #include "MagickCore/exception.h"
55 #include "MagickCore/exception-private.h"
56 #include "MagickCore/geometry.h"
57 #include "MagickCore/image.h"
58 #include "MagickCore/image-private.h"
59 #include "MagickCore/list.h"
60 #include "MagickCore/magick.h"
61 #include "MagickCore/memory_.h"
62 #include "MagickCore/monitor.h"
63 #include "MagickCore/monitor-private.h"
64 #include "MagickCore/option.h"
65 #include "MagickCore/pixel.h"
66 #include "MagickCore/pixel-accessor.h"
67 #include "MagickCore/property.h"
68 #include "MagickCore/quantum-private.h"
69 #include "MagickCore/static.h"
70 #include "MagickCore/string_.h"
71 #include "MagickCore/module.h"
72 #if defined(MAGICKCORE_FPX_DELEGATE)
73 #if !defined(vms) && !defined(macintosh) && !defined(MAGICKCORE_WINDOWS_SUPPORT)
74 #include <fpxlib.h>
75 #else
76 #include "Fpxlib.h"
77 #endif
78 #endif
79
80 #if defined(MAGICKCORE_FPX_DELEGATE)
81 /*
82 Forward declarations.
83 */
84 static MagickBooleanType
85 WriteFPXImage(const ImageInfo *,Image *,ExceptionInfo *);
86 #endif
87
88 #if defined(MAGICKCORE_FPX_DELEGATE)
89 /*
90 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
91 % %
92 % %
93 % %
94 % R e a d F P X I m a g e %
95 % %
96 % %
97 % %
98 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
99 %
100 % ReadFPXImage() reads a FlashPix image file and returns it. It
101 % allocates the memory necessary for the new Image structure and returns a
102 % pointer to the new image. This method was contributed by BillR@corbis.com.
103 %
104 % The format of the ReadFPXImage method is:
105 %
106 % Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
107 %
108 % A description of each parameter follows:
109 %
110 % o image_info: the image info.
111 %
112 % o exception: return any errors or warnings in this structure.
113 %
114 */
ReadFPXImage(const ImageInfo * image_info,ExceptionInfo * exception)115 static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
116 {
117 const char
118 *option;
119
120 FPXColorspace
121 colorspace;
122
123 FPXImageComponentDesc
124 *alpha_component,
125 *blue_component,
126 *green_component,
127 *red_component;
128
129 FPXImageDesc
130 fpx_info;
131
132 FPXImageHandle
133 *flashpix;
134
135 FPXStatus
136 fpx_status;
137
138 FPXSummaryInformation
139 summary_info;
140
141 Image
142 *image;
143
144 MagickBooleanType
145 status;
146
147 Quantum
148 index;
149
150 ssize_t
151 i,
152 x;
153
154 Quantum
155 *q;
156
157 unsigned char
158 *a,
159 *b,
160 *g,
161 *r;
162
163 size_t
164 memory_limit;
165
166 ssize_t
167 y;
168
169 unsigned char
170 *pixels;
171
172 unsigned int
173 height,
174 tile_width,
175 tile_height,
176 width;
177
178 size_t
179 scene;
180
181 /*
182 Open image.
183 */
184 assert(image_info != (const ImageInfo *) NULL);
185 assert(image_info->signature == MagickCoreSignature);
186 if (image_info->debug != MagickFalse)
187 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
188 image_info->filename);
189 assert(exception != (ExceptionInfo *) NULL);
190 assert(exception->signature == MagickCoreSignature);
191 image=AcquireImage(image_info,exception);
192 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
193 if (status == MagickFalse)
194 {
195 image=DestroyImageList(image);
196 return((Image *) NULL);
197 }
198 (void) CloseBlob(image);
199 /*
200 Initialize FPX toolkit.
201 */
202 fpx_status=FPX_InitSystem();
203 if (fpx_status != FPX_OK)
204 ThrowReaderException(CoderError,"UnableToInitializeFPXLibrary");
205 memory_limit=20000000;
206 fpx_status=FPX_SetToolkitMemoryLimit(&memory_limit);
207 if (fpx_status != FPX_OK)
208 {
209 FPX_ClearSystem();
210 ThrowReaderException(CoderError,"UnableToInitializeFPXLibrary");
211 }
212 tile_width=64;
213 tile_height=64;
214 flashpix=(FPXImageHandle *) NULL;
215 {
216 #if defined(macintosh)
217 FSSpec
218 fsspec;
219
220 FilenameToFSSpec(image->filename,&fsspec);
221 fpx_status=FPX_OpenImageByFilename((const FSSpec &) fsspec,(char *) NULL,
222 #else
223 fpx_status=FPX_OpenImageByFilename(image->filename,(char *) NULL,
224 #endif
225 &width,&height,&tile_width,&tile_height,&colorspace,&flashpix);
226 }
227 if (fpx_status == FPX_LOW_MEMORY_ERROR)
228 {
229 FPX_ClearSystem();
230 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
231 }
232 if (fpx_status != FPX_OK)
233 {
234 FPX_ClearSystem();
235 ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
236 image->filename);
237 image=DestroyImageList(image);
238 return((Image *) NULL);
239 }
240 if (colorspace.numberOfComponents == 0)
241 {
242 FPX_ClearSystem();
243 ThrowReaderException(CorruptImageError,"ImageTypeNotSupported");
244 }
245 option=GetImageOption(image_info,"fpx:view");
246 if (option == (const char *) NULL)
247 {
248 float
249 aspect_ratio;
250
251 /*
252 Get the aspect ratio.
253 */
254 aspect_ratio=(float) width/height;
255 fpx_status=FPX_GetImageResultAspectRatio(flashpix,&aspect_ratio);
256 if (fpx_status != FPX_OK)
257 ThrowReaderException(DelegateError,"UnableToReadAspectRatio");
258 if (width != (size_t) floor((aspect_ratio*height)+0.5))
259 Swap(width,height);
260 }
261 fpx_status=FPX_GetSummaryInformation(flashpix,&summary_info);
262 if (fpx_status != FPX_OK)
263 {
264 FPX_ClearSystem();
265 ThrowReaderException(DelegateError,"UnableToReadSummaryInfo");
266 }
267 if (summary_info.title_valid)
268 if ((summary_info.title.length != 0) &&
269 (summary_info.title.ptr != (unsigned char *) NULL))
270 {
271 char
272 *label;
273
274 /*
275 Note image label.
276 */
277 label=(char *) NULL;
278 if (~summary_info.title.length >= (MagickPathExtent-1))
279 label=(char *) AcquireQuantumMemory(summary_info.title.length+
280 MagickPathExtent,sizeof(*label));
281 if (label == (char *) NULL)
282 {
283 FPX_ClearSystem();
284 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
285 }
286 (void) CopyMagickString(label,(char *) summary_info.title.ptr,
287 summary_info.title.length+1);
288 (void) SetImageProperty(image,"label",label,exception);
289 label=DestroyString(label);
290 }
291 if (summary_info.comments_valid)
292 if ((summary_info.comments.length != 0) &&
293 (summary_info.comments.ptr != (unsigned char *) NULL))
294 {
295 char
296 *comments;
297
298 /*
299 Note image comment.
300 */
301 comments=(char *) NULL;
302 if (~summary_info.comments.length >= (MagickPathExtent-1))
303 comments=(char *) AcquireQuantumMemory(summary_info.comments.length+
304 MagickPathExtent,sizeof(*comments));
305 if (comments == (char *) NULL)
306 {
307 FPX_ClearSystem();
308 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
309 }
310 (void) CopyMagickString(comments,(char *) summary_info.comments.ptr,
311 summary_info.comments.length+1);
312 (void) SetImageProperty(image,"comment",comments,exception);
313 comments=DestroyString(comments);
314 }
315 /*
316 Determine resolution by scene specification.
317 */
318 for (i=1; ; i++)
319 if (((width >> i) < tile_width) || ((height >> i) < tile_height))
320 break;
321 scene=i;
322 if (image_info->number_scenes != 0)
323 while (scene > image_info->scene)
324 {
325 width>>=1;
326 height>>=1;
327 scene--;
328 }
329 if (image_info->size != (char *) NULL)
330 while ((width > image->columns) || (height > image->rows))
331 {
332 width>>=1;
333 height>>=1;
334 scene--;
335 }
336 image->depth=8;
337 image->columns=width;
338 image->rows=height;
339 if ((colorspace.numberOfComponents % 2) == 0)
340 image->alpha_trait=BlendPixelTrait;
341 if (colorspace.numberOfComponents == 1)
342 {
343 /*
344 Create linear colormap.
345 */
346 if (AcquireImageColormap(image,MaxColormapSize,exception) == MagickFalse)
347 {
348 FPX_ClearSystem();
349 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
350 }
351 }
352 if (image_info->ping != MagickFalse)
353 {
354 (void) FPX_CloseImage(flashpix);
355 FPX_ClearSystem();
356 return(GetFirstImageInList(image));
357 }
358 status=SetImageExtent(image,image->columns,image->rows,exception);
359 if (status == MagickFalse)
360 return(DestroyImageList(image));
361 /*
362 Allocate memory for the image and pixel buffer.
363 */
364 pixels=(unsigned char *) AcquireQuantumMemory(image->columns,(tile_height+
365 1UL)*colorspace.numberOfComponents*sizeof(*pixels));
366 if (pixels == (unsigned char *) NULL)
367 {
368 FPX_ClearSystem();
369 (void) FPX_CloseImage(flashpix);
370 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
371 }
372 /*
373 Initialize FlashPix image description.
374 */
375 fpx_info.numberOfComponents=colorspace.numberOfComponents;
376 for (i=0; i < 4; i++)
377 {
378 fpx_info.components[i].myColorType.myDataType=DATA_TYPE_UNSIGNED_BYTE;
379 fpx_info.components[i].horzSubSampFactor=1;
380 fpx_info.components[i].vertSubSampFactor=1;
381 fpx_info.components[i].columnStride=fpx_info.numberOfComponents;
382 fpx_info.components[i].lineStride=image->columns*
383 fpx_info.components[i].columnStride;
384 fpx_info.components[i].theData=pixels+i;
385 }
386 fpx_info.components[0].myColorType.myColor=fpx_info.numberOfComponents > 2 ?
387 NIFRGB_R : MONOCHROME;
388 red_component=(&fpx_info.components[0]);
389 fpx_info.components[1].myColorType.myColor=fpx_info.numberOfComponents > 2 ?
390 NIFRGB_G : ALPHA;
391 green_component=(&fpx_info.components[1]);
392 fpx_info.components[2].myColorType.myColor=NIFRGB_B;
393 blue_component=(&fpx_info.components[2]);
394 fpx_info.components[3].myColorType.myColor=ALPHA;
395 alpha_component=(&fpx_info.components[fpx_info.numberOfComponents-1]);
396 FPX_SetResampleMethod(FPX_LINEAR_INTERPOLATION);
397 /*
398 Initialize image pixels.
399 */
400 for (y=0; y < (ssize_t) image->rows; y++)
401 {
402 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
403 if (q == (Quantum *) NULL)
404 break;
405 if ((y % tile_height) == 0)
406 {
407 /*
408 Read FPX image tile (with or without viewing affine)..
409 */
410 if (option != (const char *) NULL)
411 fpx_status=FPX_ReadImageRectangle(flashpix,0,y,image->columns,y+
412 tile_height-1,scene,&fpx_info);
413 else
414 fpx_status=FPX_ReadImageTransformRectangle(flashpix,0.0F,
415 (float) y/image->rows,(float) image->columns/image->rows,
416 (float) (y+tile_height-1)/image->rows,(ssize_t) image->columns,
417 (ssize_t) tile_height,&fpx_info);
418 if (fpx_status == FPX_LOW_MEMORY_ERROR)
419 {
420 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
421 (void) FPX_CloseImage(flashpix);
422 FPX_ClearSystem();
423 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
424 }
425 }
426 /*
427 Transfer a FPX pixels.
428 */
429 r=red_component->theData+(y % tile_height)*red_component->lineStride;
430 g=green_component->theData+(y % tile_height)*green_component->lineStride;
431 b=blue_component->theData+(y % tile_height)*blue_component->lineStride;
432 a=alpha_component->theData+(y % tile_height)*alpha_component->lineStride;
433 for (x=0; x < (ssize_t) image->columns; x++)
434 {
435 if (fpx_info.numberOfComponents > 2)
436 {
437 SetPixelRed(image,ScaleCharToQuantum(*r),q);
438 SetPixelGreen(image,ScaleCharToQuantum(*g),q);
439 SetPixelBlue(image,ScaleCharToQuantum(*b),q);
440 }
441 else
442 {
443 index=ScaleCharToQuantum(*r);
444 SetPixelBlack(image,index,q);
445 SetPixelRed(image,index,q);
446 SetPixelGreen(image,index,q);
447 SetPixelBlue(image,index,q);
448 }
449 SetPixelAlpha(image,OpaqueAlpha,q);
450 if (image->alpha_trait != UndefinedPixelTrait)
451 SetPixelAlpha(image,ScaleCharToQuantum(*a),q);
452 q+=GetPixelChannels(image);
453 r+=red_component->columnStride;
454 g+=green_component->columnStride;
455 b+=blue_component->columnStride;
456 a+=alpha_component->columnStride;
457 }
458 if (SyncAuthenticPixels(image,exception) == MagickFalse)
459 break;
460 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
461 image->rows);
462 if (status == MagickFalse)
463 break;
464 }
465 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
466 (void) FPX_CloseImage(flashpix);
467 FPX_ClearSystem();
468 return(GetFirstImageInList(image));
469 }
470 #endif
471
472 /*
473 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
474 % %
475 % %
476 % %
477 % R e g i s t e r F P X I m a g e %
478 % %
479 % %
480 % %
481 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
482 %
483 % RegisterFPXImage() adds attributes for the FPX image format to
484 % the list of supported formats. The attributes include the image format
485 % tag, a method to read and/or write the format, whether the format
486 % supports the saving of more than one frame to the same file or blob,
487 % whether the format supports native in-memory I/O, and a brief
488 % description of the format.
489 %
490 % The format of the RegisterFPXImage method is:
491 %
492 % size_t RegisterFPXImage(void)
493 %
494 */
RegisterFPXImage(void)495 ModuleExport size_t RegisterFPXImage(void)
496 {
497 MagickInfo
498 *entry;
499
500 entry=AcquireMagickInfo("FPX","FPX","FlashPix Format");
501 #if defined(MAGICKCORE_FPX_DELEGATE)
502 entry->decoder=(DecodeImageHandler *) ReadFPXImage;
503 entry->encoder=(EncodeImageHandler *) WriteFPXImage;
504 #endif
505 entry->flags^=CoderAdjoinFlag;
506 entry->flags^=CoderBlobSupportFlag;
507 (void) RegisterMagickInfo(entry);
508 return(MagickImageCoderSignature);
509 }
510
511 /*
512 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
513 % %
514 % %
515 % %
516 % U n r e g i s t e r F P X I m a g e %
517 % %
518 % %
519 % %
520 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
521 %
522 % UnregisterFPXImage() removes format registrations made by the
523 % FPX module from the list of supported formats.
524 %
525 % The format of the UnregisterFPXImage method is:
526 %
527 % UnregisterFPXImage(void)
528 %
529 */
UnregisterFPXImage(void)530 ModuleExport void UnregisterFPXImage(void)
531 {
532 (void) UnregisterMagickInfo("FPX");
533 }
534
535 #if defined(MAGICKCORE_FPX_DELEGATE)
536 /*
537 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
538 % %
539 % %
540 % %
541 % W r i t e F P X I m a g e %
542 % %
543 % %
544 % %
545 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
546 %
547 % WriteFPXImage() writes an image in the FlashPix image format. This
548 % method was contributed by BillR@corbis.com.
549 %
550 % The format of the WriteFPXImage method is:
551 %
552 % MagickBooleanType WriteFPXImage(const ImageInfo *image_info,
553 % Image *image,ExceptionInfo *exception)
554 %
555 % A description of each parameter follows.
556 %
557 % o image_info: the image info.
558 %
559 % o image: The image.
560 %
561 % o exception: return any errors or warnings in this structure.
562 %
563 */
564
ColorTwistMultiply(FPXColorTwistMatrix first,FPXColorTwistMatrix second,FPXColorTwistMatrix * color_twist)565 static void ColorTwistMultiply(FPXColorTwistMatrix first,
566 FPXColorTwistMatrix second,FPXColorTwistMatrix *color_twist)
567 {
568 /*
569 Matrix multiply.
570 */
571 assert(color_twist != (FPXColorTwistMatrix *) NULL);
572 color_twist->byy=(first.byy*second.byy)+(first.byc1*second.bc1y)+
573 (first.byc2*second.bc2y)+(first.dummy1_zero*second.dummy4_zero);
574 color_twist->byc1=(first.byy*second.byc1)+(first.byc1*second.bc1c1)+
575 (first.byc2*second.bc2c1)+(first.dummy1_zero*second.dummy5_zero);
576 color_twist->byc2=(first.byy*second.byc2)+(first.byc1*second.bc1c2)+
577 (first.byc2*second.bc2c2)+(first.dummy1_zero*second.dummy6_zero);
578 color_twist->dummy1_zero=(first.byy*second.dummy1_zero)+
579 (first.byc1*second.dummy2_zero)+(first.byc2*second.dummy3_zero)+
580 (first.dummy1_zero*second.dummy7_one);
581 color_twist->bc1y=(first.bc1y*second.byy)+(first.bc1c1*second.bc1y)+
582 (first.bc1c2*second.bc2y)+(first.dummy2_zero*second.dummy4_zero);
583 color_twist->bc1c1=(first.bc1y*second.byc1)+(first.bc1c1*second.bc1c1)+
584 (first.bc1c2*second.bc2c1)+(first.dummy2_zero*second.dummy5_zero);
585 color_twist->bc1c2=(first.bc1y*second.byc2)+(first.bc1c1*second.bc1c2)+
586 (first.bc1c2*second.bc2c2)+(first.dummy2_zero*second.dummy6_zero);
587 color_twist->dummy2_zero=(first.bc1y*second.dummy1_zero)+
588 (first.bc1c1*second.dummy2_zero)+(first.bc1c2*second.dummy3_zero)+
589 (first.dummy2_zero*second.dummy7_one);
590 color_twist->bc2y=(first.bc2y*second.byy)+(first.bc2c1*second.bc1y)+
591 (first.bc2c2*second.bc2y)+(first.dummy3_zero*second.dummy4_zero);
592 color_twist->bc2c1=(first.bc2y*second.byc1)+(first.bc2c1*second.bc1c1)+
593 (first.bc2c2*second.bc2c1)+(first.dummy3_zero*second.dummy5_zero);
594 color_twist->bc2c2=(first.bc2y*second.byc2)+(first.bc2c1*second.bc1c2)+
595 (first.bc2c2*second.bc2c2)+(first.dummy3_zero*second.dummy6_zero);
596 color_twist->dummy3_zero=(first.bc2y*second.dummy1_zero)+
597 (first.bc2c1*second.dummy2_zero)+(first.bc2c2*second.dummy3_zero)+
598 (first.dummy3_zero*second.dummy7_one);
599 color_twist->dummy4_zero=(first.dummy4_zero*second.byy)+
600 (first.dummy5_zero*second.bc1y)+(first.dummy6_zero*second.bc2y)+
601 (first.dummy7_one*second.dummy4_zero);
602 color_twist->dummy5_zero=(first.dummy4_zero*second.byc1)+
603 (first.dummy5_zero*second.bc1c1)+(first.dummy6_zero*second.bc2c1)+
604 (first.dummy7_one*second.dummy5_zero);
605 color_twist->dummy6_zero=(first.dummy4_zero*second.byc2)+
606 (first.dummy5_zero*second.bc1c2)+(first.dummy6_zero*second.bc2c2)+
607 (first.dummy7_one*second.dummy6_zero);
608 color_twist->dummy7_one=(first.dummy4_zero*second.dummy1_zero)+
609 (first.dummy5_zero*second.dummy2_zero)+
610 (first.dummy6_zero*second.dummy3_zero)+(first.dummy7_one*second.dummy7_one);
611 }
612
SetBrightness(double brightness,FPXColorTwistMatrix * color_twist)613 static void SetBrightness(double brightness,FPXColorTwistMatrix *color_twist)
614 {
615 FPXColorTwistMatrix
616 effect,
617 result;
618
619 /*
620 Set image brightness in color twist matrix.
621 */
622 assert(color_twist != (FPXColorTwistMatrix *) NULL);
623 brightness=sqrt((double) brightness);
624 effect.byy=brightness;
625 effect.byc1=0.0;
626 effect.byc2=0.0;
627 effect.dummy1_zero=0.0;
628 effect.bc1y=0.0;
629 effect.bc1c1=brightness;
630 effect.bc1c2=0.0;
631 effect.dummy2_zero=0.0;
632 effect.bc2y=0.0;
633 effect.bc2c1=0.0;
634 effect.bc2c2=brightness;
635 effect.dummy3_zero=0.0;
636 effect.dummy4_zero=0.0;
637 effect.dummy5_zero=0.0;
638 effect.dummy6_zero=0.0;
639 effect.dummy7_one=1.0;
640 ColorTwistMultiply(*color_twist,effect,&result);
641 *color_twist=result;
642 }
643
SetColorBalance(double red,double green,double blue,FPXColorTwistMatrix * color_twist)644 static void SetColorBalance(double red,double green,double blue,
645 FPXColorTwistMatrix *color_twist)
646 {
647 FPXColorTwistMatrix
648 blue_effect,
649 green_effect,
650 result,
651 rgb_effect,
652 rg_effect,
653 red_effect;
654
655 /*
656 Set image color balance in color twist matrix.
657 */
658 assert(color_twist != (FPXColorTwistMatrix *) NULL);
659 red=sqrt((double) red)-1.0;
660 green=sqrt((double) green)-1.0;
661 blue=sqrt((double) blue)-1.0;
662 red_effect.byy=1.0;
663 red_effect.byc1=0.0;
664 red_effect.byc2=0.299*red;
665 red_effect.dummy1_zero=0.0;
666 red_effect.bc1y=(-0.299)*red;
667 red_effect.bc1c1=1.0-0.299*red;
668 red_effect.bc1c2=(-0.299)*red;
669 red_effect.dummy2_zero=0.0;
670 red_effect.bc2y=0.701*red;
671 red_effect.bc2c1=0.0;
672 red_effect.bc2c2=1.0+0.402*red;
673 red_effect.dummy3_zero=0.0;
674 red_effect.dummy4_zero=0.0;
675 red_effect.dummy5_zero=0.0;
676 red_effect.dummy6_zero=0.0;
677 red_effect.dummy7_one=1.0;
678 green_effect.byy=1.0;
679 green_effect.byc1=(-0.114)*green;
680 green_effect.byc2=(-0.299)*green;
681 green_effect.dummy1_zero=0.0;
682 green_effect.bc1y=(-0.587)*green;
683 green_effect.bc1c1=1.0-0.473*green;
684 green_effect.bc1c2=0.299*green;
685 green_effect.dummy2_zero=0.0;
686 green_effect.bc2y=(-0.587)*green;
687 green_effect.bc2c1=0.114*green;
688 green_effect.bc2c2=1.0-0.288*green;
689 green_effect.dummy3_zero=0.0;
690 green_effect.dummy4_zero=0.0;
691 green_effect.dummy5_zero=0.0;
692 green_effect.dummy6_zero=0.0;
693 green_effect.dummy7_one=1.0;
694 blue_effect.byy=1.0;
695 blue_effect.byc1=0.114*blue;
696 blue_effect.byc2=0.0;
697 blue_effect.dummy1_zero=0.0;
698 blue_effect.bc1y=0.886*blue;
699 blue_effect.bc1c1=1.0+0.772*blue;
700 blue_effect.bc1c2=0.0;
701 blue_effect.dummy2_zero=0.0;
702 blue_effect.bc2y=(-0.114)*blue;
703 blue_effect.bc2c1=(-0.114)*blue;
704 blue_effect.bc2c2=1.0-0.114*blue;
705 blue_effect.dummy3_zero=0.0;
706 blue_effect.dummy4_zero=0.0;
707 blue_effect.dummy5_zero=0.0;
708 blue_effect.dummy6_zero=0.0;
709 blue_effect.dummy7_one=1.0;
710 ColorTwistMultiply(red_effect,green_effect,&rg_effect);
711 ColorTwistMultiply(rg_effect,blue_effect,&rgb_effect);
712 ColorTwistMultiply(*color_twist,rgb_effect,&result);
713 *color_twist=result;
714 }
715
SetSaturation(double saturation,FPXColorTwistMatrix * color_twist)716 static void SetSaturation(double saturation,FPXColorTwistMatrix *color_twist)
717 {
718 FPXColorTwistMatrix
719 effect,
720 result;
721
722 /*
723 Set image saturation in color twist matrix.
724 */
725 assert(color_twist != (FPXColorTwistMatrix *) NULL);
726 effect.byy=1.0;
727 effect.byc1=0.0;
728 effect.byc2=0.0;
729 effect.dummy1_zero=0.0;
730 effect.bc1y=0.0;
731 effect.bc1c1=saturation;
732 effect.bc1c2=0.0;
733 effect.dummy2_zero=0.0;
734 effect.bc2y=0.0;
735 effect.bc2c1=0.0;
736 effect.bc2c2=saturation;
737 effect.dummy3_zero=0.0;
738 effect.dummy4_zero=0.0;
739 effect.dummy5_zero=0.0;
740 effect.dummy6_zero=0.0;
741 effect.dummy7_one=1.0;
742 ColorTwistMultiply(*color_twist,effect,&result);
743 *color_twist=result;
744 }
745
WriteFPXImage(const ImageInfo * image_info,Image * image,ExceptionInfo * exception)746 static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image,
747 ExceptionInfo *exception)
748 {
749 FPXBackground
750 background_color;
751
752 FPXColorspace
753 colorspace =
754 {
755 TRUE, 4,
756 {
757 { NIFRGB_R, DATA_TYPE_UNSIGNED_BYTE },
758 { NIFRGB_G, DATA_TYPE_UNSIGNED_BYTE },
759 { NIFRGB_B, DATA_TYPE_UNSIGNED_BYTE },
760 { ALPHA, DATA_TYPE_UNSIGNED_BYTE }
761 }
762 };
763
764 const char
765 *comment,
766 *label,
767 *option;
768
769 FPXCompressionOption
770 compression;
771
772 FPXImageDesc
773 fpx_info;
774
775 FPXImageHandle
776 *flashpix;
777
778 FPXStatus
779 fpx_status;
780
781 FPXSummaryInformation
782 summary_info;
783
784 MagickBooleanType
785 status;
786
787 QuantumInfo
788 *quantum_info;
789
790 QuantumType
791 quantum_type;
792
793 const Quantum
794 *p;
795
796 ssize_t
797 i;
798
799 size_t
800 length,
801 memory_limit;
802
803 ssize_t
804 y;
805
806 unsigned char
807 *pixels;
808
809 unsigned int
810 tile_height,
811 tile_width;
812
813 /*
814 Open input file.
815 */
816 assert(image_info != (const ImageInfo *) NULL);
817 assert(image_info->signature == MagickCoreSignature);
818 assert(image != (Image *) NULL);
819 assert(image->signature == MagickCoreSignature);
820 if (image->debug != MagickFalse)
821 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
822 assert(exception != (ExceptionInfo *) NULL);
823 assert(exception->signature == MagickCoreSignature);
824 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
825 if (status == MagickFalse)
826 return(status);
827 (void) TransformImageColorspace(image,sRGBColorspace,exception);
828 (void) CloseBlob(image);
829 /*
830 Initialize FPX toolkit.
831 */
832 image->depth=8;
833 memory_limit=20000000;
834 fpx_status=FPX_SetToolkitMemoryLimit(&memory_limit);
835 if (fpx_status != FPX_OK)
836 ThrowWriterException(DelegateError,"UnableToInitializeFPXLibrary");
837 tile_width=64;
838 tile_height=64;
839 colorspace.numberOfComponents=3;
840 if (image->alpha_trait != UndefinedPixelTrait)
841 colorspace.numberOfComponents=4;
842 if ((image_info->type != TrueColorType) &&
843 (SetImageGray(image,exception) != MagickFalse))
844 {
845 colorspace.numberOfComponents=1;
846 colorspace.theComponents[0].myColor=MONOCHROME;
847 }
848 background_color.color1_value=0;
849 background_color.color2_value=0;
850 background_color.color3_value=0;
851 background_color.color4_value=0;
852 compression=NONE;
853 if (image->compression == JPEGCompression)
854 compression=JPEG_UNSPECIFIED;
855 if (image_info->compression == JPEGCompression)
856 compression=JPEG_UNSPECIFIED;
857 {
858 #if defined(macintosh)
859 FSSpec
860 fsspec;
861
862 FilenameToFSSpec(filename,&fsspec);
863 fpx_status=FPX_CreateImageByFilename((const FSSpec &) fsspec,image->columns,
864 #else
865 fpx_status=FPX_CreateImageByFilename(image->filename,image->columns,
866 #endif
867 image->rows,tile_width,tile_height,colorspace,background_color,
868 compression,&flashpix);
869 }
870 if (fpx_status != FPX_OK)
871 return(status);
872 if (compression == JPEG_UNSPECIFIED)
873 {
874 /*
875 Initialize the compression by quality for the entire image.
876 */
877 fpx_status=FPX_SetJPEGCompression(flashpix,(unsigned short)
878 image->quality == UndefinedCompressionQuality ? 75 : image->quality);
879 if (fpx_status != FPX_OK)
880 ThrowWriterException(DelegateError,"UnableToSetJPEGLevel");
881 }
882 /*
883 Set image summary info.
884 */
885 summary_info.title_valid=MagickFalse;
886 summary_info.subject_valid=MagickFalse;
887 summary_info.author_valid=MagickFalse;
888 summary_info.comments_valid=MagickFalse;
889 summary_info.keywords_valid=MagickFalse;
890 summary_info.OLEtemplate_valid=MagickFalse;
891 summary_info.last_author_valid=MagickFalse;
892 summary_info.rev_number_valid=MagickFalse;
893 summary_info.edit_time_valid=MagickFalse;
894 summary_info.last_printed_valid=MagickFalse;
895 summary_info.create_dtm_valid=MagickFalse;
896 summary_info.last_save_dtm_valid=MagickFalse;
897 summary_info.page_count_valid=MagickFalse;
898 summary_info.word_count_valid=MagickFalse;
899 summary_info.char_count_valid=MagickFalse;
900 summary_info.thumbnail_valid=MagickFalse;
901 summary_info.appname_valid=MagickFalse;
902 summary_info.security_valid=MagickFalse;
903 summary_info.title.ptr=(unsigned char *) NULL;
904 label=GetImageProperty(image,"label",exception);
905 if (label != (const char *) NULL)
906 {
907 /*
908 Note image label.
909 */
910 summary_info.title_valid=MagickTrue;
911 length=strlen(label);
912 summary_info.title.length=length;
913 if (~length >= (MagickPathExtent-1))
914 summary_info.title.ptr=(unsigned char *) AcquireQuantumMemory(
915 length+MagickPathExtent,sizeof(*summary_info.title.ptr));
916 if (summary_info.title.ptr == (unsigned char *) NULL)
917 ThrowWriterException(DelegateError,"UnableToSetImageTitle");
918 (void) CopyMagickString((char *) summary_info.title.ptr,label,
919 MagickPathExtent);
920 }
921 comment=GetImageProperty(image,"comment",exception);
922 if (comment != (const char *) NULL)
923 {
924 /*
925 Note image comment.
926 */
927 summary_info.comments_valid=MagickTrue;
928 summary_info.comments.ptr=(unsigned char *) AcquireString(comment);
929 summary_info.comments.length=strlen(comment);
930 }
931 fpx_status=FPX_SetSummaryInformation(flashpix,&summary_info);
932 if (fpx_status != FPX_OK)
933 ThrowWriterException(DelegateError,"UnableToSetSummaryInfo");
934 /*
935 Initialize FlashPix image description.
936 */
937 quantum_info=AcquireQuantumInfo(image_info,image);
938 if (quantum_info == (QuantumInfo *) NULL)
939 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
940 pixels=(unsigned char *) GetQuantumPixels(quantum_info);
941 fpx_info.numberOfComponents=colorspace.numberOfComponents;
942 for (i=0; i < (ssize_t) fpx_info.numberOfComponents; i++)
943 {
944 fpx_info.components[i].myColorType.myDataType=DATA_TYPE_UNSIGNED_BYTE;
945 fpx_info.components[i].horzSubSampFactor=1;
946 fpx_info.components[i].vertSubSampFactor=1;
947 fpx_info.components[i].columnStride=fpx_info.numberOfComponents;
948 fpx_info.components[i].lineStride=
949 image->columns*fpx_info.components[i].columnStride;
950 fpx_info.components[i].theData=pixels+i;
951 }
952 fpx_info.components[0].myColorType.myColor=fpx_info.numberOfComponents != 1 ?
953 NIFRGB_R : MONOCHROME;
954 fpx_info.components[1].myColorType.myColor=NIFRGB_G;
955 fpx_info.components[2].myColorType.myColor=NIFRGB_B;
956 fpx_info.components[3].myColorType.myColor=ALPHA;
957 /*
958 Write image pixels.
959 */
960 quantum_type=RGBQuantum;
961 if (image->alpha_trait != UndefinedPixelTrait)
962 quantum_type=RGBAQuantum;
963 if (fpx_info.numberOfComponents == 1)
964 quantum_type=GrayQuantum;
965 for (y=0; y < (ssize_t) image->rows; y++)
966 {
967 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
968 if (p == (const Quantum *) NULL)
969 break;
970 length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
971 quantum_type,pixels,exception);
972 fpx_status=FPX_WriteImageLine(flashpix,&fpx_info);
973 if (fpx_status != FPX_OK)
974 break;
975 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
976 image->rows);
977 if (status == MagickFalse)
978 break;
979 }
980 quantum_info=DestroyQuantumInfo(quantum_info);
981 option=GetImageOption(image_info,"fpx:view");
982 if (option != (const char *) NULL)
983 {
984 FPXAffineMatrix
985 affine;
986
987 FPXColorTwistMatrix
988 color_twist;
989
990 FPXContrastAdjustment
991 contrast;
992
993 FPXFilteringValue
994 sharpen;
995
996 FPXResultAspectRatio
997 aspect_ratio;
998
999 FPXROI
1000 view_rect;
1001
1002 MagickBooleanType
1003 affine_valid,
1004 aspect_ratio_valid,
1005 color_twist_valid,
1006 contrast_valid,
1007 sharpen_valid,
1008 view_rect_valid;
1009
1010 /*
1011 Initialize default viewing parameters.
1012 */
1013 contrast=1.0;
1014 contrast_valid=MagickTrue;
1015 color_twist.byy=1.0;
1016 color_twist.byc1=0.0;
1017 color_twist.byc2=0.0;
1018 color_twist.dummy1_zero=0.0;
1019 color_twist.bc1y=0.0;
1020 color_twist.bc1c1=1.0;
1021 color_twist.bc1c2=0.0;
1022 color_twist.dummy2_zero=0.0;
1023 color_twist.bc2y=0.0;
1024 color_twist.bc2c1=0.0;
1025 color_twist.bc2c2=1.0;
1026 color_twist.dummy3_zero=0.0;
1027 color_twist.dummy4_zero=0.0;
1028 color_twist.dummy5_zero=0.0;
1029 color_twist.dummy6_zero=0.0;
1030 color_twist.dummy7_one=1.0;
1031 color_twist_valid=MagickTrue;
1032 sharpen=0.0;
1033 sharpen_valid=MagickTrue;
1034 aspect_ratio=(double) image->columns/image->rows;
1035 aspect_ratio_valid=MagickTrue;
1036 view_rect.left=(float) 0.1;
1037 view_rect.width=aspect_ratio-0.2;
1038 view_rect.top=(float) 0.1;
1039 view_rect.height=(float) 0.8; /* 1.0-0.2 */
1040 view_rect_valid=MagickTrue;
1041 affine.a11=1.0;
1042 affine.a12=0.0;
1043 affine.a13=0.0;
1044 affine.a14=0.0;
1045 affine.a21=0.0;
1046 affine.a22=1.0;
1047 affine.a23=0.0;
1048 affine.a24=0.0;
1049 affine.a31=0.0;
1050 affine.a32=0.0;
1051 affine.a33=1.0;
1052 affine.a34=0.0;
1053 affine.a41=0.0;
1054 affine.a42=0.0;
1055 affine.a43=0.0;
1056 affine.a44=1.0;
1057 affine_valid=MagickTrue;
1058 if (0)
1059 {
1060 /*
1061 Color color twist.
1062 */
1063 SetBrightness(0.5,&color_twist);
1064 SetSaturation(0.5,&color_twist);
1065 SetColorBalance(0.5,1.0,1.0,&color_twist);
1066 color_twist_valid=MagickTrue;
1067 }
1068 if (affine_valid != MagickFalse)
1069 {
1070 fpx_status=FPX_SetImageAffineMatrix(flashpix,&affine);
1071 if (fpx_status != FPX_OK)
1072 ThrowWriterException(DelegateError,"UnableToSetAffineMatrix");
1073 }
1074 if (aspect_ratio_valid != MagickFalse)
1075 {
1076 fpx_status=FPX_SetImageResultAspectRatio(flashpix,&aspect_ratio);
1077 if (fpx_status != FPX_OK)
1078 ThrowWriterException(DelegateError,"UnableToSetAspectRatio");
1079 }
1080 if (color_twist_valid != MagickFalse)
1081 {
1082 fpx_status=FPX_SetImageColorTwistMatrix(flashpix,&color_twist);
1083 if (fpx_status != FPX_OK)
1084 ThrowWriterException(DelegateError,"UnableToSetColorTwist");
1085 }
1086 if (contrast_valid != MagickFalse)
1087 {
1088 fpx_status=FPX_SetImageContrastAdjustment(flashpix,&contrast);
1089 if (fpx_status != FPX_OK)
1090 ThrowWriterException(DelegateError,"UnableToSetContrast");
1091 }
1092 if (sharpen_valid != MagickFalse)
1093 {
1094 fpx_status=FPX_SetImageFilteringValue(flashpix,&sharpen);
1095 if (fpx_status != FPX_OK)
1096 ThrowWriterException(DelegateError,"UnableToSetFilteringValue");
1097 }
1098 if (view_rect_valid != MagickFalse)
1099 {
1100 fpx_status=FPX_SetImageROI(flashpix,&view_rect);
1101 if (fpx_status != FPX_OK)
1102 ThrowWriterException(DelegateError,"UnableToSetRegionOfInterest");
1103 }
1104 }
1105 (void) FPX_CloseImage(flashpix);
1106 FPX_ClearSystem();
1107 return(MagickTrue);
1108 }
1109 #endif
1110