2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Read/Write FlashPIX Image Format %
20 % Copyright 1999-2018 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % https://www.imagemagick.org/script/license.php %
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. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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)
80 #if defined(MAGICKCORE_FPX_DELEGATE)
84 static MagickBooleanType
85 WriteFPXImage(const ImageInfo *,Image *,ExceptionInfo *);
88 #if defined(MAGICKCORE_FPX_DELEGATE)
90 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
94 % R e a d F P X I m a g e %
98 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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.
104 % The format of the ReadFPXImage method is:
106 % Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
108 % A description of each parameter follows:
110 % o image_info: the image info.
112 % o exception: return any errors or warnings in this structure.
115 static Image *ReadFPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
123 FPXImageComponentDesc
138 FPXSummaryInformation
157 register unsigned char
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)
195 image=DestroyImageList(image);
196 return((Image *) NULL);
198 (void) CloseBlob(image);
200 Initialize FPX toolkit.
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)
210 ThrowReaderException(CoderError,"UnableToInitializeFPXLibrary");
214 flashpix=(FPXImageHandle *) NULL;
216 #if defined(macintosh)
220 FilenameToFSSpec(image->filename,&fsspec);
221 fpx_status=FPX_OpenImageByFilename((const FSSpec &) fsspec,(char *) NULL,
223 fpx_status=FPX_OpenImageByFilename(image->filename,(char *) NULL,
225 &width,&height,&tile_width,&tile_height,&colorspace,&flashpix);
227 if (fpx_status == FPX_LOW_MEMORY_ERROR)
230 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
232 if (fpx_status != FPX_OK)
235 ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
237 image=DestroyImageList(image);
238 return((Image *) NULL);
240 if (colorspace.numberOfComponents == 0)
243 ThrowReaderException(CorruptImageError,"ImageTypeNotSupported");
245 option=GetImageOption(image_info,"fpx:view");
246 if (option == (const char *) NULL)
252 Get the aspect ratio.
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))
261 fpx_status=FPX_GetSummaryInformation(flashpix,&summary_info);
262 if (fpx_status != FPX_OK)
265 ThrowReaderException(DelegateError,"UnableToReadSummaryInfo");
267 if (summary_info.title_valid)
268 if ((summary_info.title.length != 0) &&
269 (summary_info.title.ptr != (unsigned 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)
284 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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);
291 if (summary_info.comments_valid)
292 if ((summary_info.comments.length != 0) &&
293 (summary_info.comments.ptr != (unsigned char *) NULL))
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)
308 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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);
316 Determine resolution by scene specification.
319 if (((width >> i) < tile_width) || ((height >> i) < tile_height))
322 if (image_info->number_scenes != 0)
323 while (scene > image_info->scene)
329 if (image_info->size != (char *) NULL)
330 while ((width > image->columns) || (height > image->rows))
337 image->columns=width;
339 if ((colorspace.numberOfComponents % 2) == 0)
340 image->alpha_trait=BlendPixelTrait;
341 if (colorspace.numberOfComponents == 1)
344 Create linear colormap.
346 if (AcquireImageColormap(image,MaxColormapSize,exception) == MagickFalse)
349 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
352 if (image_info->ping != MagickFalse)
354 (void) FPX_CloseImage(flashpix);
356 return(GetFirstImageInList(image));
358 status=SetImageExtent(image,image->columns,image->rows,exception);
359 if (status == MagickFalse)
360 return(DestroyImageList(image));
362 Allocate memory for the image and pixel buffer.
364 pixels=(unsigned char *) AcquireQuantumMemory(image->columns,(tile_height+
365 1UL)*colorspace.numberOfComponents*sizeof(*pixels));
366 if (pixels == (unsigned char *) NULL)
369 (void) FPX_CloseImage(flashpix);
370 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
373 Initialize FlashPix image description.
375 fpx_info.numberOfComponents=colorspace.numberOfComponents;
376 for (i=0; i < 4; i++)
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;
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 ?
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);
398 Initialize image pixels.
400 for (y=0; y < (ssize_t) image->rows; y++)
402 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
403 if (q == (Quantum *) NULL)
405 if ((y % tile_height) == 0)
408 Read FPX image tile (with or without viewing affine)..
410 if (option != (const char *) NULL)
411 fpx_status=FPX_ReadImageRectangle(flashpix,0,y,image->columns,y+
412 tile_height-1,scene,&fpx_info);
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)
420 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
421 (void) FPX_CloseImage(flashpix);
423 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
427 Transfer a FPX pixels.
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++)
435 if (fpx_info.numberOfComponents > 2)
437 SetPixelRed(image,ScaleCharToQuantum(*r),q);
438 SetPixelGreen(image,ScaleCharToQuantum(*g),q);
439 SetPixelBlue(image,ScaleCharToQuantum(*b),q);
443 index=ScaleCharToQuantum(*r);
444 SetPixelBlack(image,index,q);
445 SetPixelRed(image,index,q);
446 SetPixelGreen(image,index,q);
447 SetPixelBlue(image,index,q);
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;
458 if (SyncAuthenticPixels(image,exception) == MagickFalse)
460 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
462 if (status == MagickFalse)
465 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
466 (void) FPX_CloseImage(flashpix);
468 return(GetFirstImageInList(image));
473 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
477 % R e g i s t e r F P X I m a g e %
481 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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.
490 % The format of the RegisterFPXImage method is:
492 % size_t RegisterFPXImage(void)
495 ModuleExport size_t RegisterFPXImage(void)
500 entry=AcquireMagickInfo("FPX","FPX","FlashPix Format");
501 #if defined(MAGICKCORE_FPX_DELEGATE)
502 entry->decoder=(DecodeImageHandler *) ReadFPXImage;
503 entry->encoder=(EncodeImageHandler *) WriteFPXImage;
505 entry->flags^=CoderAdjoinFlag;
506 entry->flags^=CoderBlobSupportFlag;
507 (void) RegisterMagickInfo(entry);
508 return(MagickImageCoderSignature);
512 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
516 % U n r e g i s t e r F P X I m a g e %
520 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
522 % UnregisterFPXImage() removes format registrations made by the
523 % FPX module from the list of supported formats.
525 % The format of the UnregisterFPXImage method is:
527 % UnregisterFPXImage(void)
530 ModuleExport void UnregisterFPXImage(void)
532 (void) UnregisterMagickInfo("FPX");
535 #if defined(MAGICKCORE_FPX_DELEGATE)
537 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
541 % W r i t e F P X I m a g e %
545 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
547 % WriteFPXImage() writes an image in the FlashPix image format. This
548 % method was contributed by BillR@corbis.com.
550 % The format of the WriteFPXImage method is:
552 % MagickBooleanType WriteFPXImage(const ImageInfo *image_info,
553 % Image *image,ExceptionInfo *exception)
555 % A description of each parameter follows.
557 % o image_info: the image info.
559 % o image: The image.
561 % o exception: return any errors or warnings in this structure.
565 static void ColorTwistMultiply(FPXColorTwistMatrix first,
566 FPXColorTwistMatrix second,FPXColorTwistMatrix *color_twist)
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);
613 static void SetBrightness(double brightness,FPXColorTwistMatrix *color_twist)
620 Set image brightness in color twist matrix.
622 assert(color_twist != (FPXColorTwistMatrix *) NULL);
623 brightness=sqrt((double) brightness);
624 effect.byy=brightness;
627 effect.dummy1_zero=0.0;
629 effect.bc1c1=brightness;
631 effect.dummy2_zero=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);
644 static void SetColorBalance(double red,double green,double blue,
645 FPXColorTwistMatrix *color_twist)
656 Set image color balance in color twist matrix.
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;
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;
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);
716 static void SetSaturation(double saturation,FPXColorTwistMatrix *color_twist)
723 Set image saturation in color twist matrix.
725 assert(color_twist != (FPXColorTwistMatrix *) NULL);
729 effect.dummy1_zero=0.0;
731 effect.bc1c1=saturation;
733 effect.dummy2_zero=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);
746 static MagickBooleanType WriteFPXImage(const ImageInfo *image_info,Image *image,
747 ExceptionInfo *exception)
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 }
781 FPXSummaryInformation
793 register const Quantum
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)
827 (void) TransformImageColorspace(image,sRGBColorspace,exception);
828 (void) CloseBlob(image);
830 Initialize FPX toolkit.
833 memory_limit=20000000;
834 fpx_status=FPX_SetToolkitMemoryLimit(&memory_limit);
835 if (fpx_status != FPX_OK)
836 ThrowWriterException(DelegateError,"UnableToInitializeFPXLibrary");
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))
845 colorspace.numberOfComponents=1;
846 colorspace.theComponents[0].myColor=MONOCHROME;
848 background_color.color1_value=0;
849 background_color.color2_value=0;
850 background_color.color3_value=0;
851 background_color.color4_value=0;
853 if (image->compression == JPEGCompression)
854 compression=JPEG_UNSPECIFIED;
855 if (image_info->compression == JPEGCompression)
856 compression=JPEG_UNSPECIFIED;
858 #if defined(macintosh)
862 FilenameToFSSpec(filename,&fsspec);
863 fpx_status=FPX_CreateImageByFilename((const FSSpec &) fsspec,image->columns,
865 fpx_status=FPX_CreateImageByFilename(image->filename,image->columns,
867 image->rows,tile_width,tile_height,colorspace,background_color,
868 compression,&flashpix);
870 if (fpx_status != FPX_OK)
872 if (compression == JPEG_UNSPECIFIED)
875 Initialize the compression by quality for the entire image.
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");
883 Set image summary info.
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)
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,
921 comment=GetImageProperty(image,"comment",exception);
922 if (comment != (const char *) NULL)
927 summary_info.comments_valid=MagickTrue;
928 summary_info.comments.ptr=(unsigned char *) AcquireString(comment);
929 summary_info.comments.length=strlen(comment);
931 fpx_status=FPX_SetSummaryInformation(flashpix,&summary_info);
932 if (fpx_status != FPX_OK)
933 ThrowWriterException(DelegateError,"UnableToSetSummaryInfo");
935 Initialize FlashPix image description.
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++)
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;
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;
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++)
967 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
968 if (p == (const Quantum *) NULL)
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)
975 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
977 if (status == MagickFalse)
980 quantum_info=DestroyQuantumInfo(quantum_info);
981 option=GetImageOption(image_info,"fpx:view");
982 if (option != (const char *) NULL)
990 FPXContrastAdjustment
1011 Initialize default viewing parameters.
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;
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;
1057 affine_valid=MagickTrue;
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;
1068 if (affine_valid != MagickFalse)
1070 fpx_status=FPX_SetImageAffineMatrix(flashpix,&affine);
1071 if (fpx_status != FPX_OK)
1072 ThrowWriterException(DelegateError,"UnableToSetAffineMatrix");
1074 if (aspect_ratio_valid != MagickFalse)
1076 fpx_status=FPX_SetImageResultAspectRatio(flashpix,&aspect_ratio);
1077 if (fpx_status != FPX_OK)
1078 ThrowWriterException(DelegateError,"UnableToSetAspectRatio");
1080 if (color_twist_valid != MagickFalse)
1082 fpx_status=FPX_SetImageColorTwistMatrix(flashpix,&color_twist);
1083 if (fpx_status != FPX_OK)
1084 ThrowWriterException(DelegateError,"UnableToSetColorTwist");
1086 if (contrast_valid != MagickFalse)
1088 fpx_status=FPX_SetImageContrastAdjustment(flashpix,&contrast);
1089 if (fpx_status != FPX_OK)
1090 ThrowWriterException(DelegateError,"UnableToSetContrast");
1092 if (sharpen_valid != MagickFalse)
1094 fpx_status=FPX_SetImageFilteringValue(flashpix,&sharpen);
1095 if (fpx_status != FPX_OK)
1096 ThrowWriterException(DelegateError,"UnableToSetFilteringValue");
1098 if (view_rect_valid != MagickFalse)
1100 fpx_status=FPX_SetImageROI(flashpix,&view_rect);
1101 if (fpx_status != FPX_OK)
1102 ThrowWriterException(DelegateError,"UnableToSetRegionOfInterest");
1105 (void) FPX_CloseImage(flashpix);