2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Read/Write Adobe Photoshop Image Format %
21 % Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization %
22 % dedicated to making software imaging solutions freely available. %
24 % You may not use this file except in compliance with the License. You may %
25 % obtain a copy of the License at %
27 % http://www.imagemagick.org/script/license.php %
29 % Unless required by applicable law or agreed to in writing, software %
30 % distributed under the License is distributed on an "AS IS" BASIS, %
31 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
32 % See the License for the specific language governing permissions and %
33 % limitations under the License. %
35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
43 #include "MagickCore/studio.h"
44 #include "MagickCore/artifact.h"
45 #include "MagickCore/attribute.h"
46 #include "MagickCore/blob.h"
47 #include "MagickCore/blob-private.h"
48 #include "MagickCore/cache.h"
49 #include "MagickCore/colormap.h"
50 #include "MagickCore/colorspace.h"
51 #include "MagickCore/colorspace-private.h"
52 #include "MagickCore/constitute.h"
53 #include "MagickCore/enhance.h"
54 #include "MagickCore/exception.h"
55 #include "MagickCore/exception-private.h"
56 #include "MagickCore/image.h"
57 #include "MagickCore/image-private.h"
58 #include "MagickCore/list.h"
59 #include "MagickCore/log.h"
60 #include "MagickCore/magick.h"
61 #include "MagickCore/memory_.h"
62 #include "MagickCore/module.h"
63 #include "MagickCore/monitor-private.h"
64 #include "MagickCore/pixel.h"
65 #include "MagickCore/pixel-accessor.h"
66 #include "MagickCore/profile.h"
67 #include "MagickCore/property.h"
68 #include "MagickCore/quantum-private.h"
69 #include "MagickCore/static.h"
70 #include "MagickCore/string_.h"
75 #define MaxPSDChannels 56
76 #define PSDQuantum(x) (((ssize_t) (x)+1) & -2)
79 Enumerated declaractions.
94 Typedef declaractions.
96 typedef struct _ChannelInfo
105 typedef struct _LayerInfo
115 channel_info[MaxPSDChannels];
139 typedef struct _PSDInfo
162 Forward declarations.
164 static MagickBooleanType
165 WritePSDImage(const ImageInfo *,Image *,ExceptionInfo *);
168 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
176 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
178 % IsPSD()() returns MagickTrue if the image format type, identified by the
179 % magick string, is PSD.
181 % The format of the IsPSD method is:
183 % MagickBooleanType IsPSD(const unsigned char *magick,const size_t length)
185 % A description of each parameter follows:
187 % o magick: compare image format pattern against these bytes.
189 % o length: Specifies the length of the magick string.
192 static MagickBooleanType IsPSD(const unsigned char *magick,const size_t length)
196 if (LocaleNCompare((const char *) magick,"8BPS",4) == 0)
202 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
206 % R e a d P S D I m a g e %
210 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
212 % ReadPSDImage() reads an Adobe Photoshop image file and returns it. It
213 % allocates the memory necessary for the new Image structure and returns a
214 % pointer to the new image.
216 % The format of the ReadPSDImage method is:
218 % Image *ReadPSDImage(image_info)
220 % A description of each parameter follows:
222 % o image_info: the image info.
224 % o exception: return any errors or warnings in this structure.
228 static const char *CompositeOperatorToPSDBlendMode(CompositeOperator op)
235 case OverCompositeOp: blend_mode = "norm"; break;
236 case MultiplyCompositeOp: blend_mode = "mul "; break;
237 case DissolveCompositeOp: blend_mode = "diss"; break;
238 case DifferenceCompositeOp: blend_mode = "diff"; break;
239 case DarkenCompositeOp: blend_mode = "dark"; break;
240 case LightenCompositeOp: blend_mode = "lite"; break;
241 case HueCompositeOp: blend_mode = "hue "; break;
242 case SaturateCompositeOp: blend_mode = "sat "; break;
243 case ColorizeCompositeOp: blend_mode = "colr"; break;
244 case LuminizeCompositeOp: blend_mode = "lum "; break;
245 case ScreenCompositeOp: blend_mode = "scrn"; break;
246 case OverlayCompositeOp: blend_mode = "over"; break;
253 static ssize_t DecodePSDPixels(const size_t number_compact_pixels,
254 const unsigned char *compact_pixels,const ssize_t depth,
255 const size_t number_pixels,unsigned char *pixels)
270 packets=(ssize_t) number_compact_pixels;
271 for (i=0; (packets > 1) && (i < (ssize_t) number_pixels); )
273 length=(*compact_pixels++);
280 pixel=(*compact_pixels++);
282 for (j=0; j < (ssize_t) length; j++)
288 *pixels++=(pixel >> 7) & 0x01 ? 0U : 255U;
289 *pixels++=(pixel >> 6) & 0x01 ? 0U : 255U;
290 *pixels++=(pixel >> 5) & 0x01 ? 0U : 255U;
291 *pixels++=(pixel >> 4) & 0x01 ? 0U : 255U;
292 *pixels++=(pixel >> 3) & 0x01 ? 0U : 255U;
293 *pixels++=(pixel >> 2) & 0x01 ? 0U : 255U;
294 *pixels++=(pixel >> 1) & 0x01 ? 0U : 255U;
295 *pixels++=(pixel >> 0) & 0x01 ? 0U : 255U;
301 *pixels++=(unsigned char) ((pixel >> 4) & 0xff);
302 *pixels++=(unsigned char) ((pixel & 0x0f) & 0xff);
308 *pixels++=(unsigned char) ((pixel >> 6) & 0x03);
309 *pixels++=(unsigned char) ((pixel >> 4) & 0x03);
310 *pixels++=(unsigned char) ((pixel >> 2) & 0x03);
311 *pixels++=(unsigned char) ((pixel & 0x03) & 0x03);
317 *pixels++=(unsigned char) pixel;
326 for (j=0; j < (ssize_t) length; j++)
332 *pixels++=(*compact_pixels >> 7) & 0x01 ? 0U : 255U;
333 *pixels++=(*compact_pixels >> 6) & 0x01 ? 0U : 255U;
334 *pixels++=(*compact_pixels >> 5) & 0x01 ? 0U : 255U;
335 *pixels++=(*compact_pixels >> 4) & 0x01 ? 0U : 255U;
336 *pixels++=(*compact_pixels >> 3) & 0x01 ? 0U : 255U;
337 *pixels++=(*compact_pixels >> 2) & 0x01 ? 0U : 255U;
338 *pixels++=(*compact_pixels >> 1) & 0x01 ? 0U : 255U;
339 *pixels++=(*compact_pixels >> 0) & 0x01 ? 0U : 255U;
345 *pixels++=(*compact_pixels >> 4) & 0xff;
346 *pixels++=(*compact_pixels & 0x0f) & 0xff;
352 *pixels++=(*compact_pixels >> 6) & 0x03;
353 *pixels++=(*compact_pixels >> 4) & 0x03;
354 *pixels++=(*compact_pixels >> 2) & 0x03;
355 *pixels++=(*compact_pixels & 0x03) & 0x03;
361 *pixels++=(*compact_pixels);
372 static inline MagickOffsetType GetPSDOffset(PSDInfo *psd_info,Image *image)
374 if (psd_info->version == 1)
375 return((MagickOffsetType) ReadBlobMSBShort(image));
376 return((MagickOffsetType) ReadBlobMSBLong(image));
379 static inline MagickSizeType GetPSDSize(PSDInfo *psd_info,Image *image)
381 if (psd_info->version == 1)
382 return((MagickSizeType) ReadBlobMSBLong(image));
383 return((MagickSizeType) ReadBlobMSBLongLong(image));
386 static inline ssize_t MagickAbsoluteValue(const ssize_t x)
393 static const char *ModeToString(PSDImageType type)
397 case BitmapMode: return "Bitmap";
398 case GrayscaleMode: return "Grayscale";
399 case IndexedMode: return "Indexed";
400 case RGBMode: return "RGB";
401 case CMYKMode: return "CMYK";
402 case MultichannelMode: return "Multichannel";
403 case DuotoneMode: return "Duotone";
404 case LabMode: return "L*A*B";
405 default: return "unknown";
409 static MagickBooleanType ParseImageResourceBlocks(Image *image,
410 const unsigned char *blocks,size_t length,ExceptionInfo *exception)
428 profile=BlobToStringInfo((const void *) NULL,length);
429 SetStringInfoDatum(profile,blocks);
430 (void) SetImageProfile(image,"8bim",profile,exception);
431 profile=DestroyStringInfo(profile);
432 for (p=blocks; (p >= blocks) && (p < (blocks+length-16)); )
434 if (LocaleNCompare((const char *) p,"8BIM",4) != 0)
436 p=PushLongPixel(MSBEndian,p,&long_sans);
437 p=PushShortPixel(MSBEndian,p,&id);
438 p=PushShortPixel(MSBEndian,p,&short_sans);
439 p=PushLongPixel(MSBEndian,p,&count);
445 value[MaxTextExtent];
453 p=PushShortPixel(MSBEndian,p,&resolution);
454 image->resolution.x=(double) resolution;
455 (void) FormatLocaleString(value,MaxTextExtent,"%g",image->resolution.x);
456 (void) SetImageProperty(image,"tiff:XResolution",value,exception);
457 p=PushShortPixel(MSBEndian,p,&short_sans);
458 p=PushShortPixel(MSBEndian,p,&short_sans);
459 p=PushShortPixel(MSBEndian,p,&short_sans);
460 p=PushShortPixel(MSBEndian,p,&resolution);
461 image->resolution.y=(double) resolution;
462 (void) FormatLocaleString(value,MaxTextExtent,"%g",image->resolution.y);
463 (void) SetImageProperty(image,"tiff:YResolution",value,exception);
464 p=PushShortPixel(MSBEndian,p,&short_sans);
465 p=PushShortPixel(MSBEndian,p,&short_sans);
466 p=PushShortPixel(MSBEndian,p,&short_sans);
475 if ((count & 0x01) != 0)
481 static CompositeOperator PSDBlendModeToCompositeOperator(const char *mode)
483 if (mode == (const char *) NULL)
484 return(OverCompositeOp);
485 if (LocaleNCompare(mode,"norm",4) == 0)
486 return(OverCompositeOp);
487 if (LocaleNCompare(mode,"mul ",4) == 0)
488 return(MultiplyCompositeOp);
489 if (LocaleNCompare(mode,"diss",4) == 0)
490 return(DissolveCompositeOp);
491 if (LocaleNCompare(mode,"diff",4) == 0)
492 return(DifferenceCompositeOp);
493 if (LocaleNCompare(mode,"dark",4) == 0)
494 return(DarkenCompositeOp);
495 if (LocaleNCompare(mode,"lite",4) == 0)
496 return(LightenCompositeOp);
497 if (LocaleNCompare(mode,"hue ",4) == 0)
498 return(HueCompositeOp);
499 if (LocaleNCompare(mode,"sat ",4) == 0)
500 return(SaturateCompositeOp);
501 if (LocaleNCompare(mode,"colr",4) == 0)
502 return(ColorizeCompositeOp);
503 if (LocaleNCompare(mode,"lum ",4) == 0)
504 return(LuminizeCompositeOp);
505 if (LocaleNCompare(mode,"scrn",4) == 0)
506 return(ScreenCompositeOp);
507 if (LocaleNCompare(mode,"over",4) == 0)
508 return(OverlayCompositeOp);
509 if (LocaleNCompare(mode,"hLit",4) == 0)
510 return(OverCompositeOp);
511 if (LocaleNCompare(mode,"sLit",4) == 0)
512 return(OverCompositeOp);
513 if (LocaleNCompare(mode,"smud",4) == 0)
514 return(OverCompositeOp);
515 if (LocaleNCompare(mode,"div ",4) == 0)
516 return(OverCompositeOp);
517 if (LocaleNCompare(mode,"idiv",4) == 0)
518 return(OverCompositeOp);
519 return(OverCompositeOp);
522 static MagickBooleanType ReadPSDLayer(Image *image,const size_t channels,
523 const ssize_t type,const MagickOffsetType *offsets,ExceptionInfo *exception)
531 register const unsigned char
555 if (image->storage_class == PseudoClass)
557 if (image->colors > 256)
560 if (image->depth > 8)
564 if (image->depth > 8)
566 pixels=(unsigned char *) AcquireQuantumMemory(image->columns+256,packet_size*
568 if (pixels == (unsigned char *) NULL)
569 ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
571 (void) ResetMagickMemory(pixels,0,image->columns*packet_size*sizeof(*pixels));
572 compact_pixels=(unsigned char *) NULL;
573 if (image->compression == RLECompression)
579 for (y=0; y < (ssize_t) image->rows; y++)
580 if ((MagickOffsetType) length < offsets[y])
581 length=(size_t) offsets[y];
582 compact_pixels=(unsigned char *) AcquireQuantumMemory(length,
584 if (compact_pixels == (unsigned char *) NULL)
585 ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
587 (void) ResetMagickMemory(compact_pixels,0,length*sizeof(*compact_pixels));
589 colorspace=image->colorspace;
590 for (y=0; y < (ssize_t) image->rows; y++)
592 if (image->depth == 1)
594 if (image->compression != RLECompression)
595 count=ReadBlob(image,(image->columns+7)/8,pixels);
598 count=ReadBlob(image,(size_t) offsets[y],compact_pixels);
599 if (count != (ssize_t) offsets[y])
601 count=DecodePSDPixels((size_t) offsets[y],compact_pixels,
602 (ssize_t) 123456,(size_t) ((image->columns+7)/8),pixels);
604 if (count < (ssize_t) ((image->columns+7)/8))
609 if (image->compression != RLECompression)
610 count=ReadBlob(image,packet_size*image->columns,pixels);
613 count=ReadBlob(image,(size_t) offsets[y],compact_pixels);
614 if (count != (ssize_t) offsets[y])
616 count=DecodePSDPixels((size_t) offsets[y],compact_pixels,
617 (ssize_t) image->depth,packet_size*image->columns,pixels);
619 if (count < (ssize_t) (packet_size*image->columns))
622 q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
623 if (q == (Quantum *) NULL)
626 for (x=0; x < (ssize_t) image->columns; x++)
628 if (packet_size == 1)
629 pixel=ScaleCharToQuantum(*p++);
632 p=PushShortPixel(MSBEndian,p,&nibble);
633 pixel=ScaleShortToQuantum(nibble);
639 SetPixelAlpha(image,pixel,q);
644 SetPixelRed(image,pixel,q);
646 SetPixelGray(image,pixel,q);
648 SetPixelRed(image,pixel,q);
649 if (image->storage_class == PseudoClass)
651 if (packet_size == 1)
652 SetPixelIndex(image,ScaleQuantumToChar(pixel),q);
654 SetPixelIndex(image,ScaleQuantumToShort(pixel),q);
655 SetPixelInfoPixel(image,image->colormap+(ssize_t)
656 GetPixelIndex(image,q),q);
657 if (image->depth == 1)
663 number_bits=image->columns-x;
666 for (bit=0; bit < number_bits; bit++)
668 SetPixelIndex(image,(((unsigned char) pixel) &
669 (0x01 << (7-bit))) != 0 ? 0 : 255,q);
670 SetPixelInfoPixel(image,image->colormap+(ssize_t)
671 GetPixelIndex(image,q),q);
672 q+=GetPixelChannels(image);
681 if (image->storage_class == PseudoClass)
682 SetPixelAlpha(image,pixel,q);
684 SetPixelGreen(image,pixel,q);
689 if (image->storage_class == PseudoClass)
690 SetPixelAlpha(image,pixel,q);
692 SetPixelBlue(image,pixel,q);
697 if (image->colorspace == CMYKColorspace)
698 SetPixelBlack(image,pixel,q);
700 if (image->matte != MagickFalse)
701 SetPixelAlpha(image,pixel,q);
706 if ((IssRGBColorspace(image->colorspace) == MagickTrue) &&
709 if (image->matte != MagickFalse)
710 SetPixelAlpha(image,pixel,q);
716 q+=GetPixelChannels(image);
718 if (SyncAuthenticPixels(image,exception) == MagickFalse)
721 image->colorspace=colorspace;
722 if (image->compression == RLECompression)
723 compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
724 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
728 static Image *ReadPSDImage(const ImageInfo *image_info,ExceptionInfo *exception)
731 message[MaxTextExtent],
765 skip_first_alpha = 0;
782 assert(image_info != (const ImageInfo *) NULL);
783 assert(image_info->signature == MagickSignature);
784 if (image_info->debug != MagickFalse)
785 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
786 image_info->filename);
787 assert(exception != (ExceptionInfo *) NULL);
788 assert(exception->signature == MagickSignature);
789 image=AcquireImage(image_info,exception);
790 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
791 if (status == MagickFalse)
793 image=DestroyImageList(image);
794 return((Image *) NULL);
799 count=ReadBlob(image,4,(unsigned char *) psd_info.signature);
800 psd_info.version=ReadBlobMSBShort(image);
801 if ((count == 0) || (LocaleNCompare(psd_info.signature,"8BPS",4) != 0) ||
802 ((psd_info.version != 1) && (psd_info.version != 2)))
803 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
804 count=ReadBlob(image,6,psd_info.reserved);
805 psd_info.channels=ReadBlobMSBShort(image);
806 psd_info.color_channels=psd_info.channels;
807 if (psd_info.channels > MaxPSDChannels)
808 ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded");
809 psd_info.rows=ReadBlobMSBLong(image);
810 psd_info.columns=ReadBlobMSBLong(image);
811 if ((psd_info.version == 1) && ((psd_info.rows > 30000) ||
812 (psd_info.columns > 30000)))
813 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
814 psd_info.depth=ReadBlobMSBShort(image);
815 if ((psd_info.depth != 1) && (psd_info.depth != 8) && (psd_info.depth != 16))
816 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
817 psd_info.mode=ReadBlobMSBShort(image);
818 if (image->debug != MagickFalse)
819 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
820 " Image is %.20g x %.20g with channels=%.20g, depth=%.20g, mode=%s",
821 (double) psd_info.columns,(double) psd_info.rows,(double)
822 psd_info.channels,(double) psd_info.depth,ModeToString((PSDImageType)
827 image->depth=psd_info.depth;
828 image->columns=psd_info.columns;
829 image->rows=psd_info.rows;
830 if (SetImageBackgroundColor(image,exception) == MagickFalse)
832 image=DestroyImageList(image);
833 return((Image *) NULL);
835 image->matte=psd_info.channels >= 4 ? MagickTrue : MagickFalse;
836 if (psd_info.mode == LabMode)
837 SetImageColorspace(image,LabColorspace,exception);
838 psd_info.color_channels=3;
839 if (psd_info.mode == CMYKMode)
841 psd_info.color_channels=4;
842 SetImageColorspace(image,CMYKColorspace,exception);
843 image->matte=psd_info.channels >= 5 ? MagickTrue : MagickFalse;
845 if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) ||
846 (psd_info.mode == DuotoneMode))
848 psd_info.color_channels=1;
849 if (AcquireImageColormap(image,256,exception) == MagickFalse)
850 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
851 image->matte=psd_info.channels >= 2 ? MagickTrue : MagickFalse;
852 if (image->debug != MagickFalse)
853 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
854 " Image colormap allocated");
855 SetImageColorspace(image,GRAYColorspace,exception);
857 image->matte=MagickFalse;
859 Read PSD raster colormap only present for indexed and duotone images.
861 length=ReadBlobMSBLong(image);
864 if (image->debug != MagickFalse)
865 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
866 " reading colormap");
867 if (psd_info.mode == DuotoneMode)
870 Duotone image data; the format of this data is undocumented.
872 data=(unsigned char *) AcquireQuantumMemory((size_t) length,
874 if (data == (unsigned char *) NULL)
875 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
876 count=ReadBlob(image,(size_t) length,data);
877 data=(unsigned char *) RelinquishMagickMemory(data);
882 Read PSD raster colormap.
884 if (AcquireImageColormap(image,(size_t) (length/3),exception) == MagickFalse)
885 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
886 for (i=0; i < (ssize_t) image->colors; i++)
887 image->colormap[i].red=ScaleCharToQuantum((unsigned char)
888 ReadBlobByte(image));
889 for (i=0; i < (ssize_t) image->colors; i++)
890 image->colormap[i].green=ScaleCharToQuantum((unsigned char)
891 ReadBlobByte(image));
892 for (i=0; i < (ssize_t) image->colors; i++)
893 image->colormap[i].blue=ScaleCharToQuantum((unsigned char)
894 ReadBlobByte(image));
895 image->matte=MagickFalse;
898 length=ReadBlobMSBLong(image);
905 Image resources block.
907 if (image->debug != MagickFalse)
908 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
909 " reading image resource blocks - %.20g bytes",(double)
910 ((MagickOffsetType) length));
911 blocks=(unsigned char *) AcquireQuantumMemory((size_t) length,
913 if (blocks == (unsigned char *) NULL)
914 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
915 count=ReadBlob(image,(size_t) length,blocks);
916 if ((count != (ssize_t) length) ||
917 (LocaleNCompare((char *) blocks,"8BIM",4) != 0))
919 blocks=(unsigned char *) RelinquishMagickMemory(blocks);
920 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
922 (void) ParseImageResourceBlocks(image,blocks,(size_t) length,
924 blocks=(unsigned char *) RelinquishMagickMemory(blocks);
927 Layer and mask block.
929 layer_info=(LayerInfo *) NULL;
931 length=GetPSDSize(&psd_info,image);
934 length=ReadBlobMSBLong(image);
935 length=ReadBlobMSBLong(image);
937 check_background=MagickFalse;
938 if ((image_info->number_scenes == 1) && (image_info->scene == 0))
940 if (image->debug != MagickFalse)
941 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
942 " read composite only");
943 check_background=MagickTrue;
947 if (image->debug != MagickFalse)
948 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
949 " image has no layers");
953 offset=TellBlob(image);
954 size=GetPSDSize(&psd_info,image);
966 quantum=psd_info.version == 1 ? 4UL : 8UL;
967 tag=ReadBlobMSBLong(image);
969 count=ReadBlob(image,4,(unsigned char *) type);
970 if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0))
972 if (DiscardBlobBytes(image,length-quantum-8) == MagickFalse)
973 ThrowFileException(exception,CorruptImageError,
974 "UnexpectedEndOfFile",image->filename);
978 count=ReadBlob(image,4,(unsigned char *) type);
979 if ((count != 0) && (LocaleNCompare(type,"Lr16",4) == 0))
980 size=GetPSDSize(&psd_info,image);
982 if (DiscardBlobBytes(image,length-quantum-12) == MagickFalse)
983 ThrowFileException(exception,CorruptImageError,
984 "UnexpectedEndOfFile",image->filename);
992 image->matte=psd_info.channels > psd_info.color_channels ? MagickTrue : MagickFalse;
994 if (image->debug != MagickFalse)
995 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
996 image->matte ? " image has matte" : " image has no matte");
998 layer_offset=offset+length;
999 number_layers=(short) ReadBlobMSBShort(image);
1000 if (image->debug != MagickFalse)
1001 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1002 " image contains %.20g layers",(double) number_layers);
1003 if (number_layers < 0)
1006 Weird hack in PSD format to ignore first alpha channel.
1009 (void) skip_first_alpha;
1010 number_layers=MagickAbsoluteValue(number_layers);
1011 if (image->debug != MagickFalse)
1012 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1013 " negative layer count corrected for");
1015 layer_info=(LayerInfo *) AcquireQuantumMemory((size_t) number_layers,
1016 sizeof(*layer_info));
1017 if (layer_info == (LayerInfo *) NULL)
1019 if (image->debug != MagickFalse)
1020 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1021 " allocation of LayerInfo failed");
1022 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1024 (void) ResetMagickMemory(layer_info,0,(size_t) number_layers*
1025 sizeof(*layer_info));
1026 for (i=0; i < number_layers; i++)
1032 if (image->debug != MagickFalse)
1033 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1034 " reading layer #%.20g",(double) i+1);
1035 layer_info[i].page.y=(int) ReadBlobMSBLong(image);
1036 layer_info[i].page.x=(int) ReadBlobMSBLong(image);
1037 y=(int) ReadBlobMSBLong(image);
1038 x=(int) ReadBlobMSBLong(image);
1039 layer_info[i].page.width=(ssize_t) (x-layer_info[i].page.x);
1040 layer_info[i].page.height=(ssize_t) (y-layer_info[i].page.y);
1041 layer_info[i].channels=ReadBlobMSBShort(image);
1042 if (check_background == MagickTrue)
1047 if (layer_info[i].channels == psd_info.color_channels)
1048 image->matte=MagickFalse;
1049 quantum=psd_info.version == 1 ? 4UL : 8UL;
1050 if (DiscardBlobBytes(image,length-20-quantum) == MagickFalse)
1051 ThrowFileException(exception,CorruptImageError,
1052 "UnexpectedEndOfFile",image->filename);
1055 if (layer_info[i].channels > MaxPSDChannels)
1056 ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded");
1057 if (image->debug != MagickFalse)
1058 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1059 " offset(%.20g,%.20g), size(%.20g,%.20g), channels=%.20g",
1060 (double) layer_info[i].page.x,(double) layer_info[i].page.y,
1061 (double) layer_info[i].page.height,(double)
1062 layer_info[i].page.width,(double) layer_info[i].channels);
1063 for (j=0; j < (ssize_t) layer_info[i].channels; j++)
1065 layer_info[i].channel_info[j].type=(short)
1066 ReadBlobMSBShort(image);
1067 layer_info[i].channel_info[j].size=(size_t)
1068 GetPSDSize(&psd_info,image);
1069 if (image->debug != MagickFalse)
1070 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1071 " channel[%.20g]: type=%.20g, size=%.20g",(double) j,
1072 (double) layer_info[i].channel_info[j].type,
1073 (double) layer_info[i].channel_info[j].size);
1075 count=ReadBlob(image,4,(unsigned char *) type);
1076 if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0))
1078 if (image->debug != MagickFalse)
1079 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1080 " layer type was %.4s instead of 8BIM", type);
1081 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1083 count=ReadBlob(image,4,(unsigned char *) layer_info[i].blendkey);
1084 layer_info[i].opacity=(Quantum) ScaleCharToQuantum((unsigned char)
1085 ReadBlobByte(image));
1086 layer_info[i].clipping=(unsigned char) ReadBlobByte(image);
1087 layer_info[i].flags=(unsigned char) ReadBlobByte(image);
1088 layer_info[i].visible=!(layer_info[i].flags & 0x02);
1089 if (image->debug != MagickFalse)
1090 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1091 " blend=%.4s, opacity=%.20g, clipping=%s, flags=%d, visible=%s",
1092 layer_info[i].blendkey,(double) layer_info[i].opacity,
1093 layer_info[i].clipping ? "true" : "false",layer_info[i].flags,
1094 layer_info[i].visible ? "true" : "false");
1095 (void) ReadBlobByte(image); /* filler */
1097 size=ReadBlobMSBLong(image);
1100 if (image->debug != MagickFalse)
1101 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1102 " layer contains additional info");
1103 length=ReadBlobMSBLong(image);
1109 layer_info[i].mask.y=(int) ReadBlobMSBLong(image);
1110 layer_info[i].mask.x=(int) ReadBlobMSBLong(image);
1111 layer_info[i].mask.height=(size_t)
1112 (ReadBlobMSBLong(image)-layer_info[i].mask.y);
1113 layer_info[i].mask.width=(size_t)
1114 (ReadBlobMSBLong(image)-layer_info[i].mask.x);
1115 if (image->debug != MagickFalse)
1116 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1117 " layer mask: offset(%.20g,%.20g), size(%.20g,%.20g), length=%.20g",
1118 (double) layer_info[i].mask.x,(double) layer_info[i].mask.y,
1119 (double) layer_info[i].mask.width,(double)
1120 layer_info[i].mask.height,(double)
1121 ((MagickOffsetType) length-16));
1123 Skip over the rest of the layer mask information.
1125 if (DiscardBlobBytes(image,length-16) == MagickFalse)
1126 ThrowFileException(exception,CorruptImageError,
1127 "UnexpectedEndOfFile",image->filename);
1129 combinedlength+=length+4; /* +4 for length */
1130 length=ReadBlobMSBLong(image);
1134 Layer blending ranges info.
1136 if (image->debug != MagickFalse)
1137 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1138 " layer blending ranges: length=%.20g",(double)
1139 ((MagickOffsetType) length));
1141 We read it, but don't use it...
1143 for (j=0; j < (ssize_t) (length); j+=8)
1145 size_t blend_source=ReadBlobMSBLong(image);
1146 size_t blend_dest=ReadBlobMSBLong(image);
1147 if (image->debug != MagickFalse)
1148 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1149 " source(%x), dest(%x)",(unsigned int)
1150 blend_source,(unsigned int) blend_dest);
1153 combinedlength+=length+4;
1157 length=(size_t) ReadBlobByte(image);
1158 for (j=0; j < (ssize_t) length; j++)
1159 layer_info[i].name[j]=(unsigned char) ReadBlobByte(image);
1160 layer_info[i].name[j]='\0';
1161 if (image->debug != MagickFalse)
1162 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1163 " layer name: %s",layer_info[i].name);
1164 combinedlength+=length+1;
1166 #if 0 /* still in development */
1168 Adjustment layers and other stuff...
1171 char alsig[4], alkey[4];
1173 count=ReadBlob(image,4,alsig);
1174 if ((count == 0) || (LocaleNCompare(alsig,"8BIM",4) != 0)) {
1175 if (debug != MagickFalse)
1177 if (image->debug != MagickFalse)
1178 (void) LogMagickEvent(CoderEvent,GetMagickModule()," adjustment layer type was %.4s instead of 8BIM", alsig);
1180 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1182 count=ReadBlob(image,4,alkey);
1183 length=ReadBlobMSBLong(image);
1184 if (debug != MagickFalse)
1186 if (image->debug != MagickFalse)
1187 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1188 " adjustment layer key: %.4s, data length=%.20g",
1189 alkey, (double) length);
1193 for (j=0; j < (ssize_t) (length); j++)
1194 (void) ReadBlobByte(image);
1198 combinedlength += 12 + length; /* sig, key, length + the actual length*/
1202 Skip the rest of the variable data until we support it.
1204 if (image->debug != MagickFalse)
1205 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1206 " unsupported data: length=%.20g",(double)
1207 ((MagickOffsetType) (size-combinedlength)));
1208 if (DiscardBlobBytes(image,size-combinedlength) == MagickFalse)
1209 ThrowFileException(exception,CorruptImageError,
1210 "UnexpectedEndOfFile",image->filename);
1213 Allocate layered image.
1215 layer_info[i].image=CloneImage(image,layer_info[i].page.width,
1216 layer_info[i].page.height == ~0U ? 1 : layer_info[i].page.height,
1217 MagickFalse,exception);
1218 if (layer_info[i].image == (Image *) NULL)
1220 for (j=0; j < i; j++)
1221 layer_info[j].image=DestroyImage(layer_info[j].image);
1222 if (image->debug != MagickFalse)
1223 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1224 " allocation of image for layer %.20g failed",(double) i);
1225 ThrowReaderException(ResourceLimitError,
1226 "MemoryAllocationFailed");
1228 if (image->debug != MagickFalse)
1229 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1230 " setting up new layer image");
1231 if (image_info->ping != MagickFalse)
1232 (void) SetImageBackgroundColor(layer_info[i].image,exception);
1233 layer_info[i].image->compose=
1234 PSDBlendModeToCompositeOperator(layer_info[i].blendkey);
1235 if (layer_info[i].visible == MagickFalse)
1236 layer_info[i].image->compose=NoCompositeOp;
1237 if (psd_info.mode == CMYKMode)
1238 SetImageColorspace(layer_info[i].image,CMYKColorspace,exception);
1239 if ((psd_info.mode == BitmapMode) ||
1240 (psd_info.mode == GrayscaleMode) ||
1241 (psd_info.mode == DuotoneMode))
1242 SetImageColorspace(layer_info[i].image,GRAYColorspace,exception);
1243 for (j=0; j < (ssize_t) layer_info[i].channels; j++)
1244 if (layer_info[i].channel_info[j].type == -1)
1245 layer_info[i].image->matte=MagickTrue;
1247 Set up some hidden attributes for folks that need them.
1249 (void) FormatLocaleString(message,MaxTextExtent,"%.20gld",
1250 (double) layer_info[i].page.x);
1251 (void) SetImageArtifact(layer_info[i].image,"psd:layer.x",message);
1252 (void) FormatLocaleString(message,MaxTextExtent,"%.20g",
1253 (double) layer_info[i].page.y);
1254 (void) SetImageArtifact(layer_info[i].image,"psd:layer.y",message);
1255 (void) FormatLocaleString(message,MaxTextExtent,"%.20g",
1256 (double) layer_info[i].opacity);
1257 (void) SetImageArtifact(layer_info[i].image,"psd:layer.opacity",
1259 (void) SetImageProperty(layer_info[i].image,"label",(char *)
1260 layer_info[i].name,exception);
1262 if (check_background == MagickFalse)
1264 if (image->debug != MagickFalse)
1265 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1266 " reading image data for layers");
1268 Read pixel data for each layer.
1270 for (i=0; i < number_layers; i++)
1272 if (image->debug != MagickFalse)
1273 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1274 " reading data for layer %.20g",(double) i);
1275 for (j=0; j < (ssize_t) layer_info[i].channels; j++)
1277 if (image->debug != MagickFalse)
1278 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1279 " reading data for channel %.20g",(double) j);
1281 if (layer_info[i].channel_info[j].size <= (2*layer_info[i].image->rows))
1286 if (image->debug != MagickFalse)
1287 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1288 " layer data is empty");
1290 A layer without data.
1292 for (k=0; k < (ssize_t) layer_info[i].channel_info[j].size; k++)
1293 (void) ReadBlobByte(layer_info[i].image);
1297 offsets=(MagickOffsetType *) NULL;
1298 layer_info[i].image->compression=NoCompression;
1299 compression=ReadBlobMSBShort(layer_info[i].image);
1300 if ((layer_info[i].page.height != 0) &&
1301 (layer_info[i].page.width != 0))
1303 if (compression == 1)
1306 Read RLE compressed data.
1308 layer_info[i].image->compression=RLECompression;
1309 if (image->debug != MagickFalse)
1310 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1311 " layer data is RLE compressed");
1312 offsets=(MagickOffsetType *) AcquireQuantumMemory(
1313 layer_info[i].image->rows,sizeof(*offsets));
1314 if (offsets == (MagickOffsetType *) NULL)
1315 ThrowReaderException(ResourceLimitError,
1316 "MemoryAllocationFailed");
1317 for (y=0; y < (ssize_t) layer_info[i].image->rows; y++)
1318 offsets[y]=GetPSDOffset(&psd_info,
1319 layer_info[i].image);
1321 status=ReadPSDLayer(layer_info[i].image,
1322 layer_info[i].channels,
1323 layer_info[i].channel_info[j].type,offsets,exception);
1324 if (compression == 1)
1325 offsets=(MagickOffsetType *) RelinquishMagickMemory(
1327 if (status == MagickFalse)
1331 if (layer_info[i].opacity != OpaqueAlpha)
1334 Correct for opacity level.
1336 for (y=0; y < (ssize_t) layer_info[i].image->rows; y++)
1338 q=GetAuthenticPixels(layer_info[i].image,0,y,
1339 layer_info[i].image->columns,1,exception);
1340 if (q == (Quantum *) NULL)
1342 for (x=0; x < (ssize_t) layer_info[i].image->columns; x++)
1344 SetPixelAlpha(layer_info[i].image,(Quantum)
1345 (QuantumScale*(GetPixelAlpha(layer_info[i].image,q))*
1346 layer_info[i].opacity),q);
1347 q+=GetPixelChannels(layer_info[i].image);
1349 if (SyncAuthenticPixels(layer_info[i].image,exception) == MagickFalse)
1353 if (layer_info[i].image->colorspace == CMYKColorspace)
1354 (void) NegateImage(layer_info[i].image,MagickFalse,exception);
1355 status=SetImageProgress(image,LoadImagesTag,i,(MagickSizeType)
1357 if (status == MagickFalse)
1360 /* added by palf -> invisible group layer make layer of this group
1361 invisible I consider that all layer with width and height null are
1362 layer for group layer */
1364 short inside_layer = 0;
1365 short layer_visible = 0;
1366 for (i=number_layers-1; i >=0; i--)
1368 if ((layer_info[i].page.width == 0) ||
1369 (layer_info[i].page.height == 0))
1371 if (inside_layer == 0)
1374 layer_visible=(short int) layer_info[i].visible;
1382 if ((inside_layer == 1) && (layer_visible == 0))
1384 layer_info[i].visible=(unsigned char) layer_visible;
1385 layer_info[i].image->compose=NoCompositeOp;
1389 /* added by palf -> suppression of empty layer */
1390 /* I consider that all layer with width and height null are layer for group layer */
1391 for (i=0; i < number_layers; i++)
1393 if ((layer_info[i].page.width == 0) ||
1394 (layer_info[i].page.height == 0))
1396 if (layer_info[i].image != (Image *) NULL)
1397 layer_info[i].image=DestroyImage(layer_info[i].image);
1398 for (j=i; j < number_layers - 1; j++)
1399 layer_info[j] = layer_info[j+1];
1404 mask_size = ReadBlobMSBLong(image); /* global mask size: currently ignored */
1406 if (number_layers > 0)
1408 if (image->debug != MagickFalse)
1409 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1410 " putting layers into image list");
1411 for (i=0; i < number_layers; i++)
1414 layer_info[i].image->previous=layer_info[i-1].image;
1415 if (i < (number_layers-1))
1416 layer_info[i].image->next=layer_info[i+1].image;
1417 layer_info[i].image->page=layer_info[i].page;
1419 image->next=layer_info[0].image;
1420 layer_info[0].image->previous=image;
1421 layer_info=(LayerInfo *) RelinquishMagickMemory(layer_info);
1423 layer_offset-=TellBlob(image);
1424 offset=SeekBlob(image,layer_offset,SEEK_CUR);
1429 Read the precombined layer, present for PSD < 4 compatibility
1431 if (image->debug != MagickFalse)
1432 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
1433 " reading the precombined layer");
1434 offsets=(MagickOffsetType *) NULL;
1435 image->compression=NoCompression;
1436 compression=ReadBlobMSBShort(image);
1437 if (compression == 1)
1440 Read Packbit encoded pixel data as separate planes.
1442 image->compression=RLECompression;
1443 offsets=(MagickOffsetType *) AcquireQuantumMemory(image->rows,
1444 psd_info.channels*sizeof(*offsets));
1445 if (offsets == (MagickOffsetType *) NULL)
1446 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1447 for (i=0; i < (ssize_t) (image->rows*psd_info.channels); i++)
1448 offsets[i]=GetPSDOffset(&psd_info,image);
1450 for (i=0; i < (ssize_t) psd_info.channels; i++)
1452 status=ReadPSDLayer(image,psd_info.channels,i,offsets+i*image->rows,
1454 if (status == MagickFalse)
1456 status=SetImageProgress(image,LoadImagesTag,i,psd_info.channels);
1457 if (status == MagickFalse)
1460 if (compression == 1)
1461 offsets=(MagickOffsetType *) RelinquishMagickMemory(offsets);
1462 if (image->colorspace == CMYKColorspace)
1463 (void) NegateImage(image,MagickFalse,exception);
1464 (void) CloseBlob(image);
1465 return(GetFirstImageInList(image));
1469 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1473 % R e g i s t e r P S D I m a g e %
1477 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1479 % RegisterPSDImage() adds properties for the PSD image format to
1480 % the list of supported formats. The properties include the image format
1481 % tag, a method to read and/or write the format, whether the format
1482 % supports the saving of more than one frame to the same file or blob,
1483 % whether the format supports native in-memory I/O, and a brief
1484 % description of the format.
1486 % The format of the RegisterPSDImage method is:
1488 % size_t RegisterPSDImage(void)
1491 ModuleExport size_t RegisterPSDImage(void)
1496 entry=SetMagickInfo("PSB");
1497 entry->decoder=(DecodeImageHandler *) ReadPSDImage;
1498 entry->encoder=(EncodeImageHandler *) WritePSDImage;
1499 entry->magick=(IsImageFormatHandler *) IsPSD;
1500 entry->seekable_stream=MagickTrue;
1501 entry->description=ConstantString("Adobe Large Document Format");
1502 entry->module=ConstantString("PSD");
1503 (void) RegisterMagickInfo(entry);
1504 entry=SetMagickInfo("PSD");
1505 entry->decoder=(DecodeImageHandler *) ReadPSDImage;
1506 entry->encoder=(EncodeImageHandler *) WritePSDImage;
1507 entry->magick=(IsImageFormatHandler *) IsPSD;
1508 entry->seekable_stream=MagickTrue;
1509 entry->description=ConstantString("Adobe Photoshop bitmap");
1510 entry->module=ConstantString("PSD");
1511 (void) RegisterMagickInfo(entry);
1512 return(MagickImageCoderSignature);
1516 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1520 % U n r e g i s t e r P S D I m a g e %
1524 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1526 % UnregisterPSDImage() removes format registrations made by the
1527 % PSD module from the list of supported formats.
1529 % The format of the UnregisterPSDImage method is:
1531 % UnregisterPSDImage(void)
1534 ModuleExport void UnregisterPSDImage(void)
1536 (void) UnregisterMagickInfo("PSB");
1537 (void) UnregisterMagickInfo("PSD");
1541 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1545 % W r i t e P S D I m a g e %
1549 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1551 % WritePSDImage() writes an image in the Adobe Photoshop encoded image format.
1553 % The format of the WritePSDImage method is:
1555 % MagickBooleanType WritePSDImage(const ImageInfo *image_info,
1556 % Image *image,ExceptionInfo *exception)
1558 % A description of each parameter follows.
1560 % o image_info: the image info.
1562 % o image: The image.
1564 % o exception: return any errors or warnings in this structure.
1568 static inline ssize_t SetPSDOffset(const PSDInfo *psd_info,Image *image,
1569 const size_t offset)
1571 if (psd_info->version == 1)
1572 return(WriteBlobMSBShort(image,(unsigned short) offset));
1573 return(WriteBlobMSBLong(image,(unsigned short) offset));
1576 static inline ssize_t SetPSDSize(const PSDInfo *psd_info,Image *image,
1577 const MagickSizeType size)
1579 if (psd_info->version == 1)
1580 return(WriteBlobMSBLong(image,(unsigned int) size));
1581 return(WriteBlobMSBLongLong(image,size));
1584 static size_t PSDPackbitsEncodeImage(Image *image,const size_t length,
1585 const unsigned char *pixels,unsigned char *compact_pixels,
1586 ExceptionInfo *exception)
1595 register unsigned char
1602 Compress pixels with Packbits encoding.
1604 assert(image != (Image *) NULL);
1605 assert(image->signature == MagickSignature);
1606 if (image->debug != MagickFalse)
1607 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1608 assert(pixels != (unsigned char *) NULL);
1609 packbits=(unsigned char *) AcquireQuantumMemory(128UL,sizeof(*packbits));
1610 if (packbits == (unsigned char *) NULL)
1611 ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
1614 for (i=(ssize_t) length; i != 0; )
1621 *q++=(unsigned char) 0;
1628 *q++=(unsigned char) 1;
1636 if ((*pixels == *(pixels+1)) && (*(pixels+1) == *(pixels+2)))
1638 *q++=(unsigned char) ((256-3)+1);
1642 *q++=(unsigned char) 2;
1650 if ((*pixels == *(pixels+1)) && (*(pixels+1) == *(pixels+2)))
1656 while (((ssize_t) count < i) && (*pixels == *(pixels+count)))
1663 *q++=(unsigned char) ((256-count)+1);
1672 while ((*(pixels+count) != *(pixels+count+1)) ||
1673 (*(pixels+count+1) != *(pixels+count+2)))
1675 packbits[count+1]=pixels[count];
1677 if (((ssize_t) count >= (i-3)) || (count >= 127))
1681 *packbits=(unsigned char) (count-1);
1682 for (j=0; j <= (ssize_t) count; j++)
1689 *q++=(unsigned char) 128; /* EOD marker */
1690 packbits=(unsigned char *) RelinquishMagickMemory(packbits);
1691 return((size_t) (q-compact_pixels));
1694 static void WritePackbitsLength(const PSDInfo *psd_info,
1695 const ImageInfo *image_info,Image *image,Image *next_image,
1696 unsigned char *compact_pixels,const QuantumType quantum_type,
1697 ExceptionInfo *exception)
1702 register const Quantum
1715 if (next_image->depth > 8)
1716 next_image->depth=16;
1717 packet_size=next_image->depth > 8UL ? 2UL : 1UL;
1719 quantum_info=AcquireQuantumInfo(image_info,image);
1720 pixels=GetQuantumPixels(quantum_info);
1721 for (y=0; y < (ssize_t) next_image->rows; y++)
1723 p=GetVirtualPixels(next_image,0,y,next_image->columns,1,exception);
1724 if (p == (const Quantum *) NULL)
1726 length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info,
1727 quantum_type,pixels,exception);
1728 length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels,
1730 (void) SetPSDOffset(psd_info,image,length);
1732 quantum_info=DestroyQuantumInfo(quantum_info);
1735 static void WriteOneChannel(const PSDInfo *psd_info,const ImageInfo *image_info,
1736 Image *image,Image *next_image,unsigned char *compact_pixels,
1737 const QuantumType quantum_type,const MagickBooleanType compression_flag,
1738 ExceptionInfo *exception)
1749 register const Quantum
1763 if ((compression_flag != MagickFalse) &&
1764 (next_image->compression != RLECompression))
1765 (void) WriteBlobMSBShort(image,0);
1766 if (next_image->depth > 8)
1767 next_image->depth=16;
1768 monochrome=IsImageMonochrome(image,exception) && (image->depth == 1) ?
1769 MagickTrue : MagickFalse;
1770 packet_size=next_image->depth > 8UL ? 2UL : 1UL;
1772 quantum_info=AcquireQuantumInfo(image_info,image);
1773 pixels=GetQuantumPixels(quantum_info);
1774 for (y=0; y < (ssize_t) next_image->rows; y++)
1776 p=GetVirtualPixels(next_image,0,y,next_image->columns,1,exception);
1777 if (p == (const Quantum *) NULL)
1779 length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info,
1780 quantum_type,pixels,exception);
1781 if (monochrome != MagickFalse)
1782 for (i=0; i < (ssize_t) length; i++)
1783 pixels[i]=(~pixels[i]);
1784 if (next_image->compression != RLECompression)
1785 (void) WriteBlob(image,length,pixels);
1788 length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels,
1790 (void) WriteBlob(image,length,compact_pixels);
1793 quantum_info=DestroyQuantumInfo(quantum_info);
1796 static MagickBooleanType WriteImageChannels(const PSDInfo *psd_info,
1797 const ImageInfo *image_info,Image *image,Image *next_image,
1798 const MagickBooleanType separate,ExceptionInfo *exception)
1811 Write uncompressed pixels as separate planes.
1814 packet_size=next_image->depth > 8UL ? 2UL : 1UL;
1815 compact_pixels=(unsigned char *) NULL;
1816 if (next_image->compression == RLECompression)
1818 compact_pixels=(unsigned char *) AcquireQuantumMemory(2*channels*
1819 next_image->columns,packet_size*sizeof(*compact_pixels));
1820 if (compact_pixels == (unsigned char *) NULL)
1821 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1824 if (IsImageGray(next_image,exception) != MagickFalse)
1826 if (next_image->compression == RLECompression)
1829 Packbits compression.
1831 (void) WriteBlobMSBShort(image,1);
1832 WritePackbitsLength(psd_info,image_info,image,next_image,
1833 compact_pixels,GrayQuantum,exception);
1834 if (next_image->matte != MagickFalse)
1835 WritePackbitsLength(psd_info,image_info,image,next_image,
1836 compact_pixels,AlphaQuantum,exception);
1838 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1839 GrayQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1840 MagickFalse,exception);
1841 if (next_image->matte != MagickFalse)
1842 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1843 AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1844 MagickFalse,exception);
1845 (void) SetImageProgress(image,SaveImagesTag,0,1);
1848 if (next_image->storage_class == PseudoClass)
1850 if (next_image->compression == RLECompression)
1853 Packbits compression.
1855 (void) WriteBlobMSBShort(image,1);
1856 WritePackbitsLength(psd_info,image_info,image,next_image,
1857 compact_pixels,IndexQuantum,exception);
1858 if (next_image->matte != MagickFalse)
1859 WritePackbitsLength(psd_info,image_info,image,next_image,
1860 compact_pixels,AlphaQuantum,exception);
1862 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1863 IndexQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1864 MagickFalse,exception);
1865 if (next_image->matte != MagickFalse)
1866 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1867 AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1868 MagickFalse,exception);
1869 (void) SetImageProgress(image,SaveImagesTag,0,1);
1873 if (next_image->colorspace == CMYKColorspace)
1874 (void) NegateImage(next_image,MagickFalse,exception);
1875 if (next_image->compression == RLECompression)
1878 Packbits compression.
1880 (void) WriteBlobMSBShort(image,1);
1881 WritePackbitsLength(psd_info,image_info,image,next_image,
1882 compact_pixels,RedQuantum,exception);
1883 WritePackbitsLength(psd_info,image_info,image,next_image,
1884 compact_pixels,GreenQuantum,exception);
1885 WritePackbitsLength(psd_info,image_info,image,next_image,
1886 compact_pixels,BlueQuantum,exception);
1887 if (next_image->colorspace == CMYKColorspace)
1888 WritePackbitsLength(psd_info,image_info,image,next_image,
1889 compact_pixels,BlackQuantum,exception);
1890 if (next_image->matte != MagickFalse)
1891 WritePackbitsLength(psd_info,image_info,image,next_image,
1892 compact_pixels,AlphaQuantum,exception);
1894 (void) SetImageProgress(image,SaveImagesTag,0,6);
1895 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1896 RedQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1897 MagickFalse,exception);
1898 (void) SetImageProgress(image,SaveImagesTag,1,6);
1899 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1900 GreenQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1901 MagickFalse,exception);
1902 (void) SetImageProgress(image,SaveImagesTag,2,6);
1903 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1904 BlueQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1905 MagickFalse,exception);
1906 (void) SetImageProgress(image,SaveImagesTag,3,6);
1907 if (next_image->colorspace == CMYKColorspace)
1908 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1909 BlackQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1910 MagickFalse,exception);
1911 (void) SetImageProgress(image,SaveImagesTag,4,6);
1912 if (next_image->matte != MagickFalse)
1913 WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
1914 AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
1915 MagickFalse,exception);
1916 (void) SetImageProgress(image,SaveImagesTag,5,6);
1917 if (next_image->colorspace == CMYKColorspace)
1918 (void) NegateImage(next_image,MagickFalse,exception);
1920 if (next_image->compression == RLECompression)
1921 compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
1925 static void WritePascalString(Image* inImage,const char *inString,int inPad)
1936 length=(strlen(inString) > 255UL ) ? 255UL : strlen(inString);
1938 (void) WriteBlobByte(inImage,0);
1941 (void) WriteBlobByte(inImage,(unsigned char) length);
1942 (void) WriteBlob(inImage, length, (const unsigned char *) inString);
1945 if ((length % inPad) == 0)
1947 for (i=0; i < (ssize_t) (inPad-(length % inPad)); i++)
1948 (void) WriteBlobByte(inImage,0);
1951 static void WriteResolutionResourceBlock(Image *image)
1960 x_resolution=65536.0*image->resolution.x+0.5;
1961 y_resolution=65536.0*image->resolution.y+0.5;
1963 if (image->units == PixelsPerCentimeterResolution)
1965 x_resolution=2.54*65536.0*image->resolution.x*0.5;
1966 y_resolution=2.54*65536.0*image->resolution.y+0.5;
1969 (void) WriteBlob(image,4,(const unsigned char *) "8BIM");
1970 (void) WriteBlobMSBShort(image,0x03ED);
1971 (void) WriteBlobMSBShort(image,0);
1972 (void) WriteBlobMSBLong(image,16); /* resource size */
1973 (void) WriteBlobMSBLong(image,(unsigned int) (x_resolution+0.5));
1974 (void) WriteBlobMSBShort(image,units); /* horizontal resolution unit */
1975 (void) WriteBlobMSBShort(image,units); /* width unit */
1976 (void) WriteBlobMSBLong(image,(unsigned int) (y_resolution+0.5));
1977 (void) WriteBlobMSBShort(image,units); /* vertical resolution unit */
1978 (void) WriteBlobMSBShort(image,units); /* height unit */
1981 static void RemoveICCProfileFromResourceBlock(StringInfo *bim_profile)
1983 register const unsigned char
2000 length=GetStringInfoLength(bim_profile);
2003 datum=GetStringInfoDatum(bim_profile);
2004 for (p=datum; (p >= datum) && (p < (datum+length-16)); )
2006 register unsigned char
2009 q=(unsigned char *) p;
2010 if (LocaleNCompare((const char *) p,"8BIM",4) != 0)
2012 p=PushLongPixel(MSBEndian,p,&long_sans);
2013 p=PushShortPixel(MSBEndian,p,&id);
2014 p=PushShortPixel(MSBEndian,p,&short_sans);
2015 p=PushLongPixel(MSBEndian,p,&count);
2016 if (id == 0x0000040f)
2018 (void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length-
2019 (PSDQuantum(count)+12)-(q-datum));
2020 SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12));
2024 if ((count & 0x01) != 0)
2029 static void RemoveResolutionFromResourceBlock(StringInfo *bim_profile)
2031 register const unsigned char
2048 length=GetStringInfoLength(bim_profile);
2051 datum=GetStringInfoDatum(bim_profile);
2052 for (p=datum; (p >= datum) && (p < (datum+length-16)); )
2054 register unsigned char
2057 q=(unsigned char *) p;
2058 if (LocaleNCompare((const char *) p,"8BIM",4) != 0)
2060 p=PushLongPixel(MSBEndian,p,&long_sans);
2061 p=PushShortPixel(MSBEndian,p,&id);
2062 p=PushShortPixel(MSBEndian,p,&short_sans);
2063 p=PushLongPixel(MSBEndian,p,&count);
2064 if ((id == 0x000003ed) && (PSDQuantum(count) < (ssize_t) (length-12)))
2066 (void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length-
2067 (PSDQuantum(count)+12)-(q-datum));
2068 SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12));
2072 if ((count & 0x01) != 0)
2077 static MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image,
2078 ExceptionInfo *exception)
2107 rounded_layer_info_size;
2118 assert(image_info != (const ImageInfo *) NULL);
2119 assert(image_info->signature == MagickSignature);
2120 assert(image != (Image *) NULL);
2121 assert(image->signature == MagickSignature);
2122 if (image->debug != MagickFalse)
2123 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2124 assert(exception != (ExceptionInfo *) NULL);
2125 assert(exception->signature == MagickSignature);
2126 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
2127 if (status == MagickFalse)
2129 packet_size=(size_t) (image->depth > 8 ? 6 : 3);
2130 if (image->matte != MagickFalse)
2131 packet_size+=image->depth > 8 ? 2 : 1;
2133 if ((LocaleCompare(image_info->magick,"PSB") == 0) ||
2134 (image->columns > 30000) || (image->rows > 30000))
2136 (void) WriteBlob(image,4,(const unsigned char *) "8BPS");
2137 (void) WriteBlobMSBShort(image,psd_info.version); /* version */
2138 for (i=1; i <= 6; i++)
2139 (void) WriteBlobByte(image, 0); /* 6 bytes of reserved */
2140 if (IsImageGray(image,exception) != MagickFalse)
2141 num_channels=(image->matte != MagickFalse ? 2UL : 1UL);
2143 if (image->storage_class == PseudoClass)
2144 num_channels=(image->matte != MagickFalse ? 2UL : 1UL);
2147 if (image->colorspace != CMYKColorspace)
2148 num_channels=(image->matte != MagickFalse ? 4UL : 3UL);
2150 num_channels=(image->matte != MagickFalse ? 5UL : 4UL);
2152 (void) WriteBlobMSBShort(image,(unsigned short) num_channels);
2153 (void) WriteBlobMSBLong(image,(unsigned int) image->rows);
2154 (void) WriteBlobMSBLong(image,(unsigned int) image->columns);
2155 if (IsImageGray(image,exception) != MagickFalse)
2163 monochrome=IsImageMonochrome(image,exception) && (image->depth == 1) ?
2164 MagickTrue : MagickFalse;
2165 (void) WriteBlobMSBShort(image,(unsigned short)
2166 (monochrome != MagickFalse ? 1 : image->depth > 8 ? 16 : 8));
2167 (void) WriteBlobMSBShort(image,(unsigned short)
2168 (monochrome != MagickFalse ? BitmapMode : GrayscaleMode));
2172 (void) WriteBlobMSBShort(image,(unsigned short) (image->storage_class ==
2173 PseudoClass ? 8 : image->depth > 8 ? 16 : 8));
2174 if (((image_info->colorspace != UndefinedColorspace) ||
2175 (image->colorspace != CMYKColorspace)) &&
2176 (image_info->colorspace != CMYKColorspace))
2178 if ((IssRGBColorspace(image->colorspace) == MagickFalse) &&
2179 (IsImageGray(image,exception) == MagickFalse))
2180 (void) TransformImageColorspace(image,sRGBColorspace,exception);
2181 (void) WriteBlobMSBShort(image,(unsigned short)
2182 (image->storage_class == PseudoClass ? IndexedMode : RGBMode));
2186 if (image->colorspace != CMYKColorspace)
2187 (void) TransformImageColorspace(image,CMYKColorspace,exception);
2188 (void) WriteBlobMSBShort(image,CMYKMode);
2191 if ((IsImageGray(image,exception) != MagickFalse) ||
2192 (image->storage_class == DirectClass) || (image->colors > 256))
2193 (void) WriteBlobMSBLong(image,0);
2197 Write PSD raster colormap.
2199 (void) WriteBlobMSBLong(image,768);
2200 for (i=0; i < (ssize_t) image->colors; i++)
2201 (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].red));
2202 for ( ; i < 256; i++)
2203 (void) WriteBlobByte(image,0);
2204 for (i=0; i < (ssize_t) image->colors; i++)
2205 (void) WriteBlobByte(image,ScaleQuantumToChar(
2206 image->colormap[i].green));
2207 for ( ; i < 256; i++)
2208 (void) WriteBlobByte(image,0);
2209 for (i=0; i < (ssize_t) image->colors; i++)
2210 (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].blue));
2211 for ( ; i < 256; i++)
2212 (void) WriteBlobByte(image,0);
2215 Image resource block.
2217 length=28; /* 0x03EB */
2218 bim_profile=(StringInfo *) GetImageProfile(image,"8bim");
2219 icc_profile=GetImageProfile(image,"icc");
2220 if (bim_profile != (StringInfo *) NULL)
2222 bim_profile=CloneStringInfo(bim_profile);
2223 if (icc_profile != (StringInfo *) NULL)
2224 RemoveICCProfileFromResourceBlock(bim_profile);
2225 RemoveResolutionFromResourceBlock(bim_profile);
2226 length+=PSDQuantum(GetStringInfoLength(bim_profile));
2228 if (icc_profile != (const StringInfo *) NULL)
2229 length+=PSDQuantum(GetStringInfoLength(icc_profile))+12;
2230 (void) WriteBlobMSBLong(image,(unsigned int) length);
2231 WriteResolutionResourceBlock(image);
2232 if (bim_profile != (StringInfo *) NULL)
2234 (void) WriteBlob(image,GetStringInfoLength(bim_profile),
2235 GetStringInfoDatum(bim_profile));
2236 bim_profile=DestroyStringInfo(bim_profile);
2238 if (icc_profile != (StringInfo *) NULL)
2240 (void) WriteBlob(image,4,(const unsigned char *) "8BIM");
2241 (void) WriteBlobMSBShort(image,0x0000040F);
2242 (void) WriteBlobMSBShort(image,0);
2243 (void) WriteBlobMSBLong(image,(unsigned int) GetStringInfoLength(
2245 (void) WriteBlob(image,GetStringInfoLength(icc_profile),
2246 GetStringInfoDatum(icc_profile));
2247 if ((MagickOffsetType) GetStringInfoLength(icc_profile) !=
2248 PSDQuantum(GetStringInfoLength(icc_profile)))
2249 (void) WriteBlobByte(image,0);
2253 base_image=GetNextImageInList(image);
2254 if ((image->matte != MagickFalse) && (base_image == (Image *) NULL))
2256 next_image=base_image;
2257 while ( next_image != NULL )
2259 packet_size=next_image->depth > 8 ? 2UL : 1UL;
2260 if (IsImageGray(next_image,exception) != MagickFalse)
2261 num_channels=next_image->matte != MagickFalse ? 2UL : 1UL;
2263 if (next_image->storage_class == PseudoClass)
2264 num_channels=next_image->matte != MagickFalse ? 2UL : 1UL;
2266 if (next_image->colorspace != CMYKColorspace)
2267 num_channels=next_image->matte != MagickFalse ? 4UL : 3UL;
2269 num_channels=next_image->matte != MagickFalse ? 5UL : 4UL;
2270 channelLength=(size_t) (next_image->columns*next_image->rows*packet_size+2);
2271 layer_info_size+=(size_t) (4*4+2+num_channels*6+(psd_info.version == 1 ? 8 :
2272 16)+4*1+4+num_channels*channelLength);
2273 property=(const char *) GetImageProperty(next_image,"label",exception);
2274 if (property == (const char *) NULL)
2275 layer_info_size+=16;
2281 length=strlen(property);
2282 layer_info_size+=8+length+(4-(length % 4));
2285 next_image=GetNextImageInList(next_image);
2287 if (layer_count == 0)
2288 (void) SetPSDSize(&psd_info,image,0);
2294 (void) SetPSDSize(&psd_info,image,layer_info_size+
2295 (psd_info.version == 1 ? 8 : 16));
2296 if ((layer_info_size/2) != ((layer_info_size+1)/2))
2297 rounded_layer_info_size=layer_info_size+1;
2299 rounded_layer_info_size=layer_info_size;
2300 (void) SetPSDSize(&psd_info,image,rounded_layer_info_size);
2301 (void) WriteBlobMSBShort(image,(unsigned short) layer_count);
2303 compression=base_image->compression;
2304 next_image=base_image;
2305 while (next_image != NULL)
2307 next_image->compression=NoCompression;
2308 (void) WriteBlobMSBLong(image,(unsigned int) next_image->page.y);
2309 (void) WriteBlobMSBLong(image,(unsigned int) next_image->page.x);
2310 (void) WriteBlobMSBLong(image,(unsigned int) next_image->page.y+
2312 (void) WriteBlobMSBLong(image,(unsigned int) next_image->page.x+
2313 next_image->columns);
2314 packet_size=next_image->depth > 8 ? 2UL : 1UL;
2315 channel_size=(unsigned int) ((packet_size*next_image->rows*
2316 next_image->columns)+2);
2317 if ((IsImageGray(next_image,exception) != MagickFalse) ||
2318 (next_image->storage_class == PseudoClass))
2320 (void) WriteBlobMSBShort(image,(unsigned short)
2321 (next_image->matte != MagickFalse ? 2 : 1));
2322 (void) WriteBlobMSBShort(image,0);
2323 (void) SetPSDSize(&psd_info,image,channel_size);
2324 if (next_image->matte != MagickFalse)
2326 (void) WriteBlobMSBShort(image,(unsigned short) -1);
2327 (void) SetPSDSize(&psd_info,image,channel_size);
2331 if (next_image->colorspace != CMYKColorspace)
2333 (void) WriteBlobMSBShort(image,(unsigned short)
2334 (next_image->matte != MagickFalse ? 4 : 3));
2335 (void) WriteBlobMSBShort(image,0);
2336 (void) SetPSDSize(&psd_info,image,channel_size);
2337 (void) WriteBlobMSBShort(image,1);
2338 (void) SetPSDSize(&psd_info,image,channel_size);
2339 (void) WriteBlobMSBShort(image,2);
2340 (void) SetPSDSize(&psd_info,image,channel_size);
2341 if (next_image->matte!= MagickFalse )
2343 (void) WriteBlobMSBShort(image,(unsigned short) -1);
2344 (void) SetPSDSize(&psd_info,image,channel_size);
2349 (void) WriteBlobMSBShort(image,(unsigned short)
2350 (next_image->matte ? 5 : 4));
2351 (void) WriteBlobMSBShort(image,0);
2352 (void) SetPSDSize(&psd_info,image,channel_size);
2353 (void) WriteBlobMSBShort(image,1);
2354 (void) SetPSDSize(&psd_info,image,channel_size);
2355 (void) WriteBlobMSBShort(image,2);
2356 (void) SetPSDSize(&psd_info,image,channel_size);
2357 (void) WriteBlobMSBShort(image,3);
2358 (void) SetPSDSize(&psd_info,image,channel_size);
2359 if (next_image->matte)
2361 (void) WriteBlobMSBShort(image,(unsigned short) -1);
2362 (void) SetPSDSize(&psd_info,image,channel_size);
2365 (void) WriteBlob(image,4,(const unsigned char *) "8BIM");
2366 (void) WriteBlob(image,4,(const unsigned char *)
2367 CompositeOperatorToPSDBlendMode(next_image->compose));
2368 (void) WriteBlobByte(image,255); /* layer opacity */
2369 (void) WriteBlobByte(image,0);
2370 (void) WriteBlobByte(image,1); /* layer propertys - visible, etc. */
2371 (void) WriteBlobByte(image,0);
2372 property=(const char *) GetImageProperty(next_image,"label",exception);
2373 if (property == (const char *) NULL)
2375 (void) WriteBlobMSBLong(image,16);
2376 (void) WriteBlobMSBLong(image,0);
2377 (void) WriteBlobMSBLong(image,0);
2378 (void) FormatLocaleString((char *) layer_name,MaxTextExtent,
2379 "L%06ld",(long) layer_count++);
2380 WritePascalString( image, (char*)layer_name, 4 );
2387 length=strlen(property);
2388 (void) WriteBlobMSBLong(image,(unsigned int) (length+(4-
2390 (void) WriteBlobMSBLong(image,0);
2391 (void) WriteBlobMSBLong(image,0);
2392 WritePascalString(image,property,4);
2394 next_image=GetNextImageInList(next_image);
2399 next_image=base_image;
2400 while (next_image != NULL)
2402 status=WriteImageChannels(&psd_info,image_info,image,next_image,
2403 MagickTrue,exception);
2404 next_image=GetNextImageInList(next_image);
2406 (void) WriteBlobMSBLong(image,0); /* user mask data */
2407 base_image->compression=compression;
2410 Write composite image.
2412 status=WriteImageChannels(&psd_info,image_info,image,image,MagickFalse,
2414 (void) CloseBlob(image);