/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % PPPP SSSSS DDDD % % P P SS D D % % PPPP SSS D D % % P SS D D % % P SSSSS DDDD % % % % % % Read/Write Adobe Photoshop Image Format % % % % Software Design % % Cristy % % Leonard Rosenthol % % July 1992 % % Dirk Lemstra % % December 2013 % % % % % % Copyright 1999-2015 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % http://www.imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "MagickCore/studio.h" #include "MagickCore/artifact.h" #include "MagickCore/attribute.h" #include "MagickCore/blob.h" #include "MagickCore/blob-private.h" #include "MagickCore/cache.h" #include "MagickCore/channel.h" #include "MagickCore/colormap.h" #include "MagickCore/colormap-private.h" #include "MagickCore/colorspace.h" #include "MagickCore/colorspace-private.h" #include "MagickCore/constitute.h" #include "MagickCore/enhance.h" #include "MagickCore/exception.h" #include "MagickCore/exception-private.h" #include "MagickCore/image.h" #include "MagickCore/image-private.h" #include "MagickCore/list.h" #include "MagickCore/log.h" #include "MagickCore/magick.h" #include "MagickCore/memory_.h" #include "MagickCore/module.h" #include "MagickCore/monitor-private.h" #include "MagickCore/pixel.h" #include "MagickCore/pixel-accessor.h" #include "MagickCore/profile.h" #include "MagickCore/property.h" #include "MagickCore/quantum-private.h" #include "MagickCore/static.h" #include "MagickCore/string_.h" #ifdef MAGICKCORE_ZLIB_DELEGATE #include #endif /* Define declaractions. */ #define MaxPSDChannels 56 #define PSDQuantum(x) (((ssize_t) (x)+1) & -2) /* Enumerated declaractions. */ typedef enum { Raw = 0, RLE = 1, ZipWithoutPrediction = 2, ZipWithPrediction = 3 } PSDCompressionType; typedef enum { BitmapMode = 0, GrayscaleMode = 1, IndexedMode = 2, RGBMode = 3, CMYKMode = 4, MultichannelMode = 7, DuotoneMode = 8, LabMode = 9 } PSDImageType; /* Typedef declaractions. */ typedef struct _ChannelInfo { short int type; size_t size; } ChannelInfo; typedef struct _LayerInfo { RectangleInfo page, mask; unsigned short channels; ChannelInfo channel_info[MaxPSDChannels]; char blendkey[4]; Quantum opacity; unsigned char clipping, visible, flags; size_t offset_x, offset_y; unsigned char name[256]; Image *image; } LayerInfo; typedef struct _PSDInfo { char signature[4]; unsigned short channels, version; unsigned char reserved[6]; size_t rows, columns; unsigned short depth, mode; } PSDInfo; /* Forward declarations. */ static MagickBooleanType WritePSDImage(const ImageInfo *,Image *,ExceptionInfo *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s P S D % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsPSD()() returns MagickTrue if the image format type, identified by the % magick string, is PSD. % % The format of the IsPSD method is: % % MagickBooleanType IsPSD(const unsigned char *magick,const size_t length) % % A description of each parameter follows: % % o magick: compare image format pattern against these bytes. % % o length: Specifies the length of the magick string. % */ static MagickBooleanType IsPSD(const unsigned char *magick,const size_t length) { if (length < 4) return(MagickFalse); if (LocaleNCompare((const char *) magick,"8BPS",4) == 0) return(MagickTrue); return(MagickFalse); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d P S D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadPSDImage() reads an Adobe Photoshop image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadPSDImage method is: % % Image *ReadPSDImage(image_info) % % A description of each parameter follows: % % o image_info: the image info. % % o exception: return any errors or warnings in this structure. % */ static const char *CompositeOperatorToPSDBlendMode(CompositeOperator op) { const char *blend_mode; switch (op) { case ColorBurnCompositeOp: blend_mode = "idiv"; break; case ColorDodgeCompositeOp: blend_mode = "div "; break; case ColorizeCompositeOp: blend_mode = "colr"; break; case DarkenCompositeOp: blend_mode = "dark"; break; case DifferenceCompositeOp: blend_mode = "diff"; break; case DissolveCompositeOp: blend_mode = "diss"; break; case ExclusionCompositeOp: blend_mode = "smud"; break; case HardLightCompositeOp: blend_mode = "hLit"; break; case HardMixCompositeOp: blend_mode = "hMix"; break; case HueCompositeOp: blend_mode = "hue "; break; case LightenCompositeOp: blend_mode = "lite"; break; case LinearBurnCompositeOp: blend_mode = "lbrn"; break; case LinearDodgeCompositeOp:blend_mode = "lddg"; break; case LinearLightCompositeOp:blend_mode = "lLit"; break; case LuminizeCompositeOp: blend_mode = "lum "; break; case MultiplyCompositeOp: blend_mode = "mul "; break; case OverCompositeOp: blend_mode = "norm"; break; case OverlayCompositeOp: blend_mode = "over"; break; case PinLightCompositeOp: blend_mode = "pLit"; break; case SaturateCompositeOp: blend_mode = "sat "; break; case ScreenCompositeOp: blend_mode = "scrn"; break; case SoftLightCompositeOp: blend_mode = "sLit"; break; case VividLightCompositeOp: blend_mode = "vLit"; break; default: blend_mode = "norm"; } return(blend_mode); } static inline CompressionType ConvertPSDCompression( PSDCompressionType compression) { switch (compression) { case RLE: return RLECompression; case ZipWithPrediction: case ZipWithoutPrediction: return ZipCompression; default: return NoCompression; } } static MagickStatusType CorrectPSDOpacity(LayerInfo* layer_info, ExceptionInfo *exception) { register Quantum *q; register ssize_t x; ssize_t y; if (layer_info->opacity == OpaqueAlpha) return(MagickTrue); layer_info->image->alpha_trait=BlendPixelTrait; for (y=0; y < (ssize_t) layer_info->image->rows; y++) { q=GetAuthenticPixels(layer_info->image,0,y,layer_info->image->columns,1, exception); if (q == (Quantum *) NULL) break; for (x=0; x < (ssize_t) layer_info->image->columns; x++) { SetPixelAlpha(layer_info->image,(Quantum) (QuantumScale*(GetPixelAlpha( layer_info->image,q))*layer_info->opacity),q); q+=GetPixelChannels(layer_info->image); } if (SyncAuthenticPixels(layer_info->image,exception) == MagickFalse) return(MagickFalse); } return(MagickTrue); } static ssize_t DecodePSDPixels(const size_t number_compact_pixels, const unsigned char *compact_pixels,const ssize_t depth, const size_t number_pixels,unsigned char *pixels) { #define CheckNumberCompactPixels \ if (packets == 0) \ return(i); \ packets-- #define CheckNumberPixels(count) \ if (((ssize_t) i + count) > (ssize_t) number_pixels) \ return(i); \ i+=count int pixel; register ssize_t i, j; size_t length; ssize_t packets; packets=(ssize_t) number_compact_pixels; for (i=0; (packets > 1) && (i < (ssize_t) number_pixels); ) { packets--; length=(size_t) (*compact_pixels++); if (length == 128) continue; if (length > 128) { length=256-length+1; CheckNumberCompactPixels; pixel=(*compact_pixels++); for (j=0; j < (ssize_t) length; j++) { switch (depth) { case 1: { CheckNumberPixels(8); *pixels++=(pixel >> 7) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 6) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 5) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 4) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 3) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 2) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 1) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 0) & 0x01 ? 0U : 255U; break; } case 2: { CheckNumberPixels(4); *pixels++=(unsigned char) ((pixel >> 6) & 0x03); *pixels++=(unsigned char) ((pixel >> 4) & 0x03); *pixels++=(unsigned char) ((pixel >> 2) & 0x03); *pixels++=(unsigned char) ((pixel & 0x03) & 0x03); break; } case 4: { CheckNumberPixels(2); *pixels++=(unsigned char) ((pixel >> 4) & 0xff); *pixels++=(unsigned char) ((pixel & 0x0f) & 0xff); break; } default: { CheckNumberPixels(1); *pixels++=(unsigned char) pixel; break; } } } continue; } length++; for (j=0; j < (ssize_t) length; j++) { switch (depth) { case 1: { CheckNumberPixels(8); *pixels++=(*compact_pixels >> 7) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 6) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 5) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 4) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 3) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 2) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 1) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 0) & 0x01 ? 0U : 255U; break; } case 2: { CheckNumberPixels(4); *pixels++=(*compact_pixels >> 6) & 0x03; *pixels++=(*compact_pixels >> 4) & 0x03; *pixels++=(*compact_pixels >> 2) & 0x03; *pixels++=(*compact_pixels & 0x03) & 0x03; break; } case 4: { CheckNumberPixels(2); *pixels++=(*compact_pixels >> 4) & 0xff; *pixels++=(*compact_pixels & 0x0f) & 0xff; break; } default: { CheckNumberPixels(1); *pixels++=(*compact_pixels); break; } } CheckNumberCompactPixels; compact_pixels++; } } return(i); } static inline LayerInfo *DestroyLayerInfo(LayerInfo *layer_info, const ssize_t number_layers) { ssize_t i; for (i=0; istorage_class == PseudoClass) { if (image->colors > 256) return(2); else if (image->depth > 8) return(2); } else if (image->depth > 8) return(2); return(1); } static inline MagickSizeType GetPSDSize(const PSDInfo *psd_info,Image *image) { if (psd_info->version == 1) return((MagickSizeType) ReadBlobMSBLong(image)); return((MagickSizeType) ReadBlobMSBLongLong(image)); } static inline size_t GetPSDRowSize(Image *image) { if (image->depth == 1) return((image->columns+7)/8); else return(image->columns*GetPSDPacketSize(image)); } static const char *ModeToString(PSDImageType type) { switch (type) { case BitmapMode: return "Bitmap"; case GrayscaleMode: return "Grayscale"; case IndexedMode: return "Indexed"; case RGBMode: return "RGB"; case CMYKMode: return "CMYK"; case MultichannelMode: return "Multichannel"; case DuotoneMode: return "Duotone"; case LabMode: return "L*A*B"; default: return "unknown"; } } static void NegateCMYK(Image *image,ExceptionInfo *exception) { ChannelType channel_mask; channel_mask=SetImageChannelMask(image,(ChannelType)(AllChannels &~ AlphaChannel)); NegateImage(image,MagickFalse,exception); (void) SetImageChannelMask(image,channel_mask); } static void ParseImageResourceBlocks(Image *image, const unsigned char *blocks,size_t length, MagickBooleanType *has_merged_image,ExceptionInfo *exception) { const unsigned char *p; StringInfo *profile; unsigned int count, long_sans; unsigned short id, short_sans; if (length < 16) return; profile=BlobToStringInfo((const void *) NULL,length); SetStringInfoDatum(profile,blocks); (void) SetImageProfile(image,"8bim",profile,exception); profile=DestroyStringInfo(profile); for (p=blocks; (p >= blocks) && (p < (blocks+length-16)); ) { if (LocaleNCompare((const char *) p,"8BIM",4) != 0) break; p=PushLongPixel(MSBEndian,p,&long_sans); p=PushShortPixel(MSBEndian,p,&id); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushLongPixel(MSBEndian,p,&count); if (p+count > blocks+length) return; switch (id) { case 0x03ed: { char value[MaxTextExtent]; unsigned short resolution; /* Resolution info. */ p=PushShortPixel(MSBEndian,p,&resolution); image->resolution.x=(double) resolution; (void) FormatLocaleString(value,MaxTextExtent,"%g",image->resolution.x); (void) SetImageProperty(image,"tiff:XResolution",value,exception); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&resolution); image->resolution.y=(double) resolution; (void) FormatLocaleString(value,MaxTextExtent,"%g",image->resolution.y); (void) SetImageProperty(image,"tiff:YResolution",value,exception); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&short_sans); image->units=PixelsPerInchResolution; break; } case 0x0421: { if (*(p+4) == 0) *has_merged_image=MagickFalse; p+=count; break; } default: { p+=count; break; } } if ((count & 0x01) != 0) p++; } return; } static CompositeOperator PSDBlendModeToCompositeOperator(const char *mode) { if (mode == (const char *) NULL) return(OverCompositeOp); if (LocaleNCompare(mode,"norm",4) == 0) return(OverCompositeOp); if (LocaleNCompare(mode,"mul ",4) == 0) return(MultiplyCompositeOp); if (LocaleNCompare(mode,"diss",4) == 0) return(DissolveCompositeOp); if (LocaleNCompare(mode,"diff",4) == 0) return(DifferenceCompositeOp); if (LocaleNCompare(mode,"dark",4) == 0) return(DarkenCompositeOp); if (LocaleNCompare(mode,"lite",4) == 0) return(LightenCompositeOp); if (LocaleNCompare(mode,"hue ",4) == 0) return(HueCompositeOp); if (LocaleNCompare(mode,"sat ",4) == 0) return(SaturateCompositeOp); if (LocaleNCompare(mode,"colr",4) == 0) return(ColorizeCompositeOp); if (LocaleNCompare(mode,"lum ",4) == 0) return(LuminizeCompositeOp); if (LocaleNCompare(mode,"scrn",4) == 0) return(ScreenCompositeOp); if (LocaleNCompare(mode,"over",4) == 0) return(OverlayCompositeOp); if (LocaleNCompare(mode,"hLit",4) == 0) return(HardLightCompositeOp); if (LocaleNCompare(mode,"sLit",4) == 0) return(SoftLightCompositeOp); if (LocaleNCompare(mode,"smud",4) == 0) return(ExclusionCompositeOp); if (LocaleNCompare(mode,"div ",4) == 0) return(ColorDodgeCompositeOp); if (LocaleNCompare(mode,"idiv",4) == 0) return(ColorBurnCompositeOp); if (LocaleNCompare(mode,"lbrn",4) == 0) return(LinearBurnCompositeOp); if (LocaleNCompare(mode,"lddg",4) == 0) return(LinearDodgeCompositeOp); if (LocaleNCompare(mode,"lLit",4) == 0) return(LinearLightCompositeOp); if (LocaleNCompare(mode,"vLit",4) == 0) return(VividLightCompositeOp); if (LocaleNCompare(mode,"pLit",4) == 0) return(PinLightCompositeOp); if (LocaleNCompare(mode,"hMix",4) == 0) return(HardMixCompositeOp); return(OverCompositeOp); } static MagickStatusType ReadPSDChannelPixels(Image *image, const size_t channels,const size_t row,const ssize_t type, const unsigned char *pixels,ExceptionInfo *exception) { Quantum pixel; register const unsigned char *p; register Quantum *q; register ssize_t x; size_t packet_size; unsigned short nibble; p=pixels; q=GetAuthenticPixels(image,0,row,image->columns,1,exception); if (q == (Quantum *) NULL) return MagickFalse; packet_size=GetPSDPacketSize(image); for (x=0; x < (ssize_t) image->columns; x++) { if (packet_size == 1) pixel=ScaleCharToQuantum(*p++); else { p=PushShortPixel(MSBEndian,p,&nibble); pixel=ScaleShortToQuantum(nibble); } switch (type) { case -1: { SetPixelAlpha(image,pixel,q); break; } case 0: { SetPixelRed(image,pixel,q); if (channels == 1) SetPixelGray(image,pixel,q); if (image->storage_class == PseudoClass) { if (packet_size == 1) SetPixelIndex(image,ScaleQuantumToChar(pixel),q); else SetPixelIndex(image,ScaleQuantumToShort(pixel),q); SetPixelViaPixelInfo(image,image->colormap+(ssize_t) ConstrainColormapIndex(image,GetPixelIndex(image,q),exception),q); if (image->depth == 1) { ssize_t bit, number_bits; number_bits=image->columns-x; if (number_bits > 8) number_bits=8; for (bit=0; bit < number_bits; bit++) { SetPixelIndex(image,(((unsigned char) pixel) & (0x01 << (7-bit))) != 0 ? 0 : 255,q); SetPixelViaPixelInfo(image,image->colormap+(ssize_t) GetPixelIndex(image,q),q); q+=GetPixelChannels(image); x++; } x--; continue; } } break; } case 1: { if (image->storage_class == PseudoClass) SetPixelAlpha(image,pixel,q); else SetPixelGreen(image,pixel,q); break; } case 2: { if (image->storage_class == PseudoClass) SetPixelAlpha(image,pixel,q); else SetPixelBlue(image,pixel,q); break; } case 3: { if (image->colorspace == CMYKColorspace) SetPixelBlack(image,pixel,q); else if (image->alpha_trait != UndefinedPixelTrait) SetPixelAlpha(image,pixel,q); break; } case 4: { if ((IssRGBCompatibleColorspace(image->colorspace) != MagickFalse) && (channels > 3)) break; if (image->alpha_trait != UndefinedPixelTrait) SetPixelAlpha(image,pixel,q); break; } default: break; } q+=GetPixelChannels(image); } return(SyncAuthenticPixels(image,exception)); } static MagickStatusType ReadPSDChannelRaw(Image *image,const size_t channels, const ssize_t type,ExceptionInfo *exception) { MagickStatusType status; size_t count, row_size; ssize_t y; unsigned char *pixels; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is RAW"); row_size=GetPSDRowSize(image); pixels=(unsigned char *) AcquireQuantumMemory(row_size,sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); status=MagickTrue; for (y=0; y < (ssize_t) image->rows; y++) { status=MagickFalse; count=ReadBlob(image,row_size,pixels); if (count != row_size) break; status=ReadPSDChannelPixels(image,channels,y,type,pixels,exception); if (status == MagickFalse) break; } pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(status); } static inline MagickOffsetType *ReadPSDRLEOffsets(Image *image, const PSDInfo *psd_info,const size_t size) { MagickOffsetType *offsets; ssize_t y; offsets=(MagickOffsetType *) AcquireQuantumMemory(size,sizeof(*offsets)); if(offsets != (MagickOffsetType *) NULL) { for (y=0; y < (ssize_t) size; y++) { if (psd_info->version == 1) offsets[y]=(MagickOffsetType) ReadBlobMSBShort(image); else offsets[y]=(MagickOffsetType) ReadBlobMSBLong(image); } } return offsets; } static MagickStatusType ReadPSDChannelRLE(Image *image,const PSDInfo *psd_info, const ssize_t type,MagickOffsetType *offsets,ExceptionInfo *exception) { MagickStatusType status; size_t length, row_size; ssize_t count, y; unsigned char *compact_pixels, *pixels; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is RLE compressed"); row_size=GetPSDRowSize(image); pixels=(unsigned char *) AcquireQuantumMemory(row_size,sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); length=0; for (y=0; y < (ssize_t) image->rows; y++) if ((MagickOffsetType) length < offsets[y]) length=(size_t) offsets[y]; if (length > row_size + 256) // arbitrary number { pixels=(unsigned char *) RelinquishMagickMemory(pixels); ThrowBinaryException(ResourceLimitError,"InvalidLength", image->filename); } compact_pixels=(unsigned char *) AcquireQuantumMemory(length,sizeof(*pixels)); if (compact_pixels == (unsigned char *) NULL) { pixels=(unsigned char *) RelinquishMagickMemory(pixels); ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } (void) ResetMagickMemory(compact_pixels,0,length*sizeof(*compact_pixels)); status=MagickTrue; for (y=0; y < (ssize_t) image->rows; y++) { status=MagickFalse; count=ReadBlob(image,(size_t) offsets[y],compact_pixels); if (count != (ssize_t) offsets[y]) break; count=DecodePSDPixels((size_t) offsets[y],compact_pixels, (ssize_t) (image->depth == 1 ? 123456 : image->depth),row_size,pixels); if (count != (ssize_t) row_size) break; status=ReadPSDChannelPixels(image,psd_info->channels,y,type,pixels, exception); if (status == MagickFalse) break; } compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(status); } #ifdef MAGICKCORE_ZLIB_DELEGATE static MagickStatusType ReadPSDChannelZip(Image *image,const size_t channels, const ssize_t type,const PSDCompressionType compression, const size_t compact_size,ExceptionInfo *exception) { MagickStatusType status; register unsigned char *p; size_t count, length, packet_size, row_size; ssize_t y; unsigned char *compact_pixels, *pixels; z_stream stream; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is ZIP compressed"); compact_pixels=(unsigned char *) AcquireQuantumMemory(compact_size, sizeof(*compact_pixels)); if (compact_pixels == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); packet_size=GetPSDPacketSize(image); row_size=image->columns*packet_size; count=image->rows*row_size; pixels=(unsigned char *) AcquireQuantumMemory(count,sizeof(*pixels)); if (pixels == (unsigned char *) NULL) { compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } ResetMagickMemory(&stream, 0, sizeof(z_stream)); stream.data_type=Z_BINARY; (void) ReadBlob(image,compact_size,compact_pixels); stream.next_in=(Bytef *)compact_pixels; stream.avail_in=(unsigned int) compact_size; stream.next_out=(Bytef *)pixels; stream.avail_out=(unsigned int) count; if(inflateInit(&stream) == Z_OK) { int ret; while (stream.avail_out > 0) { ret=inflate(&stream, Z_SYNC_FLUSH); if (ret != Z_OK && ret != Z_STREAM_END) { compact_pixels=(unsigned char *) RelinquishMagickMemory( compact_pixels); pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(MagickFalse); } } } if (compression == ZipWithPrediction) { p=pixels; while(count > 0) { length=image->columns; while(--length) { if (packet_size == 2) { p[2]+=p[0]+((p[1]+p[3]) >> 8); p[3]+=p[1]; } else *(p+1)+=*p; p+=packet_size; } p+=packet_size; count-=row_size; } } status=MagickTrue; p=pixels; for (y=0; y < (ssize_t) image->rows; y++) { status=ReadPSDChannelPixels(image,channels,y,type,p,exception); if (status == MagickFalse) break; p+=row_size; } compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(status); } #endif static MagickStatusType ReadPSDChannel(Image *image,const PSDInfo *psd_info, const LayerInfo* layer_info,const size_t channel, const PSDCompressionType compression,ExceptionInfo *exception) { MagickOffsetType offset; MagickStatusType status; if (layer_info->channel_info[channel].type < -1) { /* ignore user supplied layer mask */ SeekBlob(image,layer_info->channel_info[channel].size-2,SEEK_CUR); return(MagickTrue); } offset=TellBlob(image); status=MagickTrue; switch(compression) { case Raw: return(ReadPSDChannelRaw(image,psd_info->channels, layer_info->channel_info[channel].type,exception)); case RLE: { MagickOffsetType *offsets; offsets=ReadPSDRLEOffsets(image,psd_info,image->rows); if (offsets == (MagickOffsetType *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); status=ReadPSDChannelRLE(image,psd_info, layer_info->channel_info[channel].type,offsets,exception); offsets=(MagickOffsetType *) RelinquishMagickMemory(offsets); } break; case ZipWithPrediction: case ZipWithoutPrediction: #ifdef MAGICKCORE_ZLIB_DELEGATE status=ReadPSDChannelZip(image,layer_info->channels, layer_info->channel_info[channel].type,compression, layer_info->channel_info[channel].size-2,exception); #else SeekBlob(image,offset+layer_info->channel_info[channel].size-2,SEEK_SET); (void) ThrowMagickException(exception,GetMagickModule(), MissingDelegateWarning,"DelegateLibrarySupportNotBuiltIn", "'%s' (ZLIB)",image->filename); #endif break; default: SeekBlob(image,offset+layer_info->channel_info[channel].size-2,SEEK_SET); (void) ThrowMagickException(exception,GetMagickModule(),TypeWarning, "CompressionNotSupported","'%.20g'",(double) compression); break; } if (status == MagickFalse) SeekBlob(image,offset+layer_info->channel_info[channel].size-2,SEEK_SET); return(status); } static MagickStatusType ReadPSDLayer(Image *image,const PSDInfo *psd_info, LayerInfo* layer_info,ExceptionInfo *exception) { char message[MaxTextExtent]; MagickStatusType status; PSDCompressionType compression; ssize_t j; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " setting up new layer image"); (void) SetImageBackgroundColor(layer_info->image,exception); layer_info->image->compose=PSDBlendModeToCompositeOperator( layer_info->blendkey); if (layer_info->visible == MagickFalse) layer_info->image->compose=NoCompositeOp; if (psd_info->mode == CMYKMode) SetImageColorspace(layer_info->image,CMYKColorspace,exception); if ((psd_info->mode == BitmapMode) || (psd_info->mode == GrayscaleMode) || (psd_info->mode == DuotoneMode)) SetImageColorspace(layer_info->image,GRAYColorspace,exception); /* Set up some hidden attributes for folks that need them. */ (void) FormatLocaleString(message,MaxTextExtent,"%.20gld", (double) layer_info->page.x); (void) SetImageArtifact(layer_info->image,"psd:layer.x",message); (void) FormatLocaleString(message,MaxTextExtent,"%.20g", (double) layer_info->page.y); (void) SetImageArtifact(layer_info->image,"psd:layer.y",message); (void) FormatLocaleString(message,MaxTextExtent,"%.20g",(double) layer_info->opacity); (void) SetImageArtifact(layer_info->image,"psd:layer.opacity",message); (void) SetImageProperty(layer_info->image,"label",(char *) layer_info->name, exception); status=MagickTrue; for (j=0; j < (ssize_t) layer_info->channels; j++) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading data for channel %.20g",(double) j); compression=(PSDCompressionType) ReadBlobMSBShort(layer_info->image); layer_info->image->compression=ConvertPSDCompression(compression); if (layer_info->channel_info[j].type == -1) layer_info->image->alpha_trait=BlendPixelTrait; status=ReadPSDChannel(layer_info->image,psd_info,layer_info,j, compression,exception); if (status == MagickFalse) break; } if (status != MagickFalse) status=CorrectPSDOpacity(layer_info,exception); if (status != MagickFalse && layer_info->image->colorspace == CMYKColorspace) (void) NegateCMYK(layer_info->image,exception); return(status); } static MagickStatusType ReadPSDLayers(Image *image,const ImageInfo *image_info, const PSDInfo *psd_info,const MagickBooleanType skip_layers, ExceptionInfo *exception) { char type[4]; LayerInfo *layer_info; MagickSizeType size; MagickStatusType status; register ssize_t i; ssize_t count, j, number_layers; size=GetPSDSize(psd_info,image); if (size == 0) { size_t quantum; /* Skip layers & masks. */ quantum=psd_info->version == 1 ? 4UL : 8UL; (void) ReadBlobMSBLong(image); count=ReadBlob(image,4,(unsigned char *) type); if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0)) { if (DiscardBlobBytes(image,(MagickSizeType) (size-quantum-8)) == MagickFalse) ThrowBinaryException(CorruptImageError,"UnexpectedEndOfFile", image->filename); } else { count=ReadBlob(image,4,(unsigned char *) type); if ((count != 0) && (LocaleNCompare(type,"Lr16",4) == 0)) size=GetPSDSize(psd_info,image); else if (DiscardBlobBytes(image,(MagickSizeType) (size-quantum-12UL)) == MagickFalse) ThrowBinaryException(CorruptImageError,"UnexpectedEndOfFile", image->filename); } } status=MagickTrue; if (size != 0) { layer_info=(LayerInfo *) NULL; number_layers=(short) ReadBlobMSBShort(image); if (number_layers < 0) { /* The first alpha channel in the merged result contains the transparency data for the merged result. */ number_layers=MagickAbsoluteValue(number_layers); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " negative layer count corrected for"); image->alpha_trait=BlendPixelTrait; } if (skip_layers != MagickFalse) return(MagickTrue); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " image contains %.20g layers",(double) number_layers); if (number_layers == 0) ThrowBinaryException(CorruptImageError,"InvalidNumberOfLayers", image->filename); layer_info=(LayerInfo *) AcquireQuantumMemory((size_t) number_layers, sizeof(*layer_info)); if (layer_info == (LayerInfo *) NULL) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " allocation of LayerInfo failed"); ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } (void) ResetMagickMemory(layer_info,0,(size_t) number_layers* sizeof(*layer_info)); for (i=0; i < number_layers; i++) { int x, y; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading layer #%.20g",(double) i+1); layer_info[i].page.y=(int) ReadBlobMSBLong(image); layer_info[i].page.x=(int) ReadBlobMSBLong(image); y=(int) ReadBlobMSBLong(image); x=(int) ReadBlobMSBLong(image); layer_info[i].page.width=(ssize_t) (x-layer_info[i].page.x); layer_info[i].page.height=(ssize_t) (y-layer_info[i].page.y); layer_info[i].channels=ReadBlobMSBShort(image); if (layer_info[i].channels > MaxPSDChannels) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError,"MaximumChannelsExceeded", image->filename); } if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " offset(%.20g,%.20g), size(%.20g,%.20g), channels=%.20g", (double) layer_info[i].page.x,(double) layer_info[i].page.y, (double) layer_info[i].page.height,(double) layer_info[i].page.width,(double) layer_info[i].channels); for (j=0; j < (ssize_t) layer_info[i].channels; j++) { layer_info[i].channel_info[j].type=(short) ReadBlobMSBShort(image); layer_info[i].channel_info[j].size=(size_t) GetPSDSize(psd_info, image); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " channel[%.20g]: type=%.20g, size=%.20g",(double) j, (double) layer_info[i].channel_info[j].type, (double) layer_info[i].channel_info[j].size); } count=ReadBlob(image,4,(unsigned char *) type); if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0)) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer type was %.4s instead of 8BIM", type); layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError,"ImproperImageHeader", image->filename); } count=ReadBlob(image,4,(unsigned char *) layer_info[i].blendkey); layer_info[i].opacity=(Quantum) ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); layer_info[i].clipping=(unsigned char) ReadBlobByte(image); layer_info[i].flags=(unsigned char) ReadBlobByte(image); layer_info[i].visible=!(layer_info[i].flags & 0x02); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " blend=%.4s, opacity=%.20g, clipping=%s, flags=%d, visible=%s", layer_info[i].blendkey,(double) layer_info[i].opacity, layer_info[i].clipping ? "true" : "false",layer_info[i].flags, layer_info[i].visible ? "true" : "false"); (void) ReadBlobByte(image); /* filler */ size=ReadBlobMSBLong(image); if (size != 0) { MagickSizeType combined_length, length; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer contains additional info"); length=ReadBlobMSBLong(image); combined_length=length+4; if (length != 0) { /* Layer mask info. */ layer_info[i].mask.y=(int) ReadBlobMSBLong(image); layer_info[i].mask.x=(int) ReadBlobMSBLong(image); layer_info[i].mask.height=(size_t) (ReadBlobMSBLong(image)-layer_info[i].mask.y); layer_info[i].mask.width=(size_t) (ReadBlobMSBLong(image)-layer_info[i].mask.x); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer mask: offset(%.20g,%.20g), size(%.20g,%.20g), length=%.20g", (double) layer_info[i].mask.x,(double) layer_info[i].mask.y,(double) layer_info[i].mask.width, (double) layer_info[i].mask.height,(double) ((MagickOffsetType) length)-16); /* Skip over the rest of the layer mask information. */ if (DiscardBlobBytes(image,(MagickSizeType) (length-16)) == MagickFalse) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError,"UnexpectedEndOfFile", image->filename); } } length=ReadBlobMSBLong(image); combined_length+=length+4; if (length != 0) { /* Layer blending ranges info. */ if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer blending ranges: length=%.20g",(double) ((MagickOffsetType) length)); /* We read it, but don't use it... */ for (j=0; j < (ssize_t) (length); j+=8) { size_t blend_source=ReadBlobMSBLong(image); size_t blend_dest=ReadBlobMSBLong(image); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " source(%x), dest(%x)",(unsigned int) blend_source,(unsigned int) blend_dest); } } /* Layer name. */ length=(size_t) ReadBlobByte(image); combined_length+=length+1; for (j=0; j < (ssize_t) length; j++) layer_info[i].name[j]=(unsigned char) ReadBlobByte(image); layer_info[i].name[j]='\0'; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer name: %s",layer_info[i].name); /* Skip the rest of the variable data until we support it. */ if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " unsupported data: length=%.20g",(double) ((MagickOffsetType) (size-combined_length))); if (DiscardBlobBytes(image,(MagickSizeType) (size-combined_length)) == MagickFalse) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError, "UnexpectedEndOfFile",image->filename); } } } for (i=0; i < number_layers; i++) { if ((layer_info[i].page.width == 0) || (layer_info[i].page.height == 0)) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is empty"); continue; } /* Allocate layered image. */ layer_info[i].image=CloneImage(image,layer_info[i].page.width, layer_info[i].page.height,MagickFalse,exception); if (layer_info[i].image == (Image *) NULL) { layer_info=DestroyLayerInfo(layer_info,number_layers); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " allocation of image for layer %.20g failed",(double) i); ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } } if (image_info->ping == MagickFalse) { for (i=0; i < number_layers; i++) { if (layer_info[i].image == (Image *) NULL) { for (j=0; j < layer_info[i].channels; j++) { if (DiscardBlobBytes(image,(MagickSizeType) layer_info[i].channel_info[j].size) == MagickFalse) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError, "UnexpectedEndOfFile",image->filename); } } continue; } if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading data for layer %.20g",(double) i); status=ReadPSDLayer(image,psd_info,&layer_info[i],exception); if (status == MagickFalse) break; status=SetImageProgress(image,LoadImagesTag,i,(MagickSizeType) number_layers); if (status == MagickFalse) break; } } if (status != MagickFalse) { for (i=0; i < number_layers; i++) { if (layer_info[i].image == (Image *) NULL) { for (j=i; j < number_layers - 1; j++) layer_info[j] = layer_info[j+1]; number_layers--; i--; } } if (number_layers > 0) { for (i=0; i < number_layers; i++) { if (i > 0) layer_info[i].image->previous=layer_info[i-1].image; if (i < (number_layers-1)) layer_info[i].image->next=layer_info[i+1].image; layer_info[i].image->page=layer_info[i].page; } image->next=layer_info[0].image; layer_info[0].image->previous=image; } } layer_info=(LayerInfo *) RelinquishMagickMemory(layer_info); } return(status); } static MagickStatusType ReadPSDMergedImage(Image* image, const PSDInfo* psd_info,ExceptionInfo *exception) { MagickOffsetType *offsets; MagickStatusType status; PSDCompressionType compression; register ssize_t i; compression=(PSDCompressionType) ReadBlobMSBShort(image); image->compression=ConvertPSDCompression(compression); if (compression != Raw && compression != RLE) { (void) ThrowMagickException(exception,GetMagickModule(), TypeWarning,"CompressionNotSupported","'%.20g'",(double) compression); return(MagickFalse); } offsets=(MagickOffsetType *) NULL; if (compression == RLE) { offsets=ReadPSDRLEOffsets(image,psd_info,image->rows*psd_info->channels); if (offsets == (MagickOffsetType *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } status=MagickTrue; for (i=0; i < (ssize_t) psd_info->channels; i++) { if (compression == RLE) status=ReadPSDChannelRLE(image,psd_info,i,offsets+(i*image->rows), exception); else status=ReadPSDChannelRaw(image,psd_info->channels,i,exception); if (status == MagickFalse) break; status=SetImageProgress(image,LoadImagesTag,i,psd_info->channels); if (status == MagickFalse) break; } if (image->colorspace == CMYKColorspace) (void) NegateCMYK(image,exception); if (offsets != (MagickOffsetType *) NULL) offsets=(MagickOffsetType *) RelinquishMagickMemory(offsets); return(status); } static Image *ReadPSDImage(const ImageInfo *image_info, ExceptionInfo *exception) { Image *image; MagickBooleanType has_merged_image, skip_layers, status; MagickOffsetType offset; MagickSizeType length; PSDInfo psd_info; register ssize_t i; ssize_t count; unsigned char *data; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); image=AcquireImage(image_info,exception); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } /* Read image header. */ count=ReadBlob(image,4,(unsigned char *) psd_info.signature); psd_info.version=ReadBlobMSBShort(image); if ((count == 0) || (LocaleNCompare(psd_info.signature,"8BPS",4) != 0) || ((psd_info.version != 1) && (psd_info.version != 2))) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); count=ReadBlob(image,6,psd_info.reserved); psd_info.channels=ReadBlobMSBShort(image); if (psd_info.channels > MaxPSDChannels) ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded"); psd_info.rows=ReadBlobMSBLong(image); psd_info.columns=ReadBlobMSBLong(image); if ((psd_info.version == 1) && ((psd_info.rows > 30000) || (psd_info.columns > 30000))) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); psd_info.depth=ReadBlobMSBShort(image); if ((psd_info.depth != 1) && (psd_info.depth != 8) && (psd_info.depth != 16)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); psd_info.mode=ReadBlobMSBShort(image); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " Image is %.20g x %.20g with channels=%.20g, depth=%.20g, mode=%s", (double) psd_info.columns,(double) psd_info.rows,(double) psd_info.channels,(double) psd_info.depth,ModeToString((PSDImageType) psd_info.mode)); /* Initialize image. */ image->depth=psd_info.depth; image->columns=psd_info.columns; image->rows=psd_info.rows; status=SetImageExtent(image,image->columns,image->rows,exception); if (status == MagickFalse) return(DestroyImageList(image)); if (SetImageBackgroundColor(image,exception) == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } if (psd_info.mode == LabMode) SetImageColorspace(image,LabColorspace,exception); if (psd_info.mode == CMYKMode) { SetImageColorspace(image,CMYKColorspace,exception); image->alpha_trait=psd_info.channels > 4 ? BlendPixelTrait : UndefinedPixelTrait; } else if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) || (psd_info.mode == DuotoneMode)) { status=AcquireImageColormap(image,psd_info.depth != 16 ? 256 : 65536, exception); if (status == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " Image colormap allocated"); SetImageColorspace(image,GRAYColorspace,exception); image->alpha_trait=psd_info.channels > 1 ? BlendPixelTrait : UndefinedPixelTrait; } else image->alpha_trait=psd_info.channels > 3 ? BlendPixelTrait : UndefinedPixelTrait; /* Read PSD raster colormap only present for indexed and duotone images. */ length=ReadBlobMSBLong(image); if (length != 0) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading colormap"); if (psd_info.mode == DuotoneMode) { /* Duotone image data; the format of this data is undocumented. */ data=(unsigned char *) AcquireQuantumMemory((size_t) length, sizeof(*data)); if (data == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); count=ReadBlob(image,(size_t) length,data); data=(unsigned char *) RelinquishMagickMemory(data); } else { size_t number_colors; /* Read PSD raster colormap. */ number_colors=length/3; if (number_colors > 65536) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); if (AcquireImageColormap(image,number_colors,exception) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); for (i=0; i < (ssize_t) image->colors; i++) image->colormap[i].red=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); for (i=0; i < (ssize_t) image->colors; i++) image->colormap[i].green=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); for (i=0; i < (ssize_t) image->colors; i++) image->colormap[i].blue=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); image->alpha_trait=UndefinedPixelTrait; } } has_merged_image=MagickTrue; length=ReadBlobMSBLong(image); if (length != 0) { unsigned char *blocks; /* Image resources block. */ if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading image resource blocks - %.20g bytes",(double) ((MagickOffsetType) length)); blocks=(unsigned char *) AcquireQuantumMemory((size_t) length, sizeof(*blocks)); if (blocks == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); count=ReadBlob(image,(size_t) length,blocks); if ((count != (ssize_t) length) || (LocaleNCompare((char *) blocks,"8BIM",4) != 0)) { blocks=(unsigned char *) RelinquishMagickMemory(blocks); ThrowReaderException(CorruptImageError,"ImproperImageHeader"); } ParseImageResourceBlocks(image,blocks,(size_t) length,&has_merged_image, exception); blocks=(unsigned char *) RelinquishMagickMemory(blocks); } /* Layer and mask block. */ length=GetPSDSize(&psd_info,image); if (length == 8) { length=ReadBlobMSBLong(image); length=ReadBlobMSBLong(image); } offset=TellBlob(image); skip_layers=MagickFalse; if ((image_info->number_scenes == 1) && (image_info->scene == 0) && (has_merged_image != MagickFalse)) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " read composite only"); skip_layers=MagickTrue; } if (length == 0) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " image has no layers"); } else { if (ReadPSDLayers(image,image_info,&psd_info,skip_layers,exception) != MagickTrue) { (void) CloseBlob(image); image=DestroyImageList(image); return((Image *) NULL); } /* Skip the rest of the layer and mask information. */ SeekBlob(image,offset+length,SEEK_SET); } /* If we are only "pinging" the image, then we're done - so return. */ if (image_info->ping != MagickFalse) { (void) CloseBlob(image); return(GetFirstImageInList(image)); } /* Read the precombined layer, present for PSD < 4 compatibility. */ if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading the precombined layer"); if (has_merged_image != MagickFalse || GetImageListLength(image) == 1) has_merged_image=(MagickBooleanType) ReadPSDMergedImage(image,&psd_info, exception); if (has_merged_image == MagickFalse && GetImageListLength(image) == 1 && length != 0) { SeekBlob(image,offset,SEEK_SET); if (ReadPSDLayers(image,image_info,&psd_info,MagickFalse,exception) != MagickTrue) { (void) CloseBlob(image); return((Image *) NULL); } } if (has_merged_image == MagickFalse && GetImageListLength(image) > 1) { Image *merged; SetImageAlphaChannel(image,TransparentAlphaChannel,exception); image->background_color.alpha=TransparentAlpha; merged=MergeImageLayers(image,FlattenLayer,exception); ReplaceImageInList(&image,merged); } (void) CloseBlob(image); return(GetFirstImageInList(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r P S D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterPSDImage() adds properties for the PSD image format to % the list of supported formats. The properties include the image format % tag, a method to read and/or write the format, whether the format % supports the saving of more than one frame to the same file or blob, % whether the format supports native in-memory I/O, and a brief % description of the format. % % The format of the RegisterPSDImage method is: % % size_t RegisterPSDImage(void) % */ ModuleExport size_t RegisterPSDImage(void) { MagickInfo *entry; entry=SetMagickInfo("PSB"); entry->decoder=(DecodeImageHandler *) ReadPSDImage; entry->encoder=(EncodeImageHandler *) WritePSDImage; entry->magick=(IsImageFormatHandler *) IsPSD; entry->flags|=CoderSeekableStreamFlag; entry->description=ConstantString("Adobe Large Document Format"); entry->module=ConstantString("PSD"); (void) RegisterMagickInfo(entry); entry=SetMagickInfo("PSD"); entry->decoder=(DecodeImageHandler *) ReadPSDImage; entry->encoder=(EncodeImageHandler *) WritePSDImage; entry->magick=(IsImageFormatHandler *) IsPSD; entry->flags|=CoderSeekableStreamFlag; entry->description=ConstantString("Adobe Photoshop bitmap"); entry->module=ConstantString("PSD"); (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r P S D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterPSDImage() removes format registrations made by the % PSD module from the list of supported formats. % % The format of the UnregisterPSDImage method is: % % UnregisterPSDImage(void) % */ ModuleExport void UnregisterPSDImage(void) { (void) UnregisterMagickInfo("PSB"); (void) UnregisterMagickInfo("PSD"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P S D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WritePSDImage() writes an image in the Adobe Photoshop encoded image format. % % The format of the WritePSDImage method is: % % MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image, % ExceptionInfo *exception) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % % o exception: return any errors or warnings in this structure. % */ static inline ssize_t SetPSDOffset(const PSDInfo *psd_info,Image *image, const size_t offset) { if (psd_info->version == 1) return(WriteBlobMSBShort(image,(unsigned short) offset)); return(WriteBlobMSBLong(image,(unsigned short) offset)); } static inline ssize_t SetPSDSize(const PSDInfo *psd_info,Image *image, const MagickSizeType size) { if (psd_info->version == 1) return(WriteBlobMSBLong(image,(unsigned int) size)); return(WriteBlobMSBLongLong(image,size)); } static size_t PSDPackbitsEncodeImage(Image *image,const size_t length, const unsigned char *pixels,unsigned char *compact_pixels, ExceptionInfo *exception) { int count; register ssize_t i, j; register unsigned char *q; unsigned char *packbits; /* Compress pixels with Packbits encoding. */ assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(pixels != (unsigned char *) NULL); packbits=(unsigned char *) AcquireQuantumMemory(128UL,sizeof(*packbits)); if (packbits == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); q=compact_pixels; for (i=(ssize_t) length; i != 0; ) { switch (i) { case 1: { i--; *q++=(unsigned char) 0; *q++=(*pixels); break; } case 2: { i-=2; *q++=(unsigned char) 1; *q++=(*pixels); *q++=pixels[1]; break; } case 3: { i-=3; if ((*pixels == *(pixels+1)) && (*(pixels+1) == *(pixels+2))) { *q++=(unsigned char) ((256-3)+1); *q++=(*pixels); break; } *q++=(unsigned char) 2; *q++=(*pixels); *q++=pixels[1]; *q++=pixels[2]; break; } default: { if ((*pixels == *(pixels+1)) && (*(pixels+1) == *(pixels+2))) { /* Packed run. */ count=3; while (((ssize_t) count < i) && (*pixels == *(pixels+count))) { count++; if (count >= 127) break; } i-=count; *q++=(unsigned char) ((256-count)+1); *q++=(*pixels); pixels+=count; break; } /* Literal run. */ count=0; while ((*(pixels+count) != *(pixels+count+1)) || (*(pixels+count+1) != *(pixels+count+2))) { packbits[count+1]=pixels[count]; count++; if (((ssize_t) count >= (i-3)) || (count >= 127)) break; } i-=count; *packbits=(unsigned char) (count-1); for (j=0; j <= (ssize_t) count; j++) *q++=packbits[j]; pixels+=count; break; } } } *q++=(unsigned char) 128; /* EOD marker */ packbits=(unsigned char *) RelinquishMagickMemory(packbits); return((size_t) (q-compact_pixels)); } static void WritePackbitsLength(const PSDInfo *psd_info, const ImageInfo *image_info,Image *image,Image *next_image, unsigned char *compact_pixels,const QuantumType quantum_type, ExceptionInfo *exception) { QuantumInfo *quantum_info; register const Quantum *p; size_t length, packet_size; ssize_t y; unsigned char *pixels; if (next_image->depth > 8) next_image->depth=16; packet_size=next_image->depth > 8UL ? 2UL : 1UL; (void) packet_size; quantum_info=AcquireQuantumInfo(image_info,image); pixels=GetQuantumPixels(quantum_info); for (y=0; y < (ssize_t) next_image->rows; y++) { p=GetVirtualPixels(next_image,0,y,next_image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info, quantum_type,pixels,exception); length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels, exception); (void) SetPSDOffset(psd_info,image,length); } quantum_info=DestroyQuantumInfo(quantum_info); } static void WriteOneChannel(const PSDInfo *psd_info,const ImageInfo *image_info, Image *image,Image *next_image,unsigned char *compact_pixels, const QuantumType quantum_type,const MagickBooleanType compression_flag, ExceptionInfo *exception) { int y; MagickBooleanType monochrome; QuantumInfo *quantum_info; register const Quantum *p; register ssize_t i; size_t length, packet_size; unsigned char *pixels; (void) psd_info; if ((compression_flag != MagickFalse) && (next_image->compression != RLECompression)) (void) WriteBlobMSBShort(image,0); if (next_image->depth > 8) next_image->depth=16; monochrome=IsImageMonochrome(image,exception) && (image->depth == 1) ? MagickTrue : MagickFalse; packet_size=next_image->depth > 8UL ? 2UL : 1UL; (void) packet_size; quantum_info=AcquireQuantumInfo(image_info,image); pixels=GetQuantumPixels(quantum_info); for (y=0; y < (ssize_t) next_image->rows; y++) { p=GetVirtualPixels(next_image,0,y,next_image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info, quantum_type,pixels,exception); if (monochrome != MagickFalse) for (i=0; i < (ssize_t) length; i++) pixels[i]=(~pixels[i]); if (next_image->compression != RLECompression) (void) WriteBlob(image,length,pixels); else { length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels, exception); (void) WriteBlob(image,length,compact_pixels); } } quantum_info=DestroyQuantumInfo(quantum_info); } static MagickBooleanType WriteImageChannels(const PSDInfo *psd_info, const ImageInfo *image_info,Image *image,Image *next_image, const MagickBooleanType separate,ExceptionInfo *exception) { size_t channels, packet_size; unsigned char *compact_pixels; /* Write uncompressed pixels as separate planes. */ channels=1; packet_size=next_image->depth > 8UL ? 2UL : 1UL; compact_pixels=(unsigned char *) NULL; if (next_image->compression == RLECompression) { compact_pixels=(unsigned char *) AcquireQuantumMemory(2*channels* next_image->columns,packet_size*sizeof(*compact_pixels)); if (compact_pixels == (unsigned char *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); } if (IsImageGray(next_image,exception) != MagickFalse) { if (next_image->compression == RLECompression) { /* Packbits compression. */ (void) WriteBlobMSBShort(image,1); WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,GrayQuantum,exception); if (next_image->alpha_trait != UndefinedPixelTrait) WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,AlphaQuantum,exception); } WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, GrayQuantum,MagickTrue,exception); if (next_image->alpha_trait != UndefinedPixelTrait) WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, AlphaQuantum,separate,exception); (void) SetImageProgress(image,SaveImagesTag,0,1); } else if (next_image->storage_class == PseudoClass) { if (next_image->compression == RLECompression) { /* Packbits compression. */ (void) WriteBlobMSBShort(image,1); WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,IndexQuantum,exception); if (next_image->alpha_trait != UndefinedPixelTrait) WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,AlphaQuantum,exception); } WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, IndexQuantum,MagickTrue,exception); if (next_image->alpha_trait != UndefinedPixelTrait) WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, AlphaQuantum,separate,exception); (void) SetImageProgress(image,SaveImagesTag,0,1); } else { if (next_image->colorspace == CMYKColorspace) (void) NegateCMYK(next_image,exception); if (next_image->compression == RLECompression) { /* Packbits compression. */ (void) WriteBlobMSBShort(image,1); WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,RedQuantum,exception); WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,GreenQuantum,exception); WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,BlueQuantum,exception); if (next_image->colorspace == CMYKColorspace) WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,BlackQuantum,exception); if (next_image->alpha_trait != UndefinedPixelTrait) WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,AlphaQuantum,exception); } (void) SetImageProgress(image,SaveImagesTag,0,6); WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, RedQuantum,MagickTrue,exception); (void) SetImageProgress(image,SaveImagesTag,1,6); WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, GreenQuantum,separate,exception); (void) SetImageProgress(image,SaveImagesTag,2,6); WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, BlueQuantum,separate,exception); (void) SetImageProgress(image,SaveImagesTag,3,6); if (next_image->colorspace == CMYKColorspace) WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, BlackQuantum,separate,exception); (void) SetImageProgress(image,SaveImagesTag,4,6); if (next_image->alpha_trait != UndefinedPixelTrait) WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, AlphaQuantum,separate,exception); (void) SetImageProgress(image,SaveImagesTag,5,6); if (next_image->colorspace == CMYKColorspace) (void) NegateCMYK(next_image,exception); } if (next_image->compression == RLECompression) compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); return(MagickTrue); } static void WritePascalString(Image* inImage,const char *inString,int inPad) { size_t length; register ssize_t i; /* Max length is 255. */ length=(strlen(inString) > 255UL ) ? 255UL : strlen(inString); if (length == 0) (void) WriteBlobByte(inImage,0); else { (void) WriteBlobByte(inImage,(unsigned char) length); (void) WriteBlob(inImage, length, (const unsigned char *) inString); } length++; if ((length % inPad) == 0) return; for (i=0; i < (ssize_t) (inPad-(length % inPad)); i++) (void) WriteBlobByte(inImage,0); } static void WriteResolutionResourceBlock(Image *image) { double x_resolution, y_resolution; unsigned short units; if (image->units == PixelsPerCentimeterResolution) { x_resolution=2.54*65536.0*image->resolution.x+0.5; y_resolution=2.54*65536.0*image->resolution.y+0.5; units=2; } else { x_resolution=65536.0*image->resolution.x+0.5; y_resolution=65536.0*image->resolution.y+0.5; units=1; } (void) WriteBlob(image,4,(const unsigned char *) "8BIM"); (void) WriteBlobMSBShort(image,0x03ED); (void) WriteBlobMSBShort(image,0); (void) WriteBlobMSBLong(image,16); /* resource size */ (void) WriteBlobMSBLong(image,(unsigned int) (x_resolution+0.5)); (void) WriteBlobMSBShort(image,units); /* horizontal resolution unit */ (void) WriteBlobMSBShort(image,units); /* width unit */ (void) WriteBlobMSBLong(image,(unsigned int) (y_resolution+0.5)); (void) WriteBlobMSBShort(image,units); /* vertical resolution unit */ (void) WriteBlobMSBShort(image,units); /* height unit */ } static void RemoveICCProfileFromResourceBlock(StringInfo *bim_profile) { register const unsigned char *p; size_t length; unsigned char *datum; unsigned int count, long_sans; unsigned short id, short_sans; length=GetStringInfoLength(bim_profile); if (length < 16) return; datum=GetStringInfoDatum(bim_profile); for (p=datum; (p >= datum) && (p < (datum+length-16)); ) { register unsigned char *q; q=(unsigned char *) p; if (LocaleNCompare((const char *) p,"8BIM",4) != 0) break; p=PushLongPixel(MSBEndian,p,&long_sans); p=PushShortPixel(MSBEndian,p,&id); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushLongPixel(MSBEndian,p,&count); if (id == 0x0000040f) { (void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length- (PSDQuantum(count)+12)-(q-datum)); SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12)); break; } p+=count; if ((count & 0x01) != 0) p++; } } static void RemoveResolutionFromResourceBlock(StringInfo *bim_profile) { register const unsigned char *p; size_t length; unsigned char *datum; unsigned int count, long_sans; unsigned short id, short_sans; length=GetStringInfoLength(bim_profile); if (length < 16) return; datum=GetStringInfoDatum(bim_profile); for (p=datum; (p >= datum) && (p < (datum+length-16)); ) { register unsigned char *q; q=(unsigned char *) p; if (LocaleNCompare((const char *) p,"8BIM",4) != 0) break; p=PushLongPixel(MSBEndian,p,&long_sans); p=PushShortPixel(MSBEndian,p,&id); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushLongPixel(MSBEndian,p,&count); if ((id == 0x000003ed) && (PSDQuantum(count) < (ssize_t) (length-12))) { (void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length- (PSDQuantum(count)+12)-(q-datum)); SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12)); break; } p+=count; if ((count & 0x01) != 0) p++; } } static MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image, ExceptionInfo *exception) { const char *property; const StringInfo *icc_profile; Image *base_image, *next_image; MagickBooleanType status; PSDInfo psd_info; register ssize_t i; size_t channel_size, channelLength, layer_count, layer_info_size, length, num_channels, packet_size, rounded_layer_info_size; StringInfo *bim_profile; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); packet_size=(size_t) (image->depth > 8 ? 6 : 3); if (image->alpha_trait != UndefinedPixelTrait) packet_size+=image->depth > 8 ? 2 : 1; psd_info.version=1; if ((LocaleCompare(image_info->magick,"PSB") == 0) || (image->columns > 30000) || (image->rows > 30000)) psd_info.version=2; (void) WriteBlob(image,4,(const unsigned char *) "8BPS"); (void) WriteBlobMSBShort(image,psd_info.version); /* version */ for (i=1; i <= 6; i++) (void) WriteBlobByte(image, 0); /* 6 bytes of reserved */ if (IsImageGray(image,exception) != MagickFalse) num_channels=(image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL); else if (image->storage_class == PseudoClass) num_channels=(image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL); else { if (image->colorspace != CMYKColorspace) num_channels=(image->alpha_trait != UndefinedPixelTrait ? 4UL : 3UL); else num_channels=(image->alpha_trait != UndefinedPixelTrait ? 5UL : 4UL); } (void) WriteBlobMSBShort(image,(unsigned short) num_channels); (void) WriteBlobMSBLong(image,(unsigned int) image->rows); (void) WriteBlobMSBLong(image,(unsigned int) image->columns); if (IsImageGray(image,exception) != MagickFalse) { MagickBooleanType monochrome; /* Write depth & mode. */ monochrome=IsImageMonochrome(image,exception) && (image->depth == 1) ? MagickTrue : MagickFalse; (void) WriteBlobMSBShort(image,(unsigned short) (monochrome != MagickFalse ? 1 : image->depth > 8 ? 16 : 8)); (void) WriteBlobMSBShort(image,(unsigned short) (monochrome != MagickFalse ? BitmapMode : GrayscaleMode)); } else { (void) WriteBlobMSBShort(image,(unsigned short) (image->storage_class == PseudoClass ? 8 : image->depth > 8 ? 16 : 8)); if (((image_info->colorspace != UndefinedColorspace) || (image->colorspace != CMYKColorspace)) && (image_info->colorspace != CMYKColorspace)) { (void) TransformImageColorspace(image,sRGBColorspace,exception); (void) WriteBlobMSBShort(image,(unsigned short) (image->storage_class == PseudoClass ? IndexedMode : RGBMode)); } else { if (image->colorspace != CMYKColorspace) (void) TransformImageColorspace(image,CMYKColorspace,exception); (void) WriteBlobMSBShort(image,CMYKMode); } } if ((IsImageGray(image,exception) != MagickFalse) || (image->storage_class == DirectClass) || (image->colors > 256)) (void) WriteBlobMSBLong(image,0); else { /* Write PSD raster colormap. */ (void) WriteBlobMSBLong(image,768); for (i=0; i < (ssize_t) image->colors; i++) (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].red)); for ( ; i < 256; i++) (void) WriteBlobByte(image,0); for (i=0; i < (ssize_t) image->colors; i++) (void) WriteBlobByte(image,ScaleQuantumToChar( image->colormap[i].green)); for ( ; i < 256; i++) (void) WriteBlobByte(image,0); for (i=0; i < (ssize_t) image->colors; i++) (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].blue)); for ( ; i < 256; i++) (void) WriteBlobByte(image,0); } /* Image resource block. */ length=28; /* 0x03EB */ bim_profile=(StringInfo *) GetImageProfile(image,"8bim"); icc_profile=GetImageProfile(image,"icc"); if (bim_profile != (StringInfo *) NULL) { bim_profile=CloneStringInfo(bim_profile); if (icc_profile != (StringInfo *) NULL) RemoveICCProfileFromResourceBlock(bim_profile); RemoveResolutionFromResourceBlock(bim_profile); length+=PSDQuantum(GetStringInfoLength(bim_profile)); } if (icc_profile != (const StringInfo *) NULL) length+=PSDQuantum(GetStringInfoLength(icc_profile))+12; (void) WriteBlobMSBLong(image,(unsigned int) length); WriteResolutionResourceBlock(image); if (bim_profile != (StringInfo *) NULL) { (void) WriteBlob(image,GetStringInfoLength(bim_profile), GetStringInfoDatum(bim_profile)); bim_profile=DestroyStringInfo(bim_profile); } if (icc_profile != (StringInfo *) NULL) { (void) WriteBlob(image,4,(const unsigned char *) "8BIM"); (void) WriteBlobMSBShort(image,0x0000040F); (void) WriteBlobMSBShort(image,0); (void) WriteBlobMSBLong(image,(unsigned int) GetStringInfoLength( icc_profile)); (void) WriteBlob(image,GetStringInfoLength(icc_profile), GetStringInfoDatum(icc_profile)); if ((MagickOffsetType) GetStringInfoLength(icc_profile) != PSDQuantum(GetStringInfoLength(icc_profile))) (void) WriteBlobByte(image,0); } layer_count=0; layer_info_size=2; base_image=GetNextImageInList(image); if ((image->alpha_trait != UndefinedPixelTrait) && (base_image == (Image *) NULL)) base_image=image; next_image=base_image; while ( next_image != NULL ) { packet_size=next_image->depth > 8 ? 2UL : 1UL; if (IsImageGray(next_image,exception) != MagickFalse) num_channels=next_image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL; else if (next_image->storage_class == PseudoClass) num_channels=next_image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL; else if (next_image->colorspace != CMYKColorspace) num_channels=next_image->alpha_trait != UndefinedPixelTrait ? 4UL : 3UL; else num_channels=next_image->alpha_trait != UndefinedPixelTrait ? 5UL : 4UL; channelLength=(size_t) (next_image->columns*next_image->rows*packet_size+2); layer_info_size+=(size_t) (4*4+2+num_channels*6+(psd_info.version == 1 ? 8 : 16)+4*1+4+num_channels*channelLength); property=(const char *) GetImageProperty(next_image,"label",exception); if (property == (const char *) NULL) layer_info_size+=16; else { size_t length; length=strlen(property); layer_info_size+=8+length+(4-(length % 4)); } layer_count++; next_image=GetNextImageInList(next_image); } if (layer_count == 0) (void) SetPSDSize(&psd_info,image,0); else { CompressionType compression; (void) SetPSDSize(&psd_info,image,layer_info_size+ (psd_info.version == 1 ? 8 : 16)); if ((layer_info_size/2) != ((layer_info_size+1)/2)) rounded_layer_info_size=layer_info_size+1; else rounded_layer_info_size=layer_info_size; (void) SetPSDSize(&psd_info,image,rounded_layer_info_size); if (base_image->alpha_trait != UndefinedPixelTrait) (void) WriteBlobMSBShort(image,-(unsigned short) layer_count); else (void) WriteBlobMSBShort(image,(unsigned short) layer_count); layer_count=1; compression=base_image->compression; for (next_image=base_image; next_image != NULL; ) { next_image->compression=NoCompression; (void) WriteBlobMSBLong(image,(unsigned int) next_image->page.y); (void) WriteBlobMSBLong(image,(unsigned int) next_image->page.x); (void) WriteBlobMSBLong(image,(unsigned int) (next_image->page.y+ next_image->rows)); (void) WriteBlobMSBLong(image,(unsigned int) (next_image->page.x+ next_image->columns)); packet_size=next_image->depth > 8 ? 2UL : 1UL; channel_size=(unsigned int) ((packet_size*next_image->rows* next_image->columns)+2); if ((IsImageGray(next_image,exception) != MagickFalse) || (next_image->storage_class == PseudoClass)) { (void) WriteBlobMSBShort(image,(unsigned short) (next_image->alpha_trait != UndefinedPixelTrait ? 2 : 1)); (void) WriteBlobMSBShort(image,0); (void) SetPSDSize(&psd_info,image,channel_size); if (next_image->alpha_trait != UndefinedPixelTrait) { (void) WriteBlobMSBShort(image,(unsigned short) -1); (void) SetPSDSize(&psd_info,image,channel_size); } } else if (next_image->colorspace != CMYKColorspace) { (void) WriteBlobMSBShort(image,(unsigned short) (next_image->alpha_trait != UndefinedPixelTrait ? 4 : 3)); (void) WriteBlobMSBShort(image,0); (void) SetPSDSize(&psd_info,image,channel_size); (void) WriteBlobMSBShort(image,1); (void) SetPSDSize(&psd_info,image,channel_size); (void) WriteBlobMSBShort(image,2); (void) SetPSDSize(&psd_info,image,channel_size); if (next_image->alpha_trait != UndefinedPixelTrait) { (void) WriteBlobMSBShort(image,(unsigned short) -1); (void) SetPSDSize(&psd_info,image,channel_size); } } else { (void) WriteBlobMSBShort(image,(unsigned short) (next_image->alpha_trait ? 5 : 4)); (void) WriteBlobMSBShort(image,0); (void) SetPSDSize(&psd_info,image,channel_size); (void) WriteBlobMSBShort(image,1); (void) SetPSDSize(&psd_info,image,channel_size); (void) WriteBlobMSBShort(image,2); (void) SetPSDSize(&psd_info,image,channel_size); (void) WriteBlobMSBShort(image,3); (void) SetPSDSize(&psd_info,image,channel_size); if (next_image->alpha_trait) { (void) WriteBlobMSBShort(image,(unsigned short) -1); (void) SetPSDSize(&psd_info,image,channel_size); } } (void) WriteBlob(image,4,(const unsigned char *) "8BIM"); (void) WriteBlob(image,4,(const unsigned char *) CompositeOperatorToPSDBlendMode(next_image->compose)); (void) WriteBlobByte(image,255); /* layer opacity */ (void) WriteBlobByte(image,0); (void) WriteBlobByte(image,next_image->compose==NoCompositeOp ? 1 << 0x02 : 1); /* layer properties - visible, etc. */ (void) WriteBlobByte(image,0); property=(const char *) GetImageProperty(next_image,"label",exception); if (property == (const char *) NULL) { char layer_name[MaxTextExtent]; (void) WriteBlobMSBLong(image,16); (void) WriteBlobMSBLong(image,0); (void) WriteBlobMSBLong(image,0); (void) FormatLocaleString(layer_name,MaxTextExtent,"L%04ld",(long) layer_count++); WritePascalString(image,layer_name,4); } else { size_t length; length=strlen(property); (void) WriteBlobMSBLong(image,(unsigned int) (length+(4- (length % 4))+8)); (void) WriteBlobMSBLong(image,0); (void) WriteBlobMSBLong(image,0); WritePascalString(image,property,4); } next_image=GetNextImageInList(next_image); } /* Now the image data! */ next_image=base_image; while (next_image != NULL) { status=WriteImageChannels(&psd_info,image_info,image,next_image, MagickTrue,exception); next_image=GetNextImageInList(next_image); } (void) WriteBlobMSBLong(image,0); /* user mask data */ base_image->compression=compression; } /* Write composite image. */ status=WriteImageChannels(&psd_info,image_info,image,image,MagickFalse, exception); (void) CloseBlob(image); return(status); }