/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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 % % John Cristy % % Leonard Rosenthol % % July 1992 % % % % % % Copyright 1999-2012 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/colormap.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" /* Define declaractions. */ #define MaxPSDChannels 56 #define PSDQuantum(x) (((ssize_t) (x)+1) & -2) /* Enumerated declaractions. */ 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, color_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 OverCompositeOp: blend_mode = "norm"; break; case MultiplyCompositeOp: blend_mode = "mul "; break; case DissolveCompositeOp: blend_mode = "diss"; break; case DifferenceCompositeOp: blend_mode = "diff"; break; case DarkenCompositeOp: blend_mode = "dark"; break; case LightenCompositeOp: blend_mode = "lite"; break; case HueCompositeOp: blend_mode = "hue "; break; case SaturateCompositeOp: blend_mode = "sat "; break; case ColorizeCompositeOp: blend_mode = "colr"; break; case LuminizeCompositeOp: blend_mode = "lum "; break; case ScreenCompositeOp: blend_mode = "scrn"; break; case OverlayCompositeOp: blend_mode = "over"; break; default: blend_mode = "norm"; } return(blend_mode); } 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) { 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); ) { length=(*compact_pixels++); packets--; if (length == 128) continue; if (length > 128) { length=256-length+1; pixel=(*compact_pixels++); packets--; for (j=0; j < (ssize_t) length; j++) { switch (depth) { case 1: { *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; i+=8; break; } case 4: { *pixels++=(unsigned char) ((pixel >> 4) & 0xff); *pixels++=(unsigned char) ((pixel & 0x0f) & 0xff); i+=2; break; } case 2: { *pixels++=(unsigned char) ((pixel >> 6) & 0x03); *pixels++=(unsigned char) ((pixel >> 4) & 0x03); *pixels++=(unsigned char) ((pixel >> 2) & 0x03); *pixels++=(unsigned char) ((pixel & 0x03) & 0x03); i+=4; break; } default: { *pixels++=(unsigned char) pixel; i++; break; } } } continue; } length++; for (j=0; j < (ssize_t) length; j++) { switch (depth) { case 1: { *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; i+=8; break; } case 4: { *pixels++=(*compact_pixels >> 4) & 0xff; *pixels++=(*compact_pixels & 0x0f) & 0xff; i+=2; break; } case 2: { *pixels++=(*compact_pixels >> 6) & 0x03; *pixels++=(*compact_pixels >> 4) & 0x03; *pixels++=(*compact_pixels >> 2) & 0x03; *pixels++=(*compact_pixels & 0x03) & 0x03; i+=4; break; } default: { *pixels++=(*compact_pixels); i++; break; } } compact_pixels++; } } return(i); } static inline MagickOffsetType GetPSDOffset(PSDInfo *psd_info,Image *image) { if (psd_info->version == 1) return((MagickOffsetType) ReadBlobMSBShort(image)); return((MagickOffsetType) ReadBlobMSBLong(image)); } static inline MagickSizeType GetPSDSize(PSDInfo *psd_info,Image *image) { if (psd_info->version == 1) return((MagickSizeType) ReadBlobMSBLong(image)); return((MagickSizeType) ReadBlobMSBLongLong(image)); } static inline ssize_t MagickAbsoluteValue(const ssize_t x) { if (x < 0) return(-x); return(x); } 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 MagickBooleanType ParseImageResourceBlocks(Image *image, const unsigned char *blocks,size_t length,ExceptionInfo *exception) { const unsigned char *p; StringInfo *profile; unsigned int count, long_sans; unsigned short id, short_sans; if (length < 16) return(MagickFalse); 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); 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); break; } default: { p+=count; break; } } if ((count & 0x01) != 0) p++; } return(MagickTrue); } 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(OverCompositeOp); if (LocaleNCompare(mode,"sLit",4) == 0) return(OverCompositeOp); if (LocaleNCompare(mode,"smud",4) == 0) return(OverCompositeOp); if (LocaleNCompare(mode,"div ",4) == 0) return(OverCompositeOp); if (LocaleNCompare(mode,"idiv",4) == 0) return(OverCompositeOp); return(OverCompositeOp); } static MagickBooleanType ReadPSDLayer(Image *image,const size_t channels, const ssize_t type,const MagickOffsetType *offsets,ExceptionInfo *exception) { ColorspaceType colorspace; Quantum pixel; register const unsigned char *p; register Quantum *q; register ssize_t x; size_t packet_size; ssize_t count, y; unsigned char *compact_pixels, *pixels; unsigned short nibble; packet_size=1; if (image->storage_class == PseudoClass) { if (image->colors > 256) packet_size++; else if (image->depth > 8) packet_size++; } else if (image->depth > 8) packet_size++; pixels=(unsigned char *) AcquireQuantumMemory(image->columns+256,packet_size* sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); (void) ResetMagickMemory(pixels,0,image->columns*packet_size*sizeof(*pixels)); compact_pixels=(unsigned char *) NULL; if (image->compression == RLECompression) { size_t length; length=0; for (y=0; y < (ssize_t) image->rows; y++) if ((MagickOffsetType) length < offsets[y]) length=(size_t) offsets[y]; compact_pixels=(unsigned char *) AcquireQuantumMemory(length, sizeof(*pixels)); if (compact_pixels == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); (void) ResetMagickMemory(compact_pixels,0,length*sizeof(*compact_pixels)); } colorspace=image->colorspace; for (y=0; y < (ssize_t) image->rows; y++) { if (image->depth == 1) { if (image->compression != RLECompression) count=ReadBlob(image,(image->columns+7)/8,pixels); else { 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) 123456,(size_t) ((image->columns+7)/8),pixels); } if (count < (ssize_t) ((image->columns+7)/8)) break; } else { if (image->compression != RLECompression) count=ReadBlob(image,packet_size*image->columns,pixels); else { 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,packet_size*image->columns,pixels); } if (count < (ssize_t) (packet_size*image->columns)) break; } q=GetAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (Quantum *) NULL) break; p=pixels; 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); else SetPixelRed(image,pixel,q); if (image->storage_class == PseudoClass) { if (packet_size == 1) SetPixelIndex(image,ScaleQuantumToChar(pixel),q); else SetPixelIndex(image,ScaleQuantumToShort(pixel),q); SetPixelInfoPixel(image,image->colormap+(ssize_t) GetPixelIndex(image,q),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); SetPixelInfoPixel(image,image->colormap+(ssize_t) GetPixelIndex(image,q),q); q+=GetPixelChannels(image); x++; } } } 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->matte != MagickFalse) SetPixelAlpha(image,pixel,q); break; } case 4: { if ((IsRGBColorspace(image->colorspace) == MagickTrue) && (channels > 3)) break; if (image->matte != MagickFalse) SetPixelAlpha(image,pixel,q); break; } default: break; } q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } image->colorspace=colorspace; if (image->compression == RLECompression) compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(MagickTrue); } static Image *ReadPSDImage(const ImageInfo *image_info,ExceptionInfo *exception) { char message[MaxTextExtent], type[4]; Image *image; LayerInfo *layer_info; MagickBooleanType check_background, status; MagickOffsetType offset, *offsets; MagickSizeType combinedlength, length, size; PSDInfo psd_info; register Quantum *q; register ssize_t i, x; size_t mask_size, skip_first_alpha = 0; ssize_t count, j, number_layers, y; unsigned char *data; unsigned short compression; /* 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); psd_info.color_channels=psd_info.channels; 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; if (SetImageBackgroundColor(image,exception) == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } image->matte=psd_info.channels >= 4 ? MagickTrue : MagickFalse; if (psd_info.mode == LabMode) image->colorspace=LabColorspace; psd_info.color_channels=3; if (psd_info.mode == CMYKMode) { psd_info.color_channels=4; image->colorspace=CMYKColorspace; image->matte=psd_info.channels >= 5 ? MagickTrue : MagickFalse; } if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) || (psd_info.mode == DuotoneMode)) { psd_info.color_channels=1; if (AcquireImageColormap(image,256,exception) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); image->matte=psd_info.channels >= 2 ? MagickTrue : MagickFalse; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " Image colormap allocated"); image->colorspace=GRAYColorspace; } image->matte=MagickFalse; /* 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 { /* Read PSD raster colormap. */ if (AcquireImageColormap(image,(size_t) (length/3),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->matte=MagickFalse; } } 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"); } (void) ParseImageResourceBlocks(image,blocks,(size_t) length, exception); blocks=(unsigned char *) RelinquishMagickMemory(blocks); } /* Layer and mask block. */ layer_info=(LayerInfo *) NULL; number_layers=1; length=GetPSDSize(&psd_info,image); if (length == 8) { length=ReadBlobMSBLong(image); length=ReadBlobMSBLong(image); } check_background=MagickFalse; if ((image_info->number_scenes == 1) && (image_info->scene == 0)) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " read composite only"); check_background=MagickTrue; } if (length == 0) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " image has no layers"); } else { offset=TellBlob(image); size=GetPSDSize(&psd_info,image); if (size == 0) { size_t quantum; unsigned long tag; /* Skip layers & masks. */ quantum=psd_info.version == 1 ? 4UL : 8UL; tag=ReadBlobMSBLong(image); (void) tag; count=ReadBlob(image,4,(unsigned char *) type); if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0)) { if (DiscardBlobBytes(image,length-quantum-8) == MagickFalse) ThrowFileException(exception,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,length-quantum-12) == MagickFalse) ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); } } if (size != 0) { image->matte=psd_info.channels > psd_info.color_channels ? MagickTrue : MagickFalse; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), image->matte ? " image has matte" : " image has no matte"); MagickOffsetType layer_offset; layer_offset=offset+length; number_layers=(short) ReadBlobMSBShort(image); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " image contains %.20g layers",(double) number_layers); if (number_layers < 0) { /* Weird hack in PSD format to ignore first alpha channel. */ skip_first_alpha=1; (void) skip_first_alpha; number_layers=MagickAbsoluteValue(number_layers); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " negative layer count corrected for"); } 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"); ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); } (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 (check_background == MagickTrue) { size_t quantum; if (layer_info[i].channels == psd_info.color_channels) image->matte=MagickFalse; quantum=psd_info.version == 1 ? 4UL : 8UL; if (DiscardBlobBytes(image,length-20-quantum) == MagickFalse) ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } if (layer_info[i].channels > MaxPSDChannels) ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded"); 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); ThrowReaderException(CorruptImageError,"ImproperImageHeader"); } 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 */ combinedlength=0; size=ReadBlobMSBLong(image); if (size != 0) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer contains additional info"); length=ReadBlobMSBLong(image); 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,length-16) == MagickFalse) ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); } combinedlength+=length+4; /* +4 for length */ length=ReadBlobMSBLong(image); 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); } } combinedlength+=length+4; /* Layer name. */ length=(size_t) ReadBlobByte(image); 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); combinedlength+=length+1; #if 0 /* still in development */ /* Adjustment layers and other stuff... */ { char alsig[4], alkey[4]; count=ReadBlob(image,4,alsig); if ((count == 0) || (LocaleNCompare(alsig,"8BIM",4) != 0)) { if (debug != MagickFalse) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule()," adjustment layer type was %.4s instead of 8BIM", alsig); } ThrowReaderException(CorruptImageError,"ImproperImageHeader"); } count=ReadBlob(image,4,alkey); length=ReadBlobMSBLong(image); if (debug != MagickFalse) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " adjustment layer key: %.4s, data length=%.20g", alkey, (double) length); } if ( length ) { for (j=0; j < (ssize_t) (length); j++) (void) ReadBlobByte(image); } } combinedlength += 12 + length; /* sig, key, length + the actual length*/ #endif /* 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-combinedlength))); if (DiscardBlobBytes(image,size-combinedlength) == MagickFalse) ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); } /* Allocate layered image. */ layer_info[i].image=CloneImage(image,layer_info[i].page.width, layer_info[i].page.height == ~0U ? 1 : layer_info[i].page.height, MagickFalse,exception); if (layer_info[i].image == (Image *) NULL) { for (j=0; j < i; j++) layer_info[j].image=DestroyImage(layer_info[j].image); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " allocation of image for layer %.20g failed",(double) i); ThrowReaderException(ResourceLimitError, "MemoryAllocationFailed"); } if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " setting up new layer image"); if (image_info->ping != MagickFalse) (void) SetImageBackgroundColor(layer_info[i].image,exception); layer_info[i].image->compose= PSDBlendModeToCompositeOperator(layer_info[i].blendkey); if (layer_info[i].visible == MagickFalse) layer_info[i].image->compose=NoCompositeOp; if (psd_info.mode == CMYKMode) layer_info[i].image->colorspace=CMYKColorspace; if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) || (psd_info.mode == DuotoneMode)) layer_info[i].image->colorspace=GRAYColorspace; for (j=0; j < (ssize_t) layer_info[i].channels; j++) if (layer_info[i].channel_info[j].type == -1) layer_info[i].image->matte=MagickTrue; /* Set up some hidden attributes for folks that need them. */ (void) FormatLocaleString(message,MaxTextExtent,"%.20gld", (double) layer_info[i].page.x); (void) SetImageArtifact(layer_info[i].image,"psd:layer.x",message); (void) FormatLocaleString(message,MaxTextExtent,"%.20g", (double) layer_info[i].page.y); (void) SetImageArtifact(layer_info[i].image,"psd:layer.y",message); (void) FormatLocaleString(message,MaxTextExtent,"%.20g", (double) layer_info[i].opacity); (void) SetImageArtifact(layer_info[i].image,"psd:layer.opacity", message); (void) SetImageProperty(layer_info[i].image,"label",(char *) layer_info[i].name,exception); } if (check_background == MagickFalse) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading image data for layers"); /* Read pixel data for each layer. */ for (i=0; i < number_layers; i++) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading data for layer %.20g",(double) i); for (j=0; j < (ssize_t) layer_info[i].channels; j++) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading data for channel %.20g",(double) j); #if 1 if (layer_info[i].channel_info[j].size <= (2*layer_info[i].image->rows)) { ssize_t k; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is empty"); /* A layer without data. */ for (k=0; k < (ssize_t) layer_info[i].channel_info[j].size; k++) (void) ReadBlobByte(layer_info[i].image); continue; } #endif offsets=(MagickOffsetType *) NULL; layer_info[i].image->compression=NoCompression; compression=ReadBlobMSBShort(layer_info[i].image); if ((layer_info[i].page.height != 0) && (layer_info[i].page.width != 0)) { if (compression == 1) { /* Read RLE compressed data. */ layer_info[i].image->compression=RLECompression; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is RLE compressed"); offsets=(MagickOffsetType *) AcquireQuantumMemory( layer_info[i].image->rows,sizeof(*offsets)); if (offsets == (MagickOffsetType *) NULL) ThrowReaderException(ResourceLimitError, "MemoryAllocationFailed"); for (y=0; y < (ssize_t) layer_info[i].image->rows; y++) offsets[y]=GetPSDOffset(&psd_info, layer_info[i].image); } status=ReadPSDLayer(layer_info[i].image, layer_info[i].channels, layer_info[i].channel_info[j].type,offsets,exception); if (compression == 1) offsets=(MagickOffsetType *) RelinquishMagickMemory( offsets); if (status == MagickFalse) break; } } if (layer_info[i].opacity != OpaqueAlpha) { /* Correct for opacity level. */ for (y=0; y < (ssize_t) layer_info[i].image->rows; y++) { q=GetAuthenticPixels(layer_info[i].image,0,y, layer_info[i].image->columns,1,exception); if (q == (Quantum *) NULL) break; for (x=0; x < (ssize_t) layer_info[i].image->columns; x++) { SetPixelAlpha(layer_info[i].image,(Quantum) (QuantumScale*(GetPixelAlpha(layer_info[i].image,q))* layer_info[i].opacity),q); q+=GetPixelChannels(layer_info[i].image); } if (SyncAuthenticPixels(layer_info[i].image,exception) == MagickFalse) break; } } if (layer_info[i].image->colorspace == CMYKColorspace) (void) NegateImage(layer_info[i].image,MagickFalse,exception); status=SetImageProgress(image,LoadImagesTag,i,(MagickSizeType) number_layers); if (status == MagickFalse) break; } /* added by palf -> invisible group layer make layer of this group invisible I consider that all layer with width and height null are layer for group layer */ { short inside_layer = 0; short layer_visible = 0; for (i=number_layers-1; i >=0; i--) { if ((layer_info[i].page.width == 0) || (layer_info[i].page.height == 0)) { if (inside_layer == 0) { inside_layer=1; layer_visible=(short int) layer_info[i].visible; } else { inside_layer = 0; } } else if ((inside_layer == 1) && (layer_visible == 0)) { layer_info[i].visible=(unsigned char) layer_visible; layer_info[i].image->compose=NoCompositeOp; } } } /* added by palf -> suppression of empty layer */ /* I consider that all layer with width and height null are layer for group layer */ for (i=0; i < number_layers; i++) { if ((layer_info[i].page.width == 0) || (layer_info[i].page.height == 0)) { if (layer_info[i].image != (Image *) NULL) layer_info[i].image=DestroyImage(layer_info[i].image); for (j=i; j < number_layers - 1; j++) layer_info[j] = layer_info[j+1]; number_layers--; i--; } } mask_size = ReadBlobMSBLong(image); /* global mask size: currently ignored */ (void) mask_size; if (number_layers > 0) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " putting layers into image list"); 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); } layer_offset-=TellBlob(image); offset=SeekBlob(image,layer_offset,SEEK_CUR); } } } /* Read the precombined layer, present for PSD < 4 compatibility */ if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading the precombined layer"); offsets=(MagickOffsetType *) NULL; image->compression=NoCompression; compression=ReadBlobMSBShort(image); if (compression == 1) { /* Read Packbit encoded pixel data as separate planes. */ image->compression=RLECompression; offsets=(MagickOffsetType *) AcquireQuantumMemory(image->rows, psd_info.channels*sizeof(*offsets)); if (offsets == (MagickOffsetType *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); for (i=0; i < (ssize_t) (image->rows*psd_info.channels); i++) offsets[i]=GetPSDOffset(&psd_info,image); } for (i=0; i < (ssize_t) psd_info.channels; i++) { status=ReadPSDLayer(image,psd_info.channels,i,offsets+i*image->rows, exception); if (status == MagickFalse) break; status=SetImageProgress(image,LoadImagesTag,i,psd_info.channels); if (status == MagickFalse) break; } if (compression == 1) offsets=(MagickOffsetType *) RelinquishMagickMemory(offsets); if (image->colorspace == CMYKColorspace) (void) NegateImage(image,MagickFalse,exception); (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->seekable_stream=MagickTrue; 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->seekable_stream=MagickTrue; 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) { int i; 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"); } i=0; 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->matte != MagickFalse) WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,AlphaQuantum,exception); } WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, GrayQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,exception); if (next_image->matte != MagickFalse) WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,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->matte != MagickFalse) WritePackbitsLength(psd_info,image_info,image,next_image, compact_pixels,AlphaQuantum,exception); } WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, IndexQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,exception); if (next_image->matte != MagickFalse) WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,exception); (void) SetImageProgress(image,SaveImagesTag,0,1); } else { if (next_image->colorspace == CMYKColorspace) (void) NegateImage(next_image,MagickFalse,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->matte != MagickFalse) 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,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,exception); (void) SetImageProgress(image,SaveImagesTag,1,6); WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, GreenQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,exception); (void) SetImageProgress(image,SaveImagesTag,2,6); WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, BlueQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,exception); (void) SetImageProgress(image,SaveImagesTag,3,6); if (next_image->colorspace == CMYKColorspace) WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, BlackQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,exception); (void) SetImageProgress(image,SaveImagesTag,4,6); if (next_image->matte != MagickFalse) WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse,exception); (void) SetImageProgress(image,SaveImagesTag,5,6); if (next_image->colorspace == CMYKColorspace) (void) NegateImage(next_image,MagickFalse,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; x_resolution=65536.0*image->resolution.x+0.5; y_resolution=65536.0*image->resolution.y+0.5; units=1; 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; } (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; unsigned char layer_name[4]; /* 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->matte != MagickFalse) 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->matte != MagickFalse ? 2UL : 1UL); else if (image->storage_class == PseudoClass) num_channels=(image->matte != MagickFalse ? 2UL : 1UL); else { if (image->colorspace != CMYKColorspace) num_channels=(image->matte != MagickFalse ? 4UL : 3UL); else num_channels=(image->matte != MagickFalse ? 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)) { if (IsRGBColorspace(image->colorspace) == MagickFalse) (void) TransformImageColorspace(image,RGBColorspace,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->matte != MagickFalse) && (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->matte != MagickFalse ? 2UL : 1UL; else if (next_image->storage_class == PseudoClass) num_channels=next_image->matte != MagickFalse ? 2UL : 1UL; else if (next_image->colorspace != CMYKColorspace) num_channels=next_image->matte != MagickFalse ? 4UL : 3UL; else num_channels=next_image->matte != MagickFalse ? 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); (void) WriteBlobMSBShort(image,(unsigned short) layer_count); layer_count=1; compression=base_image->compression; next_image=base_image; while (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->matte != MagickFalse ? 2 : 1)); (void) WriteBlobMSBShort(image,0); (void) SetPSDSize(&psd_info,image,channel_size); if (next_image->matte != MagickFalse) { (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->matte != MagickFalse ? 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->matte!= MagickFalse ) { (void) WriteBlobMSBShort(image,(unsigned short) -1); (void) SetPSDSize(&psd_info,image,channel_size); } } else { (void) WriteBlobMSBShort(image,(unsigned short) (next_image->matte ? 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->matte) { (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,1); /* layer propertys - visible, etc. */ (void) WriteBlobByte(image,0); property=(const char *) GetImageProperty(next_image,"label",exception); if (property == (const char *) NULL) { (void) WriteBlobMSBLong(image,16); (void) WriteBlobMSBLong(image,0); (void) WriteBlobMSBLong(image,0); (void) FormatLocaleString((char *) layer_name,MaxTextExtent, "L%06ld",(long) layer_count++); WritePascalString( image, (char*)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); }