/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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 1999-2010 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 "magick/studio.h" #include "magick/artifact.h" #include "magick/blob.h" #include "magick/blob-private.h" #include "magick/cache.h" #include "magick/colormap.h" #include "magick/colorspace.h" #include "magick/constitute.h" #include "magick/enhance.h" #include "magick/exception.h" #include "magick/exception-private.h" #include "magick/image.h" #include "magick/image-private.h" #include "magick/list.h" #include "magick/log.h" #include "magick/magick.h" #include "magick/memory_.h" #include "magick/module.h" #include "magick/monitor-private.h" #include "magick/profile.h" #include "magick/property.h" #include "magick/quantum-private.h" #include "magick/static.h" #include "magick/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, version; unsigned char reserved[6]; size_t rows, columns; unsigned short depth, mode; } PSDInfo; /* Forward declarations. */ static MagickBooleanType WritePSDImage(const ImageInfo *,Image *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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; ssize_t packets; size_t length; 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) { const unsigned char *p; StringInfo *profile; unsigned int count, long_sans; unsigned short id, short_sans; if (length < 16) return(MagickFalse); profile=AcquireStringInfo(length); SetStringInfoDatum(profile,blocks); (void) SetImageProfile(image,"8bim",profile); 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->x_resolution=(double) resolution; (void) FormatMagickString(value,MaxTextExtent,"%g",image->x_resolution); (void) SetImageProperty(image,"tiff:XResolution",value); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&resolution); image->y_resolution=(double) resolution; (void) FormatMagickString(value,MaxTextExtent,"%g",image->y_resolution); (void) SetImageProperty(image,"tiff:YResolution",value); 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 IndexPacket *indexes; register ssize_t x; register PixelPacket *q; register const unsigned char *p; 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->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 == (PixelPacket *) NULL) break; indexes=GetAuthenticIndexQueue(image); 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: { q->opacity=(Quantum) (QuantumRange-pixel); break; } case 0: { q->red=pixel; if (channels == 1) { q->green=q->red; q->blue=q->red; } if (image->storage_class == PseudoClass) { if (packet_size == 1) indexes[x]=(IndexPacket) ScaleQuantumToChar(pixel); else indexes[x]=(IndexPacket) ScaleQuantumToShort(pixel); *q=image->colormap[(ssize_t) indexes[x]]; q->red=image->colormap[(ssize_t) indexes[x]].red; q->green=image->colormap[(ssize_t) indexes[x]].green; q->blue=image->colormap[(ssize_t) indexes[x]].blue; } break; } case 1: { if (image->storage_class == PseudoClass) q->opacity=(Quantum) (QuantumRange-pixel); else q->green=pixel; break; } case 2: { q->blue=pixel; break; } case 3: { if (image->colorspace == CMYKColorspace) indexes[x]=(IndexPacket) pixel; else q->opacity=(Quantum) (QuantumRange-pixel); break; } case 4: { if ((image->colorspace == RGBColorspace) && (channels > 3)) break; q->opacity=(Quantum) (QuantumRange-pixel); break; } default: break; } q++; } 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; IndexPacket *indexes; LayerInfo *layer_info; ssize_t j, number_layers, y; MagickBooleanType status; MagickOffsetType offset, *offsets; MagickSizeType combinedlength, length, size; PSDInfo psd_info; register ssize_t i, x; register PixelPacket *q; ssize_t count; unsigned char *data; unsigned short compression; size_t mask_size, skip_first_alpha = 0; /* 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); 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; if (SetImageBackgroundColor(image) == MagickFalse) { InheritException(exception,&image->exception); image=DestroyImageList(image); return((Image *) NULL); } image->matte=psd_info.channels >= 4 ? MagickTrue : MagickFalse; if (psd_info.mode == LabMode) image->colorspace=LabColorspace; if (psd_info.mode == CMYKMode) { image->colorspace=CMYKColorspace; image->matte=psd_info.channels >= 5 ? MagickTrue : MagickFalse; } if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) || (psd_info.mode == DuotoneMode)) { if (AcquireImageColormap(image,256) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); image->matte=psd_info.channels >= 2 ? MagickTrue : MagickFalse; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " ImageColorMap allocated"); image->colorspace=GRAYColorspace; } if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), image->matte ? " image has matte" : " image has no matte"); /* 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)) == 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=psd_info.channels >= 2 ? MagickTrue : 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) 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); blocks=(unsigned char *) RelinquishMagickMemory(blocks); } /* If we are only "pinging" the image, then we're done - so return. */ if (image_info->ping != MagickFalse) { (void) CloseBlob(image); return(GetFirstImageInList(image)); } /* 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); } if ((image_info->number_scenes == 1) && (image_info->scene == 0)) for ( ; length != 0; length--) if (ReadBlobByte(image) == EOF) { ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); break; } 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; /* Skip layers & masks. */ quantum=psd_info.version == 1 ? 4UL : 8UL; for (j=0; j < (ssize_t) (length-quantum); j++) (void) ReadBlobByte(image); } else { 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; 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++) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading layer #%.20g",(double) i+1); layer_info[i].page.y=(ssize_t) ReadBlobMSBLong(image); layer_info[i].page.x=(ssize_t) ReadBlobMSBLong(image); layer_info[i].page.height=(size_t) (ReadBlobMSBLong(image)-layer_info[i].page.y); layer_info[i].page.width=(size_t) (ReadBlobMSBLong(image)-layer_info[i].page.x); if (layer_info[i].page.height > 300000) layer_info[i].page.height+=4294967295UL; if (layer_info[i].page.width > 300000) layer_info[i].page.width+=4294967295UL; layer_info[i].channels=ReadBlobMSBShort(image); 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) (QuantumRange-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=(ssize_t) ReadBlobMSBLong(image); layer_info[i].mask.x=(ssize_t) 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 (layer_info[i].mask.height > 300000) layer_info[i].mask.height+=4294967295UL; if (layer_info[i].mask.width > 300000) layer_info[i].mask.width+=4294967295UL; 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) length-16); /* Skip over the rest of the layer mask information. */ for (j=0; j < (ssize_t) (length-16); j++) (void) ReadBlobByte(image); } 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) 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) (size-combinedlength)); for (j=0; j < (ssize_t) (size-combinedlength); j++) (void) ReadBlobByte(image); } /* Allocate layered image. */ layer_info[i].image=CloneImage(image,layer_info[i].page.width, layer_info[i].page.height,MagickFalse,&image->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"); (void) SetImageBackgroundColor(layer_info[i].image); 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) FormatMagickString(message,MaxTextExtent,"%.20gld", (double) layer_info[i].page.x); (void) SetImageArtifact(layer_info[i].image,"psd:layer.x",message); (void) FormatMagickString(message,MaxTextExtent,"%.20g", (double) layer_info[i].page.y); (void) SetImageArtifact(layer_info[i].image,"psd:layer.y",message); (void) FormatMagickString(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); } 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 != OpaqueOpacity) { /* 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 == (PixelPacket *) NULL) break; indexes=GetAuthenticIndexQueue(layer_info[i].image); for (x=0; x < (ssize_t) layer_info[i].image->columns; x++) { q->opacity=(Quantum) (QuantumRange-(Quantum) (QuantumScale* ((QuantumRange-q->opacity)*(QuantumRange- layer_info[i].opacity)))); q++; } if (SyncAuthenticPixels(layer_info[i].image,exception) == MagickFalse) break; } } if (layer_info[i].image->colorspace == CMYKColorspace) (void) NegateImage(layer_info[i].image,MagickFalse); 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 */ 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); if ((number_layers == 1) && (image->next != (Image *) NULL) && (image->matte != MagickFalse)) image->next=DestroyImage(image->next); (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->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->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) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % % */ 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) { 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 *tmp_image, unsigned char *pixels,unsigned char *compact_pixels, const QuantumType quantum_type) { int y; QuantumInfo *quantum_info; register const PixelPacket *p; size_t length, packet_size; if (tmp_image->depth > 8) tmp_image->depth=16; packet_size=tmp_image->depth > 8UL ? 2UL : 1UL; quantum_info=AcquireQuantumInfo(image_info,image); for (y=0; y < (ssize_t) tmp_image->rows; y++) { p=GetVirtualPixels(tmp_image,0,y,tmp_image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; length=ExportQuantumPixels(tmp_image,(CacheView *) NULL,quantum_info, quantum_type,pixels,&image->exception); length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels); (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 *tmp_image,unsigned char *pixels, unsigned char *compact_pixels,const QuantumType quantum_type, const MagickBooleanType compression_flag) { int y; MagickBooleanType monochrome; QuantumInfo *quantum_info; register const PixelPacket *p; register ssize_t i; size_t length, packet_size; (void) psd_info; if ((compression_flag != MagickFalse) && (tmp_image->compression != RLECompression)) (void) WriteBlobMSBShort(image,0); if (tmp_image->depth > 8) tmp_image->depth=16; monochrome=IsMonochromeImage(image,&image->exception) && (image->depth == 1); packet_size=tmp_image->depth > 8UL ? 2UL : 1UL; quantum_info=AcquireQuantumInfo(image_info,image); for (y=0; y < (ssize_t) tmp_image->rows; y++) { p=GetVirtualPixels(tmp_image,0,y,tmp_image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; length=ExportQuantumPixels(tmp_image,(CacheView *) NULL,quantum_info, quantum_type,pixels,&image->exception); if (monochrome != MagickFalse) for (i=0; i < (ssize_t) length; i++) pixels[i]=(~pixels[i]); if (tmp_image->compression != RLECompression) (void) WriteBlob(image,length,pixels); else { length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels); (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 *tmp_image, const MagickBooleanType separate) { int i; size_t channels, packet_size; unsigned char *compact_pixels, *pixels; /* Write uncompressed pixels as separate planes. */ channels=1; packet_size=tmp_image->depth > 8UL ? 2UL : 1UL; pixels=(unsigned char *) AcquireQuantumMemory(channels*tmp_image->columns, packet_size*sizeof(*pixels)); compact_pixels=(unsigned char *) AcquireQuantumMemory(2*channels* tmp_image->columns,packet_size*sizeof(*pixels)); if ((pixels == (unsigned char *) NULL) || (compact_pixels == (unsigned char *) NULL)) { if (pixels != (unsigned char *) NULL) pixels=(unsigned char *) RelinquishMagickMemory(pixels); if (compact_pixels != (unsigned char *) NULL) compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); } i=0; if (IsGrayImage(tmp_image,&tmp_image->exception) != MagickFalse) { if (tmp_image->compression == RLECompression) { /* Packbits compression. */ (void) WriteBlobMSBShort(image,1); WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,GrayQuantum); if (tmp_image->matte != MagickFalse) WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,AlphaQuantum); } WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,GrayQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); if (tmp_image->matte != MagickFalse) WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); (void) SetImageProgress(image,SaveImagesTag,0,1); } else if (tmp_image->storage_class == PseudoClass) { if (tmp_image->compression == RLECompression) { /* Packbits compression. */ (void) WriteBlobMSBShort(image,1); WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,IndexQuantum); if (tmp_image->matte != MagickFalse) WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,AlphaQuantum); } WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,IndexQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); if (tmp_image->matte != MagickFalse) WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); (void) SetImageProgress(image,SaveImagesTag,0,1); } else { if (tmp_image->colorspace == CMYKColorspace) (void) NegateImage(tmp_image,MagickFalse); if (tmp_image->compression == RLECompression) { /* Packbits compression. */ (void) WriteBlobMSBShort(image,1); WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,RedQuantum); WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,GreenQuantum); WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,BlueQuantum); if (tmp_image->colorspace == CMYKColorspace) WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,BlackQuantum); if (tmp_image->matte != MagickFalse) WritePackbitsLength(psd_info,image_info,image,tmp_image,pixels, compact_pixels,AlphaQuantum); } (void) SetImageProgress(image,SaveImagesTag,0,6); WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,RedQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); (void) SetImageProgress(image,SaveImagesTag,1,6); WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,GreenQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); (void) SetImageProgress(image,SaveImagesTag,2,6); WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,BlueQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); (void) SetImageProgress(image,SaveImagesTag,3,6); if (tmp_image->colorspace == CMYKColorspace) WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,BlackQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); (void) SetImageProgress(image,SaveImagesTag,4,6); if (tmp_image->matte != MagickFalse) WriteOneChannel(psd_info,image_info,image,tmp_image,pixels, compact_pixels,AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); (void) SetImageProgress(image,SaveImagesTag,5,6); if (tmp_image->colorspace == CMYKColorspace) (void) NegateImage(tmp_image,MagickFalse); } pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(MagickTrue); } static void WritePascalString(Image* inImage,const char *inString,int inPad) { size_t strLength; int i; /* max length is 255 */ strLength = (strlen(inString) > 255UL ) ? 255UL : strlen(inString); if ( strLength != 0 ) { (void) WriteBlobByte(inImage,(unsigned char) strLength); (void) WriteBlob(inImage, strLength, (const unsigned char *) inString); } else (void) WriteBlobByte(inImage, 0); strLength ++; if ( (strLength % inPad) == 0 ) return; for (i=0; i < (ssize_t) (inPad-(strLength % inPad)); i++) (void) WriteBlobByte(inImage,0); } static void WriteResolutionResourceBlock(Image *image) { double x_resolution, y_resolution; unsigned short units; x_resolution=65536.0*image->x_resolution+0.5; y_resolution=65536.0*image->y_resolution+0.5; units=1; if (image->units == PixelsPerCentimeterResolution) { x_resolution=2.54*65536.0*image->x_resolution*0.5; y_resolution=2.54*65536.0*image->y_resolution+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) { (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) { const char *theAttr; const StringInfo *icc_profile; MagickBooleanType status; PSDInfo psd_info; register ssize_t i; size_t length, num_channels, packet_size; StringInfo *bim_profile; unsigned char layer_name[4]; size_t channel_size, channelLength, layer_count, layer_info_size, rounded_layer_info_size; Image *base_image, *tmp_image; /* 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); status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->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 (IsGrayImage(image,&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 (IsGrayImage(image,&image->exception) != MagickFalse) { MagickBooleanType monochrome; /* Write depth & mode. */ monochrome=IsMonochromeImage(image,&image->exception) && (image->depth == 1); (void) WriteBlobMSBShort(image,(unsigned short) (monochrome != MagickFalse ? 1 : image->depth > 8 ? 16 : 8)); (void) WriteBlobMSBShort(image,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 (image->colorspace != RGBColorspace) (void) TransformImageColorspace(image,RGBColorspace); (void) WriteBlobMSBShort(image,(unsigned short) (image->storage_class == PseudoClass ? IndexedMode : RGBMode)); } else { if (image->colorspace != CMYKColorspace) (void) TransformImageColorspace(image,CMYKColorspace); (void) WriteBlobMSBShort(image,CMYKMode); } } if ((IsGrayImage(image,&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; tmp_image=base_image; while ( tmp_image != NULL ) { packet_size=tmp_image->depth > 8 ? 2UL : 1UL; if (IsGrayImage(tmp_image,&image->exception) != MagickFalse) num_channels=tmp_image->matte != MagickFalse ? 2UL : 1UL; else if (tmp_image->storage_class == PseudoClass) num_channels=tmp_image->matte != MagickFalse ? 2UL : 1UL; else if (tmp_image->colorspace != CMYKColorspace) num_channels=tmp_image->matte != MagickFalse ? 4UL : 3UL; else num_channels=tmp_image->matte != MagickFalse ? 5UL : 4UL; channelLength=(size_t) (tmp_image->columns*tmp_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); theAttr=(const char *) GetImageProperty(tmp_image,"label"); if (!theAttr) layer_info_size += 16; else { size_t length=strlen(theAttr); layer_info_size += 8+length+(4-(length % 4)); } layer_count++; tmp_image=GetNextImageInList(tmp_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 (image->colorspace == CMYKColorspace) layer_info_size++; 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; tmp_image=base_image; while (tmp_image != NULL) { tmp_image->compression=NoCompression; (void) WriteBlobMSBLong(image,0); (void) WriteBlobMSBLong(image,0); (void) WriteBlobMSBLong(image,(unsigned int) tmp_image->rows); (void) WriteBlobMSBLong(image,(unsigned int) tmp_image->columns); packet_size=tmp_image->depth > 8 ? 2UL : 1UL; channel_size=(unsigned int) ((packet_size*tmp_image->rows* tmp_image->columns)+2); if ((IsGrayImage(tmp_image,&image->exception) != MagickFalse) || (tmp_image->storage_class == PseudoClass)) { (void) WriteBlobMSBShort(image,(unsigned short) (tmp_image->matte != MagickFalse ? 2 : 1)); (void) WriteBlobMSBShort(image, 0); (void) SetPSDSize(&psd_info,image,channel_size); if (tmp_image->matte != MagickFalse) { (void) WriteBlobMSBShort(image,(unsigned short) -1); (void) SetPSDSize(&psd_info,image,channel_size); } } else if (tmp_image->colorspace != CMYKColorspace) { (void) WriteBlobMSBShort(image,(unsigned short) (tmp_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 (tmp_image->matte!= MagickFalse ) { (void) WriteBlobMSBShort(image,(unsigned short) -1); (void) SetPSDSize(&psd_info,image,channel_size); } } else { (void) WriteBlobMSBShort(image,(unsigned short) (tmp_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 (tmp_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(tmp_image->compose)); (void) WriteBlobByte(image, 255); /* BOGUS: layer opacity */ (void) WriteBlobByte(image, 0); (void) WriteBlobByte(image, 1); /* BOGUS: layer attributes - visible, etc. */ (void) WriteBlobByte(image, 0); theAttr=(const char *) GetImageProperty(tmp_image,"label"); if (!theAttr) { (void) WriteBlobMSBLong(image, 16); (void) WriteBlobMSBLong(image, 0); (void) WriteBlobMSBLong(image, 0); (void) FormatMagickString((char *) layer_name,MaxTextExtent,"L%06ld", (long) layer_count++); WritePascalString( image, (char*)layer_name, 4 ); } else { size_t length=strlen(theAttr); (void) WriteBlobMSBLong(image,(unsigned int) (length+(4-(length % 4))+ 8)); (void) WriteBlobMSBLong(image,0); (void) WriteBlobMSBLong(image,0); WritePascalString( image, theAttr, 4 ); } tmp_image = GetNextImageInList(tmp_image); } /* now the image data! */ tmp_image = base_image; while ( tmp_image != NULL ) { status=WriteImageChannels(&psd_info,image_info,image,tmp_image,MagickTrue); if (rounded_layer_info_size != layer_info_size) (void) WriteBlobByte(image,'\0'); /* add in the pad! */ tmp_image = GetNextImageInList(tmp_image); }; (void) WriteBlobMSBLong(image,0); /* user mask data */ base_image->compression=compression; } /* Write composite image. */ status=WriteImageChannels(&psd_info,image_info,image,image,MagickFalse); (void) CloseBlob(image); return(status); }