/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % PPPP SSSSS DDDD % % P P SS D D % % PPPP SSS D D % % P SS D D % % P SSSSS DDDD % % % % % % Read/Write Adobe Photoshop Image Format % % % % Software Design % % Cristy % % Leonard Rosenthol % % July 1992 % % Dirk Lemstra % % December 2013 % % % % % % Copyright 1999-2018 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 % % % % https://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. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Photoshop spec @ https://www.adobe.com/devnet-apps/photoshop/fileformatashtml % */ /* Include declarations. */ #include "MagickCore/studio.h" #include "MagickCore/artifact.h" #include "MagickCore/attribute.h" #include "MagickCore/blob.h" #include "MagickCore/blob-private.h" #include "MagickCore/cache.h" #include "MagickCore/channel.h" #include "MagickCore/colormap.h" #include "MagickCore/colormap-private.h" #include "MagickCore/colorspace.h" #include "MagickCore/colorspace-private.h" #include "MagickCore/constitute.h" #include "MagickCore/enhance.h" #include "MagickCore/exception.h" #include "MagickCore/exception-private.h" #include "MagickCore/image.h" #include "MagickCore/image-private.h" #include "MagickCore/list.h" #include "MagickCore/log.h" #include "MagickCore/magick.h" #include "MagickCore/memory_.h" #include "MagickCore/module.h" #include "MagickCore/monitor-private.h" #include "MagickCore/option.h" #include "MagickCore/pixel.h" #include "MagickCore/pixel-accessor.h" #include "MagickCore/policy.h" #include "MagickCore/profile.h" #include "MagickCore/property.h" #include "MagickCore/registry.h" #include "MagickCore/quantum-private.h" #include "MagickCore/static.h" #include "MagickCore/string_.h" #include "MagickCore/string-private.h" #include "MagickCore/thread-private.h" #ifdef MAGICKCORE_ZLIB_DELEGATE #include #endif #include "psd-private.h" /* Define declaractions. */ #define MaxPSDChannels 56 #define PSDQuantum(x) (((ssize_t) (x)+1) & -2) /* Enumerated declaractions. */ typedef enum { Raw = 0, RLE = 1, ZipWithoutPrediction = 2, ZipWithPrediction = 3 } PSDCompressionType; typedef enum { BitmapMode = 0, GrayscaleMode = 1, IndexedMode = 2, RGBMode = 3, CMYKMode = 4, MultichannelMode = 7, DuotoneMode = 8, LabMode = 9 } PSDImageType; /* Typedef declaractions. */ typedef struct _ChannelInfo { short type; size_t size; } ChannelInfo; typedef struct _MaskInfo { Image *image; RectangleInfo page; unsigned char background, flags; } MaskInfo; typedef struct _LayerInfo { ChannelInfo channel_info[MaxPSDChannels]; char blendkey[4]; Image *image; MaskInfo mask; Quantum opacity; RectangleInfo page; size_t offset_x, offset_y; unsigned char clipping, flags, name[257], visible; unsigned short channels; StringInfo *info; } LayerInfo; /* 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,ExceptionInfo *exception) % % 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(Image *image) { switch (image->compose) { case ColorBurnCompositeOp: return(image->endian == LSBEndian ? "vidi" : "idiv"); case ColorDodgeCompositeOp: return(image->endian == LSBEndian ? " vid" : "div "); case ColorizeCompositeOp: return(image->endian == LSBEndian ? "rloc" : "colr"); case DarkenCompositeOp: return(image->endian == LSBEndian ? "krad" : "dark"); case DifferenceCompositeOp: return(image->endian == LSBEndian ? "ffid" : "diff"); case DissolveCompositeOp: return(image->endian == LSBEndian ? "ssid" : "diss"); case ExclusionCompositeOp: return(image->endian == LSBEndian ? "dums" : "smud"); case HardLightCompositeOp: return(image->endian == LSBEndian ? "tiLh" : "hLit"); case HardMixCompositeOp: return(image->endian == LSBEndian ? "xiMh" : "hMix"); case HueCompositeOp: return(image->endian == LSBEndian ? " euh" : "hue "); case LightenCompositeOp: return(image->endian == LSBEndian ? "etil" : "lite"); case LinearBurnCompositeOp: return(image->endian == LSBEndian ? "nrbl" : "lbrn"); case LinearDodgeCompositeOp: return(image->endian == LSBEndian ? "gddl" : "lddg"); case LinearLightCompositeOp: return(image->endian == LSBEndian ? "tiLl" : "lLit"); case LuminizeCompositeOp: return(image->endian == LSBEndian ? " mul" : "lum "); case MultiplyCompositeOp: return(image->endian == LSBEndian ? " lum" : "mul "); case OverlayCompositeOp: return(image->endian == LSBEndian ? "revo" : "over"); case PinLightCompositeOp: return(image->endian == LSBEndian ? "tiLp" : "pLit"); case SaturateCompositeOp: return(image->endian == LSBEndian ? " tas" : "sat "); case ScreenCompositeOp: return(image->endian == LSBEndian ? "nrcs" : "scrn"); case SoftLightCompositeOp: return(image->endian == LSBEndian ? "tiLs" : "sLit"); case VividLightCompositeOp: return(image->endian == LSBEndian ? "tiLv" : "vLit"); case OverCompositeOp: default: return(image->endian == LSBEndian ? "mron" : "norm"); } } /* For some reason Photoshop seems to blend semi-transparent pixels with white. This method reverts the blending. This can be disabled by setting the option 'psd:alpha-unblend' to off. */ static MagickBooleanType CorrectPSDAlphaBlend(const ImageInfo *image_info, Image *image,ExceptionInfo* exception) { const char *option; MagickBooleanType status; ssize_t y; if (image->alpha_trait != BlendPixelTrait || image->colorspace != sRGBColorspace) return(MagickTrue); option=GetImageOption(image_info,"psd:alpha-unblend"); if (IsStringFalse(option) != MagickFalse) return(MagickTrue); status=MagickTrue; #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register Quantum *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=GetAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (Quantum *) NULL) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) { double gamma; register ssize_t i; gamma=QuantumScale*GetPixelAlpha(image, q); if (gamma != 0.0 && gamma != 1.0) { for (i=0; i < (ssize_t) GetPixelChannels(image); i++) { PixelChannel channel = GetPixelChannelChannel(image,i); if (channel != AlphaPixelChannel) q[i]=ClampToQuantum((q[i]-((1.0-gamma)*QuantumRange))/gamma); } } q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) status=MagickFalse; } return(status); } static inline CompressionType ConvertPSDCompression( PSDCompressionType compression) { switch (compression) { case RLE: return RLECompression; case ZipWithPrediction: case ZipWithoutPrediction: return ZipCompression; default: return NoCompression; } } static MagickBooleanType ApplyPSDLayerOpacity(Image *image,Quantum opacity, MagickBooleanType revert,ExceptionInfo *exception) { MagickBooleanType status; ssize_t y; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " applying layer opacity %.20g", (double) opacity); if (opacity == OpaqueAlpha) return(MagickTrue); if (image->alpha_trait != BlendPixelTrait) (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception); status=MagickTrue; #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register Quantum *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=GetAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (Quantum *) NULL) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) { if (revert == MagickFalse) SetPixelAlpha(image,(Quantum) (QuantumScale*(GetPixelAlpha(image,q))* opacity),q); else if (opacity > 0) SetPixelAlpha(image,(Quantum) (QuantumRange*(GetPixelAlpha(image,q)/ (MagickRealType) opacity)),q); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) status=MagickFalse; } return(status); } static MagickBooleanType ApplyPSDOpacityMask(Image *image,const Image *mask, Quantum background,MagickBooleanType revert,ExceptionInfo *exception) { Image *complete_mask; MagickBooleanType status; PixelInfo color; ssize_t y; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " applying opacity mask"); complete_mask=CloneImage(image,0,0,MagickTrue,exception); if (complete_mask == (Image *) NULL) return(MagickFalse); complete_mask->alpha_trait=BlendPixelTrait; GetPixelInfo(complete_mask,&color); color.red=(MagickRealType) background; (void) SetImageColor(complete_mask,&color,exception); status=CompositeImage(complete_mask,mask,OverCompositeOp,MagickTrue, mask->page.x-image->page.x,mask->page.y-image->page.y,exception); if (status == MagickFalse) { complete_mask=DestroyImage(complete_mask); return(status); } image->alpha_trait=BlendPixelTrait; #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register Quantum *magick_restrict q; register Quantum *p; register ssize_t x; if (status == MagickFalse) continue; q=GetAuthenticPixels(image,0,y,image->columns,1,exception); p=GetAuthenticPixels(complete_mask,0,y,complete_mask->columns,1,exception); if ((q == (Quantum *) NULL) || (p == (Quantum *) NULL)) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) { MagickRealType alpha, intensity; alpha=(MagickRealType) GetPixelAlpha(image,q); intensity=GetPixelIntensity(complete_mask,p); if (revert == MagickFalse) SetPixelAlpha(image,ClampToQuantum(intensity*(QuantumScale*alpha)),q); else if (intensity > 0) SetPixelAlpha(image,ClampToQuantum((alpha/intensity)*QuantumRange),q); q+=GetPixelChannels(image); p+=GetPixelChannels(complete_mask); } if (SyncAuthenticPixels(image,exception) == MagickFalse) status=MagickFalse; } complete_mask=DestroyImage(complete_mask); return(status); } static void PreservePSDOpacityMask(Image *image,LayerInfo* layer_info, ExceptionInfo *exception) { char *key; RandomInfo *random_info; StringInfo *key_info; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " preserving opacity mask"); random_info=AcquireRandomInfo(); key_info=GetRandomKey(random_info,2+1); key=(char *) GetStringInfoDatum(key_info); key[8]=(char ) layer_info->mask.background; key[9]='\0'; layer_info->mask.image->page.x+=layer_info->page.x; layer_info->mask.image->page.y+=layer_info->page.y; (void) SetImageRegistry(ImageRegistryType,(const char *) key, layer_info->mask.image,exception); (void) SetImageArtifact(layer_info->image,"psd:opacity-mask", (const char *) key); key_info=DestroyStringInfo(key_info); random_info=DestroyRandomInfo(random_info); } static ssize_t DecodePSDPixels(const size_t number_compact_pixels, const unsigned char *compact_pixels,const ssize_t depth, const size_t number_pixels,unsigned char *pixels) { #define CheckNumberCompactPixels \ if (packets == 0) \ return(i); \ packets-- #define CheckNumberPixels(count) \ if (((ssize_t) i + count) > (ssize_t) number_pixels) \ return(i); \ i+=count int pixel; register ssize_t i, j; size_t length; ssize_t packets; packets=(ssize_t) number_compact_pixels; for (i=0; (packets > 1) && (i < (ssize_t) number_pixels); ) { packets--; length=(size_t) (*compact_pixels++); if (length == 128) continue; if (length > 128) { length=256-length+1; CheckNumberCompactPixels; pixel=(*compact_pixels++); for (j=0; j < (ssize_t) length; j++) { switch (depth) { case 1: { CheckNumberPixels(8); *pixels++=(pixel >> 7) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 6) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 5) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 4) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 3) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 2) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 1) & 0x01 ? 0U : 255U; *pixels++=(pixel >> 0) & 0x01 ? 0U : 255U; break; } case 2: { CheckNumberPixels(4); *pixels++=(unsigned char) ((pixel >> 6) & 0x03); *pixels++=(unsigned char) ((pixel >> 4) & 0x03); *pixels++=(unsigned char) ((pixel >> 2) & 0x03); *pixels++=(unsigned char) ((pixel & 0x03) & 0x03); break; } case 4: { CheckNumberPixels(2); *pixels++=(unsigned char) ((pixel >> 4) & 0xff); *pixels++=(unsigned char) ((pixel & 0x0f) & 0xff); break; } default: { CheckNumberPixels(1); *pixels++=(unsigned char) pixel; break; } } } continue; } length++; for (j=0; j < (ssize_t) length; j++) { CheckNumberCompactPixels; switch (depth) { case 1: { CheckNumberPixels(8); *pixels++=(*compact_pixels >> 7) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 6) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 5) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 4) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 3) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 2) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 1) & 0x01 ? 0U : 255U; *pixels++=(*compact_pixels >> 0) & 0x01 ? 0U : 255U; break; } case 2: { CheckNumberPixels(4); *pixels++=(*compact_pixels >> 6) & 0x03; *pixels++=(*compact_pixels >> 4) & 0x03; *pixels++=(*compact_pixels >> 2) & 0x03; *pixels++=(*compact_pixels & 0x03) & 0x03; break; } case 4: { CheckNumberPixels(2); *pixels++=(*compact_pixels >> 4) & 0xff; *pixels++=(*compact_pixels & 0x0f) & 0xff; break; } default: { CheckNumberPixels(1); *pixels++=(*compact_pixels); break; } } compact_pixels++; } } return(i); } static inline LayerInfo *DestroyLayerInfo(LayerInfo *layer_info, const ssize_t number_layers) { ssize_t i; for (i=0; istorage_class == PseudoClass) { if (image->colors > 256) return(2); } if (image->depth > 16) return(4); if (image->depth > 8) return(2); return(1); } static inline MagickSizeType GetPSDSize(const PSDInfo *psd_info,Image *image) { if (psd_info->version == 1) return((MagickSizeType) ReadBlobLong(image)); return((MagickSizeType) ReadBlobLongLong(image)); } static inline size_t GetPSDRowSize(Image *image) { if (image->depth == 1) return(((image->columns+7)/8)*GetPSDPacketSize(image)); else return(image->columns*GetPSDPacketSize(image)); } static const char *ModeToString(PSDImageType type) { switch (type) { case BitmapMode: return "Bitmap"; case GrayscaleMode: return "Grayscale"; case IndexedMode: return "Indexed"; case RGBMode: return "RGB"; case CMYKMode: return "CMYK"; case MultichannelMode: return "Multichannel"; case DuotoneMode: return "Duotone"; case LabMode: return "L*A*B"; default: return "unknown"; } } static MagickBooleanType NegateCMYK(Image *image,ExceptionInfo *exception) { ChannelType channel_mask; MagickBooleanType status; channel_mask=SetImageChannelMask(image,(ChannelType)(AllChannels &~ AlphaChannel)); status=NegateImage(image,MagickFalse,exception); (void) SetImageChannelMask(image,channel_mask); return(status); } static StringInfo *ParseImageResourceBlocks(Image *image, const unsigned char *blocks,size_t length, MagickBooleanType *has_merged_image,ExceptionInfo *exception) { const unsigned char *p; ssize_t offset; StringInfo *profile; unsigned char name_length; unsigned int count; unsigned short id, short_sans; if (length < 16) return((StringInfo *) NULL); profile=BlobToStringInfo((const unsigned char *) NULL,length); SetStringInfoDatum(profile,blocks); SetStringInfoName(profile,"8bim"); for (p=blocks; (p >= blocks) && (p < (blocks+length-7)); ) { if (LocaleNCompare((const char *) p,"8BIM",4) != 0) break; p+=4; p=PushShortPixel(MSBEndian,p,&id); p=PushCharPixel(p,&name_length); if ((name_length % 2) == 0) name_length++; p+=name_length; if (p > (blocks+length-4)) break; p=PushLongPixel(MSBEndian,p,&count); offset=(ssize_t) count; if (((p+offset) < blocks) || ((p+offset) > (blocks+length))) break; switch (id) { case 0x03ed: { char value[MagickPathExtent]; unsigned short resolution; /* Resolution info. */ if (offset < 16) break; p=PushShortPixel(MSBEndian,p,&resolution); image->resolution.x=(double) resolution; (void) FormatLocaleString(value,MagickPathExtent,"%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,MagickPathExtent,"%g", image->resolution.y); (void) SetImageProperty(image,"tiff:YResolution",value,exception); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushShortPixel(MSBEndian,p,&short_sans); image->units=PixelsPerInchResolution; break; } case 0x0421: { if ((offset > 4) && (*(p+4) == 0)) *has_merged_image=MagickFalse; p+=offset; break; } default: { p+=offset; break; } } if ((offset & 0x01) != 0) p++; } return(profile); } static CompositeOperator PSDBlendModeToCompositeOperator(const char *mode) { if (mode == (const char *) NULL) return(OverCompositeOp); if (LocaleNCompare(mode,"norm",4) == 0) return(OverCompositeOp); if (LocaleNCompare(mode,"mul ",4) == 0) return(MultiplyCompositeOp); if (LocaleNCompare(mode,"diss",4) == 0) return(DissolveCompositeOp); if (LocaleNCompare(mode,"diff",4) == 0) return(DifferenceCompositeOp); if (LocaleNCompare(mode,"dark",4) == 0) return(DarkenCompositeOp); if (LocaleNCompare(mode,"lite",4) == 0) return(LightenCompositeOp); if (LocaleNCompare(mode,"hue ",4) == 0) return(HueCompositeOp); if (LocaleNCompare(mode,"sat ",4) == 0) return(SaturateCompositeOp); if (LocaleNCompare(mode,"colr",4) == 0) return(ColorizeCompositeOp); if (LocaleNCompare(mode,"lum ",4) == 0) return(LuminizeCompositeOp); if (LocaleNCompare(mode,"scrn",4) == 0) return(ScreenCompositeOp); if (LocaleNCompare(mode,"over",4) == 0) return(OverlayCompositeOp); if (LocaleNCompare(mode,"hLit",4) == 0) return(HardLightCompositeOp); if (LocaleNCompare(mode,"sLit",4) == 0) return(SoftLightCompositeOp); if (LocaleNCompare(mode,"smud",4) == 0) return(ExclusionCompositeOp); if (LocaleNCompare(mode,"div ",4) == 0) return(ColorDodgeCompositeOp); if (LocaleNCompare(mode,"idiv",4) == 0) return(ColorBurnCompositeOp); if (LocaleNCompare(mode,"lbrn",4) == 0) return(LinearBurnCompositeOp); if (LocaleNCompare(mode,"lddg",4) == 0) return(LinearDodgeCompositeOp); if (LocaleNCompare(mode,"lLit",4) == 0) return(LinearLightCompositeOp); if (LocaleNCompare(mode,"vLit",4) == 0) return(VividLightCompositeOp); if (LocaleNCompare(mode,"pLit",4) == 0) return(PinLightCompositeOp); if (LocaleNCompare(mode,"hMix",4) == 0) return(HardMixCompositeOp); return(OverCompositeOp); } static inline void ReversePSDString(Image *image,char *p,size_t length) { char *q; if (image->endian == MSBEndian) return; q=p+length; for(--q; p < q; ++p, --q) { *p = *p ^ *q, *q = *p ^ *q, *p = *p ^ *q; } } static inline void SetPSDPixel(Image *image,const size_t channels, const ssize_t type,const size_t packet_size,const Quantum pixel,Quantum *q, ExceptionInfo *exception) { if (image->storage_class == PseudoClass) { PixelInfo *color; if (type == 0) { if (packet_size == 1) SetPixelIndex(image,ScaleQuantumToChar(pixel),q); else SetPixelIndex(image,ScaleQuantumToShort(pixel),q); } color=image->colormap+(ssize_t) ConstrainColormapIndex(image, (ssize_t) GetPixelIndex(image,q),exception); if ((type == 0) && (channels > 1)) return; else color->alpha=(MagickRealType) pixel; SetPixelViaPixelInfo(image,color,q); return; } switch (type) { case -1: { SetPixelAlpha(image,pixel,q); break; } case -2: case 0: { SetPixelRed(image,pixel,q); break; } case -3: case 1: { SetPixelGreen(image,pixel,q); break; } case -4: case 2: { SetPixelBlue(image,pixel,q); break; } case 3: { if (image->colorspace == CMYKColorspace) SetPixelBlack(image,pixel,q); else if (image->alpha_trait != UndefinedPixelTrait) SetPixelAlpha(image,pixel,q); break; } case 4: { if ((IssRGBCompatibleColorspace(image->colorspace) != MagickFalse) && (channels > 3)) break; if (image->alpha_trait != UndefinedPixelTrait) SetPixelAlpha(image,pixel,q); break; } } } static MagickBooleanType ReadPSDChannelPixels(Image *image, const size_t channels,const ssize_t row,const ssize_t type, const unsigned char *pixels,ExceptionInfo *exception) { Quantum pixel; register const unsigned char *p; register Quantum *q; register ssize_t x; size_t packet_size; p=pixels; q=GetAuthenticPixels(image,0,row,image->columns,1,exception); if (q == (Quantum *) NULL) return MagickFalse; packet_size=GetPSDPacketSize(image); for (x=0; x < (ssize_t) image->columns; x++) { if (packet_size == 1) pixel=ScaleCharToQuantum(*p++); else if (packet_size == 2) { unsigned short nibble; p=PushShortPixel(MSBEndian,p,&nibble); pixel=ScaleShortToQuantum(nibble); } else { MagickFloatType nibble; p=PushFloatPixel(MSBEndian,p,&nibble); pixel=ClampToQuantum((MagickRealType)QuantumRange*nibble); } if (image->depth > 1) { SetPSDPixel(image,channels,type,packet_size,pixel,q,exception); q+=GetPixelChannels(image); } else { ssize_t bit, number_bits; number_bits=(ssize_t) image->columns-x; if (number_bits > 8) number_bits=8; for (bit = 0; bit < (ssize_t) number_bits; bit++) { SetPSDPixel(image,channels,type,packet_size,(((unsigned char) pixel) & (0x01 << (7-bit))) != 0 ? 0 : QuantumRange,q,exception); q+=GetPixelChannels(image); x++; } if (x != (ssize_t) image->columns) x--; continue; } } return(SyncAuthenticPixels(image,exception)); } static MagickBooleanType ReadPSDChannelRaw(Image *image,const size_t channels, const ssize_t type,ExceptionInfo *exception) { MagickBooleanType status; size_t row_size; ssize_t count, y; unsigned char *pixels; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is RAW"); row_size=GetPSDRowSize(image); pixels=(unsigned char *) AcquireQuantumMemory(row_size,sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); status=MagickTrue; for (y=0; y < (ssize_t) image->rows; y++) { status=MagickFalse; count=ReadBlob(image,row_size,pixels); if (count != (ssize_t) row_size) { status=MagickFalse; break; } status=ReadPSDChannelPixels(image,channels,y,type,pixels,exception); if (status == MagickFalse) break; } pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(status); } static inline MagickOffsetType *ReadPSDRLESizes(Image *image, const PSDInfo *psd_info,const size_t size) { MagickOffsetType *sizes; ssize_t y; sizes=(MagickOffsetType *) AcquireQuantumMemory(size,sizeof(*sizes)); if(sizes != (MagickOffsetType *) NULL) { for (y=0; y < (ssize_t) size; y++) { if (psd_info->version == 1) sizes[y]=(MagickOffsetType) ReadBlobShort(image); else sizes[y]=(MagickOffsetType) ReadBlobLong(image); } } return sizes; } static MagickBooleanType ReadPSDChannelRLE(Image *image,const PSDInfo *psd_info, const ssize_t type,MagickOffsetType *sizes,ExceptionInfo *exception) { MagickBooleanType status; size_t length, row_size; ssize_t count, y; unsigned char *compact_pixels, *pixels; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is RLE compressed"); row_size=GetPSDRowSize(image); pixels=(unsigned char *) AcquireQuantumMemory(row_size,sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); length=0; for (y=0; y < (ssize_t) image->rows; y++) if ((MagickOffsetType) length < sizes[y]) length=(size_t) sizes[y]; if (length > (row_size+2048)) /* arbitrary number */ { pixels=(unsigned char *) RelinquishMagickMemory(pixels); ThrowBinaryException(ResourceLimitError,"InvalidLength",image->filename); } compact_pixels=(unsigned char *) AcquireQuantumMemory(length,sizeof(*pixels)); if (compact_pixels == (unsigned char *) NULL) { pixels=(unsigned char *) RelinquishMagickMemory(pixels); ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } (void) memset(compact_pixels,0,length*sizeof(*compact_pixels)); status=MagickTrue; for (y=0; y < (ssize_t) image->rows; y++) { status=MagickFalse; count=ReadBlob(image,(size_t) sizes[y],compact_pixels); if (count != (ssize_t) sizes[y]) break; count=DecodePSDPixels((size_t) sizes[y],compact_pixels, (ssize_t) (image->depth == 1 ? 123456 : image->depth),row_size,pixels); if (count != (ssize_t) row_size) break; status=ReadPSDChannelPixels(image,psd_info->channels,y,type,pixels, exception); if (status == MagickFalse) break; } compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(status); } #ifdef MAGICKCORE_ZLIB_DELEGATE static MagickBooleanType ReadPSDChannelZip(Image *image,const size_t channels, const ssize_t type,const PSDCompressionType compression, const size_t compact_size,ExceptionInfo *exception) { MagickBooleanType status; register unsigned char *p; size_t count, length, packet_size, row_size; ssize_t y; unsigned char *compact_pixels, *pixels; z_stream stream; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is ZIP compressed"); if ((MagickSizeType) compact_size > GetBlobSize(image)) ThrowBinaryException(CorruptImageError,"UnexpectedEndOfFile", image->filename); compact_pixels=(unsigned char *) AcquireQuantumMemory(compact_size, sizeof(*compact_pixels)); if (compact_pixels == (unsigned char *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); packet_size=GetPSDPacketSize(image); row_size=image->columns*packet_size; count=image->rows*row_size; pixels=(unsigned char *) AcquireQuantumMemory(count,sizeof(*pixels)); if (pixels == (unsigned char *) NULL) { compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } if (ReadBlob(image,compact_size,compact_pixels) != (ssize_t) compact_size) { pixels=(unsigned char *) RelinquishMagickMemory(pixels); compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); ThrowBinaryException(CorruptImageError,"UnexpectedEndOfFile", image->filename); } memset(&stream,0,sizeof(stream)); stream.data_type=Z_BINARY; stream.next_in=(Bytef *)compact_pixels; stream.avail_in=(uInt) compact_size; stream.next_out=(Bytef *)pixels; stream.avail_out=(uInt) count; if (inflateInit(&stream) == Z_OK) { int ret; while (stream.avail_out > 0) { ret=inflate(&stream,Z_SYNC_FLUSH); if ((ret != Z_OK) && (ret != Z_STREAM_END)) { (void) inflateEnd(&stream); compact_pixels=(unsigned char *) RelinquishMagickMemory( compact_pixels); pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(MagickFalse); } if (ret == Z_STREAM_END) break; } (void) inflateEnd(&stream); } if (compression == ZipWithPrediction) { p=pixels; while (count > 0) { length=image->columns; while (--length) { if (packet_size == 2) { p[2]+=p[0]+((p[1]+p[3]) >> 8); p[3]+=p[1]; } /* else if (packet_size == 4) { TODO: Figure out what to do there. } */ else *(p+1)+=*p; p+=packet_size; } p+=packet_size; count-=row_size; } } status=MagickTrue; p=pixels; for (y=0; y < (ssize_t) image->rows; y++) { status=ReadPSDChannelPixels(image,channels,y,type,p,exception); if (status == MagickFalse) break; p+=row_size; } compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); pixels=(unsigned char *) RelinquishMagickMemory(pixels); return(status); } #endif static MagickBooleanType ReadPSDChannel(Image *image, const ImageInfo *image_info,const PSDInfo *psd_info,LayerInfo* layer_info, const size_t channel,const PSDCompressionType compression, ExceptionInfo *exception) { Image *channel_image, *mask; MagickOffsetType offset; MagickBooleanType status; channel_image=image; mask=(Image *) NULL; if ((layer_info->channel_info[channel].type < -1) && (layer_info->mask.page.width > 0) && (layer_info->mask.page.height > 0)) { const char *option; /* Ignore mask that is not a user supplied layer mask, if the mask is disabled or if the flags have unsupported values. */ option=GetImageOption(image_info,"psd:preserve-opacity-mask"); if ((layer_info->channel_info[channel].type != -2) || (layer_info->mask.flags > 2) || ((layer_info->mask.flags & 0x02) && (IsStringTrue(option) == MagickFalse))) { (void) SeekBlob(image,(MagickOffsetType) layer_info->channel_info[channel].size-2,SEEK_CUR); return(MagickTrue); } mask=CloneImage(image,layer_info->mask.page.width, layer_info->mask.page.height,MagickFalse,exception); if (mask != (Image *) NULL) { (void) SetImageType(mask,GrayscaleType,exception); channel_image=mask; } } offset=TellBlob(image); status=MagickFalse; switch(compression) { case Raw: status=ReadPSDChannelRaw(channel_image,psd_info->channels, (ssize_t) layer_info->channel_info[channel].type,exception); break; case RLE: { MagickOffsetType *sizes; sizes=ReadPSDRLESizes(channel_image,psd_info,channel_image->rows); if (sizes == (MagickOffsetType *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); status=ReadPSDChannelRLE(channel_image,psd_info, (ssize_t) layer_info->channel_info[channel].type,sizes,exception); sizes=(MagickOffsetType *) RelinquishMagickMemory(sizes); } break; case ZipWithPrediction: case ZipWithoutPrediction: #ifdef MAGICKCORE_ZLIB_DELEGATE status=ReadPSDChannelZip(channel_image,layer_info->channels, (ssize_t) layer_info->channel_info[channel].type,compression, layer_info->channel_info[channel].size-2,exception); #else (void) ThrowMagickException(exception,GetMagickModule(), MissingDelegateWarning,"DelegateLibrarySupportNotBuiltIn", "'%s' (ZLIB)",image->filename); #endif break; default: (void) ThrowMagickException(exception,GetMagickModule(),TypeWarning, "CompressionNotSupported","'%.20g'",(double) compression); break; } (void) SeekBlob(image,offset+layer_info->channel_info[channel].size-2, SEEK_SET); if (status == MagickFalse) { if (mask != (Image *) NULL) (void) DestroyImage(mask); ThrowBinaryException(CoderError,"UnableToDecompressImage", image->filename); } if (mask != (Image *) NULL) { if (layer_info->mask.image != (Image *) NULL) layer_info->mask.image=DestroyImage(layer_info->mask.image); layer_info->mask.image=mask; } return(status); } static MagickBooleanType ReadPSDLayer(Image *image,const ImageInfo *image_info, const PSDInfo *psd_info,LayerInfo* layer_info,ExceptionInfo *exception) { char message[MagickPathExtent]; MagickBooleanType status; PSDCompressionType compression; ssize_t j; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " setting up new layer image"); if (psd_info->mode != IndexedMode) (void) SetImageBackgroundColor(layer_info->image,exception); layer_info->image->compose=PSDBlendModeToCompositeOperator( layer_info->blendkey); if (layer_info->visible == MagickFalse) layer_info->image->compose=NoCompositeOp; /* Set up some hidden attributes for folks that need them. */ (void) FormatLocaleString(message,MagickPathExtent,"%.20g", (double) layer_info->page.x); (void) SetImageArtifact(layer_info->image,"psd:layer.x",message); (void) FormatLocaleString(message,MagickPathExtent,"%.20g", (double) layer_info->page.y); (void) SetImageArtifact(layer_info->image,"psd:layer.y",message); (void) FormatLocaleString(message,MagickPathExtent,"%.20g",(double) layer_info->opacity); (void) SetImageArtifact(layer_info->image,"psd:layer.opacity",message); (void) SetImageProperty(layer_info->image,"label",(char *) layer_info->name, exception); status=MagickTrue; for (j=0; j < (ssize_t) layer_info->channels; j++) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading data for channel %.20g",(double) j); compression=(PSDCompressionType) ReadBlobShort(layer_info->image); /* TODO: Remove this when we figure out how to support this */ if ((compression == ZipWithPrediction) && (image->depth == 32)) { (void) ThrowMagickException(exception,GetMagickModule(), TypeError,"CompressionNotSupported","ZipWithPrediction(32 bit)"); return(MagickFalse); } layer_info->image->compression=ConvertPSDCompression(compression); if (layer_info->channel_info[j].type == -1) layer_info->image->alpha_trait=BlendPixelTrait; status=ReadPSDChannel(layer_info->image,image_info,psd_info,layer_info, (size_t) j,compression,exception); if (status == MagickFalse) break; } if (status != MagickFalse) status=ApplyPSDLayerOpacity(layer_info->image,layer_info->opacity, MagickFalse,exception); if ((status != MagickFalse) && (layer_info->image->colorspace == CMYKColorspace)) status=NegateCMYK(layer_info->image,exception); if ((status != MagickFalse) && (layer_info->mask.image != (Image *) NULL)) { const char *option; layer_info->mask.image->page.x=layer_info->mask.page.x; layer_info->mask.image->page.y=layer_info->mask.page.y; /* Do not composite the mask when it is disabled */ if ((layer_info->mask.flags & 0x02) == 0x02) layer_info->mask.image->compose=NoCompositeOp; else status=ApplyPSDOpacityMask(layer_info->image,layer_info->mask.image, layer_info->mask.background == 0 ? 0 : QuantumRange,MagickFalse, exception); option=GetImageOption(image_info,"psd:preserve-opacity-mask"); if (IsStringTrue(option) != MagickFalse) PreservePSDOpacityMask(image,layer_info,exception); layer_info->mask.image=DestroyImage(layer_info->mask.image); } return(status); } static MagickBooleanType CheckPSDChannels(const PSDInfo *psd_info, LayerInfo *layer_info) { int channel_type; register ssize_t i; if (layer_info->channels < psd_info->min_channels) return(MagickFalse); channel_type=RedChannel; if (psd_info->min_channels >= 3) channel_type|=(GreenChannel | BlueChannel); if (psd_info->min_channels >= 4) channel_type|=BlackChannel; for (i=0; i < (ssize_t) layer_info->channels; i++) { short type; type=layer_info->channel_info[i].type; if (type == -1) { channel_type|=AlphaChannel; continue; } if (type < -1) continue; if (type == 0) channel_type&=~RedChannel; else if (type == 1) channel_type&=~GreenChannel; else if (type == 2) channel_type&=~BlueChannel; else if (type == 3) channel_type&=~BlackChannel; } if (channel_type == 0) return(MagickTrue); if ((channel_type == AlphaChannel) && (layer_info->channels >= psd_info->min_channels + 1)) return(MagickTrue); return(MagickFalse); } static void AttachPSDLayers(Image *image,LayerInfo *layer_info, ssize_t number_layers) { register ssize_t i; ssize_t j; for (i=0; i < number_layers; i++) { if (layer_info[i].image == (Image *) NULL) { for (j=i; j < number_layers - 1; j++) layer_info[j] = layer_info[j+1]; number_layers--; i--; } } if (number_layers == 0) return; 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); } static MagickBooleanType ReadPSDLayersInternal(Image *image, const ImageInfo *image_info,const PSDInfo *psd_info, const MagickBooleanType skip_layers,ExceptionInfo *exception) { char type[4]; LayerInfo *layer_info; MagickSizeType size; MagickBooleanType status; register ssize_t i; ssize_t count, j, number_layers; size=GetPSDSize(psd_info,image); if (size == 0) { /* Skip layers & masks. */ (void) ReadBlobLong(image); count=ReadBlob(image,4,(unsigned char *) type); if (count == 4) ReversePSDString(image,type,(size_t) count); if ((count != 4) || (LocaleNCompare(type,"8BIM",4) != 0)) return(MagickTrue); else { count=ReadBlob(image,4,(unsigned char *) type); if (count == 4) ReversePSDString(image,type,4); if ((count == 4) && ((LocaleNCompare(type,"Lr16",4) == 0) || (LocaleNCompare(type,"Lr32",4) == 0))) size=GetPSDSize(psd_info,image); else return(MagickTrue); } } if (size == 0) return(MagickTrue); layer_info=(LayerInfo *) NULL; number_layers=(ssize_t) ReadBlobSignedShort(image); if (number_layers < 0) { /* The first alpha channel in the merged result contains the transparency data for the merged result. */ number_layers=MagickAbsoluteValue(number_layers); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " negative layer count corrected for"); image->alpha_trait=BlendPixelTrait; } /* We only need to know if the image has an alpha channel */ if (skip_layers != MagickFalse) return(MagickTrue); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " image contains %.20g layers",(double) number_layers); if (number_layers == 0) ThrowBinaryException(CorruptImageError,"InvalidNumberOfLayers", image->filename); layer_info=(LayerInfo *) AcquireQuantumMemory((size_t) number_layers, sizeof(*layer_info)); if (layer_info == (LayerInfo *) NULL) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " allocation of LayerInfo failed"); ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } (void) memset(layer_info,0,(size_t) number_layers*sizeof(*layer_info)); for (i=0; i < number_layers; i++) { ssize_t x, y; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading layer #%.20g",(double) i+1); layer_info[i].page.y=(ssize_t) ReadBlobSignedLong(image); layer_info[i].page.x=(ssize_t) ReadBlobSignedLong(image); y=(ssize_t) ReadBlobSignedLong(image); x=(ssize_t) ReadBlobSignedLong(image); layer_info[i].page.width=(size_t) (x-layer_info[i].page.x); layer_info[i].page.height=(size_t) (y-layer_info[i].page.y); layer_info[i].channels=ReadBlobShort(image); if (layer_info[i].channels > MaxPSDChannels) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError,"MaximumChannelsExceeded", image->filename); } if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " offset(%.20g,%.20g), size(%.20g,%.20g), channels=%.20g", (double) layer_info[i].page.x,(double) layer_info[i].page.y, (double) layer_info[i].page.height,(double) layer_info[i].page.width,(double) layer_info[i].channels); for (j=0; j < (ssize_t) layer_info[i].channels; j++) { layer_info[i].channel_info[j].type=(short) ReadBlobShort(image); if ((layer_info[i].channel_info[j].type < -4) || (layer_info[i].channel_info[j].type > 4)) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError,"NoSuchImageChannel", image->filename); } 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); } if (CheckPSDChannels(psd_info,&layer_info[i]) == MagickFalse) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError,"ImproperImageHeader", image->filename); } count=ReadBlob(image,4,(unsigned char *) type); if (count == 4) ReversePSDString(image,type,4); if ((count != 4) || (LocaleNCompare(type,"8BIM",4) != 0)) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer type was %.4s instead of 8BIM", type); layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError,"ImproperImageHeader", image->filename); } count=ReadBlob(image,4,(unsigned char *) layer_info[i].blendkey); if (count != 4) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError,"ImproperImageHeader", image->filename); } ReversePSDString(image,layer_info[i].blendkey,4); layer_info[i].opacity=(Quantum) ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); layer_info[i].clipping=(unsigned char) ReadBlobByte(image); layer_info[i].flags=(unsigned char) ReadBlobByte(image); layer_info[i].visible=!(layer_info[i].flags & 0x02); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " blend=%.4s, opacity=%.20g, clipping=%s, flags=%d, visible=%s", layer_info[i].blendkey,(double) layer_info[i].opacity, layer_info[i].clipping ? "true" : "false",layer_info[i].flags, layer_info[i].visible ? "true" : "false"); (void) ReadBlobByte(image); /* filler */ size=ReadBlobLong(image); if (size != 0) { MagickSizeType combined_length, length; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer contains additional info"); length=ReadBlobLong(image); combined_length=length+4; if (length != 0) { /* Layer mask info. */ layer_info[i].mask.page.y=(ssize_t) ReadBlobSignedLong(image); layer_info[i].mask.page.x=(ssize_t) ReadBlobSignedLong(image); layer_info[i].mask.page.height=(size_t) (ReadBlobSignedLong(image)-layer_info[i].mask.page.y); layer_info[i].mask.page.width=(size_t) ( ReadBlobSignedLong(image)-layer_info[i].mask.page.x); layer_info[i].mask.background=(unsigned char) ReadBlobByte( image); layer_info[i].mask.flags=(unsigned char) ReadBlobByte(image); if (!(layer_info[i].mask.flags & 0x01)) { layer_info[i].mask.page.y=layer_info[i].mask.page.y- layer_info[i].page.y; layer_info[i].mask.page.x=layer_info[i].mask.page.x- layer_info[i].page.x; } if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer mask: offset(%.20g,%.20g), size(%.20g,%.20g), length=%.20g", (double) layer_info[i].mask.page.x,(double) layer_info[i].mask.page.y,(double) layer_info[i].mask.page.width,(double) layer_info[i].mask.page.height,(double) ((MagickOffsetType) length)-18); /* Skip over the rest of the layer mask information. */ if (DiscardBlobBytes(image,(MagickSizeType) (length-18)) == MagickFalse) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError, "UnexpectedEndOfFile",image->filename); } } length=ReadBlobLong(image); combined_length+=length+4; if (length != 0) { /* Layer blending ranges info. */ if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer blending ranges: length=%.20g",(double) ((MagickOffsetType) length)); if (DiscardBlobBytes(image,length) == MagickFalse) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError, "UnexpectedEndOfFile",image->filename); } } /* Layer name. */ length=(MagickSizeType) (unsigned char) ReadBlobByte(image); combined_length+=length+1; if (length > 0) (void) ReadBlob(image,(size_t) length++,layer_info[i].name); layer_info[i].name[length]='\0'; if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer name: %s",layer_info[i].name); if ((length % 4) != 0) { length=4-(length % 4); combined_length+=length; /* Skip over the padding of the layer name */ if (DiscardBlobBytes(image,length) == MagickFalse) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError, "UnexpectedEndOfFile",image->filename); } } length=(MagickSizeType) size-combined_length; if (length > 0) { unsigned char *info; if (length > GetBlobSize(image)) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError, "InsufficientImageDataInFile",image->filename); } layer_info[i].info=AcquireStringInfo((const size_t) length); info=GetStringInfoDatum(layer_info[i].info); (void) ReadBlob(image,(const size_t) length,info); } } } for (i=0; i < number_layers; i++) { if ((layer_info[i].page.width == 0) || (layer_info[i].page.height == 0)) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " layer data is empty"); if (layer_info[i].info != (StringInfo *) NULL) layer_info[i].info=DestroyStringInfo(layer_info[i].info); continue; } /* Allocate layered image. */ layer_info[i].image=CloneImage(image,layer_info[i].page.width, layer_info[i].page.height,MagickFalse,exception); if (layer_info[i].image == (Image *) NULL) { layer_info=DestroyLayerInfo(layer_info,number_layers); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " allocation of image for layer %.20g failed",(double) i); ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } if (layer_info[i].info != (StringInfo *) NULL) { (void) SetImageProfile(layer_info[i].image,"psd:additional-info", layer_info[i].info,exception); layer_info[i].info=DestroyStringInfo(layer_info[i].info); } } if (image_info->ping != MagickFalse) { AttachPSDLayers(image,layer_info,number_layers); return(MagickTrue); } status=MagickTrue; for (i=0; i < number_layers; i++) { if (layer_info[i].image == (Image *) NULL) { for (j=0; j < (ssize_t) layer_info[i].channels; j++) { if (DiscardBlobBytes(image,(MagickSizeType) layer_info[i].channel_info[j].size) == MagickFalse) { layer_info=DestroyLayerInfo(layer_info,number_layers); ThrowBinaryException(CorruptImageError, "UnexpectedEndOfFile",image->filename); } } continue; } if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading data for layer %.20g",(double) i); status=ReadPSDLayer(image,image_info,psd_info,&layer_info[i], exception); if (status == MagickFalse) break; status=SetImageProgress(image,LoadImagesTag,(MagickOffsetType) i, (MagickSizeType) number_layers); if (status == MagickFalse) break; } if (status != MagickFalse) AttachPSDLayers(image,layer_info,number_layers); else layer_info=DestroyLayerInfo(layer_info,number_layers); return(status); } ModuleExport MagickBooleanType ReadPSDLayers(Image *image, const ImageInfo *image_info,const PSDInfo *psd_info,ExceptionInfo *exception) { PolicyDomain domain; PolicyRights rights; domain=CoderPolicyDomain; rights=ReadPolicyRights; if (IsRightsAuthorized(domain,rights,"PSD") == MagickFalse) return(MagickTrue); return(ReadPSDLayersInternal(image,image_info,psd_info,MagickFalse, exception)); } static MagickBooleanType ReadPSDMergedImage(const ImageInfo *image_info, Image *image,const PSDInfo *psd_info,ExceptionInfo *exception) { MagickOffsetType *sizes; MagickBooleanType status; PSDCompressionType compression; register ssize_t i; compression=(PSDCompressionType) ReadBlobMSBShort(image); image->compression=ConvertPSDCompression(compression); if (compression != Raw && compression != RLE) { (void) ThrowMagickException(exception,GetMagickModule(), TypeWarning,"CompressionNotSupported","'%.20g'",(double) compression); return(MagickFalse); } sizes=(MagickOffsetType *) NULL; if (compression == RLE) { sizes=ReadPSDRLESizes(image,psd_info,image->rows*psd_info->channels); if (sizes == (MagickOffsetType *) NULL) ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", image->filename); } status=MagickTrue; for (i=0; i < (ssize_t) psd_info->channels; i++) { ssize_t type; type=i; if ((type == 1) && (psd_info->channels == 2)) type=-1; if (compression == RLE) status=ReadPSDChannelRLE(image,psd_info,type,sizes+(i*image->rows), exception); else status=ReadPSDChannelRaw(image,psd_info->channels,type,exception); if (status != MagickFalse) status=SetImageProgress(image,LoadImagesTag,(MagickOffsetType) i, psd_info->channels); if (status == MagickFalse) break; } if ((status != MagickFalse) && (image->colorspace == CMYKColorspace)) status=NegateCMYK(image,exception); if (status != MagickFalse) status=CorrectPSDAlphaBlend(image_info,image,exception); sizes=(MagickOffsetType *) RelinquishMagickMemory(sizes); return(status); } static Image *ReadPSDImage(const ImageInfo *image_info,ExceptionInfo *exception) { Image *image; MagickBooleanType has_merged_image, skip_layers; MagickOffsetType offset; MagickSizeType length; MagickBooleanType status; PSDInfo psd_info; register ssize_t i; size_t imageListLength; ssize_t count; StringInfo *profile; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); image=AcquireImage(image_info,exception); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } /* Read image header. */ image->endian=MSBEndian; count=ReadBlob(image,4,(unsigned char *) psd_info.signature); psd_info.version=ReadBlobMSBShort(image); if ((count != 4) || (LocaleNCompare(psd_info.signature,"8BPS",4) != 0) || ((psd_info.version != 1) && (psd_info.version != 2))) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); (void) ReadBlob(image,6,psd_info.reserved); psd_info.channels=ReadBlobMSBShort(image); if (psd_info.channels < 1) ThrowReaderException(CorruptImageError,"MissingImageChannel"); 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) && (psd_info.depth != 32)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); psd_info.mode=ReadBlobMSBShort(image); if ((psd_info.mode == IndexedMode) && (psd_info.channels > 3)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 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)); if (EOFBlob(image) != MagickFalse) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); /* Initialize image. */ image->depth=psd_info.depth; image->columns=psd_info.columns; image->rows=psd_info.rows; status=SetImageExtent(image,image->columns,image->rows,exception); if (status == MagickFalse) return(DestroyImageList(image)); status=ResetImagePixels(image,exception); if (status == MagickFalse) return(DestroyImageList(image)); psd_info.min_channels=3; if (psd_info.mode == LabMode) (void) SetImageColorspace(image,LabColorspace,exception); if (psd_info.mode == CMYKMode) { psd_info.min_channels=4; (void) SetImageColorspace(image,CMYKColorspace,exception); } else if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) || (psd_info.mode == DuotoneMode)) { if (psd_info.depth != 32) { status=AcquireImageColormap(image,(size_t) (psd_info.depth < 16 ? 256 : 65536),exception); if (status == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " Image colormap allocated"); } psd_info.min_channels=1; (void) SetImageColorspace(image,GRAYColorspace,exception); } if (psd_info.channels < psd_info.min_channels) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); /* Read PSD raster colormap only present for indexed and duotone images. */ length=ReadBlobMSBLong(image); if ((psd_info.mode == IndexedMode) && (length < 3)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); if (length != 0) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading colormap"); if ((psd_info.mode == DuotoneMode) || (psd_info.depth == 32)) { /* Duotone image data; the format of this data is undocumented. 32 bits per pixel; the colormap is ignored. */ (void) SeekBlob(image,(const MagickOffsetType) length,SEEK_CUR); } else { size_t number_colors; /* Read PSD raster colormap. */ number_colors=(size_t) length/3; if (number_colors > 65536) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); if (AcquireImageColormap(image,number_colors,exception) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); for (i=0; i < (ssize_t) image->colors; i++) image->colormap[i].red=(MagickRealType) ScaleCharToQuantum( (unsigned char) ReadBlobByte(image)); for (i=0; i < (ssize_t) image->colors; i++) image->colormap[i].green=(MagickRealType) ScaleCharToQuantum( (unsigned char) ReadBlobByte(image)); for (i=0; i < (ssize_t) image->colors; i++) image->colormap[i].blue=(MagickRealType) ScaleCharToQuantum( (unsigned char) ReadBlobByte(image)); image->alpha_trait=UndefinedPixelTrait; } } if ((image->depth == 1) && (image->storage_class != PseudoClass)) ThrowReaderException(CorruptImageError, "ImproperImageHeader"); has_merged_image=MagickTrue; profile=(StringInfo *) NULL; 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)); if (length > GetBlobSize(image)) ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile"); 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) || (length < 4) || (LocaleNCompare((char *) blocks,"8BIM",4) != 0)) { blocks=(unsigned char *) RelinquishMagickMemory(blocks); ThrowReaderException(CorruptImageError,"ImproperImageHeader"); } profile=ParseImageResourceBlocks(image,blocks,(size_t) length, &has_merged_image,exception); blocks=(unsigned char *) RelinquishMagickMemory(blocks); } /* Layer and mask block. */ length=GetPSDSize(&psd_info,image); if (length == 8) { length=ReadBlobMSBLong(image); length=ReadBlobMSBLong(image); } offset=TellBlob(image); skip_layers=MagickFalse; if ((image_info->number_scenes == 1) && (image_info->scene == 0) && (has_merged_image != MagickFalse)) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " read composite only"); skip_layers=MagickTrue; } if (length == 0) { if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " image has no layers"); } else { if (ReadPSDLayersInternal(image,image_info,&psd_info,skip_layers, exception) != MagickTrue) { if (profile != (StringInfo *) NULL) profile=DestroyStringInfo(profile); (void) CloseBlob(image); image=DestroyImageList(image); return((Image *) NULL); } /* Skip the rest of the layer and mask information. */ (void) SeekBlob(image,offset+length,SEEK_SET); } /* If we are only "pinging" the image, then we're done - so return. */ if (EOFBlob(image) != MagickFalse) { if (profile != (StringInfo *) NULL) profile=DestroyStringInfo(profile); ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile"); } if (image_info->ping != MagickFalse) { if (profile != (StringInfo *) NULL) profile=DestroyStringInfo(profile); (void) CloseBlob(image); return(GetFirstImageInList(image)); } /* Read the precombined layer, present for PSD < 4 compatibility. */ if (image->debug != MagickFalse) (void) LogMagickEvent(CoderEvent,GetMagickModule(), " reading the precombined layer"); imageListLength=GetImageListLength(image); if ((has_merged_image != MagickFalse) || (imageListLength == 1)) has_merged_image=(MagickBooleanType) ReadPSDMergedImage(image_info,image, &psd_info,exception); if ((has_merged_image == MagickFalse) && (imageListLength == 1) && (length != 0)) { (void) SeekBlob(image,offset,SEEK_SET); status=ReadPSDLayersInternal(image,image_info,&psd_info,MagickFalse, exception); if (status != MagickTrue) { if (profile != (StringInfo *) NULL) profile=DestroyStringInfo(profile); (void) CloseBlob(image); image=DestroyImageList(image); return((Image *) NULL); } } if (has_merged_image == MagickFalse) { Image *merged; if (imageListLength == 1) { if (profile != (StringInfo *) NULL) profile=DestroyStringInfo(profile); ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile"); } image->background_color.alpha=(MagickRealType) TransparentAlpha; image->background_color.alpha_trait=BlendPixelTrait; (void) SetImageBackgroundColor(image,exception); merged=MergeImageLayers(image,FlattenLayer,exception); ReplaceImageInList(&image,merged); } if (profile != (StringInfo *) NULL) { Image *next; next=image; while (next != (Image *) NULL) { (void) SetImageProfile(next,GetStringInfoName(profile),profile, exception); next=next->next; } profile=DestroyStringInfo(profile); } (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=AcquireMagickInfo("PSD","PSB","Adobe Large Document Format"); entry->decoder=(DecodeImageHandler *) ReadPSDImage; entry->encoder=(EncodeImageHandler *) WritePSDImage; entry->magick=(IsImageFormatHandler *) IsPSD; entry->flags|=CoderDecoderSeekableStreamFlag; entry->flags|=CoderEncoderSeekableStreamFlag; (void) RegisterMagickInfo(entry); entry=AcquireMagickInfo("PSD","PSD","Adobe Photoshop bitmap"); entry->decoder=(DecodeImageHandler *) ReadPSDImage; entry->encoder=(EncodeImageHandler *) WritePSDImage; entry->magick=(IsImageFormatHandler *) IsPSD; entry->flags|=CoderDecoderSeekableStreamFlag; entry->flags|=CoderEncoderSeekableStreamFlag; (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 int) offset)); } static inline ssize_t WritePSDOffset(const PSDInfo *psd_info,Image *image, const MagickSizeType size,const MagickOffsetType offset) { MagickOffsetType current_offset; ssize_t result; current_offset=TellBlob(image); (void) SeekBlob(image,offset,SEEK_SET); if (psd_info->version == 1) result=WriteBlobMSBShort(image,(unsigned short) size); else result=WriteBlobMSBLong(image,(unsigned int) size); (void) SeekBlob(image,current_offset,SEEK_SET); return(result); } static inline ssize_t SetPSDSize(const PSDInfo *psd_info,Image *image, const MagickSizeType size) { if (psd_info->version == 1) return(WriteBlobLong(image,(unsigned int) size)); return(WriteBlobLongLong(image,size)); } static inline ssize_t WritePSDSize(const PSDInfo *psd_info,Image *image, const MagickSizeType size,const MagickOffsetType offset) { MagickOffsetType current_offset; ssize_t result; current_offset=TellBlob(image); (void) SeekBlob(image,offset,SEEK_SET); result=SetPSDSize(psd_info,image,size); (void) SeekBlob(image,current_offset,SEEK_SET); return(result); } 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 == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(pixels != (unsigned char *) NULL); assert(compact_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 size_t WriteCompressionStart(const PSDInfo *psd_info,Image *image, const Image *next_image,const CompressionType compression, const ssize_t channels) { size_t length; ssize_t i, y; if (compression == RLECompression) { length=(size_t) WriteBlobShort(image,RLE); for (i=0; i < channels; i++) for (y=0; y < (ssize_t) next_image->rows; y++) length+=SetPSDOffset(psd_info,image,0); } #ifdef MAGICKCORE_ZLIB_DELEGATE else if (compression == ZipCompression) length=(size_t) WriteBlobShort(image,ZipWithoutPrediction); #endif else length=(size_t) WriteBlobShort(image,Raw); return(length); } static size_t WritePSDChannel(const PSDInfo *psd_info, const ImageInfo *image_info,Image *image,Image *next_image, const QuantumType quantum_type, unsigned char *compact_pixels, MagickOffsetType size_offset,const MagickBooleanType separate, const CompressionType compression,ExceptionInfo *exception) { MagickBooleanType monochrome; QuantumInfo *quantum_info; register const Quantum *p; register ssize_t i; size_t count, length; ssize_t y; unsigned char *pixels; #ifdef MAGICKCORE_ZLIB_DELEGATE #define CHUNK 16384 int flush, level; unsigned char *compressed_pixels; z_stream stream; compressed_pixels=(unsigned char *) NULL; flush=Z_NO_FLUSH; #endif count=0; if (separate != MagickFalse) { size_offset=TellBlob(image)+2; count+=WriteCompressionStart(psd_info,image,next_image,compression,1); } if (next_image->depth > 8) next_image->depth=16; monochrome=IsImageMonochrome(image) && (image->depth == 1) ? MagickTrue : MagickFalse; quantum_info=AcquireQuantumInfo(image_info,next_image); if (quantum_info == (QuantumInfo *) NULL) return(0); pixels=(unsigned char *) GetQuantumPixels(quantum_info); #ifdef MAGICKCORE_ZLIB_DELEGATE if (compression == ZipCompression) { compressed_pixels=(unsigned char *) AcquireQuantumMemory(CHUNK, sizeof(*compressed_pixels)); if (compressed_pixels == (unsigned char *) NULL) { quantum_info=DestroyQuantumInfo(quantum_info); return(0); } memset(&stream,0,sizeof(stream)); stream.data_type=Z_BINARY; level=Z_DEFAULT_COMPRESSION; if ((image_info->quality > 0 && image_info->quality < 10)) level=(int) image_info->quality; if (deflateInit(&stream,level) != Z_OK) { quantum_info=DestroyQuantumInfo(quantum_info); return(0); } } #endif 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 (compression == RLECompression) { length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels, exception); count+=WriteBlob(image,length,compact_pixels); size_offset+=WritePSDOffset(psd_info,image,length,size_offset); } #ifdef MAGICKCORE_ZLIB_DELEGATE else if (compression == ZipCompression) { stream.avail_in=(uInt) length; stream.next_in=(Bytef *) pixels; if (y == (ssize_t) next_image->rows-1) flush=Z_FINISH; do { stream.avail_out=(uInt) CHUNK; stream.next_out=(Bytef *) compressed_pixels; if (deflate(&stream,flush) == Z_STREAM_ERROR) break; length=(size_t) CHUNK-stream.avail_out; if (length > 0) count+=WriteBlob(image,length,compressed_pixels); } while (stream.avail_out == 0); } #endif else count+=WriteBlob(image,length,pixels); } #ifdef MAGICKCORE_ZLIB_DELEGATE if (compression == ZipCompression) { (void) deflateEnd(&stream); compressed_pixels=(unsigned char *) RelinquishMagickMemory( compressed_pixels); } #endif quantum_info=DestroyQuantumInfo(quantum_info); return(count); } static unsigned char *AcquireCompactPixels(const Image *image, ExceptionInfo *exception) { size_t packet_size; unsigned char *compact_pixels; packet_size=image->depth > 8UL ? 2UL : 1UL; compact_pixels=(unsigned char *) AcquireQuantumMemory((9* image->columns)+1,packet_size*sizeof(*compact_pixels)); if (compact_pixels == (unsigned char *) NULL) { (void) ThrowMagickException(exception,GetMagickModule(), ResourceLimitError,"MemoryAllocationFailed","`%s'",image->filename); } return(compact_pixels); } static size_t WritePSDChannels(const PSDInfo *psd_info, const ImageInfo *image_info,Image *image,Image *next_image, MagickOffsetType size_offset,const MagickBooleanType separate, ExceptionInfo *exception) { CompressionType compression; Image *mask; MagickOffsetType rows_offset; size_t channels, count, length, offset_length; unsigned char *compact_pixels; count=0; offset_length=0; rows_offset=0; compact_pixels=(unsigned char *) NULL; compression=next_image->compression; if (image_info->compression != UndefinedCompression) compression=image_info->compression; if (compression == RLECompression) { compact_pixels=AcquireCompactPixels(next_image,exception); if (compact_pixels == (unsigned char *) NULL) return(0); } channels=1; if (separate == MagickFalse) { if (next_image->storage_class != PseudoClass) { if (IsImageGray(next_image) == MagickFalse) channels=(size_t) (next_image->colorspace == CMYKColorspace ? 4 : 3); if (next_image->alpha_trait != UndefinedPixelTrait) channels++; } rows_offset=TellBlob(image)+2; count+=WriteCompressionStart(psd_info,image,next_image,compression, (ssize_t) channels); offset_length=(next_image->rows*(psd_info->version == 1 ? 2 : 4)); } size_offset+=2; if (next_image->storage_class == PseudoClass) { length=WritePSDChannel(psd_info,image_info,image,next_image, IndexQuantum,compact_pixels,rows_offset,separate,compression, exception); if (separate != MagickFalse) size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2; else rows_offset+=offset_length; count+=length; } else { if (IsImageGray(next_image) != MagickFalse) { length=WritePSDChannel(psd_info,image_info,image,next_image, GrayQuantum,compact_pixels,rows_offset,separate,compression, exception); if (separate != MagickFalse) size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2; else rows_offset+=offset_length; count+=length; } else { if (next_image->colorspace == CMYKColorspace) (void) NegateCMYK(next_image,exception); length=WritePSDChannel(psd_info,image_info,image,next_image, RedQuantum,compact_pixels,rows_offset,separate,compression, exception); if (separate != MagickFalse) size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2; else rows_offset+=offset_length; count+=length; length=WritePSDChannel(psd_info,image_info,image,next_image, GreenQuantum,compact_pixels,rows_offset,separate,compression, exception); if (separate != MagickFalse) size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2; else rows_offset+=offset_length; count+=length; length=WritePSDChannel(psd_info,image_info,image,next_image, BlueQuantum,compact_pixels,rows_offset,separate,compression, exception); if (separate != MagickFalse) size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2; else rows_offset+=offset_length; count+=length; if (next_image->colorspace == CMYKColorspace) { length=WritePSDChannel(psd_info,image_info,image,next_image, BlackQuantum,compact_pixels,rows_offset,separate,compression, exception); if (separate != MagickFalse) size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2; else rows_offset+=offset_length; count+=length; } } if (next_image->alpha_trait != UndefinedPixelTrait) { length=WritePSDChannel(psd_info,image_info,image,next_image, AlphaQuantum,compact_pixels,rows_offset,separate,compression, exception); if (separate != MagickFalse) size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2; else rows_offset+=offset_length; count+=length; } } compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); if (next_image->colorspace == CMYKColorspace) (void) NegateCMYK(next_image,exception); if (separate != MagickFalse) { const char *property; property=GetImageArtifact(next_image,"psd:opacity-mask"); if (property != (const char *) NULL) { mask=(Image *) GetImageRegistry(ImageRegistryType,property, exception); if (mask != (Image *) NULL) { if (compression == RLECompression) { compact_pixels=AcquireCompactPixels(mask,exception); if (compact_pixels == (unsigned char *) NULL) return(0); } length=WritePSDChannel(psd_info,image_info,image,mask, RedQuantum,compact_pixels,rows_offset,MagickTrue,compression, exception); (void) WritePSDSize(psd_info,image,length,size_offset); count+=length; compact_pixels=(unsigned char *) RelinquishMagickMemory( compact_pixels); } } } return(count); } static size_t WritePascalString(Image *image,const char *value,size_t padding) { size_t count, length; register ssize_t i; /* Max length is 255. */ count=0; length=(strlen(value) > 255UL ) ? 255UL : strlen(value); if (length == 0) count+=WriteBlobByte(image,0); else { count+=WriteBlobByte(image,(unsigned char) length); count+=WriteBlob(image,length,(const unsigned char *) value); } length++; if ((length % padding) == 0) return(count); for (i=0; i < (ssize_t) (padding-(length % padding)); i++) count+=WriteBlobByte(image,0); return(count); } static void WriteResolutionResourceBlock(Image *image) { double x_resolution, y_resolution; unsigned short units; if (image->units == PixelsPerCentimeterResolution) { x_resolution=2.54*65536.0*image->resolution.x+0.5; y_resolution=2.54*65536.0*image->resolution.y+0.5; units=2; } else { x_resolution=65536.0*image->resolution.x+0.5; y_resolution=65536.0*image->resolution.y+0.5; units=1; } (void) WriteBlob(image,4,(const unsigned char *) "8BIM"); (void) WriteBlobMSBShort(image,0x03ED); (void) WriteBlobMSBShort(image,0); (void) WriteBlobMSBLong(image,16); /* resource size */ (void) WriteBlobMSBLong(image,(unsigned int) (x_resolution+0.5)); (void) WriteBlobMSBShort(image,units); /* horizontal resolution unit */ (void) WriteBlobMSBShort(image,units); /* width unit */ (void) WriteBlobMSBLong(image,(unsigned int) (y_resolution+0.5)); (void) WriteBlobMSBShort(image,units); /* vertical resolution unit */ (void) WriteBlobMSBShort(image,units); /* height unit */ } static inline size_t WriteChannelSize(const PSDInfo *psd_info,Image *image, const signed short channel) { size_t count; count=(size_t) WriteBlobShort(image,(const unsigned short) channel); count+=SetPSDSize(psd_info,image,0); return(count); } 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) { ssize_t quantum; quantum=PSDQuantum(count)+12; if ((quantum >= 12) && (quantum < (ssize_t) length)) { if ((q+quantum < (datum+length-16))) (void) memmove(q,q+quantum,length-quantum-(q-datum)); SetStringInfoLength(bim_profile,length-quantum); } 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; ssize_t cnt; q=(unsigned char *) p; if (LocaleNCompare((const char *) p,"8BIM",4) != 0) return; p=PushLongPixel(MSBEndian,p,&long_sans); p=PushShortPixel(MSBEndian,p,&id); p=PushShortPixel(MSBEndian,p,&short_sans); p=PushLongPixel(MSBEndian,p,&count); cnt=PSDQuantum(count); if (cnt < 0) return; if ((id == 0x000003ed) && (cnt < (ssize_t) (length-12)) && ((ssize_t) length-(cnt+12)-(q-datum)) > 0) { (void) memmove(q,q+cnt+12,length-(cnt+12)-(q-datum)); SetStringInfoLength(bim_profile,length-(cnt+12)); break; } p+=count; if ((count & 0x01) != 0) p++; } } static const StringInfo *GetAdditionalInformation(const ImageInfo *image_info, Image *image,ExceptionInfo *exception) { #define PSDKeySize 5 #define PSDAllowedLength 36 char key[PSDKeySize]; /* Whitelist of keys from: https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/ */ const char allowed[PSDAllowedLength][PSDKeySize] = { "blnc", "blwh", "brit", "brst", "clbl", "clrL", "curv", "expA", "FMsk", "GdFl", "grdm", "hue ", "hue2", "infx", "knko", "lclr", "levl", "lnsr", "lfx2", "luni", "lrFX", "lspf", "lyid", "lyvr", "mixr", "nvrt", "phfl", "post", "PtFl", "selc", "shpa", "sn2P", "SoCo", "thrs", "tsly", "vibA" }, *option; const StringInfo *info; MagickBooleanType found; register size_t i; size_t remaining_length, length; StringInfo *profile; unsigned char *p; unsigned int size; info=GetImageProfile(image,"psd:additional-info"); if (info == (const StringInfo *) NULL) return((const StringInfo *) NULL); option=GetImageOption(image_info,"psd:additional-info"); if (LocaleCompare(option,"all") == 0) return(info); if (LocaleCompare(option,"selective") != 0) { profile=RemoveImageProfile(image,"psd:additional-info"); return(DestroyStringInfo(profile)); } length=GetStringInfoLength(info); p=GetStringInfoDatum(info); remaining_length=length; length=0; while (remaining_length >= 12) { /* skip over signature */ p+=4; key[0]=(char) (*p++); key[1]=(char) (*p++); key[2]=(char) (*p++); key[3]=(char) (*p++); key[4]='\0'; size=(unsigned int) (*p++) << 24; size|=(unsigned int) (*p++) << 16; size|=(unsigned int) (*p++) << 8; size|=(unsigned int) (*p++); size=size & 0xffffffff; remaining_length-=12; if ((size_t) size > remaining_length) return((const StringInfo *) NULL); found=MagickFalse; for (i=0; i < PSDAllowedLength; i++) { if (LocaleNCompare(key,allowed[i],PSDKeySize) != 0) continue; found=MagickTrue; break; } remaining_length-=(size_t) size; if (found == MagickFalse) { if (remaining_length > 0) p=(unsigned char *) memmove(p-12,p+size,remaining_length); continue; } length+=(size_t) size+12; p+=size; } profile=RemoveImageProfile(image,"psd:additional-info"); if (length == 0) return(DestroyStringInfo(profile)); SetStringInfoLength(profile,(const size_t) length); (void) SetImageProfile(image,"psd:additional-info",info,exception); return(profile); } static MagickBooleanType WritePSDLayersInternal(Image *image, const ImageInfo *image_info,const PSDInfo *psd_info,size_t *layers_size, ExceptionInfo *exception) { char layer_name[MagickPathExtent]; const char *property; const StringInfo *info; Image *base_image, *next_image; MagickBooleanType status; MagickOffsetType *layer_size_offsets, size_offset; register ssize_t i; size_t layer_count, layer_index, length, name_length, rounded_size, size; status=MagickTrue; base_image=GetNextImageInList(image); if (base_image == (Image *) NULL) base_image=image; size=0; size_offset=TellBlob(image); (void) SetPSDSize(psd_info,image,0); layer_count=0; for (next_image=base_image; next_image != NULL; ) { layer_count++; next_image=GetNextImageInList(next_image); } if (image->alpha_trait != UndefinedPixelTrait) size+=WriteBlobShort(image,-(unsigned short) layer_count); else size+=WriteBlobShort(image,(unsigned short) layer_count); layer_size_offsets=(MagickOffsetType *) AcquireQuantumMemory( (size_t) layer_count,sizeof(MagickOffsetType)); if (layer_size_offsets == (MagickOffsetType *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); layer_index=0; for (next_image=base_image; next_image != NULL; ) { Image *mask; unsigned char default_color; unsigned short channels, total_channels; mask=(Image *) NULL; property=GetImageArtifact(next_image,"psd:opacity-mask"); default_color=0; if (property != (const char *) NULL) { mask=(Image *) GetImageRegistry(ImageRegistryType,property,exception); default_color=(unsigned char) (strlen(property) == 9 ? 255 : 0); } size+=WriteBlobSignedLong(image,(signed int) next_image->page.y); size+=WriteBlobSignedLong(image,(signed int) next_image->page.x); size+=WriteBlobSignedLong(image,(signed int) (next_image->page.y+ next_image->rows)); size+=WriteBlobSignedLong(image,(signed int) (next_image->page.x+ next_image->columns)); channels=1; if ((next_image->storage_class != PseudoClass) && (IsImageGray(next_image) == MagickFalse)) channels=(unsigned short) (next_image->colorspace == CMYKColorspace ? 4 : 3); total_channels=channels; if (next_image->alpha_trait != UndefinedPixelTrait) total_channels++; if (mask != (Image *) NULL) total_channels++; size+=WriteBlobShort(image,total_channels); layer_size_offsets[layer_index++]=TellBlob(image); for (i=0; i < (ssize_t) channels; i++) size+=WriteChannelSize(psd_info,image,(signed short) i); if (next_image->alpha_trait != UndefinedPixelTrait) size+=WriteChannelSize(psd_info,image,-1); if (mask != (Image *) NULL) size+=WriteChannelSize(psd_info,image,-2); size+=WriteBlobString(image,image->endian == LSBEndian ? "MIB8" :"8BIM"); size+=WriteBlobString(image,CompositeOperatorToPSDBlendMode(next_image)); property=GetImageArtifact(next_image,"psd:layer.opacity"); if (property != (const char *) NULL) { Quantum opacity; opacity=(Quantum) StringToInteger(property); size+=WriteBlobByte(image,ScaleQuantumToChar(opacity)); (void) ApplyPSDLayerOpacity(next_image,opacity,MagickTrue,exception); } else size+=WriteBlobByte(image,255); size+=WriteBlobByte(image,0); size+=WriteBlobByte(image,(const unsigned char) (next_image->compose == NoCompositeOp ? 1 << 0x02 : 1)); /* layer properties - visible, etc. */ size+=WriteBlobByte(image,0); info=GetAdditionalInformation(image_info,next_image,exception); property=(const char *) GetImageProperty(next_image,"label",exception); if (property == (const char *) NULL) { (void) FormatLocaleString(layer_name,MagickPathExtent,"L%.20g", (double) layer_index); property=layer_name; } name_length=strlen(property)+1; if ((name_length % 4) != 0) name_length+=(4-(name_length % 4)); if (info != (const StringInfo *) NULL) name_length+=GetStringInfoLength(info); name_length+=8; if (mask != (Image *) NULL) name_length+=20; size+=WriteBlobLong(image,(unsigned int) name_length); if (mask == (Image *) NULL) size+=WriteBlobLong(image,0); else { if (mask->compose != NoCompositeOp) (void) ApplyPSDOpacityMask(next_image,mask,ScaleCharToQuantum( default_color),MagickTrue,exception); mask->page.y+=image->page.y; mask->page.x+=image->page.x; size+=WriteBlobLong(image,20); size+=WriteBlobSignedLong(image,(const signed int) mask->page.y); size+=WriteBlobSignedLong(image,(const signed int) mask->page.x); size+=WriteBlobSignedLong(image,(const signed int) (mask->rows+ mask->page.y)); size+=WriteBlobSignedLong(image,(const signed int) (mask->columns+ mask->page.x)); size+=WriteBlobByte(image,default_color); size+=WriteBlobByte(image,(const unsigned char) (mask->compose == NoCompositeOp ? 2 : 0)); size+=WriteBlobMSBShort(image,0); } size+=WriteBlobLong(image,0); size+=WritePascalString(image,property,4); if (info != (const StringInfo *) NULL) size+=WriteBlob(image,GetStringInfoLength(info), GetStringInfoDatum(info)); next_image=GetNextImageInList(next_image); } /* Now the image data! */ next_image=base_image; layer_index=0; while (next_image != NULL) { length=WritePSDChannels(psd_info,image_info,image,next_image, layer_size_offsets[layer_index++],MagickTrue,exception); if (length == 0) { status=MagickFalse; break; } size+=length; next_image=GetNextImageInList(next_image); } /* Write the total size */ if (layers_size != (size_t*) NULL) *layers_size=size; if ((size/2) != ((size+1)/2)) rounded_size=size+1; else rounded_size=size; (void) WritePSDSize(psd_info,image,rounded_size,size_offset); layer_size_offsets=(MagickOffsetType *) RelinquishMagickMemory( layer_size_offsets); /* Remove the opacity mask from the registry */ next_image=base_image; while (next_image != (Image *) NULL) { property=GetImageArtifact(next_image,"psd:opacity-mask"); if (property != (const char *) NULL) (void) DeleteImageRegistry(property); next_image=GetNextImageInList(next_image); } return(status); } ModuleExport MagickBooleanType WritePSDLayers(Image * image, const ImageInfo *image_info,const PSDInfo *psd_info,ExceptionInfo *exception) { PolicyDomain domain; PolicyRights rights; domain=CoderPolicyDomain; rights=WritePolicyRights; if (IsRightsAuthorized(domain,rights,"PSD") == MagickFalse) return(MagickTrue); return WritePSDLayersInternal(image,image_info,psd_info,(size_t*) NULL, exception); } static MagickBooleanType WritePSDImage(const ImageInfo *image_info, Image *image,ExceptionInfo *exception) { const StringInfo *icc_profile; MagickBooleanType status; PSDInfo psd_info; register ssize_t i; size_t length, num_channels, packet_size; StringInfo *bim_profile; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); packet_size=(size_t) (image->depth > 8 ? 6 : 3); if (image->alpha_trait != UndefinedPixelTrait) packet_size+=image->depth > 8 ? 2 : 1; psd_info.version=1; if ((LocaleCompare(image_info->magick,"PSB") == 0) || (image->columns > 30000) || (image->rows > 30000)) psd_info.version=2; (void) WriteBlob(image,4,(const unsigned char *) "8BPS"); (void) WriteBlobMSBShort(image,psd_info.version); /* version */ for (i=1; i <= 6; i++) (void) WriteBlobByte(image, 0); /* 6 bytes of reserved */ /* When the image has a color profile it won't be converted to gray scale */ if ((GetImageProfile(image,"icc") == (StringInfo *) NULL) && (SetImageGray(image,exception) != MagickFalse)) num_channels=(image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL); else if ((image_info->type != TrueColorType) && (image_info->type != TrueColorAlphaType) && (image->storage_class == PseudoClass)) num_channels=(image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL); else { if (image->storage_class == PseudoClass) (void) SetImageStorageClass(image,DirectClass,exception); if (image->colorspace != CMYKColorspace) num_channels=(image->alpha_trait != UndefinedPixelTrait ? 4UL : 3UL); else num_channels=(image->alpha_trait != UndefinedPixelTrait ? 5UL : 4UL); } (void) WriteBlobMSBShort(image,(unsigned short) num_channels); (void) WriteBlobMSBLong(image,(unsigned int) image->rows); (void) WriteBlobMSBLong(image,(unsigned int) image->columns); if (IsImageGray(image) != MagickFalse) { MagickBooleanType monochrome; /* Write depth & mode. */ monochrome=IsImageMonochrome(image) && (image->depth == 1) ? MagickTrue : MagickFalse; (void) WriteBlobMSBShort(image,(unsigned short) (monochrome != MagickFalse ? 1 : image->depth > 8 ? 16 : 8)); (void) WriteBlobMSBShort(image,(unsigned short) (monochrome != MagickFalse ? BitmapMode : GrayscaleMode)); } else { (void) WriteBlobMSBShort(image,(unsigned short) (image->storage_class == PseudoClass ? 8 : image->depth > 8 ? 16 : 8)); if (((image_info->colorspace != UndefinedColorspace) || (image->colorspace != CMYKColorspace)) && (image_info->colorspace != CMYKColorspace)) { (void) TransformImageColorspace(image,sRGBColorspace,exception); (void) WriteBlobMSBShort(image,(unsigned short) (image->storage_class == PseudoClass ? IndexedMode : RGBMode)); } else { if (image->colorspace != CMYKColorspace) (void) TransformImageColorspace(image,CMYKColorspace,exception); (void) WriteBlobMSBShort(image,CMYKMode); } } if ((IsImageGray(image) != 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(ClampToQuantum( 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(ClampToQuantum( 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(ClampToQuantum( 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 ((ssize_t) GetStringInfoLength(icc_profile) != PSDQuantum(GetStringInfoLength(icc_profile))) (void) WriteBlobByte(image,0); } if (status != MagickFalse) { MagickOffsetType size_offset; size_t size; size_offset=TellBlob(image); (void) SetPSDSize(&psd_info,image,0); status=WritePSDLayersInternal(image,image_info,&psd_info,&size, exception); size_offset+=WritePSDSize(&psd_info,image,size+ (psd_info.version == 1 ? 8 : 12),size_offset); } (void) WriteBlobMSBLong(image,0); /* user mask data */ /* Write composite image. */ if (status != MagickFalse) { CompressionType compression; compression=image->compression; if (image->compression == ZipCompression) image->compression=RLECompression; if (image_info->compression != UndefinedCompression) image->compression=image_info->compression; if (WritePSDChannels(&psd_info,image_info,image,image,0,MagickFalse, exception) == 0) status=MagickFalse; image->compression=compression; } (void) CloseBlob(image); return(status); }