| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % 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 1999-2017 ImageMagick Studio LLC, a non-profit organization % |
| % dedicated to making software imaging solutions freely available. % |
| % % |
| % You may not use this file except in compliance with the License. You may % |
| % obtain a copy of the License at % |
| % % |
| % http://www.imagemagick.org/script/license.php % |
| % % |
| % Unless required by applicable law or agreed to in writing, software % |
| % distributed under the License is distributed on an "AS IS" BASIS, % |
| % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| % See the License for the specific language governing permissions and % |
| % limitations under the License. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % |
| */ |
| |
| /* |
| Include declarations. |
| */ |
| #include "MagickCore/studio.h" |
| #include "MagickCore/artifact.h" |
| #include "MagickCore/attribute.h" |
| #include "MagickCore/blob.h" |
| #include "MagickCore/blob-private.h" |
| #include "MagickCore/cache.h" |
| #include "MagickCore/channel.h" |
| #include "MagickCore/colormap.h" |
| #include "MagickCore/colormap-private.h" |
| #include "MagickCore/colorspace.h" |
| #include "MagickCore/colorspace-private.h" |
| #include "MagickCore/constitute.h" |
| #include "MagickCore/enhance.h" |
| #include "MagickCore/exception.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/image.h" |
| #include "MagickCore/image-private.h" |
| #include "MagickCore/list.h" |
| #include "MagickCore/log.h" |
| #include "MagickCore/magick.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/module.h" |
| #include "MagickCore/monitor-private.h" |
| #include "MagickCore/option.h" |
| #include "MagickCore/pixel.h" |
| #include "MagickCore/pixel-accessor.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 <zlib.h> |
| #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 int |
| 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[256], |
| 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(CompositeOperator op) |
| { |
| const char |
| *blend_mode; |
| |
| switch (op) |
| { |
| case ColorBurnCompositeOp: blend_mode = "idiv"; break; |
| case ColorDodgeCompositeOp: blend_mode = "div "; break; |
| case ColorizeCompositeOp: blend_mode = "colr"; break; |
| case DarkenCompositeOp: blend_mode = "dark"; break; |
| case DifferenceCompositeOp: blend_mode = "diff"; break; |
| case DissolveCompositeOp: blend_mode = "diss"; break; |
| case ExclusionCompositeOp: blend_mode = "smud"; break; |
| case HardLightCompositeOp: blend_mode = "hLit"; break; |
| case HardMixCompositeOp: blend_mode = "hMix"; break; |
| case HueCompositeOp: blend_mode = "hue "; break; |
| case LightenCompositeOp: blend_mode = "lite"; break; |
| case LinearBurnCompositeOp: blend_mode = "lbrn"; break; |
| case LinearDodgeCompositeOp:blend_mode = "lddg"; break; |
| case LinearLightCompositeOp:blend_mode = "lLit"; break; |
| case LuminizeCompositeOp: blend_mode = "lum "; break; |
| case MultiplyCompositeOp: blend_mode = "mul "; break; |
| case OverCompositeOp: blend_mode = "norm"; break; |
| case OverlayCompositeOp: blend_mode = "over"; break; |
| case PinLightCompositeOp: blend_mode = "pLit"; break; |
| case SaturateCompositeOp: blend_mode = "sat "; break; |
| case ScreenCompositeOp: blend_mode = "scrn"; break; |
| case SoftLightCompositeOp: blend_mode = "sLit"; break; |
| case VividLightCompositeOp: blend_mode = "vLit"; break; |
| default: blend_mode = "norm"; |
| } |
| return(blend_mode); |
| } |
| |
| /* |
| 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,4) shared(status) \ |
| magick_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); |
| image->alpha_trait=BlendPixelTrait; |
| status=MagickTrue; |
| #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| #pragma omp parallel for schedule(static,4) shared(status) \ |
| magick_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,image->columns,image->rows,MagickTrue, |
| exception); |
| complete_mask->alpha_trait=BlendPixelTrait; |
| GetPixelInfo(complete_mask,&color); |
| color.red=background; |
| 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,4) shared(status) \ |
| magick_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=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]=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; i<number_layers; i++) |
| { |
| if (layer_info[i].image != (Image *) NULL) |
| layer_info[i].image=DestroyImage(layer_info[i].image); |
| if (layer_info[i].mask.image != (Image *) NULL) |
| layer_info[i].mask.image=DestroyImage(layer_info[i].mask.image); |
| if (layer_info[i].info != (StringInfo *) NULL) |
| layer_info[i].info=DestroyStringInfo(layer_info[i].info); |
| } |
| |
| return (LayerInfo *) RelinquishMagickMemory(layer_info); |
| } |
| |
| static inline size_t GetPSDPacketSize(Image *image) |
| { |
| if (image->storage_class == PseudoClass) |
| { |
| if (image->colors > 256) |
| return(2); |
| else if (image->depth > 8) |
| return(2); |
| } |
| else |
| if (image->depth > 8) |
| return(2); |
| |
| return(1); |
| } |
| |
| static inline MagickSizeType GetPSDSize(const PSDInfo *psd_info,Image *image) |
| { |
| if (psd_info->version == 1) |
| return((MagickSizeType) 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 void ParseImageResourceBlocks(Image *image, |
| const unsigned char *blocks,size_t length, |
| MagickBooleanType *has_merged_image,ExceptionInfo *exception) |
| { |
| const unsigned char |
| *p; |
| |
| StringInfo |
| *profile; |
| |
| unsigned int |
| count, |
| long_sans; |
| |
| unsigned short |
| id, |
| short_sans; |
| |
| if (length < 16) |
| return; |
| profile=BlobToStringInfo((const unsigned char *) NULL,length); |
| SetStringInfoDatum(profile,blocks); |
| (void) SetImageProfile(image,"8bim",profile,exception); |
| profile=DestroyStringInfo(profile); |
| for (p=blocks; (p >= blocks) && (p < (blocks+length-16)); ) |
| { |
| if (LocaleNCompare((const char *) p,"8BIM",4) != 0) |
| break; |
| p=PushLongPixel(MSBEndian,p,&long_sans); |
| p=PushShortPixel(MSBEndian,p,&id); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushLongPixel(MSBEndian,p,&count); |
| if ((p+count) > (blocks+length-16)) |
| return; |
| switch (id) |
| { |
| case 0x03ed: |
| { |
| char |
| value[MagickPathExtent]; |
| |
| unsigned short |
| resolution; |
| |
| /* |
| Resolution info. |
| */ |
| 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 (*(p+4) == 0) |
| *has_merged_image=MagickFalse; |
| p+=count; |
| break; |
| } |
| default: |
| { |
| p+=count; |
| break; |
| } |
| } |
| if ((count & 0x01) != 0) |
| p++; |
| } |
| return; |
| } |
| |
| static CompositeOperator PSDBlendModeToCompositeOperator(const char *mode) |
| { |
| if (mode == (const char *) NULL) |
| return(OverCompositeOp); |
| if (LocaleNCompare(mode,"norm",4) == 0) |
| return(OverCompositeOp); |
| if (LocaleNCompare(mode,"mul ",4) == 0) |
| return(MultiplyCompositeOp); |
| if (LocaleNCompare(mode,"diss",4) == 0) |
| return(DissolveCompositeOp); |
| if (LocaleNCompare(mode,"diff",4) == 0) |
| return(DifferenceCompositeOp); |
| if (LocaleNCompare(mode,"dark",4) == 0) |
| return(DarkenCompositeOp); |
| if (LocaleNCompare(mode,"lite",4) == 0) |
| return(LightenCompositeOp); |
| if (LocaleNCompare(mode,"hue ",4) == 0) |
| return(HueCompositeOp); |
| if (LocaleNCompare(mode,"sat ",4) == 0) |
| return(SaturateCompositeOp); |
| if (LocaleNCompare(mode,"colr",4) == 0) |
| return(ColorizeCompositeOp); |
| if (LocaleNCompare(mode,"lum ",4) == 0) |
| return(LuminizeCompositeOp); |
| if (LocaleNCompare(mode,"scrn",4) == 0) |
| return(ScreenCompositeOp); |
| if (LocaleNCompare(mode,"over",4) == 0) |
| return(OverlayCompositeOp); |
| if (LocaleNCompare(mode,"hLit",4) == 0) |
| return(HardLightCompositeOp); |
| if (LocaleNCompare(mode,"sLit",4) == 0) |
| return(SoftLightCompositeOp); |
| if (LocaleNCompare(mode,"smud",4) == 0) |
| return(ExclusionCompositeOp); |
| if (LocaleNCompare(mode,"div ",4) == 0) |
| return(ColorDodgeCompositeOp); |
| if (LocaleNCompare(mode,"idiv",4) == 0) |
| return(ColorBurnCompositeOp); |
| if (LocaleNCompare(mode,"lbrn",4) == 0) |
| return(LinearBurnCompositeOp); |
| if (LocaleNCompare(mode,"lddg",4) == 0) |
| return(LinearDodgeCompositeOp); |
| if (LocaleNCompare(mode,"lLit",4) == 0) |
| return(LinearLightCompositeOp); |
| if (LocaleNCompare(mode,"vLit",4) == 0) |
| return(VividLightCompositeOp); |
| if (LocaleNCompare(mode,"pLit",4) == 0) |
| return(PinLightCompositeOp); |
| if (LocaleNCompare(mode,"hMix",4) == 0) |
| return(HardMixCompositeOp); |
| return(OverCompositeOp); |
| } |
| |
| static 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) |
| { |
| if (packet_size == 1) |
| SetPixelIndex(image,ScaleQuantumToChar(pixel),q); |
| else |
| SetPixelIndex(image,ScaleQuantumToShort(pixel),q); |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) |
| ConstrainColormapIndex(image,GetPixelIndex(image,q),exception),q); |
| return; |
| } |
| switch (type) |
| { |
| case -1: |
| { |
| SetPixelAlpha(image, pixel,q); |
| break; |
| } |
| case -2: |
| case 0: |
| { |
| SetPixelRed(image,pixel,q); |
| if (channels == 1 || type == -2) |
| SetPixelGray(image,pixel,q); |
| break; |
| } |
| case 1: |
| { |
| if (image->storage_class == PseudoClass) |
| SetPixelAlpha(image,pixel,q); |
| else |
| SetPixelGreen(image,pixel,q); |
| break; |
| } |
| case 2: |
| { |
| if (image->storage_class == PseudoClass) |
| SetPixelAlpha(image,pixel,q); |
| else |
| SetPixelBlue(image,pixel,q); |
| break; |
| } |
| case 3: |
| { |
| if (image->colorspace == CMYKColorspace) |
| SetPixelBlack(image,pixel,q); |
| else |
| if (image->alpha_trait != UndefinedPixelTrait) |
| SetPixelAlpha(image,pixel,q); |
| break; |
| } |
| case 4: |
| { |
| if ((IssRGBCompatibleColorspace(image->colorspace) != MagickFalse) && |
| (channels > 3)) |
| break; |
| if (image->alpha_trait != UndefinedPixelTrait) |
| SetPixelAlpha(image,pixel,q); |
| break; |
| } |
| } |
| } |
| |
| static MagickBooleanType ReadPSDChannelPixels(Image *image, |
| const size_t channels,const size_t row,const ssize_t type, |
| const unsigned char *pixels,ExceptionInfo *exception) |
| { |
| Quantum |
| pixel; |
| |
| register const unsigned char |
| *p; |
| |
| register Quantum |
| *q; |
| |
| register ssize_t |
| x; |
| |
| size_t |
| packet_size; |
| |
| unsigned short |
| nibble; |
| |
| p=pixels; |
| q=GetAuthenticPixels(image,0,row,image->columns,1,exception); |
| if (q == (Quantum *) NULL) |
| return MagickFalse; |
| packet_size=GetPSDPacketSize(image); |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| if (packet_size == 1) |
| pixel=ScaleCharToQuantum(*p++); |
| else |
| { |
| p=PushShortPixel(MSBEndian,p,&nibble); |
| pixel=ScaleShortToQuantum(nibble); |
| } |
| if (image->depth > 1) |
| { |
| SetPSDPixel(image,channels,type,packet_size,pixel,q,exception); |
| q+=GetPixelChannels(image); |
| } |
| else |
| { |
| ssize_t |
| bit, |
| number_bits; |
| |
| number_bits=image->columns-x; |
| if (number_bits > 8) |
| number_bits=8; |
| for (bit = 0; bit < 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 |
| count, |
| row_size; |
| |
| ssize_t |
| y; |
| |
| unsigned char |
| *pixels; |
| |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer data is RAW"); |
| |
| row_size=GetPSDRowSize(image); |
| pixels=(unsigned char *) AcquireQuantumMemory(row_size,sizeof(*pixels)); |
| if (pixels == (unsigned char *) NULL) |
| ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| image->filename); |
| |
| status=MagickTrue; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| status=MagickFalse; |
| |
| count=ReadBlob(image,row_size,pixels); |
| if (count != row_size) |
| break; |
| |
| status=ReadPSDChannelPixels(image,channels,y,type,pixels,exception); |
| if (status == MagickFalse) |
| break; |
| } |
| |
| pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| return(status); |
| } |
| |
| static inline MagickOffsetType *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 + 256) // arbitrary number |
| { |
| pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| ThrowBinaryException(ResourceLimitError,"InvalidLength",image->filename); |
| } |
| |
| compact_pixels=(unsigned char *) AcquireQuantumMemory(length,sizeof(*pixels)); |
| if (compact_pixels == (unsigned char *) NULL) |
| { |
| pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| image->filename); |
| } |
| |
| (void) ResetMagickMemory(compact_pixels,0,length*sizeof(*compact_pixels)); |
| |
| status=MagickTrue; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| status=MagickFalse; |
| |
| count=ReadBlob(image,(size_t) 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"); |
| |
| compact_pixels=(unsigned char *) AcquireQuantumMemory(compact_size, |
| sizeof(*compact_pixels)); |
| if (compact_pixels == (unsigned char *) NULL) |
| ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| image->filename); |
| |
| packet_size=GetPSDPacketSize(image); |
| row_size=image->columns*packet_size; |
| count=image->rows*row_size; |
| |
| pixels=(unsigned char *) AcquireQuantumMemory(count,sizeof(*pixels)); |
| if (pixels == (unsigned char *) NULL) |
| { |
| compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); |
| ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| image->filename); |
| } |
| |
| ResetMagickMemory(&stream,0,sizeof(stream)); |
| stream.data_type=Z_BINARY; |
| (void) ReadBlob(image,compact_size,compact_pixels); |
| |
| 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)) |
| { |
| compact_pixels=(unsigned char *) RelinquishMagickMemory( |
| compact_pixels); |
| pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| return(MagickFalse); |
| } |
| } |
| } |
| |
| if (compression == ZipWithPrediction) |
| { |
| p=pixels; |
| while (count > 0) |
| { |
| length=image->columns; |
| while (--length) |
| { |
| if (packet_size == 2) |
| { |
| p[2]+=p[0]+((p[1]+p[3]) >> 8); |
| p[3]+=p[1]; |
| } |
| else |
| *(p+1)+=*p; |
| p+=packet_size; |
| } |
| p+=packet_size; |
| count-=row_size; |
| } |
| } |
| |
| status=MagickTrue; |
| p=pixels; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| status=ReadPSDChannelPixels(image,channels,y,type,p,exception); |
| if (status == MagickFalse) |
| break; |
| |
| p+=row_size; |
| } |
| |
| compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); |
| pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| return(status); |
| } |
| #endif |
| |
| static 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) |
| { |
| 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))) |
| { |
| SeekBlob(image,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) |
| { |
| SetImageType(mask,GrayscaleType,exception); |
| channel_image=mask; |
| } |
| } |
| |
| offset=TellBlob(image); |
| status=MagickTrue; |
| switch(compression) |
| { |
| case Raw: |
| status=ReadPSDChannelRaw(channel_image,psd_info->channels, |
| 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, |
| 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, |
| 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; |
| } |
| |
| SeekBlob(image,offset+layer_info->channel_info[channel].size-2,SEEK_SET); |
| if (status == MagickFalse) |
| { |
| if (mask != (Image *) NULL) |
| DestroyImage(mask); |
| ThrowBinaryException(CoderError,"UnableToDecompressImage", |
| image->filename); |
| } |
| 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; |
| if (psd_info->mode == CMYKMode) |
| SetImageColorspace(layer_info->image,CMYKColorspace,exception); |
| else if ((psd_info->mode == BitmapMode) || (psd_info->mode == DuotoneMode) || |
| (psd_info->mode == GrayscaleMode)) |
| SetImageColorspace(layer_info->image,GRAYColorspace,exception); |
| /* |
| 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); |
| 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,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); |
| } |
| |
| ModuleExport MagickBooleanType ReadPSDLayers(Image *image, |
| const ImageInfo *image_info,const PSDInfo *psd_info, |
| const MagickBooleanType skip_layers,ExceptionInfo *exception) |
| { |
| char |
| type[4]; |
| |
| LayerInfo |
| *layer_info; |
| |
| MagickSizeType |
| size; |
| |
| 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); |
| ReversePSDString(image,type,4); |
| status=MagickFalse; |
| if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0)) |
| return(MagickTrue); |
| else |
| { |
| count=ReadBlob(image,4,(unsigned char *) type); |
| ReversePSDString(image,type,4); |
| if ((count != 0) && (LocaleNCompare(type,"Lr16",4) == 0)) |
| size=GetPSDSize(psd_info,image); |
| else |
| return(MagickTrue); |
| } |
| } |
| status=MagickTrue; |
| if (size != 0) |
| { |
| layer_info=(LayerInfo *) NULL; |
| number_layers=(short) ReadBlobShort(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) ResetMagickMemory(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=ReadBlobSignedLong(image); |
| layer_info[i].page.x=ReadBlobSignedLong(image); |
| y=ReadBlobSignedLong(image); |
| x=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); |
| 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); |
| ReversePSDString(image,type,4); |
| if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0)) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer type was %.4s instead of 8BIM", type); |
| layer_info=DestroyLayerInfo(layer_info,number_layers); |
| ThrowBinaryException(CorruptImageError,"ImproperImageHeader", |
| image->filename); |
| } |
| count=ReadBlob(image,4,(unsigned char *) layer_info[i].blendkey); |
| 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=ReadBlobSignedLong(image); |
| layer_info[i].mask.page.x=ReadBlobSignedLong(image); |
| layer_info[i].mask.page.height=(size_t) (ReadBlobLong(image)- |
| layer_info[i].mask.page.y); |
| layer_info[i].mask.page.width=(size_t) (ReadBlobLong(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)); |
| /* |
| We read it, but don't use it... |
| */ |
| for (j=0; j < (ssize_t) length; j+=8) |
| { |
| size_t blend_source=ReadBlobLong(image); |
| size_t blend_dest=ReadBlobLong(image); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " source(%x), dest(%x)",(unsigned int) |
| blend_source,(unsigned int) blend_dest); |
| } |
| } |
| /* |
| 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; |
| |
| 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) |
| { |
| for (i=0; i < number_layers; i++) |
| { |
| if (layer_info[i].image == (Image *) NULL) |
| { |
| for (j=0; j < layer_info[i].channels; j++) |
| { |
| if (DiscardBlobBytes(image,(MagickSizeType) |
| layer_info[i].channel_info[j].size) == MagickFalse) |
| { |
| layer_info=DestroyLayerInfo(layer_info,number_layers); |
| ThrowBinaryException(CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| } |
| } |
| continue; |
| } |
| |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading data for layer %.20g",(double) i); |
| |
| status=ReadPSDLayer(image,image_info,psd_info,&layer_info[i], |
| exception); |
| if (status == MagickFalse) |
| break; |
| |
| status=SetImageProgress(image,LoadImagesTag,i,(MagickSizeType) |
| number_layers); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| |
| if (status != MagickFalse) |
| { |
| for (i=0; i < number_layers; i++) |
| { |
| if (layer_info[i].image == (Image *) NULL) |
| { |
| for (j=i; j < number_layers - 1; j++) |
| layer_info[j] = layer_info[j+1]; |
| number_layers--; |
| i--; |
| } |
| } |
| |
| if (number_layers > 0) |
| { |
| for (i=0; i < number_layers; i++) |
| { |
| if (i > 0) |
| layer_info[i].image->previous=layer_info[i-1].image; |
| if (i < (number_layers-1)) |
| layer_info[i].image->next=layer_info[i+1].image; |
| layer_info[i].image->page=layer_info[i].page; |
| } |
| image->next=layer_info[0].image; |
| layer_info[0].image->previous=image; |
| } |
| layer_info=(LayerInfo *) RelinquishMagickMemory(layer_info); |
| } |
| else |
| layer_info=DestroyLayerInfo(layer_info,number_layers); |
| } |
| |
| return(status); |
| } |
| |
| 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++) |
| { |
| if (compression == RLE) |
| status=ReadPSDChannelRLE(image,psd_info,i,sizes+(i*image->rows), |
| exception); |
| else |
| status=ReadPSDChannelRaw(image,psd_info->channels,i,exception); |
| |
| if (status != MagickFalse) |
| status=SetImageProgress(image,LoadImagesTag,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; |
| |
| ssize_t |
| count; |
| |
| unsigned char |
| *data; |
| |
| /* |
| 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 == 0) || (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 > MaxPSDChannels) |
| ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded"); |
| psd_info.rows=ReadBlobMSBLong(image); |
| psd_info.columns=ReadBlobMSBLong(image); |
| if ((psd_info.version == 1) && ((psd_info.rows > 30000) || |
| (psd_info.columns > 30000))) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| psd_info.depth=ReadBlobMSBShort(image); |
| if ((psd_info.depth != 1) && (psd_info.depth != 8) && (psd_info.depth != 16)) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| psd_info.mode=ReadBlobMSBShort(image); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " Image is %.20g x %.20g with channels=%.20g, depth=%.20g, mode=%s", |
| (double) psd_info.columns,(double) psd_info.rows,(double) |
| psd_info.channels,(double) psd_info.depth,ModeToString((PSDImageType) |
| psd_info.mode)); |
| /* |
| Initialize image. |
| */ |
| image->depth=psd_info.depth; |
| image->columns=psd_info.columns; |
| image->rows=psd_info.rows; |
| status=SetImageExtent(image,image->columns,image->rows,exception); |
| if (status == MagickFalse) |
| return(DestroyImageList(image)); |
| if (SetImageBackgroundColor(image,exception) == MagickFalse) |
| { |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| if (psd_info.mode == LabMode) |
| SetImageColorspace(image,LabColorspace,exception); |
| if (psd_info.mode == CMYKMode) |
| { |
| SetImageColorspace(image,CMYKColorspace,exception); |
| if (psd_info.channels > 4) |
| SetImageAlphaChannel(image,ActivateAlphaChannel,exception); |
| } |
| else if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) || |
| (psd_info.mode == DuotoneMode)) |
| { |
| status=AcquireImageColormap(image,psd_info.depth != 16 ? 256 : 65536, |
| exception); |
| if (status == MagickFalse) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " Image colormap allocated"); |
| SetImageColorspace(image,GRAYColorspace,exception); |
| if (psd_info.channels > 1) |
| SetImageAlphaChannel(image,ActivateAlphaChannel,exception); |
| } |
| else |
| if (psd_info.channels > 3) |
| SetImageAlphaChannel(image,ActivateAlphaChannel,exception); |
| /* |
| 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"); |
| (void) ReadBlob(image,(size_t) length,data); |
| data=(unsigned char *) RelinquishMagickMemory(data); |
| } |
| else |
| { |
| size_t |
| number_colors; |
| |
| /* |
| Read PSD raster colormap. |
| */ |
| number_colors=length/3; |
| if (number_colors > 65536) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| if (AcquireImageColormap(image,number_colors,exception) == MagickFalse) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| image->colormap[i].red=ScaleCharToQuantum((unsigned char) |
| ReadBlobByte(image)); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| image->colormap[i].green=ScaleCharToQuantum((unsigned char) |
| ReadBlobByte(image)); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| image->colormap[i].blue=ScaleCharToQuantum((unsigned char) |
| ReadBlobByte(image)); |
| image->alpha_trait=UndefinedPixelTrait; |
| } |
| } |
| if ((image->depth == 1) && (image->storage_class != PseudoClass)) |
| ThrowReaderException(CorruptImageError, "ImproperImageHeader"); |
| has_merged_image=MagickTrue; |
| length=ReadBlobMSBLong(image); |
| if (length != 0) |
| { |
| unsigned char |
| *blocks; |
| |
| /* |
| Image resources block. |
| */ |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading image resource blocks - %.20g bytes",(double) |
| ((MagickOffsetType) length)); |
| blocks=(unsigned char *) AcquireQuantumMemory((size_t) length, |
| sizeof(*blocks)); |
| if (blocks == (unsigned char *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| count=ReadBlob(image,(size_t) length,blocks); |
| if ((count != (ssize_t) length) || (length < 4) || |
| (LocaleNCompare((char *) blocks,"8BIM",4) != 0)) |
| { |
| blocks=(unsigned char *) RelinquishMagickMemory(blocks); |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| } |
| ParseImageResourceBlocks(image,blocks,(size_t) length,&has_merged_image, |
| exception); |
| blocks=(unsigned char *) RelinquishMagickMemory(blocks); |
| } |
| /* |
| Layer and mask block. |
| */ |
| length=GetPSDSize(&psd_info,image); |
| if (length == 8) |
| { |
| length=ReadBlobMSBLong(image); |
| length=ReadBlobMSBLong(image); |
| } |
| offset=TellBlob(image); |
| skip_layers=MagickFalse; |
| if ((image_info->number_scenes == 1) && (image_info->scene == 0) && |
| (has_merged_image != MagickFalse)) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " read composite only"); |
| skip_layers=MagickTrue; |
| } |
| if (length == 0) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " image has no layers"); |
| } |
| else |
| { |
| if (ReadPSDLayers(image,image_info,&psd_info,skip_layers,exception) != |
| MagickTrue) |
| { |
| (void) CloseBlob(image); |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| |
| /* |
| Skip the rest of the layer and mask information. |
| */ |
| SeekBlob(image,offset+length,SEEK_SET); |
| } |
| /* |
| If we are only "pinging" the image, then we're done - so return. |
| */ |
| if (image_info->ping != MagickFalse) |
| { |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| /* |
| Read the precombined layer, present for PSD < 4 compatibility. |
| */ |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading the precombined layer"); |
| if ((has_merged_image != MagickFalse) || (GetImageListLength(image) == 1)) |
| has_merged_image=(MagickBooleanType) ReadPSDMergedImage(image_info,image, |
| &psd_info,exception); |
| if ((has_merged_image == MagickFalse) && (GetImageListLength(image) == 1) && |
| (length != 0)) |
| { |
| SeekBlob(image,offset,SEEK_SET); |
| status=ReadPSDLayers(image,image_info,&psd_info,MagickFalse,exception); |
| if (status != MagickTrue) |
| { |
| (void) CloseBlob(image); |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| } |
| if (has_merged_image == MagickFalse) |
| { |
| Image |
| *merged; |
| |
| if (GetImageListLength(image) == 1) |
| ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile"); |
| SetImageAlphaChannel(image,TransparentAlphaChannel,exception); |
| image->background_color.alpha=TransparentAlpha; |
| image->background_color.alpha_trait=BlendPixelTrait; |
| merged=MergeImageLayers(image,FlattenLayer,exception); |
| ReplaceImageInList(&image,merged); |
| } |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r P S D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterPSDImage() adds properties for the PSD image format to |
| % the list of supported formats. The properties include the image format |
| % tag, a method to read and/or write the format, whether the format |
| % supports the saving of more than one frame to the same file or blob, |
| % whether the format supports native in-memory I/O, and a brief |
| % description of the format. |
| % |
| % The format of the RegisterPSDImage method is: |
| % |
| % size_t RegisterPSDImage(void) |
| % |
| */ |
| ModuleExport size_t RegisterPSDImage(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=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 short) offset)); |
| } |
| |
| static inline ssize_t WritePSDOffset(const PSDInfo *psd_info,Image *image, |
| const MagickSizeType size,const MagickSizeType offset) |
| { |
| MagickSizeType |
| current_offset; |
| |
| ssize_t |
| result; |
| |
| current_offset=TellBlob(image); |
| SeekBlob(image,offset,SEEK_SET); |
| if (psd_info->version == 1) |
| result=WriteBlobMSBShort(image,(unsigned short) size); |
| else |
| result=(WriteBlobMSBLong(image,(unsigned short) size)); |
| 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(WriteBlobMSBLong(image,(unsigned int) size)); |
| return(WriteBlobMSBLongLong(image,size)); |
| } |
| |
| static inline ssize_t WritePSDSize(const PSDInfo *psd_info,Image *image, |
| const MagickSizeType size,const MagickSizeType offset) |
| { |
| MagickSizeType |
| current_offset; |
| |
| ssize_t |
| result; |
| |
| current_offset=TellBlob(image); |
| SeekBlob(image,offset,SEEK_SET); |
| if (psd_info->version == 1) |
| result=WriteBlobMSBLong(image,(unsigned int) size); |
| else |
| result=WriteBlobMSBLongLong(image,size); |
| 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 ssize_t channels) |
| { |
| size_t |
| length; |
| |
| ssize_t |
| i, |
| y; |
| |
| if (next_image->compression == RLECompression) |
| { |
| length=WriteBlobMSBShort(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 (next_image->compression == ZipCompression) |
| length=WriteBlobMSBShort(image,ZipWithoutPrediction); |
| #endif |
| else |
| length=WriteBlobMSBShort(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, |
| ExceptionInfo *exception) |
| { |
| int |
| y; |
| |
| MagickBooleanType |
| monochrome; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| register const Quantum |
| *p; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| count, |
| length; |
| |
| 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,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 (next_image->compression == ZipCompression) |
| { |
| compressed_pixels=(unsigned char *) AcquireQuantumMemory(CHUNK, |
| sizeof(*compressed_pixels)); |
| if (compressed_pixels == (unsigned char *) NULL) |
| { |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| return(0); |
| } |
| ResetMagickMemory(&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 (next_image->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 (next_image->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 (next_image->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) |
| { |
| 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; |
| if (next_image->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=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,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,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,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,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,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,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,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,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 (mask->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,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=WriteBlobMSBSignedShort(image,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) CopyMagickMemory(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))) |
| { |
| (void) CopyMagickMemory(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]=(*p++); |
| key[1]=(*p++); |
| key[2]=(*p++); |
| key[3]=(*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 *) CopyMagickMemory(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); |
| SetImageProfile(image,"psd:additional-info",info,exception); |
| return(profile); |
| } |
| |
| static MagickBooleanType WritePSDImage(const ImageInfo *image_info, |
| Image *image,ExceptionInfo *exception) |
| { |
| char |
| layer_name[MagickPathExtent]; |
| |
| const char |
| *property; |
| |
| const StringInfo |
| *icc_profile, |
| *info; |
| |
| Image |
| *base_image, |
| *next_image; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| *layer_size_offsets, |
| size_offset; |
| |
| PSDInfo |
| psd_info; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| layer_count, |
| layer_index, |
| length, |
| name_length, |
| num_channels, |
| packet_size, |
| rounded_size, |
| 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 */ |
| if (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(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); |
| } |
| base_image=GetNextImageInList(image); |
| if (base_image == (Image *) NULL) |
| base_image=image; |
| size=0; |
| size_offset=TellBlob(image); |
| SetPSDSize(&psd_info,image,0); |
| 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+=WriteBlobMSBShort(image,-(unsigned short) layer_count); |
| else |
| size+=WriteBlobMSBShort(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=strlen(property) == 9 ? 255 : 0; |
| } |
| size+=WriteBlobMSBLong(image,(unsigned int) next_image->page.y); |
| size+=WriteBlobMSBLong(image,(unsigned int) next_image->page.x); |
| size+=WriteBlobMSBLong(image,(unsigned int) (next_image->page.y+ |
| next_image->rows)); |
| size+=WriteBlobMSBLong(image,(unsigned int) (next_image->page.x+ |
| next_image->columns)); |
| channels=1U; |
| if ((next_image->storage_class != PseudoClass) && |
| (IsImageGray(next_image) == MagickFalse)) |
| channels=next_image->colorspace == CMYKColorspace ? 4U : 3U; |
| total_channels=channels; |
| if (next_image->alpha_trait != UndefinedPixelTrait) |
| total_channels++; |
| if (mask != (Image *) NULL) |
| total_channels++; |
| size+=WriteBlobMSBShort(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+=WriteBlob(image,4,(const unsigned char *) "8BIM"); |
| size+=WriteBlob(image,4,(const unsigned char *) |
| CompositeOperatorToPSDBlendMode(next_image->compose)); |
| 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,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+=WriteBlobMSBLong(image,(unsigned int) name_length); |
| if (mask == (Image *) NULL) |
| size+=WriteBlobMSBLong(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+=WriteBlobMSBLong(image,20); |
| size+=WriteBlobMSBSignedLong(image,mask->page.y); |
| size+=WriteBlobMSBSignedLong(image,mask->page.x); |
| size+=WriteBlobMSBLong(image,(const unsigned int) mask->rows+ |
| mask->page.y); |
| size+=WriteBlobMSBLong(image,(const unsigned int) mask->columns+ |
| mask->page.x); |
| size+=WriteBlobByte(image,default_color); |
| size+=WriteBlobByte(image,mask->compose == NoCompositeOp ? 2 : 0); |
| size+=WriteBlobMSBShort(image,0); |
| } |
| size+=WriteBlobMSBLong(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); |
| } |
| (void) WriteBlobMSBLong(image,0); /* user mask data */ |
| /* |
| Write the total size |
| */ |
| size_offset+=WritePSDSize(&psd_info,image,size+ |
| (psd_info.version == 1 ? 8 : 16),size_offset); |
| 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) |
| DeleteImageRegistry(property); |
| next_image=GetNextImageInList(next_image); |
| } |
| /* |
| Write composite image. |
| */ |
| if (status != MagickFalse) |
| { |
| CompressionType |
| compression; |
| |
| compression=image->compression; |
| if (image->compression == ZipCompression) |
| image->compression=RLECompression; |
| if (WritePSDChannels(&psd_info,image_info,image,image,0,MagickFalse, |
| exception) == 0) |
| status=MagickFalse; |
| image->compression=compression; |
| } |
| (void) CloseBlob(image); |
| return(status); |
| } |