| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % PPPP SSSSS DDDD % |
| % P P SS D D % |
| % PPPP SSS D D % |
| % P SS D D % |
| % P SSSSS DDDD % |
| % % |
| % % |
| % Read/Write Adobe Photoshop Image Format % |
| % % |
| % Software Design % |
| % John Cristy % |
| % Leonard Rosenthol % |
| % July 1992 % |
| % % |
| % % |
| % Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization % |
| % dedicated to making software imaging solutions freely available. % |
| % % |
| % You may not use this file except in compliance with the License. You may % |
| % obtain a copy of the License at % |
| % % |
| % http://www.imagemagick.org/script/license.php % |
| % % |
| % Unless required by applicable law or agreed to in writing, software % |
| % distributed under the License is distributed on an "AS IS" BASIS, % |
| % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| % See the License for the specific language governing permissions and % |
| % limitations under the License. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % |
| */ |
| |
| /* |
| Include declarations. |
| */ |
| #include "magick/studio.h" |
| #include "magick/artifact.h" |
| #include "magick/blob.h" |
| #include "magick/blob-private.h" |
| #include "magick/cache.h" |
| #include "magick/colormap.h" |
| #include "magick/colorspace.h" |
| #include "magick/constitute.h" |
| #include "magick/enhance.h" |
| #include "magick/exception.h" |
| #include "magick/exception-private.h" |
| #include "magick/image.h" |
| #include "magick/image-private.h" |
| #include "magick/list.h" |
| #include "magick/log.h" |
| #include "magick/magick.h" |
| #include "magick/memory_.h" |
| #include "magick/module.h" |
| #include "magick/monitor-private.h" |
| #include "magick/profile.h" |
| #include "magick/property.h" |
| #include "magick/quantum-private.h" |
| #include "magick/static.h" |
| #include "magick/string_.h" |
| |
| /* |
| Define declaractions. |
| */ |
| #define MaxPSDChannels 56 |
| #define PSDQuantum(x) (((ssize_t) (x)+1) & -2) |
| |
| /* |
| Enumerated declaractions. |
| */ |
| typedef enum |
| { |
| BitmapMode = 0, |
| GrayscaleMode = 1, |
| IndexedMode = 2, |
| RGBMode = 3, |
| CMYKMode = 4, |
| MultichannelMode = 7, |
| DuotoneMode = 8, |
| LabMode = 9 |
| } PSDImageType; |
| |
| /* |
| Typedef declaractions. |
| */ |
| typedef struct _ChannelInfo |
| { |
| short int |
| type; |
| |
| size_t |
| size; |
| } ChannelInfo; |
| |
| typedef struct _LayerInfo |
| { |
| RectangleInfo |
| page, |
| mask; |
| |
| unsigned short |
| channels; |
| |
| ChannelInfo |
| channel_info[MaxPSDChannels]; |
| |
| char |
| blendkey[4]; |
| |
| Quantum |
| opacity; |
| |
| unsigned char |
| clipping, |
| visible, |
| flags; |
| |
| size_t |
| offset_x, |
| offset_y; |
| |
| unsigned char |
| name[256]; |
| |
| Image |
| *image; |
| } LayerInfo; |
| |
| typedef struct _PSDInfo |
| { |
| char |
| signature[4]; |
| |
| unsigned short |
| channels, |
| version; |
| |
| unsigned char |
| reserved[6]; |
| |
| size_t |
| rows, |
| columns; |
| |
| unsigned short |
| depth, |
| mode; |
| } PSDInfo; |
| |
| /* |
| Forward declarations. |
| */ |
| static MagickBooleanType |
| WritePSDImage(const ImageInfo *,Image *); |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % I s P S D % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % IsPSD()() returns MagickTrue if the image format type, identified by the |
| % magick string, is PSD. |
| % |
| % The format of the IsPSD method is: |
| % |
| % MagickBooleanType IsPSD(const unsigned char *magick,const size_t length) |
| % |
| % A description of each parameter follows: |
| % |
| % o magick: compare image format pattern against these bytes. |
| % |
| % o length: Specifies the length of the magick string. |
| % |
| */ |
| static MagickBooleanType IsPSD(const unsigned char *magick,const size_t length) |
| { |
| if (length < 4) |
| return(MagickFalse); |
| if (LocaleNCompare((const char *) magick,"8BPS",4) == 0) |
| return(MagickTrue); |
| return(MagickFalse); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e a d P S D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % ReadPSDImage() reads an Adobe Photoshop image file and returns it. It |
| % allocates the memory necessary for the new Image structure and returns a |
| % pointer to the new image. |
| % |
| % The format of the ReadPSDImage method is: |
| % |
| % Image *ReadPSDImage(image_info) |
| % |
| % A description of each parameter follows: |
| % |
| % o image_info: the image info. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| |
| static const char *CompositeOperatorToPSDBlendMode(CompositeOperator op) |
| { |
| const char |
| *blend_mode; |
| |
| switch (op) |
| { |
| case OverCompositeOp: blend_mode = "norm"; break; |
| case MultiplyCompositeOp: blend_mode = "mul "; break; |
| case DissolveCompositeOp: blend_mode = "diss"; break; |
| case DifferenceCompositeOp: blend_mode = "diff"; break; |
| case DarkenCompositeOp: blend_mode = "dark"; break; |
| case LightenCompositeOp: blend_mode = "lite"; break; |
| case HueCompositeOp: blend_mode = "hue "; break; |
| case SaturateCompositeOp: blend_mode = "sat "; break; |
| case ColorizeCompositeOp: blend_mode = "colr"; break; |
| case LuminizeCompositeOp: blend_mode = "lum "; break; |
| case ScreenCompositeOp: blend_mode = "scrn"; break; |
| case OverlayCompositeOp: blend_mode = "over"; break; |
| default: |
| blend_mode = "norm"; |
| } |
| return(blend_mode); |
| } |
| |
| static ssize_t DecodePSDPixels(const size_t number_compact_pixels, |
| const unsigned char *compact_pixels,const ssize_t depth, |
| const size_t number_pixels,unsigned char *pixels) |
| { |
| int |
| pixel; |
| |
| register ssize_t |
| i, |
| j; |
| |
| ssize_t |
| packets; |
| |
| size_t |
| length; |
| |
| packets=(ssize_t) number_compact_pixels; |
| for (i=0; (packets > 1) && (i < (ssize_t) number_pixels); ) |
| { |
| length=(*compact_pixels++); |
| packets--; |
| if (length == 128) |
| continue; |
| if (length > 128) |
| { |
| length=256-length+1; |
| pixel=(*compact_pixels++); |
| packets--; |
| for (j=0; j < (ssize_t) length; j++) |
| { |
| switch (depth) |
| { |
| case 1: |
| { |
| *pixels++=(pixel >> 7) & 0x01 ? 0U : 255U; |
| *pixels++=(pixel >> 6) & 0x01 ? 0U : 255U; |
| *pixels++=(pixel >> 5) & 0x01 ? 0U : 255U; |
| *pixels++=(pixel >> 4) & 0x01 ? 0U : 255U; |
| *pixels++=(pixel >> 3) & 0x01 ? 0U : 255U; |
| *pixels++=(pixel >> 2) & 0x01 ? 0U : 255U; |
| *pixels++=(pixel >> 1) & 0x01 ? 0U : 255U; |
| *pixels++=(pixel >> 0) & 0x01 ? 0U : 255U; |
| i+=8; |
| break; |
| } |
| case 4: |
| { |
| *pixels++=(unsigned char) ((pixel >> 4) & 0xff); |
| *pixels++=(unsigned char) ((pixel & 0x0f) & 0xff); |
| i+=2; |
| break; |
| } |
| case 2: |
| { |
| *pixels++=(unsigned char) ((pixel >> 6) & 0x03); |
| *pixels++=(unsigned char) ((pixel >> 4) & 0x03); |
| *pixels++=(unsigned char) ((pixel >> 2) & 0x03); |
| *pixels++=(unsigned char) ((pixel & 0x03) & 0x03); |
| i+=4; |
| break; |
| } |
| default: |
| { |
| *pixels++=(unsigned char) pixel; |
| i++; |
| break; |
| } |
| } |
| } |
| continue; |
| } |
| length++; |
| for (j=0; j < (ssize_t) length; j++) |
| { |
| switch (depth) |
| { |
| case 1: |
| { |
| *pixels++=(*compact_pixels >> 7) & 0x01 ? 0U : 255U; |
| *pixels++=(*compact_pixels >> 6) & 0x01 ? 0U : 255U; |
| *pixels++=(*compact_pixels >> 5) & 0x01 ? 0U : 255U; |
| *pixels++=(*compact_pixels >> 4) & 0x01 ? 0U : 255U; |
| *pixels++=(*compact_pixels >> 3) & 0x01 ? 0U : 255U; |
| *pixels++=(*compact_pixels >> 2) & 0x01 ? 0U : 255U; |
| *pixels++=(*compact_pixels >> 1) & 0x01 ? 0U : 255U; |
| *pixels++=(*compact_pixels >> 0) & 0x01 ? 0U : 255U; |
| i+=8; |
| break; |
| } |
| case 4: |
| { |
| *pixels++=(*compact_pixels >> 4) & 0xff; |
| *pixels++=(*compact_pixels & 0x0f) & 0xff; |
| i+=2; |
| break; |
| } |
| case 2: |
| { |
| *pixels++=(*compact_pixels >> 6) & 0x03; |
| *pixels++=(*compact_pixels >> 4) & 0x03; |
| *pixels++=(*compact_pixels >> 2) & 0x03; |
| *pixels++=(*compact_pixels & 0x03) & 0x03; |
| i+=4; |
| break; |
| } |
| default: |
| { |
| *pixels++=(*compact_pixels); |
| i++; |
| break; |
| } |
| } |
| compact_pixels++; |
| } |
| } |
| return(i); |
| } |
| |
| static inline MagickOffsetType GetPSDOffset(PSDInfo *psd_info,Image *image) |
| { |
| if (psd_info->version == 1) |
| return((MagickOffsetType) ReadBlobMSBShort(image)); |
| return((MagickOffsetType) ReadBlobMSBLong(image)); |
| } |
| |
| static inline MagickSizeType GetPSDSize(PSDInfo *psd_info,Image *image) |
| { |
| if (psd_info->version == 1) |
| return((MagickSizeType) ReadBlobMSBLong(image)); |
| return((MagickSizeType) ReadBlobMSBLongLong(image)); |
| } |
| |
| static inline ssize_t MagickAbsoluteValue(const ssize_t x) |
| { |
| if (x < 0) |
| return(-x); |
| return(x); |
| } |
| |
| static const char *ModeToString(PSDImageType type) |
| { |
| switch (type) |
| { |
| case BitmapMode: return "Bitmap"; |
| case GrayscaleMode: return "Grayscale"; |
| case IndexedMode: return "Indexed"; |
| case RGBMode: return "RGB"; |
| case CMYKMode: return "CMYK"; |
| case MultichannelMode: return "Multichannel"; |
| case DuotoneMode: return "Duotone"; |
| case LabMode: return "L*A*B"; |
| default: return "unknown"; |
| } |
| } |
| |
| static MagickBooleanType ParseImageResourceBlocks(Image *image, |
| const unsigned char *blocks,size_t length) |
| { |
| const unsigned char |
| *p; |
| |
| StringInfo |
| *profile; |
| |
| unsigned int |
| count, |
| long_sans; |
| |
| unsigned short |
| id, |
| short_sans; |
| |
| if (length < 16) |
| return(MagickFalse); |
| profile=AcquireStringInfo(length); |
| SetStringInfoDatum(profile,blocks); |
| (void) SetImageProfile(image,"8bim",profile); |
| profile=DestroyStringInfo(profile); |
| for (p=blocks; (p >= blocks) && (p < (blocks+length-16)); ) |
| { |
| if (LocaleNCompare((const char *) p,"8BIM",4) != 0) |
| break; |
| p=PushLongPixel(MSBEndian,p,&long_sans); |
| p=PushShortPixel(MSBEndian,p,&id); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushLongPixel(MSBEndian,p,&count); |
| switch (id) |
| { |
| case 0x03ed: |
| { |
| char |
| value[MaxTextExtent]; |
| |
| unsigned short |
| resolution; |
| |
| /* |
| Resolution info. |
| */ |
| p=PushShortPixel(MSBEndian,p,&resolution); |
| image->x_resolution=(double) resolution; |
| (void) FormatMagickString(value,MaxTextExtent,"%g",image->x_resolution); |
| (void) SetImageProperty(image,"tiff:XResolution",value); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushShortPixel(MSBEndian,p,&resolution); |
| image->y_resolution=(double) resolution; |
| (void) FormatMagickString(value,MaxTextExtent,"%g",image->y_resolution); |
| (void) SetImageProperty(image,"tiff:YResolution",value); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| break; |
| } |
| default: |
| { |
| p+=count; |
| break; |
| } |
| } |
| if ((count & 0x01) != 0) |
| p++; |
| } |
| return(MagickTrue); |
| } |
| |
| static CompositeOperator PSDBlendModeToCompositeOperator(const char *mode) |
| { |
| if (mode == (const char *) NULL) |
| return(OverCompositeOp); |
| if (LocaleNCompare(mode,"norm",4) == 0) |
| return(OverCompositeOp); |
| if (LocaleNCompare(mode,"mul ",4) == 0) |
| return(MultiplyCompositeOp); |
| if (LocaleNCompare(mode,"diss",4) == 0) |
| return(DissolveCompositeOp); |
| if (LocaleNCompare(mode,"diff",4) == 0) |
| return(DifferenceCompositeOp); |
| if (LocaleNCompare(mode,"dark",4) == 0) |
| return(DarkenCompositeOp); |
| if (LocaleNCompare(mode,"lite",4) == 0) |
| return(LightenCompositeOp); |
| if (LocaleNCompare(mode,"hue ",4) == 0) |
| return(HueCompositeOp); |
| if (LocaleNCompare(mode,"sat ",4) == 0) |
| return(SaturateCompositeOp); |
| if (LocaleNCompare(mode,"colr",4) == 0) |
| return(ColorizeCompositeOp); |
| if (LocaleNCompare(mode,"lum ",4) == 0) |
| return(LuminizeCompositeOp); |
| if (LocaleNCompare(mode,"scrn",4) == 0) |
| return(ScreenCompositeOp); |
| if (LocaleNCompare(mode,"over",4) == 0) |
| return(OverlayCompositeOp); |
| if (LocaleNCompare(mode,"hLit",4) == 0) |
| return(OverCompositeOp); |
| if (LocaleNCompare(mode,"sLit",4) == 0) |
| return(OverCompositeOp); |
| if (LocaleNCompare(mode,"smud",4) == 0) |
| return(OverCompositeOp); |
| if (LocaleNCompare(mode,"div ",4) == 0) |
| return(OverCompositeOp); |
| if (LocaleNCompare(mode,"idiv",4) == 0) |
| return(OverCompositeOp); |
| return(OverCompositeOp); |
| } |
| |
| static MagickBooleanType ReadPSDLayer(Image *image,const size_t channels, |
| const ssize_t type,const MagickOffsetType *offsets,ExceptionInfo *exception) |
| { |
| ColorspaceType |
| colorspace; |
| |
| Quantum |
| pixel; |
| |
| register const unsigned char |
| *p; |
| |
| register IndexPacket |
| *indexes; |
| |
| register PixelPacket |
| *q; |
| |
| register ssize_t |
| x; |
| |
| size_t |
| packet_size; |
| |
| ssize_t |
| count, |
| y; |
| |
| unsigned char |
| *compact_pixels, |
| *pixels; |
| |
| unsigned short |
| nibble; |
| |
| packet_size=1; |
| if (image->storage_class == PseudoClass) |
| { |
| if (image->colors > 256) |
| packet_size++; |
| else |
| if (image->depth > 8) |
| packet_size++; |
| } |
| else |
| if (image->depth > 8) |
| packet_size++; |
| pixels=(unsigned char *) AcquireQuantumMemory(image->columns+256,packet_size* |
| sizeof(*pixels)); |
| if (pixels == (unsigned char *) NULL) |
| ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| image->filename); |
| (void) ResetMagickMemory(pixels,0,image->columns*packet_size*sizeof(*pixels)); |
| compact_pixels=(unsigned char *) NULL; |
| if (image->compression == RLECompression) |
| { |
| size_t |
| length; |
| |
| length=0; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| if ((MagickOffsetType) length < offsets[y]) |
| length=(size_t) offsets[y]; |
| compact_pixels=(unsigned char *) AcquireQuantumMemory(length, |
| sizeof(*pixels)); |
| if (compact_pixels == (unsigned char *) NULL) |
| ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| image->filename); |
| (void) ResetMagickMemory(compact_pixels,0,length*sizeof(*compact_pixels)); |
| } |
| colorspace=image->colorspace; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| if (image->depth == 1) |
| { |
| count=ReadBlob(image,(image->columns+7)/8,pixels); |
| if (count < (ssize_t) ((image->columns+7)/8)) |
| break; |
| } |
| else |
| { |
| if (image->compression != RLECompression) |
| count=ReadBlob(image,packet_size*image->columns,pixels); |
| else |
| { |
| count=ReadBlob(image,(size_t) offsets[y],compact_pixels); |
| if (count != (ssize_t) offsets[y]) |
| break; |
| count=DecodePSDPixels((size_t) offsets[y],compact_pixels, |
| (ssize_t) image->depth,packet_size*image->columns,pixels); |
| } |
| if (count < (ssize_t) (packet_size*image->columns)) |
| break; |
| } |
| q=GetAuthenticPixels(image,0,y,image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| indexes=GetAuthenticIndexQueue(image); |
| p=pixels; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| if (packet_size == 1) |
| pixel=ScaleCharToQuantum(*p++); |
| else |
| { |
| p=PushShortPixel(MSBEndian,p,&nibble); |
| pixel=ScaleShortToQuantum(nibble); |
| } |
| switch (type) |
| { |
| case -1: |
| { |
| q->opacity=(Quantum) (QuantumRange-pixel); |
| break; |
| } |
| case 0: |
| { |
| q->red=pixel; |
| if (channels == 1) |
| { |
| q->green=q->red; |
| q->blue=q->red; |
| } |
| if (image->storage_class == PseudoClass) |
| { |
| if (packet_size == 1) |
| indexes[x]=(IndexPacket) ScaleQuantumToChar(pixel); |
| else |
| indexes[x]=(IndexPacket) ScaleQuantumToShort(pixel); |
| q->red=image->colormap[(ssize_t) indexes[x]].red; |
| q->green=image->colormap[(ssize_t) indexes[x]].green; |
| q->blue=image->colormap[(ssize_t) indexes[x]].blue; |
| if (image->depth == 1) |
| { |
| ssize_t |
| bit; |
| |
| for (bit=0; bit < (ssize_t) (image->columns % 8); bit++) |
| { |
| indexes[x]=((((unsigned char) pixel) & (0x01 << (7-bit))) |
| != 0 ? 0 : 255); |
| q->red=image->colormap[(ssize_t) indexes[x]].red; |
| q->green=image->colormap[(ssize_t) indexes[x]].green; |
| q->blue=image->colormap[(ssize_t) indexes[x]].blue; |
| q++; |
| x++; |
| } |
| q--; |
| x--; |
| } |
| } |
| break; |
| } |
| case 1: |
| { |
| if (image->storage_class == PseudoClass) |
| q->opacity=(Quantum) (QuantumRange-pixel); |
| else |
| q->green=pixel; |
| break; |
| } |
| case 2: |
| { |
| if (image->storage_class == PseudoClass) |
| q->opacity=(Quantum) (QuantumRange-pixel); |
| else |
| q->blue=pixel; |
| break; |
| } |
| case 3: |
| { |
| if (image->colorspace == CMYKColorspace) |
| indexes[x]=(IndexPacket) pixel; |
| else |
| q->opacity=(Quantum) (QuantumRange-pixel); |
| break; |
| } |
| case 4: |
| { |
| if ((image->colorspace == RGBColorspace) && (channels > 3)) |
| break; |
| q->opacity=(Quantum) (QuantumRange-pixel); |
| break; |
| } |
| default: |
| break; |
| } |
| q++; |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| } |
| image->colorspace=colorspace; |
| if (image->compression == RLECompression) |
| compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); |
| pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| return(MagickTrue); |
| } |
| |
| static Image *ReadPSDImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| { |
| char |
| message[MaxTextExtent], |
| type[4]; |
| |
| Image |
| *image; |
| |
| LayerInfo |
| *layer_info; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| offset, |
| *offsets; |
| |
| MagickSizeType |
| combinedlength, |
| length, |
| size; |
| |
| PSDInfo |
| psd_info; |
| |
| register PixelPacket |
| *q; |
| |
| register ssize_t |
| i, |
| x; |
| |
| size_t |
| mask_size, |
| skip_first_alpha = 0; |
| |
| ssize_t |
| count, |
| j, |
| number_layers, |
| y; |
| |
| unsigned char |
| *data; |
| |
| unsigned short |
| compression; |
| |
| /* |
| Open image file. |
| */ |
| assert(image_info != (const ImageInfo *) NULL); |
| assert(image_info->signature == MagickSignature); |
| if (image_info->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| image_info->filename); |
| assert(exception != (ExceptionInfo *) NULL); |
| assert(exception->signature == MagickSignature); |
| image=AcquireImage(image_info); |
| status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| if (status == MagickFalse) |
| { |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| /* |
| Read image header. |
| */ |
| count=ReadBlob(image,4,(unsigned char *) psd_info.signature); |
| psd_info.version=ReadBlobMSBShort(image); |
| if ((count == 0) || (LocaleNCompare(psd_info.signature,"8BPS",4) != 0) || |
| ((psd_info.version != 1) && (psd_info.version != 2))) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| count=ReadBlob(image,6,psd_info.reserved); |
| psd_info.channels=ReadBlobMSBShort(image); |
| if (psd_info.channels > MaxPSDChannels) |
| ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded"); |
| psd_info.rows=ReadBlobMSBLong(image); |
| psd_info.columns=ReadBlobMSBLong(image); |
| if ((psd_info.version == 1) && ((psd_info.rows > 30000) || |
| (psd_info.columns > 30000))) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| psd_info.depth=ReadBlobMSBShort(image); |
| if ((psd_info.depth != 1) && (psd_info.depth != 8) && (psd_info.depth != 16)) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| psd_info.mode=ReadBlobMSBShort(image); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " Image is %.20g x %.20g with channels=%.20g, depth=%.20g, mode=%s", |
| (double) psd_info.columns,(double) psd_info.rows,(double) |
| psd_info.channels,(double) psd_info.depth,ModeToString((PSDImageType) |
| psd_info.mode)); |
| /* |
| Initialize image. |
| */ |
| image->depth=psd_info.depth; |
| image->columns=psd_info.columns; |
| image->rows=psd_info.rows; |
| if (SetImageBackgroundColor(image) == MagickFalse) |
| { |
| InheritException(exception,&image->exception); |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| image->matte=psd_info.channels >= 4 ? MagickTrue : MagickFalse; |
| if (psd_info.mode == LabMode) |
| image->colorspace=LabColorspace; |
| if (psd_info.mode == CMYKMode) |
| { |
| image->colorspace=CMYKColorspace; |
| image->matte=psd_info.channels >= 5 ? MagickTrue : MagickFalse; |
| } |
| if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) || |
| (psd_info.mode == DuotoneMode)) |
| { |
| if (AcquireImageColormap(image,256) == MagickFalse) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| image->matte=psd_info.channels >= 2 ? MagickTrue : MagickFalse; |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " Image colormap allocated"); |
| image->colorspace=GRAYColorspace; |
| } |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| image->matte ? " image has matte" : " image has no matte"); |
| /* |
| Read PSD raster colormap only present for indexed and duotone images. |
| */ |
| length=ReadBlobMSBLong(image); |
| if (length != 0) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading colormap"); |
| if (psd_info.mode == DuotoneMode) |
| { |
| /* |
| Duotone image data; the format of this data is undocumented. |
| */ |
| data=(unsigned char *) AcquireQuantumMemory((size_t) length, |
| sizeof(*data)); |
| if (data == (unsigned char *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| count=ReadBlob(image,(size_t) length,data); |
| data=(unsigned char *) RelinquishMagickMemory(data); |
| } |
| else |
| { |
| /* |
| Read PSD raster colormap. |
| */ |
| if (AcquireImageColormap(image,(size_t) (length/3)) == MagickFalse) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| image->colormap[i].red=ScaleCharToQuantum((unsigned char) |
| ReadBlobByte(image)); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| image->colormap[i].green=ScaleCharToQuantum((unsigned char) |
| ReadBlobByte(image)); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| image->colormap[i].blue=ScaleCharToQuantum((unsigned char) |
| ReadBlobByte(image)); |
| image->matte=psd_info.channels >= 2 ? MagickTrue : MagickFalse; |
| } |
| } |
| length=ReadBlobMSBLong(image); |
| if (length != 0) |
| { |
| unsigned char |
| *blocks; |
| |
| /* |
| Image resources block. |
| */ |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading image resource blocks - %.20g bytes",(double) length); |
| blocks=(unsigned char *) AcquireQuantumMemory((size_t) length, |
| sizeof(*blocks)); |
| if (blocks == (unsigned char *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| count=ReadBlob(image,(size_t) length,blocks); |
| if ((count != (ssize_t) length) || |
| (LocaleNCompare((char *) blocks,"8BIM",4) != 0)) |
| { |
| blocks=(unsigned char *) RelinquishMagickMemory(blocks); |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| } |
| (void) ParseImageResourceBlocks(image,blocks,(size_t) length); |
| blocks=(unsigned char *) RelinquishMagickMemory(blocks); |
| } |
| /* |
| Layer and mask block. |
| */ |
| layer_info=(LayerInfo *) NULL; |
| number_layers=1; |
| length=GetPSDSize(&psd_info,image); |
| if (length == 8) |
| { |
| length=ReadBlobMSBLong(image); |
| length=ReadBlobMSBLong(image); |
| } |
| if ((image_info->number_scenes == 1) && (image_info->scene == 0)) |
| { |
| if (DiscardBlobBytes(image,length) == MagickFalse) |
| ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
| image->filename); |
| length=0; |
| } |
| if (length == 0) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " image has no layers"); |
| } |
| else |
| { |
| offset=TellBlob(image); |
| size=GetPSDSize(&psd_info,image); |
| if (size == 0) |
| { |
| size_t |
| quantum; |
| |
| /* |
| Skip layers & masks. |
| */ |
| quantum=psd_info.version == 1 ? 4UL : 8UL; |
| if (DiscardBlobBytes(image,length-quantum) == MagickFalse) |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| } |
| else |
| { |
| MagickOffsetType |
| layer_offset; |
| |
| layer_offset=offset+length; |
| number_layers=(short) ReadBlobMSBShort(image); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " image contains %.20g layers",(double) number_layers); |
| if (number_layers < 0) |
| { |
| /* |
| Weird hack in PSD format to ignore first alpha channel. |
| */ |
| skip_first_alpha=1; |
| (void) skip_first_alpha; |
| number_layers=MagickAbsoluteValue(number_layers); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " negative layer count corrected for"); |
| } |
| layer_info=(LayerInfo *) AcquireQuantumMemory((size_t) number_layers, |
| sizeof(*layer_info)); |
| if (layer_info == (LayerInfo *) NULL) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " allocation of LayerInfo failed"); |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| } |
| (void) ResetMagickMemory(layer_info,0,(size_t) number_layers* |
| sizeof(*layer_info)); |
| for (i=0; i < number_layers; i++) |
| { |
| int |
| x, |
| y; |
| |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading layer #%.20g",(double) i+1); |
| layer_info[i].page.y=(int) ReadBlobMSBLong(image); |
| layer_info[i].page.x=(int) ReadBlobMSBLong(image); |
| y=(int) ReadBlobMSBLong(image); |
| x=(int) ReadBlobMSBLong(image); |
| layer_info[i].page.width=(ssize_t) (x-layer_info[i].page.x); |
| layer_info[i].page.height=(ssize_t) (y-layer_info[i].page.y); |
| layer_info[i].channels=ReadBlobMSBShort(image); |
| if (layer_info[i].channels > MaxPSDChannels) |
| ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded"); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " offset(%.20g,%.20g), size(%.20g,%.20g), channels=%.20g", |
| (double) layer_info[i].page.x,(double) layer_info[i].page.y, |
| (double) layer_info[i].page.height,(double) |
| layer_info[i].page.width,(double) layer_info[i].channels); |
| for (j=0; j < (ssize_t) layer_info[i].channels; j++) |
| { |
| layer_info[i].channel_info[j].type=(short) |
| ReadBlobMSBShort(image); |
| layer_info[i].channel_info[j].size=(size_t) |
| GetPSDSize(&psd_info,image); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " channel[%.20g]: type=%.20g, size=%.20g",(double) j, |
| (double) layer_info[i].channel_info[j].type, |
| (double) layer_info[i].channel_info[j].size); |
| } |
| count=ReadBlob(image,4,(unsigned char *) type); |
| if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0)) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer type was %.4s instead of 8BIM", type); |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| } |
| count=ReadBlob(image,4,(unsigned char *) layer_info[i].blendkey); |
| layer_info[i].opacity=(Quantum) (QuantumRange-ScaleCharToQuantum( |
| (unsigned char) ReadBlobByte(image))); |
| layer_info[i].clipping=(unsigned char) ReadBlobByte(image); |
| layer_info[i].flags=(unsigned char) ReadBlobByte(image); |
| layer_info[i].visible=!(layer_info[i].flags & 0x02); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " blend=%.4s, opacity=%.20g, clipping=%s, flags=%d, visible=%s", |
| layer_info[i].blendkey,(double) layer_info[i].opacity, |
| layer_info[i].clipping ? "true" : "false",layer_info[i].flags, |
| layer_info[i].visible ? "true" : "false"); |
| (void) ReadBlobByte(image); /* filler */ |
| combinedlength=0; |
| size=ReadBlobMSBLong(image); |
| if (size != 0) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer contains additional info"); |
| length=ReadBlobMSBLong(image); |
| if (length != 0) |
| { |
| /* |
| Layer mask info. |
| */ |
| layer_info[i].mask.y=(int) ReadBlobMSBLong(image); |
| layer_info[i].mask.x=(int) ReadBlobMSBLong(image); |
| layer_info[i].mask.height=(size_t) |
| (ReadBlobMSBLong(image)-layer_info[i].mask.y); |
| layer_info[i].mask.width=(size_t) |
| (ReadBlobMSBLong(image)-layer_info[i].mask.x); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer mask: offset(%.20g,%.20g), size(%.20g,%.20g), length=%.20g", |
| (double) layer_info[i].mask.x,(double) layer_info[i].mask.y, |
| (double) layer_info[i].mask.width,(double) |
| layer_info[i].mask.height,(double) length-16); |
| /* |
| Skip over the rest of the layer mask information. |
| */ |
| if (DiscardBlobBytes(image,length-16) == MagickFalse) |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| } |
| combinedlength+=length+4; /* +4 for length */ |
| length=ReadBlobMSBLong(image); |
| if (length != 0) |
| { |
| /* |
| Layer blending ranges info. |
| */ |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer blending ranges: length=%.20g",(double) |
| length); |
| /* |
| We read it, but don't use it... |
| */ |
| for (j=0; j < (ssize_t) (length); j+=8) |
| { |
| size_t blend_source=ReadBlobMSBLong(image); |
| size_t blend_dest=ReadBlobMSBLong(image); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " source(%x), dest(%x)",(unsigned int) |
| blend_source,(unsigned int) blend_dest); |
| } |
| } |
| combinedlength+=length+4; |
| /* |
| Layer name. |
| */ |
| length=(size_t) ReadBlobByte(image); |
| for (j=0; j < (ssize_t) length; j++) |
| layer_info[i].name[j]=(unsigned char) ReadBlobByte(image); |
| layer_info[i].name[j]='\0'; |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer name: %s",layer_info[i].name); |
| combinedlength+=length+1; |
| |
| #if 0 /* still in development */ |
| /* |
| Adjustment layers and other stuff... |
| */ |
| { |
| char alsig[4], |
| alkey[4]; |
| |
| count=ReadBlob(image,4,alsig); |
| if ((count == 0) || (LocaleNCompare(alsig,"8BIM",4) != 0)) { |
| if (debug != MagickFalse) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule()," adjustment layer type was %.4s instead of 8BIM", alsig); |
| } |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| } |
| count=ReadBlob(image,4,alkey); |
| length=ReadBlobMSBLong(image); |
| if (debug != MagickFalse) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " adjustment layer key: %.4s, data length=%.20g", |
| alkey, (double) length); |
| } |
| |
| if ( length ) { |
| for (j=0; j < (ssize_t) (length); j++) |
| (void) ReadBlobByte(image); |
| } |
| |
| } |
| combinedlength += 12 + length; /* sig, key, length + the actual length*/ |
| #endif |
| |
| /* |
| Skip the rest of the variable data until we support it. |
| */ |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " unsupported data: length=%.20g",(double) |
| (size-combinedlength)); |
| if (DiscardBlobBytes(image,size-combinedlength) == MagickFalse) |
| ThrowFileException(exception,CorruptImageError, |
| "UnexpectedEndOfFile",image->filename); |
| } |
| /* |
| Allocate layered image. |
| */ |
| layer_info[i].image=CloneImage(image,layer_info[i].page.width, |
| layer_info[i].page.height == ~0U ? 1 : layer_info[i].page.height, |
| MagickFalse,&image->exception); |
| if (layer_info[i].image == (Image *) NULL) |
| { |
| for (j=0; j < i; j++) |
| layer_info[j].image=DestroyImage(layer_info[j].image); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " allocation of image for layer %.20g failed",(double) i); |
| ThrowReaderException(ResourceLimitError, |
| "MemoryAllocationFailed"); |
| } |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " setting up new layer image"); |
| if (image_info->ping != MagickFalse) |
| (void) SetImageBackgroundColor(layer_info[i].image); |
| layer_info[i].image->compose= |
| PSDBlendModeToCompositeOperator(layer_info[i].blendkey); |
| if (layer_info[i].visible == MagickFalse) |
| layer_info[i].image->compose=NoCompositeOp; |
| if (psd_info.mode == CMYKMode) |
| layer_info[i].image->colorspace=CMYKColorspace; |
| if ((psd_info.mode == BitmapMode) || |
| (psd_info.mode == GrayscaleMode) || |
| (psd_info.mode == DuotoneMode)) |
| layer_info[i].image->colorspace=GRAYColorspace; |
| for (j=0; j < (ssize_t) layer_info[i].channels; j++) |
| if (layer_info[i].channel_info[j].type == -1) |
| layer_info[i].image->matte=MagickTrue; |
| /* |
| Set up some hidden attributes for folks that need them. |
| */ |
| (void) FormatMagickString(message,MaxTextExtent,"%.20gld", |
| (double) layer_info[i].page.x); |
| (void) SetImageArtifact(layer_info[i].image,"psd:layer.x",message); |
| (void) FormatMagickString(message,MaxTextExtent,"%.20g", |
| (double) layer_info[i].page.y); |
| (void) SetImageArtifact(layer_info[i].image,"psd:layer.y",message); |
| (void) FormatMagickString(message,MaxTextExtent,"%.20g", |
| (double) layer_info[i].opacity); |
| (void) SetImageArtifact(layer_info[i].image,"psd:layer.opacity", |
| message); |
| (void) SetImageProperty(layer_info[i].image,"label",(char *) |
| layer_info[i].name); |
| } |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading image data for layers"); |
| /* |
| Read pixel data for each layer. |
| */ |
| for (i=0; i < number_layers; i++) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading data for layer %.20g",(double) i); |
| for (j=0; j < (ssize_t) layer_info[i].channels; j++) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading data for channel %.20g",(double) j); |
| #if 1 |
| if (layer_info[i].channel_info[j].size <= (2*layer_info[i].image->rows)) |
| { |
| ssize_t |
| k; |
| |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer data is empty"); |
| /* |
| A layer without data. |
| */ |
| for (k=0; k < (ssize_t) layer_info[i].channel_info[j].size; k++) |
| (void) ReadBlobByte(layer_info[i].image); |
| continue; |
| } |
| #endif |
| offsets=(MagickOffsetType *) NULL; |
| layer_info[i].image->compression=NoCompression; |
| compression=ReadBlobMSBShort(layer_info[i].image); |
| if ((layer_info[i].page.height != 0) && |
| (layer_info[i].page.width != 0)) |
| { |
| if (compression == 1) |
| { |
| /* |
| Read RLE compressed data. |
| */ |
| layer_info[i].image->compression=RLECompression; |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " layer data is RLE compressed"); |
| offsets=(MagickOffsetType *) AcquireQuantumMemory( |
| layer_info[i].image->rows,sizeof(*offsets)); |
| if (offsets == (MagickOffsetType *) NULL) |
| ThrowReaderException(ResourceLimitError, |
| "MemoryAllocationFailed"); |
| for (y=0; y < (ssize_t) layer_info[i].image->rows; y++) |
| offsets[y]=GetPSDOffset(&psd_info,layer_info[i].image); |
| } |
| status=ReadPSDLayer(layer_info[i].image, |
| layer_info[i].channels,layer_info[i].channel_info[j].type, |
| offsets,exception); |
| if (compression == 1) |
| offsets=(MagickOffsetType *) RelinquishMagickMemory( |
| offsets); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (layer_info[i].opacity != OpaqueOpacity) |
| { |
| /* |
| Correct for opacity level. |
| */ |
| for (y=0; y < (ssize_t) layer_info[i].image->rows; y++) |
| { |
| q=GetAuthenticPixels(layer_info[i].image,0,y, |
| layer_info[i].image->columns,1,exception); |
| if (q == (PixelPacket *) NULL) |
| break; |
| for (x=0; x < (ssize_t) layer_info[i].image->columns; x++) |
| { |
| q->opacity=(Quantum) (QuantumRange-(Quantum) (QuantumScale* |
| ((QuantumRange-q->opacity)*(QuantumRange- |
| layer_info[i].opacity)))); |
| q++; |
| } |
| if (SyncAuthenticPixels(layer_info[i].image,exception) == MagickFalse) |
| break; |
| } |
| } |
| if (layer_info[i].image->colorspace == CMYKColorspace) |
| (void) NegateImage(layer_info[i].image,MagickFalse); |
| status=SetImageProgress(image,LoadImagesTag,i,(MagickSizeType) |
| number_layers); |
| if (status == MagickFalse) |
| break; |
| } |
| /* added by palf -> invisible group layer make layer of this group |
| invisible I consider that all layer with width and height null are |
| layer for group layer */ |
| { |
| short inside_layer = 0; |
| short layer_visible = 0; |
| for (i=number_layers-1; i >=0; i--) |
| { |
| if ((layer_info[i].page.width == 0) || |
| (layer_info[i].page.height == 0)) |
| { |
| if (inside_layer == 0) |
| { |
| inside_layer=1; |
| layer_visible=(short int) layer_info[i].visible; |
| } |
| else |
| { |
| inside_layer = 0; |
| } |
| } |
| else |
| if ((inside_layer == 1) && (layer_visible == 0)) |
| { |
| layer_info[i].visible=(unsigned char) layer_visible; |
| layer_info[i].image->compose=NoCompositeOp; |
| } |
| } |
| } |
| /* added by palf -> suppression of empty layer */ |
| /* I consider that all layer with width and height null are layer for group layer */ |
| for (i=0; i < number_layers; i++) |
| { |
| if ((layer_info[i].page.width == 0) || |
| (layer_info[i].page.height == 0)) |
| { |
| if (layer_info[i].image != (Image *) NULL) |
| layer_info[i].image=DestroyImage(layer_info[i].image); |
| for (j=i; j < number_layers - 1; j++) |
| layer_info[j] = layer_info[j+1]; |
| number_layers--; |
| i--; |
| } |
| } |
| mask_size = ReadBlobMSBLong(image); /* global mask size: currently ignored */ |
| (void) mask_size; |
| if (number_layers > 0) |
| { |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " putting layers into image list"); |
| for (i=0; i < number_layers; i++) |
| { |
| if (i > 0) |
| layer_info[i].image->previous=layer_info[i-1].image; |
| if (i < (number_layers-1)) |
| layer_info[i].image->next=layer_info[i+1].image; |
| layer_info[i].image->page=layer_info[i].page; |
| } |
| image->next=layer_info[0].image; |
| layer_info[0].image->previous=image; |
| layer_info=(LayerInfo *) RelinquishMagickMemory(layer_info); |
| } |
| layer_offset-=TellBlob(image); |
| offset=SeekBlob(image,layer_offset,SEEK_CUR); |
| } |
| } |
| /* |
| Read the precombined layer, present for PSD < 4 compatibility |
| */ |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| " reading the precombined layer"); |
| offsets=(MagickOffsetType *) NULL; |
| image->compression=NoCompression; |
| compression=ReadBlobMSBShort(image); |
| if (compression == 1) |
| { |
| /* |
| Read Packbit encoded pixel data as separate planes. |
| */ |
| image->compression=RLECompression; |
| offsets=(MagickOffsetType *) AcquireQuantumMemory(image->rows, |
| psd_info.channels*sizeof(*offsets)); |
| if (offsets == (MagickOffsetType *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| for (i=0; i < (ssize_t) (image->rows*psd_info.channels); i++) |
| offsets[i]=GetPSDOffset(&psd_info,image); |
| } |
| for (i=0; i < (ssize_t) psd_info.channels; i++) |
| { |
| status=ReadPSDLayer(image,psd_info.channels,i,offsets+i*image->rows, |
| exception); |
| if (status == MagickFalse) |
| break; |
| status=SetImageProgress(image,LoadImagesTag,i,psd_info.channels); |
| if (status == MagickFalse) |
| break; |
| } |
| if (compression == 1) |
| offsets=(MagickOffsetType *) RelinquishMagickMemory(offsets); |
| if (image->colorspace == CMYKColorspace) |
| (void) NegateImage(image,MagickFalse); |
| if ((number_layers == 1) && (image->next != (Image *) NULL) && |
| (image->matte != MagickFalse)) |
| DeleteImageFromList(&image); |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r P S D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterPSDImage() adds properties for the PSD image format to |
| % the list of supported formats. The properties include the image format |
| % tag, a method to read and/or write the format, whether the format |
| % supports the saving of more than one frame to the same file or blob, |
| % whether the format supports native in-memory I/O, and a brief |
| % description of the format. |
| % |
| % The format of the RegisterPSDImage method is: |
| % |
| % size_t RegisterPSDImage(void) |
| % |
| */ |
| ModuleExport size_t RegisterPSDImage(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=SetMagickInfo("PSB"); |
| entry->decoder=(DecodeImageHandler *) ReadPSDImage; |
| entry->encoder=(EncodeImageHandler *) WritePSDImage; |
| entry->magick=(IsImageFormatHandler *) IsPSD; |
| entry->description=ConstantString("Adobe Large Document Format"); |
| entry->module=ConstantString("PSD"); |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("PSD"); |
| entry->decoder=(DecodeImageHandler *) ReadPSDImage; |
| entry->encoder=(EncodeImageHandler *) WritePSDImage; |
| entry->magick=(IsImageFormatHandler *) IsPSD; |
| entry->description=ConstantString("Adobe Photoshop bitmap"); |
| entry->module=ConstantString("PSD"); |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r P S D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterPSDImage() removes format registrations made by the |
| % PSD module from the list of supported formats. |
| % |
| % The format of the UnregisterPSDImage method is: |
| % |
| % UnregisterPSDImage(void) |
| % |
| */ |
| ModuleExport void UnregisterPSDImage(void) |
| { |
| (void) UnregisterMagickInfo("PSB"); |
| (void) UnregisterMagickInfo("PSD"); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % W r i t e P S D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % WritePSDImage() writes an image in the Adobe Photoshop encoded image format. |
| % |
| % The format of the WritePSDImage method is: |
| % |
| % MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image) |
| % |
| % A description of each parameter follows. |
| % |
| % o image_info: the image info. |
| % |
| % o image: The image. |
| % |
| % |
| */ |
| |
| static inline ssize_t SetPSDOffset(const PSDInfo *psd_info,Image *image, |
| const size_t offset) |
| { |
| if (psd_info->version == 1) |
| return(WriteBlobMSBShort(image,(unsigned short) offset)); |
| return(WriteBlobMSBLong(image,(unsigned short) offset)); |
| } |
| |
| static inline ssize_t SetPSDSize(const PSDInfo *psd_info,Image *image, |
| const MagickSizeType size) |
| { |
| if (psd_info->version == 1) |
| return(WriteBlobMSBLong(image,(unsigned int) size)); |
| return(WriteBlobMSBLongLong(image,size)); |
| } |
| |
| static size_t PSDPackbitsEncodeImage(Image *image,const size_t length, |
| const unsigned char *pixels,unsigned char *compact_pixels) |
| { |
| int |
| count; |
| |
| register ssize_t |
| i, |
| j; |
| |
| register unsigned char |
| *q; |
| |
| unsigned char |
| *packbits; |
| |
| /* |
| Compress pixels with Packbits encoding. |
| */ |
| assert(image != (Image *) NULL); |
| assert(image->signature == MagickSignature); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| assert(pixels != (unsigned char *) NULL); |
| packbits=(unsigned char *) AcquireQuantumMemory(128UL,sizeof(*packbits)); |
| if (packbits == (unsigned char *) NULL) |
| ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| image->filename); |
| q=compact_pixels; |
| for (i=(ssize_t) length; i != 0; ) |
| { |
| switch (i) |
| { |
| case 1: |
| { |
| i--; |
| *q++=(unsigned char) 0; |
| *q++=(*pixels); |
| break; |
| } |
| case 2: |
| { |
| i-=2; |
| *q++=(unsigned char) 1; |
| *q++=(*pixels); |
| *q++=pixels[1]; |
| break; |
| } |
| case 3: |
| { |
| i-=3; |
| if ((*pixels == *(pixels+1)) && (*(pixels+1) == *(pixels+2))) |
| { |
| *q++=(unsigned char) ((256-3)+1); |
| *q++=(*pixels); |
| break; |
| } |
| *q++=(unsigned char) 2; |
| *q++=(*pixels); |
| *q++=pixels[1]; |
| *q++=pixels[2]; |
| break; |
| } |
| default: |
| { |
| if ((*pixels == *(pixels+1)) && (*(pixels+1) == *(pixels+2))) |
| { |
| /* |
| Packed run. |
| */ |
| count=3; |
| while (((ssize_t) count < i) && (*pixels == *(pixels+count))) |
| { |
| count++; |
| if (count >= 127) |
| break; |
| } |
| i-=count; |
| *q++=(unsigned char) ((256-count)+1); |
| *q++=(*pixels); |
| pixels+=count; |
| break; |
| } |
| /* |
| Literal run. |
| */ |
| count=0; |
| while ((*(pixels+count) != *(pixels+count+1)) || |
| (*(pixels+count+1) != *(pixels+count+2))) |
| { |
| packbits[count+1]=pixels[count]; |
| count++; |
| if (((ssize_t) count >= (i-3)) || (count >= 127)) |
| break; |
| } |
| i-=count; |
| *packbits=(unsigned char) (count-1); |
| for (j=0; j <= (ssize_t) count; j++) |
| *q++=packbits[j]; |
| pixels+=count; |
| break; |
| } |
| } |
| } |
| *q++=(unsigned char) 128; /* EOD marker */ |
| packbits=(unsigned char *) RelinquishMagickMemory(packbits); |
| return((size_t) (q-compact_pixels)); |
| } |
| |
| static void WritePackbitsLength(const PSDInfo *psd_info, |
| const ImageInfo *image_info,Image *image,Image *next_image, |
| unsigned char *compact_pixels,const QuantumType quantum_type) |
| { |
| QuantumInfo |
| *quantum_info; |
| |
| register const PixelPacket |
| *p; |
| |
| size_t |
| length, |
| packet_size; |
| |
| ssize_t |
| y; |
| |
| unsigned char |
| *pixels; |
| |
| if (next_image->depth > 8) |
| next_image->depth=16; |
| packet_size=next_image->depth > 8UL ? 2UL : 1UL; |
| (void) packet_size; |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| pixels=GetQuantumPixels(quantum_info); |
| for (y=0; y < (ssize_t) next_image->rows; y++) |
| { |
| p=GetVirtualPixels(next_image,0,y,next_image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info, |
| quantum_type,pixels,&image->exception); |
| length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels); |
| (void) SetPSDOffset(psd_info,image,length); |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| } |
| |
| static void WriteOneChannel(const PSDInfo *psd_info,const ImageInfo *image_info, |
| Image *image,Image *next_image,unsigned char *compact_pixels, |
| const QuantumType quantum_type,const MagickBooleanType compression_flag) |
| { |
| int |
| y; |
| |
| MagickBooleanType |
| monochrome; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| register const PixelPacket |
| *p; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| length, |
| packet_size; |
| |
| unsigned char |
| *pixels; |
| |
| (void) psd_info; |
| if ((compression_flag != MagickFalse) && |
| (next_image->compression != RLECompression)) |
| (void) WriteBlobMSBShort(image,0); |
| if (next_image->depth > 8) |
| next_image->depth=16; |
| monochrome=IsMonochromeImage(image,&image->exception) && (image->depth == 1) |
| ? MagickTrue : MagickFalse; |
| packet_size=next_image->depth > 8UL ? 2UL : 1UL; |
| (void) packet_size; |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| pixels=GetQuantumPixels(quantum_info); |
| for (y=0; y < (ssize_t) next_image->rows; y++) |
| { |
| p=GetVirtualPixels(next_image,0,y,next_image->columns,1,&image->exception); |
| if (p == (const PixelPacket *) NULL) |
| break; |
| length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info, |
| quantum_type,pixels,&image->exception); |
| if (monochrome != MagickFalse) |
| for (i=0; i < (ssize_t) length; i++) |
| pixels[i]=(~pixels[i]); |
| if (next_image->compression != RLECompression) |
| (void) WriteBlob(image,length,pixels); |
| else |
| { |
| length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels); |
| (void) WriteBlob(image,length,compact_pixels); |
| } |
| } |
| quantum_info=DestroyQuantumInfo(quantum_info); |
| } |
| |
| static MagickBooleanType WriteImageChannels(const PSDInfo *psd_info, |
| const ImageInfo *image_info,Image *image,Image *next_image, |
| const MagickBooleanType separate) |
| { |
| int |
| i; |
| |
| size_t |
| channels, |
| packet_size; |
| |
| unsigned char |
| *compact_pixels; |
| |
| /* |
| Write uncompressed pixels as separate planes. |
| */ |
| channels=1; |
| packet_size=next_image->depth > 8UL ? 2UL : 1UL; |
| compact_pixels=(unsigned char *) NULL; |
| if (next_image->compression == RLECompression) |
| { |
| compact_pixels=(unsigned char *) AcquireQuantumMemory(2*channels* |
| next_image->columns,packet_size*sizeof(*compact_pixels)); |
| if (compact_pixels == (unsigned char *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| } |
| i=0; |
| if (IsGrayImage(next_image,&next_image->exception) != MagickFalse) |
| { |
| if (next_image->compression == RLECompression) |
| { |
| /* |
| Packbits compression. |
| */ |
| (void) WriteBlobMSBShort(image,1); |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,GrayQuantum); |
| if (next_image->matte != MagickFalse) |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,AlphaQuantum); |
| } |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| GrayQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| if (next_image->matte != MagickFalse) |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| (void) SetImageProgress(image,SaveImagesTag,0,1); |
| } |
| else |
| if (next_image->storage_class == PseudoClass) |
| { |
| if (next_image->compression == RLECompression) |
| { |
| /* |
| Packbits compression. |
| */ |
| (void) WriteBlobMSBShort(image,1); |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,IndexQuantum); |
| if (next_image->matte != MagickFalse) |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,AlphaQuantum); |
| } |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| IndexQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| if (next_image->matte != MagickFalse) |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| (void) SetImageProgress(image,SaveImagesTag,0,1); |
| } |
| else |
| { |
| if (next_image->colorspace == CMYKColorspace) |
| (void) NegateImage(next_image,MagickFalse); |
| if (next_image->compression == RLECompression) |
| { |
| /* |
| Packbits compression. |
| */ |
| (void) WriteBlobMSBShort(image,1); |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,RedQuantum); |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,GreenQuantum); |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,BlueQuantum); |
| if (next_image->colorspace == CMYKColorspace) |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,BlackQuantum); |
| if (next_image->matte != MagickFalse) |
| WritePackbitsLength(psd_info,image_info,image,next_image, |
| compact_pixels,AlphaQuantum); |
| } |
| (void) SetImageProgress(image,SaveImagesTag,0,6); |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| RedQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| (void) SetImageProgress(image,SaveImagesTag,1,6); |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| GreenQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| (void) SetImageProgress(image,SaveImagesTag,2,6); |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| BlueQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| (void) SetImageProgress(image,SaveImagesTag,3,6); |
| if (next_image->colorspace == CMYKColorspace) |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| BlackQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| (void) SetImageProgress(image,SaveImagesTag,4,6); |
| if (next_image->matte != MagickFalse) |
| WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels, |
| AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue : |
| MagickFalse); |
| (void) SetImageProgress(image,SaveImagesTag,5,6); |
| if (next_image->colorspace == CMYKColorspace) |
| (void) NegateImage(next_image,MagickFalse); |
| } |
| if (next_image->compression == RLECompression) |
| compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels); |
| return(MagickTrue); |
| } |
| |
| static void WritePascalString(Image* inImage,const char *inString,int inPad) |
| { |
| size_t |
| length; |
| |
| register ssize_t |
| i; |
| |
| /* |
| Max length is 255. |
| */ |
| length=(strlen(inString) > 255UL ) ? 255UL : strlen(inString); |
| if (length == 0) |
| (void) WriteBlobByte(inImage,0); |
| else |
| { |
| (void) WriteBlobByte(inImage,(unsigned char) length); |
| (void) WriteBlob(inImage, length, (const unsigned char *) inString); |
| } |
| length++; |
| if ((length % inPad) == 0) |
| return; |
| for (i=0; i < (ssize_t) (inPad-(length % inPad)); i++) |
| (void) WriteBlobByte(inImage,0); |
| } |
| |
| static void WriteResolutionResourceBlock(Image *image) |
| { |
| double |
| x_resolution, |
| y_resolution; |
| |
| unsigned short |
| units; |
| |
| x_resolution=65536.0*image->x_resolution+0.5; |
| y_resolution=65536.0*image->y_resolution+0.5; |
| units=1; |
| if (image->units == PixelsPerCentimeterResolution) |
| { |
| x_resolution=2.54*65536.0*image->x_resolution*0.5; |
| y_resolution=2.54*65536.0*image->y_resolution+0.5; |
| units=2; |
| } |
| (void) WriteBlob(image,4,(const unsigned char *) "8BIM"); |
| (void) WriteBlobMSBShort(image,0x03ED); |
| (void) WriteBlobMSBShort(image,0); |
| (void) WriteBlobMSBLong(image,16); /* resource size */ |
| (void) WriteBlobMSBLong(image,(unsigned int) (x_resolution+0.5)); |
| (void) WriteBlobMSBShort(image,units); /* horizontal resolution unit */ |
| (void) WriteBlobMSBShort(image,units); /* width unit */ |
| (void) WriteBlobMSBLong(image,(unsigned int) (y_resolution+0.5)); |
| (void) WriteBlobMSBShort(image,units); /* vertical resolution unit */ |
| (void) WriteBlobMSBShort(image,units); /* height unit */ |
| } |
| |
| static void RemoveICCProfileFromResourceBlock(StringInfo *bim_profile) |
| { |
| register const unsigned char |
| *p; |
| |
| size_t |
| length; |
| |
| unsigned char |
| *datum; |
| |
| unsigned int |
| count, |
| long_sans; |
| |
| unsigned short |
| id, |
| short_sans; |
| |
| length=GetStringInfoLength(bim_profile); |
| if (length < 16) |
| return; |
| datum=GetStringInfoDatum(bim_profile); |
| for (p=datum; (p >= datum) && (p < (datum+length-16)); ) |
| { |
| register unsigned char |
| *q; |
| |
| q=(unsigned char *) p; |
| if (LocaleNCompare((const char *) p,"8BIM",4) != 0) |
| break; |
| p=PushLongPixel(MSBEndian,p,&long_sans); |
| p=PushShortPixel(MSBEndian,p,&id); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushLongPixel(MSBEndian,p,&count); |
| if (id == 0x0000040f) |
| { |
| (void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length- |
| (PSDQuantum(count)+12)-(q-datum)); |
| SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12)); |
| break; |
| } |
| p+=count; |
| if ((count & 0x01) != 0) |
| p++; |
| } |
| } |
| |
| static void RemoveResolutionFromResourceBlock(StringInfo *bim_profile) |
| { |
| register const unsigned char |
| *p; |
| |
| size_t |
| length; |
| |
| unsigned char |
| *datum; |
| |
| unsigned int |
| count, |
| long_sans; |
| |
| unsigned short |
| id, |
| short_sans; |
| |
| length=GetStringInfoLength(bim_profile); |
| if (length < 16) |
| return; |
| datum=GetStringInfoDatum(bim_profile); |
| for (p=datum; (p >= datum) && (p < (datum+length-16)); ) |
| { |
| register unsigned char |
| *q; |
| |
| q=(unsigned char *) p; |
| if (LocaleNCompare((const char *) p,"8BIM",4) != 0) |
| break; |
| p=PushLongPixel(MSBEndian,p,&long_sans); |
| p=PushShortPixel(MSBEndian,p,&id); |
| p=PushShortPixel(MSBEndian,p,&short_sans); |
| p=PushLongPixel(MSBEndian,p,&count); |
| if (id == 0x000003ed) |
| { |
| (void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length- |
| (PSDQuantum(count)+12)-(q-datum)); |
| SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12)); |
| break; |
| } |
| p+=count; |
| if ((count & 0x01) != 0) |
| p++; |
| } |
| } |
| |
| static MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image) |
| { |
| const char |
| *property; |
| |
| const StringInfo |
| *icc_profile; |
| |
| Image |
| *base_image, |
| *next_image; |
| |
| MagickBooleanType |
| status; |
| |
| PSDInfo |
| psd_info; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| channel_size, |
| channelLength, |
| layer_count, |
| layer_info_size, |
| length, |
| num_channels, |
| packet_size, |
| rounded_layer_info_size; |
| |
| StringInfo |
| *bim_profile; |
| |
| unsigned char |
| layer_name[4]; |
| |
| /* |
| Open image file. |
| */ |
| assert(image_info != (const ImageInfo *) NULL); |
| assert(image_info->signature == MagickSignature); |
| assert(image != (Image *) NULL); |
| assert(image->signature == MagickSignature); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); |
| if (status == MagickFalse) |
| return(status); |
| packet_size=(size_t) (image->depth > 8 ? 6 : 3); |
| if (image->matte != MagickFalse) |
| packet_size+=image->depth > 8 ? 2 : 1; |
| psd_info.version=1; |
| if ((LocaleCompare(image_info->magick,"PSB") == 0) || |
| (image->columns > 30000) || (image->rows > 30000)) |
| psd_info.version=2; |
| (void) WriteBlob(image,4,(const unsigned char *) "8BPS"); |
| (void) WriteBlobMSBShort(image,psd_info.version); /* version */ |
| for (i=1; i <= 6; i++) |
| (void) WriteBlobByte(image, 0); /* 6 bytes of reserved */ |
| if (IsGrayImage(image,&image->exception) != MagickFalse) |
| num_channels=(image->matte != MagickFalse ? 2UL : 1UL); |
| else |
| if (image->storage_class == PseudoClass) |
| num_channels=(image->matte != MagickFalse ? 2UL : 1UL); |
| else |
| { |
| if (image->colorspace != CMYKColorspace) |
| num_channels=(image->matte != MagickFalse ? 4UL : 3UL); |
| else |
| num_channels=(image->matte != MagickFalse ? 5UL : 4UL); |
| } |
| (void) WriteBlobMSBShort(image,(unsigned short) num_channels); |
| (void) WriteBlobMSBLong(image,(unsigned int) image->rows); |
| (void) WriteBlobMSBLong(image,(unsigned int) image->columns); |
| if (IsGrayImage(image,&image->exception) != MagickFalse) |
| { |
| MagickBooleanType |
| monochrome; |
| |
| /* |
| Write depth & mode. |
| */ |
| monochrome=IsMonochromeImage(image,&image->exception) && |
| (image->depth == 1) ? MagickTrue : MagickFalse; |
| (void) WriteBlobMSBShort(image,(unsigned short) |
| (monochrome != MagickFalse ? 1 : image->depth > 8 ? 16 : 8)); |
| (void) WriteBlobMSBShort(image,monochrome != MagickFalse ? BitmapMode : |
| GrayscaleMode); |
| } |
| else |
| { |
| (void) WriteBlobMSBShort(image,(unsigned short) (image->storage_class == |
| PseudoClass ? 8 : image->depth > 8 ? 16 : 8)); |
| if (((image_info->colorspace != UndefinedColorspace) || |
| (image->colorspace != CMYKColorspace)) && |
| (image_info->colorspace != CMYKColorspace)) |
| { |
| if (image->colorspace != RGBColorspace) |
| (void) TransformImageColorspace(image,RGBColorspace); |
| (void) WriteBlobMSBShort(image,(unsigned short) |
| (image->storage_class == PseudoClass ? IndexedMode : RGBMode)); |
| } |
| else |
| { |
| if (image->colorspace != CMYKColorspace) |
| (void) TransformImageColorspace(image,CMYKColorspace); |
| (void) WriteBlobMSBShort(image,CMYKMode); |
| } |
| } |
| if ((IsGrayImage(image,&image->exception) != MagickFalse) || |
| (image->storage_class == DirectClass) || (image->colors > 256)) |
| (void) WriteBlobMSBLong(image,0); |
| else |
| { |
| /* |
| Write PSD raster colormap. |
| */ |
| (void) WriteBlobMSBLong(image,768); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].red)); |
| for ( ; i < 256; i++) |
| (void) WriteBlobByte(image,0); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| (void) WriteBlobByte(image,ScaleQuantumToChar( |
| image->colormap[i].green)); |
| for ( ; i < 256; i++) |
| (void) WriteBlobByte(image,0); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].blue)); |
| for ( ; i < 256; i++) |
| (void) WriteBlobByte(image,0); |
| } |
| /* |
| Image resource block. |
| */ |
| length=28; /* 0x03EB */ |
| bim_profile=(StringInfo *) GetImageProfile(image,"8bim"); |
| icc_profile=GetImageProfile(image,"icc"); |
| if (bim_profile != (StringInfo *) NULL) |
| { |
| bim_profile=CloneStringInfo(bim_profile); |
| if (icc_profile != (StringInfo *) NULL) |
| RemoveICCProfileFromResourceBlock(bim_profile); |
| RemoveResolutionFromResourceBlock(bim_profile); |
| length+=PSDQuantum(GetStringInfoLength(bim_profile)); |
| } |
| if (icc_profile != (const StringInfo *) NULL) |
| length+=PSDQuantum(GetStringInfoLength(icc_profile))+12; |
| (void) WriteBlobMSBLong(image,(unsigned int) length); |
| WriteResolutionResourceBlock(image); |
| if (bim_profile != (StringInfo *) NULL) |
| { |
| (void) WriteBlob(image,GetStringInfoLength(bim_profile), |
| GetStringInfoDatum(bim_profile)); |
| bim_profile=DestroyStringInfo(bim_profile); |
| } |
| if (icc_profile != (StringInfo *) NULL) |
| { |
| (void) WriteBlob(image,4,(const unsigned char *) "8BIM"); |
| (void) WriteBlobMSBShort(image,0x0000040F); |
| (void) WriteBlobMSBShort(image,0); |
| (void) WriteBlobMSBLong(image,(unsigned int) GetStringInfoLength( |
| icc_profile)); |
| (void) WriteBlob(image,GetStringInfoLength(icc_profile), |
| GetStringInfoDatum(icc_profile)); |
| if ((MagickOffsetType) GetStringInfoLength(icc_profile) != |
| PSDQuantum(GetStringInfoLength(icc_profile))) |
| (void) WriteBlobByte(image,0); |
| } |
| layer_count=0; |
| layer_info_size=2; |
| base_image=GetNextImageInList(image); |
| if ((image->matte != MagickFalse) && (base_image == (Image *) NULL)) |
| base_image=image; |
| next_image=base_image; |
| while ( next_image != NULL ) |
| { |
| packet_size=next_image->depth > 8 ? 2UL : 1UL; |
| if (IsGrayImage(next_image,&image->exception) != MagickFalse) |
| num_channels=next_image->matte != MagickFalse ? 2UL : 1UL; |
| else |
| if (next_image->storage_class == PseudoClass) |
| num_channels=next_image->matte != MagickFalse ? 2UL : 1UL; |
| else |
| if (next_image->colorspace != CMYKColorspace) |
| num_channels=next_image->matte != MagickFalse ? 4UL : 3UL; |
| else |
| num_channels=next_image->matte != MagickFalse ? 5UL : 4UL; |
| channelLength=(size_t) (next_image->columns*next_image->rows*packet_size+2); |
| layer_info_size+=(size_t) (4*4+2+num_channels*6+(psd_info.version == 1 ? 8 : |
| 16)+4*1+4+num_channels*channelLength); |
| property=(const char *) GetImageProperty(next_image,"label"); |
| if (property == (const char *) NULL) |
| layer_info_size+=16; |
| else |
| { |
| size_t |
| length; |
| |
| length=strlen(property); |
| layer_info_size+=8+length+(4-(length % 4)); |
| } |
| layer_count++; |
| next_image=GetNextImageInList(next_image); |
| } |
| if (layer_count == 0) |
| (void) SetPSDSize(&psd_info,image,0); |
| else |
| { |
| CompressionType |
| compression; |
| |
| (void) SetPSDSize(&psd_info,image,layer_info_size+ |
| (psd_info.version == 1 ? 8 : 16)); |
| if ((layer_info_size/2) != ((layer_info_size+1)/2)) |
| rounded_layer_info_size=layer_info_size+1; |
| else |
| rounded_layer_info_size=layer_info_size; |
| (void) SetPSDSize(&psd_info,image,rounded_layer_info_size); |
| (void) WriteBlobMSBShort(image,(unsigned short) layer_count); |
| layer_count=1; |
| compression=base_image->compression; |
| next_image=base_image; |
| while (next_image != NULL) |
| { |
| next_image->compression=NoCompression; |
| (void) WriteBlobMSBLong(image,0); |
| (void) WriteBlobMSBLong(image,0); |
| (void) WriteBlobMSBLong(image,(unsigned int) next_image->rows); |
| (void) WriteBlobMSBLong(image,(unsigned int) next_image->columns); |
| packet_size=next_image->depth > 8 ? 2UL : 1UL; |
| channel_size=(unsigned int) ((packet_size*next_image->rows* |
| next_image->columns)+2); |
| if ((IsGrayImage(next_image,&image->exception) != MagickFalse) || |
| (next_image->storage_class == PseudoClass)) |
| { |
| (void) WriteBlobMSBShort(image,(unsigned short) |
| (next_image->matte != MagickFalse ? 2 : 1)); |
| (void) WriteBlobMSBShort(image,0); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| if (next_image->matte != MagickFalse) |
| { |
| (void) WriteBlobMSBShort(image,(unsigned short) -1); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| } |
| } |
| else |
| if (next_image->colorspace != CMYKColorspace) |
| { |
| (void) WriteBlobMSBShort(image,(unsigned short) |
| (next_image->matte != MagickFalse ? 4 : 3)); |
| (void) WriteBlobMSBShort(image,0); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| (void) WriteBlobMSBShort(image,1); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| (void) WriteBlobMSBShort(image,2); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| if (next_image->matte!= MagickFalse ) |
| { |
| (void) WriteBlobMSBShort(image,(unsigned short) -1); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| } |
| } |
| else |
| { |
| (void) WriteBlobMSBShort(image,(unsigned short) |
| (next_image->matte ? 5 : 4)); |
| (void) WriteBlobMSBShort(image,0); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| (void) WriteBlobMSBShort(image,1); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| (void) WriteBlobMSBShort(image,2); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| (void) WriteBlobMSBShort(image,3); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| if (next_image->matte) |
| { |
| (void) WriteBlobMSBShort(image,(unsigned short) -1); |
| (void) SetPSDSize(&psd_info,image,channel_size); |
| } |
| } |
| (void) WriteBlob(image,4,(const unsigned char *) "8BIM"); |
| (void) WriteBlob(image,4,(const unsigned char *) |
| CompositeOperatorToPSDBlendMode(next_image->compose)); |
| (void) WriteBlobByte(image,255); /* layer opacity */ |
| (void) WriteBlobByte(image,0); |
| (void) WriteBlobByte(image,1); /* layer propertys - visible, etc. */ |
| (void) WriteBlobByte(image,0); |
| property=(const char *) GetImageProperty(next_image,"label"); |
| if (property == (const char *) NULL) |
| { |
| (void) WriteBlobMSBLong(image,16); |
| (void) WriteBlobMSBLong(image,0); |
| (void) WriteBlobMSBLong(image,0); |
| (void) FormatMagickString((char *) layer_name,MaxTextExtent, |
| "L%06ld",(long) layer_count++); |
| WritePascalString( image, (char*)layer_name, 4 ); |
| } |
| else |
| { |
| size_t |
| length; |
| |
| length=strlen(property); |
| (void) WriteBlobMSBLong(image,(unsigned int) (length+(4- |
| (length % 4))+8)); |
| (void) WriteBlobMSBLong(image,0); |
| (void) WriteBlobMSBLong(image,0); |
| WritePascalString(image,property,4); |
| } |
| next_image=GetNextImageInList(next_image); |
| } |
| /* |
| Now the image data! |
| */ |
| next_image=base_image; |
| while (next_image != NULL) |
| { |
| status=WriteImageChannels(&psd_info,image_info,image,next_image, |
| MagickTrue); |
| next_image=GetNextImageInList(next_image); |
| } |
| (void) WriteBlobMSBLong(image,0); /* user mask data */ |
| base_image->compression=compression; |
| } |
| /* |
| Write composite image. |
| */ |
| status=WriteImageChannels(&psd_info,image_info,image,image,MagickFalse); |
| (void) CloseBlob(image); |
| return(status); |
| } |