| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % PPPP SSSSS 33333 % |
| % P P SS 33 % |
| % PPPP SSS 333 % |
| % P SS 33 % |
| % P SSSSS 33333 % |
| % % |
| % % |
| % Write Postscript Level III Format % |
| % % |
| % Software Design % |
| % Cristy % |
| % Lars Ruben Skyum % |
| % July 1992 % |
| % % |
| % % |
| % Copyright 1999-2020 ImageMagick Studio LLC, a non-profit organization % |
| % dedicated to making software imaging solutions freely available. % |
| % % |
| % You may not use this file except in compliance with the License. You may % |
| % obtain a copy of the License at % |
| % % |
| % https://imagemagick.org/script/license.php % |
| % % |
| % Unless required by applicable law or agreed to in writing, software % |
| % distributed under the License is distributed on an "AS IS" BASIS, % |
| % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| % See the License for the specific language governing permissions and % |
| % limitations under the License. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % |
| */ |
| |
| /* |
| 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/color.h" |
| #include "MagickCore/color-private.h" |
| #include "MagickCore/compress.h" |
| #include "MagickCore/constitute.h" |
| #include "MagickCore/draw.h" |
| #include "MagickCore/exception.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/geometry.h" |
| #include "MagickCore/image.h" |
| #include "MagickCore/image-private.h" |
| #include "MagickCore/list.h" |
| #include "MagickCore/magick.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/module.h" |
| #include "MagickCore/monitor.h" |
| #include "MagickCore/monitor-private.h" |
| #include "MagickCore/option.h" |
| #include "MagickCore/pixel-accessor.h" |
| #include "MagickCore/property.h" |
| #include "MagickCore/quantum-private.h" |
| #include "MagickCore/resource_.h" |
| #include "MagickCore/static.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/module.h" |
| #include "MagickCore/timer-private.h" |
| #include "MagickCore/token.h" |
| #include "MagickCore/utility.h" |
| |
| /* |
| Define declarations. |
| */ |
| #define PS3_NoCompression "0" |
| #define PS3_FaxCompression "1" |
| #define PS3_JPEGCompression "2" |
| #define PS3_LZWCompression "3" |
| #define PS3_RLECompression "4" |
| #define PS3_ZipCompression "5" |
| |
| #define PS3_RGBColorspace "0" |
| #define PS3_CMYKColorspace "1" |
| |
| #define PS3_DirectClass "0" |
| #define PS3_PseudoClass "1" |
| |
| #if defined(MAGICKCORE_TIFF_DELEGATE) |
| #define CCITTParam "-1" |
| #else |
| #define CCITTParam "0" |
| #endif |
| |
| /* |
| Forward declarations. |
| */ |
| static MagickBooleanType |
| WritePS3Image(const ImageInfo *,Image *,ExceptionInfo *); |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r P S 3 I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterPS3Image() adds properties for the PS3 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 RegisterPS3Image method is: |
| % |
| % size_t RegisterPS3Image(void) |
| % |
| */ |
| ModuleExport size_t RegisterPS3Image(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=AcquireMagickInfo("PS3","EPS3","Level III Encapsulated PostScript"); |
| entry->encoder=(EncodeImageHandler *) WritePS3Image; |
| entry->mime_type=ConstantString("application/postscript"); |
| entry->flags|=CoderEncoderSeekableStreamFlag; |
| entry->flags^=CoderBlobSupportFlag; |
| (void) RegisterMagickInfo(entry); |
| entry=AcquireMagickInfo("PS3","PS3","Level III PostScript"); |
| entry->encoder=(EncodeImageHandler *) WritePS3Image; |
| entry->mime_type=ConstantString("application/postscript"); |
| entry->flags|=CoderEncoderSeekableStreamFlag; |
| entry->flags^=CoderBlobSupportFlag; |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r P S 3 I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterPS3Image() removes format registrations made by the PS3 module |
| % from the list of supported formats. |
| % |
| % The format of the UnregisterPS3Image method is: |
| % |
| % UnregisterPS3Image(void) |
| % |
| */ |
| ModuleExport void UnregisterPS3Image(void) |
| { |
| (void) UnregisterMagickInfo("EPS3"); |
| (void) UnregisterMagickInfo("PS3"); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % W r i t e P S 3 I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % WritePS3Image() translates an image to encapsulated Postscript Level III |
| % for printing. If the supplied geometry is null, the image is centered on |
| % the Postscript page. Otherwise, the image is positioned as specified by the |
| % geometry. |
| % |
| % The format of the WritePS3Image method is: |
| % |
| % MagickBooleanType WritePS3Image(const ImageInfo *image_info, |
| % Image *image,ExceptionInfo *exception) |
| % |
| % A description of each parameter follows: |
| % |
| % o image_info: Specifies a pointer to a ImageInfo structure. |
| % |
| % o image: the image. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| |
| static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info, |
| Image *image,Image *inject_image,ExceptionInfo *exception) |
| { |
| Image |
| *group4_image; |
| |
| ImageInfo |
| *write_info; |
| |
| MagickBooleanType |
| status; |
| |
| size_t |
| length; |
| |
| unsigned char |
| *group4; |
| |
| group4_image=CloneImage(inject_image,0,0,MagickTrue,exception); |
| if (group4_image == (Image *) NULL) |
| return(MagickFalse); |
| status=MagickTrue; |
| write_info=CloneImageInfo(image_info); |
| (void) CopyMagickString(write_info->filename,"GROUP4:",MagickPathExtent); |
| (void) CopyMagickString(write_info->magick,"GROUP4",MagickPathExtent); |
| group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length, |
| exception); |
| group4_image=DestroyImage(group4_image); |
| write_info=DestroyImageInfo(write_info); |
| if (group4 == (unsigned char *) NULL) |
| return(MagickFalse); |
| if (WriteBlob(image,length,group4) != (ssize_t) length) |
| status=MagickFalse; |
| group4=(unsigned char *) RelinquishMagickMemory(group4); |
| return(status); |
| } |
| |
| static MagickBooleanType SerializeImage(const ImageInfo *image_info, |
| Image *image,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception) |
| { |
| MagickBooleanType |
| status; |
| |
| register const Quantum |
| *p; |
| |
| register ssize_t |
| x; |
| |
| register unsigned char |
| *q; |
| |
| ssize_t |
| y; |
| |
| assert(image != (Image *) NULL); |
| assert(image->signature == MagickCoreSignature); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| status=MagickTrue; |
| *length=(image->colorspace == CMYKColorspace ? 4 : 3)*(size_t) |
| image->columns*image->rows; |
| *pixel_info=AcquireVirtualMemory(*length,sizeof(*q)); |
| if (*pixel_info == (MemoryInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
| if (p == (const Quantum *) NULL) |
| break; |
| if (image->colorspace != CMYKColorspace) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| *q++=ScaleQuantumToChar(GetPixelRed(image,p)); |
| *q++=ScaleQuantumToChar(GetPixelGreen(image,p)); |
| *q++=ScaleQuantumToChar(GetPixelBlue(image,p)); |
| p+=GetPixelChannels(image); |
| } |
| else |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| *q++=ScaleQuantumToChar(GetPixelRed(image,p)); |
| *q++=ScaleQuantumToChar(GetPixelGreen(image,p)); |
| *q++=ScaleQuantumToChar(GetPixelBlue(image,p)); |
| *q++=ScaleQuantumToChar(GetPixelBlack(image,p)); |
| p+=GetPixelChannels(image); |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (status == MagickFalse) |
| *pixel_info=RelinquishVirtualMemory(*pixel_info); |
| return(status); |
| } |
| |
| static MagickBooleanType SerializeImageChannel(const ImageInfo *image_info, |
| Image *image,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception) |
| { |
| MagickBooleanType |
| status; |
| |
| register const Quantum |
| *p; |
| |
| register ssize_t |
| x; |
| |
| register unsigned char |
| *q; |
| |
| size_t |
| pack, |
| padded_columns; |
| |
| ssize_t |
| y; |
| |
| unsigned char |
| code, |
| bit; |
| |
| assert(image != (Image *) NULL); |
| assert(image->signature == MagickCoreSignature); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| status=MagickTrue; |
| pack=SetImageMonochrome(image,exception) == MagickFalse ? 1UL : 8UL; |
| padded_columns=((image->columns+pack-1)/pack)*pack; |
| *length=(size_t) padded_columns*image->rows/pack; |
| *pixel_info=AcquireVirtualMemory(*length,sizeof(*q)); |
| if (*pixel_info == (MemoryInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
| if (p == (const Quantum *) NULL) |
| break; |
| if (pack == 1) |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| *q++=ScaleQuantumToChar(ClampToQuantum(GetPixelLuma(image,p))); |
| p+=GetPixelChannels(image); |
| } |
| else |
| { |
| code='\0'; |
| for (x=0; x < (ssize_t) padded_columns; x++) |
| { |
| bit=(unsigned char) 0x00; |
| if (x < (ssize_t) image->columns) |
| bit=(unsigned char) (GetPixelLuma(image,p) == TransparentAlpha ? |
| 0x01 : 0x00); |
| code=(code << 1)+bit; |
| if (((x+1) % pack) == 0) |
| { |
| *q++=code; |
| code='\0'; |
| } |
| p+=GetPixelChannels(image); |
| } |
| } |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| if (status == MagickFalse) |
| *pixel_info=RelinquishVirtualMemory(*pixel_info); |
| return(status); |
| } |
| |
| static MagickBooleanType SerializeImageIndexes(const ImageInfo *image_info, |
| Image *image,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception) |
| { |
| MagickBooleanType |
| status; |
| |
| register const Quantum |
| *p; |
| |
| register ssize_t |
| x; |
| |
| register unsigned char |
| *q; |
| |
| ssize_t |
| y; |
| |
| assert(image != (Image *) NULL); |
| assert(image->signature == MagickCoreSignature); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| status=MagickTrue; |
| *length=(size_t) image->columns*image->rows; |
| *pixel_info=AcquireVirtualMemory(*length,sizeof(*q)); |
| if (*pixel_info == (MemoryInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
| if (p == (const Quantum *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| *q++=(unsigned char) GetPixelIndex(image,p); |
| p+=GetPixelChannels(image); |
| } |
| if (image->previous == (Image *) NULL) |
| { |
| status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| image->rows); |
| if (status == MagickFalse) |
| break; |
| } |
| } |
| if (status == MagickFalse) |
| *pixel_info=RelinquishVirtualMemory(*pixel_info); |
| return(status); |
| } |
| |
| static MagickBooleanType WritePS3MaskImage(const ImageInfo *image_info, |
| Image *image,const CompressionType compression,ExceptionInfo *exception) |
| { |
| char |
| buffer[MagickPathExtent]; |
| |
| Image |
| *mask_image; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| offset, |
| start, |
| stop; |
| |
| MemoryInfo |
| *pixel_info; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| length; |
| |
| unsigned char |
| *pixels; |
| |
| assert(image_info != (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(image->alpha_trait != UndefinedPixelTrait); |
| status=MagickTrue; |
| /* |
| Note BeginData DSC comment for update later. |
| */ |
| start=TellBlob(image); |
| if (start < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%BeginData:%13ld %s Bytes\n",0L,compression == NoCompression ? |
| "ASCII" : "BINARY"); |
| (void) WriteBlobString(image,buffer); |
| stop=TellBlob(image); |
| if (stop < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| /* |
| Only lossless compressions for the mask. |
| */ |
| switch (compression) |
| { |
| case NoCompression: |
| default: |
| { |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "currentfile %.20g %.20g " PS3_NoCompression |
| " ByteStreamDecodeFilter\n",(double) image->columns,(double) |
| image->rows); |
| break; |
| } |
| case FaxCompression: |
| case Group4Compression: |
| { |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "currentfile %.20g %.20g " PS3_FaxCompression |
| " ByteStreamDecodeFilter\n",(double) image->columns,(double) |
| image->rows); |
| break; |
| } |
| case LZWCompression: |
| { |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "currentfile %.20g %.20g " PS3_LZWCompression |
| " ByteStreamDecodeFilter\n",(double) image->columns,(double) |
| image->rows); |
| break; |
| } |
| case RLECompression: |
| { |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "currentfile %.20g %.20g " PS3_RLECompression |
| " ByteStreamDecodeFilter\n",(double) image->columns,(double) |
| image->rows); |
| break; |
| } |
| case ZipCompression: |
| { |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "currentfile %.20g %.20g " PS3_ZipCompression |
| " ByteStreamDecodeFilter\n",(double) image->columns,(double) |
| image->rows); |
| break; |
| } |
| } |
| (void) WriteBlobString(image,buffer); |
| (void) WriteBlobString(image,"/ReusableStreamDecode filter\n"); |
| mask_image=SeparateImage(image,AlphaChannel,exception); |
| if (mask_image == (Image *) NULL) |
| ThrowWriterException(CoderError,exception->reason); |
| (void) SetImageType(mask_image,BilevelType,exception); |
| (void) SetImageType(mask_image,PaletteType,exception); |
| mask_image->alpha_trait=UndefinedPixelTrait; |
| pixels=(unsigned char *) NULL; |
| length=0; |
| switch (compression) |
| { |
| case NoCompression: |
| default: |
| { |
| status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length, |
| exception); |
| if (status == MagickFalse) |
| break; |
| Ascii85Initialize(image); |
| pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); |
| for (i=0; i < (ssize_t) length; i++) |
| Ascii85Encode(image,pixels[i]); |
| Ascii85Flush(image); |
| pixel_info=RelinquishVirtualMemory(pixel_info); |
| break; |
| } |
| case FaxCompression: |
| case Group4Compression: |
| { |
| if ((compression == FaxCompression) || |
| (LocaleCompare(CCITTParam,"0") == 0)) |
| status=HuffmanEncodeImage(image_info,image,mask_image,exception); |
| else |
| status=Huffman2DEncodeImage(image_info,image,mask_image,exception); |
| break; |
| } |
| case LZWCompression: |
| { |
| status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length, |
| exception); |
| if (status == MagickFalse) |
| break; |
| pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); |
| status=LZWEncodeImage(image,length,pixels,exception); |
| pixel_info=RelinquishVirtualMemory(pixel_info); |
| break; |
| } |
| case RLECompression: |
| { |
| status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length, |
| exception); |
| if (status == MagickFalse) |
| break; |
| pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); |
| status=PackbitsEncodeImage(image,length,pixels,exception); |
| pixel_info=RelinquishVirtualMemory(pixel_info); |
| break; |
| } |
| case ZipCompression: |
| { |
| status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length, |
| exception); |
| if (status == MagickFalse) |
| break; |
| pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); |
| status=ZLIBEncodeImage(image,length,pixels,exception); |
| pixel_info=RelinquishVirtualMemory(pixel_info); |
| break; |
| } |
| } |
| mask_image=DestroyImage(mask_image); |
| (void) WriteBlobByte(image,'\n'); |
| length=(size_t) (TellBlob(image)-stop); |
| stop=TellBlob(image); |
| if (stop < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| offset=SeekBlob(image,start,SEEK_SET); |
| if (offset < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%BeginData:%13ld %s Bytes\n",(long) length, |
| compression == NoCompression ? "ASCII" : "BINARY"); |
| (void) WriteBlobString(image,buffer); |
| offset=SeekBlob(image,stop,SEEK_SET); |
| if (offset < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| (void) WriteBlobString(image,"%%EndData\n"); |
| (void) WriteBlobString(image, "/mask_stream exch def\n"); |
| return(status); |
| } |
| |
| static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image, |
| ExceptionInfo *exception) |
| { |
| static const char |
| PostscriptProlog[] = |
| "/ByteStreamDecodeFilter\n" |
| "{\n" |
| " /z exch def\n" |
| " /r exch def\n" |
| " /c exch def\n" |
| " z " PS3_NoCompression " eq { /ASCII85Decode filter } if\n" |
| " z " PS3_FaxCompression " eq\n" |
| " {\n" |
| " <<\n" |
| " /K " CCITTParam "\n" |
| " /Columns c\n" |
| " /Rows r\n" |
| " >>\n" |
| " /CCITTFaxDecode filter\n" |
| " } if\n" |
| " z " PS3_JPEGCompression " eq { /DCTDecode filter } if\n" |
| " z " PS3_LZWCompression " eq { /LZWDecode filter } if\n" |
| " z " PS3_RLECompression " eq { /RunLengthDecode filter } if\n" |
| " z " PS3_ZipCompression " eq { /FlateDecode filter } if\n" |
| "} bind def\n" |
| "\n" |
| "/DirectClassImageDict\n" |
| "{\n" |
| " colorspace " PS3_RGBColorspace " eq\n" |
| " {\n" |
| " /DeviceRGB setcolorspace\n" |
| " <<\n" |
| " /ImageType 1\n" |
| " /Width columns\n" |
| " /Height rows\n" |
| " /BitsPerComponent 8\n" |
| " /DataSource pixel_stream\n" |
| " /MultipleDataSources false\n" |
| " /ImageMatrix [columns 0 0 rows neg 0 rows]\n" |
| " /Decode [0 1 0 1 0 1]\n" |
| " >>\n" |
| " }\n" |
| " {\n" |
| " /DeviceCMYK setcolorspace\n" |
| " <<\n" |
| " /ImageType 1\n" |
| " /Width columns\n" |
| " /Height rows\n" |
| " /BitsPerComponent 8\n" |
| " /DataSource pixel_stream\n" |
| " /MultipleDataSources false\n" |
| " /ImageMatrix [columns 0 0 rows neg 0 rows]\n" |
| " /Decode\n" |
| " compression " PS3_JPEGCompression " eq\n" |
| " { [1 0 1 0 1 0 1 0] }\n" |
| " { [0 1 0 1 0 1 0 1] }\n" |
| " ifelse\n" |
| " >>\n" |
| " }\n" |
| " ifelse\n" |
| "} bind def\n" |
| "\n" |
| "/PseudoClassImageDict\n" |
| "{\n" |
| " % Colors in colormap image.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /colors exch def pop\n" |
| " colors 0 eq\n" |
| " {\n" |
| " % Depth of grayscale image.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /bits exch def pop\n" |
| " /DeviceGray setcolorspace\n" |
| " <<\n" |
| " /ImageType 1\n" |
| " /Width columns\n" |
| " /Height rows\n" |
| " /BitsPerComponent bits\n" |
| " /Decode [0 1]\n" |
| " /ImageMatrix [columns 0 0 rows neg 0 rows]\n" |
| " /DataSource pixel_stream\n" |
| " >>\n" |
| " }\n" |
| " {\n" |
| " % RGB colormap.\n" |
| " /colormap colors 3 mul string def\n" |
| " compression " PS3_NoCompression " eq\n" |
| " { currentfile /ASCII85Decode filter colormap readstring pop pop }\n" |
| " { currentfile colormap readstring pop pop }\n" |
| " ifelse\n" |
| " [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace\n" |
| " <<\n" |
| " /ImageType 1\n" |
| " /Width columns\n" |
| " /Height rows\n" |
| " /BitsPerComponent 8\n" |
| " /Decode [0 255]\n" |
| " /ImageMatrix [columns 0 0 rows neg 0 rows]\n" |
| " /DataSource pixel_stream\n" |
| " >>\n" |
| " }\n" |
| " ifelse\n" |
| "} bind def\n" |
| "\n" |
| "/NonMaskedImageDict\n" |
| "{\n" |
| " class " PS3_PseudoClass " eq\n" |
| " { PseudoClassImageDict }\n" |
| " { DirectClassImageDict }\n" |
| " ifelse\n" |
| "} bind def\n" |
| "\n" |
| "/MaskedImageDict\n" |
| "{\n" |
| " <<\n" |
| " /ImageType 3\n" |
| " /InterleaveType 3\n" |
| " /DataDict NonMaskedImageDict\n" |
| " /MaskDict\n" |
| " <<\n" |
| " /ImageType 1\n" |
| " /Width columns\n" |
| " /Height rows\n" |
| " /BitsPerComponent 1\n" |
| " /DataSource mask_stream\n" |
| " /MultipleDataSources false\n" |
| " /ImageMatrix [ columns 0 0 rows neg 0 rows]\n" |
| " /Decode [ 0 1 ]\n" |
| " >>\n" |
| " >>\n" |
| "} bind def\n" |
| "\n" |
| "/ClipImage\n" |
| "{} def\n" |
| "\n" |
| "/DisplayImage\n" |
| "{\n" |
| " gsave\n" |
| " /buffer 512 string def\n" |
| " % Translation.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /x exch def\n" |
| " token pop /y exch def pop\n" |
| " x y translate\n" |
| " % Image size and font size.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /x exch def\n" |
| " token pop /y exch def pop\n" |
| " currentfile buffer readline pop\n" |
| " token pop /pointsize exch def pop\n"; |
| static const char |
| PostscriptEpilog[] = |
| " x y scale\n" |
| " % Clipping path.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /clipped exch def pop\n" |
| " % Showpage.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /sp exch def pop\n" |
| " % Image pixel size.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /columns exch def\n" |
| " token pop /rows exch def pop\n" |
| " % Colorspace (RGB/CMYK).\n" |
| " currentfile buffer readline pop\n" |
| " token pop /colorspace exch def pop\n" |
| " % Transparency.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /alpha exch def pop\n" |
| " % Stencil mask?\n" |
| " currentfile buffer readline pop\n" |
| " token pop /stencil exch def pop\n" |
| " % Image class (direct/pseudo).\n" |
| " currentfile buffer readline pop\n" |
| " token pop /class exch def pop\n" |
| " % Compression type.\n" |
| " currentfile buffer readline pop\n" |
| " token pop /compression exch def pop\n" |
| " % Clip and render.\n" |
| " /pixel_stream currentfile columns rows compression ByteStreamDecodeFilter def\n" |
| " clipped { ClipImage } if\n" |
| " alpha stencil not and\n" |
| " { MaskedImageDict mask_stream resetfile }\n" |
| " { NonMaskedImageDict }\n" |
| " ifelse\n" |
| " stencil { 0 setgray imagemask } { image } ifelse\n" |
| " grestore\n" |
| " sp { showpage } if\n" |
| "} bind def\n"; |
| |
| char |
| buffer[MagickPathExtent], |
| date[MagickPathExtent], |
| **labels, |
| page_geometry[MagickPathExtent]; |
| |
| CompressionType |
| compression; |
| |
| const char |
| *option, |
| *value; |
| |
| double |
| pointsize; |
| |
| GeometryInfo |
| geometry_info; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| offset, |
| scene, |
| start, |
| stop; |
| |
| MagickStatusType |
| flags; |
| |
| MemoryInfo |
| *pixel_info; |
| |
| PointInfo |
| delta, |
| resolution, |
| scale; |
| |
| RectangleInfo |
| geometry, |
| media_info, |
| page_info; |
| |
| register ssize_t |
| i; |
| |
| SegmentInfo |
| bounds; |
| |
| size_t |
| imageListLength, |
| length, |
| page, |
| pixel, |
| text_size; |
| |
| ssize_t |
| j; |
| |
| time_t |
| timer; |
| |
| unsigned char |
| *pixels; |
| |
| /* |
| Open output 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(MagickFalse); |
| compression=image->compression; |
| if (image_info->compression != UndefinedCompression) |
| compression=image_info->compression; |
| switch (compression) |
| { |
| case FaxCompression: |
| case Group4Compression: |
| { |
| if ((SetImageMonochrome(image,exception) == MagickFalse) || |
| (image->alpha_trait != UndefinedPixelTrait)) |
| compression=RLECompression; |
| break; |
| } |
| #if !defined(MAGICKCORE_JPEG_DELEGATE) |
| case JPEGCompression: |
| { |
| compression=RLECompression; |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)", |
| image->filename); |
| break; |
| } |
| #endif |
| #if !defined(MAGICKCORE_ZLIB_DELEGATE) |
| case ZipCompression: |
| { |
| compression=RLECompression; |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)", |
| image->filename); |
| break; |
| } |
| #endif |
| default: |
| break; |
| } |
| (void) memset(&bounds,0,sizeof(bounds)); |
| page=0; |
| scene=0; |
| imageListLength=GetImageListLength(image); |
| do |
| { |
| /* |
| Scale relative to dots-per-inch. |
| */ |
| delta.x=DefaultResolution; |
| delta.y=DefaultResolution; |
| resolution.x=image->resolution.x; |
| resolution.y=image->resolution.y; |
| if ((resolution.x == 0.0) || (resolution.y == 0.0)) |
| { |
| flags=ParseGeometry(PSDensityGeometry,&geometry_info); |
| resolution.x=geometry_info.rho; |
| resolution.y=geometry_info.sigma; |
| if ((flags & SigmaValue) == 0) |
| resolution.y=resolution.x; |
| } |
| if (image_info->density != (char *) NULL) |
| { |
| flags=ParseGeometry(image_info->density,&geometry_info); |
| resolution.x=geometry_info.rho; |
| resolution.y=geometry_info.sigma; |
| if ((flags & SigmaValue) == 0) |
| resolution.y=resolution.x; |
| } |
| if (image->units == PixelsPerCentimeterResolution) |
| { |
| resolution.x=(100.0*2.54*resolution.x+0.5)/100.0; |
| resolution.y=(100.0*2.54*resolution.y+0.5)/100.0; |
| } |
| SetGeometry(image,&geometry); |
| (void) FormatLocaleString(page_geometry,MagickPathExtent,"%.20gx%.20g", |
| (double) image->columns,(double) image->rows); |
| if (image_info->page != (char *) NULL) |
| (void) CopyMagickString(page_geometry,image_info->page,MagickPathExtent); |
| else |
| if ((image->page.width != 0) && (image->page.height != 0)) |
| (void) FormatLocaleString(page_geometry,MagickPathExtent, |
| "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double) |
| image->page.height,(double) image->page.x,(double) image->page.y); |
| else |
| if ((image->gravity != UndefinedGravity) && |
| (LocaleCompare(image_info->magick,"PS") == 0)) |
| (void) CopyMagickString(page_geometry,PSPageGeometry, |
| MagickPathExtent); |
| (void) ConcatenateMagickString(page_geometry,">",MagickPathExtent); |
| (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y, |
| &geometry.width,&geometry.height); |
| scale.x=PerceptibleReciprocal(resolution.x)*geometry.width*delta.x; |
| geometry.width=(size_t) floor(scale.x+0.5); |
| scale.y=PerceptibleReciprocal(resolution.y)*geometry.height*delta.y; |
| geometry.height=(size_t) floor(scale.y+0.5); |
| (void) ParseAbsoluteGeometry(page_geometry,&media_info); |
| (void) ParseGravityGeometry(image,page_geometry,&page_info,exception); |
| if (image->gravity != UndefinedGravity) |
| { |
| geometry.x=(-page_info.x); |
| geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows); |
| } |
| pointsize=12.0; |
| if (image_info->pointsize != 0.0) |
| pointsize=image_info->pointsize; |
| text_size=0; |
| value=GetImageProperty(image,"label",exception); |
| if (value != (const char *) NULL) |
| text_size=(size_t) (MultilineCensus(value)*pointsize+12); |
| page++; |
| if (page == 1) |
| { |
| /* |
| Postscript header on the first page. |
| */ |
| if (LocaleCompare(image_info->magick,"PS3") == 0) |
| (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MagickPathExtent); |
| else |
| (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n", |
| MagickPathExtent); |
| (void) WriteBlobString(image,buffer); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%Creator: ImageMagick %s\n",MagickLibVersionText); |
| (void) WriteBlobString(image,buffer); |
| (void) FormatLocaleString(buffer,MagickPathExtent,"%%%%Title: %s\n", |
| image->filename); |
| (void) WriteBlobString(image,buffer); |
| timer=GetMagickTime(); |
| (void) FormatMagickTime(timer,MagickPathExtent,date); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%CreationDate: %s\n",date); |
| (void) WriteBlobString(image,buffer); |
| bounds.x1=(double) geometry.x; |
| bounds.y1=(double) geometry.y; |
| bounds.x2=(double) geometry.x+scale.x; |
| bounds.y2=(double) geometry.y+scale.y+text_size; |
| if ((image_info->adjoin != MagickFalse) && |
| (GetNextImageInList(image) != (Image *) NULL)) |
| { |
| (void) WriteBlobString(image,"%%BoundingBox: (atend)\n"); |
| (void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n"); |
| } |
| else |
| { |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5), |
| ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5)); |
| (void) WriteBlobString(image,buffer); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1, |
| bounds.y1,bounds.x2,bounds.y2); |
| (void) WriteBlobString(image,buffer); |
| if (image->colorspace == CMYKColorspace) |
| (void) WriteBlobString(image, |
| "%%DocumentProcessColors: Cyan Magenta Yellow Black\n"); |
| else |
| if (SetImageGray(image,exception) != MagickFalse) |
| (void) WriteBlobString(image, |
| "%%DocumentProcessColors: Black\n"); |
| } |
| /* |
| Font resources |
| */ |
| value=GetImageProperty(image,"label",exception); |
| if (value != (const char *) NULL) |
| (void) WriteBlobString(image, |
| "%%DocumentNeededResources: font Helvetica\n"); |
| (void) WriteBlobString(image,"%%LanguageLevel: 3\n"); |
| /* |
| Pages, orientation and order. |
| */ |
| if (LocaleCompare(image_info->magick,"PS3") != 0) |
| (void) WriteBlobString(image,"%%Pages: 1\n"); |
| else |
| { |
| (void) WriteBlobString(image,"%%Orientation: Portrait\n"); |
| (void) WriteBlobString(image,"%%PageOrder: Ascend\n"); |
| if (image_info->adjoin == MagickFalse) |
| (void) CopyMagickString(buffer,"%%Pages: 1\n",MagickPathExtent); |
| else |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%Pages: %.20g\n",(double) imageListLength); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->colorspace == CMYKColorspace) |
| (void) WriteBlobString(image, |
| "%%DocumentProcessColors: Cyan Magenta Yellow Black\n"); |
| (void) WriteBlobString(image,"%%EndComments\n"); |
| /* |
| The static postscript procedures prolog. |
| */ |
| (void) WriteBlobString(image,"%%BeginProlog\n"); |
| (void) WriteBlob(image,sizeof(PostscriptProlog)-1,PostscriptProlog); |
| /* |
| One label line for each line in label string. |
| */ |
| value=GetImageProperty(image,"label",exception); |
| if (value != (const char *) NULL) |
| { |
| (void) WriteBlobString(image,"\n %% Labels.\n /Helvetica " |
| " findfont pointsize scalefont setfont\n"); |
| for (i=(ssize_t) MultilineCensus(value)-1; i >= 0; i--) |
| { |
| (void) WriteBlobString(image, |
| " currentfile buffer readline pop token pop\n"); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| " 0 y %g add moveto show pop\n",i*pointsize+12); |
| (void) WriteBlobString(image,buffer); |
| } |
| } |
| /* |
| The static postscript procedures epilog. |
| */ |
| (void) WriteBlob(image,sizeof(PostscriptEpilog)-1,PostscriptEpilog); |
| (void) WriteBlobString(image,"%%EndProlog\n"); |
| } |
| (void) FormatLocaleString(buffer,MagickPathExtent,"%%%%Page: 1 %.20g\n", |
| (double) page); |
| (void) WriteBlobString(image,buffer); |
| /* |
| Page bounding box. |
| */ |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x, |
| (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+ |
| (double) (geometry.height+text_size)); |
| (void) WriteBlobString(image,buffer); |
| /* |
| Page process colors if not RGB. |
| */ |
| if (image->colorspace == CMYKColorspace) |
| (void) WriteBlobString(image, |
| "%%PageProcessColors: Cyan Magenta Yellow Black\n"); |
| else |
| if (SetImageGray(image,exception) != MagickFalse) |
| (void) WriteBlobString(image,"%%PageProcessColors: Black\n"); |
| /* |
| Adjust document bounding box to bound page bounding box. |
| */ |
| if ((double) geometry.x < bounds.x1) |
| bounds.x1=(double) geometry.x; |
| if ((double) geometry.y < bounds.y1) |
| bounds.y1=(double) geometry.y; |
| if ((double) (geometry.x+scale.x) > bounds.x2) |
| bounds.x2=(double) geometry.x+scale.x; |
| if ((double) (geometry.y+scale.y+text_size) > bounds.y2) |
| bounds.y2=(double) geometry.y+scale.y+text_size; |
| /* |
| Page font resource if there's a label. |
| */ |
| value=GetImageProperty(image,"label",exception); |
| if (value != (const char *) NULL) |
| (void) WriteBlobString(image,"%%PageResources: font Helvetica\n"); |
| /* |
| PS clipping path from Photoshop clipping path. |
| */ |
| if (((image->channels & WriteMaskChannel) != 0) || |
| (LocaleNCompare("8BIM:",image->magick_filename,5) != 0)) |
| (void) WriteBlobString(image,"/ClipImage {} def\n"); |
| else |
| { |
| const char |
| *value; |
| |
| value=GetImageProperty(image,image->magick_filename,exception); |
| if (value == (const char *) NULL) |
| return(MagickFalse); |
| (void) WriteBlobString(image,value); |
| (void) WriteBlobByte(image,'\n'); |
| } |
| /* |
| Push a dictionary for our own def's if this an EPS. |
| */ |
| if (LocaleCompare(image_info->magick,"PS3") != 0) |
| (void) WriteBlobString(image,"userdict begin\n"); |
| /* |
| Image mask. |
| */ |
| if ((image->alpha_trait != UndefinedPixelTrait) && |
| (WritePS3MaskImage(image_info,image,compression,exception) == MagickFalse)) |
| { |
| (void) CloseBlob(image); |
| return(MagickFalse); |
| } |
| /* |
| Remember position of BeginData comment so we can update it. |
| */ |
| start=TellBlob(image); |
| if (start < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%BeginData:%13ld %s Bytes\n",0L, |
| compression == NoCompression ? "ASCII" : "BINARY"); |
| (void) WriteBlobString(image,buffer); |
| stop=TellBlob(image); |
| if (stop < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| (void) WriteBlobString(image,"DisplayImage\n"); |
| /* |
| Translate, scale, and font point size. |
| */ |
| (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g %.20g\n%g %g\n%g\n", |
| (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize); |
| (void) WriteBlobString(image,buffer); |
| /* |
| Output labels. |
| */ |
| labels=(char **) NULL; |
| value=GetImageProperty(image,"label",exception); |
| if (value != (const char *) NULL) |
| labels=StringToList(value); |
| if (labels != (char **) NULL) |
| { |
| for (i=0; labels[i] != (char *) NULL; i++) |
| { |
| if (compression != NoCompression) |
| { |
| for (j=0; labels[i][j] != '\0'; j++) |
| (void) WriteBlobByte(image,(unsigned char) labels[i][j]); |
| (void) WriteBlobByte(image,'\n'); |
| } |
| else |
| { |
| (void) WriteBlobString(image,"<~"); |
| Ascii85Initialize(image); |
| for (j=0; labels[i][j] != '\0'; j++) |
| Ascii85Encode(image,(unsigned char) labels[i][j]); |
| Ascii85Flush(image); |
| } |
| labels[i]=DestroyString(labels[i]); |
| } |
| labels=(char **) RelinquishMagickMemory(labels); |
| } |
| /* |
| Photoshop clipping path active? |
| */ |
| if (((image->channels & WriteMaskChannel) != 0) && |
| (LocaleNCompare("8BIM:",image->magick_filename,5) == 0)) |
| (void) WriteBlobString(image,"true\n"); |
| else |
| (void) WriteBlobString(image,"false\n"); |
| /* |
| Showpage for non-EPS. |
| */ |
| (void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ? |
| "true\n" : "false\n"); |
| /* |
| Image columns, rows, and color space. |
| */ |
| (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g %.20g\n%s\n", |
| (double) image->columns,(double) image->rows,image->colorspace == |
| CMYKColorspace ? PS3_CMYKColorspace : PS3_RGBColorspace); |
| (void) WriteBlobString(image,buffer); |
| /* |
| Masked image? |
| */ |
| (void) WriteBlobString(image,image->alpha_trait != UndefinedPixelTrait ? |
| "true\n" : "false\n"); |
| /* |
| Render with imagemask operator? |
| */ |
| option=GetImageOption(image_info,"ps3:imagemask"); |
| (void) WriteBlobString(image,((option != (const char *) NULL) && |
| (SetImageMonochrome(image,exception) != MagickFalse)) ? |
| "true\n" : "false\n"); |
| /* |
| Output pixel data. |
| */ |
| pixels=(unsigned char *) NULL; |
| length=0; |
| if ((image_info->type != TrueColorType) && |
| (image_info->type != TrueColorAlphaType) && |
| (image_info->type != ColorSeparationType) && |
| (image_info->type != ColorSeparationAlphaType) && |
| (image->colorspace != CMYKColorspace) && |
| ((SetImageGray(image,exception) != MagickFalse) || |
| (SetImageMonochrome(image,exception) != MagickFalse))) |
| { |
| /* |
| Gray images. |
| */ |
| (void) WriteBlobString(image,PS3_PseudoClass"\n"); |
| switch (compression) |
| { |
| case NoCompression: |
| default: |
| { |
| (void) WriteBlobString(image,PS3_NoCompression"\n"); |
| break; |
| } |
| case FaxCompression: |
| case Group4Compression: |
| { |
| (void) WriteBlobString(image,PS3_FaxCompression"\n"); |
| break; |
| } |
| case JPEGCompression: |
| { |
| (void) WriteBlobString(image,PS3_JPEGCompression"\n"); |
| break; |
| } |
| case LZWCompression: |
| { |
| (void) WriteBlobString(image,PS3_LZWCompression"\n"); |
| break; |
| } |
| case RLECompression: |
| { |
| (void) WriteBlobString(image,PS3_RLECompression"\n"); |
| break; |
| } |
| case ZipCompression: |
| { |
| (void) WriteBlobString(image,PS3_ZipCompression"\n"); |
| break; |
| } |
| } |
| /* |
| Number of colors -- 0 for single component non-color mapped data. |
| */ |
| (void) WriteBlobString(image,"0\n"); |
| /* |
| 1 bit or 8 bit components? |
| */ |
| (void) FormatLocaleString(buffer,MagickPathExtent,"%d\n", |
| SetImageMonochrome(image,exception) != MagickFalse ? 1 : 8); |
| (void) WriteBlobString(image,buffer); |
| /* |
| Image data. |
| */ |
| if (compression == JPEGCompression) |
| status=InjectImageBlob(image_info,image,image,"jpeg",exception); |
| else |
| if ((compression == FaxCompression) || |
| (compression == Group4Compression)) |
| { |
| if (LocaleCompare(CCITTParam,"0") == 0) |
| status=HuffmanEncodeImage(image_info,image,image,exception); |
| else |
| status=Huffman2DEncodeImage(image_info,image,image,exception); |
| } |
| else |
| { |
| status=SerializeImageChannel(image_info,image,&pixel_info,&length, |
| exception); |
| if (status == MagickFalse) |
| { |
| (void) CloseBlob(image); |
| return(MagickFalse); |
| } |
| pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); |
| switch (compression) |
| { |
| case NoCompression: |
| default: |
| { |
| Ascii85Initialize(image); |
| for (i=0; i < (ssize_t) length; i++) |
| Ascii85Encode(image,pixels[i]); |
| Ascii85Flush(image); |
| status=MagickTrue; |
| break; |
| } |
| case LZWCompression: |
| { |
| status=LZWEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| case RLECompression: |
| { |
| status=PackbitsEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| case ZipCompression: |
| { |
| status=ZLIBEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| } |
| pixel_info=RelinquishVirtualMemory(pixel_info); |
| } |
| } |
| else |
| if ((image->storage_class == DirectClass) || (image->colors > 256) || |
| (compression == JPEGCompression)) |
| { |
| /* |
| Truecolor image. |
| */ |
| (void) WriteBlobString(image,PS3_DirectClass"\n"); |
| switch (compression) |
| { |
| case NoCompression: |
| default: |
| { |
| (void) WriteBlobString(image,PS3_NoCompression"\n"); |
| break; |
| } |
| case RLECompression: |
| { |
| (void) WriteBlobString(image,PS3_RLECompression"\n"); |
| break; |
| } |
| case JPEGCompression: |
| { |
| (void) WriteBlobString(image,PS3_JPEGCompression"\n"); |
| break; |
| } |
| case LZWCompression: |
| { |
| (void) WriteBlobString(image,PS3_LZWCompression"\n"); |
| break; |
| } |
| case ZipCompression: |
| { |
| (void) WriteBlobString(image,PS3_ZipCompression"\n"); |
| break; |
| } |
| } |
| /* |
| Image data. |
| */ |
| if (compression == JPEGCompression) |
| status=InjectImageBlob(image_info,image,image,"jpeg",exception); |
| else |
| { |
| /* |
| Stream based compressions. |
| */ |
| status=SerializeImage(image_info,image,&pixel_info,&length, |
| exception); |
| if (status == MagickFalse) |
| { |
| (void) CloseBlob(image); |
| return(MagickFalse); |
| } |
| pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); |
| switch (compression) |
| { |
| case NoCompression: |
| default: |
| { |
| Ascii85Initialize(image); |
| for (i=0; i < (ssize_t) length; i++) |
| Ascii85Encode(image,pixels[i]); |
| Ascii85Flush(image); |
| status=MagickTrue; |
| break; |
| } |
| case RLECompression: |
| { |
| status=PackbitsEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| case LZWCompression: |
| { |
| status=LZWEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| case ZipCompression: |
| { |
| status=ZLIBEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| } |
| pixel_info=RelinquishVirtualMemory(pixel_info); |
| } |
| } |
| else |
| { |
| /* |
| Colormapped images. |
| */ |
| (void) WriteBlobString(image,PS3_PseudoClass"\n"); |
| switch (compression) |
| { |
| case NoCompression: |
| default: |
| { |
| (void) WriteBlobString(image,PS3_NoCompression"\n"); |
| break; |
| } |
| case RLECompression: |
| { |
| (void) WriteBlobString(image,PS3_RLECompression"\n"); |
| break; |
| } |
| case LZWCompression: |
| { |
| (void) WriteBlobString(image,PS3_LZWCompression"\n"); |
| break; |
| } |
| case ZipCompression: |
| { |
| (void) WriteBlobString(image,PS3_ZipCompression"\n"); |
| break; |
| } |
| } |
| /* |
| Number of colors in color map. |
| */ |
| (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g\n", |
| (double) image->colors); |
| (void) WriteBlobString(image,buffer); |
| /* |
| Color map - uncompressed. |
| */ |
| if ((compression != NoCompression) && |
| (compression != UndefinedCompression)) |
| { |
| for (i=0; i < (ssize_t) image->colors; i++) |
| { |
| pixel=ScaleQuantumToChar(image->colormap[i].red); |
| (void) WriteBlobByte(image,(unsigned char) pixel); |
| pixel=ScaleQuantumToChar(image->colormap[i].green); |
| (void) WriteBlobByte(image,(unsigned char) pixel); |
| pixel=ScaleQuantumToChar(image->colormap[i].blue); |
| (void) WriteBlobByte(image,(unsigned char) pixel); |
| } |
| } |
| else |
| { |
| Ascii85Initialize(image); |
| for (i=0; i < (ssize_t) image->colors; i++) |
| { |
| pixel=ScaleQuantumToChar(image->colormap[i].red); |
| Ascii85Encode(image,(unsigned char) pixel); |
| pixel=ScaleQuantumToChar(image->colormap[i].green); |
| Ascii85Encode(image,(unsigned char) pixel); |
| pixel=ScaleQuantumToChar(image->colormap[i].blue); |
| Ascii85Encode(image,(unsigned char) pixel); |
| } |
| Ascii85Flush(image); |
| } |
| status=SerializeImageIndexes(image_info,image,&pixel_info,&length, |
| exception); |
| if (status == MagickFalse) |
| { |
| (void) CloseBlob(image); |
| return(MagickFalse); |
| } |
| pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); |
| switch (compression) |
| { |
| case NoCompression: |
| default: |
| { |
| Ascii85Initialize(image); |
| for (i=0; i < (ssize_t) length; i++) |
| Ascii85Encode(image,pixels[i]); |
| Ascii85Flush(image); |
| status=MagickTrue; |
| break; |
| } |
| case RLECompression: |
| { |
| status=PackbitsEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| case LZWCompression: |
| { |
| status=LZWEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| case ZipCompression: |
| { |
| status=ZLIBEncodeImage(image,length,pixels,exception); |
| break; |
| } |
| } |
| pixel_info=RelinquishVirtualMemory(pixel_info); |
| } |
| (void) WriteBlobByte(image,'\n'); |
| if (status == MagickFalse) |
| { |
| (void) CloseBlob(image); |
| return(MagickFalse); |
| } |
| /* |
| Update BeginData now that we know the data size. |
| */ |
| length=(size_t) (TellBlob(image)-stop); |
| stop=TellBlob(image); |
| if (stop < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| offset=SeekBlob(image,start,SEEK_SET); |
| if (offset < 0) |
| ThrowWriterException(CorruptImageError,"ImproperImageHeader"); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%BeginData:%13ld %s Bytes\n",(long) length, |
| compression == NoCompression ? "ASCII" : "BINARY"); |
| (void) WriteBlobString(image,buffer); |
| offset=SeekBlob(image,stop,SEEK_SET); |
| (void) WriteBlobString(image,"%%EndData\n"); |
| /* |
| End private dictionary if this an EPS. |
| */ |
| if (LocaleCompare(image_info->magick,"PS3") != 0) |
| (void) WriteBlobString(image,"end\n"); |
| (void) WriteBlobString(image,"%%PageTrailer\n"); |
| if (GetNextImageInList(image) == (Image *) NULL) |
| break; |
| image=SyncNextImageInList(image); |
| status=SetImageProgress(image,SaveImagesTag,scene++,imageListLength); |
| if (status == MagickFalse) |
| break; |
| } while (image_info->adjoin != MagickFalse); |
| (void) WriteBlobString(image,"%%Trailer\n"); |
| if (page > 1) |
| { |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5), |
| ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5)); |
| (void) WriteBlobString(image,buffer); |
| (void) FormatLocaleString(buffer,MagickPathExtent, |
| "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,bounds.x2, |
| bounds.y2); |
| (void) WriteBlobString(image,buffer); |
| } |
| (void) WriteBlobString(image,"%%EOF\n"); |
| (void) CloseBlob(image); |
| return(MagickTrue); |
| } |
