/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % CCCC M M Y Y K K % % C MM MM Y Y K K % % C M M M Y KKK % % C M M Y K K % % CCCC M M Y K K % % % % % % Read/Write RAW CMYK Image Format % % % % Software Design % % Cristy % % July 1992 % % % % % % Copyright 1999-2021 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/blob.h" #include "MagickCore/blob-private.h" #include "MagickCore/cache.h" #include "MagickCore/channel.h" #include "MagickCore/colorspace.h" #include "MagickCore/constitute.h" #include "MagickCore/exception.h" #include "MagickCore/exception-private.h" #include "MagickCore/image.h" #include "MagickCore/image-private.h" #include "MagickCore/list.h" #include "MagickCore/magick.h" #include "MagickCore/memory_.h" #include "MagickCore/monitor.h" #include "MagickCore/monitor-private.h" #include "MagickCore/pixel-accessor.h" #include "MagickCore/quantum-private.h" #include "MagickCore/static.h" #include "MagickCore/statistic.h" #include "MagickCore/string_.h" #include "MagickCore/module.h" #include "MagickCore/utility.h" /* Forward declarations. */ static MagickBooleanType WriteCMYKImage(const ImageInfo *,Image *,ExceptionInfo *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d C M Y K I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadCMYKImage() reads an image of raw CMYK or CMYKA samples 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 ReadCMYKImage method is: % % Image *ReadCMYKImage(const ImageInfo *image_info, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: the image info. % % o exception: return any errors or warnings in this structure. % */ static Image *ReadCMYKImage(const ImageInfo *image_info, ExceptionInfo *exception) { const void *stream; Image *canvas_image, *image; MagickBooleanType status; MagickOffsetType scene; QuantumInfo *quantum_info; QuantumType quantum_type; ssize_t i; size_t length; ssize_t count, y; unsigned char *pixels; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); image=AcquireImage(image_info,exception); if ((image->columns == 0) || (image->rows == 0)) ThrowReaderException(OptionError,"MustSpecifyImageSize"); status=SetImageExtent(image,image->columns,image->rows,exception); if (status == MagickFalse) return(DestroyImageList(image)); (void) SetImageColorspace(image,CMYKColorspace,exception); if (image_info->interlace != PartitionInterlace) { status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } if (DiscardBlobBytes(image,(MagickSizeType) image->offset) == MagickFalse) ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); } /* Create virtual canvas to support cropping (i.e. image.cmyk[100x100+10+20]). */ canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse, exception); if (canvas_image == (Image *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); (void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod, exception); quantum_info=AcquireQuantumInfo(image_info,canvas_image); if (quantum_info == (QuantumInfo *) NULL) { canvas_image=DestroyImage(canvas_image); ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); } quantum_type=CMYKQuantum; if (LocaleCompare(image_info->magick,"CMYKA") == 0) { quantum_type=CMYKAQuantum; image->alpha_trait=BlendPixelTrait; } pixels=GetQuantumPixels(quantum_info); if (image_info->number_scenes != 0) while (image->scene < image_info->scene) { /* Skip to next image. */ image->scene++; length=GetQuantumExtent(canvas_image,quantum_info,quantum_type); for (y=0; y < (ssize_t) image->rows; y++) { stream=ReadBlobStream(image,length,pixels,&count); if (count != (ssize_t) length) break; } } count=0; length=0; scene=0; status=MagickTrue; stream=NULL; do { /* Read pixels to virtual canvas image then push to image. */ if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; status=SetImageExtent(image,image->columns,image->rows,exception); if (status == MagickFalse) break; if (SetImageColorspace(image,CMYKColorspace,exception) == MagickFalse) break; switch (image_info->interlace) { case NoInterlace: default: { /* No interlacing: CMYKCMYKCMYKCMYKCMYKCMYK... */ if (scene == 0) { length=GetQuantumExtent(canvas_image,quantum_info,quantum_type); stream=ReadBlobStream(image,length,pixels,&count); } for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,quantum_type,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=QueueAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelRed(image,GetPixelRed(canvas_image,p),q); SetPixelGreen(image,GetPixelGreen(canvas_image,p),q); SetPixelBlue(image,GetPixelBlue(canvas_image,p),q); SetPixelBlack(image,GetPixelBlack(canvas_image,p),q); SetPixelAlpha(image,OpaqueAlpha,q); if (image->alpha_trait != UndefinedPixelTrait) SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } break; } case LineInterlace: { static QuantumType quantum_types[5] = { CyanQuantum, MagentaQuantum, YellowQuantum, BlackQuantum, OpacityQuantum }; /* Line interlacing: CCC...MMM...YYY...KKK...CCC...MMM...YYY...KKK... */ if (scene == 0) { length=GetQuantumExtent(canvas_image,quantum_info,CyanQuantum); stream=ReadBlobStream(image,length,pixels,&count); } for (y=0; y < (ssize_t) image->extract_info.height; y++) { for (i=0; i < (ssize_t) (image->alpha_trait != UndefinedPixelTrait ? 5 : 4); i++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } quantum_type=quantum_types[i]; q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,quantum_type,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x, 0,canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { switch (quantum_type) { case CyanQuantum: { SetPixelCyan(image,GetPixelCyan(canvas_image,p),q); break; } case MagentaQuantum: { SetPixelMagenta(image,GetPixelMagenta(canvas_image,p),q); break; } case YellowQuantum: { SetPixelYellow(image,GetPixelYellow(canvas_image,p),q); break; } case BlackQuantum: { SetPixelBlack(image,GetPixelBlack(canvas_image,p),q); break; } case OpacityQuantum: { SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q); break; } default: break; } p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } break; } case PlaneInterlace: { /* Plane interlacing: CCCCCC...MMMMMM...YYYYYY...KKKKKK... */ if (scene == 0) { length=GetQuantumExtent(canvas_image,quantum_info,CyanQuantum); stream=ReadBlobStream(image,length,pixels,&count); } for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,CyanQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelRed(image,GetPixelRed(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,1,6); if (status == MagickFalse) break; } for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,MagentaQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelGreen(image,GetPixelGreen(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,2,6); if (status == MagickFalse) break; } for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,YellowQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelBlue(image,GetPixelBlue(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,3,6); if (status == MagickFalse) break; } for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,BlackQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelBlack(image,GetPixelBlack(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,4,6); if (status == MagickFalse) break; } if (image->alpha_trait != UndefinedPixelTrait) { for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,AlphaQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image, canvas_image->extract_info.x,0,canvas_image->columns,1, exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,5,6); if (status == MagickFalse) break; } } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,6,6); if (status == MagickFalse) break; } break; } case PartitionInterlace: { /* Partition interlacing: CCCCCC..., MMMMMM..., YYYYYY..., KKKKKK... */ AppendImageFormat("C",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) break; if (DiscardBlobBytes(image,(MagickSizeType) image->offset) == MagickFalse) { status=MagickFalse; ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); break; } length=GetQuantumExtent(canvas_image,quantum_info,CyanQuantum); for (i=0; i < (ssize_t) scene; i++) { for (y=0; y < (ssize_t) image->extract_info.height; y++) { stream=ReadBlobStream(image,length,pixels,&count); if (count != (ssize_t) length) break; } if (count != (ssize_t) length) break; } stream=ReadBlobStream(image,length,pixels,&count); for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,CyanQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelRed(image,GetPixelRed(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,1,5); if (status == MagickFalse) break; } (void) CloseBlob(image); AppendImageFormat("M",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) break; length=GetQuantumExtent(canvas_image,quantum_info,MagentaQuantum); for (i=0; i < (ssize_t) scene; i++) { for (y=0; y < (ssize_t) image->extract_info.height; y++) { stream=ReadBlobStream(image,length,pixels,&count); if (count != (ssize_t) length) break; } if (count != (ssize_t) length) break; } stream=ReadBlobStream(image,length,pixels,&count); for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,MagentaQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelGreen(image,GetPixelGreen(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,2,5); if (status == MagickFalse) break; } (void) CloseBlob(image); AppendImageFormat("Y",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) break; length=GetQuantumExtent(canvas_image,quantum_info,YellowQuantum); for (i=0; i < (ssize_t) scene; i++) { for (y=0; y < (ssize_t) image->extract_info.height; y++) { stream=ReadBlobStream(image,length,pixels,&count); if (count != (ssize_t) length) break; } if (count != (ssize_t) length) break; } stream=ReadBlobStream(image,length,pixels,&count); for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,YellowQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelBlue(image,GetPixelBlue(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,3,5); if (status == MagickFalse) break; } (void) CloseBlob(image); AppendImageFormat("K",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) break; length=GetQuantumExtent(canvas_image,quantum_info,BlackQuantum); for (i=0; i < (ssize_t) scene; i++) { for (y=0; y < (ssize_t) image->extract_info.height; y++) { stream=ReadBlobStream(image,length,pixels,&count); if (count != (ssize_t) length) break; } if (count != (ssize_t) length) break; } stream=ReadBlobStream(image,length,pixels,&count); for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,BlackQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelBlack(image,GetPixelBlack(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,3,5); if (status == MagickFalse) break; } if (image->alpha_trait != UndefinedPixelTrait) { (void) CloseBlob(image); AppendImageFormat("A",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) break; length=GetQuantumExtent(canvas_image,quantum_info,AlphaQuantum); for (i=0; i < (ssize_t) scene; i++) { for (y=0; y < (ssize_t) image->extract_info.height; y++) { stream=ReadBlobStream(image,length,pixels,&count); if (count != (ssize_t) length) break; } if (count != (ssize_t) length) break; } stream=ReadBlobStream(image,length,pixels,&count); for (y=0; y < (ssize_t) image->extract_info.height; y++) { const Quantum *magick_restrict p; Quantum *magick_restrict q; ssize_t x; if (count != (ssize_t) length) { status=MagickFalse; ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (Quantum *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,YellowQuantum,(unsigned char *) stream,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (ssize_t) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x, 0,canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q); p+=GetPixelChannels(canvas_image); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } stream=ReadBlobStream(image,length,pixels,&count); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,4,5); if (status == MagickFalse) break; } } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,5,5); if (status == MagickFalse) break; } break; } } if (status == MagickFalse) break; SetQuantumImageType(image,quantum_type); /* Proceed to next image. */ if (image_info->number_scenes != 0) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; if (count == (ssize_t) length) { /* Allocate next image structure. */ AcquireNextImage(image_info,image,exception); if (GetNextImageInList(image) == (Image *) NULL) { status=MagickFalse; break; } image=SyncNextImageInList(image); status=SetImageProgress(image,LoadImagesTag,TellBlob(image), GetBlobSize(image)); if (status == MagickFalse) break; } scene++; } while (count == (ssize_t) length); quantum_info=DestroyQuantumInfo(quantum_info); canvas_image=DestroyImage(canvas_image); (void) CloseBlob(image); if (status == MagickFalse) return(DestroyImageList(image)); return(GetFirstImageInList(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r C M Y K I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterCMYKImage() adds attributes for the CMYK image format to % the list of supported formats. The attributes 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 RegisterCMYKImage method is: % % size_t RegisterCMYKImage(void) % */ ModuleExport size_t RegisterCMYKImage(void) { MagickInfo *entry; entry=AcquireMagickInfo("CMYK","CMYK", "Raw cyan, magenta, yellow, and black samples"); entry->decoder=(DecodeImageHandler *) ReadCMYKImage; entry->encoder=(EncodeImageHandler *) WriteCMYKImage; entry->flags|=CoderRawSupportFlag; entry->flags|=CoderEndianSupportFlag; (void) RegisterMagickInfo(entry); entry=AcquireMagickInfo("CMYK","CMYKA", "Raw cyan, magenta, yellow, black, and alpha samples"); entry->decoder=(DecodeImageHandler *) ReadCMYKImage; entry->encoder=(EncodeImageHandler *) WriteCMYKImage; entry->flags|=CoderRawSupportFlag; entry->flags|=CoderEndianSupportFlag; (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r C M Y K I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterCMYKImage() removes format registrations made by the % CMYK module from the list of supported formats. % % The format of the UnregisterCMYKImage method is: % % UnregisterCMYKImage(void) % */ ModuleExport void UnregisterCMYKImage(void) { (void) UnregisterMagickInfo("CMYK"); (void) UnregisterMagickInfo("CMYKA"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e C M Y K I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteCMYKImage() writes an image to a file in cyan, magenta, yellow, and % black,rasterfile format. % % The format of the WriteCMYKImage method is: % % MagickBooleanType WriteCMYKImage(const ImageInfo *image_info, % Image *image,ExceptionInfo *exception) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % % o exception: return any errors or warnings in this structure. % */ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info, Image *image,ExceptionInfo *exception) { MagickBooleanType status; MagickOffsetType scene; QuantumInfo *quantum_info; QuantumType quantum_type; size_t imageListLength, length; ssize_t count, y; unsigned char *pixels; /* Allocate memory for pixels. */ 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); if (image_info->interlace != PartitionInterlace) { /* Open output image file. */ status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); } scene=0; imageListLength=GetImageListLength(image); do { /* Convert MIFF to CMYK raster pixels. */ if (image->colorspace != CMYKColorspace) (void) TransformImageColorspace(image,CMYKColorspace,exception); quantum_type=CMYKQuantum; if (LocaleCompare(image_info->magick,"CMYKA") == 0) { quantum_type=CMYKAQuantum; if (image->alpha_trait == UndefinedPixelTrait) (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception); } quantum_info=AcquireQuantumInfo(image_info,image); if (quantum_info == (QuantumInfo *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); pixels=(unsigned char *) GetQuantumPixels(quantum_info); switch (image_info->interlace) { case NoInterlace: default: { /* No interlacing: CMYKCMYKCMYKCMYKCMYKCMYK... */ for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, quantum_type,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } break; } case LineInterlace: { /* Line interlacing: CCC...MMM...YYY...KKK...CCC...MMM...YYY...KKK... */ for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, CyanQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, MagentaQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, YellowQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, BlackQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; if (quantum_type == CMYKAQuantum) { length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, AlphaQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } break; } case PlaneInterlace: { /* Plane interlacing: CCCCCC...MMMMMM...YYYYYY...KKKKKK... */ for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, CyanQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,1,6); if (status == MagickFalse) break; } for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, MagentaQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,2,6); if (status == MagickFalse) break; } for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, YellowQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,3,6); if (status == MagickFalse) break; } for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, BlackQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,4,6); if (status == MagickFalse) break; } if (quantum_type == CMYKAQuantum) { for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, AlphaQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,5,6); if (status == MagickFalse) break; } } if (image_info->interlace == PartitionInterlace) (void) CopyMagickString(image->filename,image_info->filename, MagickPathExtent); if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,6,6); if (status == MagickFalse) break; } break; } case PartitionInterlace: { /* Partition interlacing: CCCCCC..., MMMMMM..., YYYYYY..., KKKKKK... */ AppendImageFormat("C",image->filename); status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : AppendBinaryBlobMode,exception); if (status == MagickFalse) return(status); for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, CyanQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,1,6); if (status == MagickFalse) break; } (void) CloseBlob(image); AppendImageFormat("M",image->filename); status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : AppendBinaryBlobMode,exception); if (status == MagickFalse) return(status); for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, MagentaQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,2,6); if (status == MagickFalse) break; } (void) CloseBlob(image); AppendImageFormat("Y",image->filename); status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : AppendBinaryBlobMode,exception); if (status == MagickFalse) return(status); for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, YellowQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,3,6); if (status == MagickFalse) break; } (void) CloseBlob(image); AppendImageFormat("K",image->filename); status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : AppendBinaryBlobMode,exception); if (status == MagickFalse) return(status); for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, BlackQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,4,6); if (status == MagickFalse) break; } if (quantum_type == CMYKAQuantum) { (void) CloseBlob(image); AppendImageFormat("A",image->filename); status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode : AppendBinaryBlobMode,exception); if (status == MagickFalse) return(status); for (y=0; y < (ssize_t) image->rows; y++) { const Quantum *magick_restrict p; p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, AlphaQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,5,6); if (status == MagickFalse) break; } } (void) CloseBlob(image); (void) CopyMagickString(image->filename,image_info->filename, MagickPathExtent); if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,6,6); if (status == MagickFalse) break; } break; } } quantum_info=DestroyQuantumInfo(quantum_info); 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) CloseBlob(image); return(MagickTrue); }