| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % M M PPPP CCCC % |
| % MM MM P P C % |
| % M M M PPPP C % |
| % M M P C % |
| % M M P CCCC % |
| % % |
| % % |
| % Read/Write Magick Persistant Cache Image Format % |
| % % |
| % Software Design % |
| % John Cristy % |
| % March 2000 % |
| % % |
| % % |
| % Copyright 1999-2010 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/attribute.h" |
| #include "magick/blob.h" |
| #include "magick/blob-private.h" |
| #include "magick/cache.h" |
| #include "magick/color.h" |
| #include "magick/color-private.h" |
| #include "magick/colormap.h" |
| #include "magick/constitute.h" |
| #include "magick/exception.h" |
| #include "magick/exception-private.h" |
| #include "magick/geometry.h" |
| #include "magick/hashmap.h" |
| #include "magick/image.h" |
| #include "magick/image-private.h" |
| #include "magick/list.h" |
| #include "magick/magick.h" |
| #include "magick/memory_.h" |
| #include "magick/module.h" |
| #include "magick/monitor.h" |
| #include "magick/monitor-private.h" |
| #include "magick/option.h" |
| #include "magick/profile.h" |
| #include "magick/property.h" |
| #include "magick/quantum-private.h" |
| #include "magick/static.h" |
| #include "magick/statistic.h" |
| #include "magick/string_.h" |
| #include "magick/string-private.h" |
| #include "magick/utility.h" |
| |
| /* |
| Forward declarations. |
| */ |
| static MagickBooleanType |
| WriteMPCImage(const ImageInfo *,Image *); |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % I s M P C % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % IsMPC() returns MagickTrue if the image format type, identified by the |
| % magick string, is an Magick Persistent Cache image. |
| % |
| % The format of the IsMPC method is: |
| % |
| % MagickBooleanType IsMPC(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 IsMPC(const unsigned char *magick,const size_t length) |
| { |
| if (length < 14) |
| return(MagickFalse); |
| if (LocaleNCompare((const char *) magick,"id=MagickCache",14) == 0) |
| return(MagickTrue); |
| return(MagickFalse); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e a d C A C H E I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % ReadMPCImage() reads an Magick Persistent Cache 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 ReadMPCImage method is: |
| % |
| % Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| % |
| % Decompression code contributed by Kyle Shorter. |
| % |
| % A description of each parameter follows: |
| % |
| % o image_info: the image info. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| { |
| char |
| cache_filename[MaxTextExtent], |
| id[MaxTextExtent], |
| keyword[MaxTextExtent], |
| *options; |
| |
| const unsigned char |
| *p; |
| |
| GeometryInfo |
| geometry_info; |
| |
| Image |
| *image; |
| |
| int |
| c; |
| |
| LinkedListInfo |
| *profiles; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| offset; |
| |
| MagickStatusType |
| flags; |
| |
| register long |
| i; |
| |
| size_t |
| length; |
| |
| ssize_t |
| count; |
| |
| StringInfo |
| *profile; |
| |
| unsigned long |
| depth, |
| quantum_depth; |
| |
| /* |
| 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); |
| } |
| (void) CopyMagickString(cache_filename,image->filename,MaxTextExtent); |
| AppendImageFormat("cache",cache_filename); |
| c=ReadBlobByte(image); |
| if (c == EOF) |
| { |
| image=DestroyImage(image); |
| return((Image *) NULL); |
| } |
| *id='\0'; |
| (void) ResetMagickMemory(keyword,0,sizeof(keyword)); |
| offset=0; |
| do |
| { |
| /* |
| Decode image header; header terminates one character beyond a ':'. |
| */ |
| profiles=(LinkedListInfo *) NULL; |
| length=MaxTextExtent; |
| options=AcquireString((char *) NULL); |
| quantum_depth=MAGICKCORE_QUANTUM_DEPTH; |
| image->depth=8; |
| image->compression=NoCompression; |
| while ((isgraph(c) != MagickFalse) && (c != (int) ':')) |
| { |
| register char |
| *p; |
| |
| if (c == (int) '{') |
| { |
| char |
| *comment; |
| |
| /* |
| Read comment-- any text between { }. |
| */ |
| length=MaxTextExtent; |
| comment=AcquireString((char *) NULL); |
| for (p=comment; comment != (char *) NULL; p++) |
| { |
| c=ReadBlobByte(image); |
| if ((c == EOF) || (c == (int) '}')) |
| break; |
| if ((size_t) (p-comment+1) >= length) |
| { |
| *p='\0'; |
| length<<=1; |
| comment=(char *) ResizeQuantumMemory(comment,length+ |
| MaxTextExtent,sizeof(*comment)); |
| if (comment == (char *) NULL) |
| break; |
| p=comment+strlen(comment); |
| } |
| *p=(char) c; |
| } |
| if (comment == (char *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| *p='\0'; |
| (void) SetImageProperty(image,"comment",comment); |
| comment=DestroyString(comment); |
| c=ReadBlobByte(image); |
| } |
| else |
| if (isalnum(c) != MagickFalse) |
| { |
| /* |
| Get the keyword. |
| */ |
| p=keyword; |
| do |
| { |
| if (isspace((int) ((unsigned char) c)) != 0) |
| break; |
| if (c == (int) '=') |
| break; |
| if ((size_t) (p-keyword) < (MaxTextExtent-1)) |
| *p++=(char) c; |
| c=ReadBlobByte(image); |
| } while (c != EOF); |
| *p='\0'; |
| p=options; |
| while (isspace((int) ((unsigned char) c)) != 0) |
| c=ReadBlobByte(image); |
| if (c == (int) '=') |
| { |
| /* |
| Get the keyword value. |
| */ |
| c=ReadBlobByte(image); |
| while ((c != (int) '}') && (c != EOF)) |
| { |
| if ((size_t) (p-options+1) >= length) |
| { |
| *p='\0'; |
| length<<=1; |
| options=(char *) ResizeQuantumMemory(options,length+ |
| MaxTextExtent,sizeof(*options)); |
| if (options == (char *) NULL) |
| break; |
| p=options+strlen(options); |
| } |
| if (options == (char *) NULL) |
| ThrowReaderException(ResourceLimitError, |
| "MemoryAllocationFailed"); |
| *p++=(char) c; |
| c=ReadBlobByte(image); |
| if (*options != '{') |
| if (isspace((int) ((unsigned char) c)) != 0) |
| break; |
| } |
| } |
| *p='\0'; |
| if (*options == '{') |
| (void) CopyMagickString(options,options+1,MaxTextExtent); |
| /* |
| Assign a value to the specified keyword. |
| */ |
| switch (*keyword) |
| { |
| case 'b': |
| case 'B': |
| { |
| if (LocaleCompare(keyword,"background-color") == 0) |
| { |
| (void) QueryColorDatabase(options,&image->background_color, |
| exception); |
| break; |
| } |
| if (LocaleCompare(keyword,"blue-primary") == 0) |
| { |
| flags=ParseGeometry(options,&geometry_info); |
| image->chromaticity.blue_primary.x=geometry_info.rho; |
| image->chromaticity.blue_primary.y=geometry_info.sigma; |
| if ((flags & SigmaValue) == 0) |
| image->chromaticity.blue_primary.y= |
| image->chromaticity.blue_primary.x; |
| break; |
| } |
| if (LocaleCompare(keyword,"border-color") == 0) |
| { |
| (void) QueryColorDatabase(options,&image->border_color, |
| exception); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'c': |
| case 'C': |
| { |
| if (LocaleCompare(keyword,"class") == 0) |
| { |
| long |
| storage_class; |
| |
| storage_class=ParseMagickOption(MagickClassOptions, |
| MagickFalse,options); |
| if (storage_class < 0) |
| break; |
| image->storage_class=(ClassType) storage_class; |
| break; |
| } |
| if (LocaleCompare(keyword,"colors") == 0) |
| { |
| image->colors=StringToUnsignedLong(options); |
| break; |
| } |
| if (LocaleCompare(keyword,"colorspace") == 0) |
| { |
| long |
| colorspace; |
| |
| colorspace=ParseMagickOption(MagickColorspaceOptions, |
| MagickFalse,options); |
| if (colorspace < 0) |
| break; |
| image->colorspace=(ColorspaceType) colorspace; |
| break; |
| } |
| if (LocaleCompare(keyword,"compression") == 0) |
| { |
| long |
| compression; |
| |
| compression=ParseMagickOption(MagickCompressOptions, |
| MagickFalse,options); |
| if (compression < 0) |
| break; |
| image->compression=(CompressionType) compression; |
| break; |
| } |
| if (LocaleCompare(keyword,"columns") == 0) |
| { |
| image->columns=StringToUnsignedLong(options); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'd': |
| case 'D': |
| { |
| if (LocaleCompare(keyword,"delay") == 0) |
| { |
| image->delay=StringToUnsignedLong(options); |
| break; |
| } |
| if (LocaleCompare(keyword,"depth") == 0) |
| { |
| image->depth=StringToUnsignedLong(options); |
| break; |
| } |
| if (LocaleCompare(keyword,"dispose") == 0) |
| { |
| long |
| dispose; |
| |
| dispose=ParseMagickOption(MagickDisposeOptions,MagickFalse, |
| options); |
| if (dispose < 0) |
| break; |
| image->dispose=(DisposeType) dispose; |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'e': |
| case 'E': |
| { |
| if (LocaleCompare(keyword,"endian") == 0) |
| { |
| long |
| endian; |
| |
| endian=ParseMagickOption(MagickEndianOptions,MagickFalse, |
| options); |
| if (endian < 0) |
| break; |
| image->endian=(EndianType) endian; |
| break; |
| } |
| if (LocaleCompare(keyword,"error") == 0) |
| { |
| image->error.mean_error_per_pixel=StringToDouble(options); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'g': |
| case 'G': |
| { |
| if (LocaleCompare(keyword,"gamma") == 0) |
| { |
| image->gamma=StringToDouble(options); |
| break; |
| } |
| if (LocaleCompare(keyword,"green-primary") == 0) |
| { |
| flags=ParseGeometry(options,&geometry_info); |
| image->chromaticity.green_primary.x=geometry_info.rho; |
| image->chromaticity.green_primary.y=geometry_info.sigma; |
| if ((flags & SigmaValue) == 0) |
| image->chromaticity.green_primary.y= |
| image->chromaticity.green_primary.x; |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'i': |
| case 'I': |
| { |
| if (LocaleCompare(keyword,"id") == 0) |
| { |
| (void) CopyMagickString(id,options,MaxTextExtent); |
| break; |
| } |
| if (LocaleCompare(keyword,"iterations") == 0) |
| { |
| image->iterations=StringToUnsignedLong(options); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'm': |
| case 'M': |
| { |
| if (LocaleCompare(keyword,"matte") == 0) |
| { |
| long |
| matte; |
| |
| matte=ParseMagickOption(MagickBooleanOptions,MagickFalse, |
| options); |
| if (matte < 0) |
| break; |
| image->matte=(MagickBooleanType) matte; |
| break; |
| } |
| if (LocaleCompare(keyword,"matte-color") == 0) |
| { |
| (void) QueryColorDatabase(options,&image->matte_color, |
| exception); |
| break; |
| } |
| if (LocaleCompare(keyword,"maximum-error") == 0) |
| { |
| image->error.normalized_maximum_error=StringToDouble(options); |
| break; |
| } |
| if (LocaleCompare(keyword,"mean-error") == 0) |
| { |
| image->error.normalized_mean_error=StringToDouble(options); |
| break; |
| } |
| if (LocaleCompare(keyword,"montage") == 0) |
| { |
| (void) CloneString(&image->montage,options); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'o': |
| case 'O': |
| { |
| if (LocaleCompare(keyword,"opaque") == 0) |
| { |
| long |
| matte; |
| |
| matte=ParseMagickOption(MagickBooleanOptions,MagickFalse, |
| options); |
| if (matte < 0) |
| break; |
| image->matte=(MagickBooleanType) matte; |
| break; |
| } |
| if (LocaleCompare(keyword,"orientation") == 0) |
| { |
| long |
| orientation; |
| |
| orientation=ParseMagickOption(MagickOrientationOptions, |
| MagickFalse,options); |
| if (orientation < 0) |
| break; |
| image->orientation=(OrientationType) orientation; |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'p': |
| case 'P': |
| { |
| if (LocaleCompare(keyword,"page") == 0) |
| { |
| char |
| *geometry; |
| |
| geometry=GetPageGeometry(options); |
| (void) ParseAbsoluteGeometry(geometry,&image->page); |
| geometry=DestroyString(geometry); |
| break; |
| } |
| if ((LocaleNCompare(keyword,"profile:",8) == 0) || |
| (LocaleNCompare(keyword,"profile-",8) == 0)) |
| { |
| if (profiles == (LinkedListInfo *) NULL) |
| profiles=NewLinkedList(0); |
| (void) AppendValueToLinkedList(profiles, |
| AcquireString(keyword+8)); |
| profile=AcquireStringInfo((size_t) StringToLong(options)); |
| (void) SetImageProfile(image,keyword+8,profile); |
| profile=DestroyStringInfo(profile); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'q': |
| case 'Q': |
| { |
| if (LocaleCompare(keyword,"quality") == 0) |
| { |
| image->quality=StringToUnsignedLong(options); |
| break; |
| } |
| if (LocaleCompare(keyword,"quantum-depth") == 0) |
| { |
| quantum_depth=StringToUnsignedLong(options); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'r': |
| case 'R': |
| { |
| if (LocaleCompare(keyword,"red-primary") == 0) |
| { |
| flags=ParseGeometry(options,&geometry_info); |
| image->chromaticity.red_primary.x=geometry_info.rho; |
| if ((flags & SigmaValue) != 0) |
| image->chromaticity.red_primary.y=geometry_info.sigma; |
| break; |
| } |
| if (LocaleCompare(keyword,"rendering-intent") == 0) |
| { |
| long |
| rendering_intent; |
| |
| rendering_intent=ParseMagickOption(MagickIntentOptions, |
| MagickFalse,options); |
| if (rendering_intent < 0) |
| break; |
| image->rendering_intent=(RenderingIntent) rendering_intent; |
| break; |
| } |
| if (LocaleCompare(keyword,"resolution") == 0) |
| { |
| flags=ParseGeometry(options,&geometry_info); |
| image->x_resolution=geometry_info.rho; |
| image->y_resolution=geometry_info.sigma; |
| if ((flags & SigmaValue) == 0) |
| image->y_resolution=image->x_resolution; |
| break; |
| } |
| if (LocaleCompare(keyword,"rows") == 0) |
| { |
| image->rows=StringToUnsignedLong(options); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 's': |
| case 'S': |
| { |
| if (LocaleCompare(keyword,"scene") == 0) |
| { |
| image->scene=StringToUnsignedLong(options); |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 't': |
| case 'T': |
| { |
| if (LocaleCompare(keyword,"ticks-per-second") == 0) |
| { |
| image->ticks_per_second=(long) StringToLong(options); |
| break; |
| } |
| if (LocaleCompare(keyword,"tile-offset") == 0) |
| { |
| char |
| *geometry; |
| |
| geometry=GetPageGeometry(options); |
| (void) ParseAbsoluteGeometry(geometry,&image->tile_offset); |
| geometry=DestroyString(geometry); |
| } |
| if (LocaleCompare(keyword,"type") == 0) |
| { |
| long |
| type; |
| |
| type=ParseMagickOption(MagickTypeOptions,MagickFalse, |
| options); |
| if (type < 0) |
| break; |
| image->type=(ImageType) type; |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'u': |
| case 'U': |
| { |
| if (LocaleCompare(keyword,"units") == 0) |
| { |
| long |
| units; |
| |
| units=ParseMagickOption(MagickResolutionOptions,MagickFalse, |
| options); |
| if (units < 0) |
| break; |
| image->units=(ResolutionType) units; |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| case 'w': |
| case 'W': |
| { |
| if (LocaleCompare(keyword,"white-point") == 0) |
| { |
| flags=ParseGeometry(options,&geometry_info); |
| image->chromaticity.white_point.x=geometry_info.rho; |
| image->chromaticity.white_point.y=geometry_info.sigma; |
| if ((flags & SigmaValue) == 0) |
| image->chromaticity.white_point.y= |
| image->chromaticity.white_point.x; |
| break; |
| } |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| default: |
| { |
| (void) SetImageProperty(image,keyword,options); |
| break; |
| } |
| } |
| } |
| else |
| c=ReadBlobByte(image); |
| while (isspace((int) ((unsigned char) c)) != 0) |
| c=ReadBlobByte(image); |
| } |
| options=DestroyString(options); |
| (void) ReadBlobByte(image); |
| /* |
| Verify that required image information is defined. |
| */ |
| if ((LocaleCompare(id,"MagickCache") != 0) || |
| (image->storage_class == UndefinedClass) || |
| (image->compression == UndefinedCompression) || (image->columns == 0) || |
| (image->rows == 0)) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| if (quantum_depth != MAGICKCORE_QUANTUM_DEPTH) |
| ThrowReaderException(CacheError,"InconsistentPersistentCacheDepth"); |
| if (image->montage != (char *) NULL) |
| { |
| register char |
| *p; |
| |
| /* |
| Image directory. |
| */ |
| length=MaxTextExtent; |
| image->directory=AcquireString((char *) NULL); |
| p=image->directory; |
| do |
| { |
| *p='\0'; |
| if ((strlen(image->directory)+MaxTextExtent) >= length) |
| { |
| /* |
| Allocate more memory for the image directory. |
| */ |
| length<<=1; |
| image->directory=(char *) ResizeQuantumMemory(image->directory, |
| length+MaxTextExtent,sizeof(*image->directory)); |
| if (image->directory == (char *) NULL) |
| ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| p=image->directory+strlen(image->directory); |
| } |
| c=ReadBlobByte(image); |
| *p++=(char) c; |
| } while (c != (int) '\0'); |
| } |
| if (profiles != (LinkedListInfo *) NULL) |
| { |
| const char |
| *name; |
| |
| const StringInfo |
| *profile; |
| |
| register unsigned char |
| *p; |
| |
| /* |
| Read image profiles. |
| */ |
| ResetLinkedListIterator(profiles); |
| name=(const char *) GetNextValueInLinkedList(profiles); |
| while (name != (const char *) NULL) |
| { |
| profile=GetImageProfile(image,name); |
| if (profile != (StringInfo *) NULL) |
| { |
| p=GetStringInfoDatum(profile); |
| count=ReadBlob(image,GetStringInfoLength(profile),p); |
| } |
| name=(const char *) GetNextValueInLinkedList(profiles); |
| } |
| profiles=DestroyLinkedList(profiles,RelinquishMagickMemory); |
| } |
| depth=GetImageQuantumDepth(image,MagickFalse); |
| if (image->storage_class == PseudoClass) |
| { |
| /* |
| Create image colormap. |
| */ |
| if (AcquireImageColormap(image,image->colors) == MagickFalse) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| if (image->colors != 0) |
| { |
| size_t |
| packet_size; |
| |
| unsigned char |
| *colormap; |
| |
| /* |
| Read image colormap from file. |
| */ |
| packet_size=(size_t) (3UL*depth/8UL); |
| colormap=(unsigned char *) AcquireQuantumMemory(image->colors, |
| packet_size*sizeof(*colormap)); |
| if (colormap == (unsigned char *) NULL) |
| ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| count=ReadBlob(image,packet_size*image->colors,colormap); |
| if (count != (ssize_t) (packet_size*image->colors)) |
| ThrowReaderException(CorruptImageError, |
| "InsufficientImageDataInFile"); |
| p=colormap; |
| switch (depth) |
| { |
| default: |
| ThrowReaderException(CorruptImageError, |
| "ImageDepthNotSupported"); |
| case 8: |
| { |
| unsigned char |
| pixel; |
| |
| for (i=0; i < (long) image->colors; i++) |
| { |
| p=PushCharPixel(p,&pixel); |
| image->colormap[i].red=ScaleCharToQuantum(pixel); |
| p=PushCharPixel(p,&pixel); |
| image->colormap[i].green=ScaleCharToQuantum(pixel); |
| p=PushCharPixel(p,&pixel); |
| image->colormap[i].blue=ScaleCharToQuantum(pixel); |
| } |
| break; |
| } |
| case 16: |
| { |
| unsigned short |
| pixel; |
| |
| for (i=0; i < (long) image->colors; i++) |
| { |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| image->colormap[i].red=ScaleShortToQuantum(pixel); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| image->colormap[i].green=ScaleShortToQuantum(pixel); |
| p=PushShortPixel(MSBEndian,p,&pixel); |
| image->colormap[i].blue=ScaleShortToQuantum(pixel); |
| } |
| break; |
| } |
| case 32: |
| { |
| unsigned long |
| pixel; |
| |
| for (i=0; i < (long) image->colors; i++) |
| { |
| p=PushLongPixel(MSBEndian,p,&pixel); |
| image->colormap[i].red=ScaleLongToQuantum(pixel); |
| p=PushLongPixel(MSBEndian,p,&pixel); |
| image->colormap[i].green=ScaleLongToQuantum(pixel); |
| p=PushLongPixel(MSBEndian,p,&pixel); |
| image->colormap[i].blue=ScaleLongToQuantum(pixel); |
| } |
| break; |
| } |
| } |
| colormap=(unsigned char *) RelinquishMagickMemory(colormap); |
| } |
| } |
| if (EOFBlob(image) != MagickFalse) |
| { |
| ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
| image->filename); |
| break; |
| } |
| if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) |
| if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| break; |
| /* |
| Attach persistent pixel cache. |
| */ |
| status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception); |
| if (status == MagickFalse) |
| ThrowReaderException(CacheError,"UnableToPersistPixelCache"); |
| /* |
| Proceed to next image. |
| */ |
| do |
| { |
| c=ReadBlobByte(image); |
| } while ((isgraph(c) == MagickFalse) && (c != EOF)); |
| if (c != EOF) |
| { |
| /* |
| Allocate next image structure. |
| */ |
| AcquireNextImage(image_info,image); |
| if (GetNextImageInList(image) == (Image *) NULL) |
| { |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| image=SyncNextImageInList(image); |
| status=SetImageProgress(image,LoadImagesTag,TellBlob(image), |
| GetBlobSize(image)); |
| if (status == MagickFalse) |
| break; |
| } |
| } while (c != EOF); |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r M P C I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterMPCImage() adds properties for the Cache 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 RegisterMPCImage method is: |
| % |
| % unsigned long RegisterMPCImage(void) |
| % |
| */ |
| ModuleExport unsigned long RegisterMPCImage(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=SetMagickInfo("CACHE"); |
| entry->description=ConstantString("Magick Persistent Cache image format"); |
| entry->module=ConstantString("CACHE"); |
| entry->stealth=MagickTrue; |
| (void) RegisterMagickInfo(entry); |
| entry=SetMagickInfo("MPC"); |
| entry->decoder=(DecodeImageHandler *) ReadMPCImage; |
| entry->encoder=(EncodeImageHandler *) WriteMPCImage; |
| entry->magick=(IsImageFormatHandler *) IsMPC; |
| entry->description=ConstantString("Magick Persistent Cache image format"); |
| entry->module=ConstantString("MPC"); |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r M P C I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterMPCImage() removes format registrations made by the |
| % MPC module from the list of supported formats. |
| % |
| % The format of the UnregisterMPCImage method is: |
| % |
| % UnregisterMPCImage(void) |
| % |
| */ |
| ModuleExport void UnregisterMPCImage(void) |
| { |
| (void) UnregisterMagickInfo("CACHE"); |
| (void) UnregisterMagickInfo("MPC"); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % W r i t e M P C I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % WriteMPCImage() writes an Magick Persistent Cache image to a file. |
| % |
| % The format of the WriteMPCImage method is: |
| % |
| % MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image) |
| % |
| % A description of each parameter follows: |
| % |
| % o image_info: the image info. |
| % |
| % o image: the image. |
| % |
| */ |
| static MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image) |
| { |
| char |
| buffer[MaxTextExtent], |
| cache_filename[MaxTextExtent]; |
| |
| const char |
| *property, |
| *value; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| offset, |
| scene; |
| |
| register long |
| i; |
| |
| unsigned long |
| depth; |
| |
| /* |
| Open persistent cache. |
| */ |
| 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); |
| (void) CopyMagickString(cache_filename,image->filename,MaxTextExtent); |
| AppendImageFormat("cache",cache_filename); |
| scene=0; |
| offset=0; |
| do |
| { |
| /* |
| Write persistent cache meta-information. |
| */ |
| depth=GetImageQuantumDepth(image,MagickTrue); |
| if ((image->storage_class == PseudoClass) && |
| (image->colors > (1UL << depth))) |
| image->storage_class=DirectClass; |
| (void) WriteBlobString(image,"id=MagickCache\n"); |
| (void) FormatMagickString(buffer,MaxTextExtent,"quantum-depth=%d\n", |
| MAGICKCORE_QUANTUM_DEPTH); |
| (void) WriteBlobString(image,buffer); |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "class=%s colors=%lu matte=%s\n",MagickOptionToMnemonic( |
| MagickClassOptions,image->storage_class),image->colors, |
| MagickOptionToMnemonic(MagickBooleanOptions,(long) image->matte)); |
| (void) WriteBlobString(image,buffer); |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "columns=%lu rows=%lu depth=%lu\n",image->columns,image->rows, |
| image->depth); |
| (void) WriteBlobString(image,buffer); |
| if (image->type != UndefinedType) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"type=%s\n", |
| MagickOptionToMnemonic(MagickTypeOptions,image->type)); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->colorspace != UndefinedColorspace) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"colorspace=%s\n", |
| MagickOptionToMnemonic(MagickColorspaceOptions,image->colorspace)); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->endian != UndefinedEndian) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"endian=%s\n", |
| MagickOptionToMnemonic(MagickEndianOptions,image->endian)); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->compression != UndefinedCompression) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "compression=%s quality=%lu\n",MagickOptionToMnemonic( |
| MagickCompressOptions,image->compression),image->quality); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->units != UndefinedResolution) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"units=%s\n", |
| MagickOptionToMnemonic(MagickResolutionOptions,image->units)); |
| (void) WriteBlobString(image,buffer); |
| } |
| if ((image->x_resolution != 0) || (image->y_resolution != 0)) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "resolution=%gx%g\n",image->x_resolution,image->y_resolution); |
| (void) WriteBlobString(image,buffer); |
| } |
| if ((image->page.width != 0) || (image->page.height != 0)) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"page=%lux%lu%+ld%+ld\n", |
| image->page.width,image->page.height,image->page.x,image->page.y); |
| (void) WriteBlobString(image,buffer); |
| } |
| else |
| if ((image->page.x != 0) || (image->page.y != 0)) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"page=%+ld%+ld\n", |
| image->page.x,image->page.y); |
| (void) WriteBlobString(image,buffer); |
| } |
| if ((image->page.x != 0) || (image->page.y != 0)) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"tile-offset=%+ld%+ld\n", |
| image->tile_offset.x,image->tile_offset.y); |
| (void) WriteBlobString(image,buffer); |
| } |
| if ((GetNextImageInList(image) != (Image *) NULL) || |
| (GetPreviousImageInList(image) != (Image *) NULL)) |
| { |
| if (image->scene == 0) |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "iterations=%lu delay=%lu ticks-per-second=%lu\n", |
| image->iterations,image->delay,image->ticks_per_second); |
| else |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "scene=%lu iterations=%lu delay=%lu ticks-per-second=%lu\n", |
| image->scene,image->iterations,image->delay, |
| image->ticks_per_second); |
| (void) WriteBlobString(image,buffer); |
| } |
| else |
| { |
| if (image->scene != 0) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"scene=%lu\n", |
| image->scene); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->iterations != 0) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"iterations=%lu\n", |
| image->iterations); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->delay != 0) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"delay=%lu\n", |
| image->delay); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->ticks_per_second != UndefinedTicksPerSecond) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "ticks-per-second=%lu\n",image->ticks_per_second); |
| (void) WriteBlobString(image,buffer); |
| } |
| } |
| if (image->gravity != UndefinedGravity) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"gravity=%s\n", |
| MagickOptionToMnemonic(MagickGravityOptions,image->gravity)); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->dispose != UndefinedDispose) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"dispose=%s\n", |
| MagickOptionToMnemonic(MagickDisposeOptions,image->dispose)); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->rendering_intent != UndefinedIntent) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "rendering-intent=%s\n", |
| MagickOptionToMnemonic(MagickIntentOptions,image->rendering_intent)); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->gamma != 0.0) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"gamma=%g\n", |
| image->gamma); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->chromaticity.white_point.x != 0.0) |
| { |
| /* |
| Note chomaticity points. |
| */ |
| (void) FormatMagickString(buffer,MaxTextExtent,"red-primary=" |
| "%g,%g green-primary=%g,%g blue-primary=%g,%g\n", |
| image->chromaticity.red_primary.x,image->chromaticity.red_primary.y, |
| image->chromaticity.green_primary.x, |
| image->chromaticity.green_primary.y, |
| image->chromaticity.blue_primary.x, |
| image->chromaticity.blue_primary.y); |
| (void) WriteBlobString(image,buffer); |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "white-point=%g,%g\n",image->chromaticity.white_point.x, |
| image->chromaticity.white_point.y); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->orientation != UndefinedOrientation) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent, |
| "orientation=%s\n",MagickOptionToMnemonic(MagickOrientationOptions, |
| image->orientation)); |
| (void) WriteBlobString(image,buffer); |
| } |
| if (image->profiles != (void *) NULL) |
| { |
| const char |
| *name; |
| |
| const StringInfo |
| *profile; |
| |
| /* |
| Generic profile. |
| */ |
| ResetImageProfileIterator(image); |
| for (name=GetNextImageProfile(image); name != (const char *) NULL; ) |
| { |
| profile=GetImageProfile(image,name); |
| if (profile != (StringInfo *) NULL) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"profile:%s=%lu\n", |
| name,(unsigned long) GetStringInfoLength(profile)); |
| (void) WriteBlobString(image,buffer); |
| } |
| name=GetNextImageProfile(image); |
| } |
| } |
| if (image->montage != (char *) NULL) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"montage=%s\n", |
| image->montage); |
| (void) WriteBlobString(image,buffer); |
| } |
| ResetImagePropertyIterator(image); |
| property=GetNextImageProperty(image); |
| while (property != (const char *) NULL) |
| { |
| (void) FormatMagickString(buffer,MaxTextExtent,"%s=",property); |
| (void) WriteBlobString(image,buffer); |
| value=GetImageProperty(image,property); |
| if (value != (const char *) NULL) |
| { |
| for (i=0; i < (long) strlen(value); i++) |
| if (isspace((int) ((unsigned char) value[i])) != 0) |
| break; |
| if (i <= (long) strlen(value)) |
| (void) WriteBlobByte(image,'{'); |
| (void) WriteBlob(image,strlen(value),(unsigned char *) value); |
| if (i <= (long) strlen(value)) |
| (void) WriteBlobByte(image,'}'); |
| } |
| (void) WriteBlobByte(image,'\n'); |
| property=GetNextImageProperty(image); |
| } |
| ResetImageArtifactIterator(image); |
| (void) WriteBlobString(image,"\f\n:\032"); |
| if (image->montage != (char *) NULL) |
| { |
| /* |
| Write montage tile directory. |
| */ |
| if (image->directory != (char *) NULL) |
| (void) WriteBlobString(image,image->directory); |
| (void) WriteBlobByte(image,'\0'); |
| } |
| if (image->profiles != 0) |
| { |
| const char |
| *name; |
| |
| const StringInfo |
| *profile; |
| |
| /* |
| Write image profiles. |
| */ |
| ResetImageProfileIterator(image); |
| name=GetNextImageProfile(image); |
| while (name != (const char *) NULL) |
| { |
| profile=GetImageProfile(image,name); |
| (void) WriteBlob(image,GetStringInfoLength(profile), |
| GetStringInfoDatum(profile)); |
| name=GetNextImageProfile(image); |
| } |
| } |
| if (image->storage_class == PseudoClass) |
| { |
| size_t |
| packet_size; |
| |
| unsigned char |
| *colormap, |
| *q; |
| |
| /* |
| Allocate colormap. |
| */ |
| packet_size=(size_t) (3UL*depth/8UL); |
| colormap=(unsigned char *) AcquireQuantumMemory(image->colors, |
| packet_size*sizeof(*colormap)); |
| if (colormap == (unsigned char *) NULL) |
| return(MagickFalse); |
| /* |
| Write colormap to file. |
| */ |
| q=colormap; |
| for (i=0; i < (long) image->colors; i++) |
| { |
| switch (depth) |
| { |
| default: |
| ThrowWriterException(CorruptImageError,"ImageDepthNotSupported"); |
| case 32: |
| { |
| unsigned long |
| pixel; |
| |
| pixel=ScaleQuantumToLong(image->colormap[i].red); |
| q=PopLongPixel(MSBEndian,pixel,q); |
| pixel=ScaleQuantumToLong(image->colormap[i].green); |
| q=PopLongPixel(MSBEndian,pixel,q); |
| pixel=ScaleQuantumToLong(image->colormap[i].blue); |
| q=PopLongPixel(MSBEndian,pixel,q); |
| } |
| case 16: |
| { |
| unsigned short |
| pixel; |
| |
| pixel=ScaleQuantumToShort(image->colormap[i].red); |
| q=PopShortPixel(MSBEndian,pixel,q); |
| pixel=ScaleQuantumToShort(image->colormap[i].green); |
| q=PopShortPixel(MSBEndian,pixel,q); |
| pixel=ScaleQuantumToShort(image->colormap[i].blue); |
| q=PopShortPixel(MSBEndian,pixel,q); |
| break; |
| } |
| case 8: |
| { |
| unsigned char |
| pixel; |
| |
| pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red); |
| q=PopCharPixel(pixel,q); |
| pixel=(unsigned char) ScaleQuantumToChar( |
| image->colormap[i].green); |
| q=PopCharPixel(pixel,q); |
| pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue); |
| q=PopCharPixel(pixel,q); |
| break; |
| } |
| } |
| } |
| (void) WriteBlob(image,packet_size*image->colors,colormap); |
| colormap=(unsigned char *) RelinquishMagickMemory(colormap); |
| } |
| /* |
| Initialize persistent pixel cache. |
| */ |
| status=PersistPixelCache(image,cache_filename,MagickFalse,&offset, |
| &image->exception); |
| if (status == MagickFalse) |
| ThrowWriterException(CacheError,"UnableToPersistPixelCache"); |
| if (GetNextImageInList(image) == (Image *) NULL) |
| break; |
| image=SyncNextImageInList(image); |
| if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| { |
| status=image->progress_monitor(SaveImagesTag,scene, |
| GetImageListLength(image),image->client_data); |
| if (status == MagickFalse) |
| break; |
| } |
| scene++; |
| } while (image_info->adjoin != MagickFalse); |
| (void) CloseBlob(image); |
| return(status); |
| } |