/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M M IIIII FFFFF FFFFF % % MM MM I F F % % M M M I FFF FFF % % M M I F F % % M M IIIII F F % % % % % % Read/Write MIFF Image Format. % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1999-2007 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/blob.h" #include "magick/blob-private.h" #include "magick/color.h" #include "magick/color-private.h" #include "magick/colorspace.h" #include "magick/constitute.h" #include "magick/exception.h" #include "magick/exception-private.h" #include "magick/hashmap.h" #include "magick/geometry.h" #include "magick/image.h" #include "magick/image-private.h" #include "magick/list.h" #include "magick/magick.h" #include "magick/memory_.h" #include "magick/monitor.h" #include "magick/option.h" #include "magick/pixel.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/module.h" #if defined(HasZLIB) #include "zlib.h" #endif #if defined(HasBZLIB) #include "bzlib.h" #endif /* Forward declarations. */ static MagickBooleanType WriteMIFFImage(const ImageInfo *,Image *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s M I F F % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsMIFF() returns MagickTrue if the image format type, identified by the % magick string, is MIFF. % % The format of the IsMIFF method is: % % MagickBooleanType IsMIFF(const unsigned char *magick,const size_t length) % % A description of each parameter follows: % % o magick: This string is generally the first few bytes of an image file % or blob. % % o length: Specifies the length of the magick string. % */ static MagickBooleanType IsMIFF(const unsigned char *magick,const size_t length) { if (length < 14) return(MagickFalse); if (LocaleNCompare((char *) magick,"id=ImageMagick",14) == 0) return(MagickTrue); return(MagickFalse); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d M I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadMIFFImage() reads a MIFF 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 ReadMIFFImage method is: % % Image *ReadMIFFImage(const ImageInfo *image_info, % ExceptionInfo *exception) % % Decompression code contributed by Kyle Shorter. % % A description of each parameter follows: % % o image: Method ReadMIFFImage returns a pointer to the image after % reading. A null image is returned if there is a memory shortage or % if the image cannot be read. % % o image_info: The image info. % % o exception: return any errors or warnings in this structure. % */ #if defined(HasBZLIB) static void *AcquireBZIPMemory(void *context,int items,int size) { (void) context; return((void *) AcquireQuantumMemory((size_t) items,(size_t) size)); } #endif #if defined(HasZLIB) static voidpf AcquireZIPMemory(voidpf context,unsigned int items, unsigned int size) { (void) context; return((voidpf) AcquireQuantumMemory(items,size)); } #endif static inline size_t MagickMax(const size_t x,const size_t y) { if (x > y) return(x); return(y); } static inline size_t MagickMin(const size_t x,const size_t y) { if (x < y) return(x); return(y); } static void PushRunlengthPacket(Image *image,const QuantumState *quantum_state, const unsigned char *pixels,size_t *length,PixelPacket *pixel, IndexPacket *index) { const unsigned char *p; p=pixels; if (image->storage_class == PseudoClass) { *index=(IndexPacket) 0; switch (image->depth) { case 32: { *index=ConstrainColormapIndex(image, (*p << 24) | (*(p+1) << 16) | (*(p+2) << 8) | *(p+3)); p+=4; break; } case 16: { *index=ConstrainColormapIndex(image,(*p << 8) | *(p+1)); p+=2; break; } case 8: { *index=ConstrainColormapIndex(image,*p); p++; break; } default: (void) ThrowMagickException(&image->exception,GetMagickModule(), CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); } *pixel=image->colormap[(long) *index]; switch (image->depth) { case 8: { unsigned char quantum; if (image->matte != MagickFalse) { quantum=PushCharPixel(&p); pixel->opacity=ScaleCharToQuantum(quantum); } break; } case 16: { unsigned short quantum; if (image->matte != MagickFalse) { quantum=PushShortPixel(quantum_state,&p); pixel->opacity=(Quantum) (quantum >> (image->depth-QuantumDepth)); } break; } case 32: { unsigned long quantum; if (image->matte != MagickFalse) { quantum=PushLongPixel(quantum_state,&p); pixel->opacity=(Quantum) (quantum >> (image->depth-QuantumDepth)); } break; } default: (void) ThrowMagickException(&image->exception,GetMagickModule(), CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); } *length=(size_t) (*p++)+1; return; } switch (image->depth) { case 8: { unsigned char quantum; quantum=PushCharPixel(&p); pixel->red=ScaleCharToQuantum(quantum); quantum=PushCharPixel(&p); pixel->green=ScaleCharToQuantum(quantum); quantum=PushCharPixel(&p); pixel->blue=ScaleCharToQuantum(quantum); if (image->matte != MagickFalse) { quantum=PushCharPixel(&p); pixel->opacity=ScaleCharToQuantum(quantum); } if (image->colorspace == CMYKColorspace) { quantum=PushCharPixel(&p); *index=ScaleCharToQuantum(quantum); } break; } case 16: { unsigned short quantum; quantum=PushShortPixel(quantum_state,&p); pixel->red=(Quantum) (quantum >> (image->depth-QuantumDepth)); quantum=PushShortPixel(quantum_state,&p); pixel->green=(Quantum) (quantum >> (image->depth-QuantumDepth)); quantum=PushShortPixel(quantum_state,&p); pixel->blue=(Quantum) (quantum >> (image->depth-QuantumDepth)); if (image->matte != MagickFalse) { quantum=PushShortPixel(quantum_state,&p); pixel->opacity=(Quantum) (quantum >> (image->depth-QuantumDepth)); } if (image->colorspace == CMYKColorspace) { quantum=PushShortPixel(quantum_state,&p); *index=(IndexPacket) (quantum >> (image->depth-QuantumDepth)); } break; } case 32: { unsigned long quantum; quantum=PushLongPixel(quantum_state,&p); pixel->red=(Quantum) (quantum >> (image->depth-QuantumDepth)); quantum=PushLongPixel(quantum_state,&p); pixel->green=(Quantum) (quantum >> (image->depth-QuantumDepth)); quantum=PushLongPixel(quantum_state,&p); pixel->blue=(Quantum) (quantum >> (image->depth-QuantumDepth)); if (image->matte != MagickFalse) { quantum=PushLongPixel(quantum_state,&p); pixel->opacity=(Quantum) (quantum >> (image->depth-QuantumDepth)); } if (image->colorspace == CMYKColorspace) { quantum=PushLongPixel(quantum_state,&p); *index=(IndexPacket) (quantum >> (image->depth-QuantumDepth)); } break; } default: (void) ThrowMagickException(&image->exception,GetMagickModule(), CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); } *length=(size_t) (*p++)+1; } #if defined(HasZLIB) static void RelinquishZIPMemory(voidpf context,voidpf memory) { (void) context; memory=RelinquishMagickMemory(memory); } #endif #if defined(HasBZLIB) static void RelinquishBZIPMemory(void *context,void *memory) { (void) context; memory=RelinquishMagickMemory(memory); } #endif static Image *ReadMIFFImage(const ImageInfo *image_info, ExceptionInfo *exception) { #define BZipMaxExtent(x) ((x)+((x)/100)+600) #define ZipMaxExtent(x) ((x)+(((x)+7) >> 3)+(((x)+63) >> 6)+11) #if defined(HasBZLIB) bz_stream bzip_info; #endif char id[MaxTextExtent], keyword[MaxTextExtent], *options; const unsigned char *p; double version; GeometryInfo geometry_info; Image *image; IndexPacket index; int c, code; LinkedListInfo *profiles; MagickOffsetType offset; long y; MagickBooleanType status; MagickStatusType flags; PixelPacket pixel; QuantumInfo quantum_info; QuantumState quantum_state; QuantumType quantum_type; register IndexPacket *indexes; register long i, x; register PixelPacket *q; size_t length, packet_size; ssize_t count; unsigned char *compress_pixels, *pixels; unsigned long colors; #if defined(HasZLIB) z_stream zip_info; #endif /* 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=AllocateImage(image_info); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } /* Decode image header; header terminates one character beyond a ':'. */ c=ReadBlobByte(image); if (c == EOF) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); code=0; *id='\0'; (void) ResetMagickMemory(keyword,0,sizeof(keyword)); version=0.0; do { /* Decode image header; header terminates one character beyond a ':'. */ length=MaxTextExtent; options=AcquireString((char *) NULL); profiles=(LinkedListInfo *) NULL; colors=0; image->depth=8UL; image->compression=NoCompression; GetQuantumInfo(image_info,&quantum_info); InitializeQuantumState(&quantum_info,MSBEndian,&quantum_state); 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/2)) *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) { image->storage_class=(ClassType) ParseMagickOption( MagickClassOptions,MagickFalse,options); break; } if (LocaleCompare(keyword,"colors") == 0) { colors=(unsigned long) atol(options); break; } if (LocaleCompare(keyword,"colorspace") == 0) { image->colorspace=(ColorspaceType) ParseMagickOption( MagickColorspaceOptions,MagickFalse,options); break; } if (LocaleCompare(keyword,"compression") == 0) { image->compression=(CompressionType) ParseMagickOption( MagickCompressOptions,MagickFalse,options); break; } if (LocaleCompare(keyword,"columns") == 0) { image->columns=(unsigned long) atol(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'd': case 'D': { if (LocaleCompare(keyword,"delay") == 0) { image->delay=(unsigned long) atol(options); break; } if (LocaleCompare(keyword,"depth") == 0) { image->depth=(unsigned long) atol(options); break; } if (LocaleCompare(keyword,"dispose") == 0) { image->dispose=(DisposeType) ParseMagickOption( MagickDisposeOptions,MagickFalse,options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'e': case 'E': { if (LocaleCompare(keyword,"endian") == 0) { image->endian=(EndianType) ParseMagickOption( MagickEndianOptions,MagickFalse,options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'g': case 'G': { if (LocaleCompare(keyword,"gamma") == 0) { image->gamma=atof(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=(unsigned long) atol(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'm': case 'M': { if (LocaleCompare(keyword,"matte") == 0) { image->matte=(MagickBooleanType) ParseMagickOption( MagickBooleanOptions,MagickFalse,options); break; } if (LocaleCompare(keyword,"matte-color") == 0) { (void) QueryColorDatabase(options,&image->matte_color, exception); 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) { image->matte=(MagickBooleanType) ParseMagickOption( MagickBooleanOptions,MagickFalse,options); break; } if (LocaleCompare(keyword,"orientation") == 0) { image->orientation=(OrientationType) ParseMagickOption( MagickOrientationOptions,MagickFalse,options); 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) { StringInfo *profile; if (profiles == (LinkedListInfo *) NULL) profiles=NewLinkedList(0); (void) AppendValueToLinkedList(profiles, AcquireString(keyword+8)); profile=AcquireStringInfo((size_t) atol(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=(unsigned long) atol(options); break; } if (LocaleCompare(keyword,"quantum-format") == 0) { quantum_info.format=(QuantumFormatType) ParseMagickOption( MagickQuantumFormatOptions,MagickFalse,options); if (quantum_info.format == FloatingPointQuantumFormat) quantum_info.scale=QuantumRange; 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; image->chromaticity.red_primary.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->chromaticity.red_primary.y= image->chromaticity.red_primary.x; break; } if (LocaleCompare(keyword,"rendering-intent") == 0) { image->rendering_intent=(RenderingIntent) ParseMagickOption( MagickIntentOptions,MagickFalse,options); 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=(unsigned long) atol(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 's': case 'S': { if (LocaleCompare(keyword,"scene") == 0) { image->scene=(unsigned long) atol(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 't': case 'T': { if (LocaleCompare(keyword,"ticks-per-second") == 0) { image->ticks_per_second=atol(options); break; } if (LocaleCompare(keyword,"tile-offset") == 0) { char *geometry; geometry=GetPageGeometry(options); (void) ParseAbsoluteGeometry(geometry,&image->tile_offset); geometry=DestroyString(geometry); break; } (void) SetImageProperty(image,keyword,options); break; } case 'u': case 'U': { if (LocaleCompare(keyword,"units") == 0) { image->units=(ResolutionType) ParseMagickOption( MagickResolutionOptions,MagickFalse,options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'v': case 'V': { if (LocaleCompare(keyword,"version") == 0) { version=atof(options); 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.rho; 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,"ImageMagick") != 0) || (image->storage_class == UndefinedClass) || (image->columns == 0) || (image->rows == 0)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 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; /* Read image profiles. */ ResetLinkedListIterator(profiles); name=(const char *) GetNextValueInLinkedList(profiles); while (name != (const char *) NULL) { profile=GetImageProfile(image,name); if (profile != (StringInfo *) NULL) { register unsigned char *p; p=GetStringInfoDatum(profile); count=ReadBlob(image,GetStringInfoLength(profile),p); } name=(const char *) GetNextValueInLinkedList(profiles); } profiles=DestroyLinkedList(profiles,RelinquishMagickMemory); } image->depth=GetImageQuantumDepth(image,MagickFalse); if (image->storage_class == PseudoClass) { /* Create image colormap. */ status=AllocateImageColormap(image,colors != 0 ? colors : 256); if (status == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); if (colors != 0) { size_t packet_size; unsigned char *colormap; /* Read image colormap from file. */ packet_size=(size_t) (3UL*image->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); p=colormap; switch (image->depth) { default: ThrowReaderException(CorruptImageError, "ImageDepthNotSupported"); case 8: { unsigned char pixel; for (i=0; i < (long) image->colors; i++) { pixel=PushCharPixel(&p); image->colormap[i].red=ScaleCharToQuantum(pixel); pixel=PushCharPixel(&p); image->colormap[i].green=ScaleCharToQuantum(pixel); pixel=PushCharPixel(&p); image->colormap[i].blue=ScaleCharToQuantum(pixel); } break; } case 16: { unsigned short pixel; for (i=0; i < (long) image->colors; i++) { pixel=PushShortPixel(&quantum_state,&p); image->colormap[i].red=ScaleShortToQuantum(pixel); pixel=PushShortPixel(&quantum_state,&p); image->colormap[i].green=ScaleShortToQuantum(pixel); pixel=PushShortPixel(&quantum_state,&p); image->colormap[i].blue=ScaleShortToQuantum(pixel); } break; } case 32: { unsigned long pixel; for (i=0; i < (long) image->colors; i++) { pixel=PushLongPixel(&quantum_state,&p); image->colormap[i].red=ScaleLongToQuantum(pixel); pixel=PushLongPixel(&quantum_state,&p); image->colormap[i].green=ScaleLongToQuantum(pixel); pixel=PushLongPixel(&quantum_state,&p); image->colormap[i].blue=ScaleLongToQuantum(pixel); } break; } } colormap=(unsigned char *) RelinquishMagickMemory(colormap); } } if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; /* Allocate image pixels. */ if (SetImageExtent(image,0,0) == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } packet_size=(size_t) (image->depth/8); if (image->storage_class == DirectClass) packet_size=(size_t) (3*image->depth/8); if (image->matte != MagickFalse) packet_size+=image->depth/8; if (image->colorspace == CMYKColorspace) packet_size+=image->depth/8; if (image->compression == RLECompression) packet_size++; length=image->columns; pixels=(unsigned char *) AcquireQuantumMemory(length,packet_size* sizeof(*pixels)); length=MagickMax(BZipMaxExtent(packet_size*image->columns),ZipMaxExtent( packet_size*image->columns)); compress_pixels=(unsigned char *) AcquireQuantumMemory(length, sizeof(*compress_pixels)); if ((pixels == (unsigned char *) NULL) || (compress_pixels == (unsigned char *) NULL)) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); /* Read image pixels. */ quantum_type=RGBQuantum; if (image->storage_class == PseudoClass) quantum_type=image->matte != MagickFalse ? IndexAlphaQuantum : IndexQuantum; else if (image->colorspace == CMYKColorspace) quantum_type=image->matte != MagickFalse ? CMYKAQuantum : CMYKQuantum; else quantum_type=image->matte != MagickFalse ? RGBAQuantum : RGBQuantum; index=(IndexPacket) 0; length=0; for (y=0; y < (long) image->rows; y++) { q=SetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; indexes=GetIndexes(image); switch (image->compression) { #if defined(HasZLIB) case LZWCompression: case ZipCompression: { if (y == 0) { zip_info.zalloc=AcquireZIPMemory; zip_info.zfree=RelinquishZIPMemory; zip_info.opaque=(voidpf) NULL; code=inflateInit(&zip_info); if (code >= 0) status=MagickTrue; zip_info.avail_in=0; } zip_info.next_out=pixels; zip_info.avail_out=(uInt) (packet_size*image->columns); do { if (zip_info.avail_in == 0) { zip_info.next_in=compress_pixels; length=(size_t) ZipMaxExtent(packet_size*image->columns); if (version != 0) length=(size_t) ReadBlobMSBLong(image); zip_info.avail_in=(unsigned int) ReadBlob(image,length, zip_info.next_in); } if (inflate(&zip_info,Z_SYNC_FLUSH) == Z_STREAM_END) break; } while (zip_info.avail_out != 0); if (y == (long) (image->rows-1)) { if (version == 0) { offset=SeekBlob(image,-((MagickOffsetType) zip_info.avail_in), SEEK_CUR); if (offset < 0) ThrowReaderException(CorruptImageError, "ImproperImageHeader"); } code=inflateEnd(&zip_info); if (code >= 0) status=MagickTrue; } status=ExportQuantumPixels(image,&quantum_info,quantum_type,pixels); break; } #endif #if defined(HasBZLIB) case BZipCompression: { if (y == 0) { bzip_info.bzalloc=AcquireBZIPMemory; bzip_info.bzfree=RelinquishBZIPMemory; bzip_info.opaque=(void *) NULL; code=BZ2_bzDecompressInit(&bzip_info,(int) image_info->verbose, MagickFalse); if (code >= 0) status=MagickTrue; bzip_info.avail_in=0; } bzip_info.next_out=(char *) pixels; bzip_info.avail_out=(unsigned int) (packet_size*image->columns); do { if (bzip_info.avail_in == 0) { bzip_info.next_in=(char *) compress_pixels; length=(size_t) BZipMaxExtent(packet_size*image->columns); if (version != 0) length=(size_t) ReadBlobMSBLong(image); bzip_info.avail_in=(unsigned int) ReadBlob(image,length, (unsigned char *) bzip_info.next_in); } if (BZ2_bzDecompress(&bzip_info) == BZ_STREAM_END) break; } while (bzip_info.avail_out != 0); if (y == (long) (image->rows-1)) { if (version == 0) { offset=SeekBlob(image,-((MagickOffsetType) bzip_info.avail_in),SEEK_CUR); if (offset < 0) ThrowReaderException(CorruptImageError, "ImproperImageHeader"); } code=BZ2_bzDecompressEnd(&bzip_info); if (code >= 0) status=MagickTrue; } status=ExportQuantumPixels(image,&quantum_info,quantum_type,pixels); break; } #endif case RLECompression: { if (y == 0) { (void) ResetMagickMemory(&pixel,0,sizeof(pixel)); pixel.opacity=(Quantum) TransparentOpacity; index=(IndexPacket) 0; } for (x=0; x < (long) image->columns; x++) { if (length == 0) { count=ReadBlob(image,packet_size,pixels); PushRunlengthPacket(image,&quantum_state,pixels,&length,&pixel, &index); } length--; if ((image->storage_class == PseudoClass) || (image->colorspace == CMYKColorspace)) indexes[x]=index; *q++=pixel; } break; } default: { count=ReadBlob(image,packet_size*image->columns,pixels); status=ExportQuantumPixels(image,&quantum_info,quantum_type,pixels); break; } } if (SyncImagePixels(image) == MagickFalse) break; } pixels=(unsigned char *) RelinquishMagickMemory(pixels); compress_pixels=(unsigned char *) RelinquishMagickMemory(compress_pixels); if (((y != (long) image->rows)) || (status == MagickFalse)) { image=DestroyImageList(image); return((Image *) NULL); } if (EOFBlob(image) != MagickFalse) { ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); break; } /* Proceed to next image. */ if (image_info->number_scenes != 0) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; do { c=ReadBlobByte(image); } while ((isgraph(c) == MagickFalse) && (c != EOF)); if (c != EOF) { /* Allocate next image structure. */ AllocateNextImage(image_info,image); if (GetNextImageInList(image) == (Image *) NULL) { image=DestroyImageList(image); return((Image *) NULL); } image=SyncNextImageInList(image); if (image->progress_monitor != (MagickProgressMonitor) NULL) { status=image->progress_monitor(LoadImagesTag,TellBlob(image), GetBlobSize(image),image->client_data); if (status == MagickFalse) break; } } } while (c != EOF); CloseBlob(image); return(GetFirstImageInList(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r M I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterMIFFImage() adds properties for the MIFF 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 RegisterMIFFImage method is: % % unsigned long RegisterMIFFImage(void) % */ ModuleExport unsigned long RegisterMIFFImage(void) { char version[MaxTextExtent]; MagickInfo *entry; *version='\0'; #if defined(MagickImageCoderSignatureText) (void) CopyMagickString(version,MagickLibVersionText,MaxTextExtent); #if defined(ZLIB_VERSION) (void) ConcatenateMagickString(version," with Zlib ",MaxTextExtent); (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); #endif #if defined(HasBZLIB) (void) ConcatenateMagickString(version," and BZlib",MaxTextExtent); #endif #endif entry=SetMagickInfo("MIFF"); entry->decoder=(DecodeImageHandler *) ReadMIFFImage; entry->encoder=(EncodeImageHandler *) WriteMIFFImage; entry->magick=(IsImageFormatHandler *) IsMIFF; entry->description=ConstantString("Magick Image File Format"); if (*version != '\0') entry->version=ConstantString(version); entry->module=ConstantString("MIFF"); (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r M I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterMIFFImage() removes format registrations made by the MIFF module % from the list of supported formats. % % The format of the UnregisterMIFFImage method is: % % UnregisterMIFFImage(void) % */ ModuleExport void UnregisterMIFFImage(void) { (void) UnregisterMagickInfo("MIFF"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e M I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteMIFFImage() writes a MIFF image to a file. % % The format of the WriteMIFFImage method is: % % MagickBooleanType WriteMIFFImage(const ImageInfo *image_info, % Image *image) % % Compression code contributed by Kyle Shorter. % % A description of each parameter follows: % % o image_info: The image info. % % o image: The image. % */ static size_t PopRunlengthPacket(Image *image,const QuantumState *quantum_state, unsigned char *pixels,size_t length,PixelPacket pixel,IndexPacket index) { unsigned char *q; q=pixels; if (image->storage_class != DirectClass) { switch (image->depth) { case 32: { *q++=(unsigned char) ((unsigned long) index >> 24); *q++=(unsigned char) ((unsigned long) index >> 16); } case 16: *q++=(unsigned char) ((unsigned long) index >> 8); case 8: { *q++=(unsigned char) index; break; } default: (void) ThrowMagickException(&image->exception,GetMagickModule(), CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); } switch (image->depth) { case 32: { unsigned long value; if (image->matte != MagickFalse) { value=ScaleQuantumToLong(pixel.opacity); PopLongPixel(quantum_state,value,&q); } break; } case 16: { unsigned short value; if (image->matte != MagickFalse) { value=ScaleQuantumToShort(pixel.opacity); PopShortPixel(quantum_state,value,&q); } break; } case 8: { unsigned char value; if (image->matte != MagickFalse) { value=(unsigned char) ScaleQuantumToChar(pixel.opacity); PopCharPixel(value,&q); } break; } default: (void) ThrowMagickException(&image->exception,GetMagickModule(), CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); } *q++=(unsigned char) length; return((size_t) (q-pixels)); } switch (image->depth) { case 32: { unsigned long value; value=ScaleQuantumToLong(pixel.red); PopLongPixel(quantum_state,value,&q); value=ScaleQuantumToLong(pixel.green); PopLongPixel(quantum_state,value,&q); value=ScaleQuantumToLong(pixel.blue); PopLongPixel(quantum_state,value,&q); if (image->matte != MagickFalse) { value=ScaleQuantumToLong(pixel.opacity); PopLongPixel(quantum_state,value,&q); } if (image->colorspace == CMYKColorspace) { value=ScaleQuantumToLong(index); PopLongPixel(quantum_state,value,&q); } break; } case 16: { unsigned short value; value=ScaleQuantumToShort(pixel.red); PopShortPixel(quantum_state,value,&q); value=ScaleQuantumToShort(pixel.green); PopShortPixel(quantum_state,value,&q); value=ScaleQuantumToShort(pixel.blue); PopShortPixel(quantum_state,value,&q); if (image->matte != MagickFalse) { value=ScaleQuantumToShort(pixel.opacity); PopShortPixel(quantum_state,value,&q); } if (image->colorspace == CMYKColorspace) { value=ScaleQuantumToShort(index); PopShortPixel(quantum_state,value,&q); } break; } case 8: { unsigned char value; value=(unsigned char) ScaleQuantumToChar(pixel.red); PopCharPixel(value,&q); value=(unsigned char) ScaleQuantumToChar(pixel.green); PopCharPixel(value,&q); value=(unsigned char) ScaleQuantumToChar(pixel.blue); PopCharPixel(value,&q); if (image->matte != MagickFalse) { value=(unsigned char) ScaleQuantumToChar(pixel.opacity); PopCharPixel(value,&q); } if (image->colorspace == CMYKColorspace) { value=(unsigned char) ScaleQuantumToChar(index); PopCharPixel(value,&q); } break; } default: (void) ThrowMagickException(&image->exception,GetMagickModule(), CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); } *q++=(unsigned char) length; return((size_t) (q-pixels)); } static MagickBooleanType WriteMIFFImage(const ImageInfo *image_info, Image *image) { #if defined(HasBZLIB) bz_stream bzip_info; #endif char buffer[MaxTextExtent]; CompressionType compression; const char *property, *value; IndexPacket index; int code; long y; MagickBooleanType status; MagickOffsetType scene; PixelPacket pixel; QuantumInfo quantum_info; QuantumState quantum_state; QuantumType quantum_type; register const PixelPacket *p; register IndexPacket *indexes; register long i, x; size_t length, packet_size; unsigned char *compress_pixels, *pixels, *q; #if defined(HasZLIB) z_stream zip_info; #endif /* Open output image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); if (status == MagickFalse) return(status); code=0; scene=0; do { /* Allocate image pixels. */ image->depth=image->depth <= 8 ? 8UL : image->depth <= 16 ? 16UL : 32UL; if ((image->storage_class == PseudoClass) && (image->colors > (1UL << image->depth))) (void) SetImageStorageClass(image,DirectClass); compression=NoCompression; switch (image->compression) { #if defined(HasZLIB) case LZWCompression: case ZipCompression: compression=ZipCompression; break; #endif #if defined(HasBZLIB) case BZipCompression: compression=BZipCompression; break; #endif case RLECompression: compression=RLECompression; break; default: break; } packet_size=(size_t) (image->depth/8); if (image->storage_class == DirectClass) packet_size=(size_t) (3*image->depth/8); if (image->matte != MagickFalse) packet_size+=image->depth/8; if (image->colorspace == CMYKColorspace) packet_size+=image->depth/8; if (compression == RLECompression) packet_size+=image->depth/8; length=image->columns; pixels=(unsigned char *) AcquireQuantumMemory(length,packet_size* sizeof(*pixels)); length=MagickMax(BZipMaxExtent(packet_size*image->columns),ZipMaxExtent( packet_size*image->columns)); if ((compression == BZipCompression) || (compression == ZipCompression)) if (length != (size_t) ((unsigned int) length)) compression=NoCompression; compress_pixels=(unsigned char *) AcquireQuantumMemory(length, sizeof(*compress_pixels)); if ((pixels == (unsigned char *) NULL) || (compress_pixels == (unsigned char *) NULL)) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); /* Write MIFF header. */ (void) WriteBlobString(image,"id=ImageMagick version=1.0\n"); (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->colorspace != UndefinedColorspace) { (void) FormatMagickString(buffer,MaxTextExtent,"colorspace=%s\n", MagickOptionToMnemonic(MagickColorspaceOptions,image->colorspace)); (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->tile_offset.x != 0) || (image->tile_offset.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->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; /* Write image profiles. */ ResetImageProfileIterator(image); name=GetNextImageProfile(image); while (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); } GetQuantumInfo(image_info,&quantum_info); if (quantum_info.format == FloatingPointQuantumFormat) { (void) WriteBlobString(image,"quantum-format=floating-point\n"); quantum_info.scale=1.0/QuantumRange; } InitializeQuantumState(&quantum_info,MSBEndian,&quantum_state); 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); } (void) WriteBlobString(image,"\f\n:\032"); if (image->montage != (char *) NULL) { /* Write montage tile directory. */ if (image->directory != (char *) NULL) (void) WriteBlob(image,strlen(image->directory), (unsigned char *) image->directory); (void) WriteBlobByte(image,'\0'); } if (image->profiles != (void *) NULL) { const char *name; const StringInfo *profile; /* Generic profile. */ 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) (3*image->depth/8); colormap=(unsigned char *) AcquireQuantumMemory(image->colors, packet_size*sizeof(*colormap)); if (colormap == (unsigned char *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); /* Write colormap to file. */ q=colormap; for (i=0; i < (long) image->colors; i++) { switch (image->depth) { default: ThrowWriterException(CorruptImageError,"ImageDepthNotSupported"); case 32: { register unsigned long pixel; pixel=ScaleQuantumToLong(image->colormap[i].red); PopLongPixel(&quantum_state,pixel,&q); pixel=ScaleQuantumToLong(image->colormap[i].green); PopLongPixel(&quantum_state,pixel,&q); pixel=ScaleQuantumToLong(image->colormap[i].blue); PopLongPixel(&quantum_state,pixel,&q); break; } case 16: { register unsigned short pixel; pixel=ScaleQuantumToShort(image->colormap[i].red); PopShortPixel(&quantum_state,pixel,&q); pixel=ScaleQuantumToShort(image->colormap[i].green); PopShortPixel(&quantum_state,pixel,&q); pixel=ScaleQuantumToShort(image->colormap[i].blue); PopShortPixel(&quantum_state,pixel,&q); break; } case 8: { register unsigned char pixel; pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red); PopCharPixel(pixel,&q); pixel=(unsigned char) ScaleQuantumToChar( image->colormap[i].green); PopCharPixel(pixel,&q); pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue); PopCharPixel(pixel,&q); break; } } } (void) WriteBlob(image,packet_size*image->colors,colormap); colormap=(unsigned char *) RelinquishMagickMemory(colormap); } /* Write image pixels to file. */ quantum_type=RGBQuantum; if (image->storage_class == PseudoClass) quantum_type=image->matte != MagickFalse ? IndexAlphaQuantum : IndexQuantum; else if (image->colorspace == CMYKColorspace) quantum_type=image->matte != MagickFalse ? CMYKAQuantum : CMYKQuantum; else quantum_type=image->matte != MagickFalse ? RGBAQuantum : RGBQuantum; status=MagickTrue; for (y=0; y < (long) image->rows; y++) { p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; indexes=GetIndexes(image); q=pixels; switch (compression) { #if defined(HasZLIB) case LZWCompression: case ZipCompression: { if (y == 0) { zip_info.zalloc=AcquireZIPMemory; zip_info.zfree=RelinquishZIPMemory; zip_info.opaque=(voidpf) NULL; code=deflateInit(&zip_info,(int) (image->quality == UndefinedCompressionQuality ? 7 : MagickMin(image->quality/10, 9))); if (code >= 0) status=MagickTrue; } zip_info.next_in=pixels; zip_info.avail_in=(uInt) (packet_size*image->columns); (void) ImportQuantumPixels(image,&quantum_info,quantum_type,pixels); do { zip_info.next_out=compress_pixels; zip_info.avail_out=(uInt) ZipMaxExtent(packet_size*image->columns); code=deflate(&zip_info,Z_SYNC_FLUSH); if (code >= 0) status=MagickTrue; length=(size_t) (zip_info.next_out-compress_pixels); if (length != 0) { (void) WriteBlobMSBLong(image,(unsigned long) length); (void) WriteBlob(image,length,compress_pixels); } } while (zip_info.avail_in != 0); if (y == (long) (image->rows-1)) { for ( ; ; ) { zip_info.next_out=compress_pixels; zip_info.avail_out=(uInt) ZipMaxExtent(packet_size*image->columns); code=deflate(&zip_info,Z_FINISH); length=(size_t) (zip_info.next_out-compress_pixels); if (length > 6) { (void) WriteBlobMSBLong(image,(unsigned long) length); (void) WriteBlob(image,length,compress_pixels); } if (code == Z_STREAM_END) break; } status=deflateEnd(&zip_info) == 0 ? MagickTrue : MagickFalse; } break; } #endif #if defined(HasBZLIB) case BZipCompression: { if (y == 0) { bzip_info.bzalloc=AcquireBZIPMemory; bzip_info.bzfree=RelinquishBZIPMemory; bzip_info.opaque=(void *) NULL; code=BZ2_bzCompressInit(&bzip_info,(int) (image->quality == UndefinedCompressionQuality ? 7 : MagickMin(image->quality/10, 9)), (int) image_info->verbose,0); if (code >= 0) status=MagickTrue; } bzip_info.next_in=(char *) pixels; bzip_info.avail_in=(unsigned int) (packet_size*image->columns); (void) ImportQuantumPixels(image,&quantum_info,quantum_type,pixels); do { bzip_info.next_out=(char *) compress_pixels; bzip_info.avail_out=(unsigned int) BZipMaxExtent(packet_size* image->columns); code=BZ2_bzCompress(&bzip_info,BZ_FLUSH); if (code >= 0) status=MagickTrue; length=(size_t) (bzip_info.next_out-(char *) compress_pixels); if (length != 0) { (void) WriteBlobMSBLong(image,(unsigned long) length); (void) WriteBlob(image,length,compress_pixels); } } while (bzip_info.avail_in != 0); if (y == (long) (image->rows-1)) { for ( ; ; ) { bzip_info.next_out=(char *) compress_pixels; bzip_info.avail_out=(unsigned int) BZipMaxExtent(packet_size*image->columns); code=BZ2_bzCompress(&bzip_info,BZ_FINISH); length=(size_t) (bzip_info.next_out-(char *) compress_pixels); if (length != 0) { (void) WriteBlobMSBLong(image,(unsigned long) length); (void) WriteBlob(image,length,compress_pixels); } if (code == BZ_STREAM_END) break; } status=BZ2_bzCompressEnd(&bzip_info) == 0 ? MagickTrue : MagickFalse; } break; } #endif case RLECompression: { pixel=(*p); index=(IndexPacket) 0; if (indexes != (IndexPacket *) NULL) index=(*indexes); length=255; for (x=0; x < (long) image->columns; x++) { if ((length < 255) && (x < (long) (image->columns-1)) && (IsColorEqual(p,&pixel) != MagickFalse) && ((image->matte == MagickFalse) || (p->opacity == pixel.opacity)) && ((indexes == (IndexPacket *) NULL) || (index == indexes[x]))) length++; else { if (x > 0) q+=PopRunlengthPacket(image,&quantum_state,q,length,pixel, index); length=0; } pixel=(*p); if (indexes != (IndexPacket *) NULL) index=indexes[x]; p++; } q+=PopRunlengthPacket(image,&quantum_state,q,length,pixel,index); (void) WriteBlob(image,(size_t) (q-pixels),pixels); break; } default: { (void) ImportQuantumPixels(image,&quantum_info,quantum_type,pixels); (void) WriteBlob(image,packet_size*image->columns,pixels); break; } } if (image->previous == (Image *) NULL) if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (QuantumTick(y,image->rows) != MagickFalse)) { status=image->progress_monitor(SaveImageTag,y,image->rows, image->client_data); if (status == MagickFalse) break; } } pixels=(unsigned char *) RelinquishMagickMemory(pixels); compress_pixels=(unsigned char *) RelinquishMagickMemory(compress_pixels); 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); CloseBlob(image); return(status); }