/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e D E B U G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteDEBUGImage writes the image pixel values with 20 places of precision. % % The format of the WriteDEBUGImage method is: % % MagickBooleanType WriteDEBUGImage(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 WriteDEBUGImage(const ImageInfo *image_info, Image *image,ExceptionInfo *exception) { char buffer[MaxTextExtent], colorspace[MaxTextExtent], tuple[MaxTextExtent]; ssize_t y; MagickBooleanType status; MagickOffsetType scene; PixelInfo pixel; register const Quantum *p; register ssize_t x; /* 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,WriteBlobMode,exception); if (status == MagickFalse) return(status); scene=0; do { (void) CopyMagickString(colorspace,CommandOptionToMnemonic( MagickColorspaceOptions,(ssize_t) image->colorspace),MaxTextExtent); LocaleLower(colorspace); image->depth=GetImageQuantumDepth(image,MagickTrue); if (image->alpha_trait == BlendPixelTrait) (void) ConcatenateMagickString(colorspace,"a",MaxTextExtent); (void) FormatLocaleString(buffer,MaxTextExtent, "# ImageMagick pixel debugging: %.20g,%.20g,%.20g,%s\n",(double) image->columns,(double) image->rows,(double) ((MagickOffsetType) GetQuantumRange(image->depth)),colorspace); (void) WriteBlobString(image,buffer); GetPixelInfo(image,&pixel); for (y=0; y < (ssize_t) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; for (x=0; x < (ssize_t) image->columns; x++) { (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g: ",(double) x,(double) y); (void) WriteBlobString(image,buffer); GetPixelInfoPixel(image,p,&pixel); (void) FormatLocaleString(tuple,MaxTextExtent,"%.20g,%.20g,%.20g ", (double) pixel.red,(double) pixel.green,(double) pixel.blue); if (pixel.colorspace == CMYKColorspace) { char black[MaxTextExtent]; (void) FormatLocaleString(black,MaxTextExtent,",%.20g ", (double) pixel.black); (void) ConcatenateMagickString(tuple,black,MaxTextExtent); } if (pixel.alpha_trait == BlendPixelTrait) { char alpha[MaxTextExtent]; (void) FormatLocaleString(alpha,MaxTextExtent,",%.20g ", (double) pixel.alpha); (void) ConcatenateMagickString(tuple,alpha,MaxTextExtent); } (void) WriteBlobString(image,tuple); (void) WriteBlobString(image,"\n"); p+=GetPixelChannels(image); } status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } if (GetNextImageInList(image) == (Image *) NULL) break; image=SyncNextImageInList(image); status=SetImageProgress(image,SaveImagesTag,scene++, GetImageListLength(image)); if (status == MagickFalse) break; } while (image_info->adjoin != MagickFalse); (void) CloseBlob(image); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e T X T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteTXTImage writes the pixel values as text numbers. % % The format of the WriteTXTImage method is: % % MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % */ static MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image) { char buffer[MaxTextExtent], colorspace[MaxTextExtent], tuple[MaxTextExtent]; MagickBooleanType status; MagickOffsetType scene; MagickPixelPacket pixel; register const IndexPacket *indexes; register const PixelPacket *p; register ssize_t x; ssize_t y; /* 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,WriteBlobMode,&image->exception); if (status == MagickFalse) return(status); scene=0; do { ComplianceType compliance; (void) CopyMagickString(colorspace,CommandOptionToMnemonic( MagickColorspaceOptions,(ssize_t) image->colorspace),MaxTextExtent); LocaleLower(colorspace); image->depth=GetImageQuantumDepth(image,MagickTrue); if (image->matte != MagickFalse) (void) ConcatenateMagickString(colorspace,"a",MaxTextExtent); compliance=NoCompliance; if (LocaleCompare(image_info->magick,"SPARSE-COLOR") != 0) { (void) FormatLocaleString(buffer,MaxTextExtent, "# ImageMagick pixel enumeration: %.20g,%.20g,%.20g,%s\n",(double) image->columns,(double) image->rows,(double) ((MagickOffsetType) GetQuantumRange(image->depth)),colorspace); (void) WriteBlobString(image,buffer); compliance=SVGCompliance; } GetMagickPixelPacket(image,&pixel); for (y=0; y < (ssize_t) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; indexes=GetVirtualIndexQueue(image); for (x=0; x < (ssize_t) image->columns; x++) { SetMagickPixelPacket(image,p,indexes+x,&pixel); if (pixel.colorspace == LabColorspace) { pixel.green-=(QuantumRange+1)/2.0; pixel.blue-=(QuantumRange+1)/2.0; } if (LocaleCompare(image_info->magick,"SPARSE-COLOR") == 0) { /* Sparse-color format. */ if (GetPixelOpacity(p) == (Quantum) OpaqueOpacity) { GetColorTuple(&pixel,MagickFalse,tuple); (void) QueryMagickColorname(image,&pixel,SVGCompliance,tuple, &image->exception); (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g,", (double) x,(double) y); (void) WriteBlobString(image,buffer); (void) WriteBlobString(image,tuple); (void) WriteBlobString(image," "); } p++; continue; } (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g: ",(double) x,(double) y); (void) WriteBlobString(image,buffer); (void) CopyMagickString(tuple,"(",MaxTextExtent); ConcatenateColorComponent(&pixel,RedChannel,compliance,tuple); (void) ConcatenateMagickString(tuple,",",MaxTextExtent); ConcatenateColorComponent(&pixel,GreenChannel,compliance,tuple); (void) ConcatenateMagickString(tuple,",",MaxTextExtent); ConcatenateColorComponent(&pixel,BlueChannel,compliance,tuple); if (pixel.colorspace == CMYKColorspace) { (void) ConcatenateMagickString(tuple,",",MaxTextExtent); ConcatenateColorComponent(&pixel,IndexChannel,compliance,tuple); } if (pixel.matte != MagickFalse) { (void) ConcatenateMagickString(tuple,",",MaxTextExtent); ConcatenateColorComponent(&pixel,AlphaChannel,compliance,tuple); } (void) ConcatenateMagickString(tuple,")",MaxTextExtent); (void) WriteBlobString(image,tuple); (void) WriteBlobString(image," "); GetColorTuple(&pixel,MagickTrue,tuple); (void) FormatLocaleString(buffer,MaxTextExtent,"%s",tuple); (void) WriteBlobString(image,buffer); (void) WriteBlobString(image," "); (void) QueryMagickColorname(image,&pixel,SVGCompliance,tuple, &image->exception); (void) WriteBlobString(image,tuple); (void) WriteBlobString(image,"\n"); p++; } status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } if (GetNextImageInList(image) == (Image *) NULL) break; image=SyncNextImageInList(image); status=SetImageProgress(image,SaveImagesTag,scene++, GetImageListLength(image)); if (status == MagickFalse) break; } while (image_info->adjoin != MagickFalse); (void) CloseBlob(image); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e T X T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteTXTImage writes the pixel values as text numbers. % % The format of the WriteTXTImage method is: % % MagickBooleanType WriteTXTImage(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 WriteTXTImage(const ImageInfo *image_info,Image *image, ExceptionInfo *exception) { char buffer[MagickPathExtent], colorspace[MagickPathExtent], tuple[MagickPathExtent]; MagickBooleanType status; MagickOffsetType scene; PixelInfo pixel; register const Quantum *p; register ssize_t x; ssize_t y; /* Open output image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); status=OpenBlob(image_info,image,WriteBlobMode,exception); if (status == MagickFalse) return(status); scene=0; do { ComplianceType compliance; const char *value; (void) CopyMagickString(colorspace,CommandOptionToMnemonic( MagickColorspaceOptions,(ssize_t) image->colorspace),MagickPathExtent); LocaleLower(colorspace); image->depth=GetImageQuantumDepth(image,MagickTrue); if (image->alpha_trait != UndefinedPixelTrait) (void) ConcatenateMagickString(colorspace,"a",MagickPathExtent); compliance=NoCompliance; value=GetImageOption(image_info,"txt:compliance"); if (value != (char *) NULL) compliance=(ComplianceType) ParseCommandOption(MagickComplianceOptions, MagickFalse,value); if (LocaleCompare(image_info->magick,"SPARSE-COLOR") != 0) { size_t depth; depth=compliance == SVGCompliance ? image->depth : MAGICKCORE_QUANTUM_DEPTH; (void) FormatLocaleString(buffer,MagickPathExtent, "# ImageMagick pixel enumeration: %.20g,%.20g,%.20g,%s\n",(double) image->columns,(double) image->rows,(double) ((MagickOffsetType) GetQuantumRange(depth)),colorspace); (void) WriteBlobString(image,buffer); } GetPixelInfo(image,&pixel); for (y=0; y < (ssize_t) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; for (x=0; x < (ssize_t) image->columns; x++) { GetPixelInfoPixel(image,p,&pixel); if (pixel.colorspace == LabColorspace) { pixel.green-=(QuantumRange+1)/2.0; pixel.blue-=(QuantumRange+1)/2.0; } if (LocaleCompare(image_info->magick,"SPARSE-COLOR") == 0) { /* Sparse-color format. */ if (GetPixelAlpha(image,p) == (Quantum) OpaqueAlpha) { GetColorTuple(&pixel,MagickFalse,tuple); (void) FormatLocaleString(buffer,MagickPathExtent, "%.20g,%.20g,",(double) x,(double) y); (void) WriteBlobString(image,buffer); (void) WriteBlobString(image,tuple); (void) WriteBlobString(image," "); } p+=GetPixelChannels(image); continue; } (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g,%.20g: ", (double) x,(double) y); (void) WriteBlobString(image,buffer); (void) CopyMagickString(tuple,"(",MagickPathExtent); if (pixel.colorspace == GRAYColorspace) ConcatenateColorComponent(&pixel,GrayPixelChannel,compliance, tuple); else { ConcatenateColorComponent(&pixel,RedPixelChannel,compliance,tuple); (void) ConcatenateMagickString(tuple,",",MagickPathExtent); ConcatenateColorComponent(&pixel,GreenPixelChannel,compliance, tuple); (void) ConcatenateMagickString(tuple,",",MagickPathExtent); ConcatenateColorComponent(&pixel,BluePixelChannel,compliance,tuple); } if (pixel.colorspace == CMYKColorspace) { (void) ConcatenateMagickString(tuple,",",MagickPathExtent); ConcatenateColorComponent(&pixel,BlackPixelChannel,compliance, tuple); } if (pixel.alpha_trait != UndefinedPixelTrait) { (void) ConcatenateMagickString(tuple,",",MagickPathExtent); ConcatenateColorComponent(&pixel,AlphaPixelChannel,compliance, tuple); } (void) ConcatenateMagickString(tuple,")",MagickPathExtent); (void) WriteBlobString(image,tuple); (void) WriteBlobString(image," "); GetColorTuple(&pixel,MagickTrue,tuple); (void) FormatLocaleString(buffer,MagickPathExtent,"%s",tuple); (void) WriteBlobString(image,buffer); (void) WriteBlobString(image," "); (void) QueryColorname(image,&pixel,SVGCompliance,tuple,exception); (void) WriteBlobString(image,tuple); (void) WriteBlobString(image,"\n"); p+=GetPixelChannels(image); } status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } if (GetNextImageInList(image) == (Image *) NULL) break; image=SyncNextImageInList(image); status=SetImageProgress(image,SaveImagesTag,scene++, GetImageListLength(image)); if (status == MagickFalse) break; } while (image_info->adjoin != MagickFalse); (void) CloseBlob(image); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e F I T S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteFITSImage() writes a Flexible Image Transport System image to a % file as gray scale intensities [0..255]. % % The format of the WriteFITSImage method is: % % MagickBooleanType WriteFITSImage(const ImageInfo *image_info, % Image *image) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % */ static MagickBooleanType WriteFITSImage(const ImageInfo *image_info, Image *image) { char header[FITSBlocksize], *fits_info; MagickBooleanType status; QuantumInfo *quantum_info; register const PixelPacket *p; size_t length; ssize_t count, offset, y; unsigned char *pixels; /* 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); if (IsRGBColorspace(image->colorspace) == MagickFalse) (void) TransformImageColorspace(image,RGBColorspace); /* Allocate image memory. */ fits_info=(char *) AcquireQuantumMemory(FITSBlocksize,sizeof(*fits_info)); if (fits_info == (char *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); (void) ResetMagickMemory(fits_info,' ',FITSBlocksize*sizeof(*fits_info)); /* Initialize image header. */ image->depth=GetImageQuantumDepth(image,MagickFalse); quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); if (quantum_info == (QuantumInfo *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); offset=0; (void) FormatLocaleString(header,FITSBlocksize, "SIMPLE = T"); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) FormatLocaleString(header,FITSBlocksize,"BITPIX = %10ld", (long) (quantum_info->format == FloatingPointQuantumFormat ? -1 : 1)* image->depth); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) FormatLocaleString(header,FITSBlocksize,"NAXIS = %10lu", IsGrayImage(image,&image->exception) != MagickFalse ? 2UL : 3UL); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) FormatLocaleString(header,FITSBlocksize,"NAXIS1 = %10lu", (unsigned long) image->columns); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) FormatLocaleString(header,FITSBlocksize,"NAXIS2 = %10lu", (unsigned long) image->rows); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; if (IsGrayImage(image,&image->exception) == MagickFalse) { (void) FormatLocaleString(header,FITSBlocksize, "NAXIS3 = %10lu",3UL); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; } (void) FormatLocaleString(header,FITSBlocksize,"BSCALE = %E",1.0); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) FormatLocaleString(header,FITSBlocksize,"BZERO = %E", image->depth > 8 ? GetFITSPixelRange(image->depth) : 0.0); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) FormatLocaleString(header,FITSBlocksize,"DATAMAX = %E", 1.0*((MagickOffsetType) GetQuantumRange(image->depth))); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) FormatLocaleString(header,FITSBlocksize,"DATAMIN = %E",0.0); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; if (image->endian == LSBEndian) { (void) FormatLocaleString(header,FITSBlocksize,"XENDIAN = 'SMALL'"); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; } (void) FormatLocaleString(header,FITSBlocksize,"HISTORY %.72s", GetMagickVersion((size_t *) NULL)); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) strncpy(header,"END",FITSBlocksize); (void) strncpy(fits_info+offset,header,strlen(header)); offset+=80; (void) WriteBlob(image,FITSBlocksize,(unsigned char *) fits_info); /* Convert image to fits scale PseudoColor class. */ pixels=GetQuantumPixels(quantum_info); if (IsGrayImage(image,&image->exception) != MagickFalse) { length=GetQuantumExtent(image,quantum_info,GrayQuantum); for (y=(ssize_t) image->rows-1; y >= 0; y--) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info, GrayQuantum,pixels,&image->exception); if (image->depth == 16) SetFITSUnsignedPixels(image->columns,image->depth,pixels); if (((image->depth == 32) || (image->depth == 64)) && (quantum_info->format != FloatingPointQuantumFormat)) SetFITSUnsignedPixels(image->columns,image->depth,pixels); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } else { length=GetQuantumExtent(image,quantum_info,RedQuantum); for (y=(ssize_t) image->rows-1; y >= 0; y--) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info, RedQuantum,pixels,&image->exception); if (image->depth == 16) SetFITSUnsignedPixels(image->columns,image->depth,pixels); if (((image->depth == 32) || (image->depth == 64)) && (quantum_info->format != FloatingPointQuantumFormat)) SetFITSUnsignedPixels(image->columns,image->depth,pixels); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } length=GetQuantumExtent(image,quantum_info,GreenQuantum); for (y=(ssize_t) image->rows-1; y >= 0; y--) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info, GreenQuantum,pixels,&image->exception); if (image->depth == 16) SetFITSUnsignedPixels(image->columns,image->depth,pixels); if (((image->depth == 32) || (image->depth == 64)) && (quantum_info->format != FloatingPointQuantumFormat)) SetFITSUnsignedPixels(image->columns,image->depth,pixels); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } length=GetQuantumExtent(image,quantum_info,BlueQuantum); for (y=(ssize_t) image->rows-1; y >= 0; y--) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info, BlueQuantum,pixels,&image->exception); if (image->depth == 16) SetFITSUnsignedPixels(image->columns,image->depth,pixels); if (((image->depth == 32) || (image->depth == 64)) && (quantum_info->format != FloatingPointQuantumFormat)) SetFITSUnsignedPixels(image->columns,image->depth,pixels); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } quantum_info=DestroyQuantumInfo(quantum_info); length=(size_t) (FITSBlocksize-TellBlob(image) % FITSBlocksize); if (length != 0) { (void) ResetMagickMemory(fits_info,0,length*sizeof(*fits_info)); (void) WriteBlob(image,length,(unsigned char *) fits_info); } fits_info=DestroyString(fits_info); (void) CloseBlob(image); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d M A P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadMAPImage() reads an image of raw RGB colormap and colormap index % bytes 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 ReadMAPImage method is: % % Image *ReadMAPImage(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 *ReadMAPImage(const ImageInfo *image_info,ExceptionInfo *exception) { Image *image; IndexPacket index; long y; MagickBooleanType status; register IndexPacket *indexes; register long x; register PixelPacket *q; register long i; register unsigned char *p; size_t packet_size; ssize_t count; unsigned char *colormap, *pixels; unsigned long depth, quantum; /* 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); if ((image->columns == 0) || (image->rows == 0)) ThrowReaderException(OptionError,"MustSpecifyImageSize"); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } /* Initialize image structure. */ image->storage_class=PseudoClass; status=AllocateImageColormap(image,(unsigned long) (image->offset != 0 ? image->offset : 256)); if (status == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); depth=GetImageQuantumDepth(image,MagickTrue); packet_size=(size_t) (depth/8); pixels=(unsigned char *) AcquireQuantumMemory(image->columns,packet_size* sizeof(*pixels)); packet_size=(size_t) (image->colors > 256 ? 6UL : 3UL); colormap=(unsigned char *) AcquireQuantumMemory(image->colors,packet_size* sizeof(*colormap)); if ((pixels == (unsigned char *) NULL) || (colormap == (unsigned char *) NULL)) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); /* Read image colormap. */ count=ReadBlob(image,packet_size*image->colors,colormap); if (count != (ssize_t) (packet_size*image->colors)) ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile"); p=colormap; if (image->depth <= 8) for (i=0; i < (long) image->colors; i++) { image->colormap[i].red=ScaleCharToQuantum(*p++); image->colormap[i].green=ScaleCharToQuantum(*p++); image->colormap[i].blue=ScaleCharToQuantum(*p++); } else for (i=0; i < (long) image->colors; i++) { quantum=(*p++ << 8); quantum|=(*p++); image->colormap[i].red=(Quantum) quantum; quantum=(*p++ << 8); quantum|=(*p++); image->colormap[i].green=(Quantum) quantum; quantum=(*p++ << 8); quantum|=(*p++); image->colormap[i].blue=(Quantum) quantum; } colormap=(unsigned char *) RelinquishMagickMemory(colormap); if (image_info->ping != MagickFalse) { CloseBlob(image); return(GetFirstImageInList(image)); } /* Read image pixels. */ if (SetImageExtent(image,0,0) == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } packet_size=(size_t) (depth/8); for (y=0; y < (long) image->rows; y++) { p=pixels; q=SetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; indexes=GetIndexes(image); count=ReadBlob(image,(size_t) packet_size*image->columns,pixels); if (count != (ssize_t) (packet_size*image->columns)) break; for (x=0; x < (long) image->columns; x++) { index=ConstrainColormapIndex(image,*p); p++; if (image->colors > 256) { index=ConstrainColormapIndex(image,((unsigned long) index << 8)+(*p)); p++; } indexes[x]=(IndexPacket) index; *q++=image->colormap[(long) index]; } if (SyncImagePixels(image) == MagickFalse) break; } pixels=(unsigned char *) RelinquishMagickMemory(pixels); if (y < (long) image->rows) ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e J P 2 I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteJP2Image() writes an image in the JPEG 2000 image format. % % JP2 support originally written by Nathan Brown, [email protected] % % The format of the WriteJP2Image method is: % % MagickBooleanType WriteJP2Image(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 WriteJP2Image(const ImageInfo *image_info,Image *image, ExceptionInfo *exception) { char *key, magick[MaxTextExtent], *options; const char *option; jas_image_cmptparm_t component_info[4]; jas_image_t *jp2_image; jas_matrix_t *pixels[4]; jas_stream_t *jp2_stream; MagickBooleanType status; QuantumAny range; register const Quantum *p; register ssize_t i, x; size_t number_components; ssize_t format, y; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); /* Initialize JPEG 2000 API. */ if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) (void) TransformImageColorspace(image,sRGBColorspace,exception); jp2_stream=JP2StreamManager(image); if (jp2_stream == (jas_stream_t *) NULL) ThrowWriterException(DelegateError,"UnableToManageJP2Stream"); number_components=image->alpha_trait ? 4UL : 3UL; if (IsGrayColorspace(image->colorspace) != MagickFalse) number_components=1; if ((image->columns != (unsigned int) image->columns) || (image->rows != (unsigned int) image->rows)) ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); (void) ResetMagickMemory(&component_info,0,sizeof(component_info)); for (i=0; i < (ssize_t) number_components; i++) { component_info[i].tlx=0; component_info[i].tly=0; component_info[i].hstep=1; component_info[i].vstep=1; component_info[i].width=(unsigned int) image->columns; component_info[i].height=(unsigned int) image->rows; component_info[i].prec=(int) MagickMax(MagickMin(image->depth,16),2); component_info[i].sgnd=MagickFalse; } jp2_image=jas_image_create((int) number_components,component_info, JAS_CLRSPC_UNKNOWN); if (jp2_image == (jas_image_t *) NULL) ThrowWriterException(DelegateError,"UnableToCreateImage"); switch (image->colorspace) { case RGBColorspace: case sRGBColorspace: { /* RGB colorspace. */ jas_image_setclrspc(jp2_image,JAS_CLRSPC_SRGB); jas_image_setcmpttype(jp2_image,0, (jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R)); jas_image_setcmpttype(jp2_image,1, (jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G)); jas_image_setcmpttype(jp2_image,2, (jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)); if (number_components == 4) jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY); break; } case GRAYColorspace: { /* Grayscale colorspace. */ jas_image_setclrspc(jp2_image,JAS_CLRSPC_SGRAY); jas_image_setcmpttype(jp2_image,0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y)); break; } case YCbCrColorspace: { /* YCbCr colorspace. */ jas_image_setclrspc(jp2_image,JAS_CLRSPC_SYCBCR); jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(0)); jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(1)); jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(2)); if (number_components == 4) jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY); break; } case XYZColorspace: { /* XYZ colorspace. */ jas_image_setclrspc(jp2_image,JAS_CLRSPC_CIEXYZ); jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(0)); jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(1)); jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(2)); if (number_components == 4) jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY); break; } case LabColorspace: { /* Lab colorspace. */ jas_image_setclrspc(jp2_image,JAS_CLRSPC_CIELAB); jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(0)); jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(1)); jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(2)); if (number_components == 4) jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY); break; } default: { /* Unknow. */ jas_image_setclrspc(jp2_image,JAS_CLRSPC_UNKNOWN); jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(0)); jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(1)); jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t) JAS_IMAGE_CT_COLOR(2)); if (number_components == 4) jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY); break; } } /* Convert to JPEG 2000 pixels. */ for (i=0; i < (ssize_t) number_components; i++) { pixels[i]=jas_matrix_create(1,(int) image->columns); if (pixels[i] == (jas_matrix_t *) NULL) { for (x=0; x < i; x++) jas_matrix_destroy(pixels[x]); jas_image_destroy(jp2_image); ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); } } range=GetQuantumRange((size_t) component_info[0].prec); for (y=0; y < (ssize_t) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; for (x=0; x < (ssize_t) image->columns; x++) { if (number_components == 1) jas_matrix_setv(pixels[0],x,(jas_seqent_t) ScaleQuantumToAny( GetPixelIntensity(image,p),range)); else { jas_matrix_setv(pixels[0],x,(jas_seqent_t) ScaleQuantumToAny( GetPixelRed(image,p),range)); jas_matrix_setv(pixels[1],x,(jas_seqent_t) ScaleQuantumToAny( GetPixelGreen(image,p),range)); jas_matrix_setv(pixels[2],x,(jas_seqent_t) ScaleQuantumToAny( GetPixelBlue(image,p),range)); if (number_components > 3) jas_matrix_setv(pixels[3],x,(jas_seqent_t) ScaleQuantumToAny( GetPixelAlpha(image,p),range)); } p+=GetPixelChannels(image); } for (i=0; i < (ssize_t) number_components; i++) (void) jas_image_writecmpt(jp2_image,(short) i,0,(unsigned int) y, (unsigned int) image->columns,1,pixels[i]); status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } (void) CopyMagickString(magick,image_info->magick,MaxTextExtent); if (LocaleCompare(magick,"J2C") == 0) (void) CopyMagickString(magick,"JPC",MaxTextExtent); LocaleLower(magick); format=jas_image_strtofmt(magick); options=(char *) NULL; ResetImageOptionIterator(image_info); key=GetNextImageOption(image_info); for ( ; key != (char *) NULL; key=GetNextImageOption(image_info)) { option=GetImageOption(image_info,key); if (option == (const char *) NULL) continue; if (LocaleNCompare(key,"jp2:",4) == 0) { (void) ConcatenateString(&options,key+4); if (*option != '\0') { (void) ConcatenateString(&options,"="); (void) ConcatenateString(&options,option); } (void) ConcatenateString(&options," "); } } option=GetImageOption(image_info,"jp2:rate"); if ((option == (const char *) NULL) && (image_info->compression != LosslessJPEGCompression) && (image->quality != UndefinedCompressionQuality) && ((double) image->quality <= 99.5) && ((image->rows*image->columns) > 2500)) { char option[MaxTextExtent]; double alpha, header_size, number_pixels, rate, target_size; alpha=115.0-image->quality; rate=100.0/(alpha*alpha); header_size=550.0; header_size+=(number_components-1)*142; number_pixels=(double) image->rows*image->columns*number_components* (GetImageQuantumDepth(image,MagickTrue)/8); target_size=(number_pixels*rate)+header_size; rate=target_size/number_pixels; (void) FormatLocaleString(option,MaxTextExtent,"rate=%g",rate); (void) ConcatenateString(&options,option); } status=jas_image_encode(jp2_image,jp2_stream,format,options) != 0 ? MagickTrue : MagickFalse; if (options != (char *) NULL) options=DestroyString(options); (void) jas_stream_close(jp2_stream); for (i=0; i < (ssize_t) number_components; i++) jas_matrix_destroy(pixels[i]); jas_image_destroy(jp2_image); if (status != MagickFalse) ThrowWriterException(DelegateError,"UnableToEncodeImageFile"); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e J P 2 I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteJP2Image() writes an image in the JPEG 2000 image format. % % JP2 support originally written by Nathan Brown, [email protected] % % The format of the WriteJP2Image method is: % % MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % */ static MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image) { char *key, magick[MaxTextExtent], *options; const char *option; long format, y; jas_image_cmptparm_t component_info[4]; jas_image_t *jp2_image; jas_matrix_t *pixels[4]; jas_stream_t *jp2_stream; MagickBooleanType status; QuantumAny range; register const PixelPacket *p; register long i, x; unsigned short *map; unsigned long number_components; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); if (status == MagickFalse) return(status); /* Intialize JPEG 2000 API. */ if (image->colorspace != RGBColorspace) (void) TransformImageColorspace(image,RGBColorspace); jp2_stream=JP2StreamManager(image); if (jp2_stream == (jas_stream_t *) NULL) ThrowWriterException(DelegateError,"UnableToManageJP2Stream"); number_components=image->matte ? 4UL : 3UL; if ((image_info->type != TrueColorType) && IsGrayImage(image,&image->exception)) number_components=1; if ((image->columns != (unsigned int) image->columns) || (image->rows != (unsigned int) image->rows)) ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); (void) ResetMagickMemory(&component_info,0,sizeof(component_info)); for (i=0; i < (long) number_components; i++) { component_info[i].tlx=0; component_info[i].tly=0; component_info[i].hstep=1; component_info[i].vstep=1; component_info[i].width=(unsigned int) image->columns; component_info[i].height=(unsigned int) image->rows; component_info[i].prec=(int) MagickMax(MagickMin(image->depth,16),2); component_info[i].sgnd=MagickFalse; } jp2_image=jas_image_create((int) number_components,component_info, JAS_CLRSPC_UNKNOWN); if (jp2_image == (jas_image_t *) NULL) ThrowWriterException(DelegateError,"UnableToCreateImage"); if (number_components == 1) { /* sRGB Grayscale. */ jas_image_setclrspc(jp2_image,JAS_CLRSPC_SGRAY); jas_image_setcmpttype(jp2_image,0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y)); } else { /* sRGB. */ jas_image_setclrspc(jp2_image,JAS_CLRSPC_SRGB); jas_image_setcmpttype(jp2_image,0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R)); jas_image_setcmpttype(jp2_image,1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G)); jas_image_setcmpttype(jp2_image,2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)); if (number_components == 4) jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY); } /* Convert to JPEG 2000 pixels. */ for (i=0; i < (long) number_components; i++) { pixels[i]=jas_matrix_create(1,(int) image->columns); if (pixels[i] == (jas_matrix_t *) NULL) { for (x=0; x < i; x++) jas_matrix_destroy(pixels[x]); jas_image_destroy(jp2_image); ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); } } range=GetQuantumRange((unsigned long) component_info[0].prec); map=(unsigned short *) AcquireQuantumMemory(MaxMap+1,sizeof(*map)); for (i=0; i <= (long) MaxMap; i++) map[i]=(unsigned short) ScaleQuantumToMap((Quantum) ScaleQuantumToAny((Quantum) i,range)); if (map == (unsigned short *) NULL) { for (i=0; i < (long) number_components; i++) jas_matrix_destroy(pixels[i]); jas_image_destroy(jp2_image); ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); } for (y=0; y < (long) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; for (x=0; x < (long) image->columns; x++) { if (number_components == 1) jas_matrix_setv(pixels[0],x,map[ScaleQuantumToMap( PixelIntensityToQuantum(p))]); else { jas_matrix_setv(pixels[0],x,map[ScaleQuantumToMap(p->red)]); jas_matrix_setv(pixels[1],x,map[ScaleQuantumToMap(p->green)]); jas_matrix_setv(pixels[2],x,map[ScaleQuantumToMap(p->blue)]); if (number_components > 3) jas_matrix_setv(pixels[3],x,map[ScaleQuantumToMap((Quantum) (QuantumRange-p->opacity))]); } p++; } for (i=0; i < (long) number_components; i++) (void) jas_image_writecmpt(jp2_image,(short) i,0,(unsigned int) y, (unsigned int) image->columns,1,pixels[i]); status=SetImageProgress(image,SaveImageTag,y,image->rows); if (status == MagickFalse) break; } map=(unsigned short *) RelinquishMagickMemory(map); (void) CopyMagickString(magick,image_info->magick,MaxTextExtent); LocaleLower(magick); format=jas_image_strtofmt(magick); options=(char *) NULL; ResetImageOptionIterator(image_info); key=GetNextImageOption(image_info); while (key != (char *) NULL) { option=GetImageOption(image_info,key); if (option != (const char *) NULL) { if (LocaleNCompare(key,"jp2:",4) == 0) { (void) ConcatenateString(&options,key+4); if (*option != '\0') { (void) ConcatenateString(&options,"="); (void) ConcatenateString(&options,option); } (void) ConcatenateString(&options," "); } } key=GetNextImageOption(image_info); } option=GetImageOption(image_info,"jp2:rate"); if ((option == (const char *) NULL) && (image_info->compression != LosslessJPEGCompression) && (image->quality != UndefinedCompressionQuality) && ((double) image->quality <= 99.5) && ((image->rows*image->columns) > 2500)) { char option[MaxTextExtent]; double alpha, header_size, number_pixels, rate, target_size; alpha=115.0-image->quality; rate=100.0/(alpha*alpha); header_size=550.0; header_size+=(number_components-1)*142; number_pixels=(double) image->rows*image->columns*number_components* (GetImageQuantumDepth(image,MagickTrue)/8); target_size=(number_pixels*rate)+header_size; rate=target_size/number_pixels; (void) FormatMagickString(option,MaxTextExtent,"rate=%g",rate); (void) ConcatenateString(&options,option); } status=jas_image_encode(jp2_image,jp2_stream,format,options) != 0 ? MagickTrue : MagickFalse; (void) jas_stream_close(jp2_stream); for (i=0; i < (long) number_components; i++) jas_matrix_destroy(pixels[i]); jas_image_destroy(jp2_image); if (status != MagickFalse) ThrowWriterException(DelegateError,"UnableToEncodeImageFile"); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e M A P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteMAPImage() writes an image to a file as red, green, and blue % colormap bytes followed by the colormap indexes. % % The format of the WriteMAPImage method is: % % MagickBooleanType WriteMAPImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: The image info. % % o image: The image. % % */ static MagickBooleanType WriteMAPImage(const ImageInfo *image_info,Image *image) { long y; MagickBooleanType status; register IndexPacket *indexes; register const PixelPacket *p; register long i, x; register unsigned char *q; size_t packet_size; unsigned char *colormap, *pixels; unsigned long depth; /* 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); if (image_info->colorspace == UndefinedColorspace) (void) SetImageColorspace(image,RGBColorspace); /* Allocate colormap. */ if (IsPaletteImage(image,&image->exception) == MagickFalse) (void) SetImageType(image,PaletteType); depth=GetImageQuantumDepth(image,MagickTrue); packet_size=(size_t) (depth/8); pixels=(unsigned char *) AcquireQuantumMemory(image->columns,packet_size* sizeof(*pixels)); packet_size=(size_t) (image->colors > 256 ? 6UL : 3UL); colormap=(unsigned char *) AcquireQuantumMemory(image->colors,packet_size* sizeof(*colormap)); if ((pixels == (unsigned char *) NULL) || (colormap == (unsigned char *) NULL)) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); /* Write colormap to file. */ q=colormap; if (image->depth <= 8) for (i=0; i < (long) image->colors; i++) { *q++=(unsigned char) image->colormap[i].red; *q++=(unsigned char) image->colormap[i].green; *q++=(unsigned char) image->colormap[i].blue; } else for (i=0; i < (long) image->colors; i++) { *q++=(unsigned char) ((unsigned long) image->colormap[i].red >> 8); *q++=(unsigned char) image->colormap[i].red; *q++=(unsigned char) ((unsigned long) image->colormap[i].green >> 8); *q++=(unsigned char) image->colormap[i].green; *q++=(unsigned char) ((unsigned long) image->colormap[i].blue >> 8); *q++=(unsigned char) image->colormap[i].blue; } (void) WriteBlob(image,packet_size*image->colors,colormap); colormap=(unsigned char *) RelinquishMagickMemory(colormap); /* Write image pixels to file. */ 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; for (x=0; x < (long) image->columns; x++) { if (image->colors > 256) *q++=(unsigned char) ((unsigned long) indexes[x] >> 8); *q++=(unsigned char) indexes[x]; } (void) WriteBlob(image,(size_t) (q-pixels),pixels); } pixels=(unsigned char *) RelinquishMagickMemory(pixels); CloseBlob(image); return(status); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e T X T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteTXTImage writes the pixel values as text numbers. % % The format of the WriteTXTImage method is: % % MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % */ static MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image) { char buffer[MaxTextExtent], colorspace[MaxTextExtent], tuple[MaxTextExtent]; long y; MagickBooleanType status; MagickPixelPacket pixel; register const IndexPacket *indexes; register const PixelPacket *p; register long x; /* 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,WriteBlobMode,&image->exception); if (status == MagickFalse) return(status); (void) CopyMagickString(colorspace,MagickOptionToMnemonic( MagickColorspaceOptions,(long) image->colorspace),MaxTextExtent); LocaleLower(colorspace); image->depth=GetImageQuantumDepth(image,MagickTrue); if (image->matte != MagickFalse) (void) ConcatenateMagickString(colorspace,"a",MaxTextExtent); (void) FormatMagickString(buffer,MaxTextExtent, "# ImageMagick pixel enumeration: %lu,%lu,%lu,%s\n",image->columns, image->rows,(unsigned long) GetQuantumRange(image->depth),colorspace); (void) WriteBlobString(image,buffer); GetMagickPixelPacket(image,&pixel); for (y=0; y < (long) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; indexes=GetVirtualIndexQueue(image); for (x=0; x < (long) image->columns; x++) { (void) FormatMagickString(buffer,MaxTextExtent,"%ld,%ld: ",x,y); (void) WriteBlobString(image,buffer); SetMagickPixelPacket(image,p,indexes+x,&pixel); (void) CopyMagickString(tuple,"(",MaxTextExtent); ConcatenateColorComponent(&pixel,RedChannel,X11Compliance,tuple); (void) ConcatenateMagickString(tuple,",",MaxTextExtent); ConcatenateColorComponent(&pixel,GreenChannel,X11Compliance,tuple); (void) ConcatenateMagickString(tuple,",",MaxTextExtent); ConcatenateColorComponent(&pixel,BlueChannel,X11Compliance,tuple); if (pixel.colorspace == CMYKColorspace) { (void) ConcatenateMagickString(tuple,",",MaxTextExtent); ConcatenateColorComponent(&pixel,IndexChannel,X11Compliance,tuple); } if (pixel.matte != MagickFalse) { (void) ConcatenateMagickString(tuple,",",MaxTextExtent); ConcatenateColorComponent(&pixel,AlphaChannel,X11Compliance,tuple); } (void) ConcatenateMagickString(tuple,")",MaxTextExtent); (void) WriteBlobString(image,tuple); (void) WriteBlobString(image," "); GetColorTuple(&pixel,MagickTrue,tuple); (void) FormatMagickString(buffer,MaxTextExtent,"%s",tuple); (void) WriteBlobString(image,buffer); (void) WriteBlobString(image," "); (void) QueryMagickColorname(image,&pixel,SVGCompliance,tuple, &image->exception); (void) WriteBlobString(image,tuple); (void) WriteBlobString(image,"\n"); p++; } status=SetImageProgress(image,SaveImageTag,y,image->rows); if (status == MagickFalse) break; } (void) CloseBlob(image); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d R G B I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadRGBImage() reads an image of raw red, green, and blue 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 ReadRGBImage method is: % % Image *ReadRGBImage(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 *ReadRGBImage(const ImageInfo *image_info,ExceptionInfo *exception) { Image *image; long y; MagickBooleanType status; MagickOffsetType offset; register long i; register PixelPacket *q; ssize_t count; size_t packet_size; unsigned char *scanline; unsigned long depth, width; 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); if ((image->columns == 0) || (image->rows == 0)) ThrowReaderException(OptionError,"MustSpecifyImageSize"); if (image_info->interlace != PartitionInterlace) { /* Open image file. */ status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } for (i=0; i < image->offset; i++) (void) ReadBlobByte(image); } /* Allocate memory for a scanline. */ depth=GetImageQuantumDepth(image,MagickTrue); packet_size=(size_t) (3*depth/8); if ((LocaleCompare(image_info->magick,"RGBA") == 0) || (LocaleCompare(image_info->magick,"RGBO") == 0)) { packet_size+=depth/8; image->matte=MagickTrue; } scanline=(unsigned char *) AcquireMagickMemory(packet_size*image->extract_info.width); if (scanline == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); if (image_info->number_scenes != 0) while (image->scene < image_info->scene) { /* Skip to next image. */ image->scene++; for (y=0; y < (long) image->rows; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } } offset=(MagickOffsetType) (packet_size*image->extract_info.x); do { /* Convert raster image to pixel packets. */ if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; switch (image_info->interlace) { case NoInterlace: default: { /* No interlacing: RGBRGBRGBRGBRGBRGB... */ for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } for (y=0; y < (long) image->rows; y++) { if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL)) { count=ReadBlob(image,packet_size*image->extract_info.width, scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } q=SetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; if (image->matte == MagickFalse) (void) ExportQuantumPixels(image,RGBQuantum,0,scanline+offset); else if (LocaleCompare(image_info->magick,"RGBA") == 0) (void) ExportQuantumPixels(image,RGBAQuantum,0,scanline+offset); else (void) ExportQuantumPixels(image,RGBOQuantum,0,scanline+offset); if (SyncImagePixels(image) == MagickFalse) break; if (image->previous == (Image *) NULL) if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (QuantumTick(y,image->rows) != MagickFalse)) { status=image->progress_monitor(LoadImageTag,y,image->rows, image->client_data); if (status == MagickFalse) break; } } width=image->extract_info.height-image->rows-image->extract_info.y; for (i=0; i < (long) width; i++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } break; } case LineInterlace: { /* Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... */ packet_size=(size_t) (image->depth > 8 ? 2 : 1); for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } for (y=0; y < (long) image->rows; y++) { if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL)) { count=ReadBlob(image,packet_size*image->extract_info.width, scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } q=SetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; (void) ExportQuantumPixels(image,RedQuantum,0,scanline+offset); count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; (void) ExportQuantumPixels(image,GreenQuantum,0,scanline+offset); count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; (void) ExportQuantumPixels(image,BlueQuantum,0,scanline+offset); if (image->matte != MagickFalse) { count=ReadBlob(image,packet_size*image->extract_info.width, scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; if (LocaleCompare(image_info->magick,"RGBA") == 0) (void) ExportQuantumPixels(image,AlphaQuantum,0, scanline+offset); else (void) ExportQuantumPixels(image,OpacityQuantum,0, scanline+offset); } if (SyncImagePixels(image) == MagickFalse) break; if (image->previous == (Image *) NULL) if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (QuantumTick(y,image->rows) != MagickFalse)) { status=image->progress_monitor(LoadImageTag,y,image->rows, image->client_data); if (status == MagickFalse) break; } } width=image->extract_info.height-image->rows-image->extract_info.y; for (i=0; i < (long) width; i++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } break; } case PlaneInterlace: case PartitionInterlace: { unsigned long span; /* Plane interlacing: RRRRRR...GGGGGG...BBBBBB... */ if (image_info->interlace == PartitionInterlace) { AppendImageFormat("R",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } } packet_size=(size_t) (image->depth > 8 ? 2 : 1); for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } i=0; span=image->rows*(image->matte != MagickFalse ? 4 : 3); for (y=0; y < (long) image->rows; y++) { if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL)) { count=ReadBlob(image,packet_size*image->extract_info.width, scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } q=SetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; (void) ExportQuantumPixels(image,RedQuantum,0,scanline+offset); if (SyncImagePixels(image) == MagickFalse) break; if (image->previous == (Image *) NULL) if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (QuantumTick(i,span) != MagickFalse)) { status=image->progress_monitor(LoadImageTag,i,span, image->client_data); if (status == MagickFalse) break; } i++; } width=image->extract_info.height-image->rows-image->extract_info.y; for (i=0; i < (long) width; i++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } if (image_info->interlace == PartitionInterlace) { CloseBlob(image); AppendImageFormat("G",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } } for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } for (y=0; y < (long) image->rows; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; q=GetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; (void) ExportQuantumPixels(image,GreenQuantum,0,scanline+offset); if (SyncImagePixels(image) == MagickFalse) break; if (image->previous == (Image *) NULL) if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (QuantumTick(i,span) != MagickFalse)) { status=image->progress_monitor(LoadImageTag,i,span, image->client_data); if (status == MagickFalse) break; } i++; } width=image->extract_info.height-image->rows-image->extract_info.y; for (i=0; i < (long) width; i++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } if (image_info->interlace == PartitionInterlace) { CloseBlob(image); AppendImageFormat("B",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } } for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } for (y=0; y < (long) image->rows; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; q=GetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; (void) ExportQuantumPixels(image,BlueQuantum,0,scanline+offset); if (SyncImagePixels(image) == MagickFalse) break; if (image->previous == (Image *) NULL) if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (QuantumTick(i,span) != MagickFalse)) { status=image->progress_monitor(LoadImageTag,i,span, image->client_data); if (status == MagickFalse) break; } i++; } width=image->extract_info.height-image->rows-image->extract_info.y; for (i=0; i < (long) width; i++) { count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } if (image->matte != MagickFalse) { /* Read matte channel. */ if (image_info->interlace == PartitionInterlace) { CloseBlob(image); AppendImageFormat("A",image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } } for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width, scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } for (y=0; y < (long) image->rows; y++) { count=ReadBlob(image,packet_size*image->extract_info.width, scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; q=GetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; if (LocaleCompare(image_info->magick,"RGBA") == 0) (void) ExportQuantumPixels(image,AlphaQuantum,0, scanline+offset); else (void) ExportQuantumPixels(image,OpacityQuantum,0, scanline+offset); if (SyncImagePixels(image) == MagickFalse) break; if (image->previous == (Image *) NULL) if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (QuantumTick(i,span) != MagickFalse)) { status=image->progress_monitor(LoadImageTag,i,span, image->client_data); if (status == MagickFalse) break; } i++; } width=image->extract_info.height-image->rows-image->extract_info.y; for (i=0; i < (long) width; i++) { count=ReadBlob(image,packet_size*image->extract_info.width, scanline); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; } } if (image_info->interlace == PartitionInterlace) (void) CopyMagickString(image->filename,image_info->filename, MaxTextExtent); break; } } if (y < (long) image->rows) { 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; if (image_info->interlace == PartitionInterlace) break; count=ReadBlob(image,packet_size*image->extract_info.width,scanline); if (count == (ssize_t) (packet_size*image->extract_info.width)) { /* 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 ((size_t) count == (packet_size*image->extract_info.width)); scanline=(unsigned char *) RelinquishMagickMemory(scanline); CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e R G B I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteRGBImage() writes an image to a file in red, green, and blue % rasterfile format. % % The format of the WriteRGBImage method is: % % MagickBooleanType WriteRGBImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: The image info. % % o image: The image. % % */ static MagickBooleanType WriteRGBImage(const ImageInfo *image_info,Image *image) { long y; MagickBooleanType status; MagickOffsetType scene; register const PixelPacket *p; size_t packet_size; unsigned char *pixels; unsigned long depth; /* Allocate memory for pixels. */ 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); depth=GetImageQuantumDepth(image,MagickTrue); packet_size=(size_t) (3*depth/8); if ((LocaleCompare(image_info->magick,"RGBA") == 0) || (LocaleCompare(image_info->magick,"RGBO") == 0)) packet_size+=depth/8; pixels=(unsigned char *) AcquireMagickMemory(packet_size*image->columns*sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); if (image_info->interlace != PartitionInterlace) { /* Open output image file. */ status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); if (status == MagickFalse) return(status); } scene=0; do { /* Convert MIFF to RGB raster pixels. */ (void) SetImageColorspace(image,RGBColorspace); if (LocaleCompare(image_info->magick,"RGBA") == 0) if (image->matte == MagickFalse) SetImageOpacity(image,OpaqueOpacity); switch (image_info->interlace) { case NoInterlace: default: { /* No interlacing: RGBRGBRGBRGBRGBRGB... */ for (y=0; y < (long) image->rows; y++) { p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; if (LocaleCompare(image_info->magick,"RGBA") != 0) { (void) ImportQuantumPixels(image,RGBQuantum,0,pixels); (void) WriteBlob(image,packet_size*image->columns,pixels); } else { if (LocaleCompare(image_info->magick,"RGBA") == 0) (void) ImportQuantumPixels(image,RGBAQuantum,0,pixels); else (void) ImportQuantumPixels(image,RGBOQuantum,0,pixels); (void) WriteBlob(image,packet_size*image->columns,pixels); } 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; } } break; } case LineInterlace: { /* Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... */ for (y=0; y < (long) image->rows; y++) { p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; (void) ImportQuantumPixels(image,RedQuantum,0,pixels); (void) WriteBlob(image,(size_t) image->columns,pixels); (void) ImportQuantumPixels(image,GreenQuantum,0,pixels); (void) WriteBlob(image,(size_t) image->columns,pixels); (void) ImportQuantumPixels(image,BlueQuantum,0,pixels); (void) WriteBlob(image,(size_t) image->columns,pixels); if (LocaleCompare(image_info->magick,"RGBA") == 0) { if (LocaleCompare(image_info->magick,"RGBA") == 0) (void) ImportQuantumPixels(image,AlphaQuantum,0,pixels); else (void) ImportQuantumPixels(image,OpacityQuantum,0,pixels); (void) WriteBlob(image,(size_t) image->columns,pixels); } 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; } } break; } case PlaneInterlace: case PartitionInterlace: { /* Plane interlacing: RRRRRR...GGGGGG...BBBBBB... */ if (image_info->interlace == PartitionInterlace) { AppendImageFormat("R",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode, &image->exception); if (status == MagickFalse) return(status); } for (y=0; y < (long) image->rows; y++) { p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; (void) ImportQuantumPixels(image,RedQuantum,0,pixels); (void) WriteBlob(image,(size_t) image->columns,pixels); } if (image_info->interlace == PartitionInterlace) { CloseBlob(image); AppendImageFormat("G",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode, &image->exception); if (status == MagickFalse) return(status); } if (image->progress_monitor != (MagickProgressMonitor) NULL) { status=image->progress_monitor(LoadImageTag,100,400, image->client_data); if (status == MagickFalse) break; } for (y=0; y < (long) image->rows; y++) { p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; (void) ImportQuantumPixels(image,GreenQuantum,0,pixels); (void) WriteBlob(image,(size_t) image->columns,pixels); } if (image_info->interlace == PartitionInterlace) { CloseBlob(image); AppendImageFormat("B",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode, &image->exception); if (status == MagickFalse) return(status); } if (image->progress_monitor != (MagickProgressMonitor) NULL) { status=image->progress_monitor(LoadImageTag,200,400, image->client_data); if (status == MagickFalse) break; } for (y=0; y < (long) image->rows; y++) { p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; (void) ImportQuantumPixels(image,BlueQuantum,0,pixels); (void) WriteBlob(image,(size_t) image->columns,pixels); } if (LocaleCompare(image_info->magick,"RGBA") == 0) { if (image->progress_monitor != (MagickProgressMonitor) NULL) { status=image->progress_monitor(LoadImageTag,300,400, image->client_data); if (status == MagickFalse) break; } if (image_info->interlace == PartitionInterlace) { CloseBlob(image); AppendImageFormat("A",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode, &image->exception); if (status == MagickFalse) return(status); } for (y=0; y < (long) image->rows; y++) { p=AcquireImagePixels(image,0,y,image->columns,1, &image->exception); if (p == (const PixelPacket *) NULL) break; if (LocaleCompare(image_info->magick,"RGBA") == 0) (void) ImportQuantumPixels(image,AlphaQuantum,0,pixels); else (void) ImportQuantumPixels(image,OpacityQuantum,0,pixels); (void) WriteBlob(image,(size_t) image->columns,pixels); } } if (image_info->interlace == PartitionInterlace) (void) CopyMagickString(image->filename,image_info->filename, MaxTextExtent); if (image->progress_monitor != (MagickProgressMonitor) NULL) { status=image->progress_monitor(LoadImageTag,400,400, image->client_data); if (status == MagickFalse) break; } break; } } 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); pixels=(unsigned char *) RelinquishMagickMemory(pixels); CloseBlob(image); return(MagickTrue); }