| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % CCC U U TTTTT % |
| % C U U T % |
| % C U U T % |
| % C U U T % |
| % CCC UUU T % |
| % % |
| % % |
| % Read DR Halo Image Format % |
| % % |
| % Software Design % |
| % Jaroslav Fojtik % |
| % June 2000 % |
| % % |
| % % |
| % Permission is hereby granted, free of charge, to any person obtaining a % |
| % copy of this software and associated documentation files ("ImageMagick"), % |
| % to deal in ImageMagick without restriction, including without limitation % |
| % the rights to use, copy, modify, merge, publish, distribute, sublicense, % |
| % and/or sell copies of ImageMagick, and to permit persons to whom the % |
| % ImageMagick is furnished to do so, subject to the following conditions: % |
| % % |
| % The above copyright notice and this permission notice shall be included in % |
| % all copies or substantial portions of ImageMagick. % |
| % % |
| % The software is provided "as is", without warranty of any kind, express or % |
| % implied, including but not limited to the warranties of merchantability, % |
| % fitness for a particular purpose and noninfringement. In no event shall % |
| % ImageMagick Studio be liable for any claim, damages or other liability, % |
| % whether in an action of contract, tort or otherwise, arising from, out of % |
| % or in connection with ImageMagick or the use or other dealings in % |
| % ImageMagick. % |
| % % |
| % Except as contained in this notice, the name of the ImageMagick Studio % |
| % shall not be used in advertising or otherwise to promote the sale, use or % |
| % other dealings in ImageMagick without prior written authorization from the % |
| % ImageMagick Studio. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % |
| */ |
| |
| /* |
| Include declarations. |
| */ |
| #include "MagickCore/studio.h" |
| #include "MagickCore/attribute.h" |
| #include "MagickCore/blob.h" |
| #include "MagickCore/blob-private.h" |
| #include "MagickCore/cache.h" |
| #include "MagickCore/color.h" |
| #include "MagickCore/color-private.h" |
| #include "MagickCore/colormap.h" |
| #include "MagickCore/colormap-private.h" |
| #include "MagickCore/exception.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/image.h" |
| #include "MagickCore/image-private.h" |
| #include "MagickCore/list.h" |
| #include "MagickCore/magick.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/pixel-accessor.h" |
| #include "MagickCore/quantum-private.h" |
| #include "MagickCore/static.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/module.h" |
| #include "MagickCore/utility.h" |
| #include "MagickCore/utility-private.h" |
| |
| typedef struct |
| { |
| unsigned Width; |
| unsigned Height; |
| unsigned Reserved; |
| } CUTHeader; |
| |
| typedef struct |
| { |
| char FileId[2]; |
| unsigned Version; |
| unsigned Size; |
| char FileType; |
| char SubType; |
| unsigned BoardID; |
| unsigned GraphicsMode; |
| unsigned MaxIndex; |
| unsigned MaxRed; |
| unsigned MaxGreen; |
| unsigned MaxBlue; |
| char PaletteId[20]; |
| } CUTPalHeader; |
| |
| |
| static MagickBooleanType InsertRow(Image *image,ssize_t bpp,unsigned char *p, |
| ssize_t y,ExceptionInfo *exception) |
| { |
| int |
| bit; |
| |
| Quantum |
| index; |
| |
| register Quantum |
| *q; |
| |
| ssize_t |
| x; |
| |
| q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| if (q == (Quantum *) NULL) |
| return(MagickFalse); |
| switch (bpp) |
| { |
| case 1: /* Convert bitmap scanline. */ |
| { |
| for (x=0; x < ((ssize_t) image->columns-7); x+=8) |
| { |
| for (bit=0; bit < 8; bit++) |
| { |
| index=((*p) & (0x80 >> bit) ? 0x01 : 0x00); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| } |
| p++; |
| } |
| if ((image->columns % 8) != 0) |
| { |
| for (bit=0; bit < (ssize_t) (image->columns % 8); bit++) |
| { |
| index=((*p) & (0x80 >> bit) ? 0x01 : 0x00); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| } |
| p++; |
| } |
| break; |
| } |
| case 2: /* Convert PseudoColor scanline. */ |
| { |
| for (x=0; x < ((ssize_t) image->columns-3); x+=4) |
| { |
| index=ConstrainColormapIndex(image,(*p >> 6) & 0x3,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| index=ConstrainColormapIndex(image,(*p >> 4) & 0x3,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| index=ConstrainColormapIndex(image,(*p >> 2) & 0x3,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| index=ConstrainColormapIndex(image,(*p) & 0x3,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| p++; |
| } |
| if ((image->columns % 4) != 0) |
| { |
| index=ConstrainColormapIndex(image,(*p >> 6) & 0x3,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| if ((image->columns % 4) > 1) |
| { |
| index=ConstrainColormapIndex(image,(*p >> 4) & 0x3,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| if ((image->columns % 4) > 2) |
| { |
| index=ConstrainColormapIndex(image,(*p >> 2) & 0x3, |
| exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) |
| index,q); |
| q+=GetPixelChannels(image); |
| } |
| } |
| p++; |
| } |
| break; |
| } |
| |
| case 4: /* Convert PseudoColor scanline. */ |
| { |
| for (x=0; x < ((ssize_t) image->columns-1); x+=2) |
| { |
| index=ConstrainColormapIndex(image,(*p >> 4) & 0x0f,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| q+=GetPixelChannels(image); |
| index=ConstrainColormapIndex(image,(*p) & 0x0f,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| p++; |
| q+=GetPixelChannels(image); |
| } |
| if ((image->columns % 2) != 0) |
| { |
| index=ConstrainColormapIndex(image,(*p >> 4) & 0x0f,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| p++; |
| q+=GetPixelChannels(image); |
| } |
| break; |
| } |
| case 8: /* Convert PseudoColor scanline. */ |
| { |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| index=ConstrainColormapIndex(image,*p,exception); |
| SetPixelIndex(image,index,q); |
| if (index < image->colors) |
| SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q); |
| p++; |
| q+=GetPixelChannels(image); |
| } |
| } |
| break; |
| |
| case 24: /* Convert DirectColor scanline. */ |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| SetPixelRed(image,ScaleCharToQuantum(*p++),q); |
| SetPixelGreen(image,ScaleCharToQuantum(*p++),q); |
| SetPixelBlue(image,ScaleCharToQuantum(*p++),q); |
| q+=GetPixelChannels(image); |
| } |
| break; |
| } |
| if (!SyncAuthenticPixels(image,exception)) |
| return(MagickFalse); |
| return(MagickTrue); |
| } |
| |
| /* |
| Compute the number of colors in Grayed R[i]=G[i]=B[i] image |
| */ |
| static int GetCutColors(Image *image,ExceptionInfo *exception) |
| { |
| Quantum |
| intensity, |
| scale_intensity; |
| |
| register Quantum |
| *q; |
| |
| ssize_t |
| x, |
| y; |
| |
| intensity=0; |
| scale_intensity=ScaleCharToQuantum(16); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| q=GetAuthenticPixels(image,0,y,image->columns,1,exception); |
| if (q == (Quantum *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| if (intensity < GetPixelRed(image,q)) |
| intensity=GetPixelRed(image,q); |
| if (intensity >= scale_intensity) |
| return(255); |
| q+=GetPixelChannels(image); |
| } |
| } |
| if (intensity < ScaleCharToQuantum(2)) |
| return(2); |
| if (intensity < ScaleCharToQuantum(16)) |
| return(16); |
| return((int) intensity); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e a d C U T I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % ReadCUTImage() reads an CUT X 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 ReadCUTImage method is: |
| % |
| % Image *ReadCUTImage(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 *ReadCUTImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| { |
| #define ThrowCUTReaderException(severity,tag) \ |
| { \ |
| if (palette != NULL) \ |
| palette=DestroyImage(palette); \ |
| if (clone_info != NULL) \ |
| clone_info=DestroyImageInfo(clone_info); \ |
| ThrowReaderException(severity,tag); \ |
| } |
| |
| Image *image,*palette; |
| ImageInfo *clone_info; |
| MagickBooleanType status; |
| |
| MagickOffsetType |
| offset; |
| |
| size_t EncodedByte; |
| unsigned char RunCount,RunValue,RunCountMasked; |
| CUTHeader Header; |
| CUTPalHeader PalHeader; |
| ssize_t depth; |
| ssize_t i,j; |
| ssize_t ldblk; |
| unsigned char *BImgBuff=NULL,*ptrB; |
| register Quantum *q; |
| |
| /* |
| Open image file. |
| */ |
| assert(image_info != (const ImageInfo *) NULL); |
| assert(image_info->signature == MagickCoreSignature); |
| if (image_info->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| image_info->filename); |
| assert(exception != (ExceptionInfo *) NULL); |
| assert(exception->signature == MagickCoreSignature); |
| image=AcquireImage(image_info,exception); |
| status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| if (status == MagickFalse) |
| { |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| /* |
| Read CUT image. |
| */ |
| palette=NULL; |
| clone_info=NULL; |
| Header.Width=ReadBlobLSBShort(image); |
| Header.Height=ReadBlobLSBShort(image); |
| Header.Reserved=ReadBlobLSBShort(image); |
| |
| if (Header.Width==0 || Header.Height==0 || Header.Reserved!=0) |
| CUT_KO: ThrowCUTReaderException(CorruptImageError,"ImproperImageHeader"); |
| |
| /*---This code checks first line of image---*/ |
| EncodedByte=ReadBlobLSBShort(image); |
| RunCount=(unsigned char) ReadBlobByte(image); |
| RunCountMasked=RunCount & 0x7F; |
| ldblk=0; |
| while((int) RunCountMasked!=0) /*end of line?*/ |
| { |
| i=1; |
| if((int) RunCount<0x80) i=(ssize_t) RunCountMasked; |
| offset=SeekBlob(image,TellBlob(image)+i,SEEK_SET); |
| if (offset < 0) |
| ThrowCUTReaderException(CorruptImageError,"ImproperImageHeader"); |
| if(EOFBlob(image) != MagickFalse) goto CUT_KO; /*wrong data*/ |
| EncodedByte-=i+1; |
| ldblk+=(ssize_t) RunCountMasked; |
| |
| RunCount=(unsigned char) ReadBlobByte(image); |
| if(EOFBlob(image) != MagickFalse) goto CUT_KO; /*wrong data: unexpected eof in line*/ |
| RunCountMasked=RunCount & 0x7F; |
| } |
| if(EncodedByte!=1) goto CUT_KO; /*wrong data: size incorrect*/ |
| i=0; /*guess a number of bit planes*/ |
| if(ldblk==(int) Header.Width) i=8; |
| if(2*ldblk==(int) Header.Width) i=4; |
| if(8*ldblk==(int) Header.Width) i=1; |
| if(i==0) goto CUT_KO; /*wrong data: incorrect bit planes*/ |
| depth=i; |
| |
| image->columns=Header.Width; |
| image->rows=Header.Height; |
| image->depth=8; |
| image->colors=(size_t) (GetQuantumRange(1UL*i)+1); |
| |
| if (image_info->ping != MagickFalse) goto Finish; |
| status=SetImageExtent(image,image->columns,image->rows,exception); |
| if (status == MagickFalse) |
| return(DestroyImageList(image)); |
| |
| /* ----- Do something with palette ----- */ |
| if ((clone_info=CloneImageInfo(image_info)) == NULL) goto NoPalette; |
| |
| |
| i=(ssize_t) strlen(clone_info->filename); |
| j=i; |
| while(--i>0) |
| { |
| if(clone_info->filename[i]=='.') |
| { |
| break; |
| } |
| if(clone_info->filename[i]=='/' || clone_info->filename[i]=='\\' || |
| clone_info->filename[i]==':' ) |
| { |
| i=j; |
| break; |
| } |
| } |
| |
| (void) CopyMagickString(clone_info->filename+i,".PAL",(size_t) |
| (MagickPathExtent-i)); |
| if((clone_info->file=fopen_utf8(clone_info->filename,"rb"))==NULL) |
| { |
| (void) CopyMagickString(clone_info->filename+i,".pal",(size_t) |
| (MagickPathExtent-i)); |
| if((clone_info->file=fopen_utf8(clone_info->filename,"rb"))==NULL) |
| { |
| clone_info->filename[i]='\0'; |
| if((clone_info->file=fopen_utf8(clone_info->filename,"rb"))==NULL) |
| { |
| clone_info=DestroyImageInfo(clone_info); |
| clone_info=NULL; |
| goto NoPalette; |
| } |
| } |
| } |
| |
| if( (palette=AcquireImage(clone_info,exception))==NULL ) goto NoPalette; |
| status=OpenBlob(clone_info,palette,ReadBinaryBlobMode,exception); |
| if (status == MagickFalse) |
| { |
| ErasePalette: |
| palette=DestroyImage(palette); |
| palette=NULL; |
| goto NoPalette; |
| } |
| |
| |
| if(palette!=NULL) |
| { |
| (void) ReadBlob(palette,2,(unsigned char *) PalHeader.FileId); |
| if(strncmp(PalHeader.FileId,"AH",2) != 0) goto ErasePalette; |
| PalHeader.Version=ReadBlobLSBShort(palette); |
| PalHeader.Size=ReadBlobLSBShort(palette); |
| PalHeader.FileType=(char) ReadBlobByte(palette); |
| PalHeader.SubType=(char) ReadBlobByte(palette); |
| PalHeader.BoardID=ReadBlobLSBShort(palette); |
| PalHeader.GraphicsMode=ReadBlobLSBShort(palette); |
| PalHeader.MaxIndex=ReadBlobLSBShort(palette); |
| PalHeader.MaxRed=ReadBlobLSBShort(palette); |
| PalHeader.MaxGreen=ReadBlobLSBShort(palette); |
| PalHeader.MaxBlue=ReadBlobLSBShort(palette); |
| (void) ReadBlob(palette,20,(unsigned char *) PalHeader.PaletteId); |
| if (EOFBlob(image)) |
| ThrowCUTReaderException(CorruptImageError,"UnexpectedEndOfFile"); |
| |
| if(PalHeader.MaxIndex<1) goto ErasePalette; |
| image->colors=PalHeader.MaxIndex+1; |
| if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) goto NoMemory; |
| |
| if(PalHeader.MaxRed==0) PalHeader.MaxRed=(unsigned int) QuantumRange; /*avoid division by 0*/ |
| if(PalHeader.MaxGreen==0) PalHeader.MaxGreen=(unsigned int) QuantumRange; |
| if(PalHeader.MaxBlue==0) PalHeader.MaxBlue=(unsigned int) QuantumRange; |
| |
| for(i=0;i<=(int) PalHeader.MaxIndex;i++) |
| { /*this may be wrong- I don't know why is palette such strange*/ |
| j=(ssize_t) TellBlob(palette); |
| if((j % 512)>512-6) |
| { |
| j=((j / 512)+1)*512; |
| offset=SeekBlob(palette,j,SEEK_SET); |
| if (offset < 0) |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| } |
| image->colormap[i].red=(Quantum) ReadBlobLSBShort(palette); |
| if (QuantumRange != (Quantum) PalHeader.MaxRed) |
| { |
| image->colormap[i].red=ClampToQuantum(((double) |
| image->colormap[i].red*QuantumRange+(PalHeader.MaxRed>>1))/ |
| PalHeader.MaxRed); |
| } |
| image->colormap[i].green=(Quantum) ReadBlobLSBShort(palette); |
| if (QuantumRange != (Quantum) PalHeader.MaxGreen) |
| { |
| image->colormap[i].green=ClampToQuantum |
| (((double) image->colormap[i].green*QuantumRange+(PalHeader.MaxGreen>>1))/PalHeader.MaxGreen); |
| } |
| image->colormap[i].blue=(Quantum) ReadBlobLSBShort(palette); |
| if (QuantumRange != (Quantum) PalHeader.MaxBlue) |
| { |
| image->colormap[i].blue=ClampToQuantum |
| (((double)image->colormap[i].blue*QuantumRange+(PalHeader.MaxBlue>>1))/PalHeader.MaxBlue); |
| } |
| |
| } |
| if (EOFBlob(image)) |
| ThrowCUTReaderException(CorruptImageError,"UnexpectedEndOfFile"); |
| } |
| |
| |
| |
| NoPalette: |
| if(palette==NULL) |
| { |
| |
| image->colors=256; |
| if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) |
| { |
| NoMemory: |
| ThrowCUTReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| } |
| |
| for (i=0; i < (ssize_t)image->colors; i++) |
| { |
| image->colormap[i].red=ScaleCharToQuantum((unsigned char) i); |
| image->colormap[i].green=ScaleCharToQuantum((unsigned char) i); |
| image->colormap[i].blue=ScaleCharToQuantum((unsigned char) i); |
| } |
| } |
| |
| |
| /* ----- Load RLE compressed raster ----- */ |
| BImgBuff=(unsigned char *) AcquireQuantumMemory((size_t) ldblk, |
| sizeof(*BImgBuff)); /*Ldblk was set in the check phase*/ |
| if(BImgBuff==NULL) goto NoMemory; |
| |
| offset=SeekBlob(image,6 /*sizeof(Header)*/,SEEK_SET); |
| if (offset < 0) |
| { |
| if (palette != NULL) |
| palette=DestroyImage(palette); |
| if (clone_info != NULL) |
| clone_info=DestroyImageInfo(clone_info); |
| BImgBuff=(unsigned char *) RelinquishMagickMemory(BImgBuff); |
| ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| } |
| for (i=0; i < (int) Header.Height; i++) |
| { |
| EncodedByte=ReadBlobLSBShort(image); |
| |
| ptrB=BImgBuff; |
| j=ldblk; |
| |
| RunCount=(unsigned char) ReadBlobByte(image); |
| RunCountMasked=RunCount & 0x7F; |
| |
| while ((int) RunCountMasked != 0) |
| { |
| if((ssize_t) RunCountMasked>j) |
| { /*Wrong Data*/ |
| RunCountMasked=(unsigned char) j; |
| if(j==0) |
| { |
| break; |
| } |
| } |
| |
| if((int) RunCount>0x80) |
| { |
| RunValue=(unsigned char) ReadBlobByte(image); |
| (void) memset(ptrB,(int) RunValue,(size_t) RunCountMasked); |
| } |
| else { |
| (void) ReadBlob(image,(size_t) RunCountMasked,ptrB); |
| } |
| |
| ptrB+=(int) RunCountMasked; |
| j-=(int) RunCountMasked; |
| |
| if (EOFBlob(image) != MagickFalse) goto Finish; /* wrong data: unexpected eof in line */ |
| RunCount=(unsigned char) ReadBlobByte(image); |
| RunCountMasked=RunCount & 0x7F; |
| } |
| |
| InsertRow(image,depth,BImgBuff,i,exception); |
| } |
| (void) SyncImage(image,exception); |
| |
| |
| /*detect monochrome image*/ |
| |
| if(palette==NULL) |
| { /*attempt to detect binary (black&white) images*/ |
| if ((image->storage_class == PseudoClass) && |
| (SetImageGray(image,exception) != MagickFalse)) |
| { |
| if(GetCutColors(image,exception)==2) |
| { |
| for (i=0; i < (ssize_t)image->colors; i++) |
| { |
| register Quantum |
| sample; |
| sample=ScaleCharToQuantum((unsigned char) i); |
| if(image->colormap[i].red!=sample) goto Finish; |
| if(image->colormap[i].green!=sample) goto Finish; |
| if(image->colormap[i].blue!=sample) goto Finish; |
| } |
| |
| image->colormap[1].red=image->colormap[1].green= |
| image->colormap[1].blue=QuantumRange; |
| for (i=0; i < (ssize_t)image->rows; i++) |
| { |
| q=QueueAuthenticPixels(image,0,i,image->columns,1,exception); |
| if (q == (Quantum *) NULL) |
| break; |
| for (j=0; j < (ssize_t)image->columns; j++) |
| { |
| if (GetPixelRed(image,q) == ScaleCharToQuantum(1)) |
| { |
| SetPixelRed(image,QuantumRange,q); |
| SetPixelGreen(image,QuantumRange,q); |
| SetPixelBlue(image,QuantumRange,q); |
| } |
| q+=GetPixelChannels(image); |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) goto Finish; |
| } |
| } |
| } |
| } |
| |
| Finish: |
| if (BImgBuff != NULL) |
| BImgBuff=(unsigned char *) RelinquishMagickMemory(BImgBuff); |
| if (palette != NULL) |
| palette=DestroyImage(palette); |
| if (clone_info != NULL) |
| clone_info=DestroyImageInfo(clone_info); |
| if (EOFBlob(image) != MagickFalse) |
| ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
| image->filename); |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r C U T I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterCUTImage() adds attributes for the CUT image format to |
| % the list of supported formats. The attributes include the image format |
| % tag, a method to read and/or write the format, whether the format |
| % supports the saving of more than one frame to the same file or blob, |
| % whether the format supports native in-memory I/O, and a brief |
| % description of the format. |
| % |
| % The format of the RegisterCUTImage method is: |
| % |
| % size_t RegisterCUTImage(void) |
| % |
| */ |
| ModuleExport size_t RegisterCUTImage(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=AcquireMagickInfo("CUT","CUT","DR Halo"); |
| entry->decoder=(DecodeImageHandler *) ReadCUTImage; |
| entry->flags|=CoderDecoderSeekableStreamFlag; |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r C U T I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterCUTImage() removes format registrations made by the |
| % CUT module from the list of supported formats. |
| % |
| % The format of the UnregisterCUTImage method is: |
| % |
| % UnregisterCUTImage(void) |
| % |
| */ |
| ModuleExport void UnregisterCUTImage(void) |
| { |
| (void) UnregisterMagickInfo("CUT"); |
| } |
