/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % TTTTT GGGG AAA % % T G A A % % T G GG AAAAA % % T G G A A % % T GGG A A % % % % % % Read/Write Truevision Targa Image Format. % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1999-2007 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % http://www.imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "magick/studio.h" #include "magick/blob.h" #include "magick/blob-private.h" #include "magick/color-private.h" #include "magick/colorspace.h" #include "magick/exception.h" #include "magick/exception-private.h" #include "magick/image.h" #include "magick/image-private.h" #include "magick/list.h" #include "magick/magick.h" #include "magick/memory_.h" #include "magick/monitor.h" #include "magick/property.h" #include "magick/quantum-private.h" #include "magick/static.h" #include "magick/string_.h" #include "magick/module.h" /* Forward declarations. */ static MagickBooleanType WriteTGAImage(const ImageInfo *,Image *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s T G A % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsTGA() returns MagickTrue if the image format type, identified by the % magick string, is a Microsoft Windows Enhanced MetaFile (TGA) file. % % The format of the ReadTGAImage method is: % % MagickBooleanType IsTGA(const unsigned char *magick,const size_t length) % % A description of each parameter follows: % % o magick: This string is generally the first few bytes of an image file % or blob. % % o length: Specifies the length of the magick string. % */ static MagickBooleanType IsTGA(const unsigned char *magick,const size_t length) { if (length < 4) return(MagickFalse); if (memcmp(magick,"\000\000\002\000",4) == 0) return(MagickTrue); return(MagickFalse); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d T G A I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadTGAImage() reads a Truevision TGA 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 ReadTGAImage method is: % % Image *ReadTGAImage(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 *ReadTGAImage(const ImageInfo *image_info,ExceptionInfo *exception) { #define TGAColormap 1 #define TGARGB 2 #define TGAMonochrome 3 #define TGARLEColormap 9 #define TGARLERGB 10 #define TGARLEMonochrome 11 typedef struct _TGAInfo { unsigned char id_length, colormap_type, image_type; unsigned short colormap_index, colormap_length; unsigned char colormap_size; unsigned short x_origin, y_origin, width, height; unsigned char bits_per_pixel, attributes; } TGAInfo; Image *image; IndexPacket index; long y; MagickBooleanType status; PixelPacket pixel; register IndexPacket *indexes; register long i, x; register PixelPacket *q; ssize_t count; TGAInfo tga_info; unsigned char j, k, runlength; unsigned long base, flag, offset, real, skip; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); image=AllocateImage(image_info); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } /* Read TGA header information. */ count=ReadBlob(image,1,&tga_info.id_length); tga_info.colormap_type=(unsigned char) ReadBlobByte(image); tga_info.image_type=(unsigned char) ReadBlobByte(image); do { if ((count != 1) || ((tga_info.image_type != TGAColormap) && (tga_info.image_type != TGARGB) && (tga_info.image_type != TGAMonochrome) && (tga_info.image_type != TGARLEColormap) && (tga_info.image_type != TGARLERGB) && (tga_info.image_type != TGARLEMonochrome)) || (((tga_info.image_type == TGAColormap) || (tga_info.image_type == TGARLEColormap)) && (tga_info.colormap_type == 0))) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); tga_info.colormap_index=ReadBlobLSBShort(image); tga_info.colormap_length=ReadBlobLSBShort(image); tga_info.colormap_size=(unsigned char) ReadBlobByte(image); tga_info.x_origin=ReadBlobLSBShort(image); tga_info.y_origin=ReadBlobLSBShort(image); tga_info.width=(unsigned short) ReadBlobLSBShort(image); tga_info.height=(unsigned short) ReadBlobLSBShort(image); tga_info.bits_per_pixel=(unsigned char) ReadBlobByte(image); tga_info.attributes=(unsigned char) ReadBlobByte(image); /* Initialize image structure. */ image->matte=(tga_info.attributes & 0x0FU) != 0 ? MagickTrue : MagickFalse; image->columns=tga_info.width; image->rows=tga_info.height; if ((tga_info.image_type != TGAColormap) && (tga_info.image_type != TGARLEColormap)) image->depth=(unsigned long) ((tga_info.bits_per_pixel <= 8) ? 8 : (tga_info.bits_per_pixel <= 16) ? 5 : (tga_info.bits_per_pixel == 24) ? 8 : (tga_info.bits_per_pixel == 32) ? 8 : 8); else image->depth=(unsigned long) ((tga_info.colormap_size <= 8) ? 8 : (tga_info.colormap_size <= 16) ? 5 : (tga_info.colormap_size == 24) ? 8 : (tga_info.colormap_size == 32) ? 8 : 8); if ((tga_info.image_type == TGAColormap) || (tga_info.image_type == TGAMonochrome) || (tga_info.image_type == TGARLEColormap) || (tga_info.image_type == TGARLEMonochrome)) image->storage_class=PseudoClass; image->compression=NoCompression; if ((tga_info.image_type == TGARLEColormap) || (tga_info.image_type == TGARLEMonochrome)) image->compression=RLECompression; if (image->storage_class == PseudoClass) { if (tga_info.colormap_type != 0) image->colors=tga_info.colormap_length; else { image->colors=0x01U << tga_info.bits_per_pixel; if (AllocateImageColormap(image,image->colors) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); } } if (tga_info.id_length != 0) { char *comment; size_t length; /* TGA image comment. */ length=(size_t) tga_info.id_length; comment=(char *) NULL; if (~length >= MaxTextExtent) comment=(char *) AcquireQuantumMemory(length+MaxTextExtent, sizeof(*comment)); if (comment == (char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); count=ReadBlob(image,tga_info.id_length,(unsigned char *) comment); comment[tga_info.id_length]='\0'; (void) SetImageProperty(image,"comment",comment); comment=DestroyString(comment); } (void) ResetMagickMemory(&pixel,0,sizeof(pixel)); pixel.opacity=(Quantum) TransparentOpacity; if (tga_info.colormap_type != 0) { /* Read TGA raster colormap. */ if (AllocateImageColormap(image,image->colors) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); for (i=0; i < (long) image->colors; i++) { switch (tga_info.colormap_size) { case 8: default: { /* Gray scale. */ pixel.red=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); pixel.green=pixel.red; pixel.blue=pixel.red; break; } case 15: case 16: { /* 5 bits each of red green and blue. */ j=(unsigned char) ReadBlobByte(image); k=(unsigned char) ReadBlobByte(image); pixel.red=ScaleAnyToQuantum(1UL*(k & 0x7c) >> 2,5); pixel.green=ScaleAnyToQuantum((1UL*(k & 0x03) << 3)+ (1UL*(j & 0xe0) >> 5),5); pixel.blue=ScaleAnyToQuantum(1UL*(j & 0x1f),5); break; } case 24: case 32: { /* 8 bits each of blue, green and red. */ pixel.blue=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); pixel.green=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); pixel.red=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); break; } } image->colormap[i]=pixel; } } if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; if (SetImageExtent(image,0,0) == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } /* Convert TGA pixels to pixel packets. */ base=0; flag=0; skip=MagickFalse; real=0; index=(IndexPacket) 0; runlength=0; offset=0; for (y=0; y < (long) image->rows; y++) { real=offset; if (((unsigned char) (tga_info.attributes & 0x20) >> 5) == 0) real=image->rows-real-1; q=SetImagePixels(image,0,(long) real,image->columns,1); if (q == (PixelPacket *) NULL) break; indexes=GetIndexes(image); for (x=0; x < (long) image->columns; x++) { if ((tga_info.image_type == TGARLEColormap) || (tga_info.image_type == TGARLERGB) || (tga_info.image_type == TGARLEMonochrome)) { if (runlength != 0) { runlength--; skip=flag != 0; } else { count=ReadBlob(image,1,&runlength); if (count == 0) ThrowReaderException(CorruptImageError, "UnableToReadImageData"); flag=runlength & 0x80; if (flag != 0) runlength-=128; skip=MagickFalse; } } if (skip == MagickFalse) switch (tga_info.bits_per_pixel) { case 8: default: { /* Gray scale. */ index=(IndexPacket) ReadBlobByte(image); if (tga_info.colormap_type != 0) pixel=image->colormap[(long) ConstrainColormapIndex(image, 1UL*index)]; else { pixel.red=ScaleCharToQuantum((unsigned char) index); pixel.green=ScaleCharToQuantum((unsigned char) index); pixel.blue=ScaleCharToQuantum((unsigned char) index); } break; } case 15: case 16: { /* 5 bits each of red green and blue. */ j=(unsigned char) ReadBlobByte(image); k=(unsigned char) ReadBlobByte(image); pixel.red=ScaleAnyToQuantum(1UL*(k & 0x7c) >> 2,5); pixel.green=ScaleAnyToQuantum((1UL*(k & 0x03) << 3)+ (1UL*(j & 0xe0) >> 5),5); pixel.blue=ScaleAnyToQuantum(1UL*(j & 0x1f),5); if (image->matte != MagickFalse) pixel.opacity=(k & 0x80) != 0 ? (Quantum) OpaqueOpacity : (Quantum) TransparentOpacity; if (image->storage_class == PseudoClass) index=ConstrainColormapIndex(image,((unsigned long) k << 8)+j); break; } case 24: case 32: { /* 8 bits each of blue green and red. */ pixel.blue=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); pixel.green=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); pixel.red=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); if (tga_info.bits_per_pixel == 32) pixel.opacity=(Quantum) (QuantumRange-ScaleCharToQuantum( (unsigned char) ReadBlobByte(image))); break; } } if (status == MagickFalse) ThrowReaderException(CorruptImageError,"UnableToReadImageData"); if (image->storage_class == PseudoClass) indexes[x]=index; q->red=pixel.red; q->green=pixel.green; q->blue=pixel.blue; if (image->matte != MagickFalse) q->opacity=pixel.opacity; q++; } if (((unsigned char) (tga_info.attributes & 0xc0) >> 6) == 4) offset+=4; else if (((unsigned char) (tga_info.attributes & 0xc0) >> 6) == 2) offset+=2; else offset++; if (offset >= image->rows) { base++; offset=base; } 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; } } if (EOFBlob(image) != MagickFalse) { ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); break; } /* Proceed to next image. */ if (image_info->number_scenes != 0) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; count=ReadBlob(image,1,&tga_info.id_length); tga_info.colormap_type=(unsigned char) ReadBlobByte(image); tga_info.image_type=(unsigned char) ReadBlobByte(image); status=((tga_info.image_type == TGAColormap) || (tga_info.image_type == TGARGB) || (tga_info.image_type == TGAMonochrome) || (tga_info.image_type == TGARLEColormap) || (tga_info.image_type == TGARLERGB) || (tga_info.image_type == TGARLEMonochrome)) ? MagickTrue : MagickFalse; if (status == MagickTrue) { /* 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 (status == MagickTrue); CloseBlob(image); return(GetFirstImageInList(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r T G A I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterTGAImage() adds properties for the TGA image format to % the list of supported formats. The properties include the image format % tag, a method to read and/or write the format, whether the format % supports the saving of more than one frame to the same file or blob, % whether the format supports native in-memory I/O, and a brief % description of the format. % % The format of the RegisterTGAImage method is: % % unsigned long RegisterTGAImage(void) % */ ModuleExport unsigned long RegisterTGAImage(void) { MagickInfo *entry; entry=SetMagickInfo("ICB"); entry->decoder=(DecodeImageHandler *) ReadTGAImage; entry->encoder=(EncodeImageHandler *) WriteTGAImage; entry->magick=(IsImageFormatHandler *) IsTGA; entry->description=ConstantString("Truevision Targa image"); entry->module=ConstantString("TGA"); (void) RegisterMagickInfo(entry); entry=SetMagickInfo("TGA"); entry->decoder=(DecodeImageHandler *) ReadTGAImage; entry->encoder=(EncodeImageHandler *) WriteTGAImage; entry->magick=(IsImageFormatHandler *) IsTGA; entry->description=ConstantString("Truevision Targa image"); entry->module=ConstantString("TGA"); (void) RegisterMagickInfo(entry); entry=SetMagickInfo("VDA"); entry->decoder=(DecodeImageHandler *) ReadTGAImage; entry->encoder=(EncodeImageHandler *) WriteTGAImage; entry->magick=(IsImageFormatHandler *) IsTGA; entry->description=ConstantString("Truevision Targa image"); entry->module=ConstantString("TGA"); (void) RegisterMagickInfo(entry); entry=SetMagickInfo("VST"); entry->decoder=(DecodeImageHandler *) ReadTGAImage; entry->encoder=(EncodeImageHandler *) WriteTGAImage; entry->magick=(IsImageFormatHandler *) IsTGA; entry->description=ConstantString("Truevision Targa image"); entry->module=ConstantString("TGA"); (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r T G A I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterTGAImage() removes format registrations made by the % TGA module from the list of supported formats. % % The format of the UnregisterTGAImage method is: % % UnregisterTGAImage(void) % */ ModuleExport void UnregisterTGAImage(void) { (void) UnregisterMagickInfo("ICB"); (void) UnregisterMagickInfo("TGA"); (void) UnregisterMagickInfo("VDA"); (void) UnregisterMagickInfo("VST"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e T G A I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteTGAImage() writes a image in the Truevision Targa rasterfile % format. % % The format of the WriteTGAImage method is: % % MagickBooleanType WriteTGAImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: The image info. % % o image: The image. % */ static inline size_t MagickMin(const size_t x,const size_t y) { if (x < y) return(x); return(y); } static MagickBooleanType WriteTGAImage(const ImageInfo *image_info,Image *image) { #define TargaColormap 1 #define TargaRGB 2 #define TargaMonochrome 3 #define TargaRLEColormap 9 #define TargaRLERGB 10 #define TargaRLEMonochrome 11 typedef struct _TargaInfo { unsigned char id_length, colormap_type, image_type; unsigned short colormap_index, colormap_length; unsigned char colormap_size; unsigned short x_origin, y_origin, width, height; unsigned char bits_per_pixel, attributes; } TargaInfo; const char *value; long y; MagickBooleanType status; MagickOffsetType scene; register const PixelPacket *p; register IndexPacket *indexes; register long x; register long i; register unsigned char *q; ssize_t count; TargaInfo targa_info; unsigned char *targa_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); scene=0; do { /* Initialize TGA raster file header. */ if ((image->columns > 65535L) || (image->rows > 65535L)) ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); if (image_info->colorspace == UndefinedColorspace) (void) SetImageColorspace(image,RGBColorspace); targa_info.id_length=0; value=GetImageProperty(image,"comment"); if (value != (const char *) NULL) targa_info.id_length=(unsigned char) MagickMin(strlen(value),255); targa_info.colormap_type=0; targa_info.colormap_index=0; targa_info.colormap_length=0; targa_info.colormap_size=0; targa_info.x_origin=0; targa_info.y_origin=0; targa_info.width=(unsigned short) image->columns; targa_info.height=(unsigned short) image->rows; targa_info.bits_per_pixel=8; targa_info.attributes=0; if ((image_info->type != TrueColorType) && (image_info->type != TrueColorMatteType) && (image_info->type != PaletteType) && (image->matte == MagickFalse) && (IsGrayImage(image,&image->exception) != MagickFalse)) targa_info.image_type=TargaMonochrome; else if ((image->storage_class == DirectClass) || (image->colors > 256)) { /* Full color TGA raster. */ targa_info.image_type=TargaRGB; targa_info.bits_per_pixel=24; if (image->matte != MagickFalse) { targa_info.bits_per_pixel=32; targa_info.attributes=8; /* # of alpha bits */ } } else { /* Colormapped TGA raster. */ targa_info.image_type=TargaColormap; targa_info.colormap_type=1; targa_info.colormap_length=(unsigned short) image->colors; targa_info.colormap_size=24; } /* Write TGA header. */ (void) WriteBlobByte(image,targa_info.id_length); (void) WriteBlobByte(image,targa_info.colormap_type); (void) WriteBlobByte(image,targa_info.image_type); (void) WriteBlobLSBShort(image,targa_info.colormap_index); (void) WriteBlobLSBShort(image,targa_info.colormap_length); (void) WriteBlobByte(image,targa_info.colormap_size); (void) WriteBlobLSBShort(image,targa_info.x_origin); (void) WriteBlobLSBShort(image,targa_info.y_origin); (void) WriteBlobLSBShort(image,targa_info.width); (void) WriteBlobLSBShort(image,targa_info.height); (void) WriteBlobByte(image,targa_info.bits_per_pixel); (void) WriteBlobByte(image,targa_info.attributes); if (targa_info.id_length != 0) (void) WriteBlob(image,targa_info.id_length,(unsigned char *) value); if (targa_info.image_type == TargaColormap) { unsigned char *targa_colormap; /* Dump colormap to file (blue, green, red byte order). */ targa_colormap=(unsigned char *) AcquireQuantumMemory((size_t) targa_info.colormap_length,3UL*sizeof(*targa_colormap)); if (targa_colormap == (unsigned char *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); q=targa_colormap; for (i=0; i < (long) image->colors; i++) { *q++=ScaleQuantumToChar(image->colormap[i].blue); *q++=ScaleQuantumToChar(image->colormap[i].green); *q++=ScaleQuantumToChar(image->colormap[i].red); } (void) WriteBlob(image,(size_t) (3*targa_info.colormap_length), targa_colormap); targa_colormap=(unsigned char *) RelinquishMagickMemory(targa_colormap); } /* Convert MIFF to TGA raster pixels. */ count=(ssize_t) (targa_info.bits_per_pixel*targa_info.width)/8; targa_pixels=(unsigned char *) AcquireQuantumMemory((size_t) count, sizeof(*targa_pixels)); if (targa_pixels == (unsigned char *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); for (y=(long) (image->rows-1); y >= 0; y--) { p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; q=targa_pixels; indexes=GetIndexes(image); for (x=0; x < (long) image->columns; x++) { if (targa_info.image_type == TargaColormap) *q++=(unsigned char) indexes[x]; else if (targa_info.image_type == TargaMonochrome) *q++=(unsigned char) ScaleQuantumToChar(PixelIntensityToQuantum(p)); else { *q++=ScaleQuantumToChar(p->blue); *q++=ScaleQuantumToChar(p->green); *q++=ScaleQuantumToChar(p->red); if (image->matte != MagickFalse) *q++=(unsigned char) ScaleQuantumToChar((Quantum) (QuantumRange-p->opacity)); if (image->colorspace == CMYKColorspace) *q++=ScaleQuantumToChar(indexes[x]); } p++; } (void) WriteBlob(image,(size_t) (q-targa_pixels),targa_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; } } targa_pixels=(unsigned char *) RelinquishMagickMemory(targa_pixels); if (GetNextImageInList(image) == (Image *) NULL) break; image=SyncNextImageInList(image); if (image->progress_monitor != (MagickProgressMonitor) NULL) { status=image->progress_monitor(SaveImagesTag,scene, GetImageListLength(image),image->client_data); if (status == MagickFalse) break; } scene++; } while (image_info->adjoin != MagickFalse); CloseBlob(image); return(MagickTrue); }