/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e P i x e l V i e w % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ClonePixelView() makes a copy of the specified pixel view. % % The format of the ClonePixelView method is: % % PixelView *ClonePixelView(const PixelView *pixel_view) % % A description of each parameter follows: % % o pixel_view: the pixel view. % */ WandExport PixelView *ClonePixelView(const PixelView *pixel_view) { PixelView *clone_view; register long i; assert(pixel_view != (PixelView *) NULL); assert(pixel_view->signature == WandSignature); if (pixel_view->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",pixel_view->name); clone_view=(PixelView *) AcquireMagickMemory(sizeof(*clone_view)); if (clone_view == (PixelView *) NULL) ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", pixel_view->name); (void) ResetMagickMemory(clone_view,0,sizeof(*clone_view)); clone_view->id=AcquireWandId(); (void) FormatMagickString(clone_view->name,MaxTextExtent,"%s-%lu",PixelViewId, clone_view->id); clone_view->exception=AcquireExceptionInfo(); InheritException(clone_view->exception,pixel_view->exception); clone_view->view=CloneCacheView(pixel_view->view); clone_view->region=pixel_view->region; clone_view->number_threads=pixel_view->number_threads; for (i=0; i < (long) pixel_view->number_threads; i++) clone_view->pixel_wands[i]=ClonePixelWands((const PixelWand **) pixel_view->pixel_wands[i],pixel_view->region.width); clone_view->debug=pixel_view->debug; if (clone_view->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_view->name); clone_view->signature=WandSignature; return(clone_view); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k Q u e r y M u l t i l i n e F o n t M e t r i c s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickQueryMultilineFontMetrics() returns a 13 element array representing the % following font metrics: % % Element Description % ------------------------------------------------- % 0 character width % 1 character height % 2 ascender % 3 descender % 4 text width % 5 text height % 6 maximum horizontal advance % 7 bounding box: x1 % 8 bounding box: y1 % 9 bounding box: x2 % 10 bounding box: y2 % 11 origin: x % 12 origin: y % % This method is like MagickQueryFontMetrics() but it returns the maximum text % width and height for multiple lines of text. % % The format of the MagickQueryFontMetrics method is: % % double *MagickQueryMultilineFontMetrics(MagickWand *wand, % const DrawingWand *drawing_wand,const char *text) % % A description of each parameter follows: % % o wand: The Magick wand. % % o drawing_wand: The drawing wand. % % o text: The text. % */ WandExport double *MagickQueryMultilineFontMetrics(MagickWand *wand, const DrawingWand *drawing_wand,const char *text) { double *font_metrics; DrawInfo *draw_info; MagickBooleanType status; TypeMetric metrics; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); assert(drawing_wand != (const DrawingWand *) NULL); if (wand->images == (Image *) NULL) { (void) ThrowMagickException(wand->exception,GetMagickModule(),WandError, "ContainsNoImages","`%s'",wand->name); return((double *) NULL); } font_metrics=(double *) AcquireQuantumMemory(13UL,sizeof(*font_metrics)); if (font_metrics == (double *) NULL) return((double *) NULL); draw_info=PeekDrawingWand(drawing_wand); if (draw_info == (DrawInfo *) NULL) { font_metrics=(double *) RelinquishMagickMemory(font_metrics); return((double *) NULL); } (void) CloneString(&draw_info->text,text); (void) ResetMagickMemory(&metrics,0,sizeof(metrics)); status=GetMultilineTypeMetrics(wand->images,draw_info,&metrics); draw_info=DestroyDrawInfo(draw_info); if (status == MagickFalse) { InheritException(wand->exception,&wand->images->exception); font_metrics=(double *) RelinquishMagickMemory(font_metrics); return((double *) NULL); } font_metrics[0]=metrics.pixels_per_em.x; font_metrics[1]=metrics.pixels_per_em.y; font_metrics[2]=metrics.ascent; font_metrics[3]=metrics.descent; font_metrics[4]=metrics.width; font_metrics[5]=metrics.height; font_metrics[6]=metrics.max_advance; font_metrics[7]=metrics.bounds.x1; font_metrics[8]=metrics.bounds.y1; font_metrics[9]=metrics.bounds.x2; font_metrics[10]=metrics.bounds.y2; font_metrics[11]=metrics.origin.x; font_metrics[12]=metrics.origin.y; return(font_metrics); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e M a g i c k W a n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CloneMagickWand() makes an exact copy of the specified wand. % % The format of the CloneMagickWand method is: % % MagickWand *CloneMagickWand(const MagickWand *wand) % % A description of each parameter follows: % % o wand: The magick wand. % */ WandExport MagickWand *CloneMagickWand(const MagickWand *wand) { MagickWand *clone_wand; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); clone_wand=(MagickWand *) AcquireMagickMemory(sizeof(*clone_wand)); if (clone_wand == (MagickWand *) NULL) { char *message; message=GetExceptionMessage(errno); ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", message); message=DestroyString(message); } (void) ResetMagickMemory(clone_wand,0,sizeof(*clone_wand)); clone_wand->id=AcquireWandId(); (void) FormatMagickString(clone_wand->name,MaxTextExtent,"%s-%lu", MagickWandId,clone_wand->id); clone_wand->exception=AcquireExceptionInfo(); InheritException(clone_wand->exception,wand->exception); clone_wand->image_info=CloneImageInfo(wand->image_info); clone_wand->quantize_info=CloneQuantizeInfo(wand->quantize_info); clone_wand->images=CloneImageList(wand->images,clone_wand->exception); clone_wand->debug=IsEventLogging(); if (clone_wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_wand->name); clone_wand->signature=WandSignature; return(clone_wand); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e M a g i c k W a n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CloneMagickWand() makes an exact copy of the specified wand. % % The format of the CloneMagickWand method is: % % MagickWand *CloneMagickWand(const MagickWand *wand) % % A description of each parameter follows: % % o wand: the magick wand. % */ WandExport MagickWand *CloneMagickWand(const MagickWand *wand) { MagickWand *clone_wand; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); clone_wand=(MagickWand *) AcquireMagickMemory(sizeof(*clone_wand)); if (clone_wand == (MagickWand *) NULL) ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", wand->name); (void) ResetMagickMemory(clone_wand,0,sizeof(*clone_wand)); clone_wand->id=AcquireWandId(); (void) FormatLocaleString(clone_wand->name,MaxTextExtent,"%s-%.20g", MagickWandId,(double) clone_wand->id); clone_wand->exception=AcquireExceptionInfo(); InheritException(clone_wand->exception,wand->exception); clone_wand->image_info=CloneImageInfo(wand->image_info); clone_wand->images=CloneImageList(wand->images,clone_wand->exception); clone_wand->insert_before=MagickFalse; clone_wand->image_pending=MagickFalse; clone_wand->debug=IsEventLogging(); if (clone_wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_wand->name); clone_wand->signature=WandSignature; return(clone_wand); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o n s t i t u t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ConstituteImage() returns an image from the pixel data you supply. % The pixel data must be in scanline order top-to-bottom. The data can be % char, short int, int, float, or double. Float and double require the % pixels to be normalized [0..1], otherwise [0..QuantumRange]. For example, to % create a 640x480 image from unsigned red-green-blue character data, use: % % image = ConstituteImage(640,480,"RGB",CharPixel,pixels,&exception); % % The format of the ConstituteImage method is: % % Image *ConstituteImage(const unsigned long columns, % const unsigned long rows,const char *map,const StorageType storage, % const void *pixels,ExceptionInfo *exception) % % A description of each parameter follows: % % o columns: width in pixels of the image. % % o rows: height in pixels of the image. % % o map: This string reflects the expected ordering of the pixel array. % It can be any combination or order of R = red, G = green, B = blue, % A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, % Y = yellow, M = magenta, K = black, I = intensity (for grayscale), % P = pad. % % o storage: Define the data type of the pixels. Float and double types are % expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose % from these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, % LongPixel, QuantumPixel, or ShortPixel. % % o pixels: This array of values contain the pixel components as defined by % map and type. You must preallocate this array where the expected % length varies depending on the values of width, height, map, and type. % % o exception: return any errors or warnings in this structure. % */ MagickExport Image *ConstituteImage(const unsigned long columns, const unsigned long rows,const char *map,const StorageType storage, const void *pixels,ExceptionInfo *exception) { Image *image; MagickBooleanType status; /* Allocate image structure. */ assert(map != (const char *) NULL); (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",map); assert(pixels != (void *) NULL); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); image=AcquireImage((ImageInfo *) NULL); if (image == (Image *) NULL) return((Image *) NULL); if ((columns == 0) || (rows == 0)) ThrowImageException(OptionError,"NonZeroWidthAndHeightRequired"); image->columns=columns; image->rows=rows; (void) SetImageBackgroundColor(image); status=ImportImagePixels(image,0,0,columns,rows,map,storage,pixels); if (status == MagickFalse) { InheritException(exception,&image->exception); image=DestroyImage(image); } return(image); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e W a n d V i e w % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CloneWandView() makes a copy of the specified wand view. % % The format of the CloneWandView method is: % % WandView *CloneWandView(const WandView *wand_view) % % A description of each parameter follows: % % o wand_view: the wand view. % */ WandExport WandView *CloneWandView(const WandView *wand_view) { WandView *clone_view; register ssize_t i; assert(wand_view != (WandView *) NULL); assert(wand_view->signature == WandSignature); if (wand_view->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand_view->name); clone_view=(WandView *) AcquireMagickMemory(sizeof(*clone_view)); if (clone_view == (WandView *) NULL) ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", wand_view->name); (void) ResetMagickMemory(clone_view,0,sizeof(*clone_view)); clone_view->id=AcquireWandId(); (void) FormatLocaleString(clone_view->name,MaxTextExtent,"%s-%.20g", WandViewId,(double) clone_view->id); clone_view->description=ConstantString(wand_view->description); clone_view->view=CloneCacheView(wand_view->view); clone_view->extent=wand_view->extent; clone_view->number_threads=wand_view->number_threads; clone_view->exception=AcquireExceptionInfo(); InheritException(clone_view->exception,wand_view->exception); for (i=0; i < (ssize_t) wand_view->number_threads; i++) clone_view->pixel_wands[i]=ClonePixelWands((const PixelWand **) wand_view->pixel_wands[i],wand_view->extent.width); clone_view->debug=wand_view->debug; if (clone_view->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_view->name); clone_view->signature=WandSignature; return(clone_view); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e P i x e l I t e r a t o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ClonePixelIterator() makes an exact copy of the specified iterator. % % The format of the ClonePixelIterator method is: % % PixelIterator *ClonePixelIterator(const PixelIterator *iterator) % % A description of each parameter follows: % % o iterator: the magick iterator. % */ WandExport PixelIterator *ClonePixelIterator(const PixelIterator *iterator) { PixelIterator *clone_iterator; assert(iterator != (PixelIterator *) NULL); assert(iterator->signature == WandSignature); if (iterator->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); clone_iterator=(PixelIterator *) AcquireMagickMemory(sizeof(*clone_iterator)); if (clone_iterator == (PixelIterator *) NULL) ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", iterator->name); (void) ResetMagickMemory(clone_iterator,0,sizeof(*clone_iterator)); clone_iterator->id=AcquireWandId(); (void) FormatMagickString(clone_iterator->name,MaxTextExtent,"%s-%lu", PixelIteratorId,clone_iterator->id); clone_iterator->exception=AcquireExceptionInfo(); InheritException(clone_iterator->exception,iterator->exception); clone_iterator->view=CloneCacheView(iterator->view); clone_iterator->region=iterator->region; clone_iterator->active=iterator->active; clone_iterator->y=iterator->y; clone_iterator->pixel_wands=ClonePixelWands((const PixelWand **) iterator->pixel_wands,iterator->region.width); clone_iterator->debug=iterator->debug; if (clone_iterator->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s", clone_iterator->name); clone_iterator->signature=WandSignature; return(clone_iterator); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P i x e l S y n c I t e r a t o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % PixelSyncIterator() syncs the pixel iterator. % % The format of the PixelSyncIterator method is: % % MagickBooleanType PixelSyncIterator(PixelIterator *iterator) % % A description of each parameter follows: % % o iterator: the pixel iterator. % */ WandExport MagickBooleanType PixelSyncIterator(PixelIterator *iterator) { ExceptionInfo *exception; register IndexPacket *restrict indexes; register ssize_t x; register PixelPacket *restrict pixels; assert(iterator != (const PixelIterator *) NULL); assert(iterator->signature == WandSignature); if (iterator->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); if (SetCacheViewStorageClass(iterator->view,DirectClass) == MagickFalse) return(MagickFalse); exception=iterator->exception; pixels=GetCacheViewAuthenticPixels(iterator->view,iterator->region.x, iterator->region.y+iterator->y,iterator->region.width,1,exception); if (pixels == (PixelPacket *) NULL) { InheritException(iterator->exception,GetCacheViewException( iterator->view)); return(MagickFalse); } indexes=GetCacheViewAuthenticIndexQueue(iterator->view); for (x=0; x < (ssize_t) iterator->region.width; x++) PixelGetQuantumColor(iterator->pixel_wands[x],pixels+x); if (GetCacheViewColorspace(iterator->view) == CMYKColorspace) for (x=0; x < (ssize_t) iterator->region.width; x++) SetPixelBlack(indexes+x,PixelGetBlackQuantum( iterator->pixel_wands[x])); if (SyncCacheViewAuthenticPixels(iterator->view,exception) == MagickFalse) { InheritException(iterator->exception,GetCacheViewException( iterator->view)); return(MagickFalse); } return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P i x e l S y n c I t e r a t o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % PixelSyncIterator() syncs the pixel iterator. % % The format of the PixelSyncIterator method is: % % MagickBooleanType PixelSyncIterator(PixelIterator *iterator) % % A description of each parameter follows: % % o iterator: the pixel iterator. % */ WandExport MagickBooleanType PixelSyncIterator(PixelIterator *iterator) { IndexPacket *indexes; register long x; register PixelPacket *p; assert(iterator != (const PixelIterator *) NULL); assert(iterator->signature == WandSignature); if (iterator->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); if (SetCacheViewStorageClass(iterator->view,DirectClass) == MagickFalse) return(MagickFalse); p=GetCacheViewPixels(iterator->view,iterator->region.x,iterator->region.y+ iterator->y,iterator->region.width,1); if (p == (PixelPacket *) NULL) { InheritException(iterator->exception,GetCacheViewException( iterator->view)); return(MagickFalse); } indexes=GetCacheViewIndexes(iterator->view); for (x=0; x < (long) iterator->region.width; x++) { PixelGetQuantumColor(iterator->pixel_wands[x],p); if (GetCacheViewColorspace(iterator->view) == CMYKColorspace) indexes[x]=PixelGetBlackQuantum(iterator->pixel_wands[x]); else if (GetCacheViewStorageClass(iterator->view) == PseudoClass) indexes[x]=PixelGetIndex(iterator->pixel_wands[x]); p++; } if (SyncCacheView(iterator->view) == MagickFalse) { InheritException(iterator->exception,GetCacheViewException( iterator->view)); return(MagickFalse); } return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e E x c e p t i o n I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CloneExceptionInfo() clones the ExceptionInfo structure. % % The format of the CloneExceptionInfo method is: % % ExceptionInfo *CloneException(ExceptionInfo *exception) % % A description of each parameter follows: % % o exception: the exception info. % */ MagickExport ExceptionInfo *CloneExceptionInfo(ExceptionInfo *exception) { ExceptionInfo *clone_exception; clone_exception=(ExceptionInfo *) AcquireMagickMemory(sizeof(*exception)); if (clone_exception == (ExceptionInfo *) NULL) ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); GetExceptionInfo(clone_exception); InheritException(clone_exception,exception); exception->relinquish=MagickTrue; return(exception); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e I m a g e V i e w % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CloneImageView() makes a copy of the specified image view. % % The format of the CloneImageView method is: % % ImageView *CloneImageView(const ImageView *image_view) % % A description of each parameter follows: % % o image_view: the image view. % */ MagickExport ImageView *CloneImageView(const ImageView *image_view) { ImageView *clone_view; assert(image_view != (ImageView *) NULL); assert(image_view->signature == MagickSignature); clone_view=(ImageView *) AcquireMagickMemory(sizeof(*clone_view)); if (clone_view == (ImageView *) NULL) ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); (void) ResetMagickMemory(clone_view,0,sizeof(*clone_view)); clone_view->description=ConstantString(image_view->description); clone_view->extent=image_view->extent; clone_view->view=CloneCacheView(image_view->view); clone_view->exception=AcquireExceptionInfo(); InheritException(clone_view->exception,image_view->exception); clone_view->debug=image_view->debug; clone_view->signature=MagickSignature; return(clone_view); }
/* Extern: rm_check_image_exception Purpose: If an ExceptionInfo struct in a list of images indicates a warning, issue a warning message. If an ExceptionInfo struct indicates an error, raise an exception and optionally destroy the images. */ void rm_check_image_exception(Image *imglist, ErrorRetention retention) { ExceptionInfo exception; Image *badboy = NULL; Image *image; if (imglist == NULL) { return; } GetExceptionInfo(&exception); // Find the image with the highest severity image = GetFirstImageInList(imglist); while (image) { if (image->exception.severity != UndefinedException) { if (!badboy || image->exception.severity > badboy->exception.severity) { badboy = image; InheritException(&exception, &badboy->exception); } ClearMagickException(&image->exception); } image = GetNextImageInList(image); } if (badboy) { rm_check_exception(&exception, imglist, retention); } (void) DestroyExceptionInfo(&exception); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I t e r a t o r I n d e x % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetIteratorIndex() set the iterator to the given position in the % image list specified with the index parameter. A zero index will set % the first image as current, and so on. Negative indexes can be used % to specify an image relative to the end of the images in the wand, with % -1 being the last image in the wand. % % If the index is invalid (range too large for number of images in wand) % the function will return MagickFalse, but no 'exception' will be raised, % as it is not actually an error. In that case the current image will not % change. % % After using any images added to the wand using MagickAddImage() or % MagickReadImage() will be added after the image indexed, regardless % of if a zero (first image in list) or negative index (from end) is used. % % Jumping to index 0 is similar to MagickResetIterator() but differs in how % MagickNextImage() behaves afterward. % % The format of the MagickSetIteratorIndex method is: % % MagickBooleanType MagickSetIteratorIndex(MagickWand *wand, % const ssize_t index) % % A description of each parameter follows: % % o wand: the magick wand. % % o index: the scene number. % */ WandExport MagickBooleanType MagickSetIteratorIndex(MagickWand *wand, const ssize_t index) { Image *image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return(MagickFalse); image=GetImageFromList(wand->images,index); if (image == (Image *) NULL) { InheritException(wand->exception,&wand->images->exception); return(MagickFalse); } wand->images=image; wand->insert_before=MagickFalse; /* Insert/Add after (this) image */ wand->image_pending=MagickFalse; /* NextImage will set next image */ return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a g i c k S e t I t e r a t o r I n d e x % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MagickSetIteratorIndex() set the iterator to the position in the image list % specified with the index parameter. % % The format of the MagickSetIteratorIndex method is: % % MagickBooleanType MagickSetIteratorIndex(MagickWand *wand, % const long index) % % A description of each parameter follows: % % o wand: The magick wand. % % o index: The scene number. % */ WandExport MagickBooleanType MagickSetIteratorIndex(MagickWand *wand, const long index) { Image *image; assert(wand != (MagickWand *) NULL); assert(wand->signature == WandSignature); if (wand->debug != MagickFalse) (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); if (wand->images == (Image *) NULL) return(MagickFalse); image=GetImageFromList(wand->images,index); if (image == (Image *) NULL) { InheritException(wand->exception,&wand->images->exception); return(MagickFalse); } wand->active=MagickTrue; wand->pend=MagickFalse; wand->images=image; return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d G R A Y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadGRAYImage() reads an image of raw grayscale 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 ReadGRAYImage method is: % % Image *ReadGRAYImage(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 *ReadGRAYImage(const ImageInfo *image_info, ExceptionInfo *exception) { Image *image; long j, y; MagickBooleanType status; MagickOffsetType offset; QuantumInfo quantum_info; register long i; register PixelPacket *q; ssize_t count; size_t packet_size; unsigned char *pixels; unsigned long width; /* 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); } for (i=0; i < image->offset; i++) if (ReadBlobByte(image) == EOF) { ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); break; } /* Allocate memory for a pixels. */ packet_size=(size_t) (image->depth+7)/8; pixels=(unsigned char *) AcquireQuantumMemory(image->extract_info.width, packet_size*sizeof(*pixels)); if (pixels == (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,pixels); 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. */ GetQuantumInfo(image_info,&quantum_info); 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)); } for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,pixels); 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,pixels); 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,&quantum_info,GrayQuantum,pixels+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 (j=0; j < (long) width; j++) { count=ReadBlob(image,packet_size*image->extract_info.width,pixels); if (count != (ssize_t) (packet_size*image->extract_info.width)) 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; count=ReadBlob(image,packet_size*image->extract_info.width,pixels); 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 (count == (ssize_t) (packet_size*image->extract_info.width)); pixels=(unsigned char *) RelinquishMagickMemory(pixels); CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d S I X E L I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadSIXELImage() reads an X11 pixmap 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 ReadSIXELImage method is: % % Image *ReadSIXELImage(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 *ReadSIXELImage(const ImageInfo *image_info,ExceptionInfo *exception) { char *sixel_buffer; Image *image; MagickBooleanType status; register char *p; register IndexPacket *indexes; register ssize_t x; register PixelPacket *r; size_t length; ssize_t i, j, y; unsigned char *sixel_pixels, *sixel_palette; /* 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); } /* Read SIXEL file. */ length=MaxTextExtent; sixel_buffer=(char *) AcquireQuantumMemory((size_t) length,sizeof(*sixel_buffer)); p=sixel_buffer; if (sixel_buffer != (char *) NULL) while (ReadBlobString(image,p) != (char *) NULL) { if ((*p == '#') && ((p == sixel_buffer) || (*(p-1) == '\n'))) continue; if ((*p == '}') && (*(p+1) == ';')) break; p+=strlen(p); if ((size_t) (p-sixel_buffer+MaxTextExtent) < length) continue; length<<=1; sixel_buffer=(char *) ResizeQuantumMemory(sixel_buffer,length+MaxTextExtent, sizeof(*sixel_buffer)); if (sixel_buffer == (char *) NULL) break; p=sixel_buffer+strlen(sixel_buffer); } if (sixel_buffer == (char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); /* Decode SIXEL */ if (sixel_decode((unsigned char *)sixel_buffer, &sixel_pixels, &image->columns, &image->rows, &sixel_palette, &image->colors) == MagickFalse) { sixel_buffer=(char *) RelinquishMagickMemory(sixel_buffer); ThrowReaderException(CorruptImageError,"CorruptImage"); } sixel_buffer=(char *) RelinquishMagickMemory(sixel_buffer); image->depth=24; image->storage_class=PseudoClass; status=SetImageExtent(image,image->columns,image->rows); if (status == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } if (AcquireImageColormap(image,image->colors) == MagickFalse) { sixel_pixels=(unsigned char *) RelinquishMagickMemory(sixel_pixels); sixel_palette=(unsigned char *) RelinquishMagickMemory(sixel_palette); ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); } for (i = 0; i < (ssize_t) image->colors; ++i) { image->colormap[i].red = ScaleCharToQuantum(sixel_palette[i * 4 + 0]); image->colormap[i].green = ScaleCharToQuantum(sixel_palette[i * 4 + 1]); image->colormap[i].blue = ScaleCharToQuantum(sixel_palette[i * 4 + 2]); } j=0; if (image_info->ping == MagickFalse) { /* Read image pixels. */ for (y=0; y < (ssize_t) image->rows; y++) { r=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (r == (PixelPacket *) NULL) break; indexes=GetAuthenticIndexQueue(image); for (x=0; x < (ssize_t) image->columns; x++) { j=(ssize_t) sixel_pixels[y * image->columns + x]; SetPixelIndex(indexes+x,j); r++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } if (y < (ssize_t) image->rows) { sixel_pixels=(unsigned char *) RelinquishMagickMemory(sixel_pixels); sixel_palette=(unsigned char *) RelinquishMagickMemory(sixel_palette); ThrowReaderException(CorruptImageError,"NotEnoughPixelData"); } } /* Relinquish resources. */ sixel_pixels=(unsigned char *) RelinquishMagickMemory(sixel_pixels); sixel_palette=(unsigned char *) RelinquishMagickMemory(sixel_palette); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d M V G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadMVGImage creates a gradient image and initializes it to % the X server color range as specified by the filename. It allocates the % memory necessary for the new Image structure and returns a pointer to the % new image. % % The format of the ReadMVGImage method is: % % Image *ReadMVGImage(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 *ReadMVGImage(const ImageInfo *image_info,ExceptionInfo *exception) { #define BoundingBox "viewbox" DrawInfo *draw_info; Image *image; MagickBooleanType status; /* Open image. */ 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); } if ((image->columns == 0) || (image->rows == 0)) { char primitive[MaxTextExtent]; register char *p; SegmentInfo bounds; /* Determine size of image canvas. */ while (ReadBlobString(image,primitive) != (char *) NULL) { for (p=primitive; (*p == ' ') || (*p == '\t'); p++) ; if (LocaleNCompare(BoundingBox,p,strlen(BoundingBox)) != 0) continue; (void) sscanf(p,"viewbox %lf %lf %lf %lf",&bounds.x1,&bounds.y1, &bounds.x2,&bounds.y2); image->columns=(size_t) floor((bounds.x2-bounds.x1)+0.5); image->rows=(size_t) floor((bounds.y2-bounds.y1)+0.5); break; } } if ((image->columns == 0) || (image->rows == 0)) ThrowReaderException(OptionError,"MustSpecifyImageSize"); draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL); draw_info->affine.sx=image->x_resolution == 0.0 ? 1.0 : image->x_resolution/ DefaultResolution; draw_info->affine.sy=image->y_resolution == 0.0 ? 1.0 : image->y_resolution/ DefaultResolution; image->columns=(size_t) (draw_info->affine.sx*image->columns); image->rows=(size_t) (draw_info->affine.sy*image->rows); if (SetImageBackgroundColor(image) == MagickFalse) { InheritException(exception,&image->exception); image=DestroyImageList(image); return((Image *) NULL); } /* Render drawing. */ if (GetBlobStreamData(image) == (unsigned char *) NULL) draw_info->primitive=FileToString(image->filename,~0UL,exception); else { draw_info->primitive=(char *) AcquireMagickMemory(GetBlobSize(image)+1); if (draw_info->primitive != (char *) NULL) { CopyMagickMemory(draw_info->primitive,GetBlobStreamData(image), GetBlobSize(image)); draw_info->primitive[GetBlobSize(image)]='\0'; } } (void) DrawImage(image,draw_info); draw_info=DestroyDrawInfo(draw_info); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d L A B E L I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadLABELImage() reads a LABEL 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 ReadLABELImage method is: % % Image *ReadLABELImage(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 *ReadLABELImage(const ImageInfo *image_info, ExceptionInfo *exception) { char geometry[MaxTextExtent], *property; const char *label; DrawInfo *draw_info; Image *image; MagickBooleanType status; TypeMetric metrics; size_t height, width; /* Initialize Image structure. */ 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); (void) ResetImagePage(image,"0x0+0+0"); property=InterpretImageProperties(image_info,image,image_info->filename); (void) SetImageProperty(image,"label",property); property=DestroyString(property); label=GetImageProperty(image,"label"); draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL); draw_info->text=ConstantString(label); if (((image->columns != 0) || (image->rows != 0)) && (image_info->pointsize == 0.0)) { /* Fit label to canvas size. */ status=GetMultilineTypeMetrics(image,draw_info,&metrics); for ( ; status != MagickFalse; draw_info->pointsize*=2.0) { width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5); height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5); if (((image->columns != 0) && (width > (image->columns+1))) || ((image->rows != 0) && (height > (image->rows+1)))) break; status=GetMultilineTypeMetrics(image,draw_info,&metrics); } for ( ; status != MagickFalse; draw_info->pointsize--) { width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5); height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5); if ((image->columns != 0) && (width <= (image->columns+1)) && ((image->rows == 0) || (height <= (image->rows+1)))) break; if ((image->rows != 0) && (height <= (image->rows+1)) && ((image->columns == 0) || (width <= (image->columns+1)))) break; if (draw_info->pointsize < 2.0) break; status=GetMultilineTypeMetrics(image,draw_info,&metrics); } } status=GetMultilineTypeMetrics(image,draw_info,&metrics); if (status == MagickFalse) { InheritException(exception,&image->exception); image=DestroyImageList(image); return((Image *) NULL); } if (image->columns == 0) image->columns=(size_t) (metrics.width+draw_info->stroke_width+1.5); if (image->columns == 0) image->columns=(size_t) (draw_info->pointsize+ draw_info->stroke_width+1.5); if (draw_info->gravity == UndefinedGravity) { (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g", -metrics.bounds.x1+draw_info->stroke_width/2.0,metrics.ascent+ draw_info->stroke_width/2.0); draw_info->geometry=AcquireString(geometry); } if (image->rows == 0) image->rows=(size_t) floor(metrics.height+draw_info->stroke_width+0.5); if (image->rows == 0) image->rows=(size_t) floor(draw_info->pointsize+draw_info->stroke_width+ 0.5); if (SetImageBackgroundColor(image) == MagickFalse) { InheritException(exception,&image->exception); image=DestroyImageList(image); return((Image *) NULL); } (void) AnnotateImage(image,draw_info); if (image_info->pointsize == 0.0) { char pointsize[MaxTextExtent]; (void) FormatLocaleString(pointsize,MaxTextExtent,"%.20g", draw_info->pointsize); (void) SetImageProperty(image,"label:pointsize",pointsize); } draw_info=DestroyDrawInfo(draw_info); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d R G B I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadRGBImage() reads an image of raw RGB or RGBA 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 *canvas_image, *image; long y; MagickBooleanType status; MagickOffsetType scene; QuantumInfo *quantum_info; QuantumType quantum_type; register long i, j; Quantum qx[3]; ssize_t count; size_t length; unsigned char *pixels; QuantumType quantum_types[4]; char sfx[] = {0, 0}; int channels = 3; /* 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); if ((image->columns == 0) || (image->rows == 0)) ThrowReaderException(OptionError,"MustSpecifyImageSize"); if (image_info->interlace != PartitionInterlace) { status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } for (i=0; i < image->offset; i++) if (ReadBlobByte(image) == EOF) { ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } } /* Create virtual canvas to support cropping (i.e. image.rgb[100x100+10+20]). */ canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse, exception); (void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod); quantum_info=AcquireQuantumInfo(image_info,canvas_image); if (quantum_info == (QuantumInfo *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); pixels=GetQuantumPixels(quantum_info); quantum_type=RGBQuantum; if (LocaleCompare(image_info->magick,"RGBA") == 0) { quantum_type=RGBAQuantum; image->matte=MagickTrue; channels=4; } if (LocaleCompare(image_info->magick,"RGBO") == 0) { quantum_type=RGBOQuantum; image->matte=MagickTrue; channels=4; } if (image_info->number_scenes != 0) while (image->scene < image_info->scene) { /* Skip to next image. */ image->scene++; length=GetQuantumExtent(canvas_image,quantum_info,quantum_type); for (y=0; y < (long) image->rows; y++) { count=ReadBlob(image,length,pixels); if (count != (ssize_t) length) break; } } for (i=0; i < channels; i++) { switch(image_info->magick[i]) { case 'R': quantum_types[i]=RedQuantum; break; case 'G': quantum_types[i]=GreenQuantum; break; case 'B': quantum_types[i]=BlueQuantum; break; case 'A': quantum_types[i]=AlphaQuantum; break; case 'O': quantum_types[i]=OpacityQuantum; break; } } count=0; length=0; scene=0; do { /* Read pixels to virtual canvas image then push to image. */ 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... */ if (scene == 0) { length=GetQuantumExtent(canvas_image,quantum_info,quantum_type); count=ReadBlob(image,length,pixels); if (count != (ssize_t) length) break; } for (y=0; y < (long) image->extract_info.height; y++) { register const PixelPacket *__restrict p; register long x; register PixelPacket *__restrict q; if (count != (ssize_t) length) { ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (PixelPacket *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,quantum_type,pixels,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (long) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=QueueAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) break; for (x=0; x < (long) image->columns; x++) { qx[0]=p->red; qx[1]=p->green; qx[2]=p->blue; for (i=0; i < 3; i++) switch(quantum_types[i]) { case RedQuantum: q->red=qx[i]; break; case GreenQuantum: q->green=qx[i]; break; case BlueQuantum: q->blue=qx[i]; break; default: break; } q->opacity=OpaqueOpacity; if (image->matte != MagickFalse) q->opacity=p->opacity; p++; q++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,y,image->rows); if (status == MagickFalse) break; } count=ReadBlob(image,length,pixels); } break; } case LineInterlace: { /* Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... */ if (scene == 0) { length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[0]); count=ReadBlob(image,length,pixels); } for (y=0; y < (long) image->extract_info.height; y++) { register const PixelPacket *__restrict p; register long x; register PixelPacket *__restrict q; if (count != (ssize_t) length) { ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } for (i=0; i < channels; i++) { q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (PixelPacket *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,quantum_types[i],pixels,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (long) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x, 0,canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) break; if (i == (channels - 1)) for (x=0; x < (long) image->columns; x++) { q->red=p->red; q->green=p->green; q->blue=p->blue; q->opacity=p->opacity; p++; q++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } count=ReadBlob(image,length,pixels); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,y,image->rows); if (status == MagickFalse) break; } } break; } case PlaneInterlace: { /* Plane interlacing: RRRRRR...GGGGGG...BBBBBB... */ if (scene == 0) { length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[0]); count=ReadBlob(image,length,pixels); } for (i=0; i < channels; i++) { for (y=0; y < (long) image->extract_info.height; y++) { register const PixelPacket *__restrict p; register long x; register PixelPacket *__restrict q; if (count != (ssize_t) length) { ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (PixelPacket *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,quantum_types[i],pixels,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (long) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) break; for (x=0; x < (long) image->columns; x++) { switch(quantum_types[i]) { case RedQuantum: q->red=p->red; break; case GreenQuantum: q->green=p->green; break; case BlueQuantum: q->blue=p->blue; break; case OpacityQuantum: case AlphaQuantum: q->opacity=p->opacity; break; default: break; } p++; q++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } count=ReadBlob(image,length,pixels); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,(i+1),5); if (status == MagickFalse) break; } } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,5,5); if (status == MagickFalse) break; } break; } case PartitionInterlace: { /* Partition interlacing: RRRRRR..., GGGGGG..., BBBBBB... */ for (i=0; i < channels; i++) { sfx[0]=image_info->magick[i]; AppendImageFormat(sfx,image->filename); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { canvas_image=DestroyImageList(canvas_image); image=DestroyImageList(image); return((Image *) NULL); } if (i == 0) for (j=0; j < image->offset; j++) if (ReadBlobByte(image) == EOF) { ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } length=GetQuantumExtent(canvas_image,quantum_info,quantum_types[i]); for (j=0; j < (long) scene; j++) for (y=0; y < (long) image->extract_info.height; y++) if (ReadBlob(image,length,pixels) != (ssize_t) length) { ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } count=ReadBlob(image,length,pixels); for (y=0; y < (long) image->extract_info.height; y++) { register const PixelPacket *__restrict p; register long x; register PixelPacket *__restrict q; if (count != (ssize_t) length) { ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1, exception); if (q == (PixelPacket *) NULL) break; length=ImportQuantumPixels(canvas_image,(CacheView *) NULL, quantum_info,quantum_types[i],pixels,exception); if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse) break; if (((y-image->extract_info.y) >= 0) && ((y-image->extract_info.y) < (long) image->rows)) { p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0, canvas_image->columns,1,exception); q=GetAuthenticPixels(image,0,y-image->extract_info.y, image->columns,1,exception); if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) break; for (x=0; x < (long) image->columns; x++) { switch(quantum_types[i]) { case RedQuantum: q->red=p->red; break; case GreenQuantum: q->green=p->green; break; case BlueQuantum: q->blue=p->blue; break; case OpacityQuantum: case AlphaQuantum: q->opacity=p->opacity; break; default: break; } p++; q++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } count=ReadBlob(image,length,pixels); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,(i+1),5); if (status == MagickFalse) break; } if (i != (channels-1)) (void) CloseBlob(image); } if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,5,5); if (status == MagickFalse) break; } break; } } SetQuantumImageType(image,quantum_type); /* Proceed to next image. */ if (image_info->number_scenes != 0) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; if (count == (ssize_t) length) { /* 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; } scene++; } while (count == (ssize_t) length); quantum_info=DestroyQuantumInfo(quantum_info); InheritException(&image->exception,&canvas_image->exception); canvas_image=DestroyImage(canvas_image); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d T X T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadTXTImage() reads a text file and returns it as an image. It allocates % the memory necessary for the new Image structure and returns a pointer to % the new image. % % The format of the ReadTXTImage method is: % % Image *ReadTXTImage(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 *ReadTXTImage(const ImageInfo *image_info,ExceptionInfo *exception) { char colorspace[MaxTextExtent], text[MaxTextExtent]; Image *image; IndexPacket *indexes; long type, x_offset, y, y_offset; MagickBooleanType status; MagickPixelPacket pixel; QuantumAny range; register ssize_t i, x; register PixelPacket *q; ssize_t count; unsigned long depth, height, max_value, width; /* 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) ResetMagickMemory(text,0,sizeof(text)); (void) ReadBlobString(image,text); if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) != 0) return(ReadTEXTImage(image_info,image,text,exception)); do { width=0; height=0; max_value=0; *colorspace='\0'; count=(ssize_t) sscanf(text+32,"%lu,%lu,%lu,%s",&width,&height,&max_value, colorspace); if ((count != 4) || (width == 0) || (height == 0) || (max_value == 0)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); image->columns=width; image->rows=height; for (depth=1; (GetQuantumRange(depth)+1) < max_value; depth++) ; image->depth=depth; status=SetImageExtent(image,image->columns,image->rows); if (status == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } LocaleLower(colorspace); i=(ssize_t) strlen(colorspace)-1; image->matte=MagickFalse; if ((i > 0) && (colorspace[i] == 'a')) { colorspace[i]='\0'; image->matte=MagickTrue; } type=ParseCommandOption(MagickColorspaceOptions,MagickFalse,colorspace); if (type < 0) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); image->colorspace=(ColorspaceType) type; (void) ResetMagickMemory(&pixel,0,sizeof(pixel)); (void) SetImageBackgroundColor(image); range=GetQuantumRange(image->depth); for (y=0; y < (ssize_t) image->rows; y++) { double blue, green, index, opacity, red; red=0.0; green=0.0; blue=0.0; index=0.0; opacity=0.0; for (x=0; x < (ssize_t) image->columns; x++) { if (ReadBlobString(image,text) == (char *) NULL) break; switch (image->colorspace) { case GRAYColorspace: { if (image->matte != MagickFalse) { (void) sscanf(text,"%ld,%ld: (%lf%*[%,]%lf%*[%,]",&x_offset, &y_offset,&red,&opacity); green=red; blue=red; break; } (void) sscanf(text,"%ld,%ld: (%lf%*[%,]",&x_offset,&y_offset,&red); green=red; blue=red; break; } case CMYKColorspace: { if (image->matte != MagickFalse) { (void) sscanf(text, "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]", &x_offset,&y_offset,&red,&green,&blue,&index,&opacity); break; } (void) sscanf(text, "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",&x_offset, &y_offset,&red,&green,&blue,&index); break; } default: { if (image->matte != MagickFalse) { (void) sscanf(text, "%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]", &x_offset,&y_offset,&red,&green,&blue,&opacity); break; } (void) sscanf(text,"%ld,%ld: (%lf%*[%,]%lf%*[%,]%lf%*[%,]", &x_offset,&y_offset,&red,&green,&blue); break; } } if (strchr(text,'%') != (char *) NULL) { red*=0.01*range; green*=0.01*range; blue*=0.01*range; index*=0.01*range; opacity*=0.01*range; } if (image->colorspace == LabColorspace) { green+=(range+1)/2.0; blue+=(range+1)/2.0; } pixel.red=ScaleAnyToQuantum((QuantumAny) (red+0.5),range); pixel.green=ScaleAnyToQuantum((QuantumAny) (green+0.5),range); pixel.blue=ScaleAnyToQuantum((QuantumAny) (blue+0.5),range); pixel.index=ScaleAnyToQuantum((QuantumAny) (index+0.5),range); pixel.opacity=ScaleAnyToQuantum((QuantumAny) (opacity+0.5),range); q=GetAuthenticPixels(image,x_offset,y_offset,1,1,exception); if (q == (PixelPacket *) NULL) continue; SetPixelRed(q,pixel.red); SetPixelGreen(q,pixel.green); SetPixelBlue(q,pixel.blue); if (image->colorspace == CMYKColorspace) { indexes=GetAuthenticIndexQueue(image); SetPixelIndex(indexes,pixel.index); } if (image->matte != MagickFalse) SetPixelAlpha(q,pixel.opacity); if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } } (void) ReadBlobString(image,text); if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) == 0) { /* 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 (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) == 0); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d V I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadVIFFImage() reads a Khoros Visualization 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 ReadVIFFImage method is: % % Image *ReadVIFFImage(const ImageInfo *image_info, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image: Method ReadVIFFImage returns a pointer to the image after % reading. A null image is returned if there is a memory shortage or if % the image cannot be read. % % o image_info: the image info. % % o exception: return any errors or warnings in this structure. % */ static Image *ReadVIFFImage(const ImageInfo *image_info, ExceptionInfo *exception) { #define VFF_CM_genericRGB 15 #define VFF_CM_ntscRGB 1 #define VFF_CM_NONE 0 #define VFF_DEP_DECORDER 0x4 #define VFF_DEP_NSORDER 0x8 #define VFF_DES_RAW 0 #define VFF_LOC_IMPLICIT 1 #define VFF_MAPTYP_NONE 0 #define VFF_MAPTYP_1_BYTE 1 #define VFF_MAPTYP_2_BYTE 2 #define VFF_MAPTYP_4_BYTE 4 #define VFF_MAPTYP_FLOAT 5 #define VFF_MAPTYP_DOUBLE 7 #define VFF_MS_NONE 0 #define VFF_MS_ONEPERBAND 1 #define VFF_MS_SHARED 3 #define VFF_TYP_BIT 0 #define VFF_TYP_1_BYTE 1 #define VFF_TYP_2_BYTE 2 #define VFF_TYP_4_BYTE 4 #define VFF_TYP_FLOAT 5 #define VFF_TYP_DOUBLE 9 typedef struct _ViffInfo { unsigned char identifier, file_type, release, version, machine_dependency, reserve[3]; char comment[512]; unsigned int rows, columns, subrows; int x_offset, y_offset; float x_bits_per_pixel, y_bits_per_pixel; unsigned int location_type, location_dimension, number_of_images, number_data_bands, data_storage_type, data_encode_scheme, map_scheme, map_storage_type, map_rows, map_columns, map_subrows, map_enable, maps_per_cycle, color_space_model; } ViffInfo; double min_value, scale_factor, value; Image *image; int bit; MagickBooleanType status; MagickSizeType number_pixels; register IndexPacket *indexes; register ssize_t x; register PixelPacket *q; register ssize_t i; register unsigned char *p; size_t bytes_per_pixel, max_packets, quantum; ssize_t count, y; unsigned char *pixels; unsigned long lsb_first; ViffInfo viff_info; /* 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); } /* Read VIFF header (1024 bytes). */ count=ReadBlob(image,1,&viff_info.identifier); do { /* Verify VIFF identifier. */ if ((count != 1) || ((unsigned char) viff_info.identifier != 0xab)) ThrowReaderException(CorruptImageError,"NotAVIFFImage"); /* Initialize VIFF image. */ (void) ReadBlob(image,sizeof(viff_info.file_type),&viff_info.file_type); (void) ReadBlob(image,sizeof(viff_info.release),&viff_info.release); (void) ReadBlob(image,sizeof(viff_info.version),&viff_info.version); (void) ReadBlob(image,sizeof(viff_info.machine_dependency), &viff_info.machine_dependency); (void) ReadBlob(image,sizeof(viff_info.reserve),viff_info.reserve); (void) ReadBlob(image,512,(unsigned char *) viff_info.comment); viff_info.comment[511]='\0'; if (strlen(viff_info.comment) > 4) (void) SetImageProperty(image,"comment",viff_info.comment); if ((viff_info.machine_dependency == VFF_DEP_DECORDER) || (viff_info.machine_dependency == VFF_DEP_NSORDER)) image->endian=LSBEndian; else image->endian=MSBEndian; viff_info.rows=ReadBlobLong(image); viff_info.columns=ReadBlobLong(image); viff_info.subrows=ReadBlobLong(image); viff_info.x_offset=(int) ReadBlobLong(image); viff_info.y_offset=(int) ReadBlobLong(image); viff_info.x_bits_per_pixel=(float) ReadBlobLong(image); viff_info.y_bits_per_pixel=(float) ReadBlobLong(image); viff_info.location_type=ReadBlobLong(image); viff_info.location_dimension=ReadBlobLong(image); viff_info.number_of_images=ReadBlobLong(image); viff_info.number_data_bands=ReadBlobLong(image); viff_info.data_storage_type=ReadBlobLong(image); viff_info.data_encode_scheme=ReadBlobLong(image); viff_info.map_scheme=ReadBlobLong(image); viff_info.map_storage_type=ReadBlobLong(image); viff_info.map_rows=ReadBlobLong(image); viff_info.map_columns=ReadBlobLong(image); viff_info.map_subrows=ReadBlobLong(image); viff_info.map_enable=ReadBlobLong(image); viff_info.maps_per_cycle=ReadBlobLong(image); viff_info.color_space_model=ReadBlobLong(image); for (i=0; i < 420; i++) (void) ReadBlobByte(image); if (EOFBlob(image) != MagickFalse) ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile"); image->columns=viff_info.rows; image->rows=viff_info.columns; image->depth=viff_info.x_bits_per_pixel <= 8 ? 8UL : MAGICKCORE_QUANTUM_DEPTH; /* Verify that we can read this VIFF image. */ number_pixels=(MagickSizeType) viff_info.columns*viff_info.rows; if (number_pixels != (size_t) number_pixels) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); if (number_pixels == 0) ThrowReaderException(CoderError,"ImageColumnOrRowSizeIsNotSupported"); if ((viff_info.number_data_bands < 1) || (viff_info.number_data_bands > 4)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); if ((viff_info.data_storage_type != VFF_TYP_BIT) && (viff_info.data_storage_type != VFF_TYP_1_BYTE) && (viff_info.data_storage_type != VFF_TYP_2_BYTE) && (viff_info.data_storage_type != VFF_TYP_4_BYTE) && (viff_info.data_storage_type != VFF_TYP_FLOAT) && (viff_info.data_storage_type != VFF_TYP_DOUBLE)) ThrowReaderException(CoderError,"DataStorageTypeIsNotSupported"); if (viff_info.data_encode_scheme != VFF_DES_RAW) ThrowReaderException(CoderError,"DataEncodingSchemeIsNotSupported"); if ((viff_info.map_storage_type != VFF_MAPTYP_NONE) && (viff_info.map_storage_type != VFF_MAPTYP_1_BYTE) && (viff_info.map_storage_type != VFF_MAPTYP_2_BYTE) && (viff_info.map_storage_type != VFF_MAPTYP_4_BYTE) && (viff_info.map_storage_type != VFF_MAPTYP_FLOAT) && (viff_info.map_storage_type != VFF_MAPTYP_DOUBLE)) ThrowReaderException(CoderError,"MapStorageTypeIsNotSupported"); if ((viff_info.color_space_model != VFF_CM_NONE) && (viff_info.color_space_model != VFF_CM_ntscRGB) && (viff_info.color_space_model != VFF_CM_genericRGB)) ThrowReaderException(CoderError,"ColorspaceModelIsNotSupported"); if (viff_info.location_type != VFF_LOC_IMPLICIT) ThrowReaderException(CoderError,"LocationTypeIsNotSupported"); if (viff_info.number_of_images != 1) ThrowReaderException(CoderError,"NumberOfImagesIsNotSupported"); if (viff_info.map_rows == 0) viff_info.map_scheme=VFF_MS_NONE; switch ((int) viff_info.map_scheme) { case VFF_MS_NONE: { if (viff_info.number_data_bands < 3) { /* Create linear color ramp. */ if (viff_info.data_storage_type == VFF_TYP_BIT) image->colors=2; else if (viff_info.data_storage_type == VFF_MAPTYP_1_BYTE) image->colors=256UL; else image->colors=image->depth <= 8 ? 256UL : 65536UL; if (AcquireImageColormap(image,image->colors) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); } break; } case VFF_MS_ONEPERBAND: case VFF_MS_SHARED: { unsigned char *viff_colormap; /* Allocate VIFF colormap. */ switch ((int) viff_info.map_storage_type) { case VFF_MAPTYP_1_BYTE: bytes_per_pixel=1; break; case VFF_MAPTYP_2_BYTE: bytes_per_pixel=2; break; case VFF_MAPTYP_4_BYTE: bytes_per_pixel=4; break; case VFF_MAPTYP_FLOAT: bytes_per_pixel=4; break; case VFF_MAPTYP_DOUBLE: bytes_per_pixel=8; break; default: bytes_per_pixel=1; break; } image->colors=viff_info.map_columns; if (AcquireImageColormap(image,image->colors) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); viff_colormap=(unsigned char *) AcquireQuantumMemory(image->colors, viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap)); if (viff_colormap == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); /* Read VIFF raster colormap. */ (void) ReadBlob(image,bytes_per_pixel*image->colors*viff_info.map_rows, viff_colormap); lsb_first=1; if (*(char *) &lsb_first && ((viff_info.machine_dependency != VFF_DEP_DECORDER) && (viff_info.machine_dependency != VFF_DEP_NSORDER))) switch ((int) viff_info.map_storage_type) { case VFF_MAPTYP_2_BYTE: { MSBOrderShort(viff_colormap,(bytes_per_pixel*image->colors* viff_info.map_rows)); break; } case VFF_MAPTYP_4_BYTE: case VFF_MAPTYP_FLOAT: { MSBOrderLong(viff_colormap,(bytes_per_pixel*image->colors* viff_info.map_rows)); break; } default: break; } for (i=0; i < (ssize_t) (viff_info.map_rows*image->colors); i++) { switch ((int) viff_info.map_storage_type) { case VFF_MAPTYP_2_BYTE: value=1.0*((short *) viff_colormap)[i]; break; case VFF_MAPTYP_4_BYTE: value=1.0*((int *) viff_colormap)[i]; break; case VFF_MAPTYP_FLOAT: value=((float *) viff_colormap)[i]; break; case VFF_MAPTYP_DOUBLE: value=((double *) viff_colormap)[i]; break; default: value=1.0*viff_colormap[i]; break; } if (i < (ssize_t) image->colors) { image->colormap[i].red=ScaleCharToQuantum((unsigned char) value); image->colormap[i].green=ScaleCharToQuantum((unsigned char) value); image->colormap[i].blue=ScaleCharToQuantum((unsigned char) value); } else if (i < (ssize_t) (2*image->colors)) image->colormap[i % image->colors].green=ScaleCharToQuantum( (unsigned char) value); else if (i < (ssize_t) (3*image->colors)) image->colormap[i % image->colors].blue=ScaleCharToQuantum( (unsigned char) value); } viff_colormap=(unsigned char *) RelinquishMagickMemory(viff_colormap); break; } default: ThrowReaderException(CoderError,"ColormapTypeNotSupported"); } /* Initialize image structure. */ image->matte=viff_info.number_data_bands == 4 ? MagickTrue : MagickFalse; image->storage_class= (viff_info.number_data_bands < 3 ? PseudoClass : DirectClass); image->columns=viff_info.rows; image->rows=viff_info.columns; if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; status=SetImageExtent(image,image->columns,image->rows); if (status == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } /* Allocate VIFF pixels. */ switch ((int) viff_info.data_storage_type) { case VFF_TYP_2_BYTE: bytes_per_pixel=2; break; case VFF_TYP_4_BYTE: bytes_per_pixel=4; break; case VFF_TYP_FLOAT: bytes_per_pixel=4; break; case VFF_TYP_DOUBLE: bytes_per_pixel=8; break; default: bytes_per_pixel=1; break; } if (viff_info.data_storage_type == VFF_TYP_BIT) max_packets=((image->columns+7UL) >> 3UL)*image->rows; else max_packets=(size_t) (number_pixels*viff_info.number_data_bands); pixels=(unsigned char *) AcquireQuantumMemory(max_packets, bytes_per_pixel*sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); (void) ReadBlob(image,bytes_per_pixel*max_packets,pixels); lsb_first=1; if (*(char *) &lsb_first && ((viff_info.machine_dependency != VFF_DEP_DECORDER) && (viff_info.machine_dependency != VFF_DEP_NSORDER))) switch ((int) viff_info.data_storage_type) { case VFF_TYP_2_BYTE: { MSBOrderShort(pixels,bytes_per_pixel*max_packets); break; } case VFF_TYP_4_BYTE: case VFF_TYP_FLOAT: { MSBOrderLong(pixels,bytes_per_pixel*max_packets); break; } default: break; } min_value=0.0; scale_factor=1.0; if ((viff_info.data_storage_type != VFF_TYP_1_BYTE) && (viff_info.map_scheme == VFF_MS_NONE)) { double max_value; /* Determine scale factor. */ switch ((int) viff_info.data_storage_type) { case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[0]; break; case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[0]; break; case VFF_TYP_FLOAT: value=((float *) pixels)[0]; break; case VFF_TYP_DOUBLE: value=((double *) pixels)[0]; break; default: value=1.0*pixels[0]; break; } max_value=value; min_value=value; for (i=0; i < (ssize_t) max_packets; i++) { switch ((int) viff_info.data_storage_type) { case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[i]; break; case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[i]; break; case VFF_TYP_FLOAT: value=((float *) pixels)[i]; break; case VFF_TYP_DOUBLE: value=((double *) pixels)[i]; break; default: value=1.0*pixels[i]; break; } if (value > max_value) max_value=value; else if (value < min_value) min_value=value; } if ((min_value == 0) && (max_value == 0)) scale_factor=0; else if (min_value == max_value) { scale_factor=(MagickRealType) QuantumRange/min_value; min_value=0; } else scale_factor=(MagickRealType) QuantumRange/(max_value-min_value); } /* Convert pixels to Quantum size. */ p=(unsigned char *) pixels; for (i=0; i < (ssize_t) max_packets; i++) { switch ((int) viff_info.data_storage_type) { case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[i]; break; case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[i]; break; case VFF_TYP_FLOAT: value=((float *) pixels)[i]; break; case VFF_TYP_DOUBLE: value=((double *) pixels)[i]; break; default: value=1.0*pixels[i]; break; } if (viff_info.map_scheme == VFF_MS_NONE) { value=(value-min_value)*scale_factor; if (value > QuantumRange) value=QuantumRange; else if (value < 0) value=0; } *p=(unsigned char) ((Quantum) value); p++; } /* Convert VIFF raster image to pixel packets. */ p=(unsigned char *) pixels; if (viff_info.data_storage_type == VFF_TYP_BIT) { /* Convert bitmap scanline. */ if (image->storage_class != PseudoClass) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); for (y=0; y < (ssize_t) image->rows; y++) { q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) break; indexes=GetAuthenticIndexQueue(image); for (x=0; x < (ssize_t) (image->columns-7); x+=8) { for (bit=0; bit < 8; bit++) { quantum=(size_t) ((*p) & (0x01 << bit) ? 0 : 1); SetPixelRed(q,quantum == 0 ? 0 : QuantumRange); SetPixelGreen(q,quantum == 0 ? 0 : QuantumRange); SetPixelBlue(q,quantum == 0 ? 0 : QuantumRange); if (image->storage_class == PseudoClass) SetPixelIndex(indexes+x+bit,quantum); } p++; } if ((image->columns % 8) != 0) { for (bit=0; bit < (int) (image->columns % 8); bit++) { quantum=(size_t) ((*p) & (0x01 << bit) ? 0 : 1); SetPixelRed(q,quantum == 0 ? 0 : QuantumRange); SetPixelGreen(q,quantum == 0 ? 0 : QuantumRange); SetPixelBlue(q,quantum == 0 ? 0 : QuantumRange); if (image->storage_class == PseudoClass) SetPixelIndex(indexes+x+bit,quantum); } p++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } } else if (image->storage_class == PseudoClass) for (y=0; y < (ssize_t) image->rows; y++) { q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) break; indexes=GetAuthenticIndexQueue(image); for (x=0; x < (ssize_t) image->columns; x++) SetPixelIndex(indexes+x,*p++); if (SyncAuthenticPixels(image,exception) == MagickFalse) break; if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } else { /* Convert DirectColor scanline. */ number_pixels=(MagickSizeType) image->columns*image->rows; for (y=0; y < (ssize_t) image->rows; y++) { q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) break; for (x=0; x < (ssize_t) image->columns; x++) { SetPixelRed(q,ScaleCharToQuantum(*p)); SetPixelGreen(q,ScaleCharToQuantum(*(p+number_pixels))); SetPixelBlue(q,ScaleCharToQuantum(*(p+2*number_pixels))); if (image->colors != 0) { ssize_t index; index=(ssize_t) GetPixelRed(q); SetPixelRed(q,image->colormap[(ssize_t) ConstrainColormapIndex(image,index)].red); index=(ssize_t) GetPixelGreen(q); SetPixelGreen(q,image->colormap[(ssize_t) ConstrainColormapIndex(image,index)].green); index=(ssize_t) GetPixelRed(q); SetPixelBlue(q,image->colormap[(ssize_t) ConstrainColormapIndex(image,index)].blue); } SetPixelOpacity(q,image->matte != MagickFalse ? QuantumRange- ScaleCharToQuantum(*(p+number_pixels*3)) : OpaqueOpacity); p++; q++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } } pixels=(unsigned char *) RelinquishMagickMemory(pixels); if (image->storage_class == PseudoClass) (void) SyncImage(image); 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,&viff_info.identifier); if ((count != 0) && (viff_info.identifier == 0xab)) { /* 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 ((count != 0) && (viff_info.identifier == 0xab));
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d C A P T I O N I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadCAPTIONImage() reads a CAPTION 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 ReadCAPTIONImage method is: % % Image *ReadCAPTIONImage(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 *ReadCAPTIONImage(const ImageInfo *image_info, ExceptionInfo *exception) { char *caption, geometry[MaxTextExtent], *property, *text; const char *gravity, *option; DrawInfo *draw_info; Image *image; MagickBooleanType split, status; register ssize_t i; size_t height, width; TypeMetric metrics; /* Initialize Image structure. */ 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); (void) ResetImagePage(image,"0x0+0+0"); /* Format caption. */ option=GetImageOption(image_info,"filename"); if (option == (const char *) NULL) property=InterpretImageProperties(image_info,image,image_info->filename); else if (LocaleNCompare(option,"caption:",8) == 0) property=InterpretImageProperties(image_info,image,option+8); else property=InterpretImageProperties(image_info,image,option); (void) SetImageProperty(image,"caption",property); property=DestroyString(property); caption=ConstantString(GetImageProperty(image,"caption")); draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL); (void) CloneString(&draw_info->text,caption); gravity=GetImageOption(image_info,"gravity"); if (gravity != (char *) NULL) draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions, MagickFalse,gravity); split=MagickFalse; status=MagickTrue; if (image->columns == 0) { text=AcquireString(caption); i=FormatMagickCaption(image,draw_info,split,&metrics,&text); (void) CloneString(&draw_info->text,text); text=DestroyString(text); (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g", -metrics.bounds.x1,metrics.ascent); if (draw_info->gravity == UndefinedGravity) (void) CloneString(&draw_info->geometry,geometry); status=GetMultilineTypeMetrics(image,draw_info,&metrics); width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5); image->columns=width; } if (image->rows == 0) { split=MagickTrue; text=AcquireString(caption); i=FormatMagickCaption(image,draw_info,split,&metrics,&text); (void) CloneString(&draw_info->text,text); text=DestroyString(text); (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g", -metrics.bounds.x1,metrics.ascent); if (draw_info->gravity == UndefinedGravity) (void) CloneString(&draw_info->geometry,geometry); status=GetMultilineTypeMetrics(image,draw_info,&metrics); image->rows=(size_t) ((i+1)*(metrics.ascent-metrics.descent+ draw_info->interline_spacing+draw_info->stroke_width)+0.5); } if (status != MagickFalse) status=SetImageExtent(image,image->columns,image->rows); if (status == MagickFalse) { draw_info=DestroyDrawInfo(draw_info); InheritException(exception,&image->exception); return(DestroyImageList(image)); } if (SetImageBackgroundColor(image) == MagickFalse) { draw_info=DestroyDrawInfo(draw_info); InheritException(exception,&image->exception); image=DestroyImageList(image); return((Image *) NULL); } if (fabs(image_info->pointsize) < MagickEpsilon) { double high, low; /* Auto fit text into bounding box. */ for ( ; ; draw_info->pointsize*=2.0) { text=AcquireString(caption); i=FormatMagickCaption(image,draw_info,split,&metrics,&text); (void) CloneString(&draw_info->text,text); text=DestroyString(text); (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g", -metrics.bounds.x1,metrics.ascent); if (draw_info->gravity == UndefinedGravity) (void) CloneString(&draw_info->geometry,geometry); status=GetMultilineTypeMetrics(image,draw_info,&metrics); (void) status; width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5); height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5); if ((image->columns != 0) && (image->rows != 0)) { if ((width >= image->columns) && (height >= image->rows)) break; } else if (((image->columns != 0) && (width >= image->columns)) || ((image->rows != 0) && (height >= image->rows))) break; } high=draw_info->pointsize; for (low=1.0; (high-low) > 0.5; ) { draw_info->pointsize=(low+high)/2.0; text=AcquireString(caption); i=FormatMagickCaption(image,draw_info,split,&metrics,&text); (void) CloneString(&draw_info->text,text); text=DestroyString(text); (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g", -metrics.bounds.x1,metrics.ascent); if (draw_info->gravity == UndefinedGravity) (void) CloneString(&draw_info->geometry,geometry); (void) GetMultilineTypeMetrics(image,draw_info,&metrics); width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5); height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5); if ((image->columns != 0) && (image->rows != 0)) { if ((width < image->columns) && (height < image->rows)) low=draw_info->pointsize+0.5; else high=draw_info->pointsize-0.5; } else if (((image->columns != 0) && (width < image->columns)) || ((image->rows != 0) && (height < image->rows))) low=draw_info->pointsize+0.5; else high=draw_info->pointsize-0.5; } draw_info->pointsize=(low+high)/2.0-0.5; } /* Draw caption. */ i=FormatMagickCaption(image,draw_info,split,&metrics,&caption); (void) CloneString(&draw_info->text,caption); (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",MagickMax( draw_info->direction == RightToLeftDirection ? image->columns- metrics.bounds.x2 : -metrics.bounds.x1,0.0),draw_info->gravity == UndefinedGravity ? metrics.ascent : 0.0); draw_info->geometry=AcquireString(geometry); status=AnnotateImage(image,draw_info); if (image_info->pointsize == 0.0) { char pointsize[MaxTextExtent]; (void) FormatLocaleString(pointsize,MaxTextExtent,"%.20g", draw_info->pointsize); (void) SetImageProperty(image,"caption:pointsize",pointsize); } draw_info=DestroyDrawInfo(draw_info); caption=DestroyString(caption); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d J B I G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadJBIGImage() reads a JBIG 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 ReadJBIGImage method is: % % Image *ReadJBIGImage(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 *ReadJBIGImage(const ImageInfo *image_info, ExceptionInfo *exception) { Image *image; IndexPacket index; long length, y; MagickBooleanType status; register IndexPacket *indexes; register long x; register PixelPacket *q; register unsigned char *p; ssize_t count; struct jbg_dec_state jbig_info; unsigned char bit, *buffer, byte; /* 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); } /* Initialize JBIG toolkit. */ jbg_dec_init(&jbig_info); jbg_dec_maxsize(&jbig_info,(unsigned long) image->columns,(unsigned long) image->rows); image->columns=jbg_dec_getwidth(&jbig_info); image->rows=jbg_dec_getheight(&jbig_info); image->depth=8; image->storage_class=PseudoClass; image->colors=2; /* Read JBIG file. */ buffer=(unsigned char *) AcquireQuantumMemory(MagickMaxBufferSize, sizeof(*buffer)); if (buffer == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); status=JBG_EAGAIN; do { length=(long) ReadBlob(image,MagickMaxBufferSize,buffer); if (length == 0) break; p=buffer; count=0; while ((length > 0) && ((status == JBG_EAGAIN) || (status == JBG_EOK))) { size_t count; status=jbg_dec_in(&jbig_info,p,length,&count); p+=count; length-=(long) count; } } while ((status == JBG_EAGAIN) || (status == JBG_EOK)); /* Create colormap. */ image->columns=jbg_dec_getwidth(&jbig_info); image->rows=jbg_dec_getheight(&jbig_info); if (AllocateImageColormap(image,2) == MagickFalse) { buffer=(unsigned char *) RelinquishMagickMemory(buffer); ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); } image->colormap[0].red=0; image->colormap[0].green=0; image->colormap[0].blue=0; image->colormap[1].red=QuantumRange; image->colormap[1].green=QuantumRange; image->colormap[1].blue=QuantumRange; image->x_resolution=300; image->y_resolution=300; if (image_info->ping != MagickFalse) { (void) CloseBlob(image); return(GetFirstImageInList(image)); } /* Convert X bitmap image to pixel packets. */ if (SetImageExtent(image,0,0) == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } p=jbg_dec_getimage(&jbig_info,0); for (y=0; y < (long) image->rows; y++) { q=SetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; indexes=GetIndexes(image); bit=0; byte=0; for (x=0; x < (long) image->columns; x++) { if (bit == 0) byte=(*p++); index=(byte & 0x80) ? 0 : 1; bit++; byte<<=1; if (bit == 8) bit=0; indexes[x]=index; *q++=image->colormap[(long) index]; } if (SyncImagePixels(image) == MagickFalse) break; 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; } } /* Free scale resource. */ jbg_dec_free(&jbig_info); buffer=(unsigned char *) RelinquishMagickMemory(buffer); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d H D R I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadHDRImage() reads the Radiance RGBE image format 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 ReadHDRImage method is: % % Image *ReadHDRImage(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 *ReadHDRImage(const ImageInfo *image_info,ExceptionInfo *exception) { char format[MaxTextExtent], keyword[MaxTextExtent], tag[MaxTextExtent], value[MaxTextExtent]; double gamma; Image *image; int c; MagickBooleanType status, value_expected; register PixelPacket *q; register unsigned char *p; register ssize_t i, x; ssize_t count, y; unsigned char *end, pixel[4], *pixels; /* 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); } /* Decode image header. */ image->columns=0; image->rows=0; *format='\0'; c=ReadBlobByte(image); if (c == EOF) { image=DestroyImage(image); return((Image *) NULL); } while (isgraph(c) && (image->columns == 0) && (image->rows == 0)) { if (c == (int) '#') { char *comment; register char *p; size_t length; /* Read comment-- any text between # and end-of-line. */ length=MaxTextExtent; comment=AcquireString((char *) NULL); for (p=comment; comment != (char *) NULL; p++) { c=ReadBlobByte(image); if ((c == EOF) || (c == (int) '\n')) 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) c=ReadBlobByte(image); else { register char *p; /* Determine a keyword and its value. */ p=keyword; do { if ((size_t) (p-keyword) < (MaxTextExtent-1)) *p++=c; c=ReadBlobByte(image); } while (isalnum(c) || (c == '_')); *p='\0'; value_expected=MagickFalse; while ((isspace((int) ((unsigned char) c)) != 0) || (c == '=')) { if (c == '=') value_expected=MagickTrue; c=ReadBlobByte(image); } if (LocaleCompare(keyword,"Y") == 0) value_expected=MagickTrue; if (value_expected == MagickFalse) continue; p=value; while ((c != '\n') && (c != '\0') && (c != EOF)) { if ((size_t) (p-value) < (MaxTextExtent-1)) *p++=c; c=ReadBlobByte(image); } *p='\0'; /* Assign a value to the specified keyword. */ switch (*keyword) { case 'F': case 'f': { if (LocaleCompare(keyword,"format") == 0) { (void) CopyMagickString(format,value,MaxTextExtent); break; } (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword); (void) SetImageProperty(image,tag,value); break; } case 'G': case 'g': { if (LocaleCompare(keyword,"gamma") == 0) { image->gamma=StringToDouble(value,(char **) NULL); break; } (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword); (void) SetImageProperty(image,tag,value); break; } case 'P': case 'p': { if (LocaleCompare(keyword,"primaries") == 0) { float chromaticity[6], white_point[2]; int count; count=sscanf(value,"%g %g %g %g %g %g %g %g",&chromaticity[0], &chromaticity[1],&chromaticity[2],&chromaticity[3], &chromaticity[4],&chromaticity[5],&white_point[0], &white_point[1]); if (count == 8) { image->chromaticity.red_primary.x=chromaticity[0]; image->chromaticity.red_primary.y=chromaticity[1]; image->chromaticity.green_primary.x=chromaticity[2]; image->chromaticity.green_primary.y=chromaticity[3]; image->chromaticity.blue_primary.x=chromaticity[4]; image->chromaticity.blue_primary.y=chromaticity[5]; image->chromaticity.white_point.x=white_point[0], image->chromaticity.white_point.y=white_point[1]; } break; } (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword); (void) SetImageProperty(image,tag,value); break; } case 'Y': case 'y': { char target[] = "Y"; if (strcmp(keyword,target) == 0) { int height, width; if (sscanf(value,"%d +X %d",&height,&width) == 2) { image->columns=(size_t) width; image->rows=(size_t) height; } break; } (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword); (void) SetImageProperty(image,tag,value); break; } default: { (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword); (void) SetImageProperty(image,tag,value); break; } } } if ((image->columns == 0) && (image->rows == 0)) while (isspace((int) ((unsigned char) c)) != 0) c=ReadBlobByte(image); } if ((LocaleCompare(format,"32-bit_rle_rgbe") != 0) && (LocaleCompare(format,"32-bit_rle_xyze") != 0)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); if ((image->columns == 0) || (image->rows == 0)) ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize"); (void) SetImageColorspace(image,RGBColorspace); if (LocaleCompare(format,"32-bit_rle_xyze") == 0) (void) SetImageColorspace(image,XYZColorspace); image->compression=(image->columns < 8) || (image->columns > 0x7ffff) ? NoCompression : RLECompression; if (image_info->ping != MagickFalse) { (void) CloseBlob(image); return(GetFirstImageInList(image)); } status=SetImageExtent(image,image->columns,image->rows); if (status == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } /* Read RGBE (red+green+blue+exponent) pixels. */ pixels=(unsigned char *) AcquireQuantumMemory(image->columns,4* sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); for (y=0; y < (ssize_t) image->rows; y++) { if (image->compression != RLECompression) { count=ReadBlob(image,4*image->columns*sizeof(*pixels),pixels); if (count != (ssize_t) (4*image->columns*sizeof(*pixels))) break; } else { count=ReadBlob(image,4*sizeof(*pixel),pixel); if (count != 4) break; if ((size_t) ((((size_t) pixel[2]) << 8) | pixel[3]) != image->columns) { (void) memcpy(pixels,pixel,4*sizeof(*pixel)); (void) ReadBlob(image,4*(image->columns-1)*sizeof(*pixels),pixels+4); image->compression=NoCompression; } else { p=pixels; for (i=0; i < 4; i++) { end=&pixels[(i+1)*image->columns]; while (p < end) { count=ReadBlob(image,2*sizeof(*pixel),pixel); if (count < 1) break; if (pixel[0] > 128) { count=(ssize_t) pixel[0]-128; if ((count == 0) || (count > (ssize_t) (end-p))) break; while (count-- > 0) *p++=pixel[1]; } else { count=(ssize_t) pixel[0]; if ((count == 0) || (count > (ssize_t) (end-p))) break; *p++=pixel[1]; if (--count > 0) { count=ReadBlob(image,(size_t) count*sizeof(*p),p); if (count < 1) break; p+=count; } } } } } } q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) break; i=0; for (x=0; x < (ssize_t) image->columns; x++) { if (image->compression == RLECompression) { pixel[0]=pixels[x]; pixel[1]=pixels[x+image->columns]; pixel[2]=pixels[x+2*image->columns]; pixel[3]=pixels[x+3*image->columns]; } else { pixel[0]=pixels[i++]; pixel[1]=pixels[i++]; pixel[2]=pixels[i++]; pixel[3]=pixels[i++]; } SetPixelRed(q,0); SetPixelGreen(q,0); SetPixelBlue(q,0); if (pixel[3] != 0) { gamma=pow(2.0,pixel[3]-(128.0+8.0)); SetPixelRed(q,ClampToQuantum(QuantumRange*gamma*pixel[0])); SetPixelGreen(q,ClampToQuantum(QuantumRange*gamma*pixel[1])); SetPixelBlue(q,ClampToQuantum(QuantumRange*gamma*pixel[2])); } q++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } pixels=(unsigned char *) RelinquishMagickMemory(pixels); if (EOFBlob(image) != MagickFalse) ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d C A P T I O N I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadCAPTIONImage() reads a CAPTION 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 ReadCAPTIONImage method is: % % Image *ReadCAPTIONImage(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 *ReadCAPTIONImage(const ImageInfo *image_info, ExceptionInfo *exception) { char *caption, geometry[MaxTextExtent], *property; const char *gravity; DrawInfo *draw_info; Image *image; MagickBooleanType status; register long i; TypeMetric metrics; unsigned long height, width; /* Initialize Image structure. */ 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); if (image->columns == 0) ThrowReaderException(OptionError,"MustSpecifyImageSize"); (void) ResetImagePage(image,"0x0+0+0"); /* Format caption. */ property=InterpretImageProperties(image_info,image,image_info->filename); (void) SetImageProperty(image,"caption",property); property=DestroyString(property); caption=ConstantString(GetImageProperty(image,"caption")); draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL); draw_info->text=ConstantString(caption); gravity=GetImageOption(image_info,"gravity"); if (gravity != (char *) NULL) draw_info->gravity=(GravityType) ParseMagickOption(MagickGravityOptions, MagickFalse,gravity); if ((*caption != '\0') && (image->rows != 0) && (image_info->pointsize == 0.0)) { char *text; /* Scale text to fit bounding box. */ for ( ; ; ) { text=AcquireString(caption); i=FormatMagickCaption(image,draw_info,&metrics,&text); (void) CloneString(&draw_info->text,text); text=DestroyString(text); (void) FormatMagickString(geometry,MaxTextExtent,"%+g%+g", -metrics.bounds.x1,metrics.ascent); if (draw_info->gravity == UndefinedGravity) (void) CloneString(&draw_info->geometry,geometry); status=GetMultilineTypeMetrics(image,draw_info,&metrics); width=(unsigned long) floor(metrics.width+draw_info->stroke_width+0.5); height=(unsigned long) floor(metrics.height+draw_info->stroke_width+ 0.5); if ((width > (image->columns+1)) || (height > (image->rows+1))) break; draw_info->pointsize*=2.0; } draw_info->pointsize/=2.0; for ( ; ; ) { text=AcquireString(caption); i=FormatMagickCaption(image,draw_info,&metrics,&text); (void) CloneString(&draw_info->text,text); text=DestroyString(text); (void) FormatMagickString(geometry,MaxTextExtent,"%+g%+g", -metrics.bounds.x1,metrics.ascent); if (draw_info->gravity == UndefinedGravity) (void) CloneString(&draw_info->geometry,geometry); status=GetMultilineTypeMetrics(image,draw_info,&metrics); width=(unsigned long) floor(metrics.width+draw_info->stroke_width+0.5); height=(unsigned long) floor(metrics.height+draw_info->stroke_width+ 0.5); if ((width > (image->columns+1)) || (height > (image->rows+1))) break; draw_info->pointsize++; } draw_info->pointsize--; } i=FormatMagickCaption(image,draw_info,&metrics,&caption); if (image->rows == 0) image->rows=(unsigned long) ((i+1)*(metrics.ascent-metrics.descent+ draw_info->stroke_width)+0.5); if (image->rows == 0) image->rows=(unsigned long) ((i+1)*draw_info->pointsize+ draw_info->stroke_width+0.5); if (SetImageBackgroundColor(image) == MagickFalse) { InheritException(exception,&image->exception); image=DestroyImageList(image); return((Image *) NULL); } /* Draw caption. */ (void) CloneString(&draw_info->text,caption); status=GetMultilineTypeMetrics(image,draw_info,&metrics); if (draw_info->gravity != UndefinedGravity) image->page.x=(long) (metrics.bounds.x1-draw_info->stroke_width/2.0); else { (void) FormatMagickString(geometry,MaxTextExtent,"%+g%+g", -metrics.bounds.x1+draw_info->stroke_width/2.0,metrics.ascent+ draw_info->stroke_width/2.0); (void) CloneString(&draw_info->geometry,geometry); } (void) AnnotateImage(image,draw_info); draw_info=DestroyDrawInfo(draw_info); caption=DestroyString(caption); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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; QuantumInfo quantum_info; register long i; register PixelPacket *q; ssize_t count; size_t packet_size; unsigned char *pixels; unsigned long 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++) if (ReadBlobByte(image) == EOF) { ThrowFileException(exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); break; } } /* Allocate memory for a pixels. */ packet_size=(size_t) ((3*image->depth+7)/8); if ((LocaleCompare(image_info->magick,"RGBA") == 0) || (LocaleCompare(image_info->magick,"RGBO") == 0)) { packet_size+=(image->depth+7)/8; image->matte=MagickTrue; } pixels=(unsigned char *) AcquireQuantumMemory(image->extract_info.width, packet_size*sizeof(*pixels)); if (pixels == (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,pixels); 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. */ GetQuantumInfo(image_info,&quantum_info); 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)); } 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,pixels); 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, pixels); 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,&quantum_info,RGBQuantum, pixels+offset); else if (LocaleCompare(image_info->magick,"RGBA") == 0) (void) ExportQuantumPixels(image,&quantum_info,RGBAQuantum, pixels+offset); else (void) ExportQuantumPixels(image,&quantum_info,RGBOQuantum, pixels+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,pixels); 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+7)/8); for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,pixels); 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, pixels); 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,&quantum_info,RedQuantum, pixels+offset); count=ReadBlob(image,packet_size*image->extract_info.width,pixels); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; (void) ExportQuantumPixels(image,&quantum_info,GreenQuantum, pixels+offset); count=ReadBlob(image,packet_size*image->extract_info.width,pixels); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; (void) ExportQuantumPixels(image,&quantum_info,BlueQuantum, pixels+offset); if (image->matte != MagickFalse) { count=ReadBlob(image,packet_size*image->extract_info.width, pixels); if (count != (ssize_t) (packet_size*image->extract_info.width)) break; if (LocaleCompare(image_info->magick,"RGBA") == 0) (void) ExportQuantumPixels(image,&quantum_info,AlphaQuantum, pixels+offset); else (void) ExportQuantumPixels(image,&quantum_info,OpacityQuantum, pixels+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,pixels); 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+7)/8); for (y=0; y < image->extract_info.y; y++) { count=ReadBlob(image,packet_size*image->extract_info.width,pixels); 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, pixels); 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,&quantum_info,RedQuantum, pixels+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,pixels); 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,pixels); 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,pixels); 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,&quantum_info,GreenQuantum, pixels+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,pixels); 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,pixels); 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,pixels); 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,&quantum_info,BlueQuantum, pixels+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,pixels); 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, pixels); 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, pixels); 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,&quantum_info,AlphaQuantum, pixels+offset); else (void) ExportQuantumPixels(image,&quantum_info,OpacityQuantum, pixels+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, pixels); 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,pixels); 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)); pixels=(unsigned char *) RelinquishMagickMemory(pixels); CloseBlob(image); return(GetFirstImageInList(image)); }
static Image *ReadXPMImage(const ImageInfo *image_info,ExceptionInfo *exception) { char *grey, key[MaxTextExtent], target[MaxTextExtent], *xpm_buffer; Image *image; MagickBooleanType active, status; register char *next, *p, *q; register IndexPacket *indexes; register ssize_t x; register PixelPacket *r; size_t length; SplayTreeInfo *xpm_colors; ssize_t count, j, y; unsigned long colors, columns, rows, width; /* 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); } /* Read XPM file. */ length=MaxTextExtent; xpm_buffer=(char *) AcquireQuantumMemory((size_t) length,sizeof(*xpm_buffer)); if (xpm_buffer == (char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); *xpm_buffer='\0'; p=xpm_buffer; while (ReadBlobString(image,p) != (char *) NULL) { if ((*p == '#') && ((p == xpm_buffer) || (*(p-1) == '\n'))) continue; if ((*p == '}') && (*(p+1) == ';')) break; p+=strlen(p); if ((size_t) (p-xpm_buffer+MaxTextExtent) < length) continue; length<<=1; xpm_buffer=(char *) ResizeQuantumMemory(xpm_buffer,length+MaxTextExtent, sizeof(*xpm_buffer)); if (xpm_buffer == (char *) NULL) break; p=xpm_buffer+strlen(xpm_buffer); } if (xpm_buffer == (char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); /* Remove comments. */ count=0; width=0; for (p=xpm_buffer; *p != '\0'; p++) { if (*p != '"') continue; count=(ssize_t) sscanf(p+1,"%lu %lu %lu %lu",&columns,&rows,&colors,&width); image->columns=columns; image->rows=rows; image->colors=colors; if (count == 4) break; } if ((count != 4) || (width > 10) || (image->columns == 0) || (image->rows == 0) || (image->colors == 0)) { xpm_buffer=DestroyString(xpm_buffer); ThrowReaderException(CorruptImageError,"ImproperImageHeader"); } /* Remove unquoted characters. */ active=MagickFalse; q=xpm_buffer; while (*p != '\0') { if (*p++ == '"') { if (active != MagickFalse) *q++='\n'; active=active != MagickFalse ? MagickFalse : MagickTrue; } if (active != MagickFalse) *q++=(*p); } *q='\0'; /* Initialize image structure. */ xpm_colors=NewSplayTree(CompareXPMColor,RelinquishMagickMemory, (void *(*)(void *)) NULL); if (AcquireImageColormap(image,image->colors) == MagickFalse) { xpm_buffer=DestroyString(xpm_buffer); ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); } /* Read image colormap. */ image->depth=1; next=NextXPMLine(xpm_buffer); for (j=0; (j < (ssize_t) image->colors) && (next != (char *) NULL); j++) { MagickPixelPacket pixel; p=next; next=NextXPMLine(p); (void) CopyXPMColor(key,p,MagickMin((size_t) width,MaxTextExtent-1)); status=AddValueToSplayTree(xpm_colors,ConstantString(key),(void *) j); /* Parse color. */ (void) CopyMagickString(target,"gray",MaxTextExtent); q=ParseXPMColor(p+width,MagickTrue); if (q != (char *) NULL) { while ((isspace((int) ((unsigned char) *q)) == 0) && (*q != '\0')) q++; if ((next-q) < 0) break; if (next != (char *) NULL) (void) CopyXPMColor(target,q,MagickMin((size_t) (next-q), MaxTextExtent-1)); else (void) CopyMagickString(target,q,MaxTextExtent); q=ParseXPMColor(target,MagickFalse); if (q != (char *) NULL) *q='\0'; } StripString(target); grey=strstr(target,"grey"); if (grey != (char *) NULL) grey[2]='a'; if (LocaleCompare(target,"none") == 0) { image->storage_class=DirectClass; image->matte=MagickTrue; } status=QueryColorCompliance(target,XPMCompliance,&image->colormap[j], exception); if (status == MagickFalse) break; (void) QueryMagickColorCompliance(target,XPMCompliance,&pixel,exception); if (image->depth < pixel.depth) image->depth=pixel.depth; } if (j < (ssize_t) image->colors) { xpm_colors=DestroySplayTree(xpm_colors); xpm_buffer=DestroyString(xpm_buffer); ThrowReaderException(CorruptImageError,"CorruptImage"); } j=0; if (image_info->ping == MagickFalse) { /* Read image pixels. */ status=SetImageExtent(image,image->columns,image->rows); if (status == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } for (y=0; y < (ssize_t) image->rows; y++) { p=NextXPMLine(p); if (p == (char *) NULL) break; r=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (r == (PixelPacket *) NULL) break; indexes=GetAuthenticIndexQueue(image); for (x=0; x < (ssize_t) image->columns; x++) { ssize_t count=CopyXPMColor(key,p,MagickMin(width,MaxTextExtent-1)); if (count != (ssize_t) width) break; j=(ssize_t) GetValueFromSplayTree(xpm_colors,key); if (image->storage_class == PseudoClass) SetPixelIndex(indexes+x,j); *r=image->colormap[j]; p+=count; r++; } if (x < (ssize_t) image->columns) break; if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } if (y < (ssize_t) image->rows) { xpm_colors=DestroySplayTree(xpm_colors); xpm_buffer=DestroyString(xpm_buffer); ThrowReaderException(CorruptImageError,"NotEnoughPixelData"); } } /* Relinquish resources. */ xpm_colors=DestroySplayTree(xpm_colors); xpm_buffer=DestroyString(xpm_buffer); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d T E X T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadTEXTImage() reads a text file and returns it as an image. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadTEXTImage method is: % % Image *ReadTEXTImage(const ImageInfo *image_info,Image *image, % char *text,ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: the image info. % % o image: the image. % % o text: the text storage buffer. % % o exception: return any errors or warnings in this structure. % */ static Image *ReadTEXTImage(const ImageInfo *image_info,Image *image, char *text,ExceptionInfo *exception) { char filename[MaxTextExtent], geometry[MaxTextExtent], *p; DrawInfo *draw_info; Image *texture; MagickBooleanType status; PointInfo delta; RectangleInfo page; ssize_t offset; TypeMetric metrics; /* 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); /* Set the page geometry. */ delta.x=DefaultResolution; delta.y=DefaultResolution; if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0)) { GeometryInfo geometry_info; MagickStatusType flags; flags=ParseGeometry(PSDensityGeometry,&geometry_info); image->x_resolution=geometry_info.rho; image->y_resolution=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->y_resolution=image->x_resolution; } page.width=612; page.height=792; page.x=43; page.y=43; if (image_info->page != (char *) NULL) (void) ParseAbsoluteGeometry(image_info->page,&page); /* Initialize Image structure. */ image->columns=(size_t) floor((((double) page.width*image->x_resolution)/ delta.x)+0.5); image->rows=(size_t) floor((((double) page.height*image->y_resolution)/ delta.y)+0.5); status=SetImageExtent(image,image->columns,image->rows); if (status == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } image->page.x=0; image->page.y=0; texture=(Image *) NULL; if (image_info->texture != (char *) NULL) { ImageInfo *read_info; read_info=CloneImageInfo(image_info); SetImageInfoBlob(read_info,(void *) NULL,0); (void) CopyMagickString(read_info->filename,image_info->texture, MaxTextExtent); texture=ReadImage(read_info,exception); read_info=DestroyImageInfo(read_info); } /* Annotate the text image. */ (void) SetImageBackgroundColor(image); draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL); (void) CloneString(&draw_info->text,image_info->filename); (void) FormatLocaleString(geometry,MaxTextExtent,"0x0%+ld%+ld",(long) page.x, (long) page.y); (void) CloneString(&draw_info->geometry,geometry); status=GetTypeMetrics(image,draw_info,&metrics); if (status == MagickFalse) ThrowReaderException(TypeError,"UnableToGetTypeMetrics"); page.y=(ssize_t) ceil((double) page.y+metrics.ascent-0.5); (void) FormatLocaleString(geometry,MaxTextExtent,"0x0%+ld%+ld",(long) page.x, (long) page.y); (void) CloneString(&draw_info->geometry,geometry); (void) CopyMagickString(filename,image_info->filename,MaxTextExtent); if (*draw_info->text != '\0') *draw_info->text='\0'; p=text; for (offset=2*page.y; p != (char *) NULL; ) { /* Annotate image with text. */ (void) ConcatenateString(&draw_info->text,text); (void) ConcatenateString(&draw_info->text,"\n"); offset+=(ssize_t) (metrics.ascent-metrics.descent); if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,offset,image->rows); if (status == MagickFalse) break; } p=ReadBlobString(image,text); if ((offset < (ssize_t) image->rows) && (p != (char *) NULL)) continue; if (texture != (Image *) NULL) { MagickProgressMonitor progress_monitor; progress_monitor=SetImageProgressMonitor(image, (MagickProgressMonitor) NULL,image->client_data); (void) TextureImage(image,texture); (void) SetImageProgressMonitor(image,progress_monitor, image->client_data); } (void) AnnotateImage(image,draw_info); if (p == (char *) NULL) break; /* Page is full-- allocate next image structure. */ *draw_info->text='\0'; offset=2*page.y; AcquireNextImage(image_info,image); if (GetNextImageInList(image) == (Image *) NULL) { image=DestroyImageList(image); return((Image *) NULL); } image->next->columns=image->columns; image->next->rows=image->rows; image=SyncNextImageInList(image); (void) CopyMagickString(image->filename,filename,MaxTextExtent); (void) SetImageBackgroundColor(image); status=SetImageProgress(image,LoadImagesTag,TellBlob(image), GetBlobSize(image)); if (status == MagickFalse) break; } if (texture != (Image *) NULL) { MagickProgressMonitor progress_monitor; progress_monitor=SetImageProgressMonitor(image, (MagickProgressMonitor) NULL,image->client_data); (void) TextureImage(image,texture); (void) SetImageProgressMonitor(image,progress_monitor,image->client_data); } (void) AnnotateImage(image,draw_info); if (texture != (Image *) NULL) texture=DestroyImage(texture); draw_info=DestroyDrawInfo(draw_info); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o m b i n e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CombineImages() combines one or more images into a single image. The % grayscale value of the pixels of each image in the sequence is assigned in % order to the specified channels of the combined image. The typical % ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc. % % The format of the CombineImages method is: % % Image *CombineImages(const Image *image,const ChannelType channel, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the image. % % o exception: return any errors or warnings in this structure. % */ MagickExport Image *CombineImages(const Image *image,const ChannelType channel, ExceptionInfo *exception) { #define CombineImageTag "Combine/Image" CacheView *combine_view; const Image *next; Image *combine_image; MagickBooleanType status; MagickOffsetType progress; ssize_t y; /* Ensure the image are the same size. */ assert(image != (const 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); for (next=image; next != (Image *) NULL; next=GetNextImageInList(next)) { if ((next->columns != image->columns) || (next->rows != image->rows)) ThrowImageException(OptionError,"ImagesAreNotTheSameSize"); } combine_image=CloneImage(image,0,0,MagickTrue,exception); if (combine_image == (Image *) NULL) return((Image *) NULL); if (SetImageStorageClass(combine_image,DirectClass) == MagickFalse) { InheritException(exception,&combine_image->exception); combine_image=DestroyImage(combine_image); return((Image *) NULL); } if (IssRGBCompatibleColorspace(image->colorspace) != MagickFalse) (void) SetImageColorspace(combine_image,sRGBColorspace); if ((channel & OpacityChannel) != 0) combine_image->matte=MagickTrue; (void) SetImageBackgroundColor(combine_image); /* Combine images. */ status=MagickTrue; progress=0; combine_view=AcquireAuthenticCacheView(combine_image,exception); for (y=0; y < (ssize_t) combine_image->rows; y++) { CacheView *image_view; const Image *next; PixelPacket *pixels; register const PixelPacket *restrict p; register PixelPacket *restrict q; register ssize_t x; if (status == MagickFalse) continue; pixels=GetCacheViewAuthenticPixels(combine_view,0,y,combine_image->columns, 1,exception); if (pixels == (PixelPacket *) NULL) { status=MagickFalse; continue; } next=image; if (((channel & RedChannel) != 0) && (next != (Image *) NULL)) { image_view=AcquireVirtualCacheView(next,exception); p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); if (p == (const PixelPacket *) NULL) continue; q=pixels; for (x=0; x < (ssize_t) combine_image->columns; x++) { SetPixelRed(q,ClampToQuantum(GetPixelIntensity(image,p))); p++; q++; } image_view=DestroyCacheView(image_view); next=GetNextImageInList(next); } if (((channel & GreenChannel) != 0) && (next != (Image *) NULL)) { image_view=AcquireVirtualCacheView(next,exception); p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); if (p == (const PixelPacket *) NULL) continue; q=pixels; for (x=0; x < (ssize_t) combine_image->columns; x++) { SetPixelGreen(q,ClampToQuantum(GetPixelIntensity(image,p))); p++; q++; } image_view=DestroyCacheView(image_view); next=GetNextImageInList(next); } if (((channel & BlueChannel) != 0) && (next != (Image *) NULL)) { image_view=AcquireVirtualCacheView(next,exception); p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); if (p == (const PixelPacket *) NULL) continue; q=pixels; for (x=0; x < (ssize_t) combine_image->columns; x++) { SetPixelBlue(q,ClampToQuantum(GetPixelIntensity(image,p))); p++; q++; } image_view=DestroyCacheView(image_view); next=GetNextImageInList(next); } if (((channel & OpacityChannel) != 0) && (next != (Image *) NULL)) { image_view=AcquireVirtualCacheView(next,exception); p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); if (p == (const PixelPacket *) NULL) continue; q=pixels; for (x=0; x < (ssize_t) combine_image->columns; x++) { SetPixelAlpha(q,ClampToQuantum(GetPixelIntensity(image,p))); p++; q++; } image_view=DestroyCacheView(image_view); next=GetNextImageInList(next); } if (((channel & IndexChannel) != 0) && (image->colorspace == CMYKColorspace) && (next != (Image *) NULL)) { IndexPacket *indexes; image_view=AcquireVirtualCacheView(next,exception); p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); if (p == (const PixelPacket *) NULL) continue; indexes=GetCacheViewAuthenticIndexQueue(combine_view); for (x=0; x < (ssize_t) combine_image->columns; x++) { SetPixelIndex(indexes+x,ClampToQuantum(GetPixelIntensity(image,p))); p++; } image_view=DestroyCacheView(image_view); next=GetNextImageInList(next); } if (SyncCacheViewAuthenticPixels(combine_view,exception) == MagickFalse) status=MagickFalse; if (image->progress_monitor != (MagickProgressMonitor) NULL) { MagickBooleanType proceed; proceed=SetImageProgress(image,CombineImageTag,progress++, combine_image->rows); if (proceed == MagickFalse) status=MagickFalse; } } combine_view=DestroyCacheView(combine_view); if (IsGrayColorspace(combine_image->colorspace) != MagickFalse) (void) TransformImageColorspace(combine_image,sRGBColorspace); if (status == MagickFalse) combine_image=DestroyImage(combine_image); return(combine_image); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % F r a m e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % FrameImage() adds a simulated three-dimensional border around the image. % The color of the border is defined by the matte_color member of image. % Members width and height of frame_info specify the border width of the % vertical and horizontal sides of the frame. Members inner and outer % indicate the width of the inner and outer shadows of the frame. % % The format of the FrameImage method is: % % Image *FrameImage(const Image *image,const FrameInfo *frame_info, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the image. % % o frame_info: Define the width and height of the frame and its bevels. % % o exception: return any errors or warnings in this structure. % */ MagickExport Image *FrameImage(const Image *image,const FrameInfo *frame_info, ExceptionInfo *exception) { #define FrameImageTag "Frame/Image" CacheView *image_view, *frame_view; Image *frame_image; MagickBooleanType status; MagickOffsetType progress; MagickPixelPacket accentuate, border, highlight, interior, matte, shadow, trough; register ssize_t x; size_t bevel_width, height, width; ssize_t y; /* Check frame geometry. */ assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(frame_info != (FrameInfo *) NULL); if ((frame_info->outer_bevel < 0) || (frame_info->inner_bevel < 0)) ThrowImageException(OptionError,"FrameIsLessThanImageSize"); bevel_width=(size_t) (frame_info->outer_bevel+frame_info->inner_bevel); width=frame_info->width-frame_info->x-bevel_width; height=frame_info->height-frame_info->y-bevel_width; if ((width < image->columns) || (height < image->rows)) ThrowImageException(OptionError,"FrameIsLessThanImageSize"); /* Initialize framed image attributes. */ frame_image=CloneImage(image,frame_info->width,frame_info->height,MagickTrue, exception); if (frame_image == (Image *) NULL) return((Image *) NULL); if (SetImageStorageClass(frame_image,DirectClass) == MagickFalse) { InheritException(exception,&frame_image->exception); frame_image=DestroyImage(frame_image); return((Image *) NULL); } if (frame_image->matte_color.opacity != OpaqueOpacity) frame_image->matte=MagickTrue; frame_image->page=image->page; if ((image->page.width != 0) && (image->page.height != 0)) { frame_image->page.width+=frame_image->columns-image->columns; frame_image->page.height+=frame_image->rows-image->rows; } /* Initialize 3D effects color. */ GetMagickPixelPacket(frame_image,&interior); SetMagickPixelPacket(frame_image,&image->border_color,(IndexPacket *) NULL, &interior); GetMagickPixelPacket(frame_image,&matte); matte.colorspace=RGBColorspace; SetMagickPixelPacket(frame_image,&image->matte_color,(IndexPacket *) NULL, &matte); GetMagickPixelPacket(frame_image,&border); border.colorspace=RGBColorspace; SetMagickPixelPacket(frame_image,&image->border_color,(IndexPacket *) NULL, &border); GetMagickPixelPacket(frame_image,&accentuate); accentuate.red=(MagickRealType) (QuantumScale*((QuantumRange- AccentuateModulate)*matte.red+(QuantumRange*AccentuateModulate))); accentuate.green=(MagickRealType) (QuantumScale*((QuantumRange- AccentuateModulate)*matte.green+(QuantumRange*AccentuateModulate))); accentuate.blue=(MagickRealType) (QuantumScale*((QuantumRange- AccentuateModulate)*matte.blue+(QuantumRange*AccentuateModulate))); accentuate.opacity=matte.opacity; GetMagickPixelPacket(frame_image,&highlight); highlight.red=(MagickRealType) (QuantumScale*((QuantumRange- HighlightModulate)*matte.red+(QuantumRange*HighlightModulate))); highlight.green=(MagickRealType) (QuantumScale*((QuantumRange- HighlightModulate)*matte.green+(QuantumRange*HighlightModulate))); highlight.blue=(MagickRealType) (QuantumScale*((QuantumRange- HighlightModulate)*matte.blue+(QuantumRange*HighlightModulate))); highlight.opacity=matte.opacity; GetMagickPixelPacket(frame_image,&shadow); shadow.red=QuantumScale*matte.red*ShadowModulate; shadow.green=QuantumScale*matte.green*ShadowModulate; shadow.blue=QuantumScale*matte.blue*ShadowModulate; shadow.opacity=matte.opacity; GetMagickPixelPacket(frame_image,&trough); trough.red=QuantumScale*matte.red*TroughModulate; trough.green=QuantumScale*matte.green*TroughModulate; trough.blue=QuantumScale*matte.blue*TroughModulate; trough.opacity=matte.opacity; if (image->colorspace == CMYKColorspace) { ConvertRGBToCMYK(&interior); ConvertRGBToCMYK(&matte); ConvertRGBToCMYK(&border); ConvertRGBToCMYK(&accentuate); ConvertRGBToCMYK(&highlight); ConvertRGBToCMYK(&shadow); ConvertRGBToCMYK(&trough); } status=MagickTrue; progress=0; image_view=AcquireCacheView(image); frame_view=AcquireCacheView(frame_image); height=(size_t) (frame_info->outer_bevel+(frame_info->y-bevel_width)+ frame_info->inner_bevel); if (height != 0) { register IndexPacket *restrict frame_indexes; register ssize_t x; register PixelPacket *restrict q; /* Draw top of ornamental border. */ q=QueueCacheViewAuthenticPixels(frame_view,0,0,frame_image->columns, height,exception); frame_indexes=GetCacheViewAuthenticIndexQueue(frame_view); if (q != (PixelPacket *) NULL) { /* Draw top of ornamental border. */ for (y=0; y < (ssize_t) frame_info->outer_bevel; y++) { for (x=0; x < (ssize_t) (frame_image->columns-y); x++) { if (x < y) SetPixelPacket(frame_image,&highlight,q,frame_indexes); else SetPixelPacket(frame_image,&accentuate,q,frame_indexes); q++; frame_indexes++; } for ( ; x < (ssize_t) frame_image->columns; x++) { SetPixelPacket(frame_image,&shadow,q,frame_indexes); q++; frame_indexes++; } } for (y=0; y < (ssize_t) (frame_info->y-bevel_width); y++) { for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&highlight,q,frame_indexes); q++; frame_indexes++; } width=frame_image->columns-2*frame_info->outer_bevel; for (x=0; x < (ssize_t) width; x++) { SetPixelPacket(frame_image,&matte,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&shadow,q,frame_indexes); q++; frame_indexes++; } } for (y=0; y < (ssize_t) frame_info->inner_bevel; y++) { for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&highlight,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) (frame_info->x-bevel_width); x++) { SetPixelPacket(frame_image,&matte,q,frame_indexes); q++; frame_indexes++; } width=image->columns+((size_t) frame_info->inner_bevel << 1)- y; for (x=0; x < (ssize_t) width; x++) { if (x < y) SetPixelPacket(frame_image,&shadow,q,frame_indexes); else SetPixelPacket(frame_image,&trough,q,frame_indexes); q++; frame_indexes++; } for ( ; x < (ssize_t) (image->columns+2*frame_info->inner_bevel); x++) { SetPixelPacket(frame_image,&highlight,q,frame_indexes); q++; frame_indexes++; } width=frame_info->width-frame_info->x-image->columns-bevel_width; for (x=0; x < (ssize_t) width; x++) { SetPixelPacket(frame_image,&matte,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&shadow,q,frame_indexes); q++; frame_indexes++; } } (void) SyncCacheViewAuthenticPixels(frame_view,exception); } } /* Draw sides of ornamental border. */ #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(dynamic,4) shared(progress,status) omp_throttle(1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register IndexPacket *restrict frame_indexes; register ssize_t x; register PixelPacket *restrict q; /* Initialize scanline with matte color. */ if (status == MagickFalse) continue; q=QueueCacheViewAuthenticPixels(frame_view,0,frame_info->y+y, frame_image->columns,1,exception); if (q == (PixelPacket *) NULL) { status=MagickFalse; continue; } frame_indexes=GetCacheViewAuthenticIndexQueue(frame_view); for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&highlight,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) (frame_info->x-bevel_width); x++) { SetPixelPacket(frame_image,&matte,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) frame_info->inner_bevel; x++) { SetPixelPacket(frame_image,&shadow,q,frame_indexes); q++; frame_indexes++; } /* Set frame interior to interior color. */ if ((image->compose != CopyCompositeOp) && ((image->compose != OverCompositeOp) || (image->matte != MagickFalse))) for (x=0; x < (ssize_t) image->columns; x++) { SetPixelPacket(frame_image,&interior,q,frame_indexes); q++; frame_indexes++; } else { register const IndexPacket *indexes; register const PixelPacket *p; p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); if (p == (const PixelPacket *) NULL) { status=MagickFalse; continue; } indexes=GetCacheViewVirtualIndexQueue(image_view); (void) CopyMagickMemory(q,p,image->columns*sizeof(*p)); if ((image->colorspace == CMYKColorspace) && (frame_image->colorspace == CMYKColorspace)) { (void) CopyMagickMemory(frame_indexes,indexes,image->columns* sizeof(*indexes)); frame_indexes+=image->columns; } q+=image->columns; } for (x=0; x < (ssize_t) frame_info->inner_bevel; x++) { SetPixelPacket(frame_image,&highlight,q,frame_indexes); q++; frame_indexes++; } width=frame_info->width-frame_info->x-image->columns-bevel_width; for (x=0; x < (ssize_t) width; x++) { SetPixelPacket(frame_image,&matte,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&shadow,q,frame_indexes); q++; frame_indexes++; } if (SyncCacheViewAuthenticPixels(frame_view,exception) == MagickFalse) status=MagickFalse; if (image->progress_monitor != (MagickProgressMonitor) NULL) { MagickBooleanType proceed; #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp critical (MagickCore_FrameImage) #endif proceed=SetImageProgress(image,FrameImageTag,progress++,image->rows); if (proceed == MagickFalse) status=MagickFalse; } } height=(size_t) (frame_info->inner_bevel+frame_info->height- frame_info->y-image->rows-bevel_width+frame_info->outer_bevel); if (height != 0) { register IndexPacket *restrict frame_indexes; register ssize_t x; register PixelPacket *restrict q; /* Draw bottom of ornamental border. */ q=QueueCacheViewAuthenticPixels(frame_view,0,(ssize_t) (frame_image->rows- height),frame_image->columns,height,exception); if (q != (PixelPacket *) NULL) { /* Draw bottom of ornamental border. */ frame_indexes=GetCacheViewAuthenticIndexQueue(frame_view); for (y=frame_info->inner_bevel-1; y >= 0; y--) { for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&highlight,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) (frame_info->x-bevel_width); x++) { SetPixelPacket(frame_image,&matte,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < y; x++) { SetPixelPacket(frame_image,&shadow,q,frame_indexes); q++; frame_indexes++; } for ( ; x < (ssize_t) (image->columns+2*frame_info->inner_bevel); x++) { if (x >= (ssize_t) (image->columns+2*frame_info->inner_bevel-y)) SetPixelPacket(frame_image,&highlight,q,frame_indexes); else SetPixelPacket(frame_image,&accentuate,q,frame_indexes); q++; frame_indexes++; } width=frame_info->width-frame_info->x-image->columns-bevel_width; for (x=0; x < (ssize_t) width; x++) { SetPixelPacket(frame_image,&matte,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&shadow,q,frame_indexes); q++; frame_indexes++; } } height=frame_info->height-frame_info->y-image->rows-bevel_width; for (y=0; y < (ssize_t) height; y++) { for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&highlight,q,frame_indexes); q++; frame_indexes++; } width=frame_image->columns-2*frame_info->outer_bevel; for (x=0; x < (ssize_t) width; x++) { SetPixelPacket(frame_image,&matte,q,frame_indexes); q++; frame_indexes++; } for (x=0; x < (ssize_t) frame_info->outer_bevel; x++) { SetPixelPacket(frame_image,&shadow,q,frame_indexes); q++; frame_indexes++; } } for (y=frame_info->outer_bevel-1; y >= 0; y--) { for (x=0; x < y; x++) { SetPixelPacket(frame_image,&highlight,q,frame_indexes); q++; frame_indexes++; } for ( ; x < (ssize_t) frame_image->columns; x++) { if (x >= (ssize_t) (frame_image->columns-y)) SetPixelPacket(frame_image,&shadow,q,frame_indexes); else SetPixelPacket(frame_image,&trough,q,frame_indexes); q++; frame_indexes++; } } (void) SyncCacheViewAuthenticPixels(frame_view,exception); } } frame_view=DestroyCacheView(frame_view); image_view=DestroyCacheView(image_view); if ((image->compose != CopyCompositeOp) && ((image->compose != OverCompositeOp) || (image->matte != MagickFalse))) { x=(ssize_t) (frame_info->outer_bevel+(frame_info->x-bevel_width)+ frame_info->inner_bevel); y=(ssize_t) (frame_info->outer_bevel+(frame_info->y-bevel_width)+ frame_info->inner_bevel); (void) CompositeImage(frame_image,image->compose,image,x,y); } return(frame_image); }