/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + I s G l o b % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsGlob() returns MagickTrue if the path specification contains a globbing % pattern. % % The format of the IsGlob method is: % % MagickBooleanType IsGlob(const char *geometry) % % A description of each parameter follows: % % o path: the path. % */ MagickPrivate MagickBooleanType IsGlob(const char *path) { MagickBooleanType status = MagickFalse; register const char *p; if (IsPathAccessible(path) != MagickFalse) return(MagickFalse); for (p=path; *p != '\0'; p++) { switch (*p) { case '*': case '?': case '{': case '}': case '[': case ']': { status=MagickTrue; break; } default: break; } } return(status); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + L o a d T y p e C a c h e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % LoadTypeCache() loads the type configurations which provides a mapping % between type attributes and a type name. % % The format of the LoadTypeCache method is: % % MagickBooleanType LoadTypeCache(SplayTreeInfo *type_cache, % const char *xml,const char *filename,const size_t depth, % ExceptionInfo *exception) % % A description of each parameter follows: % % o xml: The type list in XML format. % % o filename: The type list filename. % % o depth: depth of <include /> statements. % % o exception: return any errors or warnings in this structure. % */ static inline MagickBooleanType SetTypeNodePath(const char *filename, char *font_path,const char *token,char **target) { char *path; path=ConstantString(token); #if defined(MAGICKCORE_WINDOWS_SUPPORT) if (strchr(path,'@') != (char *) NULL) SubstituteString(&path,"@ghostscript_font_path@",font_path); #endif if (IsPathAccessible(path) == MagickFalse) { /* Relative path. */ path=DestroyString(path); GetPathComponent(filename,HeadPath,font_path); (void) ConcatenateMagickString(font_path,DirectorySeparator, MaxTextExtent); (void) ConcatenateMagickString(font_path,token,MaxTextExtent); path=ConstantString(font_path); #if defined(MAGICKCORE_WINDOWS_SUPPORT) if (strchr(path,'@') != (char *) NULL) SubstituteString(&path,"@ghostscript_font_path@",""); #endif if (IsPathAccessible(path) == MagickFalse) { path=DestroyString(path); return(MagickFalse); } } *target=path; return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + I s G l o b % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsGlob() returns MagickTrue if the path specification contains a globbing % pattern. % % The format of the IsGlob method is: % % MagickBooleanType IsGlob(const char *geometry) % % A description of each parameter follows: % % o path: the path. % */ MagickExport MagickBooleanType IsGlob(const char *path) { MagickBooleanType status; if (IsPathAccessible(path) != MagickFalse) return(MagickFalse); status=(strchr(path,'*') != (char *) NULL) || (strchr(path,'?') != (char *) NULL) || (strchr(path,'{') != (char *) NULL) || (strchr(path,'}') != (char *) NULL) || (strchr(path,'[') != (char *) NULL) || (strchr(path,']') != (char *) NULL) ? MagickTrue : MagickFalse; return(status); }
static MagickBooleanType LoadTypeList(const char *xml,const char *filename, const size_t depth,ExceptionInfo *exception) { char font_path[MaxTextExtent], keyword[MaxTextExtent], *token; const char *q; MagickBooleanType status; TypeInfo *type_info; /* Load the type map file. */ (void) LogMagickEvent(ConfigureEvent,GetMagickModule(), "Loading type configure file \"%s\" ...",filename); if (xml == (const char *) NULL) return(MagickFalse); if (type_list == (SplayTreeInfo *) NULL) { type_list=NewSplayTree(CompareSplayTreeString,(void *(*)(void *)) NULL, DestroyTypeNode); if (type_list == (SplayTreeInfo *) NULL) { ThrowFileException(exception,ResourceLimitError, "MemoryAllocationFailed",filename); return(MagickFalse); } } status=MagickTrue; type_info=(TypeInfo *) NULL; token=AcquireString(xml); #if defined(MAGICKCORE_WINDOWS_SUPPORT) /* Determine the Ghostscript font path. */ *font_path='\0'; if (NTGhostscriptFonts(font_path,MaxTextExtent-2)) (void) ConcatenateMagickString(font_path,DirectorySeparator,MaxTextExtent); #endif for (q=(char *) xml; *q != '\0'; ) { /* Interpret XML. */ GetMagickToken(q,&q,token); if (*token == '\0') break; (void) CopyMagickString(keyword,token,MaxTextExtent); if (LocaleNCompare(keyword,"<!DOCTYPE",9) == 0) { /* Doctype element. */ while ((LocaleNCompare(q,"]>",2) != 0) && (*q != '\0')) GetMagickToken(q,&q,token); continue; } if (LocaleNCompare(keyword,"<!--",4) == 0) { /* Comment element. */ while ((LocaleNCompare(q,"->",2) != 0) && (*q != '\0')) GetMagickToken(q,&q,token); continue; } if (LocaleCompare(keyword,"<include") == 0) { /* Include element. */ while (((*token != '/') && (*(token+1) != '>')) && (*q != '\0')) { (void) CopyMagickString(keyword,token,MaxTextExtent); GetMagickToken(q,&q,token); if (*token != '=') continue; GetMagickToken(q,&q,token); if (LocaleCompare(keyword,"file") == 0) { if (depth > 200) (void) ThrowMagickException(exception,GetMagickModule(), ConfigureError,"IncludeNodeNestedTooDeeply","`%s'",token); else { char path[MaxTextExtent], *xml; ExceptionInfo *sans_exception; *path='\0'; GetPathComponent(filename,HeadPath,path); if (*path != '\0') (void) ConcatenateMagickString(path,DirectorySeparator, MaxTextExtent); if (*token == *DirectorySeparator) (void) CopyMagickString(path,token,MaxTextExtent); else (void) ConcatenateMagickString(path,token,MaxTextExtent); sans_exception=AcquireExceptionInfo(); xml=FileToString(path,~0UL,sans_exception); sans_exception=DestroyExceptionInfo(sans_exception); if (xml != (char *) NULL) { status=LoadTypeList(xml,path,depth+1,exception); xml=(char *) RelinquishMagickMemory(xml); } } } } continue; } if (LocaleCompare(keyword,"<type") == 0) { /* Type element. */ type_info=(TypeInfo *) AcquireMagickMemory(sizeof(*type_info)); if (type_info == (TypeInfo *) NULL) ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); (void) ResetMagickMemory(type_info,0,sizeof(*type_info)); type_info->path=ConstantString(filename); type_info->signature=MagickSignature; continue; } if (type_info == (TypeInfo *) NULL) continue; if (LocaleCompare(keyword,"/>") == 0) { status=AddValueToSplayTree(type_list,type_info->name,type_info); if (status == MagickFalse) (void) ThrowMagickException(exception,GetMagickModule(), ResourceLimitError,"MemoryAllocationFailed","`%s'",type_info->name); type_info=(TypeInfo *) NULL; } GetMagickToken(q,(const char **) NULL,token); if (*token != '=') continue; GetMagickToken(q,&q,token); GetMagickToken(q,&q,token); switch (*keyword) { case 'E': case 'e': { if (LocaleCompare((char *) keyword,"encoding") == 0) { type_info->encoding=ConstantString(token); break; } break; } case 'F': case 'f': { if (LocaleCompare((char *) keyword,"face") == 0) { type_info->face=StringToUnsignedLong(token); break; } if (LocaleCompare((char *) keyword,"family") == 0) { type_info->family=ConstantString(token); break; } if (LocaleCompare((char *) keyword,"format") == 0) { type_info->format=ConstantString(token); break; } if (LocaleCompare((char *) keyword,"foundry") == 0) { type_info->foundry=ConstantString(token); break; } if (LocaleCompare((char *) keyword,"fullname") == 0) { type_info->description=ConstantString(token); break; } break; } case 'G': case 'g': { if (LocaleCompare((char *) keyword,"glyphs") == 0) { char *path; path=ConstantString(token); #if defined(MAGICKCORE_WINDOWS_SUPPORT) if (strchr(path,'@') != (char *) NULL) SubstituteString(&path,"@ghostscript_font_path@",font_path); #endif if (IsPathAccessible(path) == MagickFalse) { /* Relative path. */ path=DestroyString(path); GetPathComponent(filename,HeadPath,font_path); (void) ConcatenateMagickString(font_path,DirectorySeparator, MaxTextExtent); (void) ConcatenateMagickString(font_path,token,MaxTextExtent); path=ConstantString(font_path); if (IsPathAccessible(path) == MagickFalse) { path=DestroyString(path); path=ConstantString(token); } } type_info->glyphs=path; break; } break; } case 'M': case 'm': { if (LocaleCompare((char *) keyword,"metrics") == 0) { char *path; path=ConstantString(token); #if defined(MAGICKCORE_WINDOWS_SUPPORT) if (strchr(path,'@') != (char *) NULL) SubstituteString(&path,"@ghostscript_font_path@",font_path); #endif if (IsPathAccessible(path) == MagickFalse) { /* Relative path. */ path=DestroyString(path); GetPathComponent(filename,HeadPath,font_path); (void) ConcatenateMagickString(font_path,DirectorySeparator, MaxTextExtent); (void) ConcatenateMagickString(font_path,token,MaxTextExtent); path=ConstantString(font_path); } type_info->metrics=path; break; } break; } case 'N': case 'n': { if (LocaleCompare((char *) keyword,"name") == 0) { type_info->name=ConstantString(token); break; } break; } case 'S': case 's': { if (LocaleCompare((char *) keyword,"stealth") == 0) { type_info->stealth=IsStringTrue(token); break; } if (LocaleCompare((char *) keyword,"stretch") == 0) { type_info->stretch=(StretchType) ParseCommandOption( MagickStretchOptions,MagickFalse,token); break; } if (LocaleCompare((char *) keyword,"style") == 0) { type_info->style=(StyleType) ParseCommandOption(MagickStyleOptions, MagickFalse,token); break; } break; } case 'W': case 'w': { if (LocaleCompare((char *) keyword,"weight") == 0) { type_info->weight=StringToUnsignedLong(token); if (LocaleCompare(token,"bold") == 0) type_info->weight=700; if (LocaleCompare(token,"normal") == 0) type_info->weight=400; break; } break; } default: break; } } token=(char *) RelinquishMagickMemory(token); return(status); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % N T A c q u i r e T y p e C a c h e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % NTAcquireTypeCache() loads a Windows TrueType fonts. % % The format of the NTAcquireTypeCache method is: % % MagickBooleanType NTAcquireTypeCache(SplayTreeInfo *type_cache) % % A description of each parameter follows: % % o type_cache: A linked list of fonts. % */ MagickExport MagickBooleanType NTAcquireTypeCache(SplayTreeInfo *type_cache, ExceptionInfo *exception) { HKEY reg_key = (HKEY) INVALID_HANDLE_VALUE; LONG res; int list_entries = 0; char buffer[MaxTextExtent], system_root[MaxTextExtent], font_root[MaxTextExtent]; DWORD type, system_root_length; MagickBooleanType status; /* Try to find the right Windows*\CurrentVersion key, the SystemRoot and then the Fonts key */ res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 0, KEY_READ, ®_key); if (res == ERROR_SUCCESS) { system_root_length=sizeof(system_root)-1; res = RegQueryValueExA(reg_key,"SystemRoot",NULL, &type, (BYTE*) system_root, &system_root_length); } if (res != ERROR_SUCCESS) { res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion", 0, KEY_READ, ®_key); if (res == ERROR_SUCCESS) { system_root_length=sizeof(system_root)-1; res = RegQueryValueExA(reg_key,"SystemRoot",NULL, &type, (BYTE*)system_root, &system_root_length); } } if (res == ERROR_SUCCESS) res = RegOpenKeyExA (reg_key, "Fonts",0, KEY_READ, ®_key); if (res != ERROR_SUCCESS) return(MagickFalse); *font_root='\0'; (void) CopyMagickString(buffer,system_root,MaxTextExtent); (void) ConcatenateMagickString(buffer,"\\fonts\\arial.ttf",MaxTextExtent); if (IsPathAccessible(buffer) != MagickFalse) { (void) CopyMagickString(font_root,system_root,MaxTextExtent); (void) ConcatenateMagickString(font_root,"\\fonts\\",MaxTextExtent); } else { (void) CopyMagickString(font_root,system_root,MaxTextExtent); (void) ConcatenateMagickString(font_root,"\\",MaxTextExtent); } { TypeInfo *type_info; DWORD registry_index = 0, type, value_data_size, value_name_length; char value_data[MaxTextExtent], value_name[MaxTextExtent]; res = ERROR_SUCCESS; while (res != ERROR_NO_MORE_ITEMS) { char *family_extent, token[MaxTextExtent], *pos, *q; value_name_length = sizeof(value_name) - 1; value_data_size = sizeof(value_data) - 1; res=RegEnumValueA(reg_key,registry_index,value_name,&value_name_length, 0,&type,(BYTE *) value_data,&value_data_size); registry_index++; if (res != ERROR_SUCCESS) continue; if ((pos=strstr(value_name," (TrueType)")) == (char*) NULL) continue; *pos='\0'; /* Remove (TrueType) from string */ type_info=(TypeInfo *) AcquireMagickMemory(sizeof(*type_info)); if (type_info == (TypeInfo *) NULL) ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); (void) ResetMagickMemory(type_info,0,sizeof(TypeInfo)); type_info->path=ConstantString("Windows Fonts"); type_info->signature=MagickSignature; (void) CopyMagickString(buffer,value_name,MaxTextExtent); /* name */ for (pos=buffer; *pos != 0; pos++) if (*pos == ' ') *pos='-'; type_info->name=ConstantString(buffer); type_info->description=ConstantString(value_name); /* fullname */ type_info->format=ConstantString("truetype"); /* format */ if (strchr(value_data,'\\') != (char *) NULL) /* glyphs */ (void) CopyMagickString(buffer,value_data,MaxTextExtent); else { (void) CopyMagickString(buffer,font_root,MaxTextExtent); (void) ConcatenateMagickString(buffer,value_data,MaxTextExtent); } LocaleLower(buffer); type_info->glyphs=ConstantString(buffer); type_info->stretch=NormalStretch; type_info->style=NormalStyle; type_info->weight=400; /* Some fonts are known to require special encodings. */ if ( (LocaleCompare(type_info->name, "Symbol") == 0 ) || (LocaleCompare(type_info->name, "Wingdings") == 0 ) || (LocaleCompare(type_info->name, "Wingdings-2") == 0 ) || (LocaleCompare(type_info->name, "Wingdings-3") == 0 ) ) type_info->encoding=ConstantString("AppleRoman"); family_extent=value_name; for (q=value_name; *q != '\0'; ) { GetMagickToken(q,(const char **) &q,token); if (*token == '\0') break; if (LocaleCompare(token,"Italic") == 0) { type_info->style=ItalicStyle; } else if (LocaleCompare(token,"Oblique") == 0) { type_info->style=ObliqueStyle; } else if (LocaleCompare(token,"Bold") == 0) { type_info->weight=700; } else if (LocaleCompare(token,"Thin") == 0) { type_info->weight=100; } else if ( (LocaleCompare(token,"ExtraLight") == 0) || (LocaleCompare(token,"UltraLight") == 0) ) { type_info->weight=200; } else if (LocaleCompare(token,"Light") == 0) { type_info->weight=300; } else if ( (LocaleCompare(token,"Normal") == 0) || (LocaleCompare(token,"Regular") == 0) ) { type_info->weight=400; } else if (LocaleCompare(token,"Medium") == 0) { type_info->weight=500; } else if ( (LocaleCompare(token,"SemiBold") == 0) || (LocaleCompare(token,"DemiBold") == 0) ) { type_info->weight=600; } else if ( (LocaleCompare(token,"ExtraBold") == 0) || (LocaleCompare(token,"UltraBold") == 0) ) { type_info->weight=800; } else if ( (LocaleCompare(token,"Heavy") == 0) || (LocaleCompare(token,"Black") == 0) ) { type_info->weight=900; } else if (LocaleCompare(token,"Condensed") == 0) { type_info->stretch = CondensedStretch; } else if (LocaleCompare(token,"Expanded") == 0) { type_info->stretch = ExpandedStretch; } else if (LocaleCompare(token,"ExtraCondensed") == 0) { type_info->stretch = ExtraCondensedStretch; } else if (LocaleCompare(token,"ExtraExpanded") == 0) { type_info->stretch = ExtraExpandedStretch; } else if (LocaleCompare(token,"SemiCondensed") == 0) { type_info->stretch = SemiCondensedStretch; } else if (LocaleCompare(token,"SemiExpanded") == 0) { type_info->stretch = SemiExpandedStretch; } else if (LocaleCompare(token,"UltraCondensed") == 0) { type_info->stretch = UltraCondensedStretch; } else if (LocaleCompare(token,"UltraExpanded") == 0) { type_info->stretch = UltraExpandedStretch; } else { family_extent=q; } } (void) CopyMagickString(buffer,value_name,family_extent-value_name+1); StripString(buffer); type_info->family=ConstantString(buffer); list_entries++; status=AddValueToSplayTree(type_cache,ConstantString(type_info->name), type_info); if (status == MagickFalse) (void) ThrowMagickException(exception,GetMagickModule(), ResourceLimitError,"MemoryAllocationFailed","`%s'",type_info->name); } } RegCloseKey(reg_key); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d E X R I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadEXRImage reads an image in the high dynamic-range (HDR) file format % developed by Industrial Light & Magic. It allocates the memory necessary % for the new Image structure and returns a pointer to the new image. % % The format of the ReadEXRImage method is: % % Image *ReadEXRImage(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 *ReadEXRImage(const ImageInfo *image_info,ExceptionInfo *exception) { const ImfHeader *hdr_info; Image *image; ImageInfo *read_info; ImfInputFile *file; ImfRgba *scanline; int max_x, max_y, min_x, min_y; MagickBooleanType status; register ssize_t x; register Quantum *q; ssize_t y; /* 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,exception); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } read_info=CloneImageInfo(image_info); if (IsPathAccessible(read_info->filename) == MagickFalse) { (void) AcquireUniqueFilename(read_info->filename); (void) ImageToFile(image,read_info->filename,exception); } file=ImfOpenInputFile(read_info->filename); if (file == (ImfInputFile *) NULL) { ThrowFileException(exception,BlobError,"UnableToOpenBlob", ImfErrorMessage()); read_info=DestroyImageInfo(read_info); return((Image *) NULL); } hdr_info=ImfInputHeader(file); ImfHeaderDataWindow(hdr_info,&min_x,&min_y,&max_x,&max_y); image->columns=max_x-min_x+1UL; image->rows=max_y-min_y+1UL; image->matte=MagickTrue; if (image_info->ping != MagickFalse) { (void) ImfCloseInputFile(file); if (LocaleCompare(image_info->filename,read_info->filename) != 0) (void) RelinquishUniqueFileResource(read_info->filename); read_info=DestroyImageInfo(read_info); (void) CloseBlob(image); return(GetFirstImageInList(image)); } scanline=(ImfRgba *) AcquireQuantumMemory(image->columns,sizeof(*scanline)); if (scanline == (ImfRgba *) NULL) { (void) ImfCloseInputFile(file); ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); } for (y=0; y < (ssize_t) image->rows; y++) { q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (Quantum *) NULL) break; ImfInputSetFrameBuffer(file,scanline-min_x-image->columns*(min_y+y),1, image->columns); ImfInputReadPixels(file,min_y+y,min_y+y); for (x=0; x < (ssize_t) image->columns; x++) { SetPixelRed(image,ClampToQuantum((MagickRealType) QuantumRange* ImfHalfToFloat(scanline[x].r)),q); SetPixelGreen(image,ClampToQuantum((MagickRealType) QuantumRange* ImfHalfToFloat(scanline[x].g)),q); SetPixelBlue(image,ClampToQuantum((MagickRealType) QuantumRange* ImfHalfToFloat(scanline[x].b)),q); SetPixelAlpha(image,ClampToQuantum((MagickRealType) QuantumRange* ImfHalfToFloat(scanline[x].a)),q); q+=GetPixelChannels(image); } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; } scanline=(ImfRgba *) RelinquishMagickMemory(scanline); (void) ImfCloseInputFile(file); if (LocaleCompare(image_info->filename,read_info->filename) != 0) (void) RelinquishUniqueFileResource(read_info->filename); read_info=DestroyImageInfo(read_info); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteImage() writes an image or an image sequence to a file or file handle. % If writing to a file is on disk, the name is defined by the filename member % of the image structure. WriteImage() returns MagickFalse is there is a % memory shortage or if the image cannot be written. Check the exception % member of image to determine the cause for any failure. % % The format of the WriteImage method is: % % MagickBooleanType WriteImage(const ImageInfo *image_info,Image *image, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: the image info. % % o image: the image. % % o exception: return any errors or warnings in this structure. % */ MagickExport MagickBooleanType WriteImage(const ImageInfo *image_info, Image *image,ExceptionInfo *exception) { char filename[MaxTextExtent]; const char *option; const DelegateInfo *delegate_info; const MagickInfo *magick_info; ExceptionInfo *sans_exception; ImageInfo *write_info; MagickBooleanType status, temporary; MagickStatusType thread_support; PolicyDomain domain; PolicyRights rights; /* Determine image type from filename prefix or suffix (e.g. image.jpg). */ assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(image != (Image *) NULL); assert(image->signature == MagickSignature); assert(exception != (ExceptionInfo *) NULL); sans_exception=AcquireExceptionInfo(); write_info=CloneImageInfo(image_info); (void) CopyMagickString(write_info->filename,image->filename,MaxTextExtent); if (*write_info->magick == '\0') (void) CopyMagickString(write_info->magick,image->magick,MaxTextExtent); (void) SetImageInfo(write_info,1,sans_exception); if (LocaleCompare(write_info->magick,"clipmask") == 0) { if (image->clip_mask == (Image *) NULL) { (void) ThrowMagickException(exception,GetMagickModule(), OptionError,"NoClipPathDefined","`%s'",image->filename); return(MagickFalse); } image=image->clip_mask; (void) SetImageInfo(write_info,1,sans_exception); } (void) CopyMagickString(filename,image->filename,MaxTextExtent); (void) CopyMagickString(image->filename,write_info->filename,MaxTextExtent); domain=CoderPolicyDomain; rights=WritePolicyRights; if (IsRightsAuthorized(domain,rights,write_info->magick) == MagickFalse) { sans_exception=DestroyExceptionInfo(sans_exception); errno=EPERM; ThrowBinaryException(PolicyError,"NotAuthorized",filename); } magick_info=GetMagickInfo(write_info->magick,sans_exception); sans_exception=DestroyExceptionInfo(sans_exception); if (magick_info != (const MagickInfo *) NULL) { if (GetMagickEndianSupport(magick_info) == MagickFalse) image->endian=UndefinedEndian; else if ((image_info->endian == UndefinedEndian) && (GetMagickRawSupport(magick_info) != MagickFalse)) { size_t lsb_first; lsb_first=1; image->endian=(*(char *) &lsb_first) == 1 ? LSBEndian : MSBEndian; } } (void) SyncImageProfiles(image); option=GetImageOption(image_info,"delegate:bimodal"); if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse) && (write_info->page == (char *) NULL) && (GetPreviousImageInList(image) == (Image *) NULL) && (GetNextImageInList(image) == (Image *) NULL) && (IsTaintImage(image) == MagickFalse)) { delegate_info=GetDelegateInfo(image->magick,write_info->magick,exception); if ((delegate_info != (const DelegateInfo *) NULL) && (GetDelegateMode(delegate_info) == 0) && (IsPathAccessible(image->magick_filename) != MagickFalse)) { /* Process image with bi-modal delegate. */ (void) CopyMagickString(image->filename,image->magick_filename, MaxTextExtent); status=InvokeDelegate(write_info,image,image->magick, write_info->magick,exception); write_info=DestroyImageInfo(write_info); (void) CopyMagickString(image->filename,filename,MaxTextExtent); return(status); } } status=MagickFalse; temporary=MagickFalse; if ((magick_info != (const MagickInfo *) NULL) && (GetMagickSeekableStream(magick_info) != MagickFalse)) { char filename[MaxTextExtent]; (void) CopyMagickString(filename,image->filename,MaxTextExtent); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); (void) CopyMagickString(image->filename,filename,MaxTextExtent); if (status != MagickFalse) { if (IsBlobSeekable(image) == MagickFalse) { /* A seekable stream is required by the encoder. */ write_info->adjoin=MagickTrue; (void) CopyMagickString(write_info->filename,image->filename, MaxTextExtent); (void) AcquireUniqueFilename(image->filename); temporary=MagickTrue; } (void) CloseBlob(image); } } if (constitute_semaphore == (SemaphoreInfo *) NULL) AcquireSemaphoreInfo(&constitute_semaphore); if ((magick_info != (const MagickInfo *) NULL) && (GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL)) { /* Call appropriate image writer based on image type. */ thread_support=GetMagickThreadSupport(magick_info); if ((thread_support & EncoderThreadSupport) == 0) LockSemaphoreInfo(constitute_semaphore); status=GetImageEncoder(magick_info)(write_info,image,exception); if ((thread_support & EncoderThreadSupport) == 0) UnlockSemaphoreInfo(constitute_semaphore); } else { delegate_info=GetDelegateInfo((char *) NULL,write_info->magick,exception); if (delegate_info != (DelegateInfo *) NULL) { /* Process the image with delegate. */ *write_info->filename='\0'; if (GetDelegateThreadSupport(delegate_info) == MagickFalse) LockSemaphoreInfo(constitute_semaphore); status=InvokeDelegate(write_info,image,(char *) NULL, write_info->magick,exception); if (GetDelegateThreadSupport(delegate_info) == MagickFalse) UnlockSemaphoreInfo(constitute_semaphore); (void) CopyMagickString(image->filename,filename,MaxTextExtent); } else { sans_exception=AcquireExceptionInfo(); magick_info=GetMagickInfo(write_info->magick,sans_exception); sans_exception=DestroyExceptionInfo(sans_exception); if ((write_info->affirm == MagickFalse) && (magick_info == (const MagickInfo *) NULL)) { (void) CopyMagickString(write_info->magick,image->magick, MaxTextExtent); magick_info=GetMagickInfo(write_info->magick,exception); } if ((magick_info == (const MagickInfo *) NULL) || (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL)) { char extension[MaxTextExtent]; GetPathComponent(image->filename,ExtensionPath,extension); if (*extension != '\0') magick_info=GetMagickInfo(extension,exception); else magick_info=GetMagickInfo(image->magick,exception); (void) CopyMagickString(image->filename,filename,MaxTextExtent); } if ((magick_info == (const MagickInfo *) NULL) || (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL)) (void) ThrowMagickException(exception,GetMagickModule(), MissingDelegateError,"NoEncodeDelegateForThisImageFormat","`%s'", image->filename); else { /* Call appropriate image writer based on image type. */ thread_support=GetMagickThreadSupport(magick_info); if ((thread_support & EncoderThreadSupport) == 0) LockSemaphoreInfo(constitute_semaphore); status=GetImageEncoder(magick_info)(write_info,image,exception); if ((thread_support & EncoderThreadSupport) == 0) UnlockSemaphoreInfo(constitute_semaphore); } } } if (GetBlobError(image) != MagickFalse) ThrowFileException(exception,FileOpenError, "AnErrorHasOccurredWritingToFile",image->filename); if (temporary == MagickTrue) { /* Copy temporary image file to permanent. */ status=OpenBlob(write_info,image,ReadBinaryBlobMode,exception); if (status != MagickFalse) status=ImageToFile(image,write_info->filename,exception); (void) CloseBlob(image); (void) RelinquishUniqueFileResource(image->filename); (void) CopyMagickString(image->filename,write_info->filename, MaxTextExtent); } if ((LocaleCompare(write_info->magick,"info") != 0) && (write_info->verbose != MagickFalse)) (void) IdentifyImage(image,stdout,MagickFalse,exception); write_info=DestroyImageInfo(write_info); return(status); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadImage() reads an image or image sequence from a file or file handle. % The method returns a NULL if there is a memory shortage or if the image % cannot be read. On failure, a NULL image is returned and exception % describes the reason for the failure. % % The format of the ReadImage method is: % % Image *ReadImage(const ImageInfo *image_info,ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: Read the image defined by the file or filename members of % this structure. % % o exception: return any errors or warnings in this structure. % */ MagickExport Image *ReadImage(const ImageInfo *image_info, ExceptionInfo *exception) { char filename[MaxTextExtent], magick[MaxTextExtent], magick_filename[MaxTextExtent]; const char *value; const DelegateInfo *delegate_info; const MagickInfo *magick_info; ExceptionInfo *sans_exception; GeometryInfo geometry_info; Image *image, *next; ImageInfo *read_info; MagickStatusType flags, thread_support; PolicyDomain domain; PolicyRights rights; /* Determine image type from filename prefix or suffix (e.g. image.jpg). */ assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickSignature); assert(image_info->filename != (char *) NULL); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); read_info=CloneImageInfo(image_info); (void) CopyMagickString(magick_filename,read_info->filename,MaxTextExtent); (void) SetImageInfo(read_info,0,exception); (void) CopyMagickString(filename,read_info->filename,MaxTextExtent); (void) CopyMagickString(magick,read_info->magick,MaxTextExtent); domain=CoderPolicyDomain; rights=ReadPolicyRights; if (IsRightsAuthorized(domain,rights,read_info->magick) == MagickFalse) { errno=EPERM; (void) ThrowMagickException(exception,GetMagickModule(),PolicyError, "NotAuthorized","`%s'",read_info->filename); return((Image *) NULL); } /* Call appropriate image reader based on image type. */ sans_exception=AcquireExceptionInfo(); magick_info=GetMagickInfo(read_info->magick,sans_exception); sans_exception=DestroyExceptionInfo(sans_exception); if (magick_info != (const MagickInfo *) NULL) { if (GetMagickEndianSupport(magick_info) == MagickFalse) read_info->endian=UndefinedEndian; else if ((image_info->endian == UndefinedEndian) && (GetMagickRawSupport(magick_info) != MagickFalse)) { size_t lsb_first; lsb_first=1; read_info->endian=(*(char *) &lsb_first) == 1 ? LSBEndian : MSBEndian; } } if ((magick_info != (const MagickInfo *) NULL) && (GetMagickSeekableStream(magick_info) != MagickFalse)) { MagickBooleanType status; image=AcquireImage(read_info,exception); (void) CopyMagickString(image->filename,read_info->filename, MaxTextExtent); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { read_info=DestroyImageInfo(read_info); image=DestroyImage(image); return((Image *) NULL); } if (IsBlobSeekable(image) == MagickFalse) { /* Coder requires a seekable stream. */ *read_info->filename='\0'; status=ImageToFile(image,read_info->filename,exception); if (status == MagickFalse) { (void) CloseBlob(image); read_info=DestroyImageInfo(read_info); image=DestroyImage(image); return((Image *) NULL); } read_info->temporary=MagickTrue; } (void) CloseBlob(image); image=DestroyImage(image); } image=NewImageList(); if (constitute_semaphore == (SemaphoreInfo *) NULL) AcquireSemaphoreInfo(&constitute_semaphore); if ((magick_info != (const MagickInfo *) NULL) && (GetImageDecoder(magick_info) != (DecodeImageHandler *) NULL)) { thread_support=GetMagickThreadSupport(magick_info); if ((thread_support & DecoderThreadSupport) == 0) LockSemaphoreInfo(constitute_semaphore); image=GetImageDecoder(magick_info)(read_info,exception); if ((thread_support & DecoderThreadSupport) == 0) UnlockSemaphoreInfo(constitute_semaphore); } else { delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception); if (delegate_info == (const DelegateInfo *) NULL) { (void) ThrowMagickException(exception,GetMagickModule(), MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'", read_info->filename); if (read_info->temporary != MagickFalse) (void) RelinquishUniqueFileResource(read_info->filename); read_info=DestroyImageInfo(read_info); return((Image *) NULL); } /* Let our decoding delegate process the image. */ image=AcquireImage(read_info,exception); if (image == (Image *) NULL) { read_info=DestroyImageInfo(read_info); return((Image *) NULL); } (void) CopyMagickString(image->filename,read_info->filename, MaxTextExtent); *read_info->filename='\0'; if (GetDelegateThreadSupport(delegate_info) == MagickFalse) LockSemaphoreInfo(constitute_semaphore); (void) InvokeDelegate(read_info,image,read_info->magick,(char *) NULL, exception); if (GetDelegateThreadSupport(delegate_info) == MagickFalse) UnlockSemaphoreInfo(constitute_semaphore); image=DestroyImageList(image); read_info->temporary=MagickTrue; (void) SetImageInfo(read_info,0,exception); magick_info=GetMagickInfo(read_info->magick,exception); if ((magick_info == (const MagickInfo *) NULL) || (GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL)) { if (IsPathAccessible(read_info->filename) != MagickFalse) (void) ThrowMagickException(exception,GetMagickModule(), MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'", read_info->filename); else ThrowFileException(exception,FileOpenError,"UnableToOpenFile", read_info->filename); read_info=DestroyImageInfo(read_info); return((Image *) NULL); } thread_support=GetMagickThreadSupport(magick_info); if ((thread_support & DecoderThreadSupport) == 0) LockSemaphoreInfo(constitute_semaphore); image=(Image *) (GetImageDecoder(magick_info))(read_info,exception); if ((thread_support & DecoderThreadSupport) == 0) UnlockSemaphoreInfo(constitute_semaphore); } if (read_info->temporary != MagickFalse) { (void) RelinquishUniqueFileResource(read_info->filename); read_info->temporary=MagickFalse; if (image != (Image *) NULL) (void) CopyMagickString(image->filename,filename,MaxTextExtent); } if (image == (Image *) NULL) { read_info=DestroyImageInfo(read_info); return(image); } if (exception->severity >= ErrorException) (void) LogMagickEvent(ExceptionEvent,GetMagickModule(), "Coder (%s) generated an image despite an error (%d), " "notify the developers",image->magick,exception->severity); if (IsBlobTemporary(image) != MagickFalse) (void) RelinquishUniqueFileResource(read_info->filename); if ((GetNextImageInList(image) != (Image *) NULL) && (IsSceneGeometry(read_info->scenes,MagickFalse) != MagickFalse)) { Image *clones; clones=CloneImages(image,read_info->scenes,exception); if (clones == (Image *) NULL) (void) ThrowMagickException(exception,GetMagickModule(),OptionError, "SubimageSpecificationReturnsNoImages","`%s'",read_info->filename); else { image=DestroyImageList(image); image=GetFirstImageInList(clones); } } if (GetBlobError(image) != MagickFalse) { ThrowFileException(exception,FileOpenError, "AnErrorHasOccurredReadingFromFile",read_info->filename); image=DestroyImageList(image); read_info=DestroyImageInfo(read_info); return((Image *) NULL); } for (next=image; next != (Image *) NULL; next=GetNextImageInList(next)) { char magick_path[MaxTextExtent], *property, timestamp[MaxTextExtent]; const char *option; const StringInfo *profile; next->taint=MagickFalse; GetPathComponent(magick_filename,MagickPath,magick_path); if (*magick_path == '\0') (void) CopyMagickString(next->magick,magick,MaxTextExtent); (void) CopyMagickString(next->magick_filename,magick_filename, MaxTextExtent); if (IsBlobTemporary(image) != MagickFalse) (void) CopyMagickString(next->filename,filename,MaxTextExtent); if (next->magick_columns == 0) next->magick_columns=next->columns; if (next->magick_rows == 0) next->magick_rows=next->rows; value=GetImageProperty(next,"tiff:Orientation",exception); if (value == (char *) NULL) value=GetImageProperty(next,"exif:Orientation",exception); if (value != (char *) NULL) { next->orientation=(OrientationType) StringToLong(value); (void) DeleteImageProperty(next,"tiff:Orientation"); (void) DeleteImageProperty(next,"exif:Orientation"); } value=GetImageProperty(next,"exif:XResolution",exception); if (value != (char *) NULL) { geometry_info.rho=next->resolution.x; geometry_info.sigma=1.0; flags=ParseGeometry(value,&geometry_info); if (geometry_info.sigma != 0) next->resolution.x=geometry_info.rho/geometry_info.sigma; (void) DeleteImageProperty(next,"exif:XResolution"); } value=GetImageProperty(next,"exif:YResolution",exception); if (value != (char *) NULL) { geometry_info.rho=next->resolution.y; geometry_info.sigma=1.0; flags=ParseGeometry(value,&geometry_info); if (geometry_info.sigma != 0) next->resolution.y=geometry_info.rho/geometry_info.sigma; (void) DeleteImageProperty(next,"exif:YResolution"); } value=GetImageProperty(next,"tiff:ResolutionUnit",exception); if (value == (char *) NULL) value=GetImageProperty(next,"exif:ResolutionUnit",exception); if (value != (char *) NULL) { next->units=(ResolutionType) (StringToLong(value)-1); (void) DeleteImageProperty(next,"exif:ResolutionUnit"); (void) DeleteImageProperty(next,"tiff:ResolutionUnit"); } if (next->page.width == 0) next->page.width=next->columns; if (next->page.height == 0) next->page.height=next->rows; option=GetImageOption(read_info,"caption"); if (option != (const char *) NULL) { property=InterpretImageProperties(read_info,next,option,exception); (void) SetImageProperty(next,"caption",property,exception); property=DestroyString(property); } option=GetImageOption(read_info,"comment"); if (option != (const char *) NULL) { property=InterpretImageProperties(read_info,next,option,exception); (void) SetImageProperty(next,"comment",property,exception); property=DestroyString(property); } option=GetImageOption(read_info,"label"); if (option != (const char *) NULL) { property=InterpretImageProperties(read_info,next,option,exception); (void) SetImageProperty(next,"label",property,exception); property=DestroyString(property); } if (LocaleCompare(next->magick,"TEXT") == 0) (void) ParseAbsoluteGeometry("0x0+0+0",&next->page); if ((read_info->extract != (char *) NULL) && (read_info->stream == (StreamHandler) NULL)) { RectangleInfo geometry; flags=ParseAbsoluteGeometry(read_info->extract,&geometry); if ((next->columns != geometry.width) || (next->rows != geometry.height)) { if (((flags & XValue) != 0) || ((flags & YValue) != 0)) { Image *crop_image; crop_image=CropImage(next,&geometry,exception); if (crop_image != (Image *) NULL) ReplaceImageInList(&next,crop_image); } else if (((flags & WidthValue) != 0) || ((flags & HeightValue) != 0)) { Image *size_image; flags=ParseRegionGeometry(next,read_info->extract,&geometry, exception); size_image=ResizeImage(next,geometry.width,geometry.height, next->filter,next->blur,exception); if (size_image != (Image *) NULL) ReplaceImageInList(&next,size_image); } } } profile=GetImageProfile(next,"icc"); if (profile == (const StringInfo *) NULL) profile=GetImageProfile(next,"icm"); profile=GetImageProfile(next,"iptc"); if (profile == (const StringInfo *) NULL) profile=GetImageProfile(next,"8bim"); (void) FormatMagickTime(GetBlobProperties(next)->st_mtime,MaxTextExtent, timestamp); (void) SetImageProperty(next,"date:modify",timestamp,exception); (void) FormatMagickTime(GetBlobProperties(next)->st_ctime,MaxTextExtent, timestamp); (void) SetImageProperty(next,"date:create",timestamp,exception); option=GetImageOption(image_info,"delay"); if (option != (const char *) NULL) { GeometryInfo geometry_info; flags=ParseGeometry(option,&geometry_info); if ((flags & GreaterValue) != 0) { if (next->delay > (size_t) floor(geometry_info.rho+0.5)) next->delay=(size_t) floor(geometry_info.rho+0.5); } else if ((flags & LessValue) != 0) { if (next->delay < (size_t) floor(geometry_info.rho+0.5)) next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5); } else next->delay=(size_t) floor(geometry_info.rho+0.5); if ((flags & SigmaValue) != 0) next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5); } option=GetImageOption(image_info,"dispose"); if (option != (const char *) NULL) next->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions, MagickFalse,option); if (read_info->verbose != MagickFalse) (void) IdentifyImage(next,stderr,MagickFalse,exception); image=next; } read_info=DestroyImageInfo(read_info); return(GetFirstImageInList(image)); }