/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % H H TTTTT M M L % % H H T MM MM L % % HHHHH T M M M L % % H H T M M L % % H H T M M LLLLL % % % % % % Write A Client-Side Image Map Using % % Image Montage & Directory Information. % % % % Software Design % % Cristy % % July 1992 % % % % % % Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % https://imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "MagickCore/studio.h" #include "MagickCore/blob.h" #include "MagickCore/blob-private.h" #include "MagickCore/color-private.h" #include "MagickCore/colorspace.h" #include "MagickCore/colorspace-private.h" #include "MagickCore/constitute.h" #include "MagickCore/exception.h" #include "MagickCore/exception-private.h" #include "MagickCore/geometry.h" #include "MagickCore/list.h" #include "MagickCore/magick.h" #include "MagickCore/memory_.h" #include "MagickCore/paint.h" #include "MagickCore/property.h" #include "MagickCore/quantum-private.h" #include "MagickCore/static.h" #include "MagickCore/string_.h" #include "MagickCore/module.h" #include "MagickCore/utility.h" /* Forward declarations. */ static MagickBooleanType WriteHTMLImage(const ImageInfo *,Image *,ExceptionInfo *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s H T M L % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsHTML() returns MagickTrue if the image format type, identified by the % magick string, is HTML. % % The format of the IsHTML method is: % % MagickBooleanType IsHTML(const unsigned char *magick,const size_t length) % % A description of each parameter follows: % % o magick: compare image format pattern against these bytes. % % o length: Specifies the length of the magick string. % */ static MagickBooleanType IsHTML(const unsigned char *magick,const size_t length) { if (length < 6) return(MagickFalse); if (LocaleNCompare((char *) magick+1,"html",5) == 0) return(MagickTrue); return(MagickFalse); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r H T M L I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterHTMLImage() adds properties for the HTML image format to % the list of supported formats. The properties include the image format % tag, a method to read and/or write the format, whether the format % supports the saving of more than one frame to the same file or blob, % whether the format supports native in-memory I/O, and a brief % description of the format. % % The format of the RegisterHTMLImage method is: % % size_t RegisterHTMLImage(void) % */ ModuleExport size_t RegisterHTMLImage(void) { MagickInfo *entry; entry=AcquireMagickInfo("HTML","HTM", "Hypertext Markup Language and a client-side image map"); entry->encoder=(EncodeImageHandler *) WriteHTMLImage; entry->magick=(IsImageFormatHandler *) IsHTML; entry->flags^=CoderAdjoinFlag; (void) RegisterMagickInfo(entry); entry=AcquireMagickInfo("HTML","HTML", "Hypertext Markup Language and a client-side image map"); entry->encoder=(EncodeImageHandler *) WriteHTMLImage; entry->magick=(IsImageFormatHandler *) IsHTML; entry->flags^=CoderAdjoinFlag; (void) RegisterMagickInfo(entry); entry=AcquireMagickInfo("HTML","SHTML", "Hypertext Markup Language and a client-side image map"); entry->encoder=(EncodeImageHandler *) WriteHTMLImage; entry->magick=(IsImageFormatHandler *) IsHTML; entry->flags^=CoderAdjoinFlag; (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r H T M L I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterHTMLImage() removes format registrations made by the % HTML module from the list of supported formats. % % The format of the UnregisterHTMLImage method is: % % UnregisterHTMLImage(void) % */ ModuleExport void UnregisterHTMLImage(void) { (void) UnregisterMagickInfo("HTM"); (void) UnregisterMagickInfo("HTML"); (void) UnregisterMagickInfo("SHTML"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e H T M L I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteHTMLImage() writes an image in the HTML encoded image format. % % The format of the WriteHTMLImage method is: % % MagickBooleanType WriteHTMLImage(const ImageInfo *image_info, % Image *image,ExceptionInfo *exception) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % % o exception: return any errors or warnings in this structure. % */ static MagickBooleanType WriteHTMLImage(const ImageInfo *image_info, Image *image,ExceptionInfo *exception) { char basename[MagickPathExtent], buffer[MagickPathExtent], filename[MagickPathExtent], mapname[MagickPathExtent], url[MagickPathExtent]; Image *next; ImageInfo *write_info; MagickBooleanType status; RectangleInfo geometry; char *p; /* Open image. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); (void) CloseBlob(image); (void) TransformImageColorspace(image,sRGBColorspace,exception); *url='\0'; if ((LocaleCompare(image_info->magick,"FTP") == 0) || (LocaleCompare(image_info->magick,"HTTP") == 0)) { /* Extract URL base from filename. */ p=strrchr(image->filename,'/'); if (p != (char *) NULL) { p++; (void) CopyMagickString(url,image_info->magick,MagickPathExtent); (void) ConcatenateMagickString(url,":",MagickPathExtent); url[strlen(url)+p-image->filename]='\0'; (void) ConcatenateMagickString(url,image->filename, p-image->filename+2); (void) CopyMagickString(image->filename,p,MagickPathExtent); } } /* Refer to image map file. */ (void) CopyMagickString(filename,image->filename,MagickPathExtent); AppendImageFormat("map",filename); GetPathComponent(filename,BasePath,basename); (void) CopyMagickString(mapname,basename,MagickPathExtent); (void) CopyMagickString(image->filename,image_info->filename, MagickPathExtent); (void) CopyMagickString(filename,image->filename,MagickPathExtent); write_info=CloneImageInfo(image_info); *write_info->magick='\0'; write_info->adjoin=MagickTrue; status=MagickTrue; if (LocaleCompare(image_info->magick,"SHTML") != 0) { const char *value; /* Open output image file. */ assert(exception != (ExceptionInfo *) NULL); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); /* Write the HTML image file. */ (void) WriteBlobString(image,"\n"); (void) WriteBlobString(image,"\n"); (void) WriteBlobString(image,"\n"); (void) WriteBlobString(image,"\n"); value=GetImageProperty(image,"label",exception); if (value != (const char *) NULL) (void) FormatLocaleString(buffer,MagickPathExtent,"%s\n", value); else { GetPathComponent(filename,BasePath,basename); (void) FormatLocaleString(buffer,MagickPathExtent, "%s\n",basename); } (void) WriteBlobString(image,buffer); (void) WriteBlobString(image,"\n"); (void) WriteBlobString(image,"\n"); (void) FormatLocaleString(buffer,MagickPathExtent,"

%s

\n", image->filename); (void) WriteBlobString(image,buffer); (void) WriteBlobString(image,"
\n"); (void) CopyMagickString(filename,image->filename,MagickPathExtent); AppendImageFormat("png",filename); (void) FormatLocaleString(buffer,MagickPathExtent,"\"Image\n",mapname, filename); (void) WriteBlobString(image,buffer); /* Determine the size and location of each image tile. */ SetGeometry(image,&geometry); if (image->montage != (char *) NULL) (void) ParseAbsoluteGeometry(image->montage,&geometry); /* Write an image map. */ (void) FormatLocaleString(buffer,MagickPathExtent, "\n",mapname,mapname); (void) WriteBlobString(image,buffer); (void) FormatLocaleString(buffer,MagickPathExtent," directory == (char *) NULL) { (void) FormatLocaleString(buffer,MagickPathExtent, "%s\" shape=\"rect\" coords=\"0,0,%.20g,%.20g\" alt=\"\" />\n", image->filename,(double) geometry.width-1,(double) geometry.height- 1); (void) WriteBlobString(image,buffer); } else for (p=image->directory; *p != '\0'; p++) if (*p != '\xff') (void) WriteBlobByte(image,(unsigned char) *p); else { (void) FormatLocaleString(buffer,MagickPathExtent,"\" shape=" "\"rect\" coords=\"%.20g,%.20g,%.20g,%.20g\" alt=\"\" />\n", (double) geometry.x,(double) geometry.y,(double) (geometry.x+ geometry.width-1),(double) (geometry.y+geometry.height-1)); (void) WriteBlobString(image,buffer); if (*(p+1) != '\0') { (void) FormatLocaleString(buffer,MagickPathExtent, " = (ssize_t) image->columns) { geometry.x=0; geometry.y+=(ssize_t) geometry.height; } } (void) WriteBlobString(image,"\n"); (void) CopyMagickString(filename,image->filename,MagickPathExtent); (void) WriteBlobString(image,"
\n"); (void) WriteBlobString(image,"\n"); (void) WriteBlobString(image,"\n"); (void) CloseBlob(image); /* Write the image as PNG. */ (void) CopyMagickString(image->filename,filename,MagickPathExtent); AppendImageFormat("png",image->filename); next=GetNextImageInList(image); image->next=NewImageList(); (void) CopyMagickString(image->magick,"PNG",MagickPathExtent); (void) WriteImage(write_info,image,exception); image->next=next; /* Determine image map filename. */ GetPathComponent(image->filename,BasePath,filename); (void) ConcatenateMagickString(filename,"_map.shtml",MagickPathExtent); (void) CopyMagickString(image->filename,filename,MagickPathExtent); } /* Open image map. */ status=OpenBlob(write_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); write_info=DestroyImageInfo(write_info); /* Determine the size and location of each image tile. */ SetGeometry(image,&geometry); if (image->montage != (char *) NULL) (void) ParseAbsoluteGeometry(image->montage,&geometry); /* Write an image map. */ (void) FormatLocaleString(buffer,MagickPathExtent, "\n",mapname,mapname); (void) WriteBlobString(image,buffer); (void) FormatLocaleString(buffer,MagickPathExtent," directory == (char *) NULL) { (void) FormatLocaleString(buffer,MagickPathExtent, "%s\" shape=\"rect\" coords=\"0,0,%.20g,%.20g\" alt=\"\" />\n", image->filename,(double) geometry.width-1,(double) geometry.height-1); (void) WriteBlobString(image,buffer); } else for (p=image->directory; *p != '\0'; p++) if (*p != '\xff') (void) WriteBlobByte(image,(unsigned char) *p); else { (void) FormatLocaleString(buffer,MagickPathExtent,"\" shape=\"rect\"" " coords=\"%.20g,%.20g,%.20g,%.20g\" alt=\"\" />\n", (double) geometry.x,(double) geometry.y,geometry.x+(double) geometry.width-1,geometry.y+(double) geometry.height-1); (void) WriteBlobString(image,buffer); if (*(p+1) != '\0') { (void) FormatLocaleString(buffer,MagickPathExtent, " = (ssize_t) image->columns) { geometry.x=0; geometry.y+=(ssize_t) geometry.height; } } (void) WriteBlobString(image,"\n"); (void) CloseBlob(image); (void) CopyMagickString(image->filename,filename,MagickPathExtent); return(status); }