/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X X PPPP SSSSS % % X X P P SS % % X PPPP SSS % % X X P SS % % X X P SSSSS % % % % % % Read/Write Microsoft XML Paper Specification Format % % % % Software Design % % Cristy % % January 2008 % % % % % % Copyright 1999-2015 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % http://www.imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "MagickCore/studio.h" #include "MagickCore/artifact.h" #include "MagickCore/blob.h" #include "MagickCore/blob-private.h" #include "MagickCore/color.h" #include "MagickCore/color-private.h" #include "MagickCore/colorspace.h" #include "MagickCore/constitute.h" #include "MagickCore/delegate.h" #include "MagickCore/draw.h" #include "MagickCore/exception.h" #include "MagickCore/exception-private.h" #include "MagickCore/geometry.h" #include "MagickCore/image.h" #include "MagickCore/image-private.h" #include "MagickCore/list.h" #include "MagickCore/magick.h" #include "MagickCore/memory_.h" #include "MagickCore/monitor.h" #include "MagickCore/monitor-private.h" #include "MagickCore/option.h" #include "MagickCore/profile.h" #include "MagickCore/property.h" #include "MagickCore/resource_.h" #include "MagickCore/quantum-private.h" #include "MagickCore/static.h" #include "MagickCore/string_.h" #include "MagickCore/module.h" #include "MagickCore/token.h" #include "MagickCore/transform.h" #include "MagickCore/utility.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d X P S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadXPSImage() reads a Printer Control Language 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 ReadXPSImage method is: % % Image *ReadXPSImage(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 *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception) { #define CropBox "CropBox" #define DeviceCMYK "DeviceCMYK" #define MediaBox "MediaBox" #define RenderXPSText " Rendering XPS... " char command[MaxTextExtent], density[MaxTextExtent], filename[MaxTextExtent], geometry[MaxTextExtent], options[MaxTextExtent], input_filename[MaxTextExtent]; const char *option; const DelegateInfo *delegate_info; Image *image, *next_image; ImageInfo *read_info; MagickBooleanType cmyk, status; PointInfo delta; RectangleInfo bounding_box, page; register char *p; register ssize_t c; SegmentInfo bounds; size_t height, width; ssize_t count; 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); /* Open image file. */ image=AcquireImage(image_info,exception); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } status=AcquireUniqueSymbolicLink(image_info->filename,input_filename); if (status == MagickFalse) { ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile", image_info->filename); image=DestroyImageList(image); return((Image *) NULL); } /* Set the page density. */ delta.x=DefaultResolution; delta.y=DefaultResolution; if ((image->resolution.x == 0.0) || (image->resolution.y == 0.0)) { GeometryInfo geometry_info; MagickStatusType flags; flags=ParseGeometry(PSDensityGeometry,&geometry_info); image->resolution.x=geometry_info.rho; image->resolution.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->resolution.y=image->resolution.x; } (void) FormatLocaleString(density,MaxTextExtent,"%gx%g", image->resolution.x,image->resolution.y); /* Determine page geometry from the XPS media box. */ cmyk=image->colorspace == CMYKColorspace ? MagickTrue : MagickFalse; count=0; (void) ResetMagickMemory(&bounding_box,0,sizeof(bounding_box)); (void) ResetMagickMemory(&bounds,0,sizeof(bounds)); (void) ResetMagickMemory(&page,0,sizeof(page)); (void) ResetMagickMemory(command,0,sizeof(command)); p=command; for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image)) { if (image_info->page != (char *) NULL) continue; /* Note XPS elements. */ *p++=(char) c; if ((c != (int) '/') && (c != '\n') && ((size_t) (p-command) < (MaxTextExtent-1))) continue; *p='\0'; p=command; /* Is this a CMYK document? */ if (LocaleNCompare(DeviceCMYK,command,strlen(DeviceCMYK)) == 0) cmyk=MagickTrue; if (LocaleNCompare(CropBox,command,strlen(CropBox)) == 0) { /* Note region defined by crop box. */ count=(ssize_t) sscanf(command,"CropBox [%lf %lf %lf %lf", &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2); if (count != 4) count=(ssize_t) sscanf(command,"CropBox[%lf %lf %lf %lf", &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2); } if (LocaleNCompare(MediaBox,command,strlen(MediaBox)) == 0) { /* Note region defined by media box. */ count=(ssize_t) sscanf(command,"MediaBox [%lf %lf %lf %lf", &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2); if (count != 4) count=(ssize_t) sscanf(command,"MediaBox[%lf %lf %lf %lf", &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2); } if (count != 4) continue; /* Set XPS render geometry. */ width=(size_t) (floor(bounds.x2+0.5)-ceil(bounds.x1-0.5)); height=(size_t) (floor(bounds.y2+0.5)-ceil(bounds.y1-0.5)); if (width > page.width) page.width=width; if (height > page.height) page.height=height; } (void) CloseBlob(image); /* Render XPS with the GhostXPS delegate. */ if ((page.width == 0) || (page.height == 0)) (void) ParseAbsoluteGeometry(PSPageGeometry,&page); if (image_info->page != (char *) NULL) (void) ParseAbsoluteGeometry(image_info->page,&page); (void) FormatLocaleString(geometry,MaxTextExtent,"%.20gx%.20g",(double) page.width,(double) page.height); if (image_info->monochrome != MagickFalse) delegate_info=GetDelegateInfo("xps:mono",(char *) NULL,exception); else if (cmyk != MagickFalse) delegate_info=GetDelegateInfo("xps:cmyk",(char *) NULL,exception); else delegate_info=GetDelegateInfo("xps:color",(char *) NULL,exception); if (delegate_info == (const DelegateInfo *) NULL) return((Image *) NULL); *options='\0'; if ((page.width == 0) || (page.height == 0)) (void) ParseAbsoluteGeometry(PSPageGeometry,&page); if (image_info->page != (char *) NULL) (void) ParseAbsoluteGeometry(image_info->page,&page); page.width=(size_t) floor(page.width*image->resolution.y/delta.x+0.5); page.height=(size_t) floor(page.height*image->resolution.y/delta.y+0.5); (void) FormatLocaleString(options,MaxTextExtent,"-g%.20gx%.20g ",(double) page.width,(double) page.height); image=DestroyImage(image); read_info=CloneImageInfo(image_info); *read_info->magick='\0'; if (read_info->number_scenes != 0) { if (read_info->number_scenes != 1) (void) FormatLocaleString(options,MaxTextExtent,"-dLastPage=%.20g", (double) (read_info->scene+read_info->number_scenes)); else (void) FormatLocaleString(options,MaxTextExtent, "-dFirstPage=%.20g -dLastPage=%.20g",(double) read_info->scene+1, (double) (read_info->scene+read_info->number_scenes)); read_info->number_scenes=0; if (read_info->scenes != (char *) NULL) *read_info->scenes='\0'; } option=GetImageOption(image_info,"authenticate"); if (option != (const char *) NULL) (void) FormatLocaleString(options+strlen(options),MaxTextExtent, " -sPCLPassword=%s",option); (void) CopyMagickString(filename,read_info->filename,MaxTextExtent); (void) AcquireUniqueFilename(read_info->filename); (void) FormatLocaleString(command,MaxTextExtent, GetDelegateCommands(delegate_info), read_info->antialias != MagickFalse ? 4 : 1, read_info->antialias != MagickFalse ? 4 : 1,density,options, read_info->filename,input_filename); status=ExternalDelegateCommand(MagickFalse,read_info->verbose,command, (char *) NULL,exception) != 0 ? MagickTrue : MagickFalse; image=ReadImage(read_info,exception); (void) RelinquishUniqueFileResource(read_info->filename); (void) RelinquishUniqueFileResource(input_filename); read_info=DestroyImageInfo(read_info); if (image == (Image *) NULL) ThrowReaderException(DelegateError,"XPSDelegateFailed"); if (LocaleCompare(image->magick,"BMP") == 0) { Image *cmyk_image; cmyk_image=ConsolidateCMYKImages(image,exception); if (cmyk_image != (Image *) NULL) { image=DestroyImageList(image); image=cmyk_image; } } do { (void) CopyMagickString(image->filename,filename,MaxTextExtent); image->page=page; next_image=SyncNextImageInList(image); if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); return(GetFirstImageInList(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r X P S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterXPSImage() adds attributes for the Microsoft XML Paper Specification % format to the list of supported formats. The attributes include the image % format tag, a method to read and/or write the format, whether the format % supports the saving of more than one frame to the same file or blob, % whether the format supports native in-memory I/O, and a brief % description of the format. % % The format of the RegisterXPSImage method is: % % size_t RegisterXPSImage(void) % */ ModuleExport size_t RegisterXPSImage(void) { MagickInfo *entry; entry=SetMagickInfo("XPS"); entry->decoder=(DecodeImageHandler *) ReadXPSImage; entry->flags^=CoderAdjoinFlag; entry->flags^=CoderBlobSupportFlag; entry->flags^=CoderDecoderThreadSupportFlag; entry->flags|=CoderSeekableStreamFlag; entry->description=ConstantString("Microsoft XML Paper Specification"); entry->module=ConstantString("XPS"); (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r X P S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterXPSImage() removes format registrations made by the XPS module % from the list of supported formats. % % The format of the UnregisterXPSImage method is: % % UnregisterXPSImage(void) % */ ModuleExport void UnregisterXPSImage(void) { (void) UnregisterMagickInfo("XPS"); }