/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % AAA RRRR TTTTT % % A A R R T % % AAAAA RRRR T % % A A R R T % % A A R R T % % % % % % Support PFS: 1st Publisher Clip Art Format. % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1999-2007 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % http://www.imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "magick/studio.h" #include "magick/blob.h" #include "magick/blob-private.h" #include "magick/color-private.h" #include "magick/colorspace.h" #include "magick/exception.h" #include "magick/exception-private.h" #include "magick/image.h" #include "magick/image-private.h" #include "magick/list.h" #include "magick/magick.h" #include "magick/memory_.h" #include "magick/monitor.h" #include "magick/quantum-private.h" #include "magick/static.h" #include "magick/string_.h" #include "magick/module.h" /* Forward declarations. */ static MagickBooleanType WriteARTImage(const ImageInfo *,Image *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d A R T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadARTImage() reads an image of raw bits in LSB order 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 ReadARTImage method is: % % Image *ReadARTImage(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 *ReadARTImage(const ImageInfo *image_info,ExceptionInfo *exception) { Image *image; long y; QuantumInfo quantum_info; MagickBooleanType status; register PixelPacket *q; ssize_t count; size_t length; unsigned char *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=AllocateImage(image_info); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } image->depth=1; image->endian=MSBEndian; (void) ReadBlobLSBShort(image); image->columns=(unsigned long) ReadBlobLSBShort(image); (void) ReadBlobLSBShort(image); image->columns=(unsigned long) ReadBlobLSBShort(image); /* Initialize image colormap. */ if (AllocateImageColormap(image,2) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); if (image_info->ping != MagickFalse) { CloseBlob(image); return(GetFirstImageInList(image)); } if (SetImageExtent(image,0,0) == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } length=(image->columns+7)/8; pixels=(unsigned char *) AcquireQuantumMemory(length,sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); /* Convert bi-level image to pixel packets. */ GetQuantumInfo(image_info,&quantum_info); for (y=0; y < (long) image->rows; y++) { q=SetImagePixels(image,0,y,image->columns,1); if (q == (PixelPacket *) NULL) break; count=ReadBlob(image,length,pixels); if (count != (ssize_t) length) ThrowReaderException(CorruptImageError,"UnableToReadImageData"); status=ExportQuantumPixels(image,&quantum_info,IndexQuantum,pixels); count=ReadBlob(image,(size_t) (-(ssize_t) length) & 0x01,pixels); 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; } } pixels=(unsigned char *) RelinquishMagickMemory(pixels); if (EOFBlob(image) != MagickFalse) ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); CloseBlob(image); return(GetFirstImageInList(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r A R T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterARTImage() adds attributes for the ART image 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 RegisterARTImage method is: % % unsigned long RegisterARTImage(void) % */ ModuleExport unsigned long RegisterARTImage(void) { MagickInfo *entry; entry=SetMagickInfo("ART"); entry->decoder=(DecodeImageHandler *) ReadARTImage; entry->encoder=(EncodeImageHandler *) WriteARTImage; entry->raw=MagickTrue; entry->adjoin=MagickFalse; entry->description=ConstantString("PFS: 1st Publisher Clip Art"); entry->module=ConstantString("ART"); (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r A R T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterARTImage() removes format registrations made by the % ART module from the list of supported formats. % % The format of the UnregisterARTImage method is: % % UnregisterARTImage(void) % */ ModuleExport void UnregisterARTImage(void) { (void) UnregisterMagickInfo("ART"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e A R T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteARTImage() writes an image of raw bits in LSB order to a file. % % The format of the WriteARTImage method is: % % MagickBooleanType WriteARTImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: The image info. % % o image: The image. % */ static MagickBooleanType WriteARTImage(const ImageInfo *image_info,Image *image) { long y; MagickBooleanType status; QuantumInfo quantum_info; register const PixelPacket *p; ssize_t count; size_t length; unsigned char *pixels; /* Open output image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); if (status == MagickFalse) return(status); if ((image->columns > 65535UL) || (image->rows > 65535UL)) ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); image->endian=MSBEndian; image->depth=1; (void) WriteBlobLSBShort(image,0); (void) WriteBlobLSBShort(image,(unsigned short) image->columns); (void) WriteBlobLSBShort(image,0); (void) WriteBlobLSBShort(image,(unsigned short) image->rows); if (image_info->colorspace == UndefinedColorspace) (void) SetImageColorspace(image,RGBColorspace); length=(image->columns+7)/8; pixels=(unsigned char *) AcquireQuantumMemory(length,sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); /* Convert image to a bi-level image. */ (void) SetImageType(image,BilevelType); GetQuantumInfo(image_info,&quantum_info); quantum_info.min_is_white=MagickFalse; for (y=0; y < (long) image->rows; y++) { p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; (void) ImportQuantumPixels(image,&quantum_info,GrayQuantum,pixels); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) ThrowWriterException(CorruptImageError,"UnableToWriteImageData"); count=WriteBlob(image,(size_t) (-(ssize_t) length) & 0x01,pixels); if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (QuantumTick(y,image->rows) != MagickFalse)) { status=image->progress_monitor(SaveImageTag,y,image->rows, image->client_data); if (status == MagickFalse) break; } } pixels=(unsigned char *) RelinquishMagickMemory(pixels); CloseBlob(image); return(MagickTrue); }