/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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 % % Cristy % % July 1992 % % % % % % Copyright 1999-2019 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/attribute.h" #include "MagickCore/blob.h" #include "MagickCore/blob-private.h" #include "MagickCore/cache.h" #include "MagickCore/color-private.h" #include "MagickCore/colormap.h" #include "MagickCore/colorspace.h" #include "MagickCore/colorspace-private.h" #include "MagickCore/exception.h" #include "MagickCore/exception-private.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/quantum-private.h" #include "MagickCore/static.h" #include "MagickCore/string_.h" #include "MagickCore/module.h" /* Forward declarations. */ static MagickBooleanType WriteARTImage(const ImageInfo *,Image *,ExceptionInfo *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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) { const unsigned char *pixels; Image *image; QuantumInfo *quantum_info; MagickBooleanType status; size_t length; ssize_t count, y; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); image=AcquireImage(image_info,exception); 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=(size_t) ReadBlobLSBShort(image); (void) ReadBlobLSBShort(image); image->rows=(size_t) ReadBlobLSBShort(image); if ((image->columns == 0) || (image->rows == 0)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); if (image_info->ping != MagickFalse) { (void) CloseBlob(image); return(GetFirstImageInList(image)); } status=SetImageExtent(image,image->columns,image->rows,exception); if (status == MagickFalse) return(DestroyImageList(image)); /* Convert bi-level image to pixel packets. */ SetImageColorspace(image,GRAYColorspace,exception); quantum_info=AcquireQuantumInfo(image_info,image); if (quantum_info == (QuantumInfo *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); length=GetQuantumExtent(image,quantum_info,GrayQuantum); for (y=0; y < (ssize_t) image->rows; y++) { register Quantum *magick_restrict q; q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (Quantum *) NULL) break; pixels=(const unsigned char *) ReadBlobStream(image,length, GetQuantumPixels(quantum_info),&count); if (count != (ssize_t) length) break; (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, GrayQuantum,pixels,exception); pixels=(const unsigned char *) ReadBlobStream(image,(size_t) (-(ssize_t) length) & 0x01,GetQuantumPixels(quantum_info),&count); if (SyncAuthenticPixels(image,exception) == MagickFalse) break; if (SetImageProgress(image,LoadImageTag,y,image->rows) == MagickFalse) break; } SetQuantumImageType(image,GrayQuantum); quantum_info=DestroyQuantumInfo(quantum_info); if (y < (ssize_t) image->rows) ThrowReaderException(CorruptImageError,"UnableToReadImageData"); if (EOFBlob(image) != MagickFalse) ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); (void) 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: % % size_t RegisterARTImage(void) % */ ModuleExport size_t RegisterARTImage(void) { MagickInfo *entry; entry=AcquireMagickInfo("ART","ART","PFS: 1st Publisher Clip Art"); entry->decoder=(DecodeImageHandler *) ReadARTImage; entry->encoder=(EncodeImageHandler *) WriteARTImage; entry->flags|=CoderRawSupportFlag; entry->flags^=CoderAdjoinFlag; (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,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 WriteARTImage(const ImageInfo *image_info,Image *image, ExceptionInfo *exception) { MagickBooleanType status; QuantumInfo *quantum_info; register const Quantum *p; size_t length; ssize_t count, y; unsigned char *pixels; /* Open output image file. */ 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->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); if (status == MagickFalse) return(status); if ((image->columns > 65535UL) || (image->rows > 65535UL)) ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); (void) TransformImageColorspace(image,sRGBColorspace,exception); (void) SetImageType(image,BilevelType,exception); 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); quantum_info=AcquireQuantumInfo(image_info,image); if (quantum_info == (QuantumInfo *) NULL) ThrowWriterException(ImageError,"MemoryAllocationFailed"); pixels=(unsigned char *) GetQuantumPixels(quantum_info); for (y=0; y < (ssize_t) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,exception); if (p == (const Quantum *) NULL) break; length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, GrayQuantum,pixels,exception); count=WriteBlob(image,length,pixels); if (count != (ssize_t) length) break; count=WriteBlob(image,(size_t) (-(ssize_t) length) & 0x01,pixels); status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } quantum_info=DestroyQuantumInfo(quantum_info); if (y < (ssize_t) image->rows) ThrowWriterException(CorruptImageError,"UnableToWriteImageData"); (void) CloseBlob(image); return(status); }