- Modifications to compile ImageMagick
This commit is contained in:
Santi Noreña
parent
615ec83706
commit
83522c16c3
3442 changed files with 57 additions and 412926 deletions
551
ImageMagick/coders/jbig.c
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551
ImageMagick/coders/jbig.c
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% JJJJJ BBBB IIIII GGGG %
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% J B B I G %
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% J BBBB I G GG %
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% J J B B I G G %
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% JJJ BBBB IIIII GGG %
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% %
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% %
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% Read/Write JBIG Image Format %
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% %
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% Software Design %
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% John Cristy %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% http://www.imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/attribute.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/cache.h"
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#include "magick/color-private.h"
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#include "magick/colormap.h"
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#include "magick/colorspace.h"
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#include "magick/colorspace-private.h"
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#include "magick/constitute.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/geometry.h"
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#include "magick/image.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/magick.h"
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#include "magick/memory_.h"
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#include "magick/monitor.h"
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#include "magick/monitor-private.h"
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#include "magick/nt-feature.h"
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#include "magick/pixel-accessor.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/string_.h"
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#include "magick/string-private.h"
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#include "magick/module.h"
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#if defined(MAGICKCORE_JBIG_DELEGATE)
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#include "jbig.h"
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#endif
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/*
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Forward declarations.
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*/
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#if defined(MAGICKCORE_JBIG_DELEGATE)
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static MagickBooleanType
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WriteJBIGImage(const ImageInfo *,Image *);
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#endif
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#if defined(MAGICKCORE_JBIG_DELEGATE)
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e a d J B I G I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ReadJBIGImage() reads a JBIG image file and returns it. It
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% allocates the memory necessary for the new Image structure and returns a
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% pointer to the new image.
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%
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% The format of the ReadJBIGImage method is:
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%
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% Image *ReadJBIGImage(const ImageInfo *image_info,
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% ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o image_info: the image info.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static Image *ReadJBIGImage(const ImageInfo *image_info,
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ExceptionInfo *exception)
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{
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Image
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*image;
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IndexPacket
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index;
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MagickStatusType
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status;
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register IndexPacket
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*indexes;
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register ssize_t
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x;
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register PixelPacket
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*q;
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register unsigned char
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*p;
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ssize_t
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length,
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y;
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struct jbg_dec_state
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jbig_info;
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unsigned char
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bit,
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*buffer,
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byte;
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/*
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Open image file.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickSignature);
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if (image_info->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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image_info->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickSignature);
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image=AcquireImage(image_info);
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status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
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if (status == MagickFalse)
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{
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image=DestroyImageList(image);
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return((Image *) NULL);
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}
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/*
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Initialize JBIG toolkit.
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*/
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jbg_dec_init(&jbig_info);
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jbg_dec_maxsize(&jbig_info,(unsigned long) image->columns,(unsigned long)
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image->rows);
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image->columns=jbg_dec_getwidth(&jbig_info);
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image->rows=jbg_dec_getheight(&jbig_info);
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image->depth=8;
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image->storage_class=PseudoClass;
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image->colors=2;
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/*
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Read JBIG file.
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*/
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buffer=(unsigned char *) AcquireQuantumMemory(MagickMaxBufferExtent,
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sizeof(*buffer));
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if (buffer == (unsigned char *) NULL)
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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status=JBG_EAGAIN;
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do
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{
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length=(ssize_t) ReadBlob(image,MagickMaxBufferExtent,buffer);
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if (length == 0)
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break;
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p=buffer;
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while ((length > 0) && ((status == JBG_EAGAIN) || (status == JBG_EOK)))
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{
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size_t
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count;
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status=jbg_dec_in(&jbig_info,p,length,&count);
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p+=count;
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length-=(ssize_t) count;
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}
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} while ((status == JBG_EAGAIN) || (status == JBG_EOK));
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/*
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Create colormap.
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*/
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image->columns=jbg_dec_getwidth(&jbig_info);
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image->rows=jbg_dec_getheight(&jbig_info);
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image->compression=JBIG2Compression;
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if (AcquireImageColormap(image,2) == MagickFalse)
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{
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buffer=(unsigned char *) RelinquishMagickMemory(buffer);
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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}
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image->colormap[0].red=0;
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image->colormap[0].green=0;
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image->colormap[0].blue=0;
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image->colormap[1].red=QuantumRange;
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image->colormap[1].green=QuantumRange;
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image->colormap[1].blue=QuantumRange;
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image->x_resolution=300;
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image->y_resolution=300;
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if (image_info->ping != MagickFalse)
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{
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(void) CloseBlob(image);
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return(GetFirstImageInList(image));
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}
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/*
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Convert X bitmap image to pixel packets.
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*/
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p=jbg_dec_getimage(&jbig_info,0);
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
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if (q == (PixelPacket *) NULL)
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break;
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indexes=GetAuthenticIndexQueue(image);
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bit=0;
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byte=0;
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for (x=0; x < (ssize_t) image->columns; x++)
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{
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if (bit == 0)
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byte=(*p++);
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index=(byte & 0x80) ? 0 : 1;
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bit++;
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byte<<=1;
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if (bit == 8)
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bit=0;
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SetPixelIndex(indexes+x,index);
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SetPixelRGBO(q,image->colormap+(ssize_t) index);
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q++;
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}
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if (SyncAuthenticPixels(image,exception) == MagickFalse)
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break;
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status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
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image->rows);
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if (status == MagickFalse)
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break;
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}
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/*
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Free scale resource.
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*/
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jbg_dec_free(&jbig_info);
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buffer=(unsigned char *) RelinquishMagickMemory(buffer);
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(void) CloseBlob(image);
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return(GetFirstImageInList(image));
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}
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#endif
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e g i s t e r J B I G I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% RegisterJBIGImage() adds attributes for the JBIG image format to
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% the list of supported formats. The attributes include the image format
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% tag, a method to read and/or write the format, whether the format
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% supports the saving of more than one frame to the same file or blob,
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% whether the format supports native in-memory I/O, and a brief
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% description of the format.
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%
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% The format of the RegisterJBIGImage method is:
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%
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% size_t RegisterJBIGImage(void)
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%
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*/
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ModuleExport size_t RegisterJBIGImage(void)
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{
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#define JBIGDescription "Joint Bi-level Image experts Group interchange format"
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char
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version[MaxTextExtent];
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MagickInfo
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*entry;
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*version='\0';
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#if defined(JBG_VERSION)
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(void) CopyMagickString(version,JBG_VERSION,MaxTextExtent);
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#endif
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entry=SetMagickInfo("BIE");
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#if defined(MAGICKCORE_JBIG_DELEGATE)
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entry->decoder=(DecodeImageHandler *) ReadJBIGImage;
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entry->encoder=(EncodeImageHandler *) WriteJBIGImage;
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#endif
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entry->adjoin=MagickFalse;
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entry->description=ConstantString(JBIGDescription);
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if (*version != '\0')
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entry->version=ConstantString(version);
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entry->module=ConstantString("JBIG");
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(void) RegisterMagickInfo(entry);
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entry=SetMagickInfo("JBG");
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#if defined(MAGICKCORE_JBIG_DELEGATE)
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entry->decoder=(DecodeImageHandler *) ReadJBIGImage;
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entry->encoder=(EncodeImageHandler *) WriteJBIGImage;
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#endif
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entry->description=ConstantString(JBIGDescription);
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if (*version != '\0')
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entry->version=ConstantString(version);
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entry->module=ConstantString("JBIG");
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(void) RegisterMagickInfo(entry);
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entry=SetMagickInfo("JBIG");
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#if defined(MAGICKCORE_JBIG_DELEGATE)
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entry->decoder=(DecodeImageHandler *) ReadJBIGImage;
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entry->encoder=(EncodeImageHandler *) WriteJBIGImage;
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#endif
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entry->description=ConstantString(JBIGDescription);
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if (*version != '\0')
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entry->version=ConstantString(version);
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entry->module=ConstantString("JBIG");
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(void) RegisterMagickInfo(entry);
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return(MagickImageCoderSignature);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% U n r e g i s t e r J B I G I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% UnregisterJBIGImage() removes format registrations made by the
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% JBIG module from the list of supported formats.
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%
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% The format of the UnregisterJBIGImage method is:
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%
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% UnregisterJBIGImage(void)
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%
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*/
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ModuleExport void UnregisterJBIGImage(void)
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{
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(void) UnregisterMagickInfo("BIE");
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(void) UnregisterMagickInfo("JBG");
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(void) UnregisterMagickInfo("JBIG");
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}
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#if defined(MAGICKCORE_JBIG_DELEGATE)
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% W r i t e J B I G I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% WriteJBIGImage() writes an image in the JBIG encoded image format.
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%
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% The format of the WriteJBIGImage method is:
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%
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% MagickBooleanType WriteJBIGImage(const ImageInfo *image_info,Image *image)
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%
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% A description of each parameter follows.
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%
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% o image_info: the image info.
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%
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% o image: The image.
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%
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%
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*/
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static void JBIGEncode(unsigned char *pixels,size_t length,void *data)
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{
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Image
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*image;
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image=(Image *) data;
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(void) WriteBlob(image,length,pixels);
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}
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static MagickBooleanType WriteJBIGImage(const ImageInfo *image_info,
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Image *image)
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{
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double
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version;
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MagickBooleanType
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status;
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MagickOffsetType
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scene;
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register const PixelPacket
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*p;
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register ssize_t
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x;
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register unsigned char
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*q;
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size_t
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number_packets;
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ssize_t
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y;
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struct jbg_enc_state
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jbig_info;
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unsigned char
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bit,
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byte,
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*pixels;
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/*
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Open image file.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickSignature);
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assert(image != (Image *) NULL);
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assert(image->signature == MagickSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
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if (status == MagickFalse)
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return(status);
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version=StringToDouble(JBG_VERSION,(char **) NULL);
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scene=0;
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do
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{
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/*
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Allocate pixel data.
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*/
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if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
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(void) TransformImageColorspace(image,sRGBColorspace);
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number_packets=(image->columns+7)/8;
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pixels=(unsigned char *) AcquireQuantumMemory(number_packets,
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image->rows*sizeof(*pixels));
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if (pixels == (unsigned char *) NULL)
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ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
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/*
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Convert pixels to a bitmap.
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*/
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(void) SetImageType(image,BilevelType);
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q=pixels;
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
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if (p == (const PixelPacket *) NULL)
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break;
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bit=0;
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byte=0;
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for (x=0; x < (ssize_t) image->columns; x++)
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{
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byte<<=1;
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if (GetPixelIntensity(image,p) < (QuantumRange/2.0))
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byte|=0x01;
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bit++;
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if (bit == 8)
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{
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*q++=byte;
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bit=0;
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byte=0;
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}
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p++;
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}
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if (bit != 0)
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*q++=byte << (8-bit);
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if (image->previous == (Image *) NULL)
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{
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status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
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image->rows);
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if (status == MagickFalse)
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break;
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}
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}
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/*
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Initialize JBIG info structure.
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*/
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jbg_enc_init(&jbig_info,(unsigned long) image->columns,(unsigned long)
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image->rows,1,&pixels,(void (*)(unsigned char *,size_t,void *))
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JBIGEncode,image);
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if (image_info->scene != 0)
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jbg_enc_layers(&jbig_info,(int) image_info->scene);
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else
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{
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size_t
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x_resolution,
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y_resolution;
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x_resolution=640;
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y_resolution=480;
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if (image_info->density != (char *) NULL)
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{
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GeometryInfo
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geometry_info;
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MagickStatusType
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flags;
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flags=ParseGeometry(image_info->density,&geometry_info);
|
||||
x_resolution=geometry_info.rho;
|
||||
y_resolution=geometry_info.sigma;
|
||||
if ((flags & SigmaValue) == 0)
|
||||
y_resolution=x_resolution;
|
||||
}
|
||||
if (image->units == PixelsPerCentimeterResolution)
|
||||
{
|
||||
x_resolution=(size_t) (100.0*2.54*x_resolution+0.5)/100.0;
|
||||
y_resolution=(size_t) (100.0*2.54*y_resolution+0.5)/100.0;
|
||||
}
|
||||
(void) jbg_enc_lrlmax(&jbig_info,(unsigned long) x_resolution,
|
||||
(unsigned long) y_resolution);
|
||||
}
|
||||
(void) jbg_enc_lrange(&jbig_info,-1,-1);
|
||||
jbg_enc_options(&jbig_info,JBG_ILEAVE | JBG_SMID,JBG_TPDON | JBG_TPBON |
|
||||
JBG_DPON,version < 1.6 ? -1 : 0,-1,-1);
|
||||
/*
|
||||
Write JBIG image.
|
||||
*/
|
||||
jbg_enc_out(&jbig_info);
|
||||
jbg_enc_free(&jbig_info);
|
||||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||||
if (GetNextImageInList(image) == (Image *) NULL)
|
||||
break;
|
||||
image=SyncNextImageInList(image);
|
||||
status=SetImageProgress(image,SaveImagesTag,scene++,
|
||||
GetImageListLength(image));
|
||||
if (status == MagickFalse)
|
||||
break;
|
||||
} while (image_info->adjoin != MagickFalse);
|
||||
(void) CloseBlob(image);
|
||||
return(MagickTrue);
|
||||
}
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue