forked from openkylin/imagemagick
1519 lines
53 KiB
C
1519 lines
53 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% M M PPPP CCCC %
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% MM MM P P C %
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% M M M PPPP C %
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% M M P C %
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% M M P CCCC %
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% %
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% %
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% Read/Write Magick Persistant Cache Image Format %
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% %
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% Software Design %
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% Cristy %
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% March 2000 %
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% %
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% %
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% Copyright 1999-2021 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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% https://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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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/artifact.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.h"
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#include "magick/color-private.h"
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#include "magick/colormap.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/hashmap.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/module.h"
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#include "magick/monitor.h"
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#include "magick/monitor-private.h"
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#include "magick/option.h"
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#include "magick/pixel-accessor.h"
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#include "magick/profile.h"
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#include "magick/property.h"
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#include "magick/quantum-private.h"
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#include "magick/resource_.h"
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#include "magick/static.h"
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#include "magick/statistic.h"
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#include "magick/string_.h"
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#include "magick/string-private.h"
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#include "magick/utility.h"
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#include "magick/version-private.h"
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/*
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Forward declarations.
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*/
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static MagickBooleanType
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WriteMPCImage(const ImageInfo *,Image *);
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% I s M P 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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% IsMPC() returns MagickTrue if the image format type, identified by the
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% magick string, is an Magick Persistent Cache image.
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%
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% The format of the IsMPC method is:
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%
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% MagickBooleanType IsMPC(const unsigned char *magick,const size_t length)
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%
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% A description of each parameter follows:
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%
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% o magick: compare image format pattern against these bytes.
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%
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% o length: Specifies the length of the magick string.
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%
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*/
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static MagickBooleanType IsMPC(const unsigned char *magick,const size_t length)
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{
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if (length < 14)
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return(MagickFalse);
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if (LocaleNCompare((const char *) magick,"id=MagickPixelCache",14) == 0)
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return(MagickTrue);
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return(MagickFalse);
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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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% R e a d C A C H E 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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% ReadMPCImage() reads an Magick Persistent Cache image file and returns
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% it. It allocates the memory necessary for the new Image structure and
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% returns a pointer to the new image.
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%
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% The format of the ReadMPCImage method is:
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%
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% Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
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%
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% Decompression code contributed by Kyle Shorter.
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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 *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
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{
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char
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cache_filename[MaxTextExtent],
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id[MaxTextExtent],
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keyword[MaxTextExtent],
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*options;
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const unsigned char
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*p;
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GeometryInfo
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geometry_info;
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Image
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*image;
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int
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c;
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LinkedListInfo
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*profiles;
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MagickBooleanType
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status;
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MagickOffsetType
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offset;
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MagickStatusType
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flags;
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ssize_t
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i;
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size_t
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depth,
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extent,
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length;
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ssize_t
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count;
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unsigned int
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signature;
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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 == MagickCoreSignature);
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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 == MagickCoreSignature);
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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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(void) CopyMagickString(cache_filename,image->filename,MaxTextExtent-6);
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AppendImageFormat("cache",cache_filename);
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c=ReadBlobByte(image);
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if (c == EOF)
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{
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image=DestroyImage(image);
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return((Image *) NULL);
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}
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*id='\0';
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(void) memset(keyword,0,sizeof(keyword));
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offset=0;
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do
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{
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/*
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Decode image header; header terminates one character beyond a ':'.
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*/
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SetGeometryInfo(&geometry_info);
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profiles=(LinkedListInfo *) NULL;
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length=MaxTextExtent;
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options=AcquireString((char *) NULL);
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signature=GetMagickCoreSignature((const StringInfo *) NULL);
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image->depth=8;
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image->compression=NoCompression;
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while ((isgraph((int) ((unsigned char) c)) != 0) && (c != (int) ':'))
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{
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char
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*p;
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if (c == (int) '{')
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{
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char
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*comment;
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/*
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Read comment-- any text between { }.
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*/
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length=MaxTextExtent;
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comment=AcquireString((char *) NULL);
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for (p=comment; comment != (char *) NULL; p++)
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{
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c=ReadBlobByte(image);
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if (c == (int) '\\')
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c=ReadBlobByte(image);
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else
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if ((c == EOF) || (c == (int) '}'))
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break;
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if ((size_t) (p-comment+1) >= length)
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{
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*p='\0';
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length<<=1;
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comment=(char *) ResizeQuantumMemory(comment,length+
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MaxTextExtent,sizeof(*comment));
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if (comment == (char *) NULL)
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break;
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p=comment+strlen(comment);
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}
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*p=(char) c;
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}
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if (comment == (char *) NULL)
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{
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options=DestroyString(options);
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ThrowReaderException(ResourceLimitError,
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"MemoryAllocationFailed");
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}
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*p='\0';
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(void) SetImageProperty(image,"comment",comment);
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comment=DestroyString(comment);
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c=ReadBlobByte(image);
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}
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else
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if (isalnum((int) ((unsigned char) c)) != MagickFalse)
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{
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/*
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Get the keyword.
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*/
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length=MaxTextExtent-1;
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p=keyword;
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do
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{
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if (c == (int) '=')
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break;
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if ((size_t) (p-keyword) < (MaxTextExtent-1))
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*p++=(char) c;
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c=ReadBlobByte(image);
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} while (c != EOF);
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*p='\0';
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p=options;
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while (isspace((int) ((unsigned char) c)) != 0)
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c=ReadBlobByte(image);
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if (c == (int) '=')
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{
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/*
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Get the keyword value.
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*/
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c=ReadBlobByte(image);
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while ((c != (int) '}') && (c != EOF))
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{
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if ((size_t) (p-options+1) >= length)
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{
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*p='\0';
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length<<=1;
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options=(char *) ResizeQuantumMemory(options,length+
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MaxTextExtent,sizeof(*options));
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if (options == (char *) NULL)
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break;
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p=options+strlen(options);
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}
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*p++=(char) c;
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c=ReadBlobByte(image);
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if (c == '\\')
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{
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c=ReadBlobByte(image);
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if (c == (int) '}')
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{
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*p++=(char) c;
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c=ReadBlobByte(image);
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}
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}
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if (*options != '{')
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if (isspace((int) ((unsigned char) c)) != 0)
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break;
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}
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if (options == (char *) NULL)
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ThrowReaderException(ResourceLimitError,
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"MemoryAllocationFailed");
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}
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*p='\0';
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if (*options == '{')
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(void) CopyMagickString(options,options+1,strlen(options));
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/*
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Assign a value to the specified keyword.
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*/
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switch (*keyword)
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{
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case 'b':
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case 'B':
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{
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if (LocaleCompare(keyword,"background-color") == 0)
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{
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(void) QueryColorDatabase(options,&image->background_color,
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exception);
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break;
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}
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if (LocaleCompare(keyword,"blue-primary") == 0)
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{
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flags=ParseGeometry(options,&geometry_info);
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image->chromaticity.blue_primary.x=geometry_info.rho;
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image->chromaticity.blue_primary.y=geometry_info.sigma;
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if ((flags & SigmaValue) == 0)
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image->chromaticity.blue_primary.y=
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image->chromaticity.blue_primary.x;
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break;
|
||
}
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if (LocaleCompare(keyword,"border-color") == 0)
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{
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(void) QueryColorDatabase(options,&image->border_color,
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exception);
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break;
|
||
}
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(void) SetImageProperty(image,keyword,options);
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break;
|
||
}
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case 'c':
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case 'C':
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{
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if (LocaleCompare(keyword,"class") == 0)
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{
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ssize_t
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storage_class;
|
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|
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storage_class=ParseCommandOption(MagickClassOptions,
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MagickFalse,options);
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if (storage_class < 0)
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break;
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image->storage_class=(ClassType) storage_class;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"colors") == 0)
|
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{
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||
image->colors=StringToUnsignedLong(options);
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break;
|
||
}
|
||
if (LocaleCompare(keyword,"colorspace") == 0)
|
||
{
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||
ssize_t
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||
colorspace;
|
||
|
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colorspace=ParseCommandOption(MagickColorspaceOptions,
|
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MagickFalse,options);
|
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if (colorspace < 0)
|
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break;
|
||
image->colorspace=(ColorspaceType) colorspace;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"compression") == 0)
|
||
{
|
||
ssize_t
|
||
compression;
|
||
|
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compression=ParseCommandOption(MagickCompressOptions,
|
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MagickFalse,options);
|
||
if (compression < 0)
|
||
break;
|
||
image->compression=(CompressionType) compression;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"columns") == 0)
|
||
{
|
||
image->columns=StringToUnsignedLong(options);
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'd':
|
||
case 'D':
|
||
{
|
||
if (LocaleCompare(keyword,"delay") == 0)
|
||
{
|
||
image->delay=StringToUnsignedLong(options);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"depth") == 0)
|
||
{
|
||
image->depth=StringToUnsignedLong(options);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"dispose") == 0)
|
||
{
|
||
ssize_t
|
||
dispose;
|
||
|
||
dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,
|
||
options);
|
||
if (dispose < 0)
|
||
break;
|
||
image->dispose=(DisposeType) dispose;
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'e':
|
||
case 'E':
|
||
{
|
||
if (LocaleCompare(keyword,"endian") == 0)
|
||
{
|
||
ssize_t
|
||
endian;
|
||
|
||
endian=ParseCommandOption(MagickEndianOptions,MagickFalse,
|
||
options);
|
||
if (endian < 0)
|
||
break;
|
||
image->endian=(EndianType) endian;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"error") == 0)
|
||
{
|
||
image->error.mean_error_per_pixel=StringToDouble(options,
|
||
(char **) NULL);
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'g':
|
||
case 'G':
|
||
{
|
||
if (LocaleCompare(keyword,"gamma") == 0)
|
||
{
|
||
image->gamma=StringToDouble(options,(char **) NULL);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"green-primary") == 0)
|
||
{
|
||
flags=ParseGeometry(options,&geometry_info);
|
||
image->chromaticity.green_primary.x=geometry_info.rho;
|
||
image->chromaticity.green_primary.y=geometry_info.sigma;
|
||
if ((flags & SigmaValue) == 0)
|
||
image->chromaticity.green_primary.y=
|
||
image->chromaticity.green_primary.x;
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'i':
|
||
case 'I':
|
||
{
|
||
if (LocaleCompare(keyword,"id") == 0)
|
||
{
|
||
(void) CopyMagickString(id,options,MaxTextExtent);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"iterations") == 0)
|
||
{
|
||
image->iterations=StringToUnsignedLong(options);
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'm':
|
||
case 'M':
|
||
{
|
||
if (LocaleCompare(keyword,"magick-signature") == 0)
|
||
{
|
||
signature=(unsigned int) StringToUnsignedLong(options);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"matte") == 0)
|
||
{
|
||
ssize_t
|
||
matte;
|
||
|
||
matte=ParseCommandOption(MagickBooleanOptions,MagickFalse,
|
||
options);
|
||
if (matte < 0)
|
||
break;
|
||
image->matte=(MagickBooleanType) matte;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"matte-color") == 0)
|
||
{
|
||
(void) QueryColorDatabase(options,&image->matte_color,
|
||
exception);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"maximum-error") == 0)
|
||
{
|
||
image->error.normalized_maximum_error=StringToDouble(
|
||
options,(char **) NULL);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"mean-error") == 0)
|
||
{
|
||
image->error.normalized_mean_error=StringToDouble(options,
|
||
(char **) NULL);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"montage") == 0)
|
||
{
|
||
(void) CloneString(&image->montage,options);
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'o':
|
||
case 'O':
|
||
{
|
||
if (LocaleCompare(keyword,"opaque") == 0)
|
||
{
|
||
ssize_t
|
||
matte;
|
||
|
||
matte=ParseCommandOption(MagickBooleanOptions,MagickFalse,
|
||
options);
|
||
if (matte < 0)
|
||
break;
|
||
image->matte=(MagickBooleanType) matte;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"orientation") == 0)
|
||
{
|
||
ssize_t
|
||
orientation;
|
||
|
||
orientation=ParseCommandOption(MagickOrientationOptions,
|
||
MagickFalse,options);
|
||
if (orientation < 0)
|
||
break;
|
||
image->orientation=(OrientationType) orientation;
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'p':
|
||
case 'P':
|
||
{
|
||
if (LocaleCompare(keyword,"page") == 0)
|
||
{
|
||
char
|
||
*geometry;
|
||
|
||
geometry=GetPageGeometry(options);
|
||
(void) ParseAbsoluteGeometry(geometry,&image->page);
|
||
geometry=DestroyString(geometry);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"pixel-intensity") == 0)
|
||
{
|
||
ssize_t
|
||
intensity;
|
||
|
||
intensity=ParseCommandOption(MagickPixelIntensityOptions,
|
||
MagickFalse,options);
|
||
if (intensity < 0)
|
||
break;
|
||
image->intensity=(PixelIntensityMethod) intensity;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"profile") == 0)
|
||
{
|
||
if (profiles == (LinkedListInfo *) NULL)
|
||
profiles=NewLinkedList(0);
|
||
(void) AppendValueToLinkedList(profiles,
|
||
AcquireString(options));
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'q':
|
||
case 'Q':
|
||
{
|
||
if (LocaleCompare(keyword,"quality") == 0)
|
||
{
|
||
image->quality=StringToUnsignedLong(options);
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'r':
|
||
case 'R':
|
||
{
|
||
if (LocaleCompare(keyword,"red-primary") == 0)
|
||
{
|
||
flags=ParseGeometry(options,&geometry_info);
|
||
image->chromaticity.red_primary.x=geometry_info.rho;
|
||
if ((flags & SigmaValue) != 0)
|
||
image->chromaticity.red_primary.y=geometry_info.sigma;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"rendering-intent") == 0)
|
||
{
|
||
ssize_t
|
||
rendering_intent;
|
||
|
||
rendering_intent=ParseCommandOption(MagickIntentOptions,
|
||
MagickFalse,options);
|
||
if (rendering_intent < 0)
|
||
break;
|
||
image->rendering_intent=(RenderingIntent) rendering_intent;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"resolution") == 0)
|
||
{
|
||
flags=ParseGeometry(options,&geometry_info);
|
||
image->x_resolution=geometry_info.rho;
|
||
image->y_resolution=geometry_info.sigma;
|
||
if ((flags & SigmaValue) == 0)
|
||
image->y_resolution=image->x_resolution;
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"rows") == 0)
|
||
{
|
||
image->rows=StringToUnsignedLong(options);
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 's':
|
||
case 'S':
|
||
{
|
||
if (LocaleCompare(keyword,"scene") == 0)
|
||
{
|
||
image->scene=StringToUnsignedLong(options);
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 't':
|
||
case 'T':
|
||
{
|
||
if (LocaleCompare(keyword,"ticks-per-second") == 0)
|
||
{
|
||
image->ticks_per_second=(ssize_t) StringToLong(options);
|
||
break;
|
||
}
|
||
if (LocaleCompare(keyword,"tile-offset") == 0)
|
||
{
|
||
char
|
||
*geometry;
|
||
|
||
geometry=GetPageGeometry(options);
|
||
(void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
|
||
geometry=DestroyString(geometry);
|
||
}
|
||
if (LocaleCompare(keyword,"type") == 0)
|
||
{
|
||
ssize_t
|
||
type;
|
||
|
||
type=ParseCommandOption(MagickTypeOptions,MagickFalse,
|
||
options);
|
||
if (type < 0)
|
||
break;
|
||
image->type=(ImageType) type;
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'u':
|
||
case 'U':
|
||
{
|
||
if (LocaleCompare(keyword,"units") == 0)
|
||
{
|
||
ssize_t
|
||
units;
|
||
|
||
units=ParseCommandOption(MagickResolutionOptions,MagickFalse,
|
||
options);
|
||
if (units < 0)
|
||
break;
|
||
image->units=(ResolutionType) units;
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
case 'w':
|
||
case 'W':
|
||
{
|
||
if (LocaleCompare(keyword,"white-point") == 0)
|
||
{
|
||
flags=ParseGeometry(options,&geometry_info);
|
||
image->chromaticity.white_point.x=geometry_info.rho;
|
||
image->chromaticity.white_point.y=geometry_info.sigma;
|
||
if ((flags & SigmaValue) == 0)
|
||
image->chromaticity.white_point.y=
|
||
image->chromaticity.white_point.x;
|
||
break;
|
||
}
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
(void) SetImageProperty(image,keyword,options);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
c=ReadBlobByte(image);
|
||
while (isspace((int) ((unsigned char) c)) != 0)
|
||
c=ReadBlobByte(image);
|
||
}
|
||
options=DestroyString(options);
|
||
(void) ReadBlobByte(image);
|
||
/*
|
||
Verify that required image information is defined.
|
||
*/
|
||
if ((LocaleCompare(id,"MagickPixelCache") != 0) ||
|
||
(image->storage_class == UndefinedClass) ||
|
||
(image->compression == UndefinedCompression) ||
|
||
(image->columns == 0) || (image->rows == 0) ||
|
||
(image->depth == 0) || (image->depth > 64))
|
||
{
|
||
if (profiles != (LinkedListInfo *) NULL)
|
||
profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
}
|
||
if (signature != GetMagickCoreSignature((const StringInfo *) NULL))
|
||
{
|
||
if (profiles != (LinkedListInfo *) NULL)
|
||
profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
|
||
ThrowReaderException(CacheError,"IncompatibleAPI");
|
||
}
|
||
if (image->montage != (char *) NULL)
|
||
{
|
||
char
|
||
*p;
|
||
|
||
/*
|
||
Image directory.
|
||
*/
|
||
extent=MaxTextExtent;
|
||
image->directory=AcquireString((char *) NULL);
|
||
p=image->directory;
|
||
length=0;
|
||
do
|
||
{
|
||
*p='\0';
|
||
if ((length+MaxTextExtent) >= extent)
|
||
{
|
||
/*
|
||
Allocate more memory for the image directory.
|
||
*/
|
||
extent<<=1;
|
||
image->directory=(char *) ResizeQuantumMemory(image->directory,
|
||
extent+MaxTextExtent,sizeof(*image->directory));
|
||
if (image->directory == (char *) NULL)
|
||
{
|
||
if (profiles != (LinkedListInfo *) NULL)
|
||
profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
|
||
ThrowReaderException(CorruptImageError,
|
||
"UnableToReadImageData");
|
||
}
|
||
p=image->directory+length;
|
||
}
|
||
c=ReadBlobByte(image);
|
||
if (c == EOF)
|
||
break;
|
||
*p++=(char) c;
|
||
length++;
|
||
} while (c != (int) '\0');
|
||
}
|
||
if (profiles != (LinkedListInfo *) NULL)
|
||
{
|
||
const char
|
||
*name;
|
||
|
||
StringInfo
|
||
*profile;
|
||
|
||
/*
|
||
Read image profile blobs.
|
||
*/
|
||
ResetLinkedListIterator(profiles);
|
||
name=(const char *) GetNextValueInLinkedList(profiles);
|
||
while (name != (const char *) NULL)
|
||
{
|
||
length=ReadBlobMSBLong(image);
|
||
if ((MagickSizeType) length > GetBlobSize(image))
|
||
break;
|
||
profile=AcquireStringInfo(length);
|
||
if (profile == (StringInfo *) NULL)
|
||
break;
|
||
count=ReadBlob(image,length,GetStringInfoDatum(profile));
|
||
if (count != (ssize_t) length)
|
||
{
|
||
profile=DestroyStringInfo(profile);
|
||
break;
|
||
}
|
||
status=SetImageProfile(image,name,profile);
|
||
profile=DestroyStringInfo(profile);
|
||
if (status == MagickFalse)
|
||
break;
|
||
name=(const char *) GetNextValueInLinkedList(profiles);
|
||
}
|
||
profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
|
||
}
|
||
depth=GetImageQuantumDepth(image,MagickFalse);
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
size_t
|
||
packet_size;
|
||
|
||
unsigned char
|
||
*colormap;
|
||
|
||
/*
|
||
Create image colormap.
|
||
*/
|
||
packet_size=(size_t) (3UL*depth/8UL);
|
||
if ((MagickSizeType) (packet_size*image->colors) > GetBlobSize(image))
|
||
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
||
image->colormap=(PixelPacket *) AcquireQuantumMemory(image->colors+1,
|
||
sizeof(*image->colormap));
|
||
if (image->colormap == (PixelPacket *) NULL)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
if (image->colors != 0)
|
||
{
|
||
/*
|
||
Read image colormap from file.
|
||
*/
|
||
colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
|
||
packet_size*sizeof(*colormap));
|
||
if (colormap == (unsigned char *) NULL)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
count=ReadBlob(image,packet_size*image->colors,colormap);
|
||
if (count != (ssize_t) (packet_size*image->colors))
|
||
{
|
||
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
|
||
ThrowReaderException(CorruptImageError,
|
||
"InsufficientImageDataInFile");
|
||
}
|
||
p=colormap;
|
||
switch (depth)
|
||
{
|
||
default:
|
||
{
|
||
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
|
||
ThrowReaderException(CorruptImageError,
|
||
"ImageDepthNotSupported");
|
||
break;
|
||
}
|
||
case 8:
|
||
{
|
||
unsigned char
|
||
pixel;
|
||
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
{
|
||
p=PushCharPixel(p,&pixel);
|
||
image->colormap[i].red=ScaleCharToQuantum(pixel);
|
||
p=PushCharPixel(p,&pixel);
|
||
image->colormap[i].green=ScaleCharToQuantum(pixel);
|
||
p=PushCharPixel(p,&pixel);
|
||
image->colormap[i].blue=ScaleCharToQuantum(pixel);
|
||
}
|
||
break;
|
||
}
|
||
case 16:
|
||
{
|
||
unsigned short
|
||
pixel;
|
||
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
{
|
||
p=PushShortPixel(MSBEndian,p,&pixel);
|
||
image->colormap[i].red=ScaleShortToQuantum(pixel);
|
||
p=PushShortPixel(MSBEndian,p,&pixel);
|
||
image->colormap[i].green=ScaleShortToQuantum(pixel);
|
||
p=PushShortPixel(MSBEndian,p,&pixel);
|
||
image->colormap[i].blue=ScaleShortToQuantum(pixel);
|
||
}
|
||
break;
|
||
}
|
||
case 32:
|
||
{
|
||
unsigned int
|
||
pixel;
|
||
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
{
|
||
p=PushLongPixel(MSBEndian,p,&pixel);
|
||
image->colormap[i].red=ScaleLongToQuantum(pixel);
|
||
p=PushLongPixel(MSBEndian,p,&pixel);
|
||
image->colormap[i].green=ScaleLongToQuantum(pixel);
|
||
p=PushLongPixel(MSBEndian,p,&pixel);
|
||
image->colormap[i].blue=ScaleLongToQuantum(pixel);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
|
||
}
|
||
}
|
||
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
|
||
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
|
||
break;
|
||
if ((AcquireMagickResource(WidthResource,image->columns) == MagickFalse) ||
|
||
(AcquireMagickResource(HeightResource,image->rows) == MagickFalse))
|
||
ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit");
|
||
/*
|
||
Attach persistent pixel cache.
|
||
*/
|
||
status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
|
||
if (status == MagickFalse)
|
||
{
|
||
status=SetImageExtent(image,image->columns,image->rows);
|
||
ThrowReaderException(CacheError,"UnableToPersistPixelCache");
|
||
}
|
||
if (EOFBlob(image) != MagickFalse)
|
||
{
|
||
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
|
||
image->filename);
|
||
break;
|
||
}
|
||
/*
|
||
Proceed to next image.
|
||
*/
|
||
do
|
||
{
|
||
c=ReadBlobByte(image);
|
||
} while ((isgraph((int) ((unsigned char) c)) == 0) && (c != EOF));
|
||
if (c != EOF)
|
||
{
|
||
/*
|
||
Allocate next image structure.
|
||
*/
|
||
AcquireNextImage(image_info,image);
|
||
if (GetNextImageInList(image) == (Image *) NULL)
|
||
{
|
||
status=MagickFalse;
|
||
break;
|
||
}
|
||
image=SyncNextImageInList(image);
|
||
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
|
||
GetBlobSize(image));
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
} while (c != EOF);
|
||
(void) CloseBlob(image);
|
||
if (status == MagickFalse)
|
||
return(DestroyImageList(image));
|
||
return(GetFirstImageInList(image));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e g i s t e r M P C I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% RegisterMPCImage() adds properties for the Cache 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 RegisterMPCImage method is:
|
||
%
|
||
% size_t RegisterMPCImage(void)
|
||
%
|
||
*/
|
||
ModuleExport size_t RegisterMPCImage(void)
|
||
{
|
||
MagickInfo
|
||
*entry;
|
||
|
||
entry=SetMagickInfo("CACHE");
|
||
entry->description=ConstantString("Magick Persistent Cache image format");
|
||
entry->magick_module=ConstantString("MPC");
|
||
entry->stealth=MagickTrue;
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("MPC");
|
||
entry->decoder=(DecodeImageHandler *) ReadMPCImage;
|
||
entry->encoder=(EncodeImageHandler *) WriteMPCImage;
|
||
entry->magick=(IsImageFormatHandler *) IsMPC;
|
||
entry->description=ConstantString("Magick Persistent Cache image format");
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->magick_module=ConstantString("MPC");
|
||
(void) RegisterMagickInfo(entry);
|
||
return(MagickImageCoderSignature);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% U n r e g i s t e r M P C I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% UnregisterMPCImage() removes format registrations made by the
|
||
% MPC module from the list of supported formats.
|
||
%
|
||
% The format of the UnregisterMPCImage method is:
|
||
%
|
||
% UnregisterMPCImage(void)
|
||
%
|
||
*/
|
||
ModuleExport void UnregisterMPCImage(void)
|
||
{
|
||
(void) UnregisterMagickInfo("CACHE");
|
||
(void) UnregisterMagickInfo("MPC");
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% W r i t e M P C I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% WriteMPCImage() writes an Magick Persistent Cache image to a file.
|
||
%
|
||
% The format of the WriteMPCImage method is:
|
||
%
|
||
% MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o image: the image.
|
||
%
|
||
*/
|
||
static MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image)
|
||
{
|
||
char
|
||
buffer[MaxTextExtent],
|
||
cache_filename[MaxTextExtent];
|
||
|
||
const char
|
||
*property,
|
||
*value;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
MagickOffsetType
|
||
offset,
|
||
scene;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
size_t
|
||
depth,
|
||
imageListLength,
|
||
one;
|
||
|
||
/*
|
||
Open persistent cache.
|
||
*/
|
||
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);
|
||
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
|
||
if (status == MagickFalse)
|
||
return(status);
|
||
(void) CopyMagickString(cache_filename,image->filename,MaxTextExtent-6);
|
||
AppendImageFormat("cache",cache_filename);
|
||
scene=0;
|
||
offset=0;
|
||
one=1;
|
||
imageListLength=GetImageListLength(image);
|
||
do
|
||
{
|
||
/*
|
||
Write persistent cache meta-information.
|
||
*/
|
||
(void) SetImageStorageClass(image,image->storage_class);
|
||
depth=GetImageQuantumDepth(image,MagickTrue);
|
||
if ((image->storage_class == PseudoClass) &&
|
||
(image->colors > (one << depth)))
|
||
(void) SetImageStorageClass(image,DirectClass);
|
||
(void) WriteBlobString(image,"id=MagickPixelCache\n");
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"magick-signature=%u\n",
|
||
GetMagickCoreSignature((const StringInfo *) NULL));
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"class=%s colors=%.20g matte=%s\n",CommandOptionToMnemonic(
|
||
MagickClassOptions,image->storage_class),(double) image->colors,
|
||
CommandOptionToMnemonic(MagickBooleanOptions,(ssize_t) image->matte));
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"columns=%.20g rows=%.20g depth=%.20g\n",(double) image->columns,
|
||
(double) image->rows,(double) image->depth);
|
||
(void) WriteBlobString(image,buffer);
|
||
if (image->type != UndefinedType)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"type=%s\n",
|
||
CommandOptionToMnemonic(MagickTypeOptions,image->type));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->colorspace != UndefinedColorspace)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"colorspace=%s\n",
|
||
CommandOptionToMnemonic(MagickColorspaceOptions,image->colorspace));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->intensity != UndefinedPixelIntensityMethod)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"pixel-intensity=%s\n",
|
||
CommandOptionToMnemonic(MagickPixelIntensityOptions,
|
||
image->intensity));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->endian != UndefinedEndian)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"endian=%s\n",
|
||
CommandOptionToMnemonic(MagickEndianOptions,image->endian));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->compression != UndefinedCompression)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"compression=%s quality=%.20g\n",CommandOptionToMnemonic(
|
||
MagickCompressOptions,image->compression),(double) image->quality);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->units != UndefinedResolution)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"units=%s\n",
|
||
CommandOptionToMnemonic(MagickResolutionOptions,image->units));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if ((image->x_resolution != 0) || (image->y_resolution != 0))
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"resolution=%gx%g\n",image->x_resolution,image->y_resolution);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if ((image->page.width != 0) || (image->page.height != 0))
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"page=%.20gx%.20g%+.20g%+.20g\n",(double) image->page.width,(double)
|
||
image->page.height,(double) image->page.x,(double) image->page.y);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
else
|
||
if ((image->page.x != 0) || (image->page.y != 0))
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"page=%+ld%+ld\n",
|
||
(long) image->page.x,(long) image->page.y);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if ((image->tile_offset.x != 0) || (image->tile_offset.y != 0))
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"tile-offset=%+ld%+ld\n",
|
||
(long) image->tile_offset.x,(long) image->tile_offset.y);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if ((GetNextImageInList(image) != (Image *) NULL) ||
|
||
(GetPreviousImageInList(image) != (Image *) NULL))
|
||
{
|
||
if (image->scene == 0)
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"iterations=%.20g delay=%.20g ticks-per-second=%.20g\n",(double)
|
||
image->iterations,(double) image->delay,(double)
|
||
image->ticks_per_second);
|
||
else
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"scene=%.20g "
|
||
"iterations=%.20g delay=%.20g ticks-per-second=%.20g\n",
|
||
(double) image->scene,(double) image->iterations,(double)
|
||
image->delay,(double) image->ticks_per_second);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
else
|
||
{
|
||
if (image->scene != 0)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"scene=%.20g\n",
|
||
(double) image->scene);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->iterations != 0)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"iterations=%.20g\n",
|
||
(double) image->iterations);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->delay != 0)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"delay=%.20g\n",
|
||
(double) image->delay);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->ticks_per_second != UndefinedTicksPerSecond)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"ticks-per-second=%.20g\n",(double) image->ticks_per_second);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
}
|
||
if (image->gravity != UndefinedGravity)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"gravity=%s\n",
|
||
CommandOptionToMnemonic(MagickGravityOptions,image->gravity));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->dispose != UndefinedDispose)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"dispose=%s\n",
|
||
CommandOptionToMnemonic(MagickDisposeOptions,image->dispose));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->rendering_intent != UndefinedIntent)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"rendering-intent=%s\n",CommandOptionToMnemonic(MagickIntentOptions,
|
||
image->rendering_intent));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->gamma != 0.0)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"gamma=%g\n",
|
||
image->gamma);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->chromaticity.white_point.x != 0.0)
|
||
{
|
||
/*
|
||
Note chomaticity points.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"red-primary="
|
||
"%g,%g green-primary=%g,%g blue-primary=%g,%g\n",
|
||
image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
|
||
image->chromaticity.green_primary.x,
|
||
image->chromaticity.green_primary.y,
|
||
image->chromaticity.blue_primary.x,
|
||
image->chromaticity.blue_primary.y);
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"white-point=%g,%g\n",image->chromaticity.white_point.x,
|
||
image->chromaticity.white_point.y);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->orientation != UndefinedOrientation)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"orientation=%s\n",CommandOptionToMnemonic(MagickOrientationOptions,
|
||
image->orientation));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
if (image->profiles != (void *) NULL)
|
||
{
|
||
const char
|
||
*name;
|
||
|
||
const StringInfo
|
||
*profile;
|
||
|
||
/*
|
||
Write image profile names.
|
||
*/
|
||
ResetImageProfileIterator(image);
|
||
for (name=GetNextImageProfile(image); name != (const char *) NULL; )
|
||
{
|
||
profile=GetImageProfile(image,name);
|
||
if (profile != (StringInfo *) NULL)
|
||
{
|
||
(void) FormatLocaleString(buffer,MagickPathExtent,"profile=%s\n",
|
||
name);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
name=GetNextImageProfile(image);
|
||
}
|
||
}
|
||
if (image->montage != (char *) NULL)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"montage=%s\n",
|
||
image->montage);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
ResetImagePropertyIterator(image);
|
||
property=GetNextImageProperty(image);
|
||
while (property != (const char *) NULL)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%s=",property);
|
||
(void) WriteBlobString(image,buffer);
|
||
value=GetImageProperty(image,property);
|
||
if (value != (const char *) NULL)
|
||
{
|
||
size_t
|
||
length;
|
||
|
||
length=strlen(value);
|
||
for (i=0; i < (ssize_t) length; i++)
|
||
if (isspace((int) ((unsigned char) value[i])) != 0)
|
||
break;
|
||
if ((i == (ssize_t) length) && (i != 0))
|
||
(void) WriteBlob(image,length,(const unsigned char *) value);
|
||
else
|
||
{
|
||
(void) WriteBlobByte(image,'{');
|
||
if (strchr(value,'}') == (char *) NULL)
|
||
(void) WriteBlob(image,length,(const unsigned char *) value);
|
||
else
|
||
for (i=0; i < (ssize_t) length; i++)
|
||
{
|
||
if (value[i] == (int) '}')
|
||
(void) WriteBlobByte(image,'\\');
|
||
(void) WriteBlobByte(image,(unsigned char) value[i]);
|
||
}
|
||
(void) WriteBlobByte(image,'}');
|
||
}
|
||
}
|
||
(void) WriteBlobByte(image,'\n');
|
||
property=GetNextImageProperty(image);
|
||
}
|
||
(void) WriteBlobString(image,"\f\n:\032");
|
||
if (image->montage != (char *) NULL)
|
||
{
|
||
/*
|
||
Write montage tile directory.
|
||
*/
|
||
if (image->directory != (char *) NULL)
|
||
(void) WriteBlobString(image,image->directory);
|
||
(void) WriteBlobByte(image,'\0');
|
||
}
|
||
if (image->profiles != 0)
|
||
{
|
||
const char
|
||
*name;
|
||
|
||
const StringInfo
|
||
*profile;
|
||
|
||
/*
|
||
Write image profile blob.
|
||
*/
|
||
ResetImageProfileIterator(image);
|
||
name=GetNextImageProfile(image);
|
||
while (name != (const char *) NULL)
|
||
{
|
||
profile=GetImageProfile(image,name);
|
||
(void) WriteBlobMSBLong(image,(unsigned int)
|
||
GetStringInfoLength(profile));
|
||
(void) WriteBlob(image,GetStringInfoLength(profile),
|
||
GetStringInfoDatum(profile));
|
||
name=GetNextImageProfile(image);
|
||
}
|
||
}
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
size_t
|
||
packet_size;
|
||
|
||
unsigned char
|
||
*colormap,
|
||
*q;
|
||
|
||
/*
|
||
Allocate colormap.
|
||
*/
|
||
packet_size=(size_t) (3UL*depth/8UL);
|
||
colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
|
||
packet_size*sizeof(*colormap));
|
||
if (colormap == (unsigned char *) NULL)
|
||
return(MagickFalse);
|
||
/*
|
||
Write colormap to file.
|
||
*/
|
||
q=colormap;
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
{
|
||
switch (depth)
|
||
{
|
||
default:
|
||
{
|
||
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
|
||
ThrowWriterException(CorruptImageError,"ImageDepthNotSupported");
|
||
}
|
||
case 32:
|
||
{
|
||
unsigned int
|
||
pixel;
|
||
|
||
pixel=ScaleQuantumToLong(image->colormap[i].red);
|
||
q=PopLongPixel(MSBEndian,pixel,q);
|
||
pixel=ScaleQuantumToLong(image->colormap[i].green);
|
||
q=PopLongPixel(MSBEndian,pixel,q);
|
||
pixel=ScaleQuantumToLong(image->colormap[i].blue);
|
||
q=PopLongPixel(MSBEndian,pixel,q);
|
||
break;
|
||
}
|
||
case 16:
|
||
{
|
||
unsigned short
|
||
pixel;
|
||
|
||
pixel=ScaleQuantumToShort(image->colormap[i].red);
|
||
q=PopShortPixel(MSBEndian,pixel,q);
|
||
pixel=ScaleQuantumToShort(image->colormap[i].green);
|
||
q=PopShortPixel(MSBEndian,pixel,q);
|
||
pixel=ScaleQuantumToShort(image->colormap[i].blue);
|
||
q=PopShortPixel(MSBEndian,pixel,q);
|
||
break;
|
||
}
|
||
case 8:
|
||
{
|
||
unsigned char
|
||
pixel;
|
||
|
||
pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red);
|
||
q=PopCharPixel(pixel,q);
|
||
pixel=(unsigned char) ScaleQuantumToChar(
|
||
image->colormap[i].green);
|
||
q=PopCharPixel(pixel,q);
|
||
pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue);
|
||
q=PopCharPixel(pixel,q);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
(void) WriteBlob(image,packet_size*image->colors,colormap);
|
||
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
|
||
}
|
||
/*
|
||
Initialize persistent pixel cache.
|
||
*/
|
||
status=PersistPixelCache(image,cache_filename,MagickFalse,&offset,
|
||
&image->exception);
|
||
if (status == MagickFalse)
|
||
ThrowWriterException(CacheError,"UnableToPersistPixelCache");
|
||
if (GetNextImageInList(image) == (Image *) NULL)
|
||
break;
|
||
image=SyncNextImageInList(image);
|
||
if (image->progress_monitor != (MagickProgressMonitor) NULL)
|
||
{
|
||
status=image->progress_monitor(SaveImagesTag,scene,imageListLength,
|
||
image->client_data);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
scene++;
|
||
} while (image_info->adjoin != MagickFalse);
|
||
(void) CloseBlob(image);
|
||
return(status);
|
||
}
|