2982 lines
92 KiB
C
2982 lines
92 KiB
C
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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||
% %
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% PPPP SSSSS DDDD %
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% P P SS D D %
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% PPPP SSS D D %
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% P SS D D %
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% P SSSSS DDDD %
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% %
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% %
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% Read/Write Adobe Photoshop Image Format %
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% %
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% Software Design %
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% Cristy %
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% Leonard Rosenthol %
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% July 1992 %
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% Dirk Lemstra %
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% December 2013 %
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% %
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% %
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% Copyright 1999-2016 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 "MagickCore/studio.h"
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#include "MagickCore/artifact.h"
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#include "MagickCore/attribute.h"
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#include "MagickCore/blob.h"
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#include "MagickCore/blob-private.h"
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#include "MagickCore/cache.h"
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#include "MagickCore/channel.h"
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#include "MagickCore/colormap.h"
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#include "MagickCore/colormap-private.h"
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#include "MagickCore/colorspace.h"
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||
#include "MagickCore/colorspace-private.h"
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||
#include "MagickCore/constitute.h"
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||
#include "MagickCore/enhance.h"
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||
#include "MagickCore/exception.h"
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||
#include "MagickCore/exception-private.h"
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||
#include "MagickCore/image.h"
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||
#include "MagickCore/image-private.h"
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||
#include "MagickCore/list.h"
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#include "MagickCore/log.h"
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#include "MagickCore/magick.h"
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#include "MagickCore/memory_.h"
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#include "MagickCore/module.h"
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||
#include "MagickCore/monitor-private.h"
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||
#include "MagickCore/option.h"
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||
#include "MagickCore/pixel.h"
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#include "MagickCore/pixel-accessor.h"
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#include "MagickCore/profile.h"
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#include "MagickCore/property.h"
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||
#include "MagickCore/quantum-private.h"
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#include "MagickCore/static.h"
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#include "MagickCore/string_.h"
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#include "MagickCore/thread-private.h"
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#ifdef MAGICKCORE_ZLIB_DELEGATE
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#include <zlib.h>
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#endif
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#include "psd-private.h"
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/*
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Define declaractions.
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*/
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#define MaxPSDChannels 56
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#define PSDQuantum(x) (((ssize_t) (x)+1) & -2)
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/*
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Enumerated declaractions.
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*/
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typedef enum
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{
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Raw = 0,
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RLE = 1,
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ZipWithoutPrediction = 2,
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ZipWithPrediction = 3
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} PSDCompressionType;
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typedef enum
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{
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BitmapMode = 0,
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GrayscaleMode = 1,
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IndexedMode = 2,
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RGBMode = 3,
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CMYKMode = 4,
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MultichannelMode = 7,
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DuotoneMode = 8,
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LabMode = 9
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} PSDImageType;
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||
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/*
|
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Typedef declaractions.
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||
*/
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typedef struct _ChannelInfo
|
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{
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short int
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type;
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size_t
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size;
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} ChannelInfo;
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typedef struct _MaskInfo
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{
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Image
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*image;
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RectangleInfo
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page;
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unsigned char
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background,
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flags;
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} MaskInfo;
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typedef struct _LayerInfo
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||
{
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ChannelInfo
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channel_info[MaxPSDChannels];
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char
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blendkey[4];
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||
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Image
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||
*image;
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||
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MaskInfo
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mask;
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||
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Quantum
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opacity;
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||
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RectangleInfo
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page;
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||
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size_t
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offset_x,
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offset_y;
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unsigned char
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clipping,
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flags,
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name[256],
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visible;
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unsigned short
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channels;
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} LayerInfo;
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/*
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Forward declarations.
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*/
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static MagickBooleanType
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WritePSDImage(const ImageInfo *,Image *,ExceptionInfo *);
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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 P S D %
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||
% %
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% %
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||
% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% IsPSD()() returns MagickTrue if the image format type, identified by the
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% magick string, is PSD.
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%
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% The format of the IsPSD method is:
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%
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% MagickBooleanType IsPSD(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 IsPSD(const unsigned char *magick,const size_t length)
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{
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if (length < 4)
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return(MagickFalse);
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if (LocaleNCompare((const char *) magick,"8BPS",4) == 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 P S D 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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% ReadPSDImage() reads an Adobe Photoshop 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 ReadPSDImage method is:
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||
%
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% Image *ReadPSDImage(image_info,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 const char *CompositeOperatorToPSDBlendMode(CompositeOperator op)
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{
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const char
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*blend_mode;
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||
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switch (op)
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{
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case ColorBurnCompositeOp: blend_mode = "idiv"; break;
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case ColorDodgeCompositeOp: blend_mode = "div "; break;
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||
case ColorizeCompositeOp: blend_mode = "colr"; break;
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case DarkenCompositeOp: blend_mode = "dark"; break;
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case DifferenceCompositeOp: blend_mode = "diff"; break;
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case DissolveCompositeOp: blend_mode = "diss"; break;
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case ExclusionCompositeOp: blend_mode = "smud"; break;
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case HardLightCompositeOp: blend_mode = "hLit"; break;
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case HardMixCompositeOp: blend_mode = "hMix"; break;
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case HueCompositeOp: blend_mode = "hue "; break;
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||
case LightenCompositeOp: blend_mode = "lite"; break;
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||
case LinearBurnCompositeOp: blend_mode = "lbrn"; break;
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||
case LinearDodgeCompositeOp:blend_mode = "lddg"; break;
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||
case LinearLightCompositeOp:blend_mode = "lLit"; break;
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||
case LuminizeCompositeOp: blend_mode = "lum "; break;
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case MultiplyCompositeOp: blend_mode = "mul "; break;
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case OverCompositeOp: blend_mode = "norm"; break;
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case OverlayCompositeOp: blend_mode = "over"; break;
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case PinLightCompositeOp: blend_mode = "pLit"; break;
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case SaturateCompositeOp: blend_mode = "sat "; break;
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case ScreenCompositeOp: blend_mode = "scrn"; break;
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case SoftLightCompositeOp: blend_mode = "sLit"; break;
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case VividLightCompositeOp: blend_mode = "vLit"; break;
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default: blend_mode = "norm";
|
||
}
|
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return(blend_mode);
|
||
}
|
||
|
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/*
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For some reason Photoshop seems to blend semi-transparent pixels with white.
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This method reverts the blending. This can be disabled by setting the
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option 'psd:alpha-unblend' to off.
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||
*/
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static MagickBooleanType CorrectPSDAlphaBlend(const ImageInfo *image_info,
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Image *image,ExceptionInfo* exception)
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{
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||
const char
|
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*option;
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||
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MagickBooleanType
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||
status;
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||
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ssize_t
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y;
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||
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if (image->alpha_trait != BlendPixelTrait || image->colorspace != sRGBColorspace)
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return(MagickTrue);
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option=GetImageOption(image_info,"psd:alpha-unblend");
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if (IsStringFalse(option) != MagickFalse)
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return(MagickTrue);
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status=MagickTrue;
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#if defined(MAGICKCORE_OPENMP_SUPPORT)
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#pragma omp parallel for schedule(static,4) shared(status) \
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magick_threads(image,image,image->rows,1)
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#endif
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for (y=0; y < (ssize_t) image->rows; y++)
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||
{
|
||
register Quantum
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||
*magick_restrict q;
|
||
|
||
register ssize_t
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x;
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||
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if (status == MagickFalse)
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continue;
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q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (Quantum *) NULL)
|
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{
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||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
double
|
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gamma;
|
||
|
||
register ssize_t
|
||
i;
|
||
|
||
gamma=QuantumScale*GetPixelAlpha(image, q);
|
||
if (gamma != 0.0 && gamma != 1.0)
|
||
{
|
||
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
|
||
{
|
||
PixelChannel channel=GetPixelChannelChannel(image,i);
|
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if (channel != AlphaPixelChannel)
|
||
q[i]=ClampToQuantum((q[i]-((1.0-gamma)*QuantumRange))/gamma);
|
||
}
|
||
}
|
||
q+=GetPixelChannels(image);
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
status=MagickFalse;
|
||
}
|
||
|
||
return(status);
|
||
}
|
||
|
||
static inline CompressionType ConvertPSDCompression(
|
||
PSDCompressionType compression)
|
||
{
|
||
switch (compression)
|
||
{
|
||
case RLE:
|
||
return RLECompression;
|
||
case ZipWithPrediction:
|
||
case ZipWithoutPrediction:
|
||
return ZipCompression;
|
||
default:
|
||
return NoCompression;
|
||
}
|
||
}
|
||
|
||
static MagickBooleanType CorrectPSDOpacity(LayerInfo *layer_info,
|
||
ExceptionInfo *exception)
|
||
{
|
||
MagickBooleanType
|
||
status;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
if (layer_info->opacity == OpaqueAlpha)
|
||
return(MagickTrue);
|
||
|
||
layer_info->image->alpha_trait=BlendPixelTrait;
|
||
status=MagickTrue;
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static,4) shared(status) \
|
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magick_threads(layer_info->image,layer_info->image,layer_info->image->rows,1)
|
||
#endif
|
||
for (y=0; y < (ssize_t) layer_info->image->rows; y++)
|
||
{
|
||
register Quantum
|
||
*magick_restrict q;
|
||
|
||
register ssize_t
|
||
x;
|
||
|
||
if (status == MagickFalse)
|
||
continue;
|
||
q=GetAuthenticPixels(layer_info->image,0,y,layer_info->image->columns,1,
|
||
exception);
|
||
if (q == (Quantum *)NULL)
|
||
{
|
||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
for (x=0; x < (ssize_t) layer_info->image->columns; x++)
|
||
{
|
||
SetPixelAlpha(layer_info->image,(Quantum) (QuantumScale*(GetPixelAlpha(
|
||
layer_info->image,q))*layer_info->opacity),q);
|
||
q+=GetPixelChannels(layer_info->image);
|
||
}
|
||
if (SyncAuthenticPixels(layer_info->image,exception) == MagickFalse)
|
||
status=MagickFalse;
|
||
}
|
||
|
||
return(status);
|
||
}
|
||
|
||
static ssize_t DecodePSDPixels(const size_t number_compact_pixels,
|
||
const unsigned char *compact_pixels,const ssize_t depth,
|
||
const size_t number_pixels,unsigned char *pixels)
|
||
{
|
||
#define CheckNumberCompactPixels \
|
||
if (packets == 0) \
|
||
return(i); \
|
||
packets--
|
||
|
||
#define CheckNumberPixels(count) \
|
||
if (((ssize_t) i + count) > (ssize_t) number_pixels) \
|
||
return(i); \
|
||
i+=count
|
||
|
||
int
|
||
pixel;
|
||
|
||
register ssize_t
|
||
i,
|
||
j;
|
||
|
||
size_t
|
||
length;
|
||
|
||
ssize_t
|
||
packets;
|
||
|
||
packets=(ssize_t) number_compact_pixels;
|
||
for (i=0; (packets > 1) && (i < (ssize_t) number_pixels); )
|
||
{
|
||
packets--;
|
||
length=(size_t) (*compact_pixels++);
|
||
if (length == 128)
|
||
continue;
|
||
if (length > 128)
|
||
{
|
||
length=256-length+1;
|
||
CheckNumberCompactPixels;
|
||
pixel=(*compact_pixels++);
|
||
for (j=0; j < (ssize_t) length; j++)
|
||
{
|
||
switch (depth)
|
||
{
|
||
case 1:
|
||
{
|
||
CheckNumberPixels(8);
|
||
*pixels++=(pixel >> 7) & 0x01 ? 0U : 255U;
|
||
*pixels++=(pixel >> 6) & 0x01 ? 0U : 255U;
|
||
*pixels++=(pixel >> 5) & 0x01 ? 0U : 255U;
|
||
*pixels++=(pixel >> 4) & 0x01 ? 0U : 255U;
|
||
*pixels++=(pixel >> 3) & 0x01 ? 0U : 255U;
|
||
*pixels++=(pixel >> 2) & 0x01 ? 0U : 255U;
|
||
*pixels++=(pixel >> 1) & 0x01 ? 0U : 255U;
|
||
*pixels++=(pixel >> 0) & 0x01 ? 0U : 255U;
|
||
break;
|
||
}
|
||
case 2:
|
||
{
|
||
CheckNumberPixels(4);
|
||
*pixels++=(unsigned char) ((pixel >> 6) & 0x03);
|
||
*pixels++=(unsigned char) ((pixel >> 4) & 0x03);
|
||
*pixels++=(unsigned char) ((pixel >> 2) & 0x03);
|
||
*pixels++=(unsigned char) ((pixel & 0x03) & 0x03);
|
||
break;
|
||
}
|
||
case 4:
|
||
{
|
||
CheckNumberPixels(2);
|
||
*pixels++=(unsigned char) ((pixel >> 4) & 0xff);
|
||
*pixels++=(unsigned char) ((pixel & 0x0f) & 0xff);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
CheckNumberPixels(1);
|
||
*pixels++=(unsigned char) pixel;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
continue;
|
||
}
|
||
length++;
|
||
for (j=0; j < (ssize_t) length; j++)
|
||
{
|
||
CheckNumberCompactPixels;
|
||
switch (depth)
|
||
{
|
||
case 1:
|
||
{
|
||
CheckNumberPixels(8);
|
||
*pixels++=(*compact_pixels >> 7) & 0x01 ? 0U : 255U;
|
||
*pixels++=(*compact_pixels >> 6) & 0x01 ? 0U : 255U;
|
||
*pixels++=(*compact_pixels >> 5) & 0x01 ? 0U : 255U;
|
||
*pixels++=(*compact_pixels >> 4) & 0x01 ? 0U : 255U;
|
||
*pixels++=(*compact_pixels >> 3) & 0x01 ? 0U : 255U;
|
||
*pixels++=(*compact_pixels >> 2) & 0x01 ? 0U : 255U;
|
||
*pixels++=(*compact_pixels >> 1) & 0x01 ? 0U : 255U;
|
||
*pixels++=(*compact_pixels >> 0) & 0x01 ? 0U : 255U;
|
||
break;
|
||
}
|
||
case 2:
|
||
{
|
||
CheckNumberPixels(4);
|
||
*pixels++=(*compact_pixels >> 6) & 0x03;
|
||
*pixels++=(*compact_pixels >> 4) & 0x03;
|
||
*pixels++=(*compact_pixels >> 2) & 0x03;
|
||
*pixels++=(*compact_pixels & 0x03) & 0x03;
|
||
break;
|
||
}
|
||
case 4:
|
||
{
|
||
CheckNumberPixels(2);
|
||
*pixels++=(*compact_pixels >> 4) & 0xff;
|
||
*pixels++=(*compact_pixels & 0x0f) & 0xff;
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
CheckNumberPixels(1);
|
||
*pixels++=(*compact_pixels);
|
||
break;
|
||
}
|
||
}
|
||
compact_pixels++;
|
||
}
|
||
}
|
||
return(i);
|
||
}
|
||
|
||
static inline LayerInfo *DestroyLayerInfo(LayerInfo *layer_info,
|
||
const ssize_t number_layers)
|
||
{
|
||
ssize_t
|
||
i;
|
||
|
||
for (i=0; i<number_layers; i++)
|
||
{
|
||
if (layer_info[i].image != (Image *) NULL)
|
||
layer_info[i].image=DestroyImage(layer_info[i].image);
|
||
if (layer_info[i].mask.image != (Image *) NULL)
|
||
layer_info[i].mask.image=DestroyImage(layer_info[i].mask.image);
|
||
}
|
||
|
||
return (LayerInfo *) RelinquishMagickMemory(layer_info);
|
||
}
|
||
|
||
static inline size_t GetPSDPacketSize(Image *image)
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
if (image->colors > 256)
|
||
return(2);
|
||
else if (image->depth > 8)
|
||
return(2);
|
||
}
|
||
else
|
||
if (image->depth > 8)
|
||
return(2);
|
||
|
||
return(1);
|
||
}
|
||
|
||
static inline MagickSizeType GetPSDSize(const PSDInfo *psd_info,Image *image)
|
||
{
|
||
if (psd_info->version == 1)
|
||
return((MagickSizeType) ReadBlobLong(image));
|
||
return((MagickSizeType) ReadBlobLongLong(image));
|
||
}
|
||
|
||
static inline size_t GetPSDRowSize(Image *image)
|
||
{
|
||
if (image->depth == 1)
|
||
return(((image->columns+7)/8)*GetPSDPacketSize(image));
|
||
else
|
||
return(image->columns*GetPSDPacketSize(image));
|
||
}
|
||
|
||
static const char *ModeToString(PSDImageType type)
|
||
{
|
||
switch (type)
|
||
{
|
||
case BitmapMode: return "Bitmap";
|
||
case GrayscaleMode: return "Grayscale";
|
||
case IndexedMode: return "Indexed";
|
||
case RGBMode: return "RGB";
|
||
case CMYKMode: return "CMYK";
|
||
case MultichannelMode: return "Multichannel";
|
||
case DuotoneMode: return "Duotone";
|
||
case LabMode: return "L*A*B";
|
||
default: return "unknown";
|
||
}
|
||
}
|
||
|
||
static MagickBooleanType NegateCMYK(Image *image,ExceptionInfo *exception)
|
||
{
|
||
ChannelType
|
||
channel_mask;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
channel_mask=SetImageChannelMask(image,(ChannelType)(AllChannels &~
|
||
AlphaChannel));
|
||
status=NegateImage(image,MagickFalse,exception);
|
||
(void) SetImageChannelMask(image,channel_mask);
|
||
return(status);
|
||
}
|
||
|
||
static void ParseImageResourceBlocks(Image *image,
|
||
const unsigned char *blocks,size_t length,
|
||
MagickBooleanType *has_merged_image,ExceptionInfo *exception)
|
||
{
|
||
const unsigned char
|
||
*p;
|
||
|
||
StringInfo
|
||
*profile;
|
||
|
||
unsigned int
|
||
count,
|
||
long_sans;
|
||
|
||
unsigned short
|
||
id,
|
||
short_sans;
|
||
|
||
if (length < 16)
|
||
return;
|
||
profile=BlobToStringInfo((const unsigned char *) NULL,length);
|
||
SetStringInfoDatum(profile,blocks);
|
||
(void) SetImageProfile(image,"8bim",profile,exception);
|
||
profile=DestroyStringInfo(profile);
|
||
for (p=blocks; (p >= blocks) && (p < (blocks+length-16)); )
|
||
{
|
||
if (LocaleNCompare((const char *) p,"8BIM",4) != 0)
|
||
break;
|
||
p=PushLongPixel(MSBEndian,p,&long_sans);
|
||
p=PushShortPixel(MSBEndian,p,&id);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushLongPixel(MSBEndian,p,&count);
|
||
if ((p+count) > (blocks+length-16))
|
||
return;
|
||
switch (id)
|
||
{
|
||
case 0x03ed:
|
||
{
|
||
char
|
||
value[MagickPathExtent];
|
||
|
||
unsigned short
|
||
resolution;
|
||
|
||
/*
|
||
Resolution info.
|
||
*/
|
||
p=PushShortPixel(MSBEndian,p,&resolution);
|
||
image->resolution.x=(double) resolution;
|
||
(void) FormatLocaleString(value,MagickPathExtent,"%g",image->resolution.x);
|
||
(void) SetImageProperty(image,"tiff:XResolution",value,exception);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&resolution);
|
||
image->resolution.y=(double) resolution;
|
||
(void) FormatLocaleString(value,MagickPathExtent,"%g",image->resolution.y);
|
||
(void) SetImageProperty(image,"tiff:YResolution",value,exception);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
image->units=PixelsPerInchResolution;
|
||
break;
|
||
}
|
||
case 0x0421:
|
||
{
|
||
if (*(p+4) == 0)
|
||
*has_merged_image=MagickFalse;
|
||
p+=count;
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
p+=count;
|
||
break;
|
||
}
|
||
}
|
||
if ((count & 0x01) != 0)
|
||
p++;
|
||
}
|
||
return;
|
||
}
|
||
|
||
static CompositeOperator PSDBlendModeToCompositeOperator(const char *mode)
|
||
{
|
||
if (mode == (const char *) NULL)
|
||
return(OverCompositeOp);
|
||
if (LocaleNCompare(mode,"norm",4) == 0)
|
||
return(OverCompositeOp);
|
||
if (LocaleNCompare(mode,"mul ",4) == 0)
|
||
return(MultiplyCompositeOp);
|
||
if (LocaleNCompare(mode,"diss",4) == 0)
|
||
return(DissolveCompositeOp);
|
||
if (LocaleNCompare(mode,"diff",4) == 0)
|
||
return(DifferenceCompositeOp);
|
||
if (LocaleNCompare(mode,"dark",4) == 0)
|
||
return(DarkenCompositeOp);
|
||
if (LocaleNCompare(mode,"lite",4) == 0)
|
||
return(LightenCompositeOp);
|
||
if (LocaleNCompare(mode,"hue ",4) == 0)
|
||
return(HueCompositeOp);
|
||
if (LocaleNCompare(mode,"sat ",4) == 0)
|
||
return(SaturateCompositeOp);
|
||
if (LocaleNCompare(mode,"colr",4) == 0)
|
||
return(ColorizeCompositeOp);
|
||
if (LocaleNCompare(mode,"lum ",4) == 0)
|
||
return(LuminizeCompositeOp);
|
||
if (LocaleNCompare(mode,"scrn",4) == 0)
|
||
return(ScreenCompositeOp);
|
||
if (LocaleNCompare(mode,"over",4) == 0)
|
||
return(OverlayCompositeOp);
|
||
if (LocaleNCompare(mode,"hLit",4) == 0)
|
||
return(HardLightCompositeOp);
|
||
if (LocaleNCompare(mode,"sLit",4) == 0)
|
||
return(SoftLightCompositeOp);
|
||
if (LocaleNCompare(mode,"smud",4) == 0)
|
||
return(ExclusionCompositeOp);
|
||
if (LocaleNCompare(mode,"div ",4) == 0)
|
||
return(ColorDodgeCompositeOp);
|
||
if (LocaleNCompare(mode,"idiv",4) == 0)
|
||
return(ColorBurnCompositeOp);
|
||
if (LocaleNCompare(mode,"lbrn",4) == 0)
|
||
return(LinearBurnCompositeOp);
|
||
if (LocaleNCompare(mode,"lddg",4) == 0)
|
||
return(LinearDodgeCompositeOp);
|
||
if (LocaleNCompare(mode,"lLit",4) == 0)
|
||
return(LinearLightCompositeOp);
|
||
if (LocaleNCompare(mode,"vLit",4) == 0)
|
||
return(VividLightCompositeOp);
|
||
if (LocaleNCompare(mode,"pLit",4) == 0)
|
||
return(PinLightCompositeOp);
|
||
if (LocaleNCompare(mode,"hMix",4) == 0)
|
||
return(HardMixCompositeOp);
|
||
return(OverCompositeOp);
|
||
}
|
||
|
||
static inline void ReversePSDString(Image *image,char *p,size_t length)
|
||
{
|
||
char
|
||
*q;
|
||
|
||
if (image->endian == MSBEndian)
|
||
return;
|
||
|
||
q=p+length;
|
||
for(--q; p < q; ++p, --q)
|
||
{
|
||
*p = *p ^ *q,
|
||
*q = *p ^ *q,
|
||
*p = *p ^ *q;
|
||
}
|
||
}
|
||
|
||
static inline void SetPSDPixel(Image *image,const size_t channels,
|
||
const ssize_t type,const size_t packet_size,const Quantum pixel,Quantum *q,
|
||
ExceptionInfo *exception)
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
if (packet_size == 1)
|
||
SetPixelIndex(image,ScaleQuantumToChar(pixel),q);
|
||
else
|
||
SetPixelIndex(image,ScaleQuantumToShort(pixel),q);
|
||
SetPixelViaPixelInfo(image,image->colormap+(ssize_t)
|
||
ConstrainColormapIndex(image,GetPixelIndex(image,q),exception),q);
|
||
return;
|
||
}
|
||
switch (type)
|
||
{
|
||
case -1:
|
||
{
|
||
SetPixelAlpha(image, pixel,q);
|
||
break;
|
||
}
|
||
case -2:
|
||
case 0:
|
||
{
|
||
SetPixelRed(image,pixel,q);
|
||
if (channels == 1 || type == -2)
|
||
SetPixelGray(image,pixel,q);
|
||
break;
|
||
}
|
||
case 1:
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
SetPixelAlpha(image,pixel,q);
|
||
else
|
||
SetPixelGreen(image,pixel,q);
|
||
break;
|
||
}
|
||
case 2:
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
SetPixelAlpha(image,pixel,q);
|
||
else
|
||
SetPixelBlue(image,pixel,q);
|
||
break;
|
||
}
|
||
case 3:
|
||
{
|
||
if (image->colorspace == CMYKColorspace)
|
||
SetPixelBlack(image,pixel,q);
|
||
else
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
SetPixelAlpha(image,pixel,q);
|
||
break;
|
||
}
|
||
case 4:
|
||
{
|
||
if ((IssRGBCompatibleColorspace(image->colorspace) != MagickFalse) &&
|
||
(channels > 3))
|
||
break;
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
SetPixelAlpha(image,pixel,q);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDChannelPixels(Image *image,
|
||
const size_t channels,const size_t row,const ssize_t type,
|
||
const unsigned char *pixels,ExceptionInfo *exception)
|
||
{
|
||
Quantum
|
||
pixel;
|
||
|
||
register const unsigned char
|
||
*p;
|
||
|
||
register Quantum
|
||
*q;
|
||
|
||
register ssize_t
|
||
x;
|
||
|
||
size_t
|
||
packet_size;
|
||
|
||
unsigned short
|
||
nibble;
|
||
|
||
p=pixels;
|
||
q=GetAuthenticPixels(image,0,row,image->columns,1,exception);
|
||
if (q == (Quantum *) NULL)
|
||
return MagickFalse;
|
||
packet_size=GetPSDPacketSize(image);
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (packet_size == 1)
|
||
pixel=ScaleCharToQuantum(*p++);
|
||
else
|
||
{
|
||
p=PushShortPixel(MSBEndian,p,&nibble);
|
||
pixel=ScaleShortToQuantum(nibble);
|
||
}
|
||
if (image->depth > 1)
|
||
{
|
||
SetPSDPixel(image,channels,type,packet_size,pixel,q,exception);
|
||
q+=GetPixelChannels(image);
|
||
}
|
||
else
|
||
{
|
||
ssize_t
|
||
bit,
|
||
number_bits;
|
||
|
||
number_bits=image->columns-x;
|
||
if (number_bits > 8)
|
||
number_bits=8;
|
||
for (bit = 0; bit < number_bits; bit++)
|
||
{
|
||
SetPSDPixel(image,channels,type,packet_size,(((unsigned char) pixel)
|
||
& (0x01 << (7-bit))) != 0 ? 0 : QuantumRange,q,exception);
|
||
q+=GetPixelChannels(image);
|
||
x++;
|
||
}
|
||
if (x != (ssize_t) image->columns)
|
||
x--;
|
||
continue;
|
||
}
|
||
}
|
||
return(SyncAuthenticPixels(image,exception));
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDChannelRaw(Image *image,const size_t channels,
|
||
const ssize_t type,ExceptionInfo *exception)
|
||
{
|
||
MagickBooleanType
|
||
status;
|
||
|
||
size_t
|
||
count,
|
||
row_size;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
unsigned char
|
||
*pixels;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer data is RAW");
|
||
|
||
row_size=GetPSDRowSize(image);
|
||
pixels=(unsigned char *) AcquireQuantumMemory(row_size,sizeof(*pixels));
|
||
if (pixels == (unsigned char *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
|
||
status=MagickTrue;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
status=MagickFalse;
|
||
|
||
count=ReadBlob(image,row_size,pixels);
|
||
if (count != row_size)
|
||
break;
|
||
|
||
status=ReadPSDChannelPixels(image,channels,y,type,pixels,exception);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
return(status);
|
||
}
|
||
|
||
static inline MagickOffsetType *ReadPSDRLEOffsets(Image *image,
|
||
const PSDInfo *psd_info,const size_t size)
|
||
{
|
||
MagickOffsetType
|
||
*offsets;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
offsets=(MagickOffsetType *) AcquireQuantumMemory(size,sizeof(*offsets));
|
||
if(offsets != (MagickOffsetType *) NULL)
|
||
{
|
||
for (y=0; y < (ssize_t) size; y++)
|
||
{
|
||
if (psd_info->version == 1)
|
||
offsets[y]=(MagickOffsetType) ReadBlobShort(image);
|
||
else
|
||
offsets[y]=(MagickOffsetType) ReadBlobLong(image);
|
||
}
|
||
}
|
||
return offsets;
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDChannelRLE(Image *image,const PSDInfo *psd_info,
|
||
const ssize_t type,MagickOffsetType *offsets,ExceptionInfo *exception)
|
||
{
|
||
MagickBooleanType
|
||
status;
|
||
|
||
size_t
|
||
length,
|
||
row_size;
|
||
|
||
ssize_t
|
||
count,
|
||
y;
|
||
|
||
unsigned char
|
||
*compact_pixels,
|
||
*pixels;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer data is RLE compressed");
|
||
|
||
row_size=GetPSDRowSize(image);
|
||
pixels=(unsigned char *) AcquireQuantumMemory(row_size,sizeof(*pixels));
|
||
if (pixels == (unsigned char *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
|
||
length=0;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
if ((MagickOffsetType) length < offsets[y])
|
||
length=(size_t) offsets[y];
|
||
|
||
if (length > row_size + 256) // arbitrary number
|
||
{
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
ThrowBinaryException(ResourceLimitError,"InvalidLength",
|
||
image->filename);
|
||
}
|
||
|
||
compact_pixels=(unsigned char *) AcquireQuantumMemory(length,sizeof(*pixels));
|
||
if (compact_pixels == (unsigned char *) NULL)
|
||
{
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
}
|
||
|
||
(void) ResetMagickMemory(compact_pixels,0,length*sizeof(*compact_pixels));
|
||
|
||
status=MagickTrue;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
status=MagickFalse;
|
||
|
||
count=ReadBlob(image,(size_t) offsets[y],compact_pixels);
|
||
if (count != (ssize_t) offsets[y])
|
||
break;
|
||
|
||
count=DecodePSDPixels((size_t) offsets[y],compact_pixels,
|
||
(ssize_t) (image->depth == 1 ? 123456 : image->depth),row_size,pixels);
|
||
if (count != (ssize_t) row_size)
|
||
break;
|
||
|
||
status=ReadPSDChannelPixels(image,psd_info->channels,y,type,pixels,
|
||
exception);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
return(status);
|
||
}
|
||
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
static MagickBooleanType ReadPSDChannelZip(Image *image,const size_t channels,
|
||
const ssize_t type,const PSDCompressionType compression,
|
||
const size_t compact_size,ExceptionInfo *exception)
|
||
{
|
||
MagickBooleanType
|
||
status;
|
||
|
||
register unsigned char
|
||
*p;
|
||
|
||
size_t
|
||
count,
|
||
length,
|
||
packet_size,
|
||
row_size;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
unsigned char
|
||
*compact_pixels,
|
||
*pixels;
|
||
|
||
z_stream
|
||
stream;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer data is ZIP compressed");
|
||
|
||
compact_pixels=(unsigned char *) AcquireQuantumMemory(compact_size,
|
||
sizeof(*compact_pixels));
|
||
if (compact_pixels == (unsigned char *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
|
||
packet_size=GetPSDPacketSize(image);
|
||
row_size=image->columns*packet_size;
|
||
count=image->rows*row_size;
|
||
|
||
pixels=(unsigned char *) AcquireQuantumMemory(count,sizeof(*pixels));
|
||
if (pixels == (unsigned char *) NULL)
|
||
{
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
}
|
||
|
||
ResetMagickMemory(&stream, 0, sizeof(z_stream));
|
||
stream.data_type=Z_BINARY;
|
||
(void) ReadBlob(image,compact_size,compact_pixels);
|
||
|
||
stream.next_in=(Bytef *)compact_pixels;
|
||
stream.avail_in=(unsigned int) compact_size;
|
||
stream.next_out=(Bytef *)pixels;
|
||
stream.avail_out=(unsigned int) count;
|
||
|
||
if(inflateInit(&stream) == Z_OK)
|
||
{
|
||
int
|
||
ret;
|
||
|
||
while (stream.avail_out > 0)
|
||
{
|
||
ret=inflate(&stream, Z_SYNC_FLUSH);
|
||
if (ret != Z_OK && ret != Z_STREAM_END)
|
||
{
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(
|
||
compact_pixels);
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
return(MagickFalse);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (compression == ZipWithPrediction)
|
||
{
|
||
p=pixels;
|
||
while(count > 0)
|
||
{
|
||
length=image->columns;
|
||
while(--length)
|
||
{
|
||
if (packet_size == 2)
|
||
{
|
||
p[2]+=p[0]+((p[1]+p[3]) >> 8);
|
||
p[3]+=p[1];
|
||
}
|
||
else
|
||
*(p+1)+=*p;
|
||
p+=packet_size;
|
||
}
|
||
p+=packet_size;
|
||
count-=row_size;
|
||
}
|
||
}
|
||
|
||
status=MagickTrue;
|
||
p=pixels;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
status=ReadPSDChannelPixels(image,channels,y,type,p,exception);
|
||
if (status == MagickFalse)
|
||
break;
|
||
|
||
p+=row_size;
|
||
}
|
||
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
return(status);
|
||
}
|
||
#endif
|
||
|
||
static MagickBooleanType ReadPSDChannel(Image *image,const PSDInfo *psd_info,
|
||
LayerInfo* layer_info,const size_t channel,
|
||
const PSDCompressionType compression,ExceptionInfo *exception)
|
||
{
|
||
Image
|
||
*channel_image,
|
||
*mask;
|
||
|
||
MagickOffsetType
|
||
offset;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
channel_image=image;
|
||
mask=(Image *) NULL;
|
||
if (layer_info->channel_info[channel].type < -1)
|
||
{
|
||
/*
|
||
Ignore mask that is not a user supplied layer mask, if the mask is
|
||
disabled or if the flags have unsupported values.
|
||
*/
|
||
if (layer_info->channel_info[channel].type != -2 ||
|
||
(layer_info->mask.flags > 3) || (layer_info->mask.flags & 0x02))
|
||
{
|
||
SeekBlob(image,layer_info->channel_info[channel].size-2,SEEK_CUR);
|
||
return(MagickTrue);
|
||
}
|
||
mask=CloneImage(image,layer_info->mask.page.width,
|
||
layer_info->mask.page.height,MagickFalse,exception);
|
||
SetImageType(mask,GrayscaleType,exception);
|
||
channel_image=mask;
|
||
}
|
||
|
||
offset=TellBlob(image);
|
||
status=MagickTrue;
|
||
switch(compression)
|
||
{
|
||
case Raw:
|
||
status=ReadPSDChannelRaw(channel_image,psd_info->channels,
|
||
layer_info->channel_info[channel].type,exception);
|
||
break;
|
||
case RLE:
|
||
{
|
||
MagickOffsetType
|
||
*offsets;
|
||
|
||
offsets=ReadPSDRLEOffsets(channel_image,psd_info,channel_image->rows);
|
||
if (offsets == (MagickOffsetType *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
status=ReadPSDChannelRLE(channel_image,psd_info,
|
||
layer_info->channel_info[channel].type,offsets,exception);
|
||
offsets=(MagickOffsetType *) RelinquishMagickMemory(offsets);
|
||
}
|
||
break;
|
||
case ZipWithPrediction:
|
||
case ZipWithoutPrediction:
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
status=ReadPSDChannelZip(channel_image,layer_info->channels,
|
||
layer_info->channel_info[channel].type,compression,
|
||
layer_info->channel_info[channel].size-2,exception);
|
||
#else
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
MissingDelegateWarning,"DelegateLibrarySupportNotBuiltIn",
|
||
"'%s' (ZLIB)",image->filename);
|
||
#endif
|
||
break;
|
||
default:
|
||
(void) ThrowMagickException(exception,GetMagickModule(),TypeWarning,
|
||
"CompressionNotSupported","'%.20g'",(double) compression);
|
||
break;
|
||
}
|
||
|
||
SeekBlob(image,offset+layer_info->channel_info[channel].size-2,SEEK_SET);
|
||
if (status == MagickFalse)
|
||
{
|
||
if (mask != (Image *) NULL)
|
||
DestroyImage(mask);
|
||
ThrowBinaryException(CoderError,"UnableToDecompressImage",
|
||
image->filename);
|
||
}
|
||
if (mask != (Image *) NULL)
|
||
{
|
||
if (status != MagickFalse)
|
||
{
|
||
PixelInfo
|
||
color;
|
||
|
||
layer_info->mask.image=CloneImage(image,image->columns,image->rows,
|
||
MagickTrue,exception);
|
||
layer_info->mask.image->alpha_trait=UndefinedPixelTrait;
|
||
GetPixelInfo(layer_info->mask.image,&color);
|
||
color.red=layer_info->mask.background == 0 ? 0 : QuantumRange;
|
||
SetImageColor(layer_info->mask.image,&color,exception);
|
||
(void) CompositeImage(layer_info->mask.image,mask,OverCompositeOp,
|
||
MagickTrue,layer_info->mask.page.x,layer_info->mask.page.y,
|
||
exception);
|
||
}
|
||
DestroyImage(mask);
|
||
}
|
||
|
||
return(status);
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDLayer(Image *image,const PSDInfo *psd_info,
|
||
LayerInfo* layer_info,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
message[MagickPathExtent];
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
PSDCompressionType
|
||
compression;
|
||
|
||
ssize_t
|
||
j;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" setting up new layer image");
|
||
(void) SetImageBackgroundColor(layer_info->image,exception);
|
||
layer_info->image->compose=PSDBlendModeToCompositeOperator(
|
||
layer_info->blendkey);
|
||
if (layer_info->visible == MagickFalse)
|
||
layer_info->image->compose=NoCompositeOp;
|
||
if (psd_info->mode == CMYKMode)
|
||
SetImageColorspace(layer_info->image,CMYKColorspace,exception);
|
||
if ((psd_info->mode == BitmapMode) || (psd_info->mode == GrayscaleMode) ||
|
||
(psd_info->mode == DuotoneMode))
|
||
SetImageColorspace(layer_info->image,GRAYColorspace,exception);
|
||
/*
|
||
Set up some hidden attributes for folks that need them.
|
||
*/
|
||
(void) FormatLocaleString(message,MagickPathExtent,"%.20g",
|
||
(double) layer_info->page.x);
|
||
(void) SetImageArtifact(layer_info->image,"psd:layer.x",message);
|
||
(void) FormatLocaleString(message,MagickPathExtent,"%.20g",
|
||
(double) layer_info->page.y);
|
||
(void) SetImageArtifact(layer_info->image,"psd:layer.y",message);
|
||
(void) FormatLocaleString(message,MagickPathExtent,"%.20g",(double)
|
||
layer_info->opacity);
|
||
(void) SetImageArtifact(layer_info->image,"psd:layer.opacity",message);
|
||
(void) SetImageProperty(layer_info->image,"label",(char *) layer_info->name,
|
||
exception);
|
||
|
||
status=MagickTrue;
|
||
for (j=0; j < (ssize_t) layer_info->channels; j++)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading data for channel %.20g",(double) j);
|
||
|
||
compression=(PSDCompressionType) ReadBlobShort(layer_info->image);
|
||
layer_info->image->compression=ConvertPSDCompression(compression);
|
||
if (layer_info->channel_info[j].type == -1)
|
||
layer_info->image->alpha_trait=BlendPixelTrait;
|
||
|
||
status=ReadPSDChannel(layer_info->image,psd_info,layer_info,j,
|
||
compression,exception);
|
||
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
|
||
if (status != MagickFalse)
|
||
status=CorrectPSDOpacity(layer_info,exception);
|
||
|
||
if ((status != MagickFalse) &&
|
||
(layer_info->image->colorspace == CMYKColorspace))
|
||
status=NegateCMYK(layer_info->image,exception);
|
||
|
||
if ((status != MagickFalse) && (layer_info->mask.image != (Image *) NULL))
|
||
{
|
||
status=CompositeImage(layer_info->image,layer_info->mask.image,
|
||
CopyAlphaCompositeOp,MagickTrue,0,0,exception);
|
||
layer_info->mask.image=DestroyImage(layer_info->mask.image);
|
||
}
|
||
|
||
return(status);
|
||
}
|
||
|
||
ModuleExport MagickBooleanType ReadPSDLayers(Image *image,
|
||
const ImageInfo *image_info,const PSDInfo *psd_info,
|
||
const MagickBooleanType skip_layers,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
type[4];
|
||
|
||
LayerInfo
|
||
*layer_info;
|
||
|
||
MagickSizeType
|
||
size;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
register ssize_t
|
||
i;
|
||
|
||
ssize_t
|
||
count,
|
||
j,
|
||
number_layers;
|
||
|
||
size=GetPSDSize(psd_info,image);
|
||
if (size == 0)
|
||
{
|
||
/*
|
||
Skip layers & masks.
|
||
*/
|
||
(void) ReadBlobLong(image);
|
||
count=ReadBlob(image,4,(unsigned char *) type);
|
||
ReversePSDString(image,type,4);
|
||
status=MagickFalse;
|
||
if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0))
|
||
return(MagickTrue);
|
||
else
|
||
{
|
||
count=ReadBlob(image,4,(unsigned char *) type);
|
||
ReversePSDString(image,type,4);
|
||
if ((count != 0) && (LocaleNCompare(type,"Lr16",4) == 0))
|
||
size=GetPSDSize(psd_info,image);
|
||
else
|
||
return(MagickTrue);
|
||
}
|
||
}
|
||
status=MagickTrue;
|
||
if (size != 0)
|
||
{
|
||
layer_info=(LayerInfo *) NULL;
|
||
number_layers=(short) ReadBlobShort(image);
|
||
|
||
if (number_layers < 0)
|
||
{
|
||
/*
|
||
The first alpha channel in the merged result contains the
|
||
transparency data for the merged result.
|
||
*/
|
||
number_layers=MagickAbsoluteValue(number_layers);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" negative layer count corrected for");
|
||
image->alpha_trait=BlendPixelTrait;
|
||
}
|
||
|
||
/*
|
||
We only need to know if the image has an alpha channel
|
||
*/
|
||
if (skip_layers != MagickFalse)
|
||
return(MagickTrue);
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" image contains %.20g layers",(double) number_layers);
|
||
|
||
if (number_layers == 0)
|
||
ThrowBinaryException(CorruptImageError,"InvalidNumberOfLayers",
|
||
image->filename);
|
||
|
||
layer_info=(LayerInfo *) AcquireQuantumMemory((size_t) number_layers,
|
||
sizeof(*layer_info));
|
||
if (layer_info == (LayerInfo *) NULL)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" allocation of LayerInfo failed");
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
}
|
||
(void) ResetMagickMemory(layer_info,0,(size_t) number_layers*
|
||
sizeof(*layer_info));
|
||
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
ssize_t
|
||
x,
|
||
y;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading layer #%.20g",(double) i+1);
|
||
layer_info[i].page.y=ReadBlobSignedLong(image);
|
||
layer_info[i].page.x=ReadBlobSignedLong(image);
|
||
y=ReadBlobSignedLong(image);
|
||
x=ReadBlobSignedLong(image);
|
||
layer_info[i].page.width=(size_t) (x-layer_info[i].page.x);
|
||
layer_info[i].page.height=(size_t) (y-layer_info[i].page.y);
|
||
layer_info[i].channels=ReadBlobShort(image);
|
||
if (layer_info[i].channels > MaxPSDChannels)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,"MaximumChannelsExceeded",
|
||
image->filename);
|
||
}
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" offset(%.20g,%.20g), size(%.20g,%.20g), channels=%.20g",
|
||
(double) layer_info[i].page.x,(double) layer_info[i].page.y,
|
||
(double) layer_info[i].page.height,(double)
|
||
layer_info[i].page.width,(double) layer_info[i].channels);
|
||
for (j=0; j < (ssize_t) layer_info[i].channels; j++)
|
||
{
|
||
layer_info[i].channel_info[j].type=(short) ReadBlobShort(image);
|
||
layer_info[i].channel_info[j].size=(size_t) GetPSDSize(psd_info,
|
||
image);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" channel[%.20g]: type=%.20g, size=%.20g",(double) j,
|
||
(double) layer_info[i].channel_info[j].type,
|
||
(double) layer_info[i].channel_info[j].size);
|
||
}
|
||
count=ReadBlob(image,4,(unsigned char *) type);
|
||
ReversePSDString(image,type,4);
|
||
if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0))
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer type was %.4s instead of 8BIM", type);
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,"ImproperImageHeader",
|
||
image->filename);
|
||
}
|
||
count=ReadBlob(image,4,(unsigned char *) layer_info[i].blendkey);
|
||
ReversePSDString(image,layer_info[i].blendkey,4);
|
||
layer_info[i].opacity=(Quantum) ScaleCharToQuantum((unsigned char)
|
||
ReadBlobByte(image));
|
||
layer_info[i].clipping=(unsigned char) ReadBlobByte(image);
|
||
layer_info[i].flags=(unsigned char) ReadBlobByte(image);
|
||
layer_info[i].visible=!(layer_info[i].flags & 0x02);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" blend=%.4s, opacity=%.20g, clipping=%s, flags=%d, visible=%s",
|
||
layer_info[i].blendkey,(double) layer_info[i].opacity,
|
||
layer_info[i].clipping ? "true" : "false",layer_info[i].flags,
|
||
layer_info[i].visible ? "true" : "false");
|
||
(void) ReadBlobByte(image); /* filler */
|
||
|
||
size=ReadBlobLong(image);
|
||
if (size != 0)
|
||
{
|
||
MagickSizeType
|
||
combined_length,
|
||
length;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer contains additional info");
|
||
length=ReadBlobLong(image);
|
||
combined_length=length+4;
|
||
if (length != 0)
|
||
{
|
||
/*
|
||
Layer mask info.
|
||
*/
|
||
layer_info[i].mask.page.y=ReadBlobSignedLong(image);
|
||
layer_info[i].mask.page.x=ReadBlobSignedLong(image);
|
||
layer_info[i].mask.page.height=(size_t) (ReadBlobLong(image)-
|
||
layer_info[i].mask.page.y);
|
||
layer_info[i].mask.page.width=(size_t) (ReadBlobLong(image)-
|
||
layer_info[i].mask.page.x);
|
||
layer_info[i].mask.background=(unsigned char) ReadBlobByte(
|
||
image);
|
||
layer_info[i].mask.flags=(unsigned char) ReadBlobByte(image);
|
||
if (!(layer_info[i].mask.flags & 0x01))
|
||
{
|
||
layer_info[i].mask.page.y=layer_info[i].mask.page.y-
|
||
layer_info[i].page.y;
|
||
layer_info[i].mask.page.x=layer_info[i].mask.page.x-
|
||
layer_info[i].page.x;
|
||
}
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer mask: offset(%.20g,%.20g), size(%.20g,%.20g), length=%.20g",
|
||
(double) layer_info[i].mask.page.x,(double)
|
||
layer_info[i].mask.page.y,(double) layer_info[i].mask.page.width,
|
||
(double) layer_info[i].mask.page.height,(double)
|
||
((MagickOffsetType) length)-18);
|
||
/*
|
||
Skip over the rest of the layer mask information.
|
||
*/
|
||
if (DiscardBlobBytes(image,(MagickSizeType) (length-18)) == MagickFalse)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,"UnexpectedEndOfFile",
|
||
image->filename);
|
||
}
|
||
}
|
||
length=ReadBlobLong(image);
|
||
combined_length+=length+4;
|
||
if (length != 0)
|
||
{
|
||
/*
|
||
Layer blending ranges info.
|
||
*/
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer blending ranges: length=%.20g",(double)
|
||
((MagickOffsetType) length));
|
||
/*
|
||
We read it, but don't use it...
|
||
*/
|
||
for (j=0; j < (ssize_t) (length); j+=8)
|
||
{
|
||
size_t blend_source=ReadBlobLong(image);
|
||
size_t blend_dest=ReadBlobLong(image);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" source(%x), dest(%x)",(unsigned int)
|
||
blend_source,(unsigned int) blend_dest);
|
||
}
|
||
}
|
||
/*
|
||
Layer name.
|
||
*/
|
||
length=(size_t) ReadBlobByte(image);
|
||
combined_length+=length+1;
|
||
if (length > 0)
|
||
(void) ReadBlob(image,(size_t) length++,layer_info[i].name);
|
||
layer_info[i].name[length]='\0';
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer name: %s",layer_info[i].name);
|
||
/*
|
||
Skip the rest of the variable data until we support it.
|
||
*/
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" unsupported data: length=%.20g",(double)
|
||
((MagickOffsetType) (size-combined_length)));
|
||
if (DiscardBlobBytes(image,(MagickSizeType) (size-combined_length)) == MagickFalse)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
}
|
||
}
|
||
}
|
||
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
if ((layer_info[i].page.width == 0) ||
|
||
(layer_info[i].page.height == 0))
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer data is empty");
|
||
continue;
|
||
}
|
||
|
||
/*
|
||
Allocate layered image.
|
||
*/
|
||
layer_info[i].image=CloneImage(image,layer_info[i].page.width,
|
||
layer_info[i].page.height,MagickFalse,exception);
|
||
if (layer_info[i].image == (Image *) NULL)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" allocation of image for layer %.20g failed",(double) i);
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
}
|
||
}
|
||
|
||
if (image_info->ping == MagickFalse)
|
||
{
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
if (layer_info[i].image == (Image *) NULL)
|
||
{
|
||
for (j=0; j < layer_info[i].channels; j++)
|
||
{
|
||
if (DiscardBlobBytes(image,(MagickSizeType)
|
||
layer_info[i].channel_info[j].size) == MagickFalse)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
}
|
||
}
|
||
continue;
|
||
}
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading data for layer %.20g",(double) i);
|
||
|
||
status=ReadPSDLayer(image,psd_info,&layer_info[i],exception);
|
||
if (status == MagickFalse)
|
||
break;
|
||
|
||
status=SetImageProgress(image,LoadImagesTag,i,(MagickSizeType)
|
||
number_layers);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (status != MagickFalse)
|
||
{
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
if (layer_info[i].image == (Image *) NULL)
|
||
{
|
||
for (j=i; j < number_layers - 1; j++)
|
||
layer_info[j] = layer_info[j+1];
|
||
number_layers--;
|
||
i--;
|
||
}
|
||
}
|
||
|
||
if (number_layers > 0)
|
||
{
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
if (i > 0)
|
||
layer_info[i].image->previous=layer_info[i-1].image;
|
||
if (i < (number_layers-1))
|
||
layer_info[i].image->next=layer_info[i+1].image;
|
||
layer_info[i].image->page=layer_info[i].page;
|
||
}
|
||
image->next=layer_info[0].image;
|
||
layer_info[0].image->previous=image;
|
||
}
|
||
layer_info=(LayerInfo *) RelinquishMagickMemory(layer_info);
|
||
}
|
||
else
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
}
|
||
|
||
return(status);
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDMergedImage(const ImageInfo *image_info,
|
||
Image *image,const PSDInfo *psd_info,ExceptionInfo *exception)
|
||
{
|
||
MagickOffsetType
|
||
*offsets;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
PSDCompressionType
|
||
compression;
|
||
|
||
register ssize_t
|
||
i;
|
||
|
||
compression=(PSDCompressionType) ReadBlobMSBShort(image);
|
||
image->compression=ConvertPSDCompression(compression);
|
||
|
||
if (compression != Raw && compression != RLE)
|
||
{
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
TypeWarning,"CompressionNotSupported","'%.20g'",(double) compression);
|
||
return(MagickFalse);
|
||
}
|
||
|
||
offsets=(MagickOffsetType *) NULL;
|
||
if (compression == RLE)
|
||
{
|
||
offsets=ReadPSDRLEOffsets(image,psd_info,image->rows*psd_info->channels);
|
||
if (offsets == (MagickOffsetType *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
}
|
||
|
||
status=MagickTrue;
|
||
for (i=0; i < (ssize_t) psd_info->channels; i++)
|
||
{
|
||
if (compression == RLE)
|
||
status=ReadPSDChannelRLE(image,psd_info,i,offsets+(i*image->rows),
|
||
exception);
|
||
else
|
||
status=ReadPSDChannelRaw(image,psd_info->channels,i,exception);
|
||
|
||
if (status != MagickFalse)
|
||
status=SetImageProgress(image,LoadImagesTag,i,psd_info->channels);
|
||
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
|
||
if ((status != MagickFalse) && (image->colorspace == CMYKColorspace))
|
||
status=NegateCMYK(image,exception);
|
||
|
||
if (status != MagickFalse)
|
||
status=CorrectPSDAlphaBlend(image_info,image,exception);
|
||
|
||
if (offsets != (MagickOffsetType *) NULL)
|
||
offsets=(MagickOffsetType *) RelinquishMagickMemory(offsets);
|
||
|
||
return(status);
|
||
}
|
||
|
||
static Image *ReadPSDImage(const ImageInfo *image_info,ExceptionInfo *exception)
|
||
{
|
||
Image
|
||
*image;
|
||
|
||
MagickBooleanType
|
||
has_merged_image,
|
||
skip_layers;
|
||
|
||
MagickOffsetType
|
||
offset;
|
||
|
||
MagickSizeType
|
||
length;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
PSDInfo
|
||
psd_info;
|
||
|
||
register ssize_t
|
||
i;
|
||
|
||
ssize_t
|
||
count;
|
||
|
||
unsigned char
|
||
*data;
|
||
|
||
/*
|
||
Open image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
if (image_info->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
||
image_info->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
assert(exception->signature == MagickCoreSignature);
|
||
|
||
image=AcquireImage(image_info,exception);
|
||
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
|
||
if (status == MagickFalse)
|
||
{
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
/*
|
||
Read image header.
|
||
*/
|
||
image->endian=MSBEndian;
|
||
count=ReadBlob(image,4,(unsigned char *) psd_info.signature);
|
||
psd_info.version=ReadBlobMSBShort(image);
|
||
if ((count == 0) || (LocaleNCompare(psd_info.signature,"8BPS",4) != 0) ||
|
||
((psd_info.version != 1) && (psd_info.version != 2)))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
(void) ReadBlob(image,6,psd_info.reserved);
|
||
psd_info.channels=ReadBlobMSBShort(image);
|
||
if (psd_info.channels > MaxPSDChannels)
|
||
ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded");
|
||
psd_info.rows=ReadBlobMSBLong(image);
|
||
psd_info.columns=ReadBlobMSBLong(image);
|
||
if ((psd_info.version == 1) && ((psd_info.rows > 30000) ||
|
||
(psd_info.columns > 30000)))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
psd_info.depth=ReadBlobMSBShort(image);
|
||
if ((psd_info.depth != 1) && (psd_info.depth != 8) && (psd_info.depth != 16))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
psd_info.mode=ReadBlobMSBShort(image);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Image is %.20g x %.20g with channels=%.20g, depth=%.20g, mode=%s",
|
||
(double) psd_info.columns,(double) psd_info.rows,(double)
|
||
psd_info.channels,(double) psd_info.depth,ModeToString((PSDImageType)
|
||
psd_info.mode));
|
||
/*
|
||
Initialize image.
|
||
*/
|
||
image->depth=psd_info.depth;
|
||
image->columns=psd_info.columns;
|
||
image->rows=psd_info.rows;
|
||
status=SetImageExtent(image,image->columns,image->rows,exception);
|
||
if (status == MagickFalse)
|
||
return(DestroyImageList(image));
|
||
if (SetImageBackgroundColor(image,exception) == MagickFalse)
|
||
{
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
if (psd_info.mode == LabMode)
|
||
SetImageColorspace(image,LabColorspace,exception);
|
||
if (psd_info.mode == CMYKMode)
|
||
{
|
||
SetImageColorspace(image,CMYKColorspace,exception);
|
||
image->alpha_trait=psd_info.channels > 4 ? BlendPixelTrait :
|
||
UndefinedPixelTrait;
|
||
}
|
||
else if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) ||
|
||
(psd_info.mode == DuotoneMode))
|
||
{
|
||
status=AcquireImageColormap(image,psd_info.depth != 16 ? 256 : 65536,
|
||
exception);
|
||
if (status == MagickFalse)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Image colormap allocated");
|
||
SetImageColorspace(image,GRAYColorspace,exception);
|
||
image->alpha_trait=psd_info.channels > 1 ? BlendPixelTrait :
|
||
UndefinedPixelTrait;
|
||
}
|
||
else
|
||
image->alpha_trait=psd_info.channels > 3 ? BlendPixelTrait :
|
||
UndefinedPixelTrait;
|
||
/*
|
||
Read PSD raster colormap only present for indexed and duotone images.
|
||
*/
|
||
length=ReadBlobMSBLong(image);
|
||
if (length != 0)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading colormap");
|
||
if (psd_info.mode == DuotoneMode)
|
||
{
|
||
/*
|
||
Duotone image data; the format of this data is undocumented.
|
||
*/
|
||
data=(unsigned char *) AcquireQuantumMemory((size_t) length,
|
||
sizeof(*data));
|
||
if (data == (unsigned char *) NULL)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
(void) ReadBlob(image,(size_t) length,data);
|
||
data=(unsigned char *) RelinquishMagickMemory(data);
|
||
}
|
||
else
|
||
{
|
||
size_t
|
||
number_colors;
|
||
|
||
/*
|
||
Read PSD raster colormap.
|
||
*/
|
||
number_colors=length/3;
|
||
if (number_colors > 65536)
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
if (AcquireImageColormap(image,number_colors,exception) == MagickFalse)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
image->colormap[i].red=ScaleCharToQuantum((unsigned char)
|
||
ReadBlobByte(image));
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
image->colormap[i].green=ScaleCharToQuantum((unsigned char)
|
||
ReadBlobByte(image));
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
image->colormap[i].blue=ScaleCharToQuantum((unsigned char)
|
||
ReadBlobByte(image));
|
||
image->alpha_trait=UndefinedPixelTrait;
|
||
}
|
||
}
|
||
if ((image->depth == 1) && (image->storage_class != PseudoClass))
|
||
ThrowReaderException(CorruptImageError, "ImproperImageHeader");
|
||
has_merged_image=MagickTrue;
|
||
length=ReadBlobMSBLong(image);
|
||
if (length != 0)
|
||
{
|
||
unsigned char
|
||
*blocks;
|
||
|
||
/*
|
||
Image resources block.
|
||
*/
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading image resource blocks - %.20g bytes",(double)
|
||
((MagickOffsetType) length));
|
||
blocks=(unsigned char *) AcquireQuantumMemory((size_t) length,
|
||
sizeof(*blocks));
|
||
if (blocks == (unsigned char *) NULL)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
count=ReadBlob(image,(size_t) length,blocks);
|
||
if ((count != (ssize_t) length) || (length < 4) ||
|
||
(LocaleNCompare((char *) blocks,"8BIM",4) != 0))
|
||
{
|
||
blocks=(unsigned char *) RelinquishMagickMemory(blocks);
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
}
|
||
ParseImageResourceBlocks(image,blocks,(size_t) length,&has_merged_image,
|
||
exception);
|
||
blocks=(unsigned char *) RelinquishMagickMemory(blocks);
|
||
}
|
||
/*
|
||
Layer and mask block.
|
||
*/
|
||
length=GetPSDSize(&psd_info,image);
|
||
if (length == 8)
|
||
{
|
||
length=ReadBlobMSBLong(image);
|
||
length=ReadBlobMSBLong(image);
|
||
}
|
||
offset=TellBlob(image);
|
||
skip_layers=MagickFalse;
|
||
if ((image_info->number_scenes == 1) && (image_info->scene == 0) &&
|
||
(has_merged_image != MagickFalse))
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" read composite only");
|
||
skip_layers=MagickTrue;
|
||
}
|
||
if (length == 0)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" image has no layers");
|
||
}
|
||
else
|
||
{
|
||
if (ReadPSDLayers(image,image_info,&psd_info,skip_layers,exception) !=
|
||
MagickTrue)
|
||
{
|
||
(void) CloseBlob(image);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
|
||
/*
|
||
Skip the rest of the layer and mask information.
|
||
*/
|
||
SeekBlob(image,offset+length,SEEK_SET);
|
||
}
|
||
/*
|
||
If we are only "pinging" the image, then we're done - so return.
|
||
*/
|
||
if (image_info->ping != MagickFalse)
|
||
{
|
||
(void) CloseBlob(image);
|
||
return(GetFirstImageInList(image));
|
||
}
|
||
/*
|
||
Read the precombined layer, present for PSD < 4 compatibility.
|
||
*/
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading the precombined layer");
|
||
if ((has_merged_image != MagickFalse) || (GetImageListLength(image) == 1))
|
||
has_merged_image=(MagickBooleanType) ReadPSDMergedImage(image_info,image,
|
||
&psd_info,exception);
|
||
if ((has_merged_image == MagickFalse) && (GetImageListLength(image) == 1) &&
|
||
(length != 0))
|
||
{
|
||
SeekBlob(image,offset,SEEK_SET);
|
||
status=ReadPSDLayers(image,image_info,&psd_info,MagickFalse,exception);
|
||
if (status != MagickTrue)
|
||
{
|
||
(void) CloseBlob(image);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
}
|
||
if ((has_merged_image == MagickFalse) && (GetImageListLength(image) > 1))
|
||
{
|
||
Image
|
||
*merged;
|
||
|
||
SetImageAlphaChannel(image,TransparentAlphaChannel,exception);
|
||
image->background_color.alpha=TransparentAlpha;
|
||
image->background_color.alpha_trait=BlendPixelTrait;
|
||
merged=MergeImageLayers(image,FlattenLayer,exception);
|
||
ReplaceImageInList(&image,merged);
|
||
}
|
||
(void) CloseBlob(image);
|
||
return(GetFirstImageInList(image));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e g i s t e r P S D I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% RegisterPSDImage() adds properties for the PSD 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 RegisterPSDImage method is:
|
||
%
|
||
% size_t RegisterPSDImage(void)
|
||
%
|
||
*/
|
||
ModuleExport size_t RegisterPSDImage(void)
|
||
{
|
||
MagickInfo
|
||
*entry;
|
||
|
||
entry=AcquireMagickInfo("PSD","PSB","Adobe Large Document Format");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSDImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSDImage;
|
||
entry->magick=(IsImageFormatHandler *) IsPSD;
|
||
entry->flags|=CoderSeekableStreamFlag;
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=AcquireMagickInfo("PSD","PSD","Adobe Photoshop bitmap");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSDImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSDImage;
|
||
entry->magick=(IsImageFormatHandler *) IsPSD;
|
||
entry->flags|=CoderSeekableStreamFlag;
|
||
(void) RegisterMagickInfo(entry);
|
||
return(MagickImageCoderSignature);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% U n r e g i s t e r P S D I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% UnregisterPSDImage() removes format registrations made by the
|
||
% PSD module from the list of supported formats.
|
||
%
|
||
% The format of the UnregisterPSDImage method is:
|
||
%
|
||
% UnregisterPSDImage(void)
|
||
%
|
||
*/
|
||
ModuleExport void UnregisterPSDImage(void)
|
||
{
|
||
(void) UnregisterMagickInfo("PSB");
|
||
(void) UnregisterMagickInfo("PSD");
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% W r i t e P S D I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% WritePSDImage() writes an image in the Adobe Photoshop encoded image format.
|
||
%
|
||
% The format of the WritePSDImage method is:
|
||
%
|
||
% MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image,
|
||
% ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows.
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o image: The image.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
static inline ssize_t SetPSDOffset(const PSDInfo *psd_info,Image *image,
|
||
const size_t offset)
|
||
{
|
||
if (psd_info->version == 1)
|
||
return(WriteBlobMSBShort(image,(unsigned short) offset));
|
||
return(WriteBlobMSBLong(image,(unsigned short) offset));
|
||
}
|
||
|
||
static inline ssize_t SetPSDSize(const PSDInfo *psd_info,Image *image,
|
||
const MagickSizeType size)
|
||
{
|
||
if (psd_info->version == 1)
|
||
return(WriteBlobMSBLong(image,(unsigned int) size));
|
||
return(WriteBlobMSBLongLong(image,size));
|
||
}
|
||
|
||
static size_t PSDPackbitsEncodeImage(Image *image,const size_t length,
|
||
const unsigned char *pixels,unsigned char *compact_pixels,
|
||
ExceptionInfo *exception)
|
||
{
|
||
int
|
||
count;
|
||
|
||
register ssize_t
|
||
i,
|
||
j;
|
||
|
||
register unsigned char
|
||
*q;
|
||
|
||
unsigned char
|
||
*packbits;
|
||
|
||
/*
|
||
Compress pixels with Packbits encoding.
|
||
*/
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
assert(pixels != (unsigned char *) NULL);
|
||
packbits=(unsigned char *) AcquireQuantumMemory(128UL,sizeof(*packbits));
|
||
if (packbits == (unsigned char *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
q=compact_pixels;
|
||
for (i=(ssize_t) length; i != 0; )
|
||
{
|
||
switch (i)
|
||
{
|
||
case 1:
|
||
{
|
||
i--;
|
||
*q++=(unsigned char) 0;
|
||
*q++=(*pixels);
|
||
break;
|
||
}
|
||
case 2:
|
||
{
|
||
i-=2;
|
||
*q++=(unsigned char) 1;
|
||
*q++=(*pixels);
|
||
*q++=pixels[1];
|
||
break;
|
||
}
|
||
case 3:
|
||
{
|
||
i-=3;
|
||
if ((*pixels == *(pixels+1)) && (*(pixels+1) == *(pixels+2)))
|
||
{
|
||
*q++=(unsigned char) ((256-3)+1);
|
||
*q++=(*pixels);
|
||
break;
|
||
}
|
||
*q++=(unsigned char) 2;
|
||
*q++=(*pixels);
|
||
*q++=pixels[1];
|
||
*q++=pixels[2];
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
if ((*pixels == *(pixels+1)) && (*(pixels+1) == *(pixels+2)))
|
||
{
|
||
/*
|
||
Packed run.
|
||
*/
|
||
count=3;
|
||
while (((ssize_t) count < i) && (*pixels == *(pixels+count)))
|
||
{
|
||
count++;
|
||
if (count >= 127)
|
||
break;
|
||
}
|
||
i-=count;
|
||
*q++=(unsigned char) ((256-count)+1);
|
||
*q++=(*pixels);
|
||
pixels+=count;
|
||
break;
|
||
}
|
||
/*
|
||
Literal run.
|
||
*/
|
||
count=0;
|
||
while ((*(pixels+count) != *(pixels+count+1)) ||
|
||
(*(pixels+count+1) != *(pixels+count+2)))
|
||
{
|
||
packbits[count+1]=pixels[count];
|
||
count++;
|
||
if (((ssize_t) count >= (i-3)) || (count >= 127))
|
||
break;
|
||
}
|
||
i-=count;
|
||
*packbits=(unsigned char) (count-1);
|
||
for (j=0; j <= (ssize_t) count; j++)
|
||
*q++=packbits[j];
|
||
pixels+=count;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
*q++=(unsigned char) 128; /* EOD marker */
|
||
packbits=(unsigned char *) RelinquishMagickMemory(packbits);
|
||
return((size_t) (q-compact_pixels));
|
||
}
|
||
|
||
static void WritePackbitsLength(const PSDInfo *psd_info,
|
||
const ImageInfo *image_info,Image *image,Image *next_image,
|
||
unsigned char *compact_pixels,const QuantumType quantum_type,
|
||
ExceptionInfo *exception)
|
||
{
|
||
QuantumInfo
|
||
*quantum_info;
|
||
|
||
register const Quantum
|
||
*p;
|
||
|
||
size_t
|
||
length,
|
||
packet_size;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
unsigned char
|
||
*pixels;
|
||
|
||
if (next_image->depth > 8)
|
||
next_image->depth=16;
|
||
packet_size=next_image->depth > 8UL ? 2UL : 1UL;
|
||
(void) packet_size;
|
||
quantum_info=AcquireQuantumInfo(image_info,image);
|
||
pixels=(unsigned char *) GetQuantumPixels(quantum_info);
|
||
for (y=0; y < (ssize_t) next_image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(next_image,0,y,next_image->columns,1,exception);
|
||
if (p == (const Quantum *) NULL)
|
||
break;
|
||
length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info,
|
||
quantum_type,pixels,exception);
|
||
length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels,
|
||
exception);
|
||
(void) SetPSDOffset(psd_info,image,length);
|
||
}
|
||
quantum_info=DestroyQuantumInfo(quantum_info);
|
||
}
|
||
|
||
static void WriteOneChannel(const PSDInfo *psd_info,const ImageInfo *image_info,
|
||
Image *image,Image *next_image,unsigned char *compact_pixels,
|
||
const QuantumType quantum_type,const MagickBooleanType compression_flag,
|
||
ExceptionInfo *exception)
|
||
{
|
||
int
|
||
y;
|
||
|
||
MagickBooleanType
|
||
monochrome;
|
||
|
||
QuantumInfo
|
||
*quantum_info;
|
||
|
||
register const Quantum
|
||
*p;
|
||
|
||
register ssize_t
|
||
i;
|
||
|
||
size_t
|
||
length,
|
||
packet_size;
|
||
|
||
unsigned char
|
||
*pixels;
|
||
|
||
(void) psd_info;
|
||
if ((compression_flag != MagickFalse) &&
|
||
(next_image->compression != RLECompression))
|
||
(void) WriteBlobMSBShort(image,0);
|
||
if (next_image->depth > 8)
|
||
next_image->depth=16;
|
||
monochrome=IsImageMonochrome(image) && (image->depth == 1) ?
|
||
MagickTrue : MagickFalse;
|
||
packet_size=next_image->depth > 8UL ? 2UL : 1UL;
|
||
(void) packet_size;
|
||
quantum_info=AcquireQuantumInfo(image_info,image);
|
||
pixels=(unsigned char *) GetQuantumPixels(quantum_info);
|
||
for (y=0; y < (ssize_t) next_image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(next_image,0,y,next_image->columns,1,exception);
|
||
if (p == (const Quantum *) NULL)
|
||
break;
|
||
length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info,
|
||
quantum_type,pixels,exception);
|
||
if (monochrome != MagickFalse)
|
||
for (i=0; i < (ssize_t) length; i++)
|
||
pixels[i]=(~pixels[i]);
|
||
if (next_image->compression != RLECompression)
|
||
(void) WriteBlob(image,length,pixels);
|
||
else
|
||
{
|
||
length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels,
|
||
exception);
|
||
(void) WriteBlob(image,length,compact_pixels);
|
||
}
|
||
}
|
||
quantum_info=DestroyQuantumInfo(quantum_info);
|
||
}
|
||
|
||
static MagickBooleanType WriteImageChannels(const PSDInfo *psd_info,
|
||
const ImageInfo *image_info,Image *image,Image *next_image,
|
||
const MagickBooleanType separate,ExceptionInfo *exception)
|
||
{
|
||
size_t
|
||
channels,
|
||
packet_size;
|
||
|
||
unsigned char
|
||
*compact_pixels;
|
||
|
||
/*
|
||
Write uncompressed pixels as separate planes.
|
||
*/
|
||
channels=1;
|
||
packet_size=next_image->depth > 8UL ? 2UL : 1UL;
|
||
compact_pixels=(unsigned char *) NULL;
|
||
if (next_image->compression == RLECompression)
|
||
{
|
||
compact_pixels=(unsigned char *) AcquireQuantumMemory((9*channels*
|
||
next_image->columns)+1,packet_size*sizeof(*compact_pixels));
|
||
if (compact_pixels == (unsigned char *) NULL)
|
||
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
||
}
|
||
if (IsImageGray(next_image) != MagickFalse)
|
||
{
|
||
if (next_image->compression == RLECompression)
|
||
{
|
||
/*
|
||
Packbits compression.
|
||
*/
|
||
(void) WriteBlobMSBShort(image,1);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,GrayQuantum,exception);
|
||
if (next_image->alpha_trait != UndefinedPixelTrait)
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,AlphaQuantum,exception);
|
||
}
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
GrayQuantum,MagickTrue,exception);
|
||
if (next_image->alpha_trait != UndefinedPixelTrait)
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
AlphaQuantum,separate,exception);
|
||
(void) SetImageProgress(image,SaveImagesTag,0,1);
|
||
}
|
||
else
|
||
if (next_image->storage_class == PseudoClass)
|
||
{
|
||
if (next_image->compression == RLECompression)
|
||
{
|
||
/*
|
||
Packbits compression.
|
||
*/
|
||
(void) WriteBlobMSBShort(image,1);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,IndexQuantum,exception);
|
||
if (next_image->alpha_trait != UndefinedPixelTrait)
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,AlphaQuantum,exception);
|
||
}
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
IndexQuantum,MagickTrue,exception);
|
||
if (next_image->alpha_trait != UndefinedPixelTrait)
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
AlphaQuantum,separate,exception);
|
||
(void) SetImageProgress(image,SaveImagesTag,0,1);
|
||
}
|
||
else
|
||
{
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
(void) NegateCMYK(next_image,exception);
|
||
if (next_image->compression == RLECompression)
|
||
{
|
||
/*
|
||
Packbits compression.
|
||
*/
|
||
(void) WriteBlobMSBShort(image,1);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,RedQuantum,exception);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,GreenQuantum,exception);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,BlueQuantum,exception);
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,BlackQuantum,exception);
|
||
if (next_image->alpha_trait != UndefinedPixelTrait)
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,AlphaQuantum,exception);
|
||
}
|
||
(void) SetImageProgress(image,SaveImagesTag,0,6);
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
RedQuantum,MagickTrue,exception);
|
||
(void) SetImageProgress(image,SaveImagesTag,1,6);
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
GreenQuantum,separate,exception);
|
||
(void) SetImageProgress(image,SaveImagesTag,2,6);
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
BlueQuantum,separate,exception);
|
||
(void) SetImageProgress(image,SaveImagesTag,3,6);
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
BlackQuantum,separate,exception);
|
||
(void) SetImageProgress(image,SaveImagesTag,4,6);
|
||
if (next_image->alpha_trait != UndefinedPixelTrait)
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
AlphaQuantum,separate,exception);
|
||
(void) SetImageProgress(image,SaveImagesTag,5,6);
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
(void) NegateCMYK(next_image,exception);
|
||
}
|
||
if (next_image->compression == RLECompression)
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
|
||
return(MagickTrue);
|
||
}
|
||
|
||
static void WritePascalString(Image* inImage,const char *inString,int inPad)
|
||
{
|
||
size_t
|
||
length;
|
||
|
||
register ssize_t
|
||
i;
|
||
|
||
/*
|
||
Max length is 255.
|
||
*/
|
||
length=(strlen(inString) > 255UL ) ? 255UL : strlen(inString);
|
||
if (length == 0)
|
||
(void) WriteBlobByte(inImage,0);
|
||
else
|
||
{
|
||
(void) WriteBlobByte(inImage,(unsigned char) length);
|
||
(void) WriteBlob(inImage, length, (const unsigned char *) inString);
|
||
}
|
||
length++;
|
||
if ((length % inPad) == 0)
|
||
return;
|
||
for (i=0; i < (ssize_t) (inPad-(length % inPad)); i++)
|
||
(void) WriteBlobByte(inImage,0);
|
||
}
|
||
|
||
static void WriteResolutionResourceBlock(Image *image)
|
||
{
|
||
double
|
||
x_resolution,
|
||
y_resolution;
|
||
|
||
unsigned short
|
||
units;
|
||
|
||
if (image->units == PixelsPerCentimeterResolution)
|
||
{
|
||
x_resolution=2.54*65536.0*image->resolution.x+0.5;
|
||
y_resolution=2.54*65536.0*image->resolution.y+0.5;
|
||
units=2;
|
||
}
|
||
else
|
||
{
|
||
x_resolution=65536.0*image->resolution.x+0.5;
|
||
y_resolution=65536.0*image->resolution.y+0.5;
|
||
units=1;
|
||
}
|
||
(void) WriteBlob(image,4,(const unsigned char *) "8BIM");
|
||
(void) WriteBlobMSBShort(image,0x03ED);
|
||
(void) WriteBlobMSBShort(image,0);
|
||
(void) WriteBlobMSBLong(image,16); /* resource size */
|
||
(void) WriteBlobMSBLong(image,(unsigned int) (x_resolution+0.5));
|
||
(void) WriteBlobMSBShort(image,units); /* horizontal resolution unit */
|
||
(void) WriteBlobMSBShort(image,units); /* width unit */
|
||
(void) WriteBlobMSBLong(image,(unsigned int) (y_resolution+0.5));
|
||
(void) WriteBlobMSBShort(image,units); /* vertical resolution unit */
|
||
(void) WriteBlobMSBShort(image,units); /* height unit */
|
||
}
|
||
|
||
static void RemoveICCProfileFromResourceBlock(StringInfo *bim_profile)
|
||
{
|
||
register const unsigned char
|
||
*p;
|
||
|
||
size_t
|
||
length;
|
||
|
||
unsigned char
|
||
*datum;
|
||
|
||
unsigned int
|
||
count,
|
||
long_sans;
|
||
|
||
unsigned short
|
||
id,
|
||
short_sans;
|
||
|
||
length=GetStringInfoLength(bim_profile);
|
||
if (length < 16)
|
||
return;
|
||
datum=GetStringInfoDatum(bim_profile);
|
||
for (p=datum; (p >= datum) && (p < (datum+length-16)); )
|
||
{
|
||
register unsigned char
|
||
*q;
|
||
|
||
q=(unsigned char *) p;
|
||
if (LocaleNCompare((const char *) p,"8BIM",4) != 0)
|
||
break;
|
||
p=PushLongPixel(MSBEndian,p,&long_sans);
|
||
p=PushShortPixel(MSBEndian,p,&id);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushLongPixel(MSBEndian,p,&count);
|
||
if (id == 0x0000040f)
|
||
{
|
||
ssize_t
|
||
quantum;
|
||
|
||
quantum=PSDQuantum(count)+12;
|
||
if ((quantum >= 12) && (q+quantum < (datum+length-16)))
|
||
{
|
||
(void) CopyMagickMemory(q,q+quantum,length-quantum-(q-datum));
|
||
SetStringInfoLength(bim_profile,length-quantum);
|
||
}
|
||
break;
|
||
}
|
||
p+=count;
|
||
if ((count & 0x01) != 0)
|
||
p++;
|
||
}
|
||
}
|
||
|
||
static void RemoveResolutionFromResourceBlock(StringInfo *bim_profile)
|
||
{
|
||
register const unsigned char
|
||
*p;
|
||
|
||
size_t
|
||
length;
|
||
|
||
unsigned char
|
||
*datum;
|
||
|
||
unsigned int
|
||
count,
|
||
long_sans;
|
||
|
||
unsigned short
|
||
id,
|
||
short_sans;
|
||
|
||
length=GetStringInfoLength(bim_profile);
|
||
if (length < 16)
|
||
return;
|
||
datum=GetStringInfoDatum(bim_profile);
|
||
for (p=datum; (p >= datum) && (p < (datum+length-16)); )
|
||
{
|
||
register unsigned char
|
||
*q;
|
||
|
||
ssize_t
|
||
cnt;
|
||
|
||
q=(unsigned char *) p;
|
||
if (LocaleNCompare((const char *) p,"8BIM",4) != 0)
|
||
return;
|
||
p=PushLongPixel(MSBEndian,p,&long_sans);
|
||
p=PushShortPixel(MSBEndian,p,&id);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushLongPixel(MSBEndian,p,&count);
|
||
cnt=PSDQuantum(count);
|
||
if (cnt < 0)
|
||
return;
|
||
if ((id == 0x000003ed) && (cnt < (ssize_t) (length-12)))
|
||
{
|
||
(void) CopyMagickMemory(q,q+cnt+12,length-(cnt+12)-(q-datum));
|
||
SetStringInfoLength(bim_profile,length-(cnt+12));
|
||
break;
|
||
}
|
||
p+=count;
|
||
if ((count & 0x01) != 0)
|
||
p++;
|
||
}
|
||
}
|
||
|
||
static MagickBooleanType WritePSDImage(const ImageInfo *image_info,
|
||
Image *image,ExceptionInfo *exception)
|
||
{
|
||
const char
|
||
*property;
|
||
|
||
const StringInfo
|
||
*icc_profile;
|
||
|
||
Image
|
||
*base_image,
|
||
*next_image;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
PSDInfo
|
||
psd_info;
|
||
|
||
register ssize_t
|
||
i;
|
||
|
||
size_t
|
||
channel_size,
|
||
channelLength,
|
||
layer_count,
|
||
layer_info_size,
|
||
length,
|
||
num_channels,
|
||
packet_size,
|
||
rounded_layer_info_size;
|
||
|
||
StringInfo
|
||
*bim_profile;
|
||
|
||
/*
|
||
Open image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
assert(exception->signature == MagickCoreSignature);
|
||
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
|
||
if (status == MagickFalse)
|
||
return(status);
|
||
packet_size=(size_t) (image->depth > 8 ? 6 : 3);
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
packet_size+=image->depth > 8 ? 2 : 1;
|
||
psd_info.version=1;
|
||
if ((LocaleCompare(image_info->magick,"PSB") == 0) ||
|
||
(image->columns > 30000) || (image->rows > 30000))
|
||
psd_info.version=2;
|
||
(void) WriteBlob(image,4,(const unsigned char *) "8BPS");
|
||
(void) WriteBlobMSBShort(image,psd_info.version); /* version */
|
||
for (i=1; i <= 6; i++)
|
||
(void) WriteBlobByte(image, 0); /* 6 bytes of reserved */
|
||
if (SetImageGray(image,exception) != MagickFalse)
|
||
num_channels=(image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL);
|
||
else
|
||
if ((image_info->type != TrueColorType) && (image_info->type !=
|
||
TrueColorAlphaType) && (image->storage_class == PseudoClass))
|
||
num_channels=(image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL);
|
||
else
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
(void) SetImageStorageClass(image,DirectClass,exception);
|
||
if (image->colorspace != CMYKColorspace)
|
||
num_channels=(image->alpha_trait != UndefinedPixelTrait ? 4UL : 3UL);
|
||
else
|
||
num_channels=(image->alpha_trait != UndefinedPixelTrait ? 5UL : 4UL);
|
||
}
|
||
(void) WriteBlobMSBShort(image,(unsigned short) num_channels);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) image->rows);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) image->columns);
|
||
if (IsImageGray(image) != MagickFalse)
|
||
{
|
||
MagickBooleanType
|
||
monochrome;
|
||
|
||
/*
|
||
Write depth & mode.
|
||
*/
|
||
monochrome=IsImageMonochrome(image) && (image->depth == 1) ?
|
||
MagickTrue : MagickFalse;
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(monochrome != MagickFalse ? 1 : image->depth > 8 ? 16 : 8));
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(monochrome != MagickFalse ? BitmapMode : GrayscaleMode));
|
||
}
|
||
else
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short) (image->storage_class ==
|
||
PseudoClass ? 8 : image->depth > 8 ? 16 : 8));
|
||
|
||
if (((image_info->colorspace != UndefinedColorspace) ||
|
||
(image->colorspace != CMYKColorspace)) &&
|
||
(image_info->colorspace != CMYKColorspace))
|
||
{
|
||
(void) TransformImageColorspace(image,sRGBColorspace,exception);
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(image->storage_class == PseudoClass ? IndexedMode : RGBMode));
|
||
}
|
||
else
|
||
{
|
||
if (image->colorspace != CMYKColorspace)
|
||
(void) TransformImageColorspace(image,CMYKColorspace,exception);
|
||
(void) WriteBlobMSBShort(image,CMYKMode);
|
||
}
|
||
}
|
||
if ((IsImageGray(image) != MagickFalse) ||
|
||
(image->storage_class == DirectClass) || (image->colors > 256))
|
||
(void) WriteBlobMSBLong(image,0);
|
||
else
|
||
{
|
||
/*
|
||
Write PSD raster colormap.
|
||
*/
|
||
(void) WriteBlobMSBLong(image,768);
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
(void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].red));
|
||
for ( ; i < 256; i++)
|
||
(void) WriteBlobByte(image,0);
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
(void) WriteBlobByte(image,ScaleQuantumToChar(
|
||
image->colormap[i].green));
|
||
for ( ; i < 256; i++)
|
||
(void) WriteBlobByte(image,0);
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
(void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].blue));
|
||
for ( ; i < 256; i++)
|
||
(void) WriteBlobByte(image,0);
|
||
}
|
||
/*
|
||
Image resource block.
|
||
*/
|
||
length=28; /* 0x03EB */
|
||
bim_profile=(StringInfo *) GetImageProfile(image,"8bim");
|
||
icc_profile=GetImageProfile(image,"icc");
|
||
if (bim_profile != (StringInfo *) NULL)
|
||
{
|
||
bim_profile=CloneStringInfo(bim_profile);
|
||
if (icc_profile != (StringInfo *) NULL)
|
||
RemoveICCProfileFromResourceBlock(bim_profile);
|
||
RemoveResolutionFromResourceBlock(bim_profile);
|
||
length+=PSDQuantum(GetStringInfoLength(bim_profile));
|
||
}
|
||
if (icc_profile != (const StringInfo *) NULL)
|
||
length+=PSDQuantum(GetStringInfoLength(icc_profile))+12;
|
||
(void) WriteBlobMSBLong(image,(unsigned int) length);
|
||
WriteResolutionResourceBlock(image);
|
||
if (bim_profile != (StringInfo *) NULL)
|
||
{
|
||
(void) WriteBlob(image,GetStringInfoLength(bim_profile),
|
||
GetStringInfoDatum(bim_profile));
|
||
bim_profile=DestroyStringInfo(bim_profile);
|
||
}
|
||
if (icc_profile != (StringInfo *) NULL)
|
||
{
|
||
(void) WriteBlob(image,4,(const unsigned char *) "8BIM");
|
||
(void) WriteBlobMSBShort(image,0x0000040F);
|
||
(void) WriteBlobMSBShort(image,0);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) GetStringInfoLength(
|
||
icc_profile));
|
||
(void) WriteBlob(image,GetStringInfoLength(icc_profile),
|
||
GetStringInfoDatum(icc_profile));
|
||
if ((MagickOffsetType) GetStringInfoLength(icc_profile) !=
|
||
PSDQuantum(GetStringInfoLength(icc_profile)))
|
||
(void) WriteBlobByte(image,0);
|
||
}
|
||
layer_count=0;
|
||
layer_info_size=2;
|
||
base_image=GetNextImageInList(image);
|
||
if (base_image == (Image *) NULL)
|
||
base_image=image;
|
||
next_image=base_image;
|
||
while (next_image != (Image *) NULL)
|
||
{
|
||
packet_size=next_image->depth > 8 ? 2UL : 1UL;
|
||
if (IsImageGray(next_image) != MagickFalse)
|
||
num_channels=next_image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL;
|
||
else
|
||
if (next_image->storage_class == PseudoClass)
|
||
num_channels=next_image->alpha_trait != UndefinedPixelTrait ? 2UL : 1UL;
|
||
else
|
||
if (next_image->colorspace != CMYKColorspace)
|
||
num_channels=next_image->alpha_trait != UndefinedPixelTrait ? 4UL : 3UL;
|
||
else
|
||
num_channels=next_image->alpha_trait != UndefinedPixelTrait ? 5UL : 4UL;
|
||
channelLength=(size_t) (next_image->columns*next_image->rows*packet_size+2);
|
||
layer_info_size+=(size_t) (4*4+2+num_channels*6+(psd_info.version == 1 ? 8 :
|
||
16)+4*1+4+num_channels*channelLength);
|
||
property=(const char *) GetImageProperty(next_image,"label",exception);
|
||
if (property == (const char *) NULL)
|
||
layer_info_size+=16;
|
||
else
|
||
{
|
||
size_t
|
||
layer_length;
|
||
|
||
layer_length=strlen(property);
|
||
layer_info_size+=8+layer_length+(4-(layer_length % 4));
|
||
}
|
||
layer_count++;
|
||
next_image=GetNextImageInList(next_image);
|
||
}
|
||
if (layer_count == 0)
|
||
(void) SetPSDSize(&psd_info,image,0);
|
||
else
|
||
{
|
||
CompressionType
|
||
compression;
|
||
|
||
(void) SetPSDSize(&psd_info,image,layer_info_size+
|
||
(psd_info.version == 1 ? 8 : 16));
|
||
if ((layer_info_size/2) != ((layer_info_size+1)/2))
|
||
rounded_layer_info_size=layer_info_size+1;
|
||
else
|
||
rounded_layer_info_size=layer_info_size;
|
||
(void) SetPSDSize(&psd_info,image,rounded_layer_info_size);
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
(void) WriteBlobMSBShort(image,-(unsigned short) layer_count);
|
||
else
|
||
(void) WriteBlobMSBShort(image,(unsigned short) layer_count);
|
||
layer_count=1;
|
||
compression=base_image->compression;
|
||
for (next_image=base_image; next_image != NULL; )
|
||
{
|
||
next_image->compression=NoCompression;
|
||
(void) WriteBlobMSBLong(image,(unsigned int) next_image->page.y);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) next_image->page.x);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) (next_image->page.y+
|
||
next_image->rows));
|
||
(void) WriteBlobMSBLong(image,(unsigned int) (next_image->page.x+
|
||
next_image->columns));
|
||
packet_size=next_image->depth > 8 ? 2UL : 1UL;
|
||
channel_size=(unsigned int) ((packet_size*next_image->rows*
|
||
next_image->columns)+2);
|
||
if ((IsImageGray(next_image) != MagickFalse) ||
|
||
(next_image->storage_class == PseudoClass))
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(next_image->alpha_trait != UndefinedPixelTrait ? 2 : 1));
|
||
(void) WriteBlobMSBShort(image,0);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
if (next_image->alpha_trait != UndefinedPixelTrait)
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short) -1);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
}
|
||
}
|
||
else
|
||
if (next_image->colorspace != CMYKColorspace)
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(next_image->alpha_trait != UndefinedPixelTrait ? 4 : 3));
|
||
(void) WriteBlobMSBShort(image,0);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
(void) WriteBlobMSBShort(image,1);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
(void) WriteBlobMSBShort(image,2);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
if (next_image->alpha_trait != UndefinedPixelTrait)
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short) -1);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(next_image->alpha_trait ? 5 : 4));
|
||
(void) WriteBlobMSBShort(image,0);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
(void) WriteBlobMSBShort(image,1);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
(void) WriteBlobMSBShort(image,2);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
(void) WriteBlobMSBShort(image,3);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
if (next_image->alpha_trait)
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short) -1);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
}
|
||
}
|
||
(void) WriteBlob(image,4,(const unsigned char *) "8BIM");
|
||
(void) WriteBlob(image,4,(const unsigned char *)
|
||
CompositeOperatorToPSDBlendMode(next_image->compose));
|
||
(void) WriteBlobByte(image,255); /* layer opacity */
|
||
(void) WriteBlobByte(image,0);
|
||
(void) WriteBlobByte(image,next_image->compose==NoCompositeOp ?
|
||
1 << 0x02 : 1); /* layer properties - visible, etc. */
|
||
(void) WriteBlobByte(image,0);
|
||
property=(const char *) GetImageProperty(next_image,"label",exception);
|
||
if (property == (const char *) NULL)
|
||
{
|
||
char
|
||
layer_name[MagickPathExtent];
|
||
|
||
(void) WriteBlobMSBLong(image,16);
|
||
(void) WriteBlobMSBLong(image,0);
|
||
(void) WriteBlobMSBLong(image,0);
|
||
(void) FormatLocaleString(layer_name,MagickPathExtent,"L%04ld",(long)
|
||
layer_count++);
|
||
WritePascalString(image,layer_name,4);
|
||
}
|
||
else
|
||
{
|
||
size_t
|
||
label_length;
|
||
|
||
label_length=strlen(property);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) (label_length+(4-
|
||
(label_length % 4))+8));
|
||
(void) WriteBlobMSBLong(image,0);
|
||
(void) WriteBlobMSBLong(image,0);
|
||
WritePascalString(image,property,4);
|
||
}
|
||
next_image=GetNextImageInList(next_image);
|
||
}
|
||
/*
|
||
Now the image data!
|
||
*/
|
||
next_image=base_image;
|
||
while (next_image != NULL)
|
||
{
|
||
status=WriteImageChannels(&psd_info,image_info,image,next_image,
|
||
MagickTrue,exception);
|
||
next_image=GetNextImageInList(next_image);
|
||
}
|
||
(void) WriteBlobMSBLong(image,0); /* user mask data */
|
||
base_image->compression=compression;
|
||
}
|
||
/*
|
||
Write composite image.
|
||
*/
|
||
if (status != MagickFalse)
|
||
status=WriteImageChannels(&psd_info,image_info,image,image,MagickFalse,
|
||
exception);
|
||
(void) CloseBlob(image);
|
||
return(status);
|
||
}
|