2406 lines
81 KiB
C
2406 lines
81 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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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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% John Cristy %
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% Leonard Rosenthol %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% http://www.imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/artifact.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/cache.h"
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#include "magick/colormap.h"
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#include "magick/colorspace.h"
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#include "magick/colorspace-private.h"
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#include "magick/constitute.h"
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#include "magick/enhance.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/image.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/log.h"
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#include "magick/magick.h"
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#include "magick/memory_.h"
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#include "magick/module.h"
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#include "magick/monitor-private.h"
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#include "magick/pixel.h"
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#include "magick/pixel-accessor.h"
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#include "magick/profile.h"
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#include "magick/property.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/string_.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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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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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 _LayerInfo
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{
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RectangleInfo
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page,
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mask;
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unsigned short
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channels;
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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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Quantum
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opacity;
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||
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unsigned char
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clipping,
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visible,
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flags;
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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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name[256];
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Image
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*image;
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} LayerInfo;
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typedef struct _PSDInfo
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{
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char
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signature[4];
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unsigned short
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channels,
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color_channels,
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version;
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unsigned char
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reserved[6];
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size_t
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rows,
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columns;
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unsigned short
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depth,
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mode;
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} PSDInfo;
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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 *);
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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)
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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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switch (op)
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{
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case OverCompositeOp: blend_mode = "norm"; break;
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case MultiplyCompositeOp: blend_mode = "mul "; break;
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case DissolveCompositeOp: blend_mode = "diss"; break;
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case DifferenceCompositeOp: blend_mode = "diff"; break;
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case DarkenCompositeOp: blend_mode = "dark"; break;
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case LightenCompositeOp: blend_mode = "lite"; break;
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case HueCompositeOp: blend_mode = "hue "; break;
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case SaturateCompositeOp: blend_mode = "sat "; break;
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case ColorizeCompositeOp: blend_mode = "colr"; break;
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case LuminizeCompositeOp: blend_mode = "lum "; break;
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case ScreenCompositeOp: blend_mode = "scrn"; break;
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case OverlayCompositeOp: blend_mode = "over"; break;
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default:
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blend_mode = "norm";
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}
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return(blend_mode);
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}
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static ssize_t DecodePSDPixels(const size_t number_compact_pixels,
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const unsigned char *compact_pixels,const ssize_t depth,
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const size_t number_pixels,unsigned char *pixels)
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{
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int
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pixel;
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register ssize_t
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i,
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j;
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size_t
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length;
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ssize_t
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packets;
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packets=(ssize_t) number_compact_pixels;
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for (i=0; (packets > 1) && (i < (ssize_t) number_pixels); )
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{
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length=(*compact_pixels++);
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packets--;
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if (length == 128)
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continue;
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if (length > 128)
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{
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length=256-length+1;
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pixel=(*compact_pixels++);
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packets--;
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for (j=0; j < (ssize_t) length; j++)
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{
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switch (depth)
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{
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case 1:
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{
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*pixels++=(pixel >> 7) & 0x01 ? 0U : 255U;
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*pixels++=(pixel >> 6) & 0x01 ? 0U : 255U;
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*pixels++=(pixel >> 5) & 0x01 ? 0U : 255U;
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*pixels++=(pixel >> 4) & 0x01 ? 0U : 255U;
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*pixels++=(pixel >> 3) & 0x01 ? 0U : 255U;
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*pixels++=(pixel >> 2) & 0x01 ? 0U : 255U;
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*pixels++=(pixel >> 1) & 0x01 ? 0U : 255U;
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*pixels++=(pixel >> 0) & 0x01 ? 0U : 255U;
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i+=8;
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break;
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}
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case 4:
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{
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*pixels++=(unsigned char) ((pixel >> 4) & 0xff);
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*pixels++=(unsigned char) ((pixel & 0x0f) & 0xff);
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i+=2;
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break;
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}
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case 2:
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{
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*pixels++=(unsigned char) ((pixel >> 6) & 0x03);
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*pixels++=(unsigned char) ((pixel >> 4) & 0x03);
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*pixels++=(unsigned char) ((pixel >> 2) & 0x03);
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*pixels++=(unsigned char) ((pixel & 0x03) & 0x03);
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i+=4;
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break;
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||
}
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||
default:
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||
{
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*pixels++=(unsigned char) pixel;
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i++;
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break;
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||
}
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}
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}
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continue;
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||
}
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length++;
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for (j=0; j < (ssize_t) length; j++)
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{
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switch (depth)
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{
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case 1:
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{
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*pixels++=(*compact_pixels >> 7) & 0x01 ? 0U : 255U;
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*pixels++=(*compact_pixels >> 6) & 0x01 ? 0U : 255U;
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*pixels++=(*compact_pixels >> 5) & 0x01 ? 0U : 255U;
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*pixels++=(*compact_pixels >> 4) & 0x01 ? 0U : 255U;
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*pixels++=(*compact_pixels >> 3) & 0x01 ? 0U : 255U;
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*pixels++=(*compact_pixels >> 2) & 0x01 ? 0U : 255U;
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*pixels++=(*compact_pixels >> 1) & 0x01 ? 0U : 255U;
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*pixels++=(*compact_pixels >> 0) & 0x01 ? 0U : 255U;
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i+=8;
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break;
|
||
}
|
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case 4:
|
||
{
|
||
*pixels++=(*compact_pixels >> 4) & 0xff;
|
||
*pixels++=(*compact_pixels & 0x0f) & 0xff;
|
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i+=2;
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break;
|
||
}
|
||
case 2:
|
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{
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*pixels++=(*compact_pixels >> 6) & 0x03;
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*pixels++=(*compact_pixels >> 4) & 0x03;
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*pixels++=(*compact_pixels >> 2) & 0x03;
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*pixels++=(*compact_pixels & 0x03) & 0x03;
|
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i+=4;
|
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break;
|
||
}
|
||
default:
|
||
{
|
||
*pixels++=(*compact_pixels);
|
||
i++;
|
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break;
|
||
}
|
||
}
|
||
compact_pixels++;
|
||
}
|
||
}
|
||
return(i);
|
||
}
|
||
|
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static inline MagickOffsetType GetPSDOffset(PSDInfo *psd_info,Image *image)
|
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{
|
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if (psd_info->version == 1)
|
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return((MagickOffsetType) ReadBlobMSBShort(image));
|
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return((MagickOffsetType) ReadBlobMSBLong(image));
|
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}
|
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|
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static inline MagickSizeType GetPSDSize(PSDInfo *psd_info,Image *image)
|
||
{
|
||
if (psd_info->version == 1)
|
||
return((MagickSizeType) ReadBlobMSBLong(image));
|
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return((MagickSizeType) ReadBlobMSBLongLong(image));
|
||
}
|
||
|
||
static inline ssize_t MagickAbsoluteValue(const ssize_t x)
|
||
{
|
||
if (x < 0)
|
||
return(-x);
|
||
return(x);
|
||
}
|
||
|
||
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 ParseImageResourceBlocks(Image *image,
|
||
const unsigned char *blocks,size_t length)
|
||
{
|
||
const unsigned char
|
||
*p;
|
||
|
||
StringInfo
|
||
*profile;
|
||
|
||
unsigned int
|
||
count,
|
||
long_sans;
|
||
|
||
unsigned short
|
||
id,
|
||
short_sans;
|
||
|
||
if (length < 16)
|
||
return(MagickFalse);
|
||
profile=BlobToStringInfo((const void *) NULL,length);
|
||
SetStringInfoDatum(profile,blocks);
|
||
(void) SetImageProfile(image,"8bim",profile);
|
||
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);
|
||
switch (id)
|
||
{
|
||
case 0x03ed:
|
||
{
|
||
char
|
||
value[MaxTextExtent];
|
||
|
||
unsigned short
|
||
resolution;
|
||
|
||
/*
|
||
Resolution info.
|
||
*/
|
||
p=PushShortPixel(MSBEndian,p,&resolution);
|
||
image->x_resolution=(double) resolution;
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%g",image->x_resolution);
|
||
(void) SetImageProperty(image,"tiff:XResolution",value);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&resolution);
|
||
image->y_resolution=(double) resolution;
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%g",image->y_resolution);
|
||
(void) SetImageProperty(image,"tiff:YResolution",value);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
p=PushShortPixel(MSBEndian,p,&short_sans);
|
||
image->units=PixelsPerInchResolution;
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
p+=count;
|
||
break;
|
||
}
|
||
}
|
||
if ((count & 0x01) != 0)
|
||
p++;
|
||
}
|
||
return(MagickTrue);
|
||
}
|
||
|
||
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(OverCompositeOp);
|
||
if (LocaleNCompare(mode,"sLit",4) == 0)
|
||
return(OverCompositeOp);
|
||
if (LocaleNCompare(mode,"smud",4) == 0)
|
||
return(OverCompositeOp);
|
||
if (LocaleNCompare(mode,"div ",4) == 0)
|
||
return(OverCompositeOp);
|
||
if (LocaleNCompare(mode,"idiv",4) == 0)
|
||
return(OverCompositeOp);
|
||
return(OverCompositeOp);
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDLayer(Image *image,const size_t channels,
|
||
const ssize_t type,const MagickOffsetType *offsets,ExceptionInfo *exception)
|
||
{
|
||
ColorspaceType
|
||
colorspace;
|
||
|
||
Quantum
|
||
pixel;
|
||
|
||
register const unsigned char
|
||
*p;
|
||
|
||
register IndexPacket
|
||
*indexes;
|
||
|
||
register PixelPacket
|
||
*q;
|
||
|
||
register ssize_t
|
||
x;
|
||
|
||
size_t
|
||
packet_size;
|
||
|
||
ssize_t
|
||
count,
|
||
y;
|
||
|
||
unsigned char
|
||
*compact_pixels,
|
||
*pixels;
|
||
|
||
unsigned short
|
||
nibble;
|
||
|
||
packet_size=1;
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
if (image->colors > 256)
|
||
packet_size++;
|
||
else
|
||
if (image->depth > 8)
|
||
packet_size++;
|
||
}
|
||
else
|
||
if (image->depth > 8)
|
||
packet_size++;
|
||
pixels=(unsigned char *) AcquireQuantumMemory(image->columns+256,packet_size*
|
||
sizeof(*pixels));
|
||
if (pixels == (unsigned char *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
(void) ResetMagickMemory(pixels,0,image->columns*packet_size*sizeof(*pixels));
|
||
compact_pixels=(unsigned char *) NULL;
|
||
if (image->compression == RLECompression)
|
||
{
|
||
size_t
|
||
length;
|
||
|
||
length=0;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
if ((MagickOffsetType) length < offsets[y])
|
||
length=(size_t) offsets[y];
|
||
compact_pixels=(unsigned char *) AcquireQuantumMemory(length+256,
|
||
sizeof(*pixels));
|
||
if (compact_pixels == (unsigned char *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
(void) ResetMagickMemory(compact_pixels,0,length*sizeof(*compact_pixels));
|
||
}
|
||
colorspace=image->colorspace;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
if (image->depth == 1)
|
||
{
|
||
if (image->compression != RLECompression)
|
||
count=ReadBlob(image,(image->columns+7)/8,pixels);
|
||
else
|
||
{
|
||
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) 123456,(size_t) ((image->columns+7)/8),pixels);
|
||
}
|
||
if (count < (ssize_t) ((image->columns+7)/8))
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
if (image->compression != RLECompression)
|
||
count=ReadBlob(image,packet_size*image->columns,pixels);
|
||
else
|
||
{
|
||
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,packet_size*image->columns,pixels);
|
||
}
|
||
if (count < (ssize_t) (packet_size*image->columns))
|
||
break;
|
||
}
|
||
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetAuthenticIndexQueue(image);
|
||
p=pixels;
|
||
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);
|
||
}
|
||
switch (type)
|
||
{
|
||
case -1:
|
||
{
|
||
SetPixelAlpha(q,pixel);
|
||
break;
|
||
}
|
||
case 0:
|
||
{
|
||
SetPixelRed(q,pixel);
|
||
if (channels == 1)
|
||
{
|
||
SetPixelGreen(q,GetPixelRed(q));
|
||
SetPixelBlue(q,GetPixelRed(q));
|
||
}
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
if (packet_size == 1)
|
||
SetPixelIndex(indexes+x,ScaleQuantumToChar(pixel));
|
||
else
|
||
SetPixelIndex(indexes+x,ScaleQuantumToShort(pixel));
|
||
SetPixelRGBO(q,image->colormap+(ssize_t)
|
||
GetPixelIndex(indexes+x));
|
||
if (image->depth == 1)
|
||
{
|
||
ssize_t
|
||
bit,
|
||
number_bits;
|
||
|
||
number_bits=image->columns-x;
|
||
if (number_bits > 8)
|
||
number_bits=8;
|
||
for (bit=0; bit < number_bits; bit++)
|
||
{
|
||
SetPixelIndex(indexes+x,(((unsigned char) pixel) &
|
||
(0x01 << (7-bit))) != 0 ? 0 : 255);
|
||
SetPixelRGBO(q,image->colormap+(ssize_t)
|
||
GetPixelIndex(indexes+x));
|
||
q++;
|
||
x++;
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 1:
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
SetPixelAlpha(q,pixel);
|
||
else
|
||
SetPixelGreen(q,pixel);
|
||
break;
|
||
}
|
||
case 2:
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
SetPixelAlpha(q,pixel);
|
||
else
|
||
SetPixelBlue(q,pixel);
|
||
break;
|
||
}
|
||
case 3:
|
||
{
|
||
if (image->colorspace == CMYKColorspace)
|
||
SetPixelIndex(indexes+x,pixel);
|
||
else
|
||
if (image->matte != MagickFalse)
|
||
SetPixelAlpha(q,pixel);
|
||
break;
|
||
}
|
||
case 4:
|
||
{
|
||
if ((IssRGBCompatibleColorspace(image->colorspace) != MagickFalse) &&
|
||
(channels > 3))
|
||
break;
|
||
if (image->matte != MagickFalse)
|
||
SetPixelAlpha(q,pixel);
|
||
break;
|
||
}
|
||
default:
|
||
break;
|
||
}
|
||
q++;
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
break;
|
||
}
|
||
image->colorspace=colorspace;
|
||
if (image->compression == RLECompression)
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
return(MagickTrue);
|
||
}
|
||
|
||
static Image *ReadPSDImage(const ImageInfo *image_info,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
message[MaxTextExtent],
|
||
type[4];
|
||
|
||
Image
|
||
*image;
|
||
|
||
LayerInfo
|
||
*layer_info;
|
||
|
||
MagickBooleanType
|
||
check_background,
|
||
status;
|
||
|
||
MagickOffsetType
|
||
offset,
|
||
*offsets;
|
||
|
||
MagickSizeType
|
||
combinedlength,
|
||
length,
|
||
size;
|
||
|
||
PSDInfo
|
||
psd_info;
|
||
|
||
register PixelPacket
|
||
*q;
|
||
|
||
register ssize_t
|
||
i,
|
||
x;
|
||
|
||
size_t
|
||
mask_size,
|
||
skip_first_alpha = 0;
|
||
|
||
ssize_t
|
||
count,
|
||
j,
|
||
number_layers,
|
||
y;
|
||
|
||
unsigned char
|
||
*data;
|
||
|
||
unsigned short
|
||
compression;
|
||
|
||
/*
|
||
Open image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickSignature);
|
||
if (image_info->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
||
image_info->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
assert(exception->signature == MagickSignature);
|
||
|
||
image=AcquireImage(image_info);
|
||
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
|
||
if (status == MagickFalse)
|
||
{
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
/*
|
||
Read image header.
|
||
*/
|
||
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");
|
||
count=ReadBlob(image,6,psd_info.reserved);
|
||
psd_info.channels=ReadBlobMSBShort(image);
|
||
psd_info.color_channels=psd_info.channels;
|
||
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;
|
||
if (SetImageBackgroundColor(image) == MagickFalse)
|
||
{
|
||
InheritException(exception,&image->exception);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
if (psd_info.mode == LabMode)
|
||
SetImageColorspace(image,LabColorspace);
|
||
psd_info.color_channels=3;
|
||
if (psd_info.mode == CMYKMode)
|
||
{
|
||
psd_info.color_channels=4;
|
||
SetImageColorspace(image,CMYKColorspace);
|
||
}
|
||
if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) ||
|
||
(psd_info.mode == DuotoneMode))
|
||
{
|
||
psd_info.color_channels=1;
|
||
if (AcquireImageColormap(image,256) == MagickFalse)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Image colormap allocated");
|
||
SetImageColorspace(image,GRAYColorspace);
|
||
}
|
||
image->matte=MagickFalse;
|
||
/*
|
||
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");
|
||
count=ReadBlob(image,(size_t) length,data);
|
||
data=(unsigned char *) RelinquishMagickMemory(data);
|
||
}
|
||
else
|
||
{
|
||
/*
|
||
Read PSD raster colormap.
|
||
*/
|
||
if (AcquireImageColormap(image,(size_t) (length/3)) == 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->matte=MagickFalse;
|
||
}
|
||
}
|
||
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) ||
|
||
(LocaleNCompare((char *) blocks,"8BIM",4) != 0))
|
||
{
|
||
blocks=(unsigned char *) RelinquishMagickMemory(blocks);
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
}
|
||
(void) ParseImageResourceBlocks(image,blocks,(size_t) length);
|
||
blocks=(unsigned char *) RelinquishMagickMemory(blocks);
|
||
}
|
||
/*
|
||
Layer and mask block.
|
||
*/
|
||
layer_info=(LayerInfo *) NULL;
|
||
number_layers=1;
|
||
length=GetPSDSize(&psd_info,image);
|
||
if (length == 8)
|
||
{
|
||
length=ReadBlobMSBLong(image);
|
||
length=ReadBlobMSBLong(image);
|
||
}
|
||
check_background=MagickFalse;
|
||
if ((image_info->number_scenes == 1) && (image_info->scene == 0))
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" read composite only");
|
||
check_background=MagickTrue;
|
||
}
|
||
if (length == 0)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" image has no layers");
|
||
}
|
||
else
|
||
{
|
||
offset=TellBlob(image);
|
||
size=GetPSDSize(&psd_info,image);
|
||
if (size == 0)
|
||
{
|
||
size_t
|
||
quantum;
|
||
|
||
unsigned long
|
||
tag;
|
||
|
||
/*
|
||
Skip layers & masks.
|
||
*/
|
||
quantum=psd_info.version == 1 ? 4UL : 8UL;
|
||
tag=ReadBlobMSBLong(image);
|
||
(void) tag;
|
||
count=ReadBlob(image,4,(unsigned char *) type);
|
||
if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0))
|
||
{
|
||
if (DiscardBlobBytes(image,length-quantum-8) == MagickFalse)
|
||
ThrowFileException(exception,CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
}
|
||
else
|
||
{
|
||
count=ReadBlob(image,4,(unsigned char *) type);
|
||
if ((count != 0) && (LocaleNCompare(type,"Lr16",4) == 0))
|
||
size=GetPSDSize(&psd_info,image);
|
||
else
|
||
if (DiscardBlobBytes(image,length-quantum-12) == MagickFalse)
|
||
ThrowFileException(exception,CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
}
|
||
}
|
||
if (size != 0)
|
||
{
|
||
MagickOffsetType
|
||
layer_offset;
|
||
|
||
image->matte=psd_info.channels > psd_info.color_channels ?
|
||
MagickTrue : MagickFalse;
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
image->matte ? " image has matte" : " image has no matte");
|
||
layer_offset=offset+length;
|
||
number_layers=(short) ReadBlobMSBShort(image);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" image contains %.20g layers",(double) number_layers);
|
||
if (number_layers < 0)
|
||
{
|
||
/*
|
||
Weird hack in PSD format to ignore first alpha channel.
|
||
*/
|
||
skip_first_alpha=1;
|
||
(void) skip_first_alpha;
|
||
number_layers=MagickAbsoluteValue(number_layers);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" negative layer count corrected for");
|
||
}
|
||
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");
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
}
|
||
(void) ResetMagickMemory(layer_info,0,(size_t) number_layers*
|
||
sizeof(*layer_info));
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
int
|
||
x,
|
||
y;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading layer #%.20g",(double) i+1);
|
||
layer_info[i].page.y=(int) ReadBlobMSBLong(image);
|
||
layer_info[i].page.x=(int) ReadBlobMSBLong(image);
|
||
y=(int) ReadBlobMSBLong(image);
|
||
x=(int) ReadBlobMSBLong(image);
|
||
layer_info[i].page.width=(ssize_t) (x-layer_info[i].page.x);
|
||
layer_info[i].page.height=(ssize_t) (y-layer_info[i].page.y);
|
||
layer_info[i].channels=ReadBlobMSBShort(image);
|
||
if (check_background == MagickTrue)
|
||
{
|
||
size_t
|
||
quantum;
|
||
|
||
if (layer_info[i].channels == psd_info.color_channels)
|
||
image->matte=MagickFalse;
|
||
quantum=psd_info.version == 1 ? 4UL : 8UL;
|
||
if (DiscardBlobBytes(image,length-20-quantum) == MagickFalse)
|
||
ThrowFileException(exception,CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
break;
|
||
}
|
||
if (layer_info[i].channels > MaxPSDChannels)
|
||
ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded");
|
||
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)
|
||
ReadBlobMSBShort(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);
|
||
if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0))
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer type was %.4s instead of 8BIM", type);
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
}
|
||
count=ReadBlob(image,4,(unsigned char *) layer_info[i].blendkey);
|
||
layer_info[i].opacity=(Quantum) (QuantumRange-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 */
|
||
combinedlength=0;
|
||
size=ReadBlobMSBLong(image);
|
||
if (size != 0)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer contains additional info");
|
||
length=ReadBlobMSBLong(image);
|
||
if (length != 0)
|
||
{
|
||
/*
|
||
Layer mask info.
|
||
*/
|
||
layer_info[i].mask.y=(int) ReadBlobMSBLong(image);
|
||
layer_info[i].mask.x=(int) ReadBlobMSBLong(image);
|
||
layer_info[i].mask.height=(size_t)
|
||
(ReadBlobMSBLong(image)-layer_info[i].mask.y);
|
||
layer_info[i].mask.width=(size_t)
|
||
(ReadBlobMSBLong(image)-layer_info[i].mask.x);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer mask: offset(%.20g,%.20g), size(%.20g,%.20g), length=%.20g",
|
||
(double) layer_info[i].mask.x,(double) layer_info[i].mask.y,
|
||
(double) layer_info[i].mask.width,(double)
|
||
layer_info[i].mask.height,(double)
|
||
((MagickOffsetType) length)-16);
|
||
/*
|
||
Skip over the rest of the layer mask information.
|
||
*/
|
||
if (DiscardBlobBytes(image,length-16) == MagickFalse)
|
||
ThrowFileException(exception,CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
}
|
||
combinedlength+=length+4; /* +4 for length */
|
||
length=ReadBlobMSBLong(image);
|
||
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=ReadBlobMSBLong(image);
|
||
size_t blend_dest=ReadBlobMSBLong(image);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" source(%x), dest(%x)",(unsigned int)
|
||
blend_source,(unsigned int) blend_dest);
|
||
}
|
||
}
|
||
combinedlength+=length+4;
|
||
/*
|
||
Layer name.
|
||
*/
|
||
length=(size_t) ReadBlobByte(image);
|
||
for (j=0; j < (ssize_t) length; j++)
|
||
layer_info[i].name[j]=(unsigned char) ReadBlobByte(image);
|
||
layer_info[i].name[j]='\0';
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer name: %s",layer_info[i].name);
|
||
combinedlength+=length+1;
|
||
|
||
#if 0 /* still in development */
|
||
/*
|
||
Adjustment layers and other stuff...
|
||
*/
|
||
{
|
||
char alsig[4], alkey[4];
|
||
|
||
count=ReadBlob(image,4,alsig);
|
||
if ((count == 0) || (LocaleNCompare(alsig,"8BIM",4) != 0)) {
|
||
if (debug != MagickFalse)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule()," adjustment layer type was %.4s instead of 8BIM", alsig);
|
||
}
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
}
|
||
count=ReadBlob(image,4,alkey);
|
||
length=ReadBlobMSBLong(image);
|
||
if (debug != MagickFalse)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" adjustment layer key: %.4s, data length=%.20g",
|
||
alkey, (double) length);
|
||
}
|
||
|
||
if ( length ) {
|
||
for (j=0; j < (ssize_t) (length); j++)
|
||
(void) ReadBlobByte(image);
|
||
}
|
||
|
||
}
|
||
combinedlength += 12 + length; /* sig, key, length + the actual length*/
|
||
#endif
|
||
|
||
/*
|
||
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-combinedlength)));
|
||
if (DiscardBlobBytes(image,size-combinedlength) == MagickFalse)
|
||
ThrowFileException(exception,CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
}
|
||
/*
|
||
Allocate layered image.
|
||
*/
|
||
layer_info[i].image=CloneImage(image,layer_info[i].page.width,
|
||
layer_info[i].page.height == ~0U ? 1 : layer_info[i].page.height,
|
||
MagickFalse,&image->exception);
|
||
if (layer_info[i].image == (Image *) NULL)
|
||
{
|
||
for (j=0; j < i; j++)
|
||
layer_info[j].image=DestroyImage(layer_info[j].image);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" allocation of image for layer %.20g failed",(double) i);
|
||
ThrowReaderException(ResourceLimitError,
|
||
"MemoryAllocationFailed");
|
||
}
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" setting up new layer image");
|
||
if (image_info->ping != MagickFalse)
|
||
(void) SetImageBackgroundColor(layer_info[i].image);
|
||
layer_info[i].image->compose=
|
||
PSDBlendModeToCompositeOperator(layer_info[i].blendkey);
|
||
if (layer_info[i].visible == MagickFalse)
|
||
layer_info[i].image->compose=NoCompositeOp;
|
||
if (psd_info.mode == CMYKMode)
|
||
SetImageColorspace(layer_info[i].image,CMYKColorspace);
|
||
if ((psd_info.mode == BitmapMode) ||
|
||
(psd_info.mode == GrayscaleMode) ||
|
||
(psd_info.mode == DuotoneMode))
|
||
SetImageColorspace(layer_info[i].image,GRAYColorspace);
|
||
for (j=0; j < (ssize_t) layer_info[i].channels; j++)
|
||
if (layer_info[i].channel_info[j].type == -1)
|
||
layer_info[i].image->matte=MagickTrue;
|
||
/*
|
||
Set up some hidden attributes for folks that need them.
|
||
*/
|
||
(void) FormatLocaleString(message,MaxTextExtent,"%.20gld",
|
||
(double) layer_info[i].page.x);
|
||
(void) SetImageArtifact(layer_info[i].image,"psd:layer.x",message);
|
||
(void) FormatLocaleString(message,MaxTextExtent,"%.20g",
|
||
(double) layer_info[i].page.y);
|
||
(void) SetImageArtifact(layer_info[i].image,"psd:layer.y",message);
|
||
(void) FormatLocaleString(message,MaxTextExtent,"%.20g",
|
||
(double) layer_info[i].opacity);
|
||
(void) SetImageArtifact(layer_info[i].image,"psd:layer.opacity",
|
||
message);
|
||
(void) SetImageProperty(layer_info[i].image,"label",(char *)
|
||
layer_info[i].name);
|
||
}
|
||
if (check_background == MagickFalse)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading image data for layers");
|
||
/*
|
||
Read pixel data for each layer.
|
||
*/
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading data for layer %.20g",(double) i);
|
||
for (j=0; j < (ssize_t) layer_info[i].channels; j++)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading data for channel %.20g",(double) j);
|
||
#if 1
|
||
if (layer_info[i].channel_info[j].size <= (2*layer_info[i].image->rows))
|
||
{
|
||
ssize_t
|
||
k;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer data is empty");
|
||
/*
|
||
A layer without data.
|
||
*/
|
||
for (k=0; k < (ssize_t) layer_info[i].channel_info[j].size; k++)
|
||
(void) ReadBlobByte(layer_info[i].image);
|
||
continue;
|
||
}
|
||
#endif
|
||
offsets=(MagickOffsetType *) NULL;
|
||
layer_info[i].image->compression=NoCompression;
|
||
compression=ReadBlobMSBShort(layer_info[i].image);
|
||
if ((layer_info[i].page.height != 0) &&
|
||
(layer_info[i].page.width != 0))
|
||
{
|
||
if (compression == 1)
|
||
{
|
||
/*
|
||
Read RLE compressed data.
|
||
*/
|
||
layer_info[i].image->compression=RLECompression;
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" layer data is RLE compressed");
|
||
offsets=(MagickOffsetType *) AcquireQuantumMemory(
|
||
layer_info[i].image->rows,sizeof(*offsets));
|
||
if (offsets == (MagickOffsetType *) NULL)
|
||
ThrowReaderException(ResourceLimitError,
|
||
"MemoryAllocationFailed");
|
||
for (y=0; y < (ssize_t) layer_info[i].image->rows; y++)
|
||
offsets[y]=GetPSDOffset(&psd_info,
|
||
layer_info[i].image);
|
||
}
|
||
status=ReadPSDLayer(layer_info[i].image,
|
||
layer_info[i].channels,
|
||
layer_info[i].channel_info[j].type,offsets,exception);
|
||
if (compression == 1)
|
||
offsets=(MagickOffsetType *) RelinquishMagickMemory(
|
||
offsets);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
if (layer_info[i].opacity != OpaqueOpacity)
|
||
{
|
||
/*
|
||
Correct for opacity level.
|
||
*/
|
||
for (y=0; y < (ssize_t) layer_info[i].image->rows; y++)
|
||
{
|
||
q=GetAuthenticPixels(layer_info[i].image,0,y,
|
||
layer_info[i].image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) layer_info[i].image->columns; x++)
|
||
{
|
||
q->opacity=(Quantum) (QuantumRange-(Quantum)
|
||
(QuantumScale*((QuantumRange-q->opacity)*
|
||
(QuantumRange-layer_info[i].opacity))));
|
||
q++;
|
||
}
|
||
if (SyncAuthenticPixels(layer_info[i].image,exception) == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
if (layer_info[i].image->colorspace == CMYKColorspace)
|
||
(void) NegateImage(layer_info[i].image,MagickFalse);
|
||
status=SetImageProgress(image,LoadImagesTag,i,(MagickSizeType)
|
||
number_layers);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
/* added by palf -> invisible group layer make layer of this group
|
||
invisible I consider that all layer with width and height null
|
||
are layer for group layer */
|
||
{
|
||
short inside_layer = 0;
|
||
short layer_visible = 0;
|
||
for (i=number_layers-1; i >=0; i--)
|
||
{
|
||
if ((layer_info[i].page.width == 0) ||
|
||
(layer_info[i].page.height == 0))
|
||
{
|
||
if (inside_layer == 0)
|
||
{
|
||
inside_layer=1;
|
||
layer_visible=(short int) layer_info[i].visible;
|
||
}
|
||
else
|
||
{
|
||
inside_layer = 0;
|
||
}
|
||
}
|
||
else
|
||
if ((inside_layer == 1) && (layer_visible == 0))
|
||
{
|
||
layer_info[i].visible=(unsigned char) layer_visible;
|
||
layer_info[i].image->compose=NoCompositeOp;
|
||
}
|
||
}
|
||
}
|
||
/* added by palf -> suppression of empty layer */
|
||
/* I consider that all layer with width and height null are layer
|
||
for group layer */
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
if ((layer_info[i].page.width == 0) ||
|
||
(layer_info[i].page.height == 0))
|
||
{
|
||
if (layer_info[i].image != (Image *) NULL)
|
||
layer_info[i].image=DestroyImage(layer_info[i].image);
|
||
for (j=i; j < number_layers - 1; j++)
|
||
layer_info[j] = layer_info[j+1];
|
||
number_layers--;
|
||
i--;
|
||
}
|
||
}
|
||
mask_size = ReadBlobMSBLong(image); /* ignore global mask size */
|
||
(void) mask_size;
|
||
if (number_layers > 0)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" putting layers into image list");
|
||
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);
|
||
}
|
||
layer_offset-=TellBlob(image);
|
||
offset=SeekBlob(image,layer_offset,SEEK_CUR);
|
||
}
|
||
}
|
||
}
|
||
/*
|
||
Read the precombined layer, present for PSD < 4 compatibility
|
||
*/
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading the precombined layer");
|
||
offsets=(MagickOffsetType *) NULL;
|
||
image->compression=NoCompression;
|
||
compression=ReadBlobMSBShort(image);
|
||
if (compression == 1)
|
||
{
|
||
/*
|
||
Read Packbit encoded pixel data as separate planes.
|
||
*/
|
||
image->compression=RLECompression;
|
||
offsets=(MagickOffsetType *) AcquireQuantumMemory(image->rows,
|
||
psd_info.channels*sizeof(*offsets));
|
||
if (offsets == (MagickOffsetType *) NULL)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
for (i=0; i < (ssize_t) (image->rows*psd_info.channels); i++)
|
||
offsets[i]=GetPSDOffset(&psd_info,image);
|
||
}
|
||
for (i=0; i < (ssize_t) psd_info.channels; i++)
|
||
{
|
||
status=ReadPSDLayer(image,psd_info.channels,i,offsets+i*image->rows,
|
||
exception);
|
||
if (status == MagickFalse)
|
||
break;
|
||
status=SetImageProgress(image,LoadImagesTag,i,psd_info.channels);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
if (compression == 1)
|
||
offsets=(MagickOffsetType *) RelinquishMagickMemory(offsets);
|
||
if (image->colorspace == CMYKColorspace)
|
||
(void) NegateImage(image,MagickFalse);
|
||
(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=SetMagickInfo("PSB");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSDImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSDImage;
|
||
entry->magick=(IsImageFormatHandler *) IsPSD;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->description=ConstantString("Adobe Large Document Format");
|
||
entry->module=ConstantString("PSD");
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("PSD");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSDImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSDImage;
|
||
entry->magick=(IsImageFormatHandler *) IsPSD;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->description=ConstantString("Adobe Photoshop bitmap");
|
||
entry->module=ConstantString("PSD");
|
||
(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)
|
||
%
|
||
% A description of each parameter follows.
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o image: The image.
|
||
%
|
||
*/
|
||
|
||
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)
|
||
{
|
||
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 == MagickSignature);
|
||
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)
|
||
{
|
||
QuantumInfo
|
||
*quantum_info;
|
||
|
||
register const PixelPacket
|
||
*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=GetQuantumPixels(quantum_info);
|
||
for (y=0; y < (ssize_t) next_image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(next_image,0,y,next_image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info,
|
||
quantum_type,pixels,&image->exception);
|
||
length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels);
|
||
(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)
|
||
{
|
||
int
|
||
y;
|
||
|
||
MagickBooleanType
|
||
monochrome;
|
||
|
||
QuantumInfo
|
||
*quantum_info;
|
||
|
||
register const PixelPacket
|
||
*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=IsMonochromeImage(image,&image->exception) && (image->depth == 1)
|
||
? MagickTrue : MagickFalse;
|
||
packet_size=next_image->depth > 8UL ? 2UL : 1UL;
|
||
(void) packet_size;
|
||
quantum_info=AcquireQuantumInfo(image_info,image);
|
||
pixels=GetQuantumPixels(quantum_info);
|
||
for (y=0; y < (ssize_t) next_image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(next_image,0,y,next_image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
length=ExportQuantumPixels(next_image,(CacheView *) NULL,quantum_info,
|
||
quantum_type,pixels,&image->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);
|
||
(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)
|
||
{
|
||
int
|
||
i;
|
||
|
||
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(2*channels*
|
||
next_image->columns,packet_size*sizeof(*compact_pixels));
|
||
if (compact_pixels == (unsigned char *) NULL)
|
||
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
||
}
|
||
i=0;
|
||
if (IsGrayImage(next_image,&next_image->exception) != MagickFalse)
|
||
{
|
||
if (next_image->compression == RLECompression)
|
||
{
|
||
/*
|
||
Packbits compression.
|
||
*/
|
||
(void) WriteBlobMSBShort(image,1);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,GrayQuantum);
|
||
if (next_image->matte != MagickFalse)
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,AlphaQuantum);
|
||
}
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
GrayQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
if (next_image->matte != MagickFalse)
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
(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);
|
||
if (next_image->matte != MagickFalse)
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,AlphaQuantum);
|
||
}
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
IndexQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
if (next_image->matte != MagickFalse)
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
(void) SetImageProgress(image,SaveImagesTag,0,1);
|
||
}
|
||
else
|
||
{
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
(void) NegateImage(next_image,MagickFalse);
|
||
if (next_image->compression == RLECompression)
|
||
{
|
||
/*
|
||
Packbits compression.
|
||
*/
|
||
(void) WriteBlobMSBShort(image,1);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,RedQuantum);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,GreenQuantum);
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,BlueQuantum);
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,BlackQuantum);
|
||
if (next_image->matte != MagickFalse)
|
||
WritePackbitsLength(psd_info,image_info,image,next_image,
|
||
compact_pixels,AlphaQuantum);
|
||
}
|
||
(void) SetImageProgress(image,SaveImagesTag,0,6);
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
RedQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
(void) SetImageProgress(image,SaveImagesTag,1,6);
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
GreenQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
(void) SetImageProgress(image,SaveImagesTag,2,6);
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
BlueQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
(void) SetImageProgress(image,SaveImagesTag,3,6);
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
BlackQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
(void) SetImageProgress(image,SaveImagesTag,4,6);
|
||
if (next_image->matte != MagickFalse)
|
||
WriteOneChannel(psd_info,image_info,image,next_image,compact_pixels,
|
||
AlphaQuantum,(i++ == 0) || (separate != MagickFalse) ? MagickTrue :
|
||
MagickFalse);
|
||
(void) SetImageProgress(image,SaveImagesTag,5,6);
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
(void) NegateImage(next_image,MagickFalse);
|
||
}
|
||
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;
|
||
|
||
x_resolution=65536.0*image->x_resolution+0.5;
|
||
y_resolution=65536.0*image->y_resolution+0.5;
|
||
units=1;
|
||
if (image->units == PixelsPerCentimeterResolution)
|
||
{
|
||
x_resolution=2.54*65536.0*image->x_resolution*0.5;
|
||
y_resolution=2.54*65536.0*image->y_resolution+0.5;
|
||
units=2;
|
||
}
|
||
(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)
|
||
{
|
||
(void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length-
|
||
(PSDQuantum(count)+12)-(q-datum));
|
||
SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12));
|
||
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;
|
||
|
||
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 == 0x000003ed) && (PSDQuantum(count) < (ssize_t) (length-12)))
|
||
{
|
||
(void) CopyMagickMemory(q,q+PSDQuantum(count)+12,length-
|
||
(PSDQuantum(count)+12)-(q-datum));
|
||
SetStringInfoLength(bim_profile,length-(PSDQuantum(count)+12));
|
||
break;
|
||
}
|
||
p+=count;
|
||
if ((count & 0x01) != 0)
|
||
p++;
|
||
}
|
||
}
|
||
|
||
static MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image)
|
||
{
|
||
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;
|
||
|
||
unsigned char
|
||
layer_name[4];
|
||
|
||
/*
|
||
Open image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickSignature);
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
|
||
if (status == MagickFalse)
|
||
return(status);
|
||
packet_size=(size_t) (image->depth > 8 ? 6 : 3);
|
||
if (image->matte != MagickFalse)
|
||
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 (IsGrayImage(image,&image->exception) != MagickFalse)
|
||
num_channels=(image->matte != MagickFalse ? 2UL : 1UL);
|
||
else
|
||
if (image->storage_class == PseudoClass)
|
||
num_channels=(image->matte != MagickFalse ? 2UL : 1UL);
|
||
else
|
||
{
|
||
if (image->colorspace != CMYKColorspace)
|
||
num_channels=(image->matte != MagickFalse ? 4UL : 3UL);
|
||
else
|
||
num_channels=(image->matte != MagickFalse ? 5UL : 4UL);
|
||
}
|
||
(void) WriteBlobMSBShort(image,(unsigned short) num_channels);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) image->rows);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) image->columns);
|
||
if (IsGrayImage(image,&image->exception) != MagickFalse)
|
||
{
|
||
MagickBooleanType
|
||
monochrome;
|
||
|
||
/*
|
||
Write depth & mode.
|
||
*/
|
||
monochrome=IsMonochromeImage(image,&image->exception) &&
|
||
(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))
|
||
{
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
(void) TransformImageColorspace(image,sRGBColorspace);
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(image->storage_class == PseudoClass ? IndexedMode : RGBMode));
|
||
}
|
||
else
|
||
{
|
||
if (image->colorspace != CMYKColorspace)
|
||
(void) TransformImageColorspace(image,CMYKColorspace);
|
||
(void) WriteBlobMSBShort(image,CMYKMode);
|
||
}
|
||
}
|
||
if ((IsGrayImage(image,&image->exception) != 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 ((image->matte != MagickFalse) && (base_image == (Image *) NULL))
|
||
base_image=image;
|
||
next_image=base_image;
|
||
while ( next_image != NULL )
|
||
{
|
||
packet_size=next_image->depth > 8 ? 2UL : 1UL;
|
||
if (IsGrayImage(next_image,&image->exception) != MagickFalse)
|
||
num_channels=next_image->matte != MagickFalse ? 2UL : 1UL;
|
||
else
|
||
if (next_image->storage_class == PseudoClass)
|
||
num_channels=next_image->matte != MagickFalse ? 2UL : 1UL;
|
||
else
|
||
if (next_image->colorspace != CMYKColorspace)
|
||
num_channels=next_image->matte != MagickFalse ? 4UL : 3UL;
|
||
else
|
||
num_channels=next_image->matte != MagickFalse ? 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");
|
||
if (property == (const char *) NULL)
|
||
layer_info_size+=16;
|
||
else
|
||
{
|
||
size_t
|
||
length;
|
||
|
||
length=strlen(property);
|
||
layer_info_size+=8+length+(4-(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);
|
||
(void) WriteBlobMSBShort(image,(unsigned short) layer_count);
|
||
layer_count=1;
|
||
compression=base_image->compression;
|
||
next_image=base_image;
|
||
while (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 ((IsGrayImage(next_image,&image->exception) != MagickFalse) ||
|
||
(next_image->storage_class == PseudoClass))
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(next_image->matte != MagickFalse ? 2 : 1));
|
||
(void) WriteBlobMSBShort(image,0);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
if (next_image->matte != MagickFalse)
|
||
{
|
||
(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->matte != MagickFalse ? 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->matte!= MagickFalse )
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short) -1);
|
||
(void) SetPSDSize(&psd_info,image,channel_size);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
(void) WriteBlobMSBShort(image,(unsigned short)
|
||
(next_image->matte ? 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->matte)
|
||
{
|
||
(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,1); /* layer propertys - visible, etc. */
|
||
(void) WriteBlobByte(image,0);
|
||
property=(const char *) GetImageProperty(next_image,"label");
|
||
if (property == (const char *) NULL)
|
||
{
|
||
(void) WriteBlobMSBLong(image,16);
|
||
(void) WriteBlobMSBLong(image,0);
|
||
(void) WriteBlobMSBLong(image,0);
|
||
(void) FormatLocaleString((char *) layer_name,MaxTextExtent,
|
||
"L%06ld",(long) layer_count++);
|
||
WritePascalString( image, (char*)layer_name, 4 );
|
||
}
|
||
else
|
||
{
|
||
size_t
|
||
length;
|
||
|
||
length=strlen(property);
|
||
(void) WriteBlobMSBLong(image,(unsigned int) (length+(4-
|
||
(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);
|
||
next_image=GetNextImageInList(next_image);
|
||
}
|
||
(void) WriteBlobMSBLong(image,0); /* user mask data */
|
||
base_image->compression=compression;
|
||
}
|
||
/*
|
||
Write composite image.
|
||
*/
|
||
status=WriteImageChannels(&psd_info,image_info,image,image,MagickFalse);
|
||
(void) CloseBlob(image);
|
||
return(status);
|
||
}
|