forked from openkylin/imagemagick
3673 lines
110 KiB
C
3673 lines
110 KiB
C
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% PPPP SSSSS DDDD %
|
||
% P P SS D D %
|
||
% PPPP SSS D D %
|
||
% P SS D D %
|
||
% P SSSSS DDDD %
|
||
% %
|
||
% %
|
||
% Read/Write Adobe Photoshop Image Format %
|
||
% %
|
||
% Software Design %
|
||
% Cristy %
|
||
% Leonard Rosenthol %
|
||
% July 1992 %
|
||
% Dirk Lemstra %
|
||
% December 2013 %
|
||
% %
|
||
% %
|
||
% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
|
||
% dedicated to making software imaging solutions freely available. %
|
||
% %
|
||
% You may not use this file except in compliance with the License. You may %
|
||
% obtain a copy of the License at %
|
||
% %
|
||
% https://imagemagick.org/script/license.php %
|
||
% %
|
||
% Unless required by applicable law or agreed to in writing, software %
|
||
% distributed under the License is distributed on an "AS IS" BASIS, %
|
||
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
|
||
% See the License for the specific language governing permissions and %
|
||
% limitations under the License. %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% Photoshop spec @ https://www.adobe.com/devnet-apps/photoshop/fileformatashtml
|
||
%
|
||
*/
|
||
|
||
/*
|
||
Include declarations.
|
||
*/
|
||
#include "magick/studio.h"
|
||
#include "magick/artifact.h"
|
||
#include "magick/attribute.h"
|
||
#include "magick/blob.h"
|
||
#include "magick/blob-private.h"
|
||
#include "magick/cache.h"
|
||
#include "magick/channel.h"
|
||
#include "magick/colormap.h"
|
||
#include "magick/colormap-private.h"
|
||
#include "magick/colorspace.h"
|
||
#include "magick/colorspace-private.h"
|
||
#include "magick/constitute.h"
|
||
#include "magick/enhance.h"
|
||
#include "magick/exception.h"
|
||
#include "magick/exception-private.h"
|
||
#include "magick/image.h"
|
||
#include "magick/image-private.h"
|
||
#include "magick/list.h"
|
||
#include "magick/log.h"
|
||
#include "magick/magick.h"
|
||
#include "magick/memory_.h"
|
||
#include "magick/module.h"
|
||
#include "magick/monitor-private.h"
|
||
#include "magick/option.h"
|
||
#include "magick/pixel.h"
|
||
#include "magick/pixel-accessor.h"
|
||
#include "magick/policy.h"
|
||
#include "magick/profile.h"
|
||
#include "magick/property.h"
|
||
#include "magick/registry.h"
|
||
#include "magick/quantum-private.h"
|
||
#include "magick/static.h"
|
||
#include "magick/string_.h"
|
||
#include "magick/string-private.h"
|
||
#include "magick/thread-private.h"
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
#include <zlib.h>
|
||
#endif
|
||
#include "psd-private.h"
|
||
|
||
/*
|
||
Define declaractions.
|
||
*/
|
||
#define MaxPSDChannels 56
|
||
#define PSDQuantum(x) (((ssize_t) (x)+1) & -2)
|
||
|
||
/*
|
||
Enumerated declaractions.
|
||
*/
|
||
typedef enum
|
||
{
|
||
Raw = 0,
|
||
RLE = 1,
|
||
ZipWithoutPrediction = 2,
|
||
ZipWithPrediction = 3
|
||
} PSDCompressionType;
|
||
|
||
typedef enum
|
||
{
|
||
BitmapMode = 0,
|
||
GrayscaleMode = 1,
|
||
IndexedMode = 2,
|
||
RGBMode = 3,
|
||
CMYKMode = 4,
|
||
MultichannelMode = 7,
|
||
DuotoneMode = 8,
|
||
LabMode = 9
|
||
} PSDImageType;
|
||
|
||
/*
|
||
Typedef declaractions.
|
||
*/
|
||
typedef struct _ChannelInfo
|
||
{
|
||
short
|
||
type;
|
||
|
||
size_t
|
||
size;
|
||
} ChannelInfo;
|
||
|
||
typedef struct _MaskInfo
|
||
{
|
||
Image
|
||
*image;
|
||
|
||
RectangleInfo
|
||
page;
|
||
|
||
unsigned char
|
||
background,
|
||
flags;
|
||
} MaskInfo;
|
||
|
||
typedef struct _LayerInfo
|
||
{
|
||
ChannelInfo
|
||
channel_info[MaxPSDChannels];
|
||
|
||
char
|
||
blendkey[4];
|
||
|
||
Image
|
||
*image;
|
||
|
||
MaskInfo
|
||
mask;
|
||
|
||
Quantum
|
||
opacity;
|
||
|
||
RectangleInfo
|
||
page;
|
||
|
||
size_t
|
||
offset_x,
|
||
offset_y;
|
||
|
||
unsigned char
|
||
clipping,
|
||
flags,
|
||
name[257],
|
||
visible;
|
||
|
||
unsigned short
|
||
channels;
|
||
|
||
StringInfo
|
||
*info;
|
||
} LayerInfo;
|
||
|
||
/*
|
||
Forward declarations.
|
||
*/
|
||
static MagickBooleanType
|
||
WritePSDImage(const ImageInfo *,Image *);
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I s P S D %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsPSD()() returns MagickTrue if the image format type, identified by the
|
||
% magick string, is PSD.
|
||
%
|
||
% The format of the IsPSD method is:
|
||
%
|
||
% MagickBooleanType IsPSD(const unsigned char *magick,const size_t length)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick: compare image format pattern against these bytes.
|
||
%
|
||
% o length: Specifies the length of the magick string.
|
||
%
|
||
*/
|
||
static MagickBooleanType IsPSD(const unsigned char *magick,const size_t length)
|
||
{
|
||
if (length < 4)
|
||
return(MagickFalse);
|
||
if (LocaleNCompare((const char *) magick,"8BPS",4) == 0)
|
||
return(MagickTrue);
|
||
return(MagickFalse);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e a d P S D I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% ReadPSDImage() reads an Adobe Photoshop image file and returns it. It
|
||
% allocates the memory necessary for the new Image structure and returns a
|
||
% pointer to the new image.
|
||
%
|
||
% The format of the ReadPSDImage method is:
|
||
%
|
||
% Image *ReadPSDImage(image_info,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
static const char *CompositeOperatorToPSDBlendMode(Image *image)
|
||
{
|
||
switch (image->compose)
|
||
{
|
||
case ColorBurnCompositeOp:
|
||
return(image->endian == LSBEndian ? "vidi" : "idiv");
|
||
case ColorDodgeCompositeOp:
|
||
return(image->endian == LSBEndian ? " vid" : "div ");
|
||
case ColorizeCompositeOp:
|
||
return(image->endian == LSBEndian ? "rloc" : "colr");
|
||
case DarkenCompositeOp:
|
||
return(image->endian == LSBEndian ? "krad" : "dark");
|
||
case DifferenceCompositeOp:
|
||
return(image->endian == LSBEndian ? "ffid" : "diff");
|
||
case DissolveCompositeOp:
|
||
return(image->endian == LSBEndian ? "ssid" : "diss");
|
||
case ExclusionCompositeOp:
|
||
return(image->endian == LSBEndian ? "dums" : "smud");
|
||
case HardLightCompositeOp:
|
||
return(image->endian == LSBEndian ? "tiLh" : "hLit");
|
||
case HardMixCompositeOp:
|
||
return(image->endian == LSBEndian ? "xiMh" : "hMix");
|
||
case HueCompositeOp:
|
||
return(image->endian == LSBEndian ? " euh" : "hue ");
|
||
case LightenCompositeOp:
|
||
return(image->endian == LSBEndian ? "etil" : "lite");
|
||
case LinearBurnCompositeOp:
|
||
return(image->endian == LSBEndian ? "nrbl" : "lbrn");
|
||
case LinearDodgeCompositeOp:
|
||
return(image->endian == LSBEndian ? "gddl" : "lddg");
|
||
case LinearLightCompositeOp:
|
||
return(image->endian == LSBEndian ? "tiLl" : "lLit");
|
||
case LuminizeCompositeOp:
|
||
return(image->endian == LSBEndian ? " mul" : "lum ");
|
||
case MultiplyCompositeOp:
|
||
return(image->endian == LSBEndian ? " lum" : "mul ");
|
||
case OverlayCompositeOp:
|
||
return(image->endian == LSBEndian ? "revo" : "over");
|
||
case PinLightCompositeOp:
|
||
return(image->endian == LSBEndian ? "tiLp" : "pLit");
|
||
case SaturateCompositeOp:
|
||
return(image->endian == LSBEndian ? " tas" : "sat ");
|
||
case ScreenCompositeOp:
|
||
return(image->endian == LSBEndian ? "nrcs" : "scrn");
|
||
case SoftLightCompositeOp:
|
||
return(image->endian == LSBEndian ? "tiLs" : "sLit");
|
||
case VividLightCompositeOp:
|
||
return(image->endian == LSBEndian ? "tiLv" : "vLit");
|
||
case OverCompositeOp:
|
||
default:
|
||
return(image->endian == LSBEndian ? "mron" : "norm");
|
||
}
|
||
}
|
||
|
||
/*
|
||
For some reason Photoshop seems to blend semi-transparent pixels with white.
|
||
This method reverts the blending. This can be disabled by setting the
|
||
option 'psd:alpha-unblend' to off.
|
||
*/
|
||
static MagickBooleanType CorrectPSDAlphaBlend(const ImageInfo *image_info,
|
||
Image *image,ExceptionInfo* exception)
|
||
{
|
||
const char
|
||
*option;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
if ((image->matte == MagickFalse) || (image->colorspace != sRGBColorspace))
|
||
return(MagickTrue);
|
||
option=GetImageOption(image_info,"psd:alpha-unblend");
|
||
if (IsStringNotFalse(option) == MagickFalse)
|
||
return(MagickTrue);
|
||
status=MagickTrue;
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static) shared(status) \
|
||
magick_number_threads(image,image,image->rows,1)
|
||
#endif
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
PixelPacket
|
||
*magick_restrict q;
|
||
|
||
ssize_t
|
||
x;
|
||
|
||
if (status == MagickFalse)
|
||
continue;
|
||
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
{
|
||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
double
|
||
gamma;
|
||
|
||
gamma=QuantumScale*GetPixelAlpha(q);
|
||
if (gamma != 0.0 && gamma != 1.0)
|
||
{
|
||
SetPixelRed(q,(GetPixelRed(q)-((1.0-gamma)*QuantumRange))/gamma);
|
||
SetPixelGreen(q,(GetPixelGreen(q)-((1.0-gamma)*QuantumRange))/gamma);
|
||
SetPixelBlue(q,(GetPixelBlue(q)-((1.0-gamma)*QuantumRange))/gamma);
|
||
}
|
||
q++;
|
||
}
|
||
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 ApplyPSDLayerOpacity(Image *image,Quantum opacity,
|
||
MagickBooleanType revert,ExceptionInfo *exception)
|
||
{
|
||
MagickBooleanType
|
||
status;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" applying layer opacity %.20g", (double) opacity);
|
||
if (opacity == QuantumRange)
|
||
return(MagickTrue);
|
||
if (image->matte != MagickTrue)
|
||
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel);
|
||
status=MagickTrue;
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static) shared(status) \
|
||
magick_number_threads(image,image,image->rows,1)
|
||
#endif
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
PixelPacket
|
||
*magick_restrict q;
|
||
|
||
ssize_t
|
||
x;
|
||
|
||
if (status == MagickFalse)
|
||
continue;
|
||
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
{
|
||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (revert == MagickFalse)
|
||
SetPixelAlpha(q,(Quantum) (QuantumScale*(GetPixelAlpha(q)*opacity)));
|
||
else if (opacity > 0)
|
||
SetPixelAlpha(q,(Quantum) (QuantumRange*(GetPixelAlpha(q)/
|
||
(MagickRealType) opacity)));
|
||
q++;
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
status=MagickFalse;
|
||
}
|
||
return(status);
|
||
}
|
||
|
||
static MagickBooleanType ApplyPSDOpacityMask(Image *image,const Image *mask,
|
||
Quantum background,MagickBooleanType revert,ExceptionInfo *exception)
|
||
{
|
||
Image
|
||
*complete_mask;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
MagickPixelPacket
|
||
color;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
if (image->matte == MagickFalse)
|
||
return(MagickTrue);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" applying opacity mask");
|
||
complete_mask=CloneImage(image,0,0,MagickTrue,exception);
|
||
if (complete_mask == (Image *) NULL)
|
||
return(MagickFalse);
|
||
complete_mask->matte=MagickTrue;
|
||
GetMagickPixelPacket(complete_mask,&color);
|
||
color.red=(MagickRealType) background;
|
||
(void) SetImageColor(complete_mask,&color);
|
||
status=CompositeImage(complete_mask,OverCompositeOp,mask,
|
||
mask->page.x-image->page.x,mask->page.y-image->page.y);
|
||
if (status == MagickFalse)
|
||
{
|
||
complete_mask=DestroyImage(complete_mask);
|
||
return(status);
|
||
}
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static) shared(status) \
|
||
magick_number_threads(image,image,image->rows,1)
|
||
#endif
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
PixelPacket
|
||
*magick_restrict q;
|
||
|
||
PixelPacket
|
||
*p;
|
||
|
||
ssize_t
|
||
x;
|
||
|
||
if (status == MagickFalse)
|
||
continue;
|
||
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
p=GetAuthenticPixels(complete_mask,0,y,complete_mask->columns,1,exception);
|
||
if ((q == (PixelPacket *) NULL) || (p == (PixelPacket *) NULL))
|
||
{
|
||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
MagickRealType
|
||
alpha,
|
||
intensity;
|
||
|
||
alpha=(MagickRealType) GetPixelAlpha(q);
|
||
intensity=GetPixelIntensity(complete_mask,p);
|
||
if (revert == MagickFalse)
|
||
SetPixelAlpha(q,ClampToQuantum(intensity*(QuantumScale*alpha)));
|
||
else if (intensity > 0)
|
||
SetPixelAlpha(q,ClampToQuantum((alpha/intensity)*QuantumRange));
|
||
q++;
|
||
p++;
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
status=MagickFalse;
|
||
}
|
||
complete_mask=DestroyImage(complete_mask);
|
||
return(status);
|
||
}
|
||
|
||
static void PreservePSDOpacityMask(Image *image,LayerInfo* layer_info,
|
||
ExceptionInfo *exception)
|
||
{
|
||
char
|
||
*key;
|
||
|
||
RandomInfo
|
||
*random_info;
|
||
|
||
StringInfo
|
||
*key_info;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" preserving opacity mask");
|
||
random_info=AcquireRandomInfo();
|
||
key_info=GetRandomKey(random_info,2+1);
|
||
key=(char *) GetStringInfoDatum(key_info);
|
||
key[8]=(char) layer_info->mask.background;
|
||
key[9]='\0';
|
||
layer_info->mask.image->page.x+=layer_info->page.x;
|
||
layer_info->mask.image->page.y+=layer_info->page.y;
|
||
(void) SetImageRegistry(ImageRegistryType,(const char *) key,
|
||
layer_info->mask.image,exception);
|
||
(void) SetImageArtifact(layer_info->image,"psd:opacity-mask",
|
||
(const char *) key);
|
||
key_info=DestroyStringInfo(key_info);
|
||
random_info=DestroyRandomInfo(random_info);
|
||
}
|
||
|
||
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;
|
||
|
||
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);
|
||
if (layer_info[i].info != (StringInfo *) NULL)
|
||
layer_info[i].info=DestroyStringInfo(layer_info[i].info);
|
||
}
|
||
|
||
return (LayerInfo *) RelinquishMagickMemory(layer_info);
|
||
}
|
||
|
||
static inline size_t GetPSDPacketSize(const Image *image)
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
if (image->colors > 256)
|
||
return(2);
|
||
}
|
||
if (image->depth > 16)
|
||
return(4);
|
||
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 StringInfo *ParseImageResourceBlocks(Image *image,
|
||
const unsigned char *blocks,size_t length,
|
||
MagickBooleanType *has_merged_image)
|
||
{
|
||
const unsigned char
|
||
*p;
|
||
|
||
ssize_t
|
||
offset;
|
||
|
||
StringInfo
|
||
*profile;
|
||
|
||
unsigned char
|
||
name_length;
|
||
|
||
unsigned int
|
||
count;
|
||
|
||
unsigned short
|
||
id,
|
||
short_sans;
|
||
|
||
if (length < 16)
|
||
return((StringInfo *) NULL);
|
||
profile=BlobToStringInfo((const void *) NULL,length);
|
||
SetStringInfoDatum(profile,blocks);
|
||
SetStringInfoName(profile,"8bim");
|
||
for (p=blocks; (p >= blocks) && (p < (blocks+length-7)); )
|
||
{
|
||
if (LocaleNCompare((const char *) p,"8BIM",4) != 0)
|
||
break;
|
||
p+=4;
|
||
p=PushShortPixel(MSBEndian,p,&id);
|
||
p=PushCharPixel(p,&name_length);
|
||
if ((name_length % 2) == 0)
|
||
name_length++;
|
||
p+=name_length;
|
||
if (p > (blocks+length-4))
|
||
break;
|
||
p=PushLongPixel(MSBEndian,p,&count);
|
||
offset=(ssize_t) count;
|
||
if (((p+offset) < blocks) || ((p+offset) > (blocks+length)))
|
||
break;
|
||
switch (id)
|
||
{
|
||
case 0x03ed:
|
||
{
|
||
char
|
||
value[MaxTextExtent];
|
||
|
||
unsigned short
|
||
resolution;
|
||
|
||
/*
|
||
Resolution info.
|
||
*/
|
||
if (offset < 16)
|
||
break;
|
||
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;
|
||
}
|
||
case 0x0421:
|
||
{
|
||
if ((offset > 4) && (*(p+4) == 0))
|
||
*has_merged_image=MagickFalse;
|
||
p+=offset;
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
p+=offset;
|
||
break;
|
||
}
|
||
}
|
||
if ((offset & 0x01) != 0)
|
||
p++;
|
||
}
|
||
return(profile);
|
||
}
|
||
|
||
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 ssize_t ReadPSDString(Image *image,char *p,const size_t length)
|
||
{
|
||
ssize_t
|
||
count;
|
||
|
||
count=ReadBlob(image,length,(unsigned char *) p);
|
||
if ((count == (ssize_t) length) && (image->endian != MSBEndian))
|
||
{
|
||
char
|
||
*q;
|
||
|
||
q=p+length;
|
||
for(--q; p < q; ++p, --q)
|
||
{
|
||
*p = *p ^ *q,
|
||
*q = *p ^ *q,
|
||
*p = *p ^ *q;
|
||
}
|
||
}
|
||
return(count);
|
||
}
|
||
|
||
static inline void SetPSDPixel(Image *image,const size_t channels,
|
||
const ssize_t type,const size_t packet_size,const Quantum pixel,PixelPacket *q,
|
||
IndexPacket *indexes,ssize_t x)
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
PixelPacket
|
||
*color;
|
||
|
||
IndexPacket
|
||
index;
|
||
|
||
index=(IndexPacket) pixel;
|
||
if (packet_size == 1)
|
||
index=(IndexPacket) ScaleQuantumToChar(index);
|
||
index=ConstrainColormapIndex(image,(ssize_t) index);
|
||
|
||
if (type == 0)
|
||
SetPixelIndex(indexes+x,index);
|
||
if ((type == 0) && (channels > 1))
|
||
return;
|
||
color=image->colormap+(ssize_t) GetPixelIndex(indexes+x);
|
||
if (type != 0)
|
||
SetPixelAlpha(color,pixel);
|
||
SetPixelRGBO(q,color);
|
||
return;
|
||
}
|
||
switch (type)
|
||
{
|
||
case -1:
|
||
{
|
||
SetPixelAlpha(q,pixel);
|
||
break;
|
||
}
|
||
case -2:
|
||
case 0:
|
||
{
|
||
SetPixelRed(q,pixel);
|
||
if ((channels < 3) || (type == -2))
|
||
{
|
||
SetPixelGreen(q,GetPixelRed(q));
|
||
SetPixelBlue(q,GetPixelRed(q));
|
||
}
|
||
break;
|
||
}
|
||
case -3:
|
||
case 1:
|
||
{
|
||
SetPixelGreen(q,pixel);
|
||
break;
|
||
}
|
||
case -4:
|
||
case 2:
|
||
{
|
||
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;
|
||
}
|
||
}
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDChannelPixels(Image *image,
|
||
const size_t channels,const ssize_t row,const ssize_t type,
|
||
const unsigned char *pixels,ExceptionInfo *exception)
|
||
{
|
||
Quantum
|
||
pixel;
|
||
|
||
const unsigned char
|
||
*p;
|
||
|
||
IndexPacket
|
||
*indexes;
|
||
|
||
PixelPacket
|
||
*q;
|
||
|
||
ssize_t
|
||
x;
|
||
|
||
size_t
|
||
packet_size;
|
||
|
||
unsigned short
|
||
nibble;
|
||
|
||
p=pixels;
|
||
q=GetAuthenticPixels(image,0,row,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
return MagickFalse;
|
||
indexes=GetAuthenticIndexQueue(image);
|
||
packet_size=GetPSDPacketSize(image);
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (packet_size == 1)
|
||
pixel=ScaleCharToQuantum(*p++);
|
||
else
|
||
if (packet_size == 2)
|
||
{
|
||
p=PushShortPixel(MSBEndian,p,&nibble);
|
||
pixel=ScaleShortToQuantum(nibble);
|
||
}
|
||
else
|
||
{
|
||
MagickFloatType
|
||
nibble;
|
||
|
||
p=PushFloatPixel(MSBEndian,p,&nibble);
|
||
pixel=ClampToQuantum((MagickRealType)QuantumRange*nibble);
|
||
}
|
||
if (image->depth > 1)
|
||
{
|
||
SetPSDPixel(image,channels,type,packet_size,pixel,q,indexes,x);
|
||
q++;
|
||
}
|
||
else
|
||
{
|
||
ssize_t
|
||
bit,
|
||
number_bits;
|
||
|
||
number_bits=(ssize_t) 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++,indexes,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
|
||
row_size;
|
||
|
||
ssize_t
|
||
count,
|
||
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);
|
||
(void) memset(pixels,0,row_size*sizeof(*pixels));
|
||
status=MagickTrue;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
status=MagickFalse;
|
||
|
||
count=ReadBlob(image,row_size,pixels);
|
||
if (count != (ssize_t) row_size)
|
||
{
|
||
status=MagickFalse;
|
||
break;
|
||
}
|
||
|
||
status=ReadPSDChannelPixels(image,channels,y,type,pixels,exception);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
return(status);
|
||
}
|
||
|
||
static inline MagickOffsetType *ReadPSDRLESizes(Image *image,
|
||
const PSDInfo *psd_info,const size_t size)
|
||
{
|
||
MagickOffsetType
|
||
*sizes;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
sizes=(MagickOffsetType *) AcquireQuantumMemory(size,sizeof(*sizes));
|
||
if(sizes != (MagickOffsetType *) NULL)
|
||
{
|
||
for (y=0; y < (ssize_t) size; y++)
|
||
{
|
||
if (psd_info->version == 1)
|
||
sizes[y]=(MagickOffsetType) ReadBlobShort(image);
|
||
else
|
||
sizes[y]=(MagickOffsetType) ReadBlobLong(image);
|
||
}
|
||
}
|
||
return sizes;
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDChannelRLE(Image *image,const PSDInfo *psd_info,
|
||
const ssize_t type,MagickOffsetType *sizes,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 < sizes[y])
|
||
length=(size_t) sizes[y];
|
||
|
||
if (length > (row_size+2048))
|
||
{
|
||
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) memset(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) sizes[y],compact_pixels);
|
||
if (count != (ssize_t) sizes[y])
|
||
break;
|
||
|
||
count=DecodePSDPixels((size_t) sizes[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;
|
||
|
||
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");
|
||
|
||
if ((MagickSizeType) compact_size > GetBlobSize(image))
|
||
ThrowBinaryException(CorruptImageError,"UnexpectedEndOfFile",
|
||
image->filename);
|
||
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);
|
||
}
|
||
if (ReadBlob(image,compact_size,compact_pixels) != (ssize_t) compact_size)
|
||
{
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
|
||
ThrowBinaryException(CorruptImageError,"UnexpectedEndOfFile",
|
||
image->filename);
|
||
}
|
||
|
||
memset(&stream,0,sizeof(stream));
|
||
stream.data_type=Z_BINARY;
|
||
stream.next_in=(Bytef *)compact_pixels;
|
||
stream.avail_in=(uInt) compact_size;
|
||
stream.next_out=(Bytef *)pixels;
|
||
stream.avail_out=(uInt) 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))
|
||
{
|
||
(void) inflateEnd(&stream);
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(
|
||
compact_pixels);
|
||
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
||
return(MagickFalse);
|
||
}
|
||
if (ret == Z_STREAM_END)
|
||
break;
|
||
}
|
||
(void) inflateEnd(&stream);
|
||
}
|
||
|
||
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 ImageInfo *image_info,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) &&
|
||
(layer_info->mask.page.width > 0) && (layer_info->mask.page.height > 0))
|
||
{
|
||
const char
|
||
*option;
|
||
|
||
/*
|
||
Ignore mask that is not a user supplied layer mask, if the mask is
|
||
disabled or if the flags have unsupported values.
|
||
*/
|
||
option=GetImageOption(image_info,"psd:preserve-opacity-mask");
|
||
if ((layer_info->channel_info[channel].type != -2) ||
|
||
(layer_info->mask.flags > 2) || ((layer_info->mask.flags & 0x02) &&
|
||
(IsStringTrue(option) == MagickFalse)))
|
||
{
|
||
(void) SeekBlob(image,(MagickOffsetType)
|
||
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);
|
||
if (mask != (Image *) NULL)
|
||
{
|
||
(void) ResetImagePixels(mask,exception);
|
||
mask->matte=MagickFalse;
|
||
channel_image=mask;
|
||
}
|
||
}
|
||
|
||
offset=TellBlob(image);
|
||
status=MagickFalse;
|
||
switch(compression)
|
||
{
|
||
case Raw:
|
||
status=ReadPSDChannelRaw(channel_image,psd_info->channels,
|
||
(ssize_t) layer_info->channel_info[channel].type,exception);
|
||
break;
|
||
case RLE:
|
||
{
|
||
MagickOffsetType
|
||
*sizes;
|
||
|
||
sizes=ReadPSDRLESizes(channel_image,psd_info,channel_image->rows);
|
||
if (sizes == (MagickOffsetType *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
status=ReadPSDChannelRLE(channel_image,psd_info,
|
||
(ssize_t) layer_info->channel_info[channel].type,sizes,exception);
|
||
sizes=(MagickOffsetType *) RelinquishMagickMemory(sizes);
|
||
}
|
||
break;
|
||
case ZipWithPrediction:
|
||
case ZipWithoutPrediction:
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
status=ReadPSDChannelZip(channel_image,layer_info->channels,
|
||
(ssize_t) 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;
|
||
}
|
||
|
||
(void) SeekBlob(image,offset+layer_info->channel_info[channel].size-2,
|
||
SEEK_SET);
|
||
if (status == MagickFalse)
|
||
{
|
||
if (mask != (Image *) NULL)
|
||
(void) DestroyImage(mask);
|
||
ThrowBinaryException(CoderError,"UnableToDecompressImage",
|
||
image->filename);
|
||
}
|
||
if (mask != (Image *) NULL)
|
||
{
|
||
if (layer_info->mask.image != (Image *) NULL)
|
||
layer_info->mask.image=DestroyImage(layer_info->mask.image);
|
||
layer_info->mask.image=mask;
|
||
}
|
||
return(status);
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDLayer(Image *image,const ImageInfo *image_info,
|
||
const PSDInfo *psd_info,LayerInfo* layer_info,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
message[MaxTextExtent];
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
PSDCompressionType
|
||
compression;
|
||
|
||
ssize_t
|
||
j;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" setting up new layer image");
|
||
if (psd_info->mode != IndexedMode)
|
||
(void) SetImageBackgroundColor(layer_info->image);
|
||
layer_info->image->compose=PSDBlendModeToCompositeOperator(
|
||
layer_info->blendkey);
|
||
if (layer_info->visible == MagickFalse)
|
||
{
|
||
layer_info->image->compose=NoCompositeOp;
|
||
(void) SetImageArtifact(layer_info->image,"psd:layer.invisible","true");
|
||
}
|
||
if (psd_info->mode == CMYKMode)
|
||
(void) SetImageColorspace(layer_info->image,CMYKColorspace);
|
||
else if ((psd_info->mode == BitmapMode) || (psd_info->mode == DuotoneMode) ||
|
||
(psd_info->mode == GrayscaleMode))
|
||
(void) SetImageColorspace(layer_info->image,GRAYColorspace);
|
||
/*
|
||
Set up some hidden attributes for folks that need them.
|
||
*/
|
||
(void) FormatLocaleString(message,MaxTextExtent,"%.20g",
|
||
(double) layer_info->page.x);
|
||
(void) SetImageArtifact(layer_info->image,"psd:layer.x",message);
|
||
(void) FormatLocaleString(message,MaxTextExtent,"%.20g",
|
||
(double) layer_info->page.y);
|
||
(void) SetImageArtifact(layer_info->image,"psd:layer.y",message);
|
||
(void) FormatLocaleString(message,MaxTextExtent,"%.20g",(double)
|
||
layer_info->opacity);
|
||
(void) SetImageArtifact(layer_info->image,"psd:layer.opacity",message);
|
||
(void) SetImageProperty(layer_info->image,"label",(char *) layer_info->name);
|
||
|
||
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);
|
||
if ((compression == ZipWithPrediction) && (image->depth == 32))
|
||
{
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
TypeError,"CompressionNotSupported","ZipWithPrediction(32 bit)");
|
||
return(MagickFalse);
|
||
}
|
||
|
||
layer_info->image->compression=ConvertPSDCompression(compression);
|
||
if (layer_info->channel_info[j].type == -1)
|
||
layer_info->image->matte=MagickTrue;
|
||
|
||
status=ReadPSDChannel(layer_info->image,image_info,psd_info,layer_info,
|
||
(size_t) j,compression,exception);
|
||
InheritException(exception,&layer_info->image->exception);
|
||
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
|
||
if (status != MagickFalse)
|
||
status=ApplyPSDLayerOpacity(layer_info->image,layer_info->opacity,
|
||
MagickFalse,exception);
|
||
|
||
if ((status != MagickFalse) &&
|
||
(layer_info->image->colorspace == CMYKColorspace))
|
||
status=NegateImage(layer_info->image,MagickFalse);
|
||
|
||
if ((status != MagickFalse) && (layer_info->mask.image != (Image *) NULL))
|
||
{
|
||
const char
|
||
*option;
|
||
|
||
layer_info->mask.image->page.x=layer_info->mask.page.x;
|
||
layer_info->mask.image->page.y=layer_info->mask.page.y;
|
||
/* Do not composite the mask when it is disabled */
|
||
if ((layer_info->mask.flags & 0x02) == 0x02)
|
||
layer_info->mask.image->compose=NoCompositeOp;
|
||
else
|
||
status=ApplyPSDOpacityMask(layer_info->image,layer_info->mask.image,
|
||
layer_info->mask.background == 0 ? 0 : QuantumRange,MagickFalse,
|
||
exception);
|
||
option=GetImageOption(image_info,"psd:preserve-opacity-mask");
|
||
if (IsStringTrue(option) != MagickFalse)
|
||
PreservePSDOpacityMask(image,layer_info,exception);
|
||
layer_info->mask.image=DestroyImage(layer_info->mask.image);
|
||
}
|
||
|
||
return(status);
|
||
}
|
||
|
||
static MagickBooleanType CheckPSDChannels(const PSDInfo *psd_info,
|
||
LayerInfo *layer_info)
|
||
{
|
||
int
|
||
channel_type;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
if (layer_info->channels < psd_info->min_channels)
|
||
return(MagickFalse);
|
||
channel_type=RedChannel;
|
||
if (psd_info->min_channels >= 3)
|
||
channel_type|=(GreenChannel | BlueChannel);
|
||
if (psd_info->min_channels >= 4)
|
||
channel_type|=BlackChannel;
|
||
for (i=0; i < (ssize_t) layer_info->channels; i++)
|
||
{
|
||
short
|
||
type;
|
||
|
||
type=layer_info->channel_info[i].type;
|
||
if ((i == 0) && (psd_info->mode == IndexedMode) && (type != 0))
|
||
return(MagickFalse);
|
||
if (type == -1)
|
||
{
|
||
channel_type|=AlphaChannel;
|
||
continue;
|
||
}
|
||
if (type < -1)
|
||
continue;
|
||
if (type == 0)
|
||
channel_type&=~RedChannel;
|
||
else if (type == 1)
|
||
channel_type&=~GreenChannel;
|
||
else if (type == 2)
|
||
channel_type&=~BlueChannel;
|
||
else if (type == 3)
|
||
channel_type&=~BlackChannel;
|
||
}
|
||
if (channel_type == 0)
|
||
return(MagickTrue);
|
||
if ((channel_type == AlphaChannel) &&
|
||
(layer_info->channels >= psd_info->min_channels + 1))
|
||
return(MagickTrue);
|
||
return(MagickFalse);
|
||
}
|
||
|
||
static void CheckMergedImageAlpha(const PSDInfo *psd_info,Image *image)
|
||
{
|
||
/*
|
||
The number of layers cannot be used to determine if the merged image
|
||
contains an alpha channel. So we enable it when we think we should.
|
||
*/
|
||
if (((psd_info->mode == GrayscaleMode) && (psd_info->channels > 1)) ||
|
||
((psd_info->mode == RGBMode) && (psd_info->channels > 3)) ||
|
||
((psd_info->mode == CMYKMode) && (psd_info->channels > 4)))
|
||
image->matte=MagickTrue;
|
||
}
|
||
|
||
static MagickSizeType GetLayerInfoSize(const PSDInfo *psd_info,Image *image)
|
||
{
|
||
char
|
||
type[4];
|
||
|
||
MagickSizeType
|
||
size;
|
||
|
||
ssize_t
|
||
count;
|
||
|
||
size=GetPSDSize(psd_info,image);
|
||
if (size != 0)
|
||
return(size);
|
||
(void) ReadBlobLong(image);
|
||
count=ReadPSDString(image,type,4);
|
||
if ((count != 4) || (LocaleNCompare(type,"8BIM",4) != 0))
|
||
return(0);
|
||
count=ReadPSDString(image,type,4);
|
||
if ((count == 4) && ((LocaleNCompare(type,"Mt16",4) == 0) ||
|
||
(LocaleNCompare(type,"Mt32",4) == 0) ||
|
||
(LocaleNCompare(type,"Mtrn",4) == 0)))
|
||
{
|
||
size=GetPSDSize(psd_info,image);
|
||
if (size != 0)
|
||
return(0);
|
||
image->matte=MagickTrue;
|
||
count=ReadPSDString(image,type,4);
|
||
if ((count != 4) || (LocaleNCompare(type,"8BIM",4) != 0))
|
||
return(0);
|
||
count=ReadPSDString(image,type,4);
|
||
}
|
||
if ((count == 4) && ((LocaleNCompare(type,"Lr16",4) == 0) ||
|
||
(LocaleNCompare(type,"Lr32",4) == 0)))
|
||
size=GetPSDSize(psd_info,image);
|
||
return(size);
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDLayersInternal(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;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
ssize_t
|
||
count,
|
||
j,
|
||
number_layers;
|
||
|
||
size=GetLayerInfoSize(psd_info,image);
|
||
status=MagickTrue;
|
||
if (size != 0)
|
||
{
|
||
layer_info=(LayerInfo *) NULL;
|
||
number_layers=(ssize_t) ReadBlobSignedShort(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->matte=MagickTrue;
|
||
}
|
||
|
||
/*
|
||
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) memset(layer_info,0,(size_t) number_layers*sizeof(*layer_info));
|
||
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
ssize_t
|
||
top,
|
||
left,
|
||
bottom,
|
||
right;
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading layer #%.20g",(double) i+1);
|
||
top=(ssize_t) ReadBlobSignedLong(image);
|
||
left=(ssize_t) ReadBlobSignedLong(image);
|
||
bottom=(ssize_t) ReadBlobSignedLong(image);
|
||
right=(ssize_t) ReadBlobSignedLong(image);
|
||
if ((right < left) || (bottom < top))
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,"ImproperImageHeader",
|
||
image->filename);
|
||
}
|
||
layer_info[i].page.y=top;
|
||
layer_info[i].page.x=left;
|
||
layer_info[i].page.width=(size_t) (right-left);
|
||
layer_info[i].page.height=(size_t) (bottom-top);
|
||
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);
|
||
if ((layer_info[i].channel_info[j].type < -4) ||
|
||
(layer_info[i].channel_info[j].type > 4))
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,"NoSuchImageChannel",
|
||
image->filename);
|
||
}
|
||
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);
|
||
}
|
||
if (CheckPSDChannels(psd_info,&layer_info[i]) == MagickFalse)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,"ImproperImageHeader",
|
||
image->filename);
|
||
}
|
||
count=ReadPSDString(image,type,4);
|
||
if ((count != 4) || (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=ReadPSDString(image,layer_info[i].blendkey,4);
|
||
if (count != 4)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,"ImproperImageHeader",
|
||
image->filename);
|
||
}
|
||
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=(ssize_t) ReadBlobSignedLong(image);
|
||
layer_info[i].mask.page.x=(ssize_t) ReadBlobSignedLong(image);
|
||
layer_info[i].mask.page.height=(size_t) (
|
||
ReadBlobSignedLong(image)-layer_info[i].mask.page.y);
|
||
layer_info[i].mask.page.width=(size_t) (
|
||
ReadBlobSignedLong(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));
|
||
if (DiscardBlobBytes(image,length) == MagickFalse)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
}
|
||
}
|
||
/*
|
||
Layer name.
|
||
*/
|
||
length=(MagickSizeType) (unsigned char) 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);
|
||
if ((length % 4) != 0)
|
||
{
|
||
length=4-(length % 4);
|
||
combined_length+=length;
|
||
/* Skip over the padding of the layer name */
|
||
if (DiscardBlobBytes(image,length) == MagickFalse)
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,
|
||
"UnexpectedEndOfFile",image->filename);
|
||
}
|
||
}
|
||
length=(MagickSizeType) size-combined_length;
|
||
if (length > 0)
|
||
{
|
||
unsigned char
|
||
*info;
|
||
|
||
if (length > GetBlobSize(image))
|
||
{
|
||
layer_info=DestroyLayerInfo(layer_info,number_layers);
|
||
ThrowBinaryException(CorruptImageError,
|
||
"InsufficientImageDataInFile",image->filename);
|
||
}
|
||
layer_info[i].info=AcquireStringInfo((const size_t) length);
|
||
info=GetStringInfoDatum(layer_info[i].info);
|
||
(void) ReadBlob(image,(const size_t) length,info);
|
||
}
|
||
}
|
||
}
|
||
|
||
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");
|
||
if (layer_info[i].info != (StringInfo *) NULL)
|
||
layer_info[i].info=DestroyStringInfo(layer_info[i].info);
|
||
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 (layer_info[i].info != (StringInfo *) NULL)
|
||
{
|
||
(void) SetImageProfile(layer_info[i].image,"psd:additional-info",
|
||
layer_info[i].info);
|
||
layer_info[i].info=DestroyStringInfo(layer_info[i].info);
|
||
}
|
||
}
|
||
|
||
if (image_info->ping == MagickFalse)
|
||
{
|
||
for (i=0; i < number_layers; i++)
|
||
{
|
||
if (layer_info[i].image == (Image *) NULL)
|
||
{
|
||
for (j=0; j < (ssize_t) 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,image_info,psd_info,&layer_info[i],
|
||
exception);
|
||
if (status == MagickFalse)
|
||
break;
|
||
|
||
status=SetImageProgress(image,LoadImagesTag,(MagickOffsetType) 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);
|
||
}
|
||
|
||
ModuleExport MagickBooleanType ReadPSDLayers(Image *image,
|
||
const ImageInfo *image_info,const PSDInfo *psd_info,
|
||
const MagickBooleanType skip_layers,ExceptionInfo *exception)
|
||
{
|
||
PolicyDomain
|
||
domain;
|
||
|
||
PolicyRights
|
||
rights;
|
||
|
||
domain=CoderPolicyDomain;
|
||
rights=ReadPolicyRights;
|
||
if (IsRightsAuthorized(domain,rights,"PSD") == MagickFalse)
|
||
return(MagickFalse);
|
||
return(ReadPSDLayersInternal(image,image_info,psd_info,skip_layers,
|
||
exception));
|
||
}
|
||
|
||
static MagickBooleanType ReadPSDMergedImage(const ImageInfo *image_info,
|
||
Image* image,const PSDInfo* psd_info,ExceptionInfo *exception)
|
||
{
|
||
MagickOffsetType
|
||
*sizes;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
PSDCompressionType
|
||
compression;
|
||
|
||
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);
|
||
}
|
||
|
||
sizes=(MagickOffsetType *) NULL;
|
||
if (compression == RLE)
|
||
{
|
||
sizes=ReadPSDRLESizes(image,psd_info,image->rows*psd_info->channels);
|
||
if (sizes == (MagickOffsetType *) NULL)
|
||
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
|
||
image->filename);
|
||
}
|
||
|
||
status=MagickTrue;
|
||
for (i=0; i < (ssize_t) psd_info->channels; i++)
|
||
{
|
||
ssize_t
|
||
type;
|
||
|
||
type=i;
|
||
if ((type == 1) && (psd_info->channels == 2))
|
||
type=-1;
|
||
|
||
if (compression == RLE)
|
||
status=ReadPSDChannelRLE(image,psd_info,type,sizes+(i*image->rows),
|
||
exception);
|
||
else
|
||
status=ReadPSDChannelRaw(image,psd_info->channels,type,exception);
|
||
|
||
if (status != MagickFalse)
|
||
status=SetImageProgress(image,LoadImagesTag,(MagickOffsetType) i,
|
||
psd_info->channels);
|
||
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
|
||
if ((status != MagickFalse) && (image->colorspace == CMYKColorspace))
|
||
status=NegateImage(image,MagickFalse);
|
||
|
||
if (status != MagickFalse)
|
||
status=CorrectPSDAlphaBlend(image_info,image,exception);
|
||
|
||
sizes=(MagickOffsetType *) RelinquishMagickMemory(sizes);
|
||
|
||
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;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
size_t
|
||
image_list_length;
|
||
|
||
ssize_t
|
||
count;
|
||
|
||
StringInfo
|
||
*profile;
|
||
|
||
/*
|
||
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);
|
||
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 != 4) || (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 < 1)
|
||
ThrowReaderException(CorruptImageError,"MissingImageChannel");
|
||
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) && (psd_info.depth != 32))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
psd_info.mode=ReadBlobMSBShort(image);
|
||
if ((psd_info.mode == IndexedMode) && (psd_info.channels > 3))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
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));
|
||
if (EOFBlob(image) != MagickFalse)
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
/*
|
||
Initialize image.
|
||
*/
|
||
image->depth=psd_info.depth;
|
||
image->columns=psd_info.columns;
|
||
image->rows=psd_info.rows;
|
||
status=SetImageExtent(image,image->columns,image->rows);
|
||
if (status == MagickFalse)
|
||
{
|
||
InheritException(exception,&image->exception);
|
||
return(DestroyImageList(image));
|
||
}
|
||
status=ResetImagePixels(image,exception);
|
||
if (status == MagickFalse)
|
||
{
|
||
InheritException(exception,&image->exception);
|
||
return(DestroyImageList(image));
|
||
}
|
||
psd_info.min_channels=3;
|
||
if (psd_info.mode == LabMode)
|
||
(void) SetImageColorspace(image,LabColorspace);
|
||
if (psd_info.mode == CMYKMode)
|
||
{
|
||
psd_info.min_channels=4;
|
||
(void) SetImageColorspace(image,CMYKColorspace);
|
||
}
|
||
else
|
||
if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) ||
|
||
(psd_info.mode == DuotoneMode))
|
||
{
|
||
if (psd_info.depth != 32)
|
||
{
|
||
status=AcquireImageColormap(image,MagickMin((size_t)
|
||
(psd_info.depth < 16 ? 256 : 65536), MaxColormapSize));
|
||
if (status == MagickFalse)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Image colormap allocated");
|
||
}
|
||
psd_info.min_channels=1;
|
||
(void) SetImageColorspace(image,GRAYColorspace);
|
||
}
|
||
if (psd_info.channels < psd_info.min_channels)
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
/*
|
||
Read PSD raster colormap only present for indexed and duotone images.
|
||
*/
|
||
length=ReadBlobMSBLong(image);
|
||
if ((psd_info.mode == IndexedMode) && (length < 3))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
if (length != 0)
|
||
{
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" reading colormap");
|
||
if ((psd_info.mode == DuotoneMode) || (psd_info.depth == 32))
|
||
{
|
||
/*
|
||
Duotone image data; the format of this data is undocumented.
|
||
*/
|
||
(void) SeekBlob(image,(const MagickOffsetType) length,SEEK_CUR);
|
||
}
|
||
else
|
||
{
|
||
size_t
|
||
number_colors;
|
||
|
||
/*
|
||
Read PSD raster colormap.
|
||
*/
|
||
number_colors=(size_t) length/3;
|
||
if (number_colors > 65536)
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
if (AcquireImageColormap(image,number_colors) == 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;
|
||
}
|
||
}
|
||
if ((image->depth == 1) && (image->storage_class != PseudoClass))
|
||
ThrowReaderException(CorruptImageError, "ImproperImageHeader");
|
||
has_merged_image=MagickTrue;
|
||
profile=(StringInfo *) NULL;
|
||
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));
|
||
if (length > GetBlobSize(image))
|
||
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
||
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");
|
||
}
|
||
profile=ParseImageResourceBlocks(image,blocks,(size_t) length,
|
||
&has_merged_image);
|
||
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 (ReadPSDLayersInternal(image,image_info,&psd_info,skip_layers,
|
||
exception) != MagickTrue)
|
||
{
|
||
if (profile != (StringInfo *) NULL)
|
||
profile=DestroyStringInfo(profile);
|
||
(void) CloseBlob(image);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
/*
|
||
Skip the rest of the layer and mask information.
|
||
*/
|
||
(void) SeekBlob(image,offset+length,SEEK_SET);
|
||
}
|
||
/*
|
||
If we are only "pinging" the image, then we're done - so return.
|
||
*/
|
||
if (EOFBlob(image) != MagickFalse)
|
||
{
|
||
if (profile != (StringInfo *) NULL)
|
||
profile=DestroyStringInfo(profile);
|
||
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
|
||
}
|
||
if (image_info->ping != MagickFalse)
|
||
{
|
||
if (profile != (StringInfo *) NULL)
|
||
profile=DestroyStringInfo(profile);
|
||
(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");
|
||
image_list_length=GetImageListLength(image);
|
||
if (has_merged_image != MagickFalse || image_list_length == 1)
|
||
has_merged_image=(MagickBooleanType) ReadPSDMergedImage(image_info,image,
|
||
&psd_info,exception);
|
||
if ((has_merged_image == MagickFalse) && (image_list_length == 1) &&
|
||
(length != 0))
|
||
{
|
||
(void) SeekBlob(image,offset,SEEK_SET);
|
||
status=ReadPSDLayersInternal(image,image_info,&psd_info,MagickFalse,
|
||
exception);
|
||
if (status != MagickTrue)
|
||
{
|
||
if (profile != (StringInfo *) NULL)
|
||
profile=DestroyStringInfo(profile);
|
||
(void) CloseBlob(image);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
image_list_length=GetImageListLength(image);
|
||
}
|
||
if (has_merged_image == MagickFalse)
|
||
{
|
||
Image
|
||
*merged;
|
||
|
||
if (image_list_length == 1)
|
||
{
|
||
if (profile != (StringInfo *) NULL)
|
||
profile=DestroyStringInfo(profile);
|
||
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
||
}
|
||
image->background_color.opacity=TransparentOpacity;
|
||
(void) SetImageBackgroundColor(image);
|
||
merged=MergeImageLayers(image,FlattenLayer,exception);
|
||
if (merged == (Image *) NULL)
|
||
{
|
||
(void) CloseBlob(image);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
ReplaceImageInList(&image,merged);
|
||
}
|
||
if (profile != (StringInfo *) NULL)
|
||
{
|
||
Image
|
||
*next;
|
||
|
||
next=image;
|
||
while (next != (Image *) NULL)
|
||
{
|
||
(void) SetImageProfile(next,GetStringInfoName(profile),profile);
|
||
next=next->next;
|
||
}
|
||
profile=DestroyStringInfo(profile);
|
||
}
|
||
(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->magick_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->magick_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 int) offset));
|
||
}
|
||
|
||
static inline ssize_t WritePSDOffset(const PSDInfo *psd_info,Image *image,
|
||
const MagickSizeType size,const MagickOffsetType offset)
|
||
{
|
||
MagickOffsetType
|
||
current_offset;
|
||
|
||
ssize_t
|
||
result;
|
||
|
||
current_offset=TellBlob(image);
|
||
(void) SeekBlob(image,offset,SEEK_SET);
|
||
if (psd_info->version == 1)
|
||
result=WriteBlobMSBShort(image,(unsigned short) size);
|
||
else
|
||
result=WriteBlobMSBLong(image,(unsigned int) size);
|
||
(void) SeekBlob(image,current_offset,SEEK_SET);
|
||
return(result);
|
||
}
|
||
|
||
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 inline ssize_t WritePSDSize(const PSDInfo *psd_info,Image *image,
|
||
const MagickSizeType size,const MagickOffsetType offset)
|
||
{
|
||
MagickOffsetType
|
||
current_offset;
|
||
|
||
ssize_t
|
||
result;
|
||
|
||
current_offset=TellBlob(image);
|
||
(void) SeekBlob(image,offset,SEEK_SET);
|
||
if (psd_info->version == 1)
|
||
result=WriteBlobMSBLong(image,(unsigned int) size);
|
||
else
|
||
result=WriteBlobMSBLongLong(image,size);
|
||
(void) SeekBlob(image,current_offset,SEEK_SET);
|
||
return(result);
|
||
}
|
||
|
||
static size_t PSDPackbitsEncodeImage(Image *image,const size_t length,
|
||
const unsigned char *pixels,unsigned char *compact_pixels)
|
||
{
|
||
int
|
||
count;
|
||
|
||
ssize_t
|
||
i,
|
||
j;
|
||
|
||
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);
|
||
assert(compact_pixels != (unsigned char *) NULL);
|
||
packbits=(unsigned char *) AcquireQuantumMemory(128UL,sizeof(*packbits));
|
||
if (packbits == (unsigned char *) NULL)
|
||
ThrowBinaryImageException(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 size_t WriteCompressionStart(const PSDInfo *psd_info,Image *image,
|
||
const Image *next_image,const ssize_t channels)
|
||
{
|
||
ssize_t
|
||
i,
|
||
offset,
|
||
y;
|
||
|
||
if (next_image->compression == RLECompression)
|
||
{
|
||
offset=WriteBlobMSBShort(image,RLE);
|
||
for (i=0; i < channels; i++)
|
||
for (y=0; y < (ssize_t) next_image->rows; y++)
|
||
offset+=SetPSDOffset(psd_info,image,0);
|
||
}
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
else if (next_image->compression == ZipCompression)
|
||
offset=WriteBlobMSBShort(image,ZipWithoutPrediction);
|
||
#endif
|
||
else
|
||
offset=WriteBlobMSBShort(image,Raw);
|
||
return((size_t) offset);
|
||
}
|
||
|
||
static size_t WritePSDChannel(const PSDInfo *psd_info,
|
||
const ImageInfo *image_info,Image *image,Image *next_image,
|
||
const QuantumType quantum_type, unsigned char *compact_pixels,
|
||
MagickOffsetType size_offset,const MagickBooleanType separate)
|
||
{
|
||
MagickBooleanType
|
||
monochrome;
|
||
|
||
QuantumInfo
|
||
*quantum_info;
|
||
|
||
const PixelPacket
|
||
*p;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
size_t
|
||
count,
|
||
length;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
unsigned char
|
||
*pixels;
|
||
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
|
||
int
|
||
flush,
|
||
level;
|
||
|
||
unsigned char
|
||
*compressed_pixels;
|
||
|
||
z_stream
|
||
stream;
|
||
|
||
compressed_pixels=(unsigned char *) NULL;
|
||
flush=Z_NO_FLUSH;
|
||
#endif
|
||
count=0;
|
||
if (separate != MagickFalse)
|
||
{
|
||
size_offset=TellBlob(image)+2;
|
||
count+=WriteCompressionStart(psd_info,image,next_image,1);
|
||
}
|
||
if (next_image->depth > 8)
|
||
next_image->depth=16;
|
||
monochrome=IsMonochromeImage(image,&image->exception) && (image->depth == 1)
|
||
? MagickTrue : MagickFalse;
|
||
quantum_info=AcquireQuantumInfo(image_info,next_image);
|
||
if (quantum_info == (QuantumInfo *) NULL)
|
||
return(0);
|
||
pixels=GetQuantumPixels(quantum_info);
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
if (next_image->compression == ZipCompression)
|
||
{
|
||
compressed_pixels=(unsigned char *) AcquireQuantumMemory(
|
||
MagickMinBufferExtent,sizeof(*compressed_pixels));
|
||
if (compressed_pixels == (unsigned char *) NULL)
|
||
{
|
||
quantum_info=DestroyQuantumInfo(quantum_info);
|
||
return(0);
|
||
}
|
||
memset(&stream,0,sizeof(stream));
|
||
stream.data_type=Z_BINARY;
|
||
level=Z_DEFAULT_COMPRESSION;
|
||
if ((image_info->quality > 0 && image_info->quality < 10))
|
||
level=(int) image_info->quality;
|
||
if (deflateInit(&stream,level) != Z_OK)
|
||
{
|
||
quantum_info=DestroyQuantumInfo(quantum_info);
|
||
compressed_pixels=(unsigned char *) RelinquishMagickMemory(
|
||
compressed_pixels);
|
||
return(0);
|
||
}
|
||
}
|
||
#endif
|
||
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)
|
||
{
|
||
length=PSDPackbitsEncodeImage(image,length,pixels,compact_pixels);
|
||
count+=WriteBlob(image,length,compact_pixels);
|
||
size_offset+=WritePSDOffset(psd_info,image,length,size_offset);
|
||
}
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
else if (next_image->compression == ZipCompression)
|
||
{
|
||
stream.avail_in=(uInt) length;
|
||
stream.next_in=(Bytef *) pixels;
|
||
if (y == (ssize_t) next_image->rows-1)
|
||
flush=Z_FINISH;
|
||
do {
|
||
stream.avail_out=(uInt) MagickMinBufferExtent;
|
||
stream.next_out=(Bytef *) compressed_pixels;
|
||
if (deflate(&stream,flush) == Z_STREAM_ERROR)
|
||
break;
|
||
length=(size_t) MagickMinBufferExtent-stream.avail_out;
|
||
if (length > 0)
|
||
count+=WriteBlob(image,length,compressed_pixels);
|
||
} while (stream.avail_out == 0);
|
||
}
|
||
#endif
|
||
else
|
||
count+=WriteBlob(image,length,pixels);
|
||
}
|
||
#ifdef MAGICKCORE_ZLIB_DELEGATE
|
||
if (next_image->compression == ZipCompression)
|
||
{
|
||
(void) deflateEnd(&stream);
|
||
compressed_pixels=(unsigned char *) RelinquishMagickMemory(
|
||
compressed_pixels);
|
||
}
|
||
#endif
|
||
quantum_info=DestroyQuantumInfo(quantum_info);
|
||
return(count);
|
||
}
|
||
|
||
static unsigned char *AcquireCompactPixels(Image *image)
|
||
{
|
||
size_t
|
||
packet_size;
|
||
|
||
unsigned char
|
||
*compact_pixels;
|
||
|
||
packet_size=image->depth > 8UL ? 2UL : 1UL;
|
||
compact_pixels=(unsigned char *) AcquireQuantumMemory((9*
|
||
image->columns)+1,packet_size*sizeof(*compact_pixels));
|
||
if (compact_pixels == (unsigned char *) NULL)
|
||
{
|
||
(void) ThrowMagickException(&image->exception,GetMagickModule(),
|
||
ResourceLimitError,"MemoryAllocationFailed","`%s'",
|
||
image->filename);
|
||
}
|
||
return(compact_pixels);
|
||
}
|
||
|
||
static ssize_t WritePSDChannels(const PSDInfo *psd_info,
|
||
const ImageInfo *image_info,Image *image,Image *next_image,
|
||
MagickOffsetType size_offset,const MagickBooleanType separate)
|
||
{
|
||
Image
|
||
*mask;
|
||
|
||
MagickOffsetType
|
||
rows_offset;
|
||
|
||
size_t
|
||
channels,
|
||
length,
|
||
offset_length;
|
||
|
||
ssize_t
|
||
count;
|
||
|
||
unsigned char
|
||
*compact_pixels;
|
||
|
||
count=0;
|
||
offset_length=0;
|
||
rows_offset=0;
|
||
compact_pixels=(unsigned char *) NULL;
|
||
if (next_image->compression == RLECompression)
|
||
{
|
||
compact_pixels=AcquireCompactPixels(next_image);
|
||
if (compact_pixels == (unsigned char *) NULL)
|
||
return(0);
|
||
}
|
||
channels=1;
|
||
if (separate == MagickFalse)
|
||
{
|
||
if ((next_image->storage_class != PseudoClass) ||
|
||
(IsGrayImage(next_image,&next_image->exception) != MagickFalse))
|
||
{
|
||
if (IsGrayImage(next_image,&next_image->exception) == MagickFalse)
|
||
channels=(size_t) (next_image->colorspace == CMYKColorspace ?
|
||
4 : 3);
|
||
if (next_image->matte != MagickFalse)
|
||
channels++;
|
||
}
|
||
rows_offset=TellBlob(image)+2;
|
||
count+=WriteCompressionStart(psd_info,image,next_image,(ssize_t)
|
||
channels);
|
||
offset_length=(next_image->rows*(psd_info->version == 1 ? 2 : 4));
|
||
}
|
||
size_offset+=2;
|
||
if ((next_image->storage_class == PseudoClass) &&
|
||
(IsGrayImage(next_image,&next_image->exception) == MagickFalse))
|
||
{
|
||
length=WritePSDChannel(psd_info,image_info,image,next_image,
|
||
IndexQuantum,compact_pixels,rows_offset,separate);
|
||
if (separate != MagickFalse)
|
||
size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2;
|
||
else
|
||
rows_offset+=offset_length;
|
||
count+=length;
|
||
}
|
||
else
|
||
{
|
||
if (IsGrayImage(next_image,&next_image->exception) != MagickFalse)
|
||
{
|
||
length=WritePSDChannel(psd_info,image_info,image,next_image,
|
||
GrayQuantum,compact_pixels,rows_offset,separate);
|
||
if (separate != MagickFalse)
|
||
size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2;
|
||
else
|
||
rows_offset+=offset_length;
|
||
count+=length;
|
||
}
|
||
else
|
||
{
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
(void) NegateImage(next_image,MagickFalse);
|
||
|
||
length=WritePSDChannel(psd_info,image_info,image,next_image,
|
||
RedQuantum,compact_pixels,rows_offset,separate);
|
||
if (separate != MagickFalse)
|
||
size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2;
|
||
else
|
||
rows_offset+=offset_length;
|
||
count+=length;
|
||
|
||
length=WritePSDChannel(psd_info,image_info,image,next_image,
|
||
GreenQuantum,compact_pixels,rows_offset,separate);
|
||
if (separate != MagickFalse)
|
||
size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2;
|
||
else
|
||
rows_offset+=offset_length;
|
||
count+=length;
|
||
|
||
length=WritePSDChannel(psd_info,image_info,image,next_image,
|
||
BlueQuantum,compact_pixels,rows_offset,separate);
|
||
if (separate != MagickFalse)
|
||
size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2;
|
||
else
|
||
rows_offset+=offset_length;
|
||
count+=length;
|
||
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
{
|
||
length=WritePSDChannel(psd_info,image_info,image,next_image,
|
||
BlackQuantum,compact_pixels,rows_offset,separate);
|
||
if (separate != MagickFalse)
|
||
size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2;
|
||
else
|
||
rows_offset+=offset_length;
|
||
count+=length;
|
||
}
|
||
}
|
||
if (next_image->matte != MagickFalse)
|
||
{
|
||
length=WritePSDChannel(psd_info,image_info,image,next_image,
|
||
AlphaQuantum,compact_pixels,rows_offset,separate);
|
||
if (separate != MagickFalse)
|
||
size_offset+=WritePSDSize(psd_info,image,length,size_offset)+2;
|
||
else
|
||
rows_offset+=offset_length;
|
||
count+=length;
|
||
}
|
||
}
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(compact_pixels);
|
||
if (next_image->colorspace == CMYKColorspace)
|
||
(void) NegateImage(next_image,MagickFalse);
|
||
if (separate != MagickFalse)
|
||
{
|
||
const char
|
||
*property;
|
||
|
||
property=GetImageArtifact(next_image,"psd:opacity-mask");
|
||
if (property != (const char *) NULL)
|
||
{
|
||
mask=(Image *) GetImageRegistry(ImageRegistryType,property,
|
||
&image->exception);
|
||
if (mask != (Image *) NULL)
|
||
{
|
||
if (mask->compression == RLECompression)
|
||
{
|
||
compact_pixels=AcquireCompactPixels(mask);
|
||
if (compact_pixels == (unsigned char *) NULL)
|
||
return(0);
|
||
}
|
||
length=WritePSDChannel(psd_info,image_info,image,mask,
|
||
RedQuantum,compact_pixels,rows_offset,MagickTrue);
|
||
(void) WritePSDSize(psd_info,image,length,size_offset);
|
||
count+=length;
|
||
compact_pixels=(unsigned char *) RelinquishMagickMemory(
|
||
compact_pixels);
|
||
}
|
||
}
|
||
}
|
||
return(count);
|
||
}
|
||
|
||
static size_t WritePascalString(Image *image,const char *value,size_t padding)
|
||
{
|
||
size_t
|
||
count,
|
||
length;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
/*
|
||
Max length is 255.
|
||
*/
|
||
count=0;
|
||
length=(strlen(value) > 255UL ) ? 255UL : strlen(value);
|
||
if (length == 0)
|
||
count+=WriteBlobByte(image,0);
|
||
else
|
||
{
|
||
count+=WriteBlobByte(image,(unsigned char) length);
|
||
count+=WriteBlob(image,length,(const unsigned char *) value);
|
||
}
|
||
length++;
|
||
if ((length % padding) == 0)
|
||
return(count);
|
||
for (i=0; i < (ssize_t) (padding-(length % padding)); i++)
|
||
count+=WriteBlobByte(image,0);
|
||
return(count);
|
||
}
|
||
|
||
static void WriteResolutionResourceBlock(Image *image)
|
||
{
|
||
double
|
||
x_resolution,
|
||
y_resolution;
|
||
|
||
unsigned short
|
||
units;
|
||
|
||
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;
|
||
}
|
||
else
|
||
{
|
||
x_resolution=65536.0*image->x_resolution+0.5;
|
||
y_resolution=65536.0*image->y_resolution+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 inline size_t WriteChannelSize(const PSDInfo *psd_info,Image *image,
|
||
const signed short channel)
|
||
{
|
||
ssize_t
|
||
count;
|
||
|
||
count=WriteBlobMSBSignedShort(image,channel);
|
||
count+=SetPSDSize(psd_info,image,0);
|
||
return((size_t) count);
|
||
}
|
||
|
||
static void RemoveICCProfileFromResourceBlock(StringInfo *bim_profile)
|
||
{
|
||
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)); )
|
||
{
|
||
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) && (quantum < (ssize_t) length))
|
||
{
|
||
if ((q+quantum < (datum+length-16)))
|
||
(void) memmove(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)
|
||
{
|
||
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)); )
|
||
{
|
||
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)) &&
|
||
((ssize_t) length-(cnt+12)-(q-datum)) > 0)
|
||
{
|
||
(void) memmove(q,q+cnt+12,length-(cnt+12)-(q-datum));
|
||
SetStringInfoLength(bim_profile,length-(cnt+12));
|
||
break;
|
||
}
|
||
p+=count;
|
||
if ((count & 0x01) != 0)
|
||
p++;
|
||
}
|
||
}
|
||
|
||
static const StringInfo *GetAdditionalInformation(const ImageInfo *image_info,
|
||
Image *image)
|
||
{
|
||
#define PSDKeySize 5
|
||
#define PSDAllowedLength 36
|
||
|
||
char
|
||
key[PSDKeySize];
|
||
|
||
/* Whitelist of keys from: https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/ */
|
||
const char
|
||
allowed[PSDAllowedLength][PSDKeySize] = {
|
||
"blnc", "blwh", "brit", "brst", "clbl", "clrL", "curv", "expA", "FMsk",
|
||
"GdFl", "grdm", "hue ", "hue2", "infx", "knko", "lclr", "levl", "lnsr",
|
||
"lfx2", "luni", "lrFX", "lspf", "lyid", "lyvr", "mixr", "nvrt", "phfl",
|
||
"post", "PtFl", "selc", "shpa", "sn2P", "SoCo", "thrs", "tsly", "vibA"
|
||
},
|
||
*option;
|
||
|
||
const StringInfo
|
||
*info;
|
||
|
||
MagickBooleanType
|
||
found;
|
||
|
||
size_t
|
||
i;
|
||
|
||
size_t
|
||
remaining_length,
|
||
length;
|
||
|
||
StringInfo
|
||
*profile;
|
||
|
||
unsigned char
|
||
*p;
|
||
|
||
unsigned int
|
||
size;
|
||
|
||
info=GetImageProfile(image,"psd:additional-info");
|
||
if (info == (const StringInfo *) NULL)
|
||
return((const StringInfo *) NULL);
|
||
option=GetImageOption(image_info,"psd:additional-info");
|
||
if (LocaleCompare(option,"all") == 0)
|
||
return(info);
|
||
if (LocaleCompare(option,"selective") != 0)
|
||
{
|
||
profile=RemoveImageProfile(image,"psd:additional-info");
|
||
return(DestroyStringInfo(profile));
|
||
}
|
||
length=GetStringInfoLength(info);
|
||
p=GetStringInfoDatum(info);
|
||
remaining_length=length;
|
||
length=0;
|
||
while (remaining_length >= 12)
|
||
{
|
||
/* skip over signature */
|
||
p+=4;
|
||
key[0]=(char) (*p++);
|
||
key[1]=(char) (*p++);
|
||
key[2]=(char) (*p++);
|
||
key[3]=(char) (*p++);
|
||
key[4]='\0';
|
||
size=(unsigned int) (*p++) << 24;
|
||
size|=(unsigned int) (*p++) << 16;
|
||
size|=(unsigned int) (*p++) << 8;
|
||
size|=(unsigned int) (*p++);
|
||
size=size & 0xffffffff;
|
||
remaining_length-=12;
|
||
if ((size_t) size > remaining_length)
|
||
return((const StringInfo *) NULL);
|
||
found=MagickFalse;
|
||
for (i=0; i < PSDAllowedLength; i++)
|
||
{
|
||
if (LocaleNCompare(key,allowed[i],PSDKeySize) != 0)
|
||
continue;
|
||
|
||
found=MagickTrue;
|
||
break;
|
||
}
|
||
remaining_length-=(size_t) size;
|
||
if (found == MagickFalse)
|
||
{
|
||
if (remaining_length > 0)
|
||
p=(unsigned char *) memmove(p-12,p+size,remaining_length);
|
||
continue;
|
||
}
|
||
length+=(size_t) size+12;
|
||
p+=size;
|
||
}
|
||
profile=RemoveImageProfile(image,"psd:additional-info");
|
||
if (length == 0)
|
||
return(DestroyStringInfo(profile));
|
||
SetStringInfoLength(profile,(const size_t) length);
|
||
(void) SetImageProfile(image,"psd:additional-info",info);
|
||
return(profile);
|
||
}
|
||
|
||
static MagickBooleanType WritePSDImage(const ImageInfo *image_info,
|
||
Image *image)
|
||
{
|
||
char
|
||
layer_name[MaxTextExtent];
|
||
|
||
const char
|
||
*property;
|
||
|
||
const StringInfo
|
||
*icc_profile,
|
||
*info;
|
||
|
||
Image
|
||
*base_image,
|
||
*next_image;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
MagickOffsetType
|
||
*layer_size_offsets,
|
||
size_offset;
|
||
|
||
PSDInfo
|
||
psd_info;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
size_t
|
||
layer_count,
|
||
layer_index,
|
||
length,
|
||
name_length,
|
||
num_channels,
|
||
packet_size,
|
||
rounded_size,
|
||
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);
|
||
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 */
|
||
/* When the image has a color profile it won't be converted to gray scale */
|
||
if ((GetImageProfile(image,"icc") == (StringInfo *) NULL) &&
|
||
(SetImageGray(image,&image->exception) != MagickFalse))
|
||
num_channels=(image->matte != MagickFalse ? 2UL : 1UL);
|
||
else
|
||
if ((image_info->type != TrueColorType) && (image_info->type !=
|
||
TrueColorMatteType) && (image->storage_class == PseudoClass))
|
||
num_channels=(image->matte != MagickFalse ? 2UL : 1UL);
|
||
else
|
||
{
|
||
if (image->storage_class == PseudoClass)
|
||
(void) SetImageStorageClass(image,DirectClass);
|
||
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))
|
||
{
|
||
(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 ((ssize_t) GetStringInfoLength(icc_profile) !=
|
||
PSDQuantum(GetStringInfoLength(icc_profile)))
|
||
(void) WriteBlobByte(image,0);
|
||
}
|
||
base_image=GetNextImageInList(image);
|
||
if (base_image == (Image *)NULL)
|
||
base_image=image;
|
||
size=0;
|
||
size_offset=TellBlob(image);
|
||
(void) SetPSDSize(&psd_info,image,0);
|
||
(void) SetPSDSize(&psd_info,image,0);
|
||
layer_count=0;
|
||
for (next_image=base_image; next_image != NULL; )
|
||
{
|
||
layer_count++;
|
||
next_image=GetNextImageInList(next_image);
|
||
}
|
||
if (image->matte != MagickFalse)
|
||
size+=WriteBlobMSBShort(image,-(unsigned short) layer_count);
|
||
else
|
||
size+=WriteBlobMSBShort(image,(unsigned short) layer_count);
|
||
layer_size_offsets=(MagickOffsetType *) AcquireQuantumMemory(
|
||
(size_t) layer_count,sizeof(MagickOffsetType));
|
||
if (layer_size_offsets == (MagickOffsetType *) NULL)
|
||
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
||
layer_index=0;
|
||
for (next_image=base_image; next_image != NULL; )
|
||
{
|
||
Image
|
||
*mask;
|
||
|
||
unsigned char
|
||
default_color;
|
||
|
||
unsigned short
|
||
channels,
|
||
total_channels;
|
||
|
||
mask=(Image *) NULL;
|
||
property=GetImageArtifact(next_image,"psd:opacity-mask");
|
||
default_color=0;
|
||
if (property != (const char *) NULL)
|
||
{
|
||
mask=(Image *) GetImageRegistry(ImageRegistryType,property,
|
||
&image->exception);
|
||
default_color=(unsigned char) (strlen(property) == 9 ? 255 : 0);
|
||
}
|
||
size+=WriteBlobMSBLong(image,(unsigned int) next_image->page.y);
|
||
size+=WriteBlobMSBLong(image,(unsigned int) next_image->page.x);
|
||
size+=WriteBlobMSBLong(image,(unsigned int) (next_image->page.y+
|
||
next_image->rows));
|
||
size+=WriteBlobMSBLong(image,(unsigned int) (next_image->page.x+
|
||
next_image->columns));
|
||
channels=1;
|
||
if ((next_image->storage_class != PseudoClass) &&
|
||
(IsGrayImage(next_image,&next_image->exception) == MagickFalse))
|
||
channels=(unsigned short) (next_image->colorspace == CMYKColorspace ?
|
||
4 : 3);
|
||
total_channels=channels;
|
||
if (next_image->matte != MagickFalse)
|
||
total_channels++;
|
||
if (mask != (Image *) NULL)
|
||
total_channels++;
|
||
size+=WriteBlobMSBShort(image,total_channels);
|
||
layer_size_offsets[layer_index++]=TellBlob(image);
|
||
for (i=0; i < (ssize_t) channels; i++)
|
||
size+=WriteChannelSize(&psd_info,image,(signed short) i);
|
||
if (next_image->matte != MagickFalse)
|
||
size+=WriteChannelSize(&psd_info,image,-1);
|
||
if (mask != (Image *) NULL)
|
||
size+=WriteChannelSize(&psd_info,image,-2);
|
||
size+=WriteBlob(image,4,(const unsigned char *) "8BIM");
|
||
size+=WriteBlob(image,4,(const unsigned char *)
|
||
CompositeOperatorToPSDBlendMode(next_image));
|
||
property=GetImageArtifact(next_image,"psd:layer.opacity");
|
||
if (property != (const char *) NULL)
|
||
{
|
||
Quantum
|
||
opacity;
|
||
|
||
opacity=(Quantum) StringToInteger(property);
|
||
size+=WriteBlobByte(image,ScaleQuantumToChar(opacity));
|
||
(void) ApplyPSDLayerOpacity(next_image,opacity,MagickTrue,
|
||
&image->exception);
|
||
}
|
||
else
|
||
size+=WriteBlobByte(image,255);
|
||
size+=WriteBlobByte(image,0);
|
||
size+=WriteBlobByte(image,(unsigned char)
|
||
(next_image->compose == NoCompositeOp ? 1 << 0x02 : 1)); /* layer properties - visible, etc. */
|
||
size+=WriteBlobByte(image,0);
|
||
info=GetAdditionalInformation(image_info,next_image);
|
||
property=(const char *) GetImageProperty(next_image,"label");
|
||
if (property == (const char *) NULL)
|
||
{
|
||
(void) FormatLocaleString(layer_name,MaxTextExtent,"L%.20g",
|
||
(double) layer_index);
|
||
property=layer_name;
|
||
}
|
||
name_length=strlen(property)+1;
|
||
if ((name_length % 4) != 0)
|
||
name_length+=(4-(name_length % 4));
|
||
if (info != (const StringInfo *) NULL)
|
||
name_length+=GetStringInfoLength(info);
|
||
name_length+=8;
|
||
if (mask != (Image *) NULL)
|
||
name_length+=20;
|
||
size+=WriteBlobMSBLong(image,(unsigned int) name_length);
|
||
if (mask == (Image *) NULL)
|
||
size+=WriteBlobMSBLong(image,0);
|
||
else
|
||
{
|
||
if (mask->compose != NoCompositeOp)
|
||
(void) ApplyPSDOpacityMask(next_image,mask,ScaleCharToQuantum(
|
||
default_color),MagickTrue,&image->exception);
|
||
mask->page.y+=image->page.y;
|
||
mask->page.x+=image->page.x;
|
||
size+=WriteBlobMSBLong(image,20);
|
||
size+=WriteBlobMSBSignedLong(image,(const signed int) mask->page.y);
|
||
size+=WriteBlobMSBSignedLong(image,(const signed int) mask->page.x);
|
||
size+=WriteBlobMSBSignedLong(image,(const signed int) (mask->rows+
|
||
mask->page.y));
|
||
size+=WriteBlobMSBSignedLong(image,(const signed int) (mask->columns+
|
||
mask->page.x));
|
||
size+=WriteBlobByte(image,default_color);
|
||
size+=WriteBlobByte(image,(unsigned char) (
|
||
mask->compose == NoCompositeOp ? 2 : 0));
|
||
size+=WriteBlobMSBShort(image,0);
|
||
}
|
||
size+=WriteBlobMSBLong(image,0);
|
||
size+=WritePascalString(image,property,4);
|
||
if (info != (const StringInfo *) NULL)
|
||
size+=WriteBlob(image,GetStringInfoLength(info),GetStringInfoDatum(info));
|
||
next_image=GetNextImageInList(next_image);
|
||
}
|
||
/*
|
||
Now the image data!
|
||
*/
|
||
next_image=base_image;
|
||
layer_index=0;
|
||
while (next_image != NULL)
|
||
{
|
||
length=(size_t) WritePSDChannels(&psd_info,image_info,image,next_image,
|
||
layer_size_offsets[layer_index++],MagickTrue);
|
||
if (length == 0)
|
||
{
|
||
status=MagickFalse;
|
||
break;
|
||
}
|
||
size+=length;
|
||
next_image=GetNextImageInList(next_image);
|
||
}
|
||
(void) WriteBlobMSBLong(image,0); /* user mask data */
|
||
/*
|
||
Remove the opacity mask from the registry
|
||
*/
|
||
next_image=base_image;
|
||
while (next_image != (Image *) NULL)
|
||
{
|
||
property=GetImageArtifact(next_image,"psd:opacity-mask");
|
||
if (property != (const char *) NULL)
|
||
(void) DeleteImageRegistry(property);
|
||
next_image=GetNextImageInList(next_image);
|
||
}
|
||
/*
|
||
Write the total size
|
||
*/
|
||
size_offset+=WritePSDSize(&psd_info,image,size+
|
||
(psd_info.version == 1 ? 8 : 12),size_offset);
|
||
if ((size/2) != ((size+1)/2))
|
||
rounded_size=size+1;
|
||
else
|
||
rounded_size=size;
|
||
(void) WritePSDSize(&psd_info,image,rounded_size,size_offset);
|
||
layer_size_offsets=(MagickOffsetType *) RelinquishMagickMemory(
|
||
layer_size_offsets);
|
||
/*
|
||
Write composite image.
|
||
*/
|
||
if (status != MagickFalse)
|
||
{
|
||
CompressionType
|
||
compression;
|
||
|
||
compression=image->compression;
|
||
if (image_info->compression != UndefinedCompression)
|
||
image->compression=image_info->compression;
|
||
if (image->compression == ZipCompression)
|
||
image->compression=RLECompression;
|
||
if (WritePSDChannels(&psd_info,image_info,image,image,0,
|
||
MagickFalse) == 0)
|
||
status=MagickFalse;
|
||
image->compression=compression;
|
||
}
|
||
(void) CloseBlob(image);
|
||
return(status);
|
||
}
|