/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- RegisterPS3Image
- UnregisterPS3Image
- Huffman2DEncodeImage
- SerializeImage
- SerializeImageChannel
- SerializeImageIndexes
- WritePS3MaskImage
- WritePS3Image
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% PPPP SSSSS 33333 %
% P P SS 33 %
% PPPP SSS 333 %
% P SS 33 %
% P SSSSS 33333 %
% %
% %
% Write Postscript Level III Format %
% %
% Software Design %
% Cristy %
% Lars Ruben Skyum %
% July 1992 %
% %
% %
% Copyright 1999-2015 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 %
% %
% http://www.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. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
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/color.h"
#include "magick/color-private.h"
#include "magick/compress.h"
#include "magick/constitute.h"
#include "magick/draw.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/geometry.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/monitor-private.h"
#include "magick/option.h"
#include "magick/pixel-accessor.h"
#include "magick/property.h"
#include "magick/quantum-private.h"
#include "magick/resource_.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/module.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/module.h"
/*
Define declarations.
*/
#define PS3_NoCompression "0"
#define PS3_FaxCompression "1"
#define PS3_JPEGCompression "2"
#define PS3_LZWCompression "3"
#define PS3_RLECompression "4"
#define PS3_ZipCompression "5"
#define PS3_RGBColorspace "0"
#define PS3_CMYKColorspace "1"
#define PS3_DirectClass "0"
#define PS3_PseudoClass "1"
#if defined(MAGICKCORE_TIFF_DELEGATE)
#define CCITTParam "-1"
#else
#define CCITTParam "0"
#endif
/*
Forward declarations.
*/
static MagickBooleanType
WritePS3Image(const ImageInfo *,Image *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r P S 3 I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterPS3Image() adds properties for the PS3 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 RegisterPS3Image method is:
%
% size_t RegisterPS3Image(void)
%
*/
ModuleExport size_t RegisterPS3Image(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("EPS3");
entry->encoder=(EncodeImageHandler *) WritePS3Image;
entry->description=ConstantString("Level III Encapsulated PostScript");
entry->mime_type=ConstantString("application/postscript");
entry->module=ConstantString("PS3");
entry->seekable_stream=MagickTrue;
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("PS3");
entry->encoder=(EncodeImageHandler *) WritePS3Image;
entry->description=ConstantString("Level III PostScript");
entry->mime_type=ConstantString("application/postscript");
entry->module=ConstantString("PS3");
entry->seekable_stream=MagickTrue;
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r P S 3 I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterPS3Image() removes format registrations made by the PS3 module
% from the list of supported formats.
%
% The format of the UnregisterPS3Image method is:
%
% UnregisterPS3Image(void)
%
*/
ModuleExport void UnregisterPS3Image(void)
{
(void) UnregisterMagickInfo("EPS3");
(void) UnregisterMagickInfo("PS3");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e P S 3 I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WritePS3Image() translates an image to encapsulated Postscript Level III
% for printing. If the supplied geometry is null, the image is centered on
% the Postscript page. Otherwise, the image is positioned as specified by the
% geometry.
%
% The format of the WritePS3Image method is:
%
% MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows:
%
% o image_info: Specifies a pointer to a ImageInfo structure.
%
% o image: the image.
%
*/
static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
Image *image,Image *inject_image)
{
Image
*group4_image;
ImageInfo
*write_info;
MagickBooleanType
status;
size_t
length;
unsigned char
*group4;
status=MagickTrue;
write_info=CloneImageInfo(image_info);
(void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
(void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
group4_image=CloneImage(inject_image,0,0,MagickTrue,&image->exception);
if (group4_image == (Image *) NULL)
return(MagickFalse);
group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
&image->exception);
group4_image=DestroyImage(group4_image);
if (group4 == (unsigned char *) NULL)
return(MagickFalse);
write_info=DestroyImageInfo(write_info);
if (WriteBlob(image,length,group4) != (ssize_t) length)
status=MagickFalse;
group4=(unsigned char *) RelinquishMagickMemory(group4);
return(status);
}
static MagickBooleanType SerializeImage(const ImageInfo *image_info,
Image *image,MemoryInfo **pixel_info,size_t *length)
{
MagickBooleanType
status;
register const IndexPacket
*indexes;
register const PixelPacket
*p;
register ssize_t
x;
register unsigned char
*q;
ssize_t
y;
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=MagickTrue;
*length=(image->colorspace == CMYKColorspace ? 4 : 3)*(size_t)
image->columns*image->rows;
*pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
if (*pixel_info == (MemoryInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(image);
if (image->colorspace != CMYKColorspace)
for (x=0; x < (ssize_t) image->columns; x++)
{
*q++=ScaleQuantumToChar(GetPixelRed(p));
*q++=ScaleQuantumToChar(GetPixelGreen(p));
*q++=ScaleQuantumToChar(GetPixelBlue(p));
p++;
}
else
for (x=0; x < (ssize_t) image->columns; x++)
{
*q++=ScaleQuantumToChar(GetPixelRed(p));
*q++=ScaleQuantumToChar(GetPixelGreen(p));
*q++=ScaleQuantumToChar(GetPixelBlue(p));
*q++=ScaleQuantumToChar(GetPixelIndex(indexes+x));
p++;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
if (status == MagickFalse)
*pixel_info=RelinquishVirtualMemory(*pixel_info);
return(status);
}
static MagickBooleanType SerializeImageChannel(const ImageInfo *image_info,
Image *image,MemoryInfo **pixel_info,size_t *length)
{
MagickBooleanType
status;
register const PixelPacket
*p;
register ssize_t
x;
register unsigned char
*q;
size_t
pack,
padded_columns;
ssize_t
y;
unsigned char
code,
bit;
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=MagickTrue;
pack=SetImageMonochrome(image,&image->exception) == MagickFalse ? 1UL : 8UL;
padded_columns=((image->columns+pack-1)/pack)*pack;
*length=(size_t) padded_columns*image->rows/pack;
*pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
if (*pixel_info == (MemoryInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
if (pack == 1)
for (x=0; x < (ssize_t) image->columns; x++)
{
*q++=ScaleQuantumToChar(ClampToQuantum(GetPixelLuma(image,p)));
p++;
}
else
{
code='\0';
for (x=0; x < (ssize_t) padded_columns; x++)
{
bit=(unsigned char) 0x00;
if (x < (ssize_t) image->columns)
bit=(unsigned char) (ClampToQuantum(GetPixelLuma(image,p)) ==
(Quantum) TransparentOpacity ? 0x01 : 0x00);
code=(code << 1)+bit;
if (((x+1) % pack) == 0)
{
*q++=code;
code='\0';
}
p++;
}
}
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
if (status == MagickFalse)
*pixel_info=RelinquishVirtualMemory(*pixel_info);
return(status);
}
static MagickBooleanType SerializeImageIndexes(const ImageInfo *image_info,
Image *image,MemoryInfo **pixel_info,size_t *length)
{
MagickBooleanType
status;
register const IndexPacket
*indexes;
register const PixelPacket
*p;
register ssize_t
x;
register unsigned char
*q;
ssize_t
y;
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=MagickTrue;
*length=(size_t) image->columns*image->rows;
*pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
if (*pixel_info == (MemoryInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(image);
for (x=0; x < (ssize_t) image->columns; x++)
*q++=(unsigned char) GetPixelIndex(indexes+x);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
if (status == MagickFalse)
*pixel_info=RelinquishVirtualMemory(*pixel_info);
return(status);
}
static MagickBooleanType WritePS3MaskImage(const ImageInfo *image_info,
Image *image,const CompressionType compression)
{
char
buffer[MaxTextExtent];
Image
*mask_image;
MagickBooleanType
status;
MagickOffsetType
offset,
start,
stop;
MemoryInfo
*pixel_info;
register ssize_t
i;
size_t
length;
unsigned char
*pixels;
assert(image_info != (ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(image->matte != MagickFalse);
status=MagickTrue;
/*
Note BeginData DSC comment for update later.
*/
start=TellBlob(image);
if (start < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%BeginData:%13ld %s Bytes\n",0L,compression == NoCompression ?
"ASCII" : "BINARY");
(void) WriteBlobString(image,buffer);
stop=TellBlob(image);
if (stop < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
/*
Only lossless compressions for the mask.
*/
switch (compression)
{
case NoCompression:
default:
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"currentfile %.20g %.20g "PS3_NoCompression" ByteStreamDecodeFilter\n",
(double) image->columns,(double) image->rows);
break;
}
case FaxCompression:
case Group4Compression:
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"currentfile %.20g %.20g "PS3_FaxCompression" ByteStreamDecodeFilter\n",
(double) image->columns,(double) image->rows);
break;
}
case LZWCompression:
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"currentfile %.20g %.20g "PS3_LZWCompression" ByteStreamDecodeFilter\n",
(double) image->columns,(double) image->rows);
break;
}
case RLECompression:
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"currentfile %.20g %.20g "PS3_RLECompression" ByteStreamDecodeFilter\n",
(double) image->columns,(double) image->rows);
break;
}
case ZipCompression:
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"currentfile %.20g %.20g "PS3_ZipCompression" ByteStreamDecodeFilter\n",
(double) image->columns,(double) image->rows);
break;
}
}
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"/ReusableStreamDecode filter\n");
mask_image=CloneImage(image,0,0,MagickTrue,&image->exception);
if (mask_image == (Image *) NULL)
ThrowWriterException(CoderError,image->exception.reason);
status=SeparateImageChannel(mask_image,OpacityChannel);
if (status == MagickFalse)
{
mask_image=DestroyImage(mask_image);
return(MagickFalse);
}
(void) SetImageType(mask_image,BilevelType);
(void) SetImageType(mask_image,PaletteType);
mask_image->matte=MagickFalse;
pixels=(unsigned char *) NULL;
length=0;
switch (compression)
{
case NoCompression:
default:
{
status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length);
if (status == MagickFalse)
break;
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
Ascii85Initialize(image);
for (i=0; i < (ssize_t) length; i++)
Ascii85Encode(image,pixels[i]);
Ascii85Flush(image);
pixel_info=RelinquishVirtualMemory(pixel_info);
break;
}
case FaxCompression:
case Group4Compression:
{
if ((compression == FaxCompression) ||
(LocaleCompare(CCITTParam,"0") == 0))
status=HuffmanEncodeImage(image_info,image,mask_image);
else
status=Huffman2DEncodeImage(image_info,image,mask_image);
break;
}
case LZWCompression:
{
status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length);
if (status == MagickFalse)
break;
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
status=LZWEncodeImage(image,length,pixels);
pixel_info=RelinquishVirtualMemory(pixel_info);
break;
}
case RLECompression:
{
status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length);
if (status == MagickFalse)
break;
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
status=PackbitsEncodeImage(image,length,pixels);
pixel_info=RelinquishVirtualMemory(pixel_info);
break;
}
case ZipCompression:
{
status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length);
if (status == MagickFalse)
break;
status=ZLIBEncodeImage(image,length,pixels);
pixel_info=RelinquishVirtualMemory(pixel_info);
break;
}
}
mask_image=DestroyImage(mask_image);
(void) WriteBlobByte(image,'\n');
length=(size_t) (TellBlob(image)-stop);
stop=TellBlob(image);
if (stop < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
offset=SeekBlob(image,start,SEEK_SET);
if (offset < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%BeginData:%13ld %s Bytes\n",(long) length,
compression == NoCompression ? "ASCII" : "BINARY");
(void) WriteBlobString(image,buffer);
offset=SeekBlob(image,stop,SEEK_SET);
if (offset < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
(void) WriteBlobString(image,"%%EndData\n");
(void) WriteBlobString(image, "/mask_stream exch def\n");
return(status);
}
static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image)
{
static const char
*PostscriptProlog[]=
{
"/ByteStreamDecodeFilter",
"{",
" /z exch def",
" /r exch def",
" /c exch def",
" z "PS3_NoCompression" eq { /ASCII85Decode filter } if",
" z "PS3_FaxCompression" eq",
" {",
" <<",
" /K "CCITTParam,
" /Columns c",
" /Rows r",
" >>",
" /CCITTFaxDecode filter",
" } if",
" z "PS3_JPEGCompression" eq { /DCTDecode filter } if",
" z "PS3_LZWCompression" eq { /LZWDecode filter } if",
" z "PS3_RLECompression" eq { /RunLengthDecode filter } if",
" z "PS3_ZipCompression" eq { /FlateDecode filter } if",
"} bind def",
"",
"/DirectClassImageDict",
"{",
" colorspace "PS3_RGBColorspace" eq",
" {",
" /DeviceRGB setcolorspace",
" <<",
" /ImageType 1",
" /Width columns",
" /Height rows",
" /BitsPerComponent 8",
" /DataSource pixel_stream",
" /MultipleDataSources false",
" /ImageMatrix [columns 0 0 rows neg 0 rows]",
" /Decode [0 1 0 1 0 1]",
" >>",
" }",
" {",
" /DeviceCMYK setcolorspace",
" <<",
" /ImageType 1",
" /Width columns",
" /Height rows",
" /BitsPerComponent 8",
" /DataSource pixel_stream",
" /MultipleDataSources false",
" /ImageMatrix [columns 0 0 rows neg 0 rows]",
" /Decode",
" compression "PS3_JPEGCompression" eq",
" { [1 0 1 0 1 0 1 0] }",
" { [0 1 0 1 0 1 0 1] }",
" ifelse",
" >>",
" }",
" ifelse",
"} bind def",
"",
"/PseudoClassImageDict",
"{",
" % Colors in colormap image.",
" currentfile buffer readline pop",
" token pop /colors exch def pop",
" colors 0 eq",
" {",
" % Depth of grayscale image.",
" currentfile buffer readline pop",
" token pop /bits exch def pop",
" /DeviceGray setcolorspace",
" <<",
" /ImageType 1",
" /Width columns",
" /Height rows",
" /BitsPerComponent bits",
" /Decode [0 1]",
" /ImageMatrix [columns 0 0 rows neg 0 rows]",
" /DataSource pixel_stream",
" >>",
" }",
" {",
" % RGB colormap.",
" /colormap colors 3 mul string def",
" compression "PS3_NoCompression" eq",
" { currentfile /ASCII85Decode filter colormap readstring pop pop }",
" { currentfile colormap readstring pop pop }",
" ifelse",
" [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
" <<",
" /ImageType 1",
" /Width columns",
" /Height rows",
" /BitsPerComponent 8",
" /Decode [0 255]",
" /ImageMatrix [columns 0 0 rows neg 0 rows]",
" /DataSource pixel_stream",
" >>",
" }",
" ifelse",
"} bind def",
"",
"/NonMaskedImageDict",
"{",
" class "PS3_PseudoClass" eq",
" { PseudoClassImageDict }",
" { DirectClassImageDict }",
" ifelse",
"} bind def",
"",
"/MaskedImageDict",
"{",
" <<",
" /ImageType 3",
" /InterleaveType 3",
" /DataDict NonMaskedImageDict",
" /MaskDict",
" <<",
" /ImageType 1",
" /Width columns",
" /Height rows",
" /BitsPerComponent 1",
" /DataSource mask_stream",
" /MultipleDataSources false",
" /ImageMatrix [ columns 0 0 rows neg 0 rows]",
" /Decode [ 0 1 ]",
" >>",
" >>",
"} bind def",
"",
"/ClipImage",
"{} def",
"",
"/DisplayImage",
"{",
" gsave",
" /buffer 512 string def",
" % Translation.",
" currentfile buffer readline pop",
" token pop /x exch def",
" token pop /y exch def pop",
" x y translate",
" % Image size and font size.",
" currentfile buffer readline pop",
" token pop /x exch def",
" token pop /y exch def pop",
" currentfile buffer readline pop",
" token pop /pointsize exch def pop",
(char *) NULL
},
*PostscriptEpilog[]=
{
" x y scale",
" % Clipping path.",
" currentfile buffer readline pop",
" token pop /clipped exch def pop",
" % Showpage.",
" currentfile buffer readline pop",
" token pop /sp exch def pop",
" % Image pixel size.",
" currentfile buffer readline pop",
" token pop /columns exch def",
" token pop /rows exch def pop",
" % Colorspace (RGB/CMYK).",
" currentfile buffer readline pop",
" token pop /colorspace exch def pop",
" % Transparency.",
" currentfile buffer readline pop",
" token pop /alpha exch def pop",
" % Stencil mask?",
" currentfile buffer readline pop",
" token pop /stencil exch def pop",
" % Image class (direct/pseudo).",
" currentfile buffer readline pop",
" token pop /class exch def pop",
" % Compression type.",
" currentfile buffer readline pop",
" token pop /compression exch def pop",
" % Clip and render.",
" /pixel_stream currentfile columns rows compression ByteStreamDecodeFilter def",
" clipped { ClipImage } if",
" alpha stencil not and",
" { MaskedImageDict mask_stream resetfile }",
" { NonMaskedImageDict }",
" ifelse",
" stencil { 0 setgray imagemask } { image } ifelse",
" grestore",
" sp { showpage } if",
"} bind def",
(char *) NULL
};
char
buffer[MaxTextExtent],
date[MaxTextExtent],
**labels,
page_geometry[MaxTextExtent];
CompressionType
compression;
const char
*option,
**q,
*value;
double
pointsize;
GeometryInfo
geometry_info;
MagickBooleanType
status;
MagickOffsetType
offset,
scene,
start,
stop;
MagickStatusType
flags;
MemoryInfo
*pixel_info;
PointInfo
delta,
resolution,
scale;
RectangleInfo
geometry,
media_info,
page_info;
register ssize_t
i;
SegmentInfo
bounds;
size_t
length,
page,
pixel,
text_size;
ssize_t
j;
time_t
timer;
unsigned char
*pixels;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(MagickFalse);
compression=image->compression;
if (image_info->compression != UndefinedCompression)
compression=image_info->compression;
switch (compression)
{
case FaxCompression:
case Group4Compression:
{
if ((SetImageMonochrome(image,&image->exception) == MagickFalse) ||
(image->matte != MagickFalse))
compression=RLECompression;
break;
}
#if !defined(MAGICKCORE_JPEG_DELEGATE)
case JPEGCompression:
{
compression=RLECompression;
(void) ThrowMagickException(&image->exception,GetMagickModule(),
MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
image->filename);
break;
}
#endif
#if !defined(MAGICKCORE_ZLIB_DELEGATE)
case ZipCompression:
{
compression=RLECompression;
(void) ThrowMagickException(&image->exception,GetMagickModule(),
MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
image->filename);
break;
}
#endif
default:
break;
}
(void) ResetMagickMemory(&bounds,0,sizeof(bounds));
page=0;
scene=0;
do
{
/*
Scale relative to dots-per-inch.
*/
delta.x=DefaultResolution;
delta.y=DefaultResolution;
resolution.x=image->x_resolution;
resolution.y=image->y_resolution;
if ((resolution.x == 0.0) || (resolution.y == 0.0))
{
flags=ParseGeometry(PSDensityGeometry,&geometry_info);
resolution.x=geometry_info.rho;
resolution.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
resolution.y=resolution.x;
}
if (image_info->density != (char *) NULL)
{
flags=ParseGeometry(image_info->density,&geometry_info);
resolution.x=geometry_info.rho;
resolution.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
resolution.y=resolution.x;
}
if (image->units == PixelsPerCentimeterResolution)
{
resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
}
SetGeometry(image,&geometry);
(void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
(double) image->columns,(double) image->rows);
if (image_info->page != (char *) NULL)
(void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
else
if ((image->page.width != 0) && (image->page.height != 0))
(void) FormatLocaleString(page_geometry,MaxTextExtent,
"%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
image->page.height,(double) image->page.x,(double) image->page.y);
else
if ((image->gravity != UndefinedGravity) &&
(LocaleCompare(image_info->magick,"PS") == 0))
(void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
(void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
(void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
&geometry.width,&geometry.height);
scale.x=(double) (geometry.width*delta.x)/resolution.x;
geometry.width=(size_t) floor(scale.x+0.5);
scale.y=(double) (geometry.height*delta.y)/resolution.y;
geometry.height=(size_t) floor(scale.y+0.5);
(void) ParseAbsoluteGeometry(page_geometry,&media_info);
(void) ParseGravityGeometry(image,page_geometry,&page_info,
&image->exception);
if (image->gravity != UndefinedGravity)
{
geometry.x=(-page_info.x);
geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
}
pointsize=12.0;
if (image_info->pointsize != 0.0)
pointsize=image_info->pointsize;
text_size=0;
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
text_size=(size_t) (MultilineCensus(value)*pointsize+12);
page++;
if (page == 1)
{
/*
Postscript header on the first page.
*/
if (LocaleCompare(image_info->magick,"PS3") == 0)
(void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
else
(void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
MaxTextExtent);
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%Creator: ImageMagick %s\n",MagickLibVersionText);
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: %s\n",
image->filename);
(void) WriteBlobString(image,buffer);
timer=time((time_t *) NULL);
(void) FormatMagickTime(timer,MaxTextExtent,date);
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%CreationDate: %s\n",date);
(void) WriteBlobString(image,buffer);
bounds.x1=(double) geometry.x;
bounds.y1=(double) geometry.y;
bounds.x2=(double) geometry.x+scale.x;
bounds.y2=(double) geometry.y+scale.y+text_size;
if ((image_info->adjoin != MagickFalse) &&
(GetNextImageInList(image) != (Image *) NULL))
{
(void) WriteBlobString(image,"%%BoundingBox: (atend)\n");
(void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n");
}
else
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5),
ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
bounds.y1,bounds.x2,bounds.y2);
(void) WriteBlobString(image,buffer);
if (image->colorspace == CMYKColorspace)
(void) WriteBlobString(image,
"%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
else
if (SetImageGray(image,&image->exception) != MagickFalse)
(void) WriteBlobString(image,
"%%DocumentProcessColors: Black\n");
}
/*
Font resources
*/
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
(void) WriteBlobString(image,
"%%DocumentNeededResources: font Helvetica\n");
(void) WriteBlobString(image,"%%LanguageLevel: 3\n");
/*
Pages, orientation and order.
*/
if (LocaleCompare(image_info->magick,"PS3") != 0)
(void) WriteBlobString(image,"%%Pages: 1\n");
else
{
(void) WriteBlobString(image,"%%Orientation: Portrait\n");
(void) WriteBlobString(image,"%%PageOrder: Ascend\n");
if (image_info->adjoin == MagickFalse)
(void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
else
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%Pages: %.20g\n",(double) GetImageListLength(image));
(void) WriteBlobString(image,buffer);
}
if (image->colorspace == CMYKColorspace)
(void) WriteBlobString(image,
"%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
(void) WriteBlobString(image,"%%EndComments\n");
/*
The static postscript procedures prolog.
*/
(void)WriteBlobString(image,"%%BeginProlog\n");
for (q=PostscriptProlog; *q; q++)
{
(void) WriteBlobString(image,*q);
(void) WriteBlobByte(image,'\n');
}
/*
One label line for each line in label string.
*/
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
{
(void) WriteBlobString(image,"\n %% Labels.\n /Helvetica "
" findfont pointsize scalefont setfont\n");
for (i=(ssize_t) MultilineCensus(value)-1; i >= 0; i--)
{
(void) WriteBlobString(image,
" currentfile buffer readline pop token pop\n");
(void) FormatLocaleString(buffer,MaxTextExtent,
" 0 y %g add moveto show pop\n",i*pointsize+12);
(void) WriteBlobString(image,buffer);
}
}
/*
The static postscript procedures epilog.
*/
for (q=PostscriptEpilog; *q; q++)
{
(void) WriteBlobString(image,*q);
(void) WriteBlobByte(image,'\n');
}
(void)WriteBlobString(image,"%%EndProlog\n");
}
(void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page: 1 %.20g\n",
(double) page);
(void) WriteBlobString(image,buffer);
/*
Page bounding box.
*/
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
(double) geometry.y,geometry.x+(double) geometry.width,geometry.y+
(double) (geometry.height+text_size));
(void) WriteBlobString(image,buffer);
/*
Page process colors if not RGB.
*/
if (image->colorspace == CMYKColorspace)
(void) WriteBlobString(image,
"%%PageProcessColors: Cyan Magenta Yellow Black\n");
else
if (SetImageGray(image,&image->exception) != MagickFalse)
(void) WriteBlobString(image,"%%PageProcessColors: Black\n");
/*
Adjust document bounding box to bound page bounding box.
*/
if ((double) geometry.x < bounds.x1)
bounds.x1=(double) geometry.x;
if ((double) geometry.y < bounds.y1)
bounds.y1=(double) geometry.y;
if ((double) (geometry.x+scale.x) > bounds.x2)
bounds.x2=(double) geometry.x+scale.x;
if ((double) (geometry.y+scale.y+text_size) > bounds.y2)
bounds.y2=(double) geometry.y+scale.y+text_size;
/*
Page font resource if there's a label.
*/
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
(void) WriteBlobString(image,"%%PageResources: font Helvetica\n");
/*
PS clipping path from Photoshop clipping path.
*/
if ((image->clip_mask == (Image *) NULL) ||
(LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) != 0))
(void) WriteBlobString(image,"/ClipImage {} def\n");
else
{
const char
*value;
value=GetImageProperty(image,image->clip_mask->magick_filename);
if (value == (const char *) NULL)
return(MagickFalse);
(void) WriteBlobString(image,value);
(void) WriteBlobByte(image,'\n');
}
/*
Push a dictionary for our own def's if this an EPS.
*/
if (LocaleCompare(image_info->magick,"PS3") != 0)
(void) WriteBlobString(image,"userdict begin\n");
/*
Image mask.
*/
if ((image->matte != MagickFalse) &&
(WritePS3MaskImage(image_info,image,compression) == MagickFalse))
{
(void) CloseBlob(image);
return(MagickFalse);
}
/*
Remember position of BeginData comment so we can update it.
*/
start=TellBlob(image);
if (start < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%BeginData:%13ld %s Bytes\n",0L,
compression == NoCompression ? "ASCII" : "BINARY");
(void) WriteBlobString(image,buffer);
stop=TellBlob(image);
if (stop < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
(void) WriteBlobString(image,"DisplayImage\n");
/*
Translate, scale, and font point size.
*/
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
(double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
(void) WriteBlobString(image,buffer);
/*
Output labels.
*/
labels=(char **) NULL;
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
labels=StringToList(value);
if (labels != (char **) NULL)
{
for (i=0; labels[i] != (char *) NULL; i++)
{
if (compression != NoCompression)
{
for (j=0; labels[i][j] != '\0'; j++)
(void) WriteBlobByte(image,(unsigned char) labels[i][j]);
(void) WriteBlobByte(image,'\n');
}
else
{
(void) WriteBlobString(image,"<~");
Ascii85Initialize(image);
for (j=0; labels[i][j] != '\0'; j++)
Ascii85Encode(image,(unsigned char) labels[i][j]);
Ascii85Flush(image);
}
labels[i]=DestroyString(labels[i]);
}
labels=(char **) RelinquishMagickMemory(labels);
}
/*
Photoshop clipping path active?
*/
if ((image->clip_mask != (Image *) NULL) &&
(LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) == 0))
(void) WriteBlobString(image,"true\n");
else
(void) WriteBlobString(image,"false\n");
/*
Showpage for non-EPS.
*/
(void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ?
"true\n" : "false\n");
/*
Image columns, rows, and color space.
*/
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%s\n",
(double) image->columns,(double) image->rows,image->colorspace ==
CMYKColorspace ? PS3_CMYKColorspace : PS3_RGBColorspace);
(void) WriteBlobString(image,buffer);
/*
Masked image?
*/
(void) WriteBlobString(image,image->matte != MagickFalse ?
"true\n" : "false\n");
/*
Render with imagemask operator?
*/
option=GetImageOption(image_info,"ps3:imagemask");
(void) WriteBlobString(image,((option != (const char *) NULL) &&
(SetImageMonochrome(image,&image->exception) != MagickFalse)) ?
"true\n" : "false\n");
/*
Output pixel data.
*/
pixels=(unsigned char *) NULL;
length=0;
if ((image_info->type != TrueColorType) &&
(image_info->type != TrueColorMatteType) &&
(image_info->type != ColorSeparationType) &&
(image_info->type != ColorSeparationMatteType) &&
(image->colorspace != CMYKColorspace) &&
((SetImageGray(image,&image->exception) != MagickFalse) ||
(SetImageMonochrome(image,&image->exception) != MagickFalse)))
{
/*
Gray images.
*/
(void) WriteBlobString(image,PS3_PseudoClass"\n");
switch (compression)
{
case NoCompression:
default:
{
(void) WriteBlobString(image,PS3_NoCompression"\n");
break;
}
case FaxCompression:
case Group4Compression:
{
(void) WriteBlobString(image,PS3_FaxCompression"\n");
break;
}
case JPEGCompression:
{
(void) WriteBlobString(image,PS3_JPEGCompression"\n");
break;
}
case LZWCompression:
{
(void) WriteBlobString(image,PS3_LZWCompression"\n");
break;
}
case RLECompression:
{
(void) WriteBlobString(image,PS3_RLECompression"\n");
break;
}
case ZipCompression:
{
(void) WriteBlobString(image,PS3_ZipCompression"\n");
break;
}
}
/*
Number of colors -- 0 for single component non-color mapped data.
*/
(void) WriteBlobString(image,"0\n");
/*
1 bit or 8 bit components?
*/
(void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
SetImageMonochrome(image,&image->exception) != MagickFalse ? 1 : 8);
(void) WriteBlobString(image,buffer);
/*
Image data.
*/
if (compression == JPEGCompression)
status=InjectImageBlob(image_info,image,image,"jpeg",
&image->exception);
else
if ((compression == FaxCompression) ||
(compression == Group4Compression))
{
if (LocaleCompare(CCITTParam,"0") == 0)
status=HuffmanEncodeImage(image_info,image,image);
else
status=Huffman2DEncodeImage(image_info,image,image);
}
else
{
status=SerializeImageChannel(image_info,image,&pixel_info,
&length);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
switch (compression)
{
case NoCompression:
default:
{
Ascii85Initialize(image);
for (i=0; i < (ssize_t) length; i++)
Ascii85Encode(image,pixels[i]);
Ascii85Flush(image);
status=MagickTrue;
break;
}
case LZWCompression:
{
status=LZWEncodeImage(image,length,pixels);
break;
}
case RLECompression:
{
status=PackbitsEncodeImage(image,length,pixels);
break;
}
case ZipCompression:
{
status=ZLIBEncodeImage(image,length,pixels);
break;
}
}
pixel_info=RelinquishVirtualMemory(pixel_info);
}
}
else
if ((image->storage_class == DirectClass) || (image->colors > 256) ||
(compression == JPEGCompression))
{
/*
Truecolor image.
*/
(void) WriteBlobString(image,PS3_DirectClass"\n");
switch (compression)
{
case NoCompression:
default:
{
(void) WriteBlobString(image,PS3_NoCompression"\n");
break;
}
case RLECompression:
{
(void) WriteBlobString(image,PS3_RLECompression"\n");
break;
}
case JPEGCompression:
{
(void) WriteBlobString(image,PS3_JPEGCompression"\n");
break;
}
case LZWCompression:
{
(void) WriteBlobString(image,PS3_LZWCompression"\n");
break;
}
case ZipCompression:
{
(void) WriteBlobString(image,PS3_ZipCompression"\n");
break;
}
}
/*
Image data.
*/
if (compression == JPEGCompression)
status=InjectImageBlob(image_info,image,image,"jpeg",
&image->exception);
else
{
/*
Stream based compressions.
*/
status=SerializeImage(image_info,image,&pixel_info,&length);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
switch (compression)
{
case NoCompression:
default:
{
Ascii85Initialize(image);
for (i=0; i < (ssize_t) length; i++)
Ascii85Encode(image,pixels[i]);
Ascii85Flush(image);
status=MagickTrue;
break;
}
case RLECompression:
{
status=PackbitsEncodeImage(image,length,pixels);
break;
}
case LZWCompression:
{
status=LZWEncodeImage(image,length,pixels);
break;
}
case ZipCompression:
{
status=ZLIBEncodeImage(image,length,pixels);
break;
}
}
pixel_info=RelinquishVirtualMemory(pixel_info);
}
}
else
{
/*
Colormapped images.
*/
(void) WriteBlobString(image,PS3_PseudoClass"\n");
switch (compression)
{
case NoCompression:
default:
{
(void) WriteBlobString(image,PS3_NoCompression"\n");
break;
}
case RLECompression:
{
(void) WriteBlobString(image,PS3_RLECompression"\n");
break;
}
case LZWCompression:
{
(void) WriteBlobString(image,PS3_LZWCompression"\n");
break;
}
case ZipCompression:
{
(void) WriteBlobString(image,PS3_ZipCompression"\n");
break;
}
}
/*
Number of colors in color map.
*/
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",
(double) image->colors);
(void) WriteBlobString(image,buffer);
/*
Color map - uncompressed.
*/
if ((compression != NoCompression) &&
(compression != UndefinedCompression))
{
for (i=0; i < (ssize_t) image->colors; i++)
{
pixel=ScaleQuantumToChar(image->colormap[i].red);
(void) WriteBlobByte(image,(unsigned char) pixel);
pixel=ScaleQuantumToChar(image->colormap[i].green);
(void) WriteBlobByte(image,(unsigned char) pixel);
pixel=ScaleQuantumToChar(image->colormap[i].blue);
(void) WriteBlobByte(image,(unsigned char) pixel);
}
}
else
{
Ascii85Initialize(image);
for (i=0; i < (ssize_t) image->colors; i++)
{
pixel=ScaleQuantumToChar(image->colormap[i].red);
Ascii85Encode(image,(unsigned char) pixel);
pixel=ScaleQuantumToChar(image->colormap[i].green);
Ascii85Encode(image,(unsigned char) pixel);
pixel=ScaleQuantumToChar(image->colormap[i].blue);
Ascii85Encode(image,(unsigned char) pixel);
}
Ascii85Flush(image);
}
status=SerializeImageIndexes(image_info,image,&pixel_info,&length);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
switch (compression)
{
case NoCompression:
default:
{
Ascii85Initialize(image);
for (i=0; i < (ssize_t) length; i++)
Ascii85Encode(image,pixels[i]);
Ascii85Flush(image);
status=MagickTrue;
break;
}
case RLECompression:
{
status=PackbitsEncodeImage(image,length,pixels);
break;
}
case LZWCompression:
{
status=LZWEncodeImage(image,length,pixels);
break;
}
case ZipCompression:
{
status=ZLIBEncodeImage(image,length,pixels);
break;
}
}
pixel_info=RelinquishVirtualMemory(pixel_info);
}
(void) WriteBlobByte(image,'\n');
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
/*
Update BeginData now that we know the data size.
*/
length=(size_t) (TellBlob(image)-stop);
stop=TellBlob(image);
if (stop < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
offset=SeekBlob(image,start,SEEK_SET);
if (offset < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%BeginData:%13ld %s Bytes\n",(long) length,
compression == NoCompression ? "ASCII" : "BINARY");
(void) WriteBlobString(image,buffer);
(void) SeekBlob(image,stop,SEEK_SET);
(void) WriteBlobString(image,"%%EndData\n");
/*
End private dictionary if this an EPS.
*/
if (LocaleCompare(image_info->magick,"PS3") != 0)
(void) WriteBlobString(image,"end\n");
(void) WriteBlobString(image,"%%PageTrailer\n");
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,
GetImageListLength(image));
if (status == MagickFalse)
break;
} while (image_info->adjoin != MagickFalse);
(void) WriteBlobString(image,"%%Trailer\n");
if (page > 1)
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5),
ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MaxTextExtent,
"%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,bounds.x2,
bounds.y2);
(void) WriteBlobString(image,buffer);
}
(void) WriteBlobString(image,"%%EOF\n");
(void) CloseBlob(image);
return(MagickTrue);
}