/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% PPPP SSSSS 22222 %
% P P SS 22 %
% PPPP SSS 222 %
% P SS 22 %
% P SSSSS 22222 %
% %
% %
% Write Postscript Level II Format. %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2007 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/blob.h"
#include "magick/blob-private.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/resource_.h"
#include "magick/property.h"
#include "magick/quantum-private.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/module.h"
#include "magick/utility.h"
#if defined(HasTIFF)
#define CCITTParam "-1"
#else
#define CCITTParam "0"
#endif
/*
Forward declarations.
*/
static MagickBooleanType
WritePS2Image(const ImageInfo *,Image *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r P S 2 I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterPS2Image() adds properties for the PS2 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 RegisterPS2Image method is:
%
% unsigned long RegisterPS2Image(void)
%
*/
ModuleExport unsigned long RegisterPS2Image(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("EPS2");
entry->encoder=(EncodeImageHandler *) WritePS2Image;
entry->adjoin=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->description=ConstantString("Level II Encapsulated PostScript");
entry->module=ConstantString("PS2");
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("PS2");
entry->encoder=(EncodeImageHandler *) WritePS2Image;
entry->seekable_stream=MagickTrue;
entry->description=ConstantString("Level II PostScript");
entry->module=ConstantString("PS2");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r P S 2 I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterPS2Image() removes format registrations made by the
% PS2 module from the list of supported formats.
%
% The format of the UnregisterPS2Image method is:
%
% UnregisterPS2Image(void)
%
*/
ModuleExport void UnregisterPS2Image(void)
{
(void) UnregisterMagickInfo("EPS2");
(void) UnregisterMagickInfo("PS2");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e P S 2 I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WritePS2Image translates an image to encapsulated Postscript
% Level II 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 WritePS2Image method is:
%
% MagickBooleanType WritePS2Image(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows:
%
% o image_info: The image info.
%
% o image: The image.
%
*/
static MagickBooleanType WritePS2Image(const ImageInfo *image_info,Image *image)
{
static const char
*PostscriptProlog[]=
{
"%%%%BeginProlog",
"%%",
"%% Display a color image. The image is displayed in color on",
"%% Postscript viewers or printers that support color, otherwise",
"%% it is displayed as grayscale.",
"%%",
"/DirectClassImage",
"{",
" %%",
" %% Display a DirectClass image.",
" %%",
" colorspace 0 eq",
" {",
" /DeviceRGB setcolorspace",
" <<",
" /ImageType 1",
" /Width columns",
" /Height rows",
" /BitsPerComponent 8",
" /Decode [0 1 0 1 0 1]",
" /ImageMatrix [columns 0 0 rows neg 0 rows]",
" compression 0 gt",
" { /DataSource pixel_stream /%s filter }",
" { /DataSource pixel_stream /%s filter } ifelse",
" >> image",
" }",
" {",
" /DeviceCMYK setcolorspace",
" <<",
" /ImageType 1",
" /Width columns",
" /Height rows",
" /BitsPerComponent 8",
" /Decode [1 0 1 0 1 0 1 0]",
" /ImageMatrix [columns 0 0 rows neg 0 rows]",
" compression 0 gt",
" { /DataSource pixel_stream /%s filter }",
" { /DataSource pixel_stream /%s filter } ifelse",
" >> image",
" } ifelse",
"} bind def",
"",
"/PseudoClassImage",
"{",
" %%",
" %% Display a PseudoClass image.",
" %%",
" %% Parameters:",
" %% colors: number of colors in the colormap.",
" %%",
" currentfile buffer readline pop",
" token pop /colors exch def pop",
" colors 0 eq",
" {",
" %%",
" %% Image is grayscale.",
" %%",
" 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]",
" compression 0 gt",
" { /DataSource pixel_stream /%s filter }",
" {",
" /DataSource pixel_stream /%s filter",
" <<",
" /K "CCITTParam,
" /Columns columns",
" /Rows rows",
" >> /CCITTFaxDecode filter",
" } ifelse",
" >> image",
" }",
" {",
" %%",
" %% Parameters:",
" %% colormap: red, green, blue color packets.",
" %%",
" /colormap colors 3 mul string def",
" currentfile colormap readhexstring pop pop",
" currentfile buffer readline pop",
" [ /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]",
" compression 0 gt",
" { /DataSource pixel_stream /%s filter }",
" { /DataSource pixel_stream /%s filter } ifelse",
" >> image",
" } ifelse",
"} bind def",
"",
"/DisplayImage",
"{",
" %%",
" %% Display a DirectClass or PseudoClass image.",
" %%",
" %% Parameters:",
" %% x & y translation.",
" %% x & y scale.",
" %% label pointsize.",
" %% image label.",
" %% image columns & rows.",
" %% class: 0-DirectClass or 1-PseudoClass.",
" %% colorspace: 0-RGB or 1-CMYK.",
" %% compression: 0-RLECompression or 1-NoCompression.",
" %% hex color packets.",
" %%",
" gsave",
" /buffer 512 string def",
" /pixel_stream currentfile def",
"",
" currentfile buffer readline pop",
" token pop /x exch def",
" token pop /y exch def pop",
" x y translate",
" 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",
" /Helvetica findfont pointsize scalefont setfont",
(char *) NULL
},
*PostscriptEpilog[]=
{
" x y scale",
" currentfile buffer readline pop",
" token pop /columns exch def",
" token pop /rows exch def pop",
" currentfile buffer readline pop",
" token pop /class exch def pop",
" currentfile buffer readline pop",
" token pop /colorspace exch def pop",
" currentfile buffer readline pop",
" token pop /compression exch def pop",
" class 0 gt { PseudoClassImage } { DirectClassImage } ifelse",
" grestore",
(char *) NULL
};
char
buffer[MaxTextExtent],
date[MaxTextExtent],
page_geometry[MaxTextExtent],
**labels;
CompressionType
compression;
const char
**q,
*value;
double
pointsize;
GeometryInfo
geometry_info;
long
j,
y;
MagickOffsetType
scene,
start,
stop;
MagickBooleanType
status;
MagickOffsetType
offset;
MagickSizeType
number_pixels;
MagickStatusType
flags;
PointInfo
delta,
resolution,
scale;
RectangleInfo
geometry,
media_info,
page_info;
register const PixelPacket
*p;
register IndexPacket
*indexes;
register long
x;
register long
i;
SegmentInfo
bounds;
size_t
length;
time_t
timer;
unsigned char
*pixels;
unsigned long
page,
text_size;
/*
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(status);
compression=image->compression;
switch (compression)
{
#if !defined(HasJPEG)
case JPEGCompression:
{
compression=RLECompression;
(void) ThrowMagickException(&image->exception,GetMagickModule(),
MissingDelegateError,"JPEGLibraryIsNotAvailable","`%s'",
image->filename);
break;
}
#endif
default:
break;
}
(void) ResetMagickMemory(&bounds,0,sizeof(bounds));
page=1;
scene=0;
do
{
/*
Scale relative to dots-per-inch.
*/
delta.x=DefaultResolution;
delta.y=DefaultResolution;
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->x_resolution != 0.0)
resolution.x=image->x_resolution;
if (image->y_resolution != 0.0)
resolution.y=image->y_resolution;
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*=2.54;
resolution.y*=2.54;
}
SetGeometry(image,&geometry);
(void) FormatMagickString(page_geometry,MaxTextExtent,"%lux%lu",
image->columns,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) FormatMagickString(page_geometry,MaxTextExtent,"%lux%lu%+ld%+ld",
image->page.width,image->page.height,image->page.x,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=(unsigned long) (scale.x+0.5);
scale.y=(double) (geometry.height*delta.y)/resolution.y;
geometry.height=(unsigned long) (scale.y+0.5);
(void) ParseAbsoluteGeometry(page_geometry,&media_info);
(void) ParseGravityGeometry(image,page_geometry,&page_info);
if (image->gravity != UndefinedGravity)
{
geometry.x=(-page_info.x);
geometry.y=(long) (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=(unsigned long) (MultilineCensus(value)*pointsize+12);
if (page == 1)
{
/*
Output Postscript header.
*/
if (LocaleCompare(image_info->magick,"PS2") == 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) WriteBlobString(image,"%%Creator: (ImageMagick)\n");
(void) FormatMagickString(buffer,MaxTextExtent,"%%%%Title: (%s)\n",
image->filename);
(void) WriteBlobString(image,buffer);
timer=time((time_t *) NULL);
(void) localtime(&timer);
(void) CopyMagickString(date,ctime(&timer),MaxTextExtent);
date[strlen(date)-1]='\0';
(void) FormatMagickString(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+geometry.width;
bounds.y2=(double) geometry.y+geometry.height+text_size;
if ((image_info->adjoin != MagickFalse) &&
(GetNextImageInList(image) != (Image *) NULL))
(void) CopyMagickString(buffer,"%%BoundingBox: (atend)\n",
MaxTextExtent);
else
{
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%BoundingBox: %ld %ld %ld %ld\n",(long) (bounds.x1+0.5),
(long) (bounds.y1+0.5),
(long) (bounds.x2+0.5),(long) (bounds.y2+0.5));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
bounds.x2,bounds.y2);
}
(void) WriteBlobString(image,buffer);
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
(void) WriteBlobString(image,
"%%DocumentNeededResources: font Helvetica\n");
(void) WriteBlobString(image,"%%LanguageLevel: 2\n");
if (LocaleCompare(image_info->magick,"PS2") != 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) FormatMagickString(buffer,MaxTextExtent,"%%%%Pages: %lu\n",
(unsigned long) GetImageListLength(image));
(void) WriteBlobString(image,buffer);
}
(void) WriteBlobString(image,"%%EndComments\n");
(void) WriteBlobString(image,"\n%%BeginDefaults\n");
(void) WriteBlobString(image,"%%EndDefaults\n\n");
/*
Output Postscript commands.
*/
for (q=PostscriptProlog; *q; q++)
{
switch (compression)
{
case NoCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,*q,
"ASCII85Decode");
break;
}
case JPEGCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,*q,"DCTDecode");
break;
}
case LZWCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,*q,"LZWDecode");
break;
}
case FaxCompression:
case Group4Compression:
{
(void) FormatMagickString(buffer,MaxTextExtent,*q,
"ASCII85Decode");
break;
}
default:
{
(void) FormatMagickString(buffer,MaxTextExtent,*q,
"RunLengthDecode");
break;
}
}
(void) WriteBlobString(image,buffer);
(void) WriteBlobByte(image,'\n');
}
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
for (j=(long) MultilineCensus(value)-1; j >= 0; j--)
{
(void) WriteBlobString(image," /label 512 string def\n");
(void) WriteBlobString(image," currentfile label readline pop\n");
(void) FormatMagickString(buffer,MaxTextExtent,
" 0 y %g add moveto label show pop\n",j*pointsize+12);
(void) WriteBlobString(image,buffer);
}
for (q=PostscriptEpilog; *q; q++)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%s\n",*q);
(void) WriteBlobString(image,buffer);
}
if (LocaleCompare(image_info->magick,"PS2") == 0)
(void) WriteBlobString(image," showpage\n");
(void) WriteBlobString(image,"} bind def\n");
(void) WriteBlobString(image,"%%EndProlog\n");
}
(void) FormatMagickString(buffer,MaxTextExtent,"%%%%Page: 1 %lu\n",page++);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%PageBoundingBox: %ld %ld %ld %ld\n",geometry.x,geometry.y,
geometry.x+(long) geometry.width,geometry.y+(long)
(geometry.height+text_size));
(void) WriteBlobString(image,buffer);
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+geometry.width-1) > bounds.x2)
bounds.x2=(double) geometry.x+geometry.width-1;
if ((double) (geometry.y+(geometry.height+text_size)-1) > bounds.y2)
bounds.y2=(double) geometry.y+(geometry.height+text_size)-1;
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
(void) WriteBlobString(image,"%%PageResources: font Times-Roman\n");
if (LocaleCompare(image_info->magick,"PS2") != 0)
(void) WriteBlobString(image,"userdict begin\n");
start=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%BeginData:%13ld %s Bytes\n",0L,
compression == NoCompression ? "ASCII" : "Binary");
(void) WriteBlobString(image,buffer);
stop=TellBlob(image);
(void) WriteBlobString(image,"DisplayImage\n");
/*
Output image data.
*/
(void) FormatMagickString(buffer,MaxTextExtent,"%ld %ld\n%g %g\n%f\n",
geometry.x,geometry.y,scale.x,scale.y,pointsize);
(void) WriteBlobString(image,buffer);
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++)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%s \n",
labels[i]);
(void) WriteBlobString(image,buffer);
labels[i]=DestroyString(labels[i]);
}
labels=(char **) RelinquishMagickMemory(labels);
}
number_pixels=(MagickSizeType) image->columns*image->rows;
if (number_pixels != (MagickSizeType) ((size_t) number_pixels))
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
if ((compression == FaxCompression) || (compression == Group4Compression) ||
((image_info->type != TrueColorType) &&
(IsGrayImage(image,&image->exception) != MagickFalse)))
{
(void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n1\n%d\n",
image->columns,image->rows,(int)
(image->colorspace == CMYKColorspace));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
(int) ((compression != FaxCompression) &&
(compression != Group4Compression)));
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"0\n");
(void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
(compression == FaxCompression) ||
(compression == Group4Compression) ? 1 : 8);
(void) WriteBlobString(image,buffer);
switch (compression)
{
case FaxCompression:
case Group4Compression:
{
if (LocaleCompare(CCITTParam,"0") == 0)
{
(void) HuffmanEncodeImage(image_info,image);
break;
}
#if defined(HasTIFF)
(void) Huffman2DEncodeImage(image_info,image);
#endif
break;
}
case JPEGCompression:
{
status=InjectImageBlob(image_info,image,"jpeg");
if (status == MagickFalse)
ThrowWriterException(CoderError,image->exception.reason);
break;
}
case RLECompression:
default:
{
register unsigned char
*q;
/*
Allocate pixel array.
*/
length=(size_t) number_pixels;
pixels=(unsigned char *) AcquireQuantumMemory(length,
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
/*
Dump Runlength encoded pixels.
*/
q=pixels;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
*q++=ScaleQuantumToChar(PixelIntensityToQuantum(p));
p++;
}
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed PseudoColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
Ascii85Encode(image,
ScaleQuantumToChar(PixelIntensityToQuantum(p)));
p++;
}
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
Ascii85Flush(image);
break;
}
}
}
else
if ((image->storage_class == DirectClass) || (image->colors > 256) ||
(compression == JPEGCompression) || (image->matte != MagickFalse))
{
(void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n0\n%d\n",
image->columns,image->rows,(int)
(image->colorspace == CMYKColorspace));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
(int) (compression == NoCompression));
(void) WriteBlobString(image,buffer);
switch (compression)
{
case JPEGCompression:
{
status=InjectImageBlob(image_info,image,"jpeg");
if (status == MagickFalse)
ThrowWriterException(CoderError,image->exception.reason);
break;
}
case RLECompression:
default:
{
register unsigned char
*q;
/*
Allocate pixel array.
*/
length=(size_t) number_pixels;
pixels=(unsigned char *) AcquireQuantumMemory(length,
4*sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,
"MemoryAllocationFailed");
/*
Dump Packbit encoded pixels.
*/
q=pixels;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetIndexes(image);
for (x=0; x < (long) image->columns; x++)
{
if ((image->matte != MagickFalse) &&
(p->opacity == (Quantum) TransparentOpacity))
{
*q++=ScaleQuantumToChar((Quantum) QuantumRange);
*q++=ScaleQuantumToChar((Quantum) QuantumRange);
*q++=ScaleQuantumToChar((Quantum) QuantumRange);
}
else
if (image->colorspace != CMYKColorspace)
{
*q++=ScaleQuantumToChar(p->red);
*q++=ScaleQuantumToChar(p->green);
*q++=ScaleQuantumToChar(p->blue);
}
else
{
*q++=ScaleQuantumToChar(p->red);
*q++=ScaleQuantumToChar(p->green);
*q++=ScaleQuantumToChar(p->blue);
*q++=ScaleQuantumToChar(indexes[x]);
}
p++;
}
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
if (status == MagickFalse)
{
CloseBlob(image);
return(MagickFalse);
}
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
break;
}
case NoCompression:
{
/*
Dump uncompressed DirectColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetIndexes(image);
for (x=0; x < (long) image->columns; x++)
{
if ((image->matte != MagickFalse) &&
(p->opacity == (Quantum) TransparentOpacity))
{
Ascii85Encode(image,ScaleQuantumToChar((Quantum)
QuantumRange));
Ascii85Encode(image,ScaleQuantumToChar((Quantum)
QuantumRange));
Ascii85Encode(image,ScaleQuantumToChar((Quantum)
QuantumRange));
}
else
if (image->colorspace != CMYKColorspace)
{
Ascii85Encode(image,ScaleQuantumToChar(p->red));
Ascii85Encode(image,ScaleQuantumToChar(p->green));
Ascii85Encode(image,ScaleQuantumToChar(p->blue));
}
else
{
Ascii85Encode(image,ScaleQuantumToChar(p->red));
Ascii85Encode(image,ScaleQuantumToChar(p->green));
Ascii85Encode(image,ScaleQuantumToChar(p->blue));
Ascii85Encode(image,ScaleQuantumToChar(indexes[x]));
}
p++;
}
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
Ascii85Flush(image);
break;
}
}
}
else
{
/*
Dump number of colors and colormap.
*/
(void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n1\n%d\n",
image->columns,image->rows,(int)
(image->colorspace == CMYKColorspace));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
(int) (compression == NoCompression));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",image->colors);
(void) WriteBlobString(image,buffer);
for (i=0; i < (long) image->colors; i++)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%02X%02X%02X\n",
ScaleQuantumToChar(image->colormap[i].red),
ScaleQuantumToChar(image->colormap[i].green),
ScaleQuantumToChar(image->colormap[i].blue));
(void) WriteBlobString(image,buffer);
}
switch (compression)
{
case RLECompression:
default:
{
register unsigned char
*q;
/*
Allocate pixel array.
*/
length=(size_t) number_pixels;
pixels=(unsigned char *) AcquireQuantumMemory(length,
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,
"MemoryAllocationFailed");
/*
Dump Runlength encoded pixels.
*/
q=pixels;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetIndexes(image);
for (x=0; x < (long) image->columns; x++)
*q++=(unsigned char) indexes[x];
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed PseudoColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetIndexes(image);
for (x=0; x < (long) image->columns; x++)
Ascii85Encode(image,(unsigned char) indexes[x]);
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
Ascii85Flush(image);
break;
}
}
}
(void) WriteBlobByte(image,'\n');
length=(size_t) (TellBlob(image)-stop);
stop=TellBlob(image);
offset=SeekBlob(image,start,SEEK_SET);
if (offset < 0)
ThrowWriterException(CorruptImageError,"ImproperImageHeader");
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%BeginData:%13ld %s Bytes\n",(long) length,
compression == NoCompression ? "ASCII" : "Binary");
(void) WriteBlobString(image,buffer);
offset=SeekBlob(image,stop,SEEK_SET);
(void) WriteBlobString(image,"%%EndData\n");
if (LocaleCompare(image_info->magick,"PS2") != 0)
(void) WriteBlobString(image,"end\n");
(void) WriteBlobString(image,"%%PageTrailer\n");
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(SaveImagesTag,scene,
GetImageListLength(image),image->client_data);
if (status == MagickFalse)
break;
}
scene++;
} while (image_info->adjoin != MagickFalse);
(void) WriteBlobString(image,"%%Trailer\n");
if (page > 1)
{
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%BoundingBox: %ld %ld %ld %ld\n",(long) (bounds.x1+0.5),
(long) (bounds.y1+0.5),(long) (bounds.x2+0.5),(long) (bounds.y2+0.5));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(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");
CloseBlob(image);
return(MagickTrue);
}
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