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gerrit-public.fairphone.software / platform / external / ImageMagick / 9ca5955485adc09678f63b726b5009eb8d28cb66 / . / coders / pdf.c
blob: 6234c88bfc3ace2521d36893e63484664ba36ae9 [file] [log] [blame]
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% PPPP DDDD FFFFF %
% P P D D F %
% PPPP D D FFF %
% P D D F %
% P DDDD F %
% %
% %
% Read/Write Portable Document Format %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2009 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/cache.h"
#include "magick/color.h"
#include "magick/color-private.h"
#include "magick/colorspace.h"
#include "magick/compress.h"
#include "magick/constitute.h"
#include "magick/delegate.h"
#include "magick/delegate-private.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/profile.h"
#include "magick/property.h"
#include "magick/quantum-private.h"
#include "magick/resource_.h"
#include "magick/resize.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/module.h"
#include "magick/transform.h"
#include "magick/utility.h"
#include "magick/module.h"
#if defined(MAGICKCORE_TIFF_DELEGATE)
#if defined(MAGICKCORE_HAVE_TIFFCONF_H)
#include "tiffconf.h"
#endif
#include "tiffio.h"
#define CCITTParam "-1"
#else
#define CCITTParam "0"
#endif
/*
Forward declarations.
*/
static MagickBooleanType
WritePDFImage(const ImageInfo *,Image *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I n v o k e P D F D e l e g a t e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InvokePDFDelegate() executes the PDF interpreter with the specified command.
%
% The format of the InvokePDFDelegate method is:
%
% MagickBooleanType InvokePDFDelegate(const MagickBooleanType verbose,
% const char *command,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o verbose: A value other than zero displays the command prior to
% executing it.
%
% o command: the address of a character string containing the command to
% execute.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType InvokePDFDelegate(const MagickBooleanType verbose,
const char *command,ExceptionInfo *exception)
{
int
status;
#if defined(MAGICKCORE_GS_DELEGATE) || defined(__WINDOWS__)
char
**argv;
const GhostInfo
*ghost_info;
gs_main_instance
*interpreter;
int
argc,
code;
register long
i;
#if defined(__WINDOWS__)
ghost_info=NTGhostscriptDLLVectors();
#else
GhostInfo
ghost_info_struct;
ghost_info=(&ghost_info_struct);
(void) ResetMagickMemory(&ghost_info,0,sizeof(ghost_info));
ghost_info_struct.new_instance=(int (*)(gs_main_instance **,void *))
gsapi_new_instance;
ghost_info_struct.init_with_args=(int (*)(gs_main_instance *,int,char **))
gsapi_init_with_args;
ghost_info_struct.run_string=(int (*)(gs_main_instance *,const char *,int,
int *)) gsapi_run_string;
ghost_info_struct.delete_instance=(void (*)(gs_main_instance *))
gsapi_delete_instance;
ghost_info_struct.exit=(int (*)(gs_main_instance *)) gsapi_exit;
#endif
if (ghost_info == (GhostInfo *) NULL)
{
status=SystemCommand(verbose,command,exception);
return(status == 0 ? MagickTrue : MagickFalse);
}
if (verbose != MagickFalse)
{
(void) fputs("[ghostscript library]",stdout);
(void) fputs(strchr(command,' '),stdout);
}
status=(ghost_info->new_instance)(&interpreter,(void *) NULL);
if (status < 0)
{
status=SystemCommand(verbose,command,exception);
return(status == 0 ? MagickTrue : MagickFalse);
}
argv=StringToArgv(command,&argc);
status=(ghost_info->init_with_args)(interpreter,argc-1,argv+1);
if (status == 0)
status=(ghost_info->run_string)(interpreter,"systemdict /start get exec\n",
0,&code);
(ghost_info->exit)(interpreter);
(ghost_info->delete_instance)(interpreter);
#if defined(__WINDOWS__)
NTGhostscriptUnLoadDLL();
#endif
for (i=0; i < (long) argc; i++)
argv[i]=DestroyString(argv[i]);
argv=(char **) RelinquishMagickMemory(argv);
if ((status != 0) && (status != -101))
{
char
*message;
message=GetExceptionMessage(errno);
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
"`%s': %s",command,message);
message=DestroyString(message);
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Ghostscript returns status %d, exit code %d",status,code);
return(MagickFalse);
}
return(MagickTrue);
#else
status=SystemCommand(verbose,command,exception);
return(status == 0 ? MagickTrue : MagickFalse);
#endif
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I s P D F %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% IsPDF() returns MagickTrue if the image format type, identified by the
% magick string, is PDF.
%
% The format of the IsPDF method is:
%
% MagickBooleanType IsPDF(const unsigned char *magick,const size_t offset)
%
% A description of each parameter follows:
%
% o magick: compare image format pattern against these bytes.
%
% o offset: Specifies the offset of the magick string.
%
*/
static MagickBooleanType IsPDF(const unsigned char *magick,const size_t offset)
{
if (offset < 5)
return(MagickFalse);
if (LocaleNCompare((const char *) magick,"%PDF-",5) == 0)
return(MagickTrue);
return(MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d P D F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadPDFImage() reads a Portable Document Format 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 ReadPDFImage method is:
%
% Image *ReadPDFImage(const ImageInfo *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 MagickBooleanType IsPDFRendered(const char *path)
{
MagickBooleanType
status;
struct stat
attributes;
if ((path == (const char *) NULL) || (*path == '\0'))
return(MagickFalse);
status=GetPathAttributes(path,&attributes);
if ((status != MagickFalse) && S_ISREG(attributes.st_mode) &&
(attributes.st_size > 0))
return(MagickTrue);
return(MagickFalse);
}
static Image *ReadPDFImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define CropBox "CropBox"
#define DeviceCMYK "DeviceCMYK"
#define MediaBox "MediaBox"
#define RenderPostscriptText "Rendering Postscript... "
#define PDFRotate "Rotate"
#define SpotColor "Separation"
#define TrimBox "TrimBox"
#define PDFVersion "PDF-"
char
command[MaxTextExtent],
density[MaxTextExtent],
filename[MaxTextExtent],
geometry[MaxTextExtent],
options[MaxTextExtent],
input_filename[MaxTextExtent],
postscript_filename[MaxTextExtent];
const char
*option;
const DelegateInfo
*delegate_info;
double
angle;
Image
*image,
*next,
*pdf_image;
ImageInfo
*read_info;
int
file;
MagickBooleanType
cmyk,
cropbox,
trimbox,
status;
PointInfo
delta;
RectangleInfo
bounding_box,
page;
register char
*p;
register int
c;
SegmentInfo
bounds,
hires_bounds;
ssize_t
count;
unsigned long
scene,
spotcolor;
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
/*
Open image file.
*/
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
if (status == MagickFalse)
{
ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
image_info->filename);
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Set the page density.
*/
delta.x=DefaultResolution;
delta.y=DefaultResolution;
if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0))
{
GeometryInfo
geometry_info;
MagickStatusType
flags;
flags=ParseGeometry(PSDensityGeometry,&geometry_info);
image->x_resolution=geometry_info.rho;
image->y_resolution=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->y_resolution=image->x_resolution;
}
/*
Determine page geometry from the PDF media box.
*/
cmyk=image_info->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
cropbox=MagickFalse;
option=GetImageOption(image_info,"pdf:use-cropbox");
if (option != (const char *) NULL)
cropbox=IsMagickTrue(option);
trimbox=MagickFalse;
option=GetImageOption(image_info,"pdf:use-trimbox");
if (option != (const char *) NULL)
trimbox=IsMagickTrue(option);
count=0;
spotcolor=0;
(void) ResetMagickMemory(&bounding_box,0,sizeof(bounding_box));
(void) ResetMagickMemory(&bounds,0,sizeof(bounds));
(void) ResetMagickMemory(&hires_bounds,0,sizeof(hires_bounds));
(void) ResetMagickMemory(&page,0,sizeof(page));
(void) ResetMagickMemory(command,0,sizeof(command));
hires_bounds.x2=0.0;
hires_bounds.y2=0.0;
angle=0.0;
p=command;
for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
{
/*
Note PDF elements.
*/
if (c == '\n')
c=' ';
*p++=(char) c;
if ((c != (int) '/') && (c != (int) '%') &&
((size_t) (p-command) < (MaxTextExtent-1)))
continue;
*(--p)='\0';
p=command;
if (LocaleNCompare(PDFRotate,command,strlen(PDFRotate)) == 0)
count=(ssize_t) sscanf(command,"Rotate %lf",&angle);
/*
Is this a CMYK document?
*/
if (LocaleNCompare(DeviceCMYK,command,strlen(DeviceCMYK)) == 0)
cmyk=MagickTrue;
if (LocaleNCompare(SpotColor,command,strlen(SpotColor)) == 0)
{
char
name[MaxTextExtent],
property[MaxTextExtent],
*value;
register long
i;
/*
Note spot names.
*/
(void) FormatMagickString(property,MaxTextExtent,"pdf:SpotColor-%lu",
spotcolor++);
i=0;
for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
{
if ((isspace(c) != 0) || (c == '/') || ((i+1) == MaxTextExtent))
break;
name[i++]=(char) c;
}
name[i]='\0';
value=AcquireString(name);
(void) SubstituteString(&value,"#20"," ");
(void) SetImageProperty(image,property,value);
value=DestroyString(value);
continue;
}
if (LocaleNCompare(PDFVersion,command,strlen(PDFVersion)) == 0)
(void) SetImageProperty(image,"pdf:Version",command);
count=0;
if (cropbox != MagickFalse)
{
if (LocaleNCompare(CropBox,command,strlen(CropBox)) == 0)
{
/*
Note region defined by crop box.
*/
count=(ssize_t) sscanf(command,"CropBox [%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
if (count != 4)
count=(ssize_t) sscanf(command,"CropBox[%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
}
}
else
if (trimbox != MagickFalse)
{
if (LocaleNCompare(TrimBox,command,strlen(TrimBox)) == 0)
{
/*
Note region defined by trim box.
*/
count=(ssize_t) sscanf(command,"TrimBox [%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
if (count != 4)
count=(ssize_t) sscanf(command,"TrimBox[%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
}
}
else
if (LocaleNCompare(MediaBox,command,strlen(MediaBox)) == 0)
{
/*
Note region defined by media box.
*/
count=(ssize_t) sscanf(command,"MediaBox [%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
if (count != 4)
count=(ssize_t) sscanf(command,"MediaBox[%lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
}
if (count != 4)
continue;
if (((bounds.x2 > hires_bounds.x2) && (bounds.y2 > hires_bounds.y2)) ||
((hires_bounds.x2 == 0.0) && (hires_bounds.y2 == 0.0)))
{
/*
Set PDF render geometry.
*/
(void) FormatMagickString(geometry,MaxTextExtent,"%gx%g%+g%+g",
bounds.x2-bounds.x1,bounds.y2-bounds.y1,bounds.x1,bounds.y1);
(void) SetImageProperty(image,"pdf:HiResBoundingBox",geometry);
page.width=(unsigned long) (bounds.x2-bounds.x1+0.5);
page.height=(unsigned long) (bounds.y2-bounds.y1+0.5);
hires_bounds=bounds;
}
}
(void) CloseBlob(image);
if ((fabs(angle) == 90.0) || (fabs(angle) == 270.0))
{
unsigned long
swap;
swap=page.width;
page.width=page.height;
page.height=swap;
}
if (image_info->colorspace == RGBColorspace)
cmyk=MagickFalse;
/*
Create Ghostscript control file.
*/
file=AcquireUniqueFileResource(postscript_filename);
if (file == -1)
{
ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
image_info->filename);
image=DestroyImage(image);
return((Image *) NULL);
}
count=write(file," ",1);
file=close(file)-1;
/*
Render Postscript with the Ghostscript delegate.
*/
if ((image_info->ping != MagickFalse) ||
(image_info->monochrome != MagickFalse))
delegate_info=GetDelegateInfo("ps:mono",(char *) NULL,exception);
else
if (cmyk != MagickFalse)
delegate_info=GetDelegateInfo("ps:cmyk",(char *) NULL,exception);
else
if (LocaleCompare(image_info->magick,"AI") == 0)
delegate_info=GetDelegateInfo("ps:alpha",(char *) NULL,exception);
else
delegate_info=GetDelegateInfo("ps:color",(char *) NULL,exception);
if (delegate_info == (const DelegateInfo *) NULL)
{
(void) RelinquishUniqueFileResource(postscript_filename);
image=DestroyImage(image);
return((Image *) NULL);
}
*options='\0';
(void) FormatMagickString(density,MaxTextExtent,"%gx%g",image->x_resolution,
image->y_resolution);
if (image_info->page != (char *) NULL)
{
(void) ParseAbsoluteGeometry(image_info->page,&page);
page.width=(unsigned long) (page.width*image->x_resolution/delta.x+0.5);
page.height=(unsigned long) (page.height*image->y_resolution/delta.y+0.5);
(void) FormatMagickString(options,MaxTextExtent,"-g%lux%lu ",page.width,
page.height);
}
if (cmyk != MagickFalse)
(void) ConcatenateMagickString(options,"-dUseCIEColor ",MaxTextExtent);
if (cropbox != MagickFalse)
(void) ConcatenateMagickString(options,"-dUseCropBox ",MaxTextExtent);
if (trimbox != MagickFalse)
(void) ConcatenateMagickString(options,"-dUseTrimBox ",MaxTextExtent);
read_info=CloneImageInfo(image_info);
*read_info->magick='\0';
if (read_info->number_scenes != 0)
{
char
pages[MaxTextExtent];
(void) FormatMagickString(pages,MaxTextExtent,"-dFirstPage=%lu "
"-dLastPage=%lu",read_info->scene+1,read_info->scene+
read_info->number_scenes);
(void) ConcatenateMagickString(options,pages,MaxTextExtent);
read_info->number_scenes=0;
if (read_info->scenes != (char *) NULL)
*read_info->scenes='\0';
}
if (read_info->authenticate != (char *) NULL)
(void) FormatMagickString(options+strlen(options),MaxTextExtent,
" -sPDFPassword=%s",read_info->authenticate);
(void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
(void) AcquireUniqueFilename(read_info->filename);
(void) FormatMagickString(command,MaxTextExtent,
GetDelegateCommands(delegate_info),
read_info->antialias != MagickFalse ? 4 : 1,
read_info->antialias != MagickFalse ? 4 : 1,density,options,
read_info->filename,postscript_filename,input_filename);
status=InvokePDFDelegate(read_info->verbose,command,exception);
pdf_image=(Image *) NULL;
if ((status != MagickFalse) &&
(IsPDFRendered(read_info->filename) != MagickFalse))
pdf_image=ReadImage(read_info,exception);
(void) RelinquishUniqueFileResource(postscript_filename);
(void) RelinquishUniqueFileResource(read_info->filename);
(void) RelinquishUniqueFileResource(input_filename);
read_info=DestroyImageInfo(read_info);
if (pdf_image == (Image *) NULL)
{
ThrowFileException(exception,DelegateError,"PostscriptDelegateFailed",
image_info->filename);
return((Image *) NULL);
}
if (LocaleCompare(pdf_image->magick,"BMP") == 0)
{
Image
*cmyk_image;
cmyk_image=ConsolidateCMYKImages(pdf_image,exception);
if (cmyk_image != (Image *) NULL)
{
pdf_image=DestroyImageList(pdf_image);
pdf_image=cmyk_image;
}
}
if (image_info->number_scenes != 0)
{
Image
*clone_image;
register long
i;
/*
Add place holder images to meet the subimage specification requirement.
*/
for (i=0; i < (long) image_info->scene; i++)
{
clone_image=CloneImage(pdf_image,1,1,MagickTrue,exception);
if (clone_image != (Image *) NULL)
PrependImageToList(&pdf_image,clone_image);
}
}
do
{
(void) CopyMagickString(pdf_image->filename,filename,MaxTextExtent);
pdf_image->page=page;
(void) CloneImageProfiles(pdf_image,image);
(void) CloneImageProperties(pdf_image,image);
next=SyncNextImageInList(pdf_image);
if (next != (Image *) NULL)
pdf_image=next;
} while (next != (Image *) NULL);
image=DestroyImage(image);
scene=0;
for (next=GetFirstImageInList(pdf_image); next != (Image *) NULL; )
{
next->scene=scene++;
next=GetNextImageInList(next);
}
return(GetFirstImageInList(pdf_image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r P D F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterPDFImage() adds properties for the PDF 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 RegisterPDFImage method is:
%
% unsigned long RegisterPDFImage(void)
%
*/
ModuleExport unsigned long RegisterPDFImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("AI");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePDFImage;
entry->adjoin=MagickFalse;
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->thread_support=EncoderThreadSupport;
entry->description=ConstantString("Adobe Illustrator CS2");
entry->module=ConstantString("PDF");
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("EPDF");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePDFImage;
entry->adjoin=MagickFalse;
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->thread_support=EncoderThreadSupport;
entry->description=ConstantString("Encapsulated Portable Document Format");
entry->module=ConstantString("PDF");
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("PDF");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePDFImage;
entry->magick=(IsImageFormatHandler *) IsPDF;
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->thread_support=EncoderThreadSupport;
entry->description=ConstantString("Portable Document Format");
entry->module=ConstantString("PDF");
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("PDFA");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePDFImage;
entry->magick=(IsImageFormatHandler *) IsPDF;
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->thread_support=EncoderThreadSupport;
entry->description=ConstantString("Portable Document Archive Format");
entry->module=ConstantString("PDF");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r P D F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterPDFImage() removes format registrations made by the
% PDF module from the list of supported formats.
%
% The format of the UnregisterPDFImage method is:
%
% UnregisterPDFImage(void)
%
*/
ModuleExport void UnregisterPDFImage(void)
{
(void) UnregisterMagickInfo("AI");
(void) UnregisterMagickInfo("EPDF");
(void) UnregisterMagickInfo("PDF");
(void) UnregisterMagickInfo("PDFA");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e P D F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WritePDFImage() writes an image in the Portable Document image
% format.
%
% The format of the WritePDFImage method is:
%
% MagickBooleanType WritePDFImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static inline size_t MagickMax(const size_t x,const size_t y)
{
if (x > y)
return(x);
return(y);
}
static inline size_t MagickMin(const size_t x,const size_t y)
{
if (x < y)
return(x);
return(y);
}
static char *EscapeParenthesis(const char *text)
{
register char
*p;
register long
i;
static char
buffer[MaxTextExtent];
unsigned long
escapes;
escapes=0;
p=buffer;
for (i=0; i < (long) MagickMin(strlen(text),(MaxTextExtent-escapes-1)); i++)
{
if ((text[i] == '(') || (text[i] == ')'))
{
*p++='\\';
escapes++;
}
*p++=text[i];
}
*p='\0';
return(buffer);
}
#if defined(MAGICKCORE_TIFF_DELEGATE)
static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
Image *image,Image *inject_image)
{
char
filename[MaxTextExtent];
FILE
*file;
Image
*huffman_image;
ImageInfo
*write_info;
int
unique_file;
MagickBooleanType
status;
register long
i;
ssize_t
count;
TIFF
*tiff;
uint16
fillorder;
uint32
*byte_count,
strip_size;
unsigned char
*buffer;
/*
Write image as CCITTFax4 TIFF image to a temporary 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);
assert(inject_image != (Image *) NULL);
assert(inject_image->signature == MagickSignature);
huffman_image=CloneImage(inject_image,0,0,MagickTrue,&image->exception);
if (huffman_image == (Image *) NULL)
return(MagickFalse);
file=(FILE *) NULL;
unique_file=AcquireUniqueFileResource(filename);
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if ((unique_file == -1) || (file == (FILE *) NULL))
{
ThrowFileException(&image->exception,FileOpenError,
"UnableToCreateTemporaryFile",filename);
return(MagickFalse);
}
(void) FormatMagickString(huffman_image->filename,MaxTextExtent,"tiff:%s",
filename);
write_info=CloneImageInfo(image_info);
SetImageInfoFile(write_info,file);
write_info->compression=Group4Compression;
write_info->type=BilevelType;
(void) SetImageOption(write_info,"quantum:polarity","min-is-white");
status=WriteImage(write_info,huffman_image);
(void) fflush(file);
write_info=DestroyImageInfo(write_info);
if (status == MagickFalse)
return(MagickFalse);
tiff=TIFFOpen(filename,"rb");
if (tiff == (TIFF *) NULL)
{
huffman_image=DestroyImage(huffman_image);
(void) fclose(file);
(void) RelinquishUniqueFileResource(filename);
ThrowFileException(&image->exception,FileOpenError,"UnableToOpenFile",
image_info->filename);
return(MagickFalse);
}
/*
Allocate raw strip buffer.
*/
byte_count=0;
(void) TIFFGetField(tiff,TIFFTAG_STRIPBYTECOUNTS,&byte_count);
strip_size=byte_count[0];
for (i=1; i < (long) TIFFNumberOfStrips(tiff); i++)
if (byte_count[i] > strip_size)
strip_size=byte_count[i];
buffer=(unsigned char *) AcquireQuantumMemory((size_t) strip_size,
sizeof(*buffer));
if (buffer == (unsigned char *) NULL)
{
TIFFClose(tiff);
huffman_image=DestroyImage(huffman_image);
(void) fclose(file);
(void) RelinquishUniqueFileResource(filename);
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
image_info->filename);
}
/*
Compress runlength encoded to 2D Huffman pixels.
*/
fillorder=FILLORDER_LSB2MSB;
(void) TIFFGetFieldDefaulted(tiff,TIFFTAG_FILLORDER,&fillorder);
for (i=0; i < (long) TIFFNumberOfStrips(tiff); i++)
{
count=(ssize_t) TIFFReadRawStrip(tiff,(uint32) i,buffer,(long)
byte_count[i]);
if (fillorder == FILLORDER_LSB2MSB)
TIFFReverseBits(buffer,(unsigned long) count);
(void) WriteBlob(image,(size_t) count,buffer);
}
buffer=(unsigned char *) RelinquishMagickMemory(buffer);
TIFFClose(tiff);
huffman_image=DestroyImage(huffman_image);
(void) fclose(file);
(void) RelinquishUniqueFileResource(filename);
return(MagickTrue);
}
#else
static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
Image *image,Image *inject_image)
{
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);
assert(inject_image != (Image *) NULL);
assert(inject_image->signature == MagickSignature);
(void) ThrowMagickException(&image->exception,GetMagickModule(),
MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (TIFF)",
image->filename);
return(MagickFalse);
}
#endif
static MagickBooleanType WritePDFImage(const ImageInfo *image_info,Image *image)
{
#define CFormat "/Filter [ /%s ]\n"
#define ObjectsPerImage 14
static const char
XMPProfile[]=
{
"<?xpacket begin=\"%s\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>\n"
"<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"Adobe XMP Core 4.0-c316 44.253921, Sun Oct 01 2006 17:08:23\">\n"
" <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n"
" <rdf:Description rdf:about=\"\"\n"
" xmlns:xap=\"http://ns.adobe.com/xap/1.0/\">\n"
" <xap:ModifyDate>%s</xap:ModifyDate>\n"
" <xap:CreateDate>%s</xap:CreateDate>\n"
" <xap:MetadataDate>%s</xap:MetadataDate>\n"
" <xap:CreatorTool>%s</xap:CreatorTool>\n"
" </rdf:Description>\n"
" <rdf:Description rdf:about=\"\"\n"
" xmlns:dc=\"http://purl.org/dc/elements/1.1/\">\n"
" <dc:format>application/pdf</dc:format>\n"
" </rdf:Description>\n"
" <rdf:Description rdf:about=\"\"\n"
" xmlns:xapMM=\"http://ns.adobe.com/xap/1.0/mm/\">\n"
" <xapMM:DocumentID>uuid:6ec119d7-7982-4f56-808d-dfe64f5b35cf</xapMM:DocumentID>\n"
" <xapMM:InstanceID>uuid:a79b99b4-6235-447f-9f6c-ec18ef7555cb</xapMM:InstanceID>\n"
" </rdf:Description>\n"
" <rdf:Description rdf:about=\"\"\n"
" xmlns:pdf=\"http://ns.adobe.com/pdf/1.3/\">\n"
" <pdf:Producer>%s</pdf:Producer>\n"
" </rdf:Description>\n"
" <rdf:Description rdf:about=\"\"\n"
" xmlns:pdfaid=\"http://www.aiim.org/pdfa/ns/id/\">\n"
" <pdfaid:part>1</pdfaid:part>\n"
" <pdfaid:conformance>B</pdfaid:conformance>\n"
" </rdf:Description>\n"
" </rdf:RDF>\n"
"</x:xmpmeta>\n"
"<?xpacket end=\"w\"?>\n"
},
XMPProfileMagick[4]= { (char) 0xef, (char) 0xbb, (char) 0xbf, (char) 0x00 };
char
buffer[MaxTextExtent],
date[MaxTextExtent],
**labels,
page_geometry[MaxTextExtent];
CompressionType
compression;
const char
*value;
double
pointsize;
GeometryInfo
geometry_info;
long
count,
y;
Image
*next,
*tile_image;
MagickBooleanType
status;
MagickOffsetType
offset,
scene,
*xref;
MagickSizeType
number_pixels;
MagickStatusType
flags;
PointInfo
delta,
resolution,
scale;
RectangleInfo
geometry,
media_info,
page_info;
register const IndexPacket
*indexes;
register const PixelPacket
*p;
register unsigned char
*q;
register long
i,
x;
size_t
length;
struct tm
local_time;
time_t
seconds;
unsigned char
*pixels;
unsigned long
info_id,
object,
pages_id,
root_id,
text_size,
version;
/*
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);
/*
Allocate X ref memory.
*/
xref=(MagickOffsetType *) AcquireQuantumMemory(2048UL,sizeof(*xref));
if (xref == (MagickOffsetType *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
(void) ResetMagickMemory(xref,0,2048UL*sizeof(*xref));
/*
Write Info object.
*/
object=0;
version=3;
if (image_info->compression == JPEG2000Compression)
version=(unsigned long) MagickMax(version,5);
for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
if (next->matte != MagickFalse)
version=(unsigned long) MagickMax(version,4);
if (LocaleCompare(image_info->magick,"PDFA") == 0)
version=(unsigned long) MagickMax(version,6);
(void) FormatMagickString(buffer,MaxTextExtent,"%%PDF-1.%lu \n",version);
(void) WriteBlobString(image,buffer);
if (LocaleCompare(image_info->magick,"PDFA") == 0)
(void) WriteBlobString(image,"%âãÏÓ\n");
/*
Write Catalog object.
*/
xref[object++]=TellBlob(image);
root_id=object;
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
if (LocaleCompare(image_info->magick,"PDFA") != 0)
(void) FormatMagickString(buffer,MaxTextExtent,"/Pages %lu 0 R\n",
object+1);
else
{
(void) FormatMagickString(buffer,MaxTextExtent,"/Metadata %lu 0 R\n",
object+1);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Pages %lu 0 R\n",
object+2);
}
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"/Type /Catalog\n");
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"endobj\n");
if (LocaleCompare(image_info->magick,"PDFA") == 0)
{
char
create_date[MaxTextExtent],
modify_date[MaxTextExtent],
timestamp[MaxTextExtent],
xmp_profile[MaxTextExtent];
unsigned long
version;
/*
Write XMP object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
(void) WriteBlobString(image,"/Subtype /XML\n");
*modify_date='\0';
value=GetImageProperty(image,"date:modify");
if (value != (const char *) NULL)
(void) CopyMagickString(modify_date,value,MaxTextExtent);
*create_date='\0';
value=GetImageProperty(image,"date:create");
if (value != (const char *) NULL)
(void) CopyMagickString(create_date,value,MaxTextExtent);
(void) FormatMagickTime(time((time_t *) NULL),MaxTextExtent,timestamp);
i=FormatMagickString(xmp_profile,MaxTextExtent,XMPProfile,
XMPProfileMagick,modify_date,create_date,timestamp,
GetMagickVersion(&version),GetMagickVersion(&version));
(void) FormatMagickString(buffer,MaxTextExtent,"/Length %lu\n",1UL*i);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"/Type /Metadata\n");
(void) WriteBlobString(image,">>\nstream\n");
(void) WriteBlobString(image,xmp_profile);
(void) WriteBlobString(image,"endstream\n");
(void) WriteBlobString(image,"endobj\n");
}
/*
Write Pages object.
*/
xref[object++]=TellBlob(image);
pages_id=object;
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
(void) WriteBlobString(image,"/Type /Pages\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Kids [ %lu 0 R ",object+1);
(void) WriteBlobString(image,buffer);
count=(long) (pages_id+ObjectsPerImage+1);
if (image_info->adjoin != MagickFalse)
{
Image
*kid_image;
/*
Predict page object id's.
*/
kid_image=image;
for ( ; GetNextImageInList(kid_image) != (Image *) NULL; count+=ObjectsPerImage)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%ld 0 R ",count);
(void) WriteBlobString(image,buffer);
kid_image=GetNextImageInList(kid_image);
}
xref=(MagickOffsetType *) ResizeQuantumMemory(xref,(size_t) count+2048UL,
sizeof(*xref));
if (xref == (MagickOffsetType *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
}
(void) WriteBlobString(image,"]\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Count %lu\n",
(count-pages_id)/ObjectsPerImage);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"endobj\n");
scene=0;
do
{
compression=image->compression;
if (image_info->compression != UndefinedCompression)
compression=image_info->compression;
switch (compression)
{
case FaxCompression:
case Group4Compression:
{
if ((IsMonochromeImage(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_JP2_DELEGATE)
case JPEG2000Compression:
{
compression=RLECompression;
(void) ThrowMagickException(&image->exception,GetMagickModule(),
MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JP2)",
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
case LZWCompression:
{
if (LocaleCompare(image_info->magick,"PDFA") == 0)
compression=RLECompression; /* LZW compression is forbidden */
break;
}
case NoCompression:
{
if (LocaleCompare(image_info->magick,"PDFA") == 0)
compression=RLECompression; /* ASCII 85 compression is forbidden */
break;
}
default:
break;
}
if (compression == JPEG2000Compression)
{
if (image->colorspace != RGBColorspace)
(void) TransformImageColorspace(image,RGBColorspace);
}
/*
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*=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,"PDF") == 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,
&image->exception);
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);
/*
Write Page object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
(void) WriteBlobString(image,"/Type /Page\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Parent %lu 0 R\n",
pages_id);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"/Resources <<\n");
labels=(char **) NULL;
value=GetImageProperty(image,"Label");
if (value != (const char *) NULL)
labels=StringToList(value);
if (labels != (char **) NULL)
{
(void) FormatMagickString(buffer,MaxTextExtent,
"/Font << /F%lu %lu 0 R >>\n",image->scene,object+4);
(void) WriteBlobString(image,buffer);
}
(void) FormatMagickString(buffer,MaxTextExtent,
"/XObject << /Im%lu %lu 0 R >>\n",image->scene,object+5);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/ProcSet %lu 0 R >>\n",
object+3);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/MediaBox [0 0 %g %g]\n",
72.0*media_info.width/resolution.x,72.0*media_info.height/resolution.y);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/CropBox [0 0 %g %g]\n",
72.0*media_info.width/resolution.x,72.0*media_info.height/resolution.y);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Contents %lu 0 R\n",
object+1);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Thumb %lu 0 R\n",
object+8);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"endobj\n");
/*
Write Contents object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Length %lu 0 R\n",
object+1);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"stream\n");
offset=TellBlob(image);
(void) WriteBlobString(image,"q\n");
if (labels != (char **) NULL)
for (i=0; labels[i] != (char *) NULL; i++)
{
(void) WriteBlobString(image,"BT\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/F%lu %g Tf\n",
image->scene,pointsize);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%ld %ld Td\n",
geometry.x,(long) (geometry.y+geometry.height+i*pointsize+12));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"(%s) Tj\n",labels[i]);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"ET\n");
labels[i]=DestroyString(labels[i]);
}
(void) FormatMagickString(buffer,MaxTextExtent,"%g 0 0 %g %ld %ld cm\n",
scale.x,scale.y,geometry.x,geometry.y);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Im%lu Do\n",image->scene);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"Q\n");
offset=TellBlob(image)-offset;
(void) WriteBlobString(image,"endstream\n");
(void) WriteBlobString(image,"endobj\n");
/*
Write Length object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",
(unsigned long) offset);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"endobj\n");
/*
Write Procset object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
if ((image->storage_class == DirectClass) || (image->colors > 256))
(void) CopyMagickString(buffer,"[ /PDF /Text /ImageC",MaxTextExtent);
else
if ((compression == FaxCompression) || (compression == Group4Compression))
(void) CopyMagickString(buffer,"[ /PDF /Text /ImageB",MaxTextExtent);
else
(void) CopyMagickString(buffer,"[ /PDF /Text /ImageI",MaxTextExtent);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image," ]\n");
(void) WriteBlobString(image,"endobj\n");
/*
Write Font object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
if (labels != (char **) NULL)
{
(void) WriteBlobString(image,"/Type /Font\n");
(void) WriteBlobString(image,"/Subtype /Type1\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Name /F%lu\n",
image->scene);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"/BaseFont /Helvetica\n");
(void) WriteBlobString(image,"/Encoding /MacRomanEncoding\n");
labels=(char **) RelinquishMagickMemory(labels);
}
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"endobj\n");
/*
Write XObject object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
(void) WriteBlobString(image,"/Type /XObject\n");
(void) WriteBlobString(image,"/Subtype /Image\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Name /Im%lu\n",
image->scene);
(void) WriteBlobString(image,buffer);
switch (compression)
{
case NoCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"ASCII85Decode");
break;
}
case JPEGCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"DCTDecode");
if (image->colorspace != CMYKColorspace)
break;
(void) WriteBlobString(image,buffer);
(void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
MaxTextExtent);
break;
}
case JPEG2000Compression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"JPXDecode");
if (image->colorspace != CMYKColorspace)
break;
(void) WriteBlobString(image,buffer);
(void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
MaxTextExtent);
break;
}
case LZWCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"LZWDecode");
break;
}
case ZipCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"FlateDecode");
break;
}
case FaxCompression:
case Group4Compression:
{
(void) CopyMagickString(buffer,"/Filter [ /CCITTFaxDecode ]\n",
MaxTextExtent);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/DecodeParms [ << "
"/K %s /BlackIs1 true /Columns %ld /Rows %ld >> ]\n",CCITTParam,
image->columns,image->rows);
break;
}
default:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,
"RunLengthDecode");
break;
}
}
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Width %lu\n",
image->columns);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Height %lu\n",image->rows);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/ColorSpace %lu 0 R\n",
object+2);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
(compression == FaxCompression) || (compression == Group4Compression) ?
1 : 8);
(void) WriteBlobString(image,buffer);
if (image->matte != MagickFalse)
{
(void) FormatMagickString(buffer,MaxTextExtent,"/SMask %lu 0 R\n",
object+7);
(void) WriteBlobString(image,buffer);
}
(void) FormatMagickString(buffer,MaxTextExtent,"/Length %lu 0 R\n",
object+1);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"stream\n");
offset=TellBlob(image);
number_pixels=(MagickSizeType) image->columns*image->rows;
if ((4*number_pixels) != (MagickSizeType) ((size_t) (4*number_pixels)))
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
if ((compression == FaxCompression) || (compression == Group4Compression) ||
((image_info->type != TrueColorType) &&
(IsGrayImage(image,&image->exception) != MagickFalse)))
{
switch (compression)
{
case FaxCompression:
case Group4Compression:
{
if (LocaleCompare(CCITTParam,"0") == 0)
{
(void) HuffmanEncodeImage(image_info,image,image);
break;
}
(void) Huffman2DEncodeImage(image_info,image,image);
break;
}
case JPEGCompression:
{
status=InjectImageBlob(image_info,image,image,"jpeg",
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CoderError,image->exception.reason);
break;
}
case JPEG2000Compression:
{
status=InjectImageBlob(image_info,image,image,"jp2",
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CoderError,image->exception.reason);
break;
}
case RLECompression:
default:
{
/*
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=GetVirtualPixels(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)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
#if defined(MAGICKCORE_ZLIB_DELEGATE)
if (compression == ZipCompression)
status=ZLIBEncodeImage(image,length,pixels);
else
#endif
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed PseudoColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) image->rows; y++)
{
p=GetVirtualPixels(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)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
Ascii85Flush(image);
break;
}
}
}
else
if ((image->storage_class == DirectClass) || (image->colors > 256) ||
(compression == JPEGCompression) ||
(compression == JPEG2000Compression))
switch (compression)
{
case JPEGCompression:
{
status=InjectImageBlob(image_info,image,image,"jpeg",
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CoderError,image->exception.reason);
break;
}
case JPEG2000Compression:
{
status=InjectImageBlob(image_info,image,image,"jp2",
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CoderError,image->exception.reason);
break;
}
case RLECompression:
default:
{
/*
Allocate pixel array.
*/
length=(size_t) number_pixels;
pixels=(unsigned char *) AcquireQuantumMemory(length,
4*sizeof(*pixels));
length*=image->colorspace == CMYKColorspace ? 4UL : 3UL;
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
/*
Dump runoffset encoded pixels.
*/
q=pixels;
for (y=0; y < (long) 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 < (long) image->columns; x++)
{
*q++=ScaleQuantumToChar(p->red);
*q++=ScaleQuantumToChar(p->green);
*q++=ScaleQuantumToChar(p->blue);
if (image->colorspace == CMYKColorspace)
*q++=ScaleQuantumToChar(indexes[x]);
p++;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
#if defined(MAGICKCORE_ZLIB_DELEGATE)
if (compression == ZipCompression)
status=ZLIBEncodeImage(image,length,pixels);
else
#endif
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed DirectColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) 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 < (long) image->columns; x++)
{
Ascii85Encode(image,ScaleQuantumToChar(p->red));
Ascii85Encode(image,ScaleQuantumToChar(p->green));
Ascii85Encode(image,ScaleQuantumToChar(p->blue));
if (image->colorspace == CMYKColorspace)
Ascii85Encode(image,ScaleQuantumToChar(indexes[x]));
p++;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
Ascii85Flush(image);
break;
}
}
else
{
/*
Dump number of colors and colormap.
*/
switch (compression)
{
case RLECompression:
default:
{
/*
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=GetVirtualPixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(image);
for (x=0; x < (long) image->columns; x++)
*q++=(unsigned char) indexes[x];
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
#if defined(MAGICKCORE_ZLIB_DELEGATE)
if (compression == ZipCompression)
status=ZLIBEncodeImage(image,length,pixels);
else
#endif
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed PseudoColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) 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 < (long) image->columns; x++)
Ascii85Encode(image,(unsigned char) indexes[x]);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
Ascii85Flush(image);
break;
}
}
}
offset=TellBlob(image)-offset;
(void) WriteBlobString(image,"\nendstream\n");
(void) WriteBlobString(image,"endobj\n");
/*
Write Length object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",
(unsigned long) offset);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"endobj\n");
/*
Write Colorspace object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
if (image->colorspace == CMYKColorspace)
(void) CopyMagickString(buffer,"/DeviceCMYK\n",MaxTextExtent);
else
if ((compression == FaxCompression) ||
(compression == Group4Compression) ||
((image_info->type != TrueColorType) &&
(IsGrayImage(image,&image->exception) != MagickFalse)))
(void) CopyMagickString(buffer,"/DeviceGray\n",MaxTextExtent);
else
if ((image->storage_class == DirectClass) || (image->colors > 256) ||
(compression == JPEGCompression) ||
(compression == JPEG2000Compression))
(void) CopyMagickString(buffer,"/DeviceRGB\n",MaxTextExtent);
else
(void) FormatMagickString(buffer,MaxTextExtent,
"[ /Indexed /DeviceRGB %lu %lu 0 R ]\n",
image->colors-1,object+3);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"endobj\n");
/*
Write Thumb object.
*/
SetGeometry(image,&geometry);
(void) ParseMetaGeometry("106x106+0+0>",&geometry.x,&geometry.y,
&geometry.width,&geometry.height);
tile_image=ThumbnailImage(image,geometry.width,geometry.height,
&image->exception);
if (tile_image == (Image *) NULL)
ThrowWriterException(ResourceLimitError,image->exception.reason);
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
switch (compression)
{
case NoCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"ASCII85Decode");
break;
}
case JPEGCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"DCTDecode");
if (image->colorspace != CMYKColorspace)
break;
(void) WriteBlobString(image,buffer);
(void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
MaxTextExtent);
break;
}
case JPEG2000Compression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"JPXDecode");
if (image->colorspace != CMYKColorspace)
break;
(void) WriteBlobString(image,buffer);
(void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
MaxTextExtent);
break;
}
case LZWCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"LZWDecode");
break;
}
case ZipCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"FlateDecode");
break;
}
case FaxCompression:
case Group4Compression:
{
(void) CopyMagickString(buffer,"/Filter [ /CCITTFaxDecode ]\n",
MaxTextExtent);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/DecodeParms [ << "
"/K %s /BlackIs1 true /Columns %lu /Rows %lu >> ]\n",CCITTParam,
tile_image->columns,tile_image->rows);
break;
}
default:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,
"RunLengthDecode");
break;
}
}
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Width %lu\n",
tile_image->columns);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Height %lu\n",
tile_image->rows);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/ColorSpace %lu 0 R\n",
object-1);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
(compression == FaxCompression) || (compression == Group4Compression) ?
1 : 8);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Length %lu 0 R\n",
object+1);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"stream\n");
offset=TellBlob(image);
number_pixels=(MagickSizeType) tile_image->columns*tile_image->rows;
if ((compression == FaxCompression) ||
(compression == Group4Compression) ||
((image_info->type != TrueColorType) &&
(IsGrayImage(tile_image,&image->exception) != MagickFalse)))
{
switch (compression)
{
case FaxCompression:
case Group4Compression:
{
if (LocaleCompare(CCITTParam,"0") == 0)
{
(void) HuffmanEncodeImage(image_info,image,tile_image);
break;
}
(void) Huffman2DEncodeImage(image_info,image,tile_image);
break;
}
case JPEGCompression:
{
status=InjectImageBlob(image_info,image,tile_image,"jpeg",
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CoderError,tile_image->exception.reason);
break;
}
case JPEG2000Compression:
{
status=InjectImageBlob(image_info,image,tile_image,"jp2",
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CoderError,tile_image->exception.reason);
break;
}
case RLECompression:
default:
{
/*
Allocate pixel array.
*/
length=(size_t) number_pixels;
pixels=(unsigned char *) AcquireQuantumMemory(length,
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
{
tile_image=DestroyImage(tile_image);
ThrowWriterException(ResourceLimitError,
"MemoryAllocationFailed");
}
/*
Dump Runlength encoded pixels.
*/
q=pixels;
for (y=0; y < (long) tile_image->rows; y++)
{
p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
&tile_image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (long) tile_image->columns; x++)
{
*q++=ScaleQuantumToChar(PixelIntensityToQuantum(p));
p++;
}
}
#if defined(MAGICKCORE_ZLIB_DELEGATE)
if (compression == ZipCompression)
status=ZLIBEncodeImage(image,length,pixels);
else
#endif
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed PseudoColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) tile_image->rows; y++)
{
p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
&tile_image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (long) tile_image->columns; x++)
{
Ascii85Encode(image,
ScaleQuantumToChar(PixelIntensityToQuantum(p)));
p++;
}
}
Ascii85Flush(image);
break;
}
}
}
else
if ((tile_image->storage_class == DirectClass) ||
(tile_image->colors > 256) || (compression == JPEGCompression) ||
(compression == JPEG2000Compression))
switch (compression)
{
case JPEGCompression:
{
status=InjectImageBlob(image_info,image,tile_image,"jpeg",
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CoderError,tile_image->exception.reason);
break;
}
case JPEG2000Compression:
{
status=InjectImageBlob(image_info,image,tile_image,"jp2",
&image->exception);
if (status == MagickFalse)
ThrowWriterException(CoderError,tile_image->exception.reason);
break;
}
case RLECompression:
default:
{
/*
Allocate pixel array.
*/
length=(size_t) number_pixels;
pixels=(unsigned char *) AcquireQuantumMemory(length,4*
sizeof(*pixels));
length*=tile_image->colorspace == CMYKColorspace ? 4UL : 3UL;
if (pixels == (unsigned char *) NULL)
{
tile_image=DestroyImage(tile_image);
ThrowWriterException(ResourceLimitError,
"MemoryAllocationFailed");
}
/*
Dump runoffset encoded pixels.
*/
q=pixels;
for (y=0; y < (long) tile_image->rows; y++)
{
p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
&tile_image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(tile_image);
for (x=0; x < (long) tile_image->columns; x++)
{
*q++=ScaleQuantumToChar(p->red);
*q++=ScaleQuantumToChar(p->green);
*q++=ScaleQuantumToChar(p->blue);
if (image->colorspace == CMYKColorspace)
*q++=ScaleQuantumToChar(indexes[x]);
p++;
}
}
#if defined(MAGICKCORE_ZLIB_DELEGATE)
if (compression == ZipCompression)
status=ZLIBEncodeImage(image,length,pixels);
else
#endif
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed DirectColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) tile_image->rows; y++)
{
p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
&tile_image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(tile_image);
for (x=0; x < (long) tile_image->columns; x++)
{
Ascii85Encode(image,ScaleQuantumToChar(p->red));
Ascii85Encode(image,ScaleQuantumToChar(p->green));
Ascii85Encode(image,ScaleQuantumToChar(p->blue));
if (image->colorspace == CMYKColorspace)
Ascii85Encode(image,ScaleQuantumToChar(indexes[x]));
p++;
}
}
Ascii85Flush(image);
break;
}
}
else
{
/*
Dump number of colors and colormap.
*/
switch (compression)
{
case RLECompression:
default:
{
/*
Allocate pixel array.
*/
length=(size_t) number_pixels;
pixels=(unsigned char *) AcquireQuantumMemory(length,
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
{
tile_image=DestroyImage(tile_image);
ThrowWriterException(ResourceLimitError,
"MemoryAllocationFailed");
}
/*
Dump Runlength encoded pixels.
*/
q=pixels;
for (y=0; y < (long) tile_image->rows; y++)
{
p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
&tile_image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(tile_image);
for (x=0; x < (long) tile_image->columns; x++)
*q++=(unsigned char) indexes[x];
}
#if defined(MAGICKCORE_ZLIB_DELEGATE)
if (compression == ZipCompression)
status=ZLIBEncodeImage(image,length,pixels);
else
#endif
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed PseudoColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) tile_image->rows; y++)
{
p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
&tile_image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(tile_image);
for (x=0; x < (long) tile_image->columns; x++)
Ascii85Encode(image,(unsigned char) indexes[x]);
}
Ascii85Flush(image);
break;
}
}
}
tile_image=DestroyImage(tile_image);
offset=TellBlob(image)-offset;
(void) WriteBlobString(image,"\nendstream\n");
(void) WriteBlobString(image,"endobj\n");
/*
Write Length object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",
(unsigned long) offset);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"endobj\n");
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
if ((image->storage_class != DirectClass) && (image->colors <= 256) &&
(compression != FaxCompression) && (compression != Group4Compression))
{
/*
Write Colormap object.
*/
(void) WriteBlobString(image,"<<\n");
if (compression == NoCompression)
(void) WriteBlobString(image,"/Filter [ /ASCII85Decode ]\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Length %lu 0 R\n",
object+1);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"stream\n");
offset=TellBlob(image);
if (compression == NoCompression)
Ascii85Initialize(image);
for (i=0; i < (long) image->colors; i++)
{
if (compression == NoCompression)
{
Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].red));
Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].green));
Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].blue));
continue;
}
(void) WriteBlobByte(image,
ScaleQuantumToChar(image->colormap[i].red));
(void) WriteBlobByte(image,
ScaleQuantumToChar(image->colormap[i].green));
(void) WriteBlobByte(image,
ScaleQuantumToChar(image->colormap[i].blue));
}
if (compression == NoCompression)
Ascii85Flush(image);
offset=TellBlob(image)-offset;
(void) WriteBlobString(image,"\nendstream\n");
}
(void) WriteBlobString(image,"endobj\n");
/*
Write Length object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",
(unsigned long) offset);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"endobj\n");
/*
Write softmask object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
if (image->matte == MagickFalse)
(void) WriteBlobString(image,">>\n");
else
{
(void) WriteBlobString(image,"/Type /XObject\n");
(void) WriteBlobString(image,"/Subtype /Image\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Name /Ma%lu\n",
image->scene);
(void) WriteBlobString(image,buffer);
switch (compression)
{
case NoCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,
"ASCII85Decode");
break;
}
case LZWCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,"LZWDecode");
break;
}
case ZipCompression:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,
"FlateDecode");
break;
}
default:
{
(void) FormatMagickString(buffer,MaxTextExtent,CFormat,
"RunLengthDecode");
break;
}
}
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Width %lu\n",
image->columns);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Height %lu\n",
image->rows);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"/ColorSpace /DeviceGray\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
(compression == FaxCompression) || (compression == Group4Compression)
? 1 : 8);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Length %lu 0 R\n",
object+1);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"stream\n");
offset=TellBlob(image);
number_pixels=(MagickSizeType) image->columns*image->rows;
switch (compression)
{
case RLECompression:
default:
{
/*
Allocate pixel array.
*/
length=(size_t) number_pixels;
pixels=(unsigned char *) AcquireQuantumMemory(length,
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
{
image=DestroyImage(image);
ThrowWriterException(ResourceLimitError,
"MemoryAllocationFailed");
}
/*
Dump Runlength encoded pixels.
*/
q=pixels;
for (y=0; y < (long) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
*q++=ScaleQuantumToChar((Quantum) (QuantumRange-p->opacity));
p++;
}
}
#if defined(MAGICKCORE_ZLIB_DELEGATE)
if (compression == ZipCompression)
status=ZLIBEncodeImage(image,length,pixels);
else
#endif
if (compression == LZWCompression)
status=LZWEncodeImage(image,length,pixels);
else
status=PackbitsEncodeImage(image,length,pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (status == MagickFalse)
{
(void) CloseBlob(image);
return(MagickFalse);
}
break;
}
case NoCompression:
{
/*
Dump uncompressed PseudoColor packets.
*/
Ascii85Initialize(image);
for (y=0; y < (long) image->rows; y++)
{
p=GetVirtualPixels(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((Quantum) (QuantumRange-
p->opacity)));
p++;
}
}
Ascii85Flush(image);
break;
}
}
offset=TellBlob(image)-offset;
(void) WriteBlobString(image,"\nendstream\n");
}
(void) WriteBlobString(image,"endobj\n");
/*
Write Length object.
*/
xref[object++]=TellBlob(image);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",(unsigned long)
offset);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"endobj\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);
/*
Write Metadata object.
*/
xref[object++]=TellBlob(image);
info_id=object;
(void) FormatMagickString(buffer,MaxTextExtent,"%lu 0 obj\n",object);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"<<\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Title (%s)\n",
EscapeParenthesis(image->filename));
(void) WriteBlobString(image,buffer);
seconds=time((time_t *) NULL);
#if defined(MAGICKCORE_HAVE_LOCALTIME_R)
(void) localtime_r(&seconds,&local_time);
#else
(void) memcpy(&local_time,localtime(&seconds),sizeof(local_time));
#endif
(void) FormatMagickString(date,MaxTextExtent,"D:%04d%02d%02d%02d%02d%02d",
local_time.tm_year+1900,local_time.tm_mon+1,local_time.tm_mday,
local_time.tm_hour,local_time.tm_min,local_time.tm_sec);
(void) FormatMagickString(buffer,MaxTextExtent,"/CreationDate (%s)\n",date);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/ModDate (%s)\n",date);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Producer (%s)\n",
EscapeParenthesis(GetMagickVersion((unsigned long *) NULL)));
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"endobj\n");
/*
Write Xref object.
*/
offset=TellBlob(image)-xref[0]+10;
(void) WriteBlobString(image,"xref\n");
(void) FormatMagickString(buffer,MaxTextExtent,"0 %lu\n",object+1);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"0000000000 65535 f \n");
for (i=0; i < (long) object; i++)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%010lu 00000 n \n",
(unsigned long) xref[i]);
(void) WriteBlobString(image,buffer);
}
(void) WriteBlobString(image,"trailer\n");
(void) WriteBlobString(image,"<<\n");
(void) FormatMagickString(buffer,MaxTextExtent,"/Size %lu\n",object+1);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Info %lu 0 R\n",info_id);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,"/Root %lu 0 R\n",root_id);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,">>\n");
(void) WriteBlobString(image,"startxref\n");
(void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",
(unsigned long) offset);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"%%EOF\n");
xref=(MagickOffsetType *) RelinquishMagickMemory(xref);
(void) CloseBlob(image);
return(MagickTrue);
}