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pdf.c
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pdf.c
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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% 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 %
% Cristy %
% July 1992 %
% %
% %
% Copyright @ 1999 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
% https://imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
% See the License for the specific language governing permissions and %
% limitations under the License. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/attribute.h"
#include "MagickCore/artifact.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/cache.h"
#include "MagickCore/channel.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/compress.h"
#include "MagickCore/constitute.h"
#include "MagickCore/delegate.h"
#include "MagickCore/delegate-private.h"
#include "MagickCore/distort.h"
#include "MagickCore/draw.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/module.h"
#include "MagickCore/monitor.h"
#include "MagickCore/montage.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/nt-base-private.h"
#include "MagickCore/option.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/profile.h"
#include "MagickCore/property.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/resource_.h"
#include "MagickCore/resize.h"
#include "MagickCore/signature.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/string-private.h"
#include "MagickCore/timer-private.h"
#include "MagickCore/token.h"
#include "MagickCore/transform.h"
#include "MagickCore/utility.h"
#include "MagickCore/xml-tree-private.h"
#include "coders/bytebuffer-private.h"
#include "coders/coders-private.h"
#include "coders/ghostscript-private.h"
/*
Define declarations.
*/
#if defined(MAGICKCORE_TIFF_DELEGATE)
#define CCITTParam "-1"
#else
#define CCITTParam "0"
#endif
/*
Typedef declarations.
*/
typedef struct _PDFInfo
{
double
angle;
MagickBooleanType
cmyk,
cropbox,
trimbox;
SegmentInfo
bounds;
StringInfo
*xmp_profile;
} PDFInfo;
/*
Forward declarations.
*/
static MagickBooleanType
WritePDFImage(const ImageInfo *,Image *,ExceptionInfo *),
WritePOCKETMODImage(const ImageInfo *,Image *,ExceptionInfo *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% 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 void ReadPDFInfo(const ImageInfo *image_info,Image *image,
PDFInfo *pdf_info,ExceptionInfo *exception)
{
#define CMYKProcessColor "CMYKProcessColor"
#define CropBox "CropBox"
#define DefaultCMYK "DefaultCMYK"
#define DeviceCMYK "DeviceCMYK"
#define MediaBox "MediaBox"
#define PDFRotate "Rotate"
#define SpotColor "Separation"
#define TrimBox "TrimBox"
#define PDFVersion "PDF-"
char
version[MagickPathExtent];
int
c,
percent_count;
MagickByteBuffer
buffer;
char
*p;
ssize_t
i;
SegmentInfo
bounds;
size_t
spotcolor;
ssize_t
count;
(void) memset(&bounds,0,sizeof(bounds));
(void) memset(pdf_info,0,sizeof(*pdf_info));
pdf_info->cmyk=image_info->colorspace == CMYKColorspace ? MagickTrue :
MagickFalse;
pdf_info->cropbox=IsStringTrue(GetImageOption(image_info,"pdf:use-cropbox"));
pdf_info->trimbox=IsStringTrue(GetImageOption(image_info,"pdf:use-trimbox"));
*version='\0';
spotcolor=0;
percent_count=0;
(void) memset(&buffer,0,sizeof(buffer));
buffer.image=image;
for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
{
if (c == '%')
{
if (*version == '\0')
{
i=0;
for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
{
if ((c == '\r') || (c == '\n') || ((i+1) == MagickPathExtent))
break;
version[i++]=(char) c;
}
version[i]='\0';
if (c == EOF)
break;
}
if (++percent_count == 2)
percent_count=0;
else
continue;
}
else
{
percent_count=0;
switch(c)
{
case '<':
{
ReadGhostScriptXMPProfile(&buffer,&pdf_info->xmp_profile,exception);
continue;
}
case '/':
break;
default:
continue;
}
}
if (CompareMagickByteBuffer(&buffer,PDFRotate,strlen(PDFRotate)) != MagickFalse)
{
p=GetMagickByteBufferDatum(&buffer);
(void) sscanf(p,PDFRotate" %lf",&pdf_info->angle);
}
if (pdf_info->cmyk == MagickFalse)
{
if ((CompareMagickByteBuffer(&buffer,DefaultCMYK,strlen(DefaultCMYK)) != MagickFalse) ||
(CompareMagickByteBuffer(&buffer,DeviceCMYK,strlen(DeviceCMYK)) != MagickFalse) ||
(CompareMagickByteBuffer(&buffer,CMYKProcessColor,strlen(CMYKProcessColor)) != MagickFalse))
{
pdf_info->cmyk=MagickTrue;
continue;
}
}
if (CompareMagickByteBuffer(&buffer,SpotColor,strlen(SpotColor)) != MagickFalse)
{
char
name[MagickPathExtent],
property[MagickPathExtent],
*value;
/*
Note spot names.
*/
(void) FormatLocaleString(property,MagickPathExtent,
"pdf:SpotColor-%.20g",(double) spotcolor++);
i=0;
SkipMagickByteBuffer(&buffer,strlen(SpotColor)+1);
for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
{
if ((isspace((int) ((unsigned char) c)) != 0) || (c == '/') || ((i+1) == MagickPathExtent))
break;
name[i++]=(char) c;
}
if (c == EOF)
break;
name[i]='\0';
value=ConstantString(name);
(void) SubstituteString(&value,"#20"," ");
if (*value != '\0')
(void) SetImageProperty(image,property,value,exception);
value=DestroyString(value);
continue;
}
if (image_info->page != (char *) NULL)
continue;
count=0;
if (pdf_info->cropbox != MagickFalse)
{
if (CompareMagickByteBuffer(&buffer,CropBox,strlen(CropBox)) != MagickFalse)
{
/*
Note region defined by crop box.
*/
p=GetMagickByteBufferDatum(&buffer);
count=(ssize_t) sscanf(p,"CropBox [%lf %lf %lf %lf",&bounds.x1,
&bounds.y1,&bounds.x2,&bounds.y2);
if (count != 4)
count=(ssize_t) sscanf(p,"CropBox[%lf %lf %lf %lf",&bounds.x1,
&bounds.y1,&bounds.x2,&bounds.y2);
}
}
else
if (pdf_info->trimbox != MagickFalse)
{
if (CompareMagickByteBuffer(&buffer,TrimBox,strlen(TrimBox)) != MagickFalse)
{
/*
Note region defined by trim box.
*/
p=GetMagickByteBufferDatum(&buffer);
count=(ssize_t) sscanf(p,"TrimBox [%lf %lf %lf %lf",&bounds.x1,
&bounds.y1,&bounds.x2,&bounds.y2);
if (count != 4)
count=(ssize_t) sscanf(p,"TrimBox[%lf %lf %lf %lf",&bounds.x1,
&bounds.y1,&bounds.x2,&bounds.y2);
}
}
else
if (CompareMagickByteBuffer(&buffer,MediaBox,strlen(MediaBox)) != MagickFalse)
{
/*
Note region defined by media box.
*/
p=GetMagickByteBufferDatum(&buffer);
count=(ssize_t) sscanf(p,"MediaBox [%lf %lf %lf %lf",&bounds.x1,
&bounds.y1,&bounds.x2,&bounds.y2);
if (count != 4)
count=(ssize_t) sscanf(p,"MediaBox[%lf %lf %lf %lf",&bounds.x1,
&bounds.y1,&bounds.x2,&bounds.y2);
}
if (count != 4)
continue;
if ((fabs(bounds.x2-bounds.x1) <= fabs(pdf_info->bounds.x2-pdf_info->bounds.x1)) ||
(fabs(bounds.y2-bounds.y1) <= fabs(pdf_info->bounds.y2-pdf_info->bounds.y1)))
continue;
pdf_info->bounds=bounds;
}
if (version[0] != '\0')
(void) SetImageProperty(image,"pdf:Version",version,exception);
}
static inline void CleanupPDFInfo(PDFInfo *pdf_info)
{
if (pdf_info->xmp_profile != (StringInfo *) NULL)
pdf_info->xmp_profile=DestroyStringInfo(pdf_info->xmp_profile);
}
static Image *ReadPDFImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
char
command[MagickPathExtent],
*density,
filename[MagickPathExtent],
input_filename[MagickPathExtent],
message[MagickPathExtent],
*options,
postscript_filename[MagickPathExtent];
const char
*option;
const DelegateInfo
*delegate_info;
GeometryInfo
geometry_info;
Image
*image,
*next,
*pdf_image;
ImageInfo
*read_info;
int
file;
MagickBooleanType
fitPage,
status;
MagickStatusType
flags;
PDFInfo
pdf_info;
PointInfo
delta;
RectangleInfo
page;
ssize_t
i;
size_t
scene;
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
if (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
/*
Open image file.
*/
image=AcquireImage(image_info,exception);
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;
(void) memset(&page,0,sizeof(page));
if ((image->resolution.x == 0.0) || (image->resolution.y == 0.0))
{
flags=ParseGeometry(PSDensityGeometry,&geometry_info);
if ((flags & RhoValue) != 0)
image->resolution.x=geometry_info.rho;
image->resolution.y=image->resolution.x;
if ((flags & SigmaValue) != 0)
image->resolution.y=geometry_info.sigma;
}
if (image_info->density != (char *) NULL)
{
flags=ParseGeometry(image_info->density,&geometry_info);
if ((flags & RhoValue) != 0)
image->resolution.x=geometry_info.rho;
image->resolution.y=image->resolution.x;
if ((flags & SigmaValue) != 0)
image->resolution.y=geometry_info.sigma;
}
(void) ParseAbsoluteGeometry(PSPageGeometry,&page);
if (image_info->page != (char *) NULL)
(void) ParseAbsoluteGeometry(image_info->page,&page);
page.width=(size_t) ((ssize_t) ceil((double) (page.width*
image->resolution.x/delta.x)-0.5));
page.height=(size_t) ((ssize_t) ceil((double) (page.height*
image->resolution.y/delta.y)-0.5));
/*
Determine page geometry from the PDF media box.
*/
ReadPDFInfo(image_info,image,&pdf_info,exception);
(void) CloseBlob(image);
/*
Set PDF render geometry.
*/
if ((fabs(pdf_info.bounds.x2-pdf_info.bounds.x1) >= MagickEpsilon) &&
(fabs(pdf_info.bounds.y2-pdf_info.bounds.y1) >= MagickEpsilon))
{
(void) FormatImageProperty(image,"pdf:HiResBoundingBox",
"%gx%g%+.15g%+.15g",pdf_info.bounds.x2-pdf_info.bounds.x1,
pdf_info.bounds.y2-pdf_info.bounds.y1,pdf_info.bounds.x1,
pdf_info.bounds.y1);
page.width=(size_t) ((ssize_t) ceil((double) ((pdf_info.bounds.x2-
pdf_info.bounds.x1)*image->resolution.x/delta.x)-0.5));
page.height=(size_t) ((ssize_t) ceil((double) ((pdf_info.bounds.y2-
pdf_info.bounds.y1)*image->resolution.y/delta.y)-0.5));
}
fitPage=MagickFalse;
option=GetImageOption(image_info,"pdf:fit-page");
if (option != (char *) NULL)
{
char
*page_geometry;
page_geometry=GetPageGeometry(option);
flags=ParseMetaGeometry(page_geometry,&page.x,&page.y,&page.width,
&page.height);
page_geometry=DestroyString(page_geometry);
if (flags == NoValue)
{
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
"InvalidGeometry","`%s'",option);
CleanupPDFInfo(&pdf_info);
image=DestroyImage(image);
return((Image *) NULL);
}
page.width=(size_t) ((ssize_t) ceil((double) (page.width*
image->resolution.x/delta.x)-0.5));
page.height=(size_t) ((ssize_t) ceil((double) (page.height*
image->resolution.y/delta.y)-0.5));
fitPage=MagickTrue;
}
if ((fabs(pdf_info.angle) == 90.0) || (fabs(pdf_info.angle) == 270.0))
{
size_t
swap;
swap=page.width;
page.width=page.height;
page.height=swap;
}
if (IssRGBCompatibleColorspace(image_info->colorspace) != MagickFalse)
pdf_info.cmyk=MagickFalse;
/*
Create Ghostscript control file.
*/
file=AcquireUniqueFileResource(postscript_filename);
if (file == -1)
{
(void) RelinquishUniqueFileResource(input_filename);
ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
image_info->filename);
CleanupPDFInfo(&pdf_info);
image=DestroyImage(image);
return((Image *) NULL);
}
if (write(file," ",1) != 1)
{
file=close(file)-1;
(void) RelinquishUniqueFileResource(input_filename);
(void) RelinquishUniqueFileResource(postscript_filename);
CleanupPDFInfo(&pdf_info);
image=DestroyImage(image);
return((Image *) NULL);
}
file=close(file)-1;
/*
Render Postscript with the Ghostscript delegate.
*/
if (image_info->monochrome != MagickFalse)
delegate_info=GetDelegateInfo("ps:mono",(char *) NULL,exception);
else
if (pdf_info.cmyk != MagickFalse)
delegate_info=GetDelegateInfo("ps:cmyk",(char *) NULL,exception);
else
delegate_info=GetDelegateInfo("ps:alpha",(char *) NULL,exception);
if (delegate_info == (const DelegateInfo *) NULL)
{
(void) RelinquishUniqueFileResource(input_filename);
(void) RelinquishUniqueFileResource(postscript_filename);
CleanupPDFInfo(&pdf_info);
image=DestroyImage(image);
return((Image *) NULL);
}
density=AcquireString("");
options=AcquireString("");
(void) FormatLocaleString(density,MagickPathExtent,"%gx%g",
image->resolution.x,image->resolution.y);
if (image_info->ping != MagickFalse)
(void) FormatLocaleString(density,MagickPathExtent,"2.0x2.0");
else
if ((image_info->page != (char *) NULL) || (fitPage != MagickFalse))
(void) FormatLocaleString(options,MagickPathExtent,"-g%.20gx%.20g ",
(double) page.width,(double) page.height);
option=GetImageOption(image_info,"pdf:printed");
if (IsStringTrue(option) != MagickFalse)
(void) ConcatenateMagickString(options,"-dPrinted=true ",MagickPathExtent);
else
(void) ConcatenateMagickString(options,"-dPrinted=false ",MagickPathExtent);
if (fitPage != MagickFalse)
(void) ConcatenateMagickString(options,"-dPSFitPage ",MagickPathExtent);
if (pdf_info.cropbox != MagickFalse)
(void) ConcatenateMagickString(options,"-dUseCropBox ",MagickPathExtent);
if (pdf_info.trimbox != MagickFalse)
(void) ConcatenateMagickString(options,"-dUseTrimBox ",MagickPathExtent);
option=GetImageOption(image_info,"pdf:stop-on-error");
if (IsStringTrue(option) != MagickFalse)
(void) ConcatenateMagickString(options,"-dPDFSTOPONERROR ",
MagickPathExtent);
option=GetImageOption(image_info,"pdf:interpolate");
if (IsStringTrue(option) != MagickFalse)
(void) ConcatenateMagickString(options,"-dInterpolateControl=-1 ",
MagickPathExtent);
option=GetImageOption(image_info,"pdf:hide-annotations");
if (IsStringTrue(option) != MagickFalse)
(void) ConcatenateMagickString(options,"-dShowAnnots=false ",
MagickPathExtent);
option=GetImageOption(image_info,"authenticate");
if (option != (char *) NULL)
{
char
passphrase[MagickPathExtent];
FormatSanitizedDelegateOption(passphrase,MagickPathExtent,
"\"-sPDFPassword=%s\" ","-sPDFPassword='%s' ",option);
(void) ConcatenateMagickString(options,passphrase,MagickPathExtent);
}
read_info=CloneImageInfo(image_info);
*read_info->magick='\0';
if (read_info->number_scenes != 0)
{
char
pages[MagickPathExtent];
(void) FormatLocaleString(pages,MagickPathExtent,"-dFirstPage=%.20g "
"-dLastPage=%.20g",(double) read_info->scene+1,(double)
(read_info->scene+read_info->number_scenes));
(void) ConcatenateMagickString(options,pages,MagickPathExtent);
read_info->number_scenes=0;
if (read_info->scenes != (char *) NULL)
*read_info->scenes='\0';
}
(void) CopyMagickString(filename,read_info->filename,MagickPathExtent);
(void) AcquireUniqueFilename(filename);
(void) RelinquishUniqueFileResource(filename);
(void) ConcatenateMagickString(filename,"%d",MagickPathExtent);
(void) FormatLocaleString(command,MagickPathExtent,
GetDelegateCommands(delegate_info),
read_info->antialias != MagickFalse ? 4 : 1,
read_info->antialias != MagickFalse ? 4 : 1,density,options,filename,
postscript_filename,input_filename);
options=DestroyString(options);
density=DestroyString(density);
*message='\0';
status=InvokeGhostscriptDelegate(read_info->verbose,command,message,
exception);
(void) RelinquishUniqueFileResource(postscript_filename);
(void) RelinquishUniqueFileResource(input_filename);
pdf_image=(Image *) NULL;
if (status == MagickFalse)
for (i=1; ; i++)
{
(void) InterpretImageFilename(image_info,image,filename,(int) i,
read_info->filename,exception);
if (IsGhostscriptRendered(read_info->filename) == MagickFalse)
break;
(void) RelinquishUniqueFileResource(read_info->filename);
}
else
{
next=(Image *) NULL;
for (i=1; ; i++)
{
(void) InterpretImageFilename(image_info,image,filename,(int) i,
read_info->filename,exception);
if (IsGhostscriptRendered(read_info->filename) == MagickFalse)
break;
read_info->blob=NULL;
read_info->length=0;
next=ReadImage(read_info,exception);
(void) RelinquishUniqueFileResource(read_info->filename);
if (next == (Image *) NULL)
break;
AppendImageToList(&pdf_image,next);
}
/* Clean up remaining files */
if (next == (Image *) NULL)
{
ssize_t
j;
for (j=i+1; ; j++)
{
(void) InterpretImageFilename(image_info,image,filename,(int) j,
read_info->filename,exception);
if (IsGhostscriptRendered(read_info->filename) == MagickFalse)
break;
(void) RelinquishUniqueFileResource(read_info->filename);
}
}
}
read_info=DestroyImageInfo(read_info);
if (pdf_image == (Image *) NULL)
{
if (*message != '\0')
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
"PDFDelegateFailed","`%s'",message);
CleanupPDFInfo(&pdf_info);
image=DestroyImage(image);
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 (pdf_info.xmp_profile != (StringInfo *) NULL)
{
char
*profile;
profile=(char *) GetStringInfoDatum(pdf_info.xmp_profile);
if (strstr(profile,"Adobe Illustrator") != (char *) NULL)
(void) CopyMagickString(image->magick,"AI",MagickPathExtent);
(void) SetImageProfilePrivate(image,pdf_info.xmp_profile,exception);
pdf_info.xmp_profile=(StringInfo *) NULL;
}
if (image_info->number_scenes != 0)
{
Image
*clone_image;
/*
Add place holder images to meet the subimage specification requirement.
*/
for (i=0; i < (ssize_t) 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,MagickPathExtent);
(void) CopyMagickString(pdf_image->magick,image->magick,MagickPathExtent);
pdf_image->page=page;
if (image_info->ping != MagickFalse)
{
pdf_image->magick_columns=page.width;
pdf_image->magick_rows=page.height;
pdf_image->columns=page.width;
pdf_image->rows=page.height;
}
(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:
%
% size_t RegisterPDFImage(void)
%
*/
ModuleExport size_t RegisterPDFImage(void)
{
MagickInfo
*entry;
entry=AcquireMagickInfo("PDF","AI","Adobe Illustrator CS2");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePDFImage;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags|=CoderEncoderSeekableStreamFlag;
entry->flags^=CoderAdjoinFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/pdf");
(void) RegisterMagickInfo(entry);
entry=AcquireMagickInfo("PDF","EPDF",
"Encapsulated Portable Document Format");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePDFImage;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags|=CoderEncoderSeekableStreamFlag;
entry->flags^=CoderAdjoinFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/pdf");
(void) RegisterMagickInfo(entry);
entry=AcquireMagickInfo("PDF","PDF","Portable Document Format");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePDFImage;
entry->magick=(IsImageFormatHandler *) IsPDF;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags|=CoderEncoderSeekableStreamFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/pdf");
(void) RegisterMagickInfo(entry);
entry=AcquireMagickInfo("PDF","PDFA","Portable Document Archive Format");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePDFImage;
entry->magick=(IsImageFormatHandler *) IsPDF;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags|=CoderEncoderSeekableStreamFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/pdf");
(void) RegisterMagickInfo(entry);
entry=AcquireMagickInfo("PDF","POCKETMOD","Pocketmod Personal Organizer");
entry->decoder=(DecodeImageHandler *) ReadPDFImage;
entry->encoder=(EncodeImageHandler *) WritePOCKETMODImage;
entry->format_type=ImplicitFormatType;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags|=CoderEncoderSeekableStreamFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/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,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
% o exception: return any errors or warnings in this structure.
%
*/
static char *EscapeParenthesis(const char *source)
{
char
*destination;
char
*q;
const char
*p;
size_t
length;
assert(source != (const char *) NULL);
length=0;
for (p=source; *p != '\0'; p++)
{
if ((*p == '\\') || (*p == '(') || (*p == ')'))
{
if (~length < 1)
ThrowFatalException(ResourceLimitFatalError,"UnableToEscapeString");
length++;
}
length++;
}
destination=(char *) NULL;
if (~length >= (MagickPathExtent-1))
destination=(char *) AcquireQuantumMemory(length+MagickPathExtent,
sizeof(*destination));
if (destination == (char *) NULL)
ThrowFatalException(ResourceLimitFatalError,"UnableToEscapeString");
*destination='\0';
q=destination;
for (p=source; *p != '\0'; p++)
{
if ((*p == '\\') || (*p == '(') || (*p == ')'))
*q++='\\';
*q++=(*p);
}
*q='\0';
return(destination);
}
static size_t UTF8ToUTF16(const unsigned char *utf8,wchar_t *utf16)
{
const unsigned char
*p;
if (utf16 != (wchar_t *) NULL)
{
wchar_t
*q;
wchar_t
c;
/*
Convert UTF-8 to UTF-16.
*/
q=utf16;
for (p=utf8; *p != '\0'; p++)
{
if ((*p & 0x80) == 0)
*q=(*p);
else
if ((*p & 0xE0) == 0xC0)
{
c=(*p);
*q=(c & 0x1F) << 6;
p++;
if ((*p & 0xC0) != 0x80)
return(0);
*q|=(*p & 0x3F);
}
else
if ((*p & 0xF0) == 0xE0)
{
c=(*p);
*q=c << 12;
p++;
if ((*p & 0xC0) != 0x80)
return(0);
c=(*p);