/
tiff.c
4213 lines (3928 loc) · 132 KB
/
tiff.c
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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% TTTTT IIIII FFFFF FFFFF %
% T I F F %
% T I FFF FFF %
% T I F F %
% T IIIII F F %
% %
% %
% Read/Write TIFF Image Format %
% %
% Software Design %
% Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
% https://imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
% See the License for the specific language governing permissions and %
% limitations under the License. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#ifdef __VMS
#define JPEG_SUPPORT 1
#endif
#include "MagickCore/studio.h"
#include "MagickCore/artifact.h"
#include "MagickCore/attribute.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/colormap.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/constitute.h"
#include "MagickCore/enhance.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/log.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/memory-private.h"
#include "MagickCore/module.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/option.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/pixel-private.h"
#include "MagickCore/property.h"
#include "MagickCore/quantum.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/profile.h"
#include "MagickCore/resize.h"
#include "MagickCore/resource_.h"
#include "MagickCore/semaphore.h"
#include "MagickCore/splay-tree.h"
#include "MagickCore/static.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
#include "MagickCore/string-private.h"
#include "MagickCore/thread_.h"
#include "MagickCore/token.h"
#include "MagickCore/utility.h"
#include "psd-private.h"
#if defined(MAGICKCORE_TIFF_DELEGATE)
# if defined(MAGICKCORE_HAVE_TIFFCONF_H)
# include <tiffconf.h>
# endif
# include <tiff.h>
# include <tiffio.h>
# if !defined(COMPRESSION_ADOBE_DEFLATE)
# define COMPRESSION_ADOBE_DEFLATE 8
# endif
# if !defined(PREDICTOR_HORIZONTAL)
# define PREDICTOR_HORIZONTAL 2
# endif
# if !defined(TIFFTAG_COPYRIGHT)
# define TIFFTAG_COPYRIGHT 33432
# endif
# if !defined(TIFFTAG_OPIIMAGEID)
# define TIFFTAG_OPIIMAGEID 32781
# endif
# if defined(COMPRESSION_ZSTD) && defined(MAGICKCORE_ZSTD_DELEGATE)
# include <zstd.h>
# endif
#if (TIFFLIB_VERSION >= 20201219)
#if defined(MAGICKCORE_HAVE_STDINT_H) || defined(MAGICKCORE_WINDOWS_SUPPORT)
# undef uint16
# define uint16 uint16_t
# undef uint32
# define uint32 uint32_t
# undef uint64
# define uint64 uint64_t
#endif
#endif
/*
Typedef declarations.
*/
typedef enum
{
ReadYCCKMethod,
ReadStripMethod,
ReadTileMethod,
ReadGenericMethod
} TIFFMethodType;
typedef struct _PhotoshopProfile
{
StringInfo
*data;
MagickOffsetType
offset;
size_t
length,
extent,
quantum;
} PhotoshopProfile;
/*
Global declarations.
*/
static MagickThreadKey
tiff_exception;
static SemaphoreInfo
*tiff_semaphore = (SemaphoreInfo *) NULL;
static TIFFErrorHandler
error_handler,
warning_handler;
static volatile MagickBooleanType
instantiate_key = MagickFalse;
/*
Forward declarations.
*/
static Image *
ReadTIFFImage(const ImageInfo *,ExceptionInfo *);
static MagickBooleanType
WriteGROUP4Image(const ImageInfo *,Image *,ExceptionInfo *),
WritePTIFImage(const ImageInfo *,Image *,ExceptionInfo *),
WriteTIFFImage(const ImageInfo *,Image *,ExceptionInfo *);
static MagickOffsetType TIFFSeekCustomStream(const MagickOffsetType offset,
const int whence,void *user_data)
{
PhotoshopProfile
*profile;
profile=(PhotoshopProfile *) user_data;
switch (whence)
{
case SEEK_SET:
default:
{
if (offset < 0)
return(-1);
profile->offset=offset;
break;
}
case SEEK_CUR:
{
if (((offset > 0) && (profile->offset > (MAGICK_SSIZE_MAX-offset))) ||
((offset < 0) && (profile->offset < (MAGICK_SSIZE_MIN-offset))))
{
errno=EOVERFLOW;
return(-1);
}
if ((profile->offset+offset) < 0)
return(-1);
profile->offset+=offset;
break;
}
case SEEK_END:
{
if (((MagickOffsetType) profile->length+offset) < 0)
return(-1);
profile->offset=profile->length+offset;
break;
}
}
return(profile->offset);
}
static MagickOffsetType TIFFTellCustomStream(void *user_data)
{
PhotoshopProfile
*profile;
profile=(PhotoshopProfile *) user_data;
return(profile->offset);
}
static void InitPSDInfo(const Image *image,PSDInfo *info)
{
(void) memset(info,0,sizeof(*info));
info->version=1;
info->columns=image->columns;
info->rows=image->rows;
info->mode=10; /* Set the mode to a value that won't change the colorspace */
info->channels=1U;
info->min_channels=1U;
info->has_merged_image=MagickFalse;
if (image->storage_class == PseudoClass)
info->mode=2; /* indexed mode */
else
{
info->channels=(unsigned short) image->number_channels;
info->min_channels=info->channels;
if (image->alpha_trait == BlendPixelTrait)
info->min_channels--;
}
}
#endif
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I s T I F F %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% IsTIFF() returns MagickTrue if the image format type, identified by the
% magick string, is TIFF.
%
% The format of the IsTIFF method is:
%
% MagickBooleanType IsTIFF(const unsigned char *magick,const size_t length)
%
% A description of each parameter follows:
%
% o magick: compare image format pattern against these bytes.
%
% o length: Specifies the length of the magick string.
%
*/
static MagickBooleanType IsTIFF(const unsigned char *magick,const size_t length)
{
if (length < 4)
return(MagickFalse);
if (memcmp(magick,"\115\115\000\052",4) == 0)
return(MagickTrue);
if (memcmp(magick,"\111\111\052\000",4) == 0)
return(MagickTrue);
#if defined(TIFF_VERSION_BIG)
if (length < 8)
return(MagickFalse);
if (memcmp(magick,"\115\115\000\053\000\010\000\000",8) == 0)
return(MagickTrue);
if (memcmp(magick,"\111\111\053\000\010\000\000\000",8) == 0)
return(MagickTrue);
#endif
return(MagickFalse);
}
#if defined(MAGICKCORE_TIFF_DELEGATE)
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d G R O U P 4 I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadGROUP4Image() reads a raw CCITT Group 4 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 ReadGROUP4Image method is:
%
% Image *ReadGROUP4Image(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 inline size_t WriteLSBLong(FILE *file,const unsigned int value)
{
unsigned char
buffer[4];
buffer[0]=(unsigned char) value;
buffer[1]=(unsigned char) (value >> 8);
buffer[2]=(unsigned char) (value >> 16);
buffer[3]=(unsigned char) (value >> 24);
return(fwrite(buffer,1,4,file));
}
static Image *ReadGROUP4Image(const ImageInfo *image_info,
ExceptionInfo *exception)
{
char
filename[MagickPathExtent];
FILE
*file;
Image
*image;
ImageInfo
*read_info;
int
c,
unique_file;
MagickBooleanType
status;
size_t
length;
ssize_t
offset,
strip_offset;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Write raw CCITT Group 4 wrapped as a TIFF image file.
*/
file=(FILE *) NULL;
unique_file=AcquireUniqueFileResource(filename);
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if ((unique_file == -1) || (file == (FILE *) NULL))
ThrowImageException(FileOpenError,"UnableToCreateTemporaryFile");
length=fwrite("\111\111\052\000\010\000\000\000\016\000",1,10,file);
if (length != 10)
ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
length=fwrite("\376\000\003\000\001\000\000\000\000\000\000\000",1,12,file);
length=fwrite("\000\001\004\000\001\000\000\000",1,8,file);
length=WriteLSBLong(file,(unsigned int) image->columns);
length=fwrite("\001\001\004\000\001\000\000\000",1,8,file);
length=WriteLSBLong(file,(unsigned int) image->rows);
length=fwrite("\002\001\003\000\001\000\000\000\001\000\000\000",1,12,file);
length=fwrite("\003\001\003\000\001\000\000\000\004\000\000\000",1,12,file);
length=fwrite("\006\001\003\000\001\000\000\000\000\000\000\000",1,12,file);
length=fwrite("\021\001\003\000\001\000\000\000",1,8,file);
strip_offset=10+(12*14)+4+8;
length=WriteLSBLong(file,(unsigned int) strip_offset);
length=fwrite("\022\001\003\000\001\000\000\000",1,8,file);
length=WriteLSBLong(file,(unsigned int) image_info->orientation);
length=fwrite("\025\001\003\000\001\000\000\000\001\000\000\000",1,12,file);
length=fwrite("\026\001\004\000\001\000\000\000",1,8,file);
length=WriteLSBLong(file,(unsigned int) image->rows);
length=fwrite("\027\001\004\000\001\000\000\000\000\000\000\000",1,12,file);
offset=(ssize_t) ftell(file)-4;
length=fwrite("\032\001\005\000\001\000\000\000",1,8,file);
length=WriteLSBLong(file,(unsigned int) (strip_offset-8));
length=fwrite("\033\001\005\000\001\000\000\000",1,8,file);
length=WriteLSBLong(file,(unsigned int) (strip_offset-8));
length=fwrite("\050\001\003\000\001\000\000\000\002\000\000\000",1,12,file);
length=fwrite("\000\000\000\000",1,4,file);
length=WriteLSBLong(file,(unsigned int) image->resolution.x);
length=WriteLSBLong(file,1);
status=MagickTrue;
for (length=0; (c=ReadBlobByte(image)) != EOF; length++)
if (fputc(c,file) != c)
status=MagickFalse;
offset=(ssize_t) fseek(file,(ssize_t) offset,SEEK_SET);
length=WriteLSBLong(file,(unsigned int) length);
if (ferror(file) != 0)
{
(void) fclose(file);
ThrowImageException(FileOpenError,"UnableToCreateTemporaryFile");
}
(void) fclose(file);
(void) CloseBlob(image);
image=DestroyImage(image);
/*
Read TIFF image.
*/
read_info=CloneImageInfo((ImageInfo *) NULL);
(void) FormatLocaleString(read_info->filename,MagickPathExtent,"%s",filename);
image=ReadTIFFImage(read_info,exception);
read_info=DestroyImageInfo(read_info);
if (image != (Image *) NULL)
{
(void) CopyMagickString(image->filename,image_info->filename,
MagickPathExtent);
(void) CopyMagickString(image->magick_filename,image_info->filename,
MagickPathExtent);
(void) CopyMagickString(image->magick,"GROUP4",MagickPathExtent);
}
(void) RelinquishUniqueFileResource(filename);
if (status == MagickFalse)
image=DestroyImage(image);
return(image);
}
#endif
#if defined(MAGICKCORE_TIFF_DELEGATE)
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d T I F F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadTIFFImage() reads a Tagged 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 ReadTIFFImage method is:
%
% Image *ReadTIFFImage(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 inline unsigned char ClampYCC(double value)
{
value=255.0-value;
if (value < 0.0)
return((unsigned char)0);
if (value > 255.0)
return((unsigned char)255);
return((unsigned char)(value));
}
static MagickBooleanType DecodeLabImage(Image *image,ExceptionInfo *exception)
{
CacheView
*image_view;
MagickBooleanType
status;
ssize_t
y;
status=MagickTrue;
image_view=AcquireAuthenticCacheView(image,exception);
for (y=0; y < (ssize_t) image->rows; y++)
{
Quantum
*magick_restrict q;
ssize_t
x;
q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
{
status=MagickFalse;
break;
}
for (x=0; x < (ssize_t) image->columns; x++)
{
double
a,
b;
a=QuantumScale*GetPixela(image,q)+0.5;
if (a > 1.0)
a-=1.0;
b=QuantumScale*GetPixelb(image,q)+0.5;
if (b > 1.0)
b-=1.0;
SetPixela(image,QuantumRange*a,q);
SetPixelb(image,QuantumRange*b,q);
q+=GetPixelChannels(image);
}
if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
{
status=MagickFalse;
break;
}
}
image_view=DestroyCacheView(image_view);
return(status);
}
static MagickBooleanType ReadProfile(Image *image,const char *name,
const unsigned char *datum,ssize_t length,ExceptionInfo *exception)
{
MagickBooleanType
status;
StringInfo
*profile;
if (length < 4)
return(MagickFalse);
profile=BlobToStringInfo(datum,(size_t) length);
if (profile == (StringInfo *) NULL)
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
image->filename);
status=SetImageProfile(image,name,profile,exception);
profile=DestroyStringInfo(profile);
if (status == MagickFalse)
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
image->filename);
return(MagickTrue);
}
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
static int TIFFCloseBlob(thandle_t image)
{
(void) CloseBlob((Image *) image);
return(0);
}
static void TIFFErrors(const char *,const char *,va_list)
magick_attribute((__format__ (__printf__,2,0)));
static void TIFFErrors(const char *module,const char *format,va_list error)
{
char
message[MagickPathExtent];
ExceptionInfo
*exception;
#if defined(MAGICKCORE_HAVE_VSNPRINTF)
(void) vsnprintf(message,MagickPathExtent-2,format,error);
#else
(void) vsprintf(message,format,error);
#endif
message[MagickPathExtent-2]='\0';
(void) ConcatenateMagickString(message,".",MagickPathExtent);
exception=(ExceptionInfo *) GetMagickThreadValue(tiff_exception);
if (exception != (ExceptionInfo *) NULL)
(void) ThrowMagickException(exception,GetMagickModule(),CoderError,message,
"`%s'",module);
}
static toff_t TIFFGetBlobSize(thandle_t image)
{
return((toff_t) GetBlobSize((Image *) image));
}
static MagickBooleanType TIFFGetProfiles(TIFF *tiff,Image *image,
ExceptionInfo *exception)
{
MagickBooleanType
status;
uint32
length = 0;
unsigned char
*profile = (unsigned char *) NULL;
status=MagickTrue;
#if defined(TIFFTAG_ICCPROFILE)
if ((TIFFGetField(tiff,TIFFTAG_ICCPROFILE,&length,&profile) == 1) &&
(profile != (unsigned char *) NULL))
status=ReadProfile(image,"icc",profile,(ssize_t) length,exception);
#endif
#if defined(TIFFTAG_PHOTOSHOP)
if ((TIFFGetField(tiff,TIFFTAG_PHOTOSHOP,&length,&profile) == 1) &&
(profile != (unsigned char *) NULL))
status=ReadProfile(image,"8bim",profile,(ssize_t) length,exception);
#endif
#if defined(TIFFTAG_RICHTIFFIPTC) && (TIFFLIB_VERSION >= 20191103)
if ((TIFFGetField(tiff,TIFFTAG_RICHTIFFIPTC,&length,&profile) == 1) &&
(profile != (unsigned char *) NULL))
{
const TIFFField
*field;
field=TIFFFieldWithTag(tiff,TIFFTAG_RICHTIFFIPTC);
if (TIFFFieldDataType(field) == TIFF_LONG)
{
if (TIFFIsByteSwapped(tiff) != 0)
TIFFSwabArrayOfLong((uint32 *) profile,(size_t) length);
status=ReadProfile(image,"iptc",profile,4L*length,exception);
}
else
status=ReadProfile(image,"iptc",profile,length,exception);
}
#endif
#if defined(TIFFTAG_XMLPACKET)
if ((TIFFGetField(tiff,TIFFTAG_XMLPACKET,&length,&profile) == 1) &&
(profile != (unsigned char *) NULL))
{
StringInfo
*dng;
status=ReadProfile(image,"xmp",profile,(ssize_t) length,exception);
dng=BlobToStringInfo(profile,length);
if (dng != (StringInfo *) NULL)
{
const char
*target = "dc:format=\"image/dng\"";
if (strstr((char *) GetStringInfoDatum(dng),target) != (char *) NULL)
(void) CopyMagickString(image->magick,"DNG",MagickPathExtent);
dng=DestroyStringInfo(dng);
}
}
#endif
if ((TIFFGetField(tiff,34118,&length,&profile) == 1) &&
(profile != (unsigned char *) NULL))
status=ReadProfile(image,"tiff:34118",profile,(ssize_t) length,
exception);
if ((TIFFGetField(tiff,37724,&length,&profile) == 1) &&
(profile != (unsigned char *) NULL))
status=ReadProfile(image,"tiff:37724",profile,(ssize_t) length,exception);
return(status);
}
static MagickBooleanType TIFFGetProperties(TIFF *tiff,Image *image,
ExceptionInfo *exception)
{
char
message[MagickPathExtent],
*text;
MagickBooleanType
status;
uint32
count,
type;
text=(char *) NULL;
status=MagickTrue;
if ((TIFFGetField(tiff,TIFFTAG_ARTIST,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"tiff:artist",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_COPYRIGHT,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"tiff:copyright",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_DATETIME,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"tiff:timestamp",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_DOCUMENTNAME,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"tiff:document",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_HOSTCOMPUTER,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"tiff:hostcomputer",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_IMAGEDESCRIPTION,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"comment",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_MAKE,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"tiff:make",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_MODEL,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"tiff:model",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_OPIIMAGEID,&count,&text) == 1) &&
(text != (char *) NULL))
{
if (count >= MagickPathExtent)
count=MagickPathExtent-1;
(void) CopyMagickString(message,text,count+1);
status=SetImageProperty(image,"tiff:image-id",message,exception);
}
if ((TIFFGetField(tiff,TIFFTAG_PAGENAME,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"label",text,exception);
if ((TIFFGetField(tiff,TIFFTAG_SOFTWARE,&text) == 1) &&
(text != (char *) NULL))
status=SetImageProperty(image,"tiff:software",text,exception);
if ((TIFFGetField(tiff,33423,&count,&text) == 1) && (text != (char *) NULL))
{
if (count >= MagickPathExtent)
count=MagickPathExtent-1;
(void) CopyMagickString(message,text,count+1);
status=SetImageProperty(image,"tiff:kodak-33423",message,exception);
}
if ((TIFFGetField(tiff,36867,&count,&text) == 1) && (text != (char *) NULL))
{
if (count >= MagickPathExtent)
count=MagickPathExtent-1;
(void) CopyMagickString(message,text,count+1);
status=SetImageProperty(image,"tiff:kodak-36867",message,exception);
}
if (TIFFGetField(tiff,TIFFTAG_SUBFILETYPE,&type) == 1)
switch (type)
{
case 0x01:
{
status=SetImageProperty(image,"tiff:subfiletype","REDUCEDIMAGE",
exception);
break;
}
case 0x02:
{
status=SetImageProperty(image,"tiff:subfiletype","PAGE",exception);
break;
}
case 0x04:
{
status=SetImageProperty(image,"tiff:subfiletype","MASK",exception);
break;
}
default:
break;
}
return(status);
}
static MagickBooleanType TIFFSetImageProperties(TIFF *tiff,Image *image,
const char *tag,ExceptionInfo *exception)
{
char
buffer[MagickPathExtent],
filename[MagickPathExtent];
FILE
*file;
int
unique_file;
/*
Set EXIF or GPS image properties.
*/
unique_file=AcquireUniqueFileResource(filename);
file=(FILE *) NULL;
if (unique_file != -1)
file=fdopen(unique_file,"rb+");
if ((unique_file == -1) || (file == (FILE *) NULL))
{
(void) RelinquishUniqueFileResource(filename);
(void) ThrowMagickException(exception,GetMagickModule(),WandError,
"UnableToCreateTemporaryFile","`%s'",filename);
return(MagickFalse);
}
TIFFPrintDirectory(tiff,file,0);
(void) fseek(file,0,SEEK_SET);
while (fgets(buffer,(int) sizeof(buffer),file) != NULL)
{
char
*p,
property[MagickPathExtent],
value[MagickPathExtent];
(void) StripMagickString(buffer);
p=strchr(buffer,':');
if (p == (char *) NULL)
continue;
*p='\0';
(void) sprintf(property,"%s%.1024s",tag,buffer);
(void) sprintf(value,"%s",p+1);
(void) StripMagickString(value);
(void) SetImageProperty(image,property,value,exception);
}
(void) fclose(file);
(void) RelinquishUniqueFileResource(filename);
return(MagickTrue);
}
static MagickBooleanType TIFFGetEXIFProperties(TIFF *tiff,Image *image,
ExceptionInfo *exception)
{
#if defined(MAGICKCORE_HAVE_TIFFREADEXIFDIRECTORY)
MagickBooleanType
status;
tdir_t
directory;
#if defined(TIFF_VERSION_BIG)
uint64
#else
uint32
#endif
offset;
/*
Read EXIF properties.
*/
offset=0;
if (TIFFGetField(tiff,TIFFTAG_EXIFIFD,&offset) != 1)
return(MagickFalse);
directory=TIFFCurrentDirectory(tiff);
if (TIFFReadEXIFDirectory(tiff,offset) != 1)
{
TIFFSetDirectory(tiff,directory);
return(MagickFalse);
}
status=TIFFSetImageProperties(tiff,image,"exif:",exception);
TIFFSetDirectory(tiff,directory);
return(status);
#else
(void) tiff;
(void) image;
return(MagickTrue);
#endif
}
static MagickBooleanType TIFFGetGPSProperties(TIFF *tiff,Image *image,
ExceptionInfo *exception)
{
#if defined(MAGICKCORE_HAVE_TIFFREADGPSDIRECTORY)
MagickBooleanType
status;
tdir_t
directory;
#if defined(TIFF_VERSION_BIG)
uint64
#else
uint32
#endif
offset;
/*
Read GPS properties.
*/
offset=0;
if (TIFFGetField(tiff,TIFFTAG_GPSIFD,&offset) != 1)
return(MagickFalse);
directory=TIFFCurrentDirectory(tiff);
if (TIFFReadGPSDirectory(tiff,offset) != 1)
{
TIFFSetDirectory(tiff,directory);
return(MagickFalse);
}
status=TIFFSetImageProperties(tiff,image,"exif:GPS",exception);
TIFFSetDirectory(tiff,directory);
return(status);
#else
magick_unreferenced(tiff);
magick_unreferenced(image);
magick_unreferenced(exception);
return(MagickTrue);
#endif
}
static int TIFFMapBlob(thandle_t image,tdata_t *base,toff_t *size)
{
*base=(tdata_t *) GetBlobStreamData((Image *) image);
if (*base != (tdata_t *) NULL)
*size=(toff_t) GetBlobSize((Image *) image);
if (*base != (tdata_t *) NULL)
return(1);
return(0);
}
static tsize_t TIFFReadBlob(thandle_t image,tdata_t data,tsize_t size)
{
tsize_t
count;
count=(tsize_t) ReadBlob((Image *) image,(size_t) size,
(unsigned char *) data);
return(count);
}
static int TIFFReadPixels(TIFF *tiff,const tsample_t sample,
const ssize_t row,tdata_t scanline)
{
int
status;
status=TIFFReadScanline(tiff,scanline,(uint32) row,sample);
return(status);
}
static toff_t TIFFSeekBlob(thandle_t image,toff_t offset,int whence)
{
return((toff_t) SeekBlob((Image *) image,(MagickOffsetType) offset,whence));
}
static void TIFFUnmapBlob(thandle_t image,tdata_t base,toff_t size)
{
(void) image;
(void) base;
(void) size;
}
static void TIFFWarnings(const char *,const char *,va_list)
magick_attribute((__format__ (__printf__,2,0)));
static void TIFFWarnings(const char *module,const char *format,va_list warning)
{
char
message[MagickPathExtent];
ExceptionInfo
*exception;
#if defined(MAGICKCORE_HAVE_VSNPRINTF)
(void) vsnprintf(message,MagickPathExtent-2,format,warning);
#else
(void) vsprintf(message,format,warning);
#endif
message[MagickPathExtent-2]='\0';
(void) ConcatenateMagickString(message,".",MagickPathExtent);
exception=(ExceptionInfo *) GetMagickThreadValue(tiff_exception);
if (exception != (ExceptionInfo *) NULL)
(void) ThrowMagickException(exception,GetMagickModule(),CoderWarning,
message,"`%s'",module);
}
static tsize_t TIFFWriteBlob(thandle_t image,tdata_t data,tsize_t size)
{
tsize_t
count;
count=(tsize_t) WriteBlob((Image *) image,(size_t) size,
(unsigned char *) data);
return(count);
}
static TIFFMethodType GetJPEGMethod(Image* image,TIFF *tiff,uint16 photometric,
uint16 bits_per_sample,uint16 samples_per_pixel)
{
#define BUFFER_SIZE 2048
MagickOffsetType
position,
offset;
size_t
i;
TIFFMethodType
method;
#if defined(TIFF_VERSION_BIG)
uint64
#else
uint32
#endif
*value;
unsigned char