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property.c
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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% PPPP RRRR OOO PPPP EEEEE RRRR TTTTT Y Y %
% P P R R O O P P E R R T Y Y %
% PPPP RRRR O O PPPP EEE RRRR T Y %
% P R R O O P E R R T Y %
% P R R OOO P EEEEE R R T Y %
% %
% %
% MagickCore Property Methods %
% %
% Software Design %
% Cristy %
% March 2000 %
% %
% %
% 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/artifact.h"
#include "MagickCore/attribute.h"
#include "MagickCore/cache.h"
#include "MagickCore/cache-private.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/compare.h"
#include "MagickCore/constitute.h"
#include "MagickCore/draw.h"
#include "MagickCore/effect.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/fx.h"
#include "MagickCore/fx-private.h"
#include "MagickCore/gem.h"
#include "MagickCore/geometry.h"
#include "MagickCore/histogram.h"
#include "MagickCore/image.h"
#include "MagickCore/layer.h"
#include "MagickCore/locale-private.h"
#include "MagickCore/list.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/montage.h"
#include "MagickCore/option.h"
#include "MagickCore/policy.h"
#include "MagickCore/profile.h"
#include "MagickCore/property.h"
#include "MagickCore/quantum.h"
#include "MagickCore/resource_.h"
#include "MagickCore/splay-tree.h"
#include "MagickCore/signature.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
#include "MagickCore/string-private.h"
#include "MagickCore/token.h"
#include "MagickCore/token-private.h"
#include "MagickCore/utility.h"
#include "MagickCore/utility-private.h"
#include "MagickCore/version.h"
#include "MagickCore/xml-tree.h"
#include "MagickCore/xml-tree-private.h"
#if defined(MAGICKCORE_LCMS_DELEGATE)
#if defined(MAGICKCORE_HAVE_LCMS2_LCMS2_H)
#include <lcms2/lcms2.h>
#elif defined(MAGICKCORE_HAVE_LCMS2_H)
#include "lcms2.h"
#elif defined(MAGICKCORE_HAVE_LCMS_LCMS_H)
#include <lcms/lcms.h>
#else
#include "lcms.h"
#endif
#endif
/*
Define declarations.
*/
#if defined(MAGICKCORE_LCMS_DELEGATE)
#if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
#define cmsUInt32Number DWORD
#endif
#endif
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% C l o n e I m a g e P r o p e r t i e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CloneImageProperties() clones all the image properties to another image.
%
% The format of the CloneImageProperties method is:
%
% MagickBooleanType CloneImageProperties(Image *image,
% const Image *clone_image)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o clone_image: the clone image.
%
*/
MagickExport MagickBooleanType CloneImageProperties(Image *image,
const Image *clone_image)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
assert(clone_image != (const Image *) NULL);
assert(clone_image->signature == MagickCoreSignature);
if (IsEventLogging() != MagickFalse)
{
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
clone_image->filename);
}
(void) CopyMagickString(image->filename,clone_image->filename,
MagickPathExtent);
(void) CopyMagickString(image->magick_filename,clone_image->magick_filename,
MagickPathExtent);
image->compression=clone_image->compression;
image->quality=clone_image->quality;
image->depth=clone_image->depth;
image->matte_color=clone_image->matte_color;
image->background_color=clone_image->background_color;
image->border_color=clone_image->border_color;
image->transparent_color=clone_image->transparent_color;
image->gamma=clone_image->gamma;
image->chromaticity=clone_image->chromaticity;
image->rendering_intent=clone_image->rendering_intent;
image->black_point_compensation=clone_image->black_point_compensation;
image->units=clone_image->units;
image->montage=(char *) NULL;
image->directory=(char *) NULL;
(void) CloneString(&image->geometry,clone_image->geometry);
image->offset=clone_image->offset;
image->resolution.x=clone_image->resolution.x;
image->resolution.y=clone_image->resolution.y;
image->page=clone_image->page;
image->tile_offset=clone_image->tile_offset;
image->extract_info=clone_image->extract_info;
image->filter=clone_image->filter;
image->fuzz=clone_image->fuzz;
image->intensity=clone_image->intensity;
image->interlace=clone_image->interlace;
image->interpolate=clone_image->interpolate;
image->endian=clone_image->endian;
image->gravity=clone_image->gravity;
image->compose=clone_image->compose;
image->orientation=clone_image->orientation;
image->scene=clone_image->scene;
image->dispose=clone_image->dispose;
image->delay=clone_image->delay;
image->ticks_per_second=clone_image->ticks_per_second;
image->iterations=clone_image->iterations;
image->total_colors=clone_image->total_colors;
image->taint=clone_image->taint;
image->progress_monitor=clone_image->progress_monitor;
image->client_data=clone_image->client_data;
image->start_loop=clone_image->start_loop;
image->error=clone_image->error;
image->signature=clone_image->signature;
if (clone_image->properties != (void *) NULL)
{
if (image->properties != (void *) NULL)
DestroyImageProperties(image);
image->properties=CloneSplayTree((SplayTreeInfo *)
clone_image->properties,(void *(*)(void *)) ConstantString,
(void *(*)(void *)) ConstantString);
}
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e f i n e I m a g e P r o p e r t y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DefineImageProperty() associates an assignment string of the form
% "key=value" with an artifact or options. It is equivalent to
% SetImageProperty().
%
% The format of the DefineImageProperty method is:
%
% MagickBooleanType DefineImageProperty(Image *image,const char *property,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o property: the image property.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType DefineImageProperty(Image *image,
const char *property,ExceptionInfo *exception)
{
char
key[MagickPathExtent],
value[MagickPathExtent];
char
*p;
assert(image != (Image *) NULL);
assert(property != (const char *) NULL);
(void) CopyMagickString(key,property,MagickPathExtent-1);
for (p=key; *p != '\0'; p++)
if (*p == '=')
break;
*value='\0';
if (*p == '=')
(void) CopyMagickString(value,p+1,MagickPathExtent);
*p='\0';
return(SetImageProperty(image,key,value,exception));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e l e t e I m a g e P r o p e r t y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DeleteImageProperty() deletes an image property.
%
% The format of the DeleteImageProperty method is:
%
% MagickBooleanType DeleteImageProperty(Image *image,const char *property)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o property: the image property.
%
*/
MagickExport MagickBooleanType DeleteImageProperty(Image *image,
const char *property)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->properties == (void *) NULL)
return(MagickFalse);
return(DeleteNodeFromSplayTree((SplayTreeInfo *) image->properties,property));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e s t r o y I m a g e P r o p e r t i e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyImageProperties() destroys all properties and associated memory
% attached to the given image.
%
% The format of the DestroyDefines method is:
%
% void DestroyImageProperties(Image *image)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
MagickExport void DestroyImageProperties(Image *image)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->properties != (void *) NULL)
image->properties=(void *) DestroySplayTree((SplayTreeInfo *)
image->properties);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% F o r m a t I m a g e P r o p e r t y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% FormatImageProperty() permits formatted property/value pairs to be saved as
% an image property.
%
% The format of the FormatImageProperty method is:
%
% MagickBooleanType FormatImageProperty(Image *image,const char *property,
% const char *format,...)
%
% A description of each parameter follows.
%
% o image: The image.
%
% o property: The attribute property.
%
% o format: A string describing the format to use to write the remaining
% arguments.
%
*/
MagickExport MagickBooleanType FormatImageProperty(Image *image,
const char *property,const char *format,...)
{
char
value[MagickPathExtent];
ExceptionInfo
*exception;
MagickBooleanType
status;
ssize_t
n;
va_list
operands;
va_start(operands,format);
n=FormatLocaleStringList(value,MagickPathExtent,format,operands);
(void) n;
va_end(operands);
exception=AcquireExceptionInfo();
status=SetImageProperty(image,property,value,exception);
exception=DestroyExceptionInfo(exception);
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t I m a g e P r o p e r t y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetImageProperty() gets a value associated with an image property.
%
% This includes, profile prefixes, such as "exif:", "iptc:" and "8bim:"
% It does not handle non-profile prefixes, such as "fx:", "option:", or
% "artifact:".
%
% The returned string is stored as a prosperity of the same name for faster
% lookup later. It should NOT be freed by the caller.
%
% The format of the GetImageProperty method is:
%
% const char *GetImageProperty(const Image *image,const char *key,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o key: the key.
%
% o exception: return any errors or warnings in this structure.
%
*/
static char
*TracePSClippath(const unsigned char *,size_t),
*TraceSVGClippath(const unsigned char *,size_t,const size_t,
const size_t);
static void GetIPTCProperty(const Image *image,const char *key,
ExceptionInfo *exception)
{
char
*attribute,
*message;
const StringInfo
*profile;
long
count,
dataset,
record;
ssize_t
i;
size_t
length;
profile=GetImageProfile(image,"iptc");
if (profile == (StringInfo *) NULL)
profile=GetImageProfile(image,"8bim");
if (profile == (StringInfo *) NULL)
return;
count=sscanf(key,"IPTC:%ld:%ld",&dataset,&record);
if (count != 2)
return;
attribute=(char *) NULL;
for (i=0; i < (ssize_t) GetStringInfoLength(profile); i+=(ssize_t) length)
{
length=1;
if ((ssize_t) GetStringInfoDatum(profile)[i] != 0x1c)
continue;
length=(size_t) (GetStringInfoDatum(profile)[i+3] << 8);
length|=GetStringInfoDatum(profile)[i+4];
if (((long) GetStringInfoDatum(profile)[i+1] == dataset) &&
((long) GetStringInfoDatum(profile)[i+2] == record))
{
message=(char *) NULL;
if (~length >= 1)
message=(char *) AcquireQuantumMemory(length+1UL,sizeof(*message));
if (message != (char *) NULL)
{
(void) CopyMagickString(message,(char *) GetStringInfoDatum(
profile)+i+5,length+1);
(void) ConcatenateString(&attribute,message);
(void) ConcatenateString(&attribute,";");
message=DestroyString(message);
}
}
i+=5;
}
if ((attribute == (char *) NULL) || (*attribute == ';'))
{
if (attribute != (char *) NULL)
attribute=DestroyString(attribute);
return;
}
attribute[strlen(attribute)-1]='\0';
(void) SetImageProperty((Image *) image,key,(const char *) attribute,
exception);
attribute=DestroyString(attribute);
}
static inline int ReadPropertyByte(const unsigned char **p,size_t *length)
{
int
c;
if (*length < 1)
return(EOF);
c=(int) (*(*p)++);
(*length)--;
return(c);
}
static inline signed int ReadPropertyMSBLong(const unsigned char **p,
size_t *length)
{
union
{
unsigned int
unsigned_value;
signed int
signed_value;
} quantum;
int
c;
ssize_t
i;
unsigned char
buffer[4];
unsigned int
value;
if (*length < 4)
return(-1);
for (i=0; i < 4; i++)
{
c=(int) (*(*p)++);
(*length)--;
buffer[i]=(unsigned char) c;
}
value=(unsigned int) buffer[0] << 24;
value|=(unsigned int) buffer[1] << 16;
value|=(unsigned int) buffer[2] << 8;
value|=(unsigned int) buffer[3];
quantum.unsigned_value=value & 0xffffffff;
return(quantum.signed_value);
}
static inline signed short ReadPropertyMSBShort(const unsigned char **p,
size_t *length)
{
union
{
unsigned short
unsigned_value;
signed short
signed_value;
} quantum;
int
c;
ssize_t
i;
unsigned char
buffer[2];
unsigned short
value;
if (*length < 2)
return(-1);
for (i=0; i < 2; i++)
{
c=(int) (*(*p)++);
(*length)--;
buffer[i]=(unsigned char) c;
}
value=(unsigned short) buffer[0] << 8;
value|=(unsigned short) buffer[1];
quantum.unsigned_value=value & 0xffff;
return(quantum.signed_value);
}
static void Get8BIMProperty(const Image *image,const char *key,
ExceptionInfo *exception)
{
char
*attribute,
format[MagickPathExtent],
name[MagickPathExtent],
*resource;
const StringInfo
*profile;
const unsigned char
*info;
long
start,
stop;
MagickBooleanType
status;
size_t
length;
ssize_t
count,
i,
id,
sub_number;
/*
There are no newlines in path names, so it's safe as terminator.
*/
profile=GetImageProfile(image,"8bim");
if (profile == (StringInfo *) NULL)
return;
count=(ssize_t) sscanf(key,"8BIM:%ld,%ld:%1024[^\n]\n%1024[^\n]",&start,&stop,
name,format);
if ((count != 2) && (count != 3) && (count != 4))
return;
if (count < 4)
(void) CopyMagickString(format,"SVG",MagickPathExtent);
if (count < 3)
*name='\0';
sub_number=1;
if (*name == '#')
sub_number=(ssize_t) StringToLong(&name[1]);
sub_number=MagickMax(sub_number,1L);
resource=(char *) NULL;
status=MagickFalse;
length=GetStringInfoLength(profile);
info=GetStringInfoDatum(profile);
while ((length > 0) && (status == MagickFalse))
{
if (ReadPropertyByte(&info,&length) != (unsigned char) '8')
continue;
if (ReadPropertyByte(&info,&length) != (unsigned char) 'B')
continue;
if (ReadPropertyByte(&info,&length) != (unsigned char) 'I')
continue;
if (ReadPropertyByte(&info,&length) != (unsigned char) 'M')
continue;
id=(ssize_t) ReadPropertyMSBShort(&info,&length);
if (id < (ssize_t) start)
continue;
if (id > (ssize_t) stop)
continue;
if (resource != (char *) NULL)
resource=DestroyString(resource);
count=(ssize_t) ReadPropertyByte(&info,&length);
if ((count != 0) && ((size_t) count <= length))
{
resource=(char *) NULL;
if (~((size_t) count) >= (MagickPathExtent-1))
resource=(char *) AcquireQuantumMemory((size_t) count+
MagickPathExtent,sizeof(*resource));
if (resource != (char *) NULL)
{
for (i=0; i < (ssize_t) count; i++)
resource[i]=(char) ReadPropertyByte(&info,&length);
resource[count]='\0';
}
}
if ((count & 0x01) == 0)
(void) ReadPropertyByte(&info,&length);
count=(ssize_t) ReadPropertyMSBLong(&info,&length);
if ((count < 0) || ((size_t) count > length))
{
length=0;
continue;
}
if ((*name != '\0') && (*name != '#'))
if ((resource == (char *) NULL) || (LocaleCompare(name,resource) != 0))
{
/*
No name match, scroll forward and try next.
*/
info+=count;
length=(size_t) ((ssize_t) length-MagickMin(count,(ssize_t) length));
continue;
}
if ((*name == '#') && (sub_number != 1))
{
/*
No numbered match, scroll forward and try next.
*/
sub_number--;
info+=count;
length=(size_t) ((ssize_t) length-MagickMin(count,(ssize_t) length));
continue;
}
/*
We have the resource of interest.
*/
attribute=(char *) NULL;
if (~((size_t) count) >= (MagickPathExtent-1))
attribute=(char *) AcquireQuantumMemory((size_t) count+MagickPathExtent,
sizeof(*attribute));
if (attribute != (char *) NULL)
{
(void) memcpy(attribute,(char *) info,(size_t) count);
attribute[count]='\0';
info+=count;
length=(size_t) ((ssize_t) length-MagickMin(count,(ssize_t) length));
if ((id <= 1999) || (id >= 2999))
(void) SetImageProperty((Image *) image,key,(const char *) attribute,
exception);
else
{
char
*path;
if (LocaleCompare(format,"svg") == 0)
path=TraceSVGClippath((unsigned char *) attribute,(size_t) count,
image->columns,image->rows);
else
path=TracePSClippath((unsigned char *) attribute,(size_t) count);
(void) SetImageProperty((Image *) image,key,(const char *) path,
exception);
path=DestroyString(path);
}
attribute=DestroyString(attribute);
status=MagickTrue;
}
}
if (resource != (char *) NULL)
resource=DestroyString(resource);
}
static inline signed int ReadPropertySignedLong(const EndianType endian,
const unsigned char *buffer)
{
union
{
unsigned int
unsigned_value;
signed int
signed_value;
} quantum;
unsigned int
value;
if (endian == LSBEndian)
{
value=(unsigned int) buffer[3] << 24;
value|=(unsigned int) buffer[2] << 16;
value|=(unsigned int) buffer[1] << 8;
value|=(unsigned int) buffer[0];
quantum.unsigned_value=value & 0xffffffff;
return(quantum.signed_value);
}
value=(unsigned int) buffer[0] << 24;
value|=(unsigned int) buffer[1] << 16;
value|=(unsigned int) buffer[2] << 8;
value|=(unsigned int) buffer[3];
quantum.unsigned_value=value & 0xffffffff;
return(quantum.signed_value);
}
static inline unsigned int ReadPropertyUnsignedLong(const EndianType endian,
const unsigned char *buffer)
{
unsigned int
value;
if (endian == LSBEndian)
{
value=(unsigned int) buffer[3] << 24;
value|=(unsigned int) buffer[2] << 16;
value|=(unsigned int) buffer[1] << 8;
value|=(unsigned int) buffer[0];
return(value & 0xffffffff);
}
value=(unsigned int) buffer[0] << 24;
value|=(unsigned int) buffer[1] << 16;
value|=(unsigned int) buffer[2] << 8;
value|=(unsigned int) buffer[3];
return(value & 0xffffffff);
}
static inline signed short ReadPropertySignedShort(const EndianType endian,
const unsigned char *buffer)
{
union
{
unsigned short
unsigned_value;
signed short
signed_value;
} quantum;
unsigned short
value;
if (endian == LSBEndian)
{
value=(unsigned short) buffer[1] << 8;
value|=(unsigned short) buffer[0];
quantum.unsigned_value=value & 0xffff;
return(quantum.signed_value);
}
value=(unsigned short) buffer[0] << 8;
value|=(unsigned short) buffer[1];
quantum.unsigned_value=value & 0xffff;
return(quantum.signed_value);
}
static inline unsigned short ReadPropertyUnsignedShort(const EndianType endian,
const unsigned char *buffer)
{
unsigned short
value;
if (endian == LSBEndian)
{
value=(unsigned short) buffer[1] << 8;
value|=(unsigned short) buffer[0];
return(value & 0xffff);
}
value=(unsigned short) buffer[0] << 8;
value|=(unsigned short) buffer[1];
return(value & 0xffff);
}
static void GetEXIFProperty(const Image *image,const char *property,
ExceptionInfo *exception)
{
#define MaxDirectoryStack 16
#define EXIF_DELIMITER "\n"
#define EXIF_NUM_FORMATS 12
#define EXIF_FMT_BYTE 1
#define EXIF_FMT_STRING 2
#define EXIF_FMT_USHORT 3
#define EXIF_FMT_ULONG 4
#define EXIF_FMT_URATIONAL 5
#define EXIF_FMT_SBYTE 6
#define EXIF_FMT_UNDEFINED 7
#define EXIF_FMT_SSHORT 8
#define EXIF_FMT_SLONG 9
#define EXIF_FMT_SRATIONAL 10
#define EXIF_FMT_SINGLE 11
#define EXIF_FMT_DOUBLE 12
#define GPS_LATITUDE 0x10002
#define GPS_LONGITUDE 0x10004
#define GPS_TIMESTAMP 0x10007
#define TAG_EXIF_OFFSET 0x8769
#define TAG_GPS_OFFSET 0x8825
#define TAG_INTEROP_OFFSET 0xa005
#define EXIFGPSFractions(format,arg1,arg2,arg3,arg4,arg5,arg6) \
{ \
size_t \
extent = 0; \
\
ssize_t \
component = 0; \
\
for ( ; component < components; component++) \
{ \
if (component != 0) \
extent+=(size_t) FormatLocaleString(buffer+extent,MagickPathExtent- \
extent,", "); \
extent+=(size_t) FormatLocaleString(buffer+extent,MagickPathExtent- \
extent,format,(arg1),(arg2),(arg3),(arg4),(arg5),(arg6)); \
if (extent >= (MagickPathExtent-1)) \
extent=MagickPathExtent-1; \
} \
buffer[extent]='\0'; \
value=AcquireString(buffer); \
}
#define EXIFMultipleValues(format,arg) \
{ \
size_t \
extent = 0; \
\
ssize_t \
component = 0; \
\
for ( ; component < components; component++) \
{ \
if (component != 0) \
extent+=(size_t) FormatLocaleString(buffer+extent,MagickPathExtent- \
extent,", "); \
extent+=(size_t) FormatLocaleString(buffer+extent,MagickPathExtent- \
extent,format,arg); \
if (extent >= (MagickPathExtent-1)) \
extent=MagickPathExtent-1; \
} \
buffer[extent]='\0'; \
value=AcquireString(buffer); \
}
#define EXIFMultipleFractions(format,arg1,arg2) \
{ \
size_t \
extent = 0; \
\
ssize_t \
component = 0; \
\
for ( ; component < components; component++) \
{ \
if (component != 0) \
extent+=(size_t) FormatLocaleString(buffer+extent,MagickPathExtent-\
extent,", "); \
extent+=(size_t) FormatLocaleString(buffer+extent,MagickPathExtent- \
extent,format,(arg1),(arg2)); \
if (extent >= (MagickPathExtent-1)) \
extent=MagickPathExtent-1; \
} \
buffer[extent]='\0'; \
value=AcquireString(buffer); \
}
typedef struct _DirectoryInfo
{
const unsigned char
*directory;
size_t
entry;
ssize_t
offset;
} DirectoryInfo;
typedef struct _TagInfo
{
size_t
tag;
const char
description[36];
} TagInfo;
static const TagInfo
EXIFTag[] =
{
{ 0x001, "exif:InteroperabilityIndex" },
{ 0x002, "exif:InteroperabilityVersion" },
{ 0x100, "exif:ImageWidth" },
{ 0x101, "exif:ImageLength" },
{ 0x102, "exif:BitsPerSample" },
{ 0x103, "exif:Compression" },
{ 0x106, "exif:PhotometricInterpretation" },
{ 0x10a, "exif:FillOrder" },
{ 0x10d, "exif:DocumentName" },
{ 0x10e, "exif:ImageDescription" },
{ 0x10f, "exif:Make" },
{ 0x110, "exif:Model" },
{ 0x111, "exif:StripOffsets" },
{ 0x112, "exif:Orientation" },
{ 0x115, "exif:SamplesPerPixel" },
{ 0x116, "exif:RowsPerStrip" },
{ 0x117, "exif:StripByteCounts" },
{ 0x11a, "exif:XResolution" },
{ 0x11b, "exif:YResolution" },
{ 0x11c, "exif:PlanarConfiguration" },
{ 0x11d, "exif:PageName" },
{ 0x11e, "exif:XPosition" },
{ 0x11f, "exif:YPosition" },
{ 0x118, "exif:MinSampleValue" },
{ 0x119, "exif:MaxSampleValue" },
{ 0x120, "exif:FreeOffsets" },
{ 0x121, "exif:FreeByteCounts" },
{ 0x122, "exif:GrayResponseUnit" },
{ 0x123, "exif:GrayResponseCurve" },
{ 0x124, "exif:T4Options" },
{ 0x125, "exif:T6Options" },
{ 0x128, "exif:ResolutionUnit" },
{ 0x12d, "exif:TransferFunction" },
{ 0x131, "exif:Software" },
{ 0x132, "exif:DateTime" },
{ 0x13b, "exif:Artist" },
{ 0x13e, "exif:WhitePoint" },
{ 0x13f, "exif:PrimaryChromaticities" },
{ 0x140, "exif:ColorMap" },
{ 0x141, "exif:HalfToneHints" },
{ 0x142, "exif:TileWidth" },
{ 0x143, "exif:TileLength" },
{ 0x144, "exif:TileOffsets" },
{ 0x145, "exif:TileByteCounts" },
{ 0x14a, "exif:SubIFD" },
{ 0x14c, "exif:InkSet" },
{ 0x14d, "exif:InkNames" },
{ 0x14e, "exif:NumberOfInks" },
{ 0x150, "exif:DotRange" },
{ 0x151, "exif:TargetPrinter" },
{ 0x152, "exif:ExtraSample" },
{ 0x153, "exif:SampleFormat" },
{ 0x154, "exif:SMinSampleValue" },
{ 0x155, "exif:SMaxSampleValue" },
{ 0x156, "exif:TransferRange" },
{ 0x157, "exif:ClipPath" },
{ 0x158, "exif:XClipPathUnits" },
{ 0x159, "exif:YClipPathUnits" },
{ 0x15a, "exif:Indexed" },