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magick-property.c
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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M M AAA GGGG IIIII CCCC K K %
% MM MM A A G I C K K %
% M M M AAAAA G GGG I C KKK %
% M M A A G G I C K K %
% M M A A GGGG IIIII CCCC K K %
% %
% 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 %
% %
% %
% Set or Get MagickWand Properties, Options, or Profiles %
% %
% Software Design %
% Cristy %
% August 2003 %
% %
% %
% Copyright 1999-2020 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 "MagickWand/studio.h"
#include "MagickWand/MagickWand.h"
#include "MagickWand/magick-wand-private.h"
#include "MagickWand/wand.h"
#include "MagickCore/string-private.h"
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k D e l e t e I m a g e A r t i f a c t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickDeleteImageArtifact() deletes a wand artifact.
%
% The format of the MagickDeleteImageArtifact method is:
%
% MagickBooleanType MagickDeleteImageArtifact(MagickWand *wand,
% const char *artifact)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o artifact: the image artifact.
%
*/
WandExport MagickBooleanType MagickDeleteImageArtifact(MagickWand *wand,
const char *artifact)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return(MagickFalse);
}
return(DeleteImageArtifact(wand->images,artifact));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k D e l e t e I m a g e P r o p e r t y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickDeleteImageProperty() deletes a wand property.
%
% The format of the MagickDeleteImageProperty method is:
%
% MagickBooleanType MagickDeleteImageProperty(MagickWand *wand,
% const char *property)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o property: the image property.
%
*/
WandExport MagickBooleanType MagickDeleteImageProperty(MagickWand *wand,
const char *property)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return(MagickFalse);
}
return(DeleteImageProperty(wand->images,property));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k D e l e t e O p t i o n %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickDeleteOption() deletes a wand option.
%
% The format of the MagickDeleteOption method is:
%
% MagickBooleanType MagickDeleteOption(MagickWand *wand,
% const char *option)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o option: the image option.
%
*/
WandExport MagickBooleanType MagickDeleteOption(MagickWand *wand,
const char *option)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
return(DeleteImageOption(wand->image_info,option));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t A n t i a l i a s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetAntialias() returns the antialias property associated with the
% wand.
%
% The format of the MagickGetAntialias method is:
%
% MagickBooleanType MagickGetAntialias(const MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport MagickBooleanType MagickGetAntialias(const MagickWand *wand)
{
assert(wand != (const MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
return(wand->image_info->antialias);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t B a c k g r o u n d C o l o r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetBackgroundColor() returns the wand background color.
%
% The format of the MagickGetBackgroundColor method is:
%
% PixelWand *MagickGetBackgroundColor(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport PixelWand *MagickGetBackgroundColor(MagickWand *wand)
{
PixelWand
*background_color;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
background_color=NewPixelWand();
PixelSetPixelColor(background_color,&wand->image_info->background_color);
return(background_color);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t C o l o r s p a c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetColorspace() gets the wand colorspace type.
%
% The format of the MagickGetColorspace method is:
%
% ColorspaceType MagickGetColorspace(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport ColorspaceType MagickGetColorspace(MagickWand *wand)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
return(wand->image_info->colorspace);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t C o m p r e s s i o n %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetCompression() gets the wand compression type.
%
% The format of the MagickGetCompression method is:
%
% CompressionType MagickGetCompression(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport CompressionType MagickGetCompression(MagickWand *wand)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
return(wand->image_info->compression);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t C o m p r e s s i o n Q u a l i t y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetCompressionQuality() gets the wand compression quality.
%
% The format of the MagickGetCompressionQuality method is:
%
% size_t MagickGetCompressionQuality(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport size_t MagickGetCompressionQuality(MagickWand *wand)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
return(wand->image_info->quality);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t C o p y r i g h t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetCopyright() returns the ImageMagick API copyright as a string
% constant.
%
% The format of the MagickGetCopyright method is:
%
% const char *MagickGetCopyright(void)
%
*/
WandExport const char *MagickGetCopyright(void)
{
return(GetMagickCopyright());
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t F i l e n a m e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetFilename() returns the filename associated with an image sequence.
%
% The format of the MagickGetFilename method is:
%
% const char *MagickGetFilename(const MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport char *MagickGetFilename(const MagickWand *wand)
{
assert(wand != (const MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
return(AcquireString(wand->image_info->filename));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t F o n t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetFont() returns the font associated with the MagickWand.
%
% The format of the MagickGetFont method is:
%
% char *MagickGetFont(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport char *MagickGetFont(MagickWand *wand)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->image_info->font == (char *) NULL)
return((char *) NULL);
return(AcquireString(wand->image_info->font));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t F o r m a t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetFormat() returns the format of the magick wand.
%
% The format of the MagickGetFormat method is:
%
% const char MagickGetFormat(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport char *MagickGetFormat(MagickWand *wand)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
return(AcquireString(wand->image_info->magick));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t G r a v i t y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetGravity() gets the wand gravity.
%
% The format of the MagickGetGravity method is:
%
% GravityType MagickGetGravity(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport GravityType MagickGetGravity(MagickWand *wand)
{
const char
*option;
GravityType
type;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
option=GetImageOption(wand->image_info,"gravity");
if (option == (const char *) NULL)
return(UndefinedGravity);
type=(GravityType) ParseCommandOption(MagickGravityOptions,MagickFalse,option);
return(type);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t H o m e U R L %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetHomeURL() returns the ImageMagick home URL.
%
% The format of the MagickGetHomeURL method is:
%
% char *MagickGetHomeURL(void)
%
*/
WandExport char *MagickGetHomeURL(void)
{
return(GetMagickHomeURL());
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t I m a g e A r t i f a c t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetImageArtifact() returns a value associated with the specified
% artifact. Use MagickRelinquishMemory() to free the value when you are
% finished with it.
%
% The format of the MagickGetImageArtifact method is:
%
% char *MagickGetImageArtifact(MagickWand *wand,const char *artifact)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o artifact: the artifact.
%
*/
WandExport char *MagickGetImageArtifact(MagickWand *wand,const char *artifact)
{
const char
*value;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return((char *) NULL);
}
value=GetImageArtifact(wand->images,artifact);
if (value == (const char *) NULL)
return((char *) NULL);
return(ConstantString(value));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t I m a g e P r o p e r t i e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetImageArtifacts() returns all the artifact names that match the
% specified pattern associated with a wand. Use MagickGetImageProperty() to
% return the value of a particular artifact. Use MagickRelinquishMemory() to
% free the value when you are finished with it.
%
% The format of the MagickGetImageArtifacts method is:
%
% char *MagickGetImageArtifacts(MagickWand *wand,
% const char *pattern,size_t *number_artifacts)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_artifacts: the number artifacts associated with this wand.
%
*/
WandExport char **MagickGetImageArtifacts(MagickWand *wand,
const char *pattern,size_t *number_artifacts)
{
char
**artifacts;
const char
*artifact;
register ssize_t
i;
size_t
length;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return((char **) NULL);
}
(void) GetImageProperty(wand->images,"exif:*",wand->exception);
length=1024;
artifacts=(char **) AcquireQuantumMemory(length,sizeof(*artifacts));
if (artifacts == (char **) NULL)
return((char **) NULL);
ResetImagePropertyIterator(wand->images);
artifact=GetNextImageProperty(wand->images);
for (i=0; artifact != (const char *) NULL; )
{
if ((*artifact != '[') &&
(GlobExpression(artifact,pattern,MagickFalse) != MagickFalse))
{
if ((i+1) >= (ssize_t) length)
{
length<<=1;
artifacts=(char **) ResizeQuantumMemory(artifacts,length,
sizeof(*artifacts));
if (artifacts == (char **) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",
wand->name);
return((char **) NULL);
}
}
artifacts[i]=ConstantString(artifact);
i++;
}
artifact=GetNextImageProperty(wand->images);
}
artifacts[i]=(char *) NULL;
*number_artifacts=(size_t) i;
return(artifacts);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t I m a g e P r o f i l e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetImageProfile() returns the named image profile.
%
% The format of the MagickGetImageProfile method is:
%
% unsigned char *MagickGetImageProfile(MagickWand *wand,const char *name,
% size_t *length)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o name: Name of profile to return: ICC, IPTC, or generic profile.
%
% o length: the length of the profile.
%
*/
WandExport unsigned char *MagickGetImageProfile(MagickWand *wand,
const char *name,size_t *length)
{
const StringInfo
*profile;
unsigned char
*datum;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return((unsigned char *) NULL);
}
*length=0;
if (wand->images->profiles == (SplayTreeInfo *) NULL)
return((unsigned char *) NULL);
profile=GetImageProfile(wand->images,name);
if (profile == (StringInfo *) NULL)
return((unsigned char *) NULL);
datum=(unsigned char *) AcquireQuantumMemory(GetStringInfoLength(profile),
sizeof(*datum));
if (datum == (unsigned char *) NULL)
return((unsigned char *) NULL);
(void) memcpy(datum,GetStringInfoDatum(profile),
GetStringInfoLength(profile));
*length=(size_t) GetStringInfoLength(profile);
return(datum);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t I m a g e P r o f i l e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetImageProfiles() returns all the profile names that match the
% specified pattern associated with a wand. Use MagickGetImageProfile() to
% return the value of a particular property. Use MagickRelinquishMemory() to
% free the value when you are finished with it.
%
% The format of the MagickGetImageProfiles method is:
%
% char *MagickGetImageProfiles(MagickWand *wand,const char *pattern,
% size_t *number_profiles)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_profiles: the number profiles associated with this wand.
%
*/
WandExport char **MagickGetImageProfiles(MagickWand *wand,const char *pattern,
size_t *number_profiles)
{
char
**profiles;
const char
*property;
register ssize_t
i;
size_t
length;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return((char **) NULL);
}
(void) GetImageProfile(wand->images,"exif:*");
length=1024;
profiles=(char **) AcquireQuantumMemory(length,sizeof(*profiles));
if (profiles == (char **) NULL)
return((char **) NULL);
ResetImageProfileIterator(wand->images);
property=GetNextImageProfile(wand->images);
for (i=0; property != (const char *) NULL; )
{
if ((*property != '[') &&
(GlobExpression(property,pattern,MagickFalse) != MagickFalse))
{
if ((i+1) >= (ssize_t) length)
{
length<<=1;
profiles=(char **) ResizeQuantumMemory(profiles,length,
sizeof(*profiles));
if (profiles == (char **) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",
wand->name);
return((char **) NULL);
}
}
profiles[i]=ConstantString(property);
i++;
}
property=GetNextImageProfile(wand->images);
}
profiles[i]=(char *) NULL;
*number_profiles=(size_t) i;
return(profiles);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t I m a g e P r o p e r t y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetImageProperty() returns a value associated with the specified
% property. Use MagickRelinquishMemory() to free the value when you are
% finished with it.
%
% The format of the MagickGetImageProperty method is:
%
% char *MagickGetImageProperty(MagickWand *wand,const char *property)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o property: the property.
%
*/
WandExport char *MagickGetImageProperty(MagickWand *wand,const char *property)
{
const char
*value;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return((char *) NULL);
}
value=GetImageProperty(wand->images,property,wand->exception);
if (value == (const char *) NULL)
return((char *) NULL);
return(ConstantString(value));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t I m a g e P r o p e r t i e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetImageProperties() returns all the property names that match the
% specified pattern associated with a wand. Use MagickGetImageProperty() to
% return the value of a particular property. Use MagickRelinquishMemory() to
% free the value when you are finished with it.
%
% The format of the MagickGetImageProperties method is:
%
% char *MagickGetImageProperties(MagickWand *wand,
% const char *pattern,size_t *number_properties)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_properties: the number properties associated with this wand.
%
*/
WandExport char **MagickGetImageProperties(MagickWand *wand,
const char *pattern,size_t *number_properties)
{
char
**properties;
const char
*property;
register ssize_t
i;
size_t
length;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return((char **) NULL);
}
(void) GetImageProperty(wand->images,"exif:*",wand->exception);
length=1024;
properties=(char **) AcquireQuantumMemory(length,sizeof(*properties));
if (properties == (char **) NULL)
return((char **) NULL);
ResetImagePropertyIterator(wand->images);
property=GetNextImageProperty(wand->images);
for (i=0; property != (const char *) NULL; )
{
if ((*property != '[') &&
(GlobExpression(property,pattern,MagickFalse) != MagickFalse))
{
if ((i+1) >= (ssize_t) length)
{
length<<=1;
properties=(char **) ResizeQuantumMemory(properties,length,
sizeof(*properties));
if (properties == (char **) NULL)
{
(void) ThrowMagickException(wand->exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",
wand->name);
return((char **) NULL);
}
}
properties[i]=ConstantString(property);
i++;
}
property=GetNextImageProperty(wand->images);
}
properties[i]=(char *) NULL;
*number_properties=(size_t) i;
return(properties);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t I n t e r l a c e S c h e m e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickGetInterlaceScheme() gets the wand interlace scheme.
%
% The format of the MagickGetInterlaceScheme method is:
%
% InterlaceType MagickGetInterlaceScheme(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport InterlaceType MagickGetInterlaceScheme(MagickWand *wand)
{
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickWandSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
return(wand->image_info->interlace);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k G e t I n t e r p o l a t e M e t h o d %
% %
% %
% %