imagemagick/magick/artifact.c

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/*
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% AAA RRRR TTTTT IIIII FFFFF AAA CCCC TTTTT %
% A A R R T I F A A C T %
% AAAAA RRRRR T I FFF AAAAA C T %
% A A R R T I F A A C T %
% A A R R T IIIII F A A CCCCC T %
% %
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% MagickCore Artifact Methods %
% %
% Software Design %
% Cristy %
% March 2000 %
% %
% %
% 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.
*/
#include "magick/studio.h"
#include "magick/artifact.h"
#include "magick/cache.h"
#include "magick/color.h"
#include "magick/compare.h"
#include "magick/constitute.h"
#include "magick/draw.h"
#include "magick/effect.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/fx.h"
#include "magick/fx-private.h"
#include "magick/gem.h"
#include "magick/geometry.h"
#include "magick/image.h"
#include "magick/layer.h"
#include "magick/list.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/montage.h"
#include "magick/option.h"
#include "magick/profile.h"
#include "magick/quantum.h"
#include "magick/resource_.h"
#include "magick/splay-tree.h"
#include "magick/signature-private.h"
#include "magick/statistic.h"
#include "magick/string_.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/xml-tree.h"
/*
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% C l o n e I m a g e A r t i f a c t s %
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% CloneImageArtifacts() clones one or more image artifacts.
%
% The format of the CloneImageArtifacts method is:
%
% MagickBooleanType CloneImageArtifacts(Image *image,
% const Image *clone_image)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o clone_image: the clone image.
%
*/
MagickExport MagickBooleanType CloneImageArtifacts(Image *image,
const Image *clone_image)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(clone_image != (const Image *) NULL);
assert(clone_image->signature == MagickCoreSignature);
if (clone_image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
clone_image->filename);
if (clone_image->artifacts != (void *) NULL)
{
if (image->artifacts != (void *) NULL)
DestroyImageArtifacts(image);
image->artifacts=CloneSplayTree((SplayTreeInfo *) clone_image->artifacts,
(void *(*)(void *)) ConstantString,(void *(*)(void *)) ConstantString);
}
return(MagickTrue);
}
/*
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% D e f i n e I m a g e A r t i f a c t %
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% DefineImageArtifact() associates a key/value pair with an image artifact.
%
% The format of the DefineImageArtifact method is:
%
% MagickBooleanType DefineImageArtifact(Image *image,
% const char *artifact)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o artifact: the image artifact.
%
*/
MagickExport MagickBooleanType DefineImageArtifact(Image *image,
const char *artifact)
{
char
key[MaxTextExtent],
value[MaxTextExtent];
char
*p;
assert(image != (Image *) NULL);
assert(artifact != (const char *) NULL);
(void) CopyMagickString(key,artifact,MaxTextExtent-1);
for (p=key; *p != '\0'; p++)
if (*p == '=')
break;
*value='\0';
if (*p == '=')
(void) CopyMagickString(value,p+1,MaxTextExtent);
*p='\0';
return(SetImageArtifact(image,key,value));
}
/*
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% D e l e t e I m a g e A r t i f a c t %
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% DeleteImageArtifact() deletes an image artifact.
%
% The format of the DeleteImageArtifact method is:
%
% MagickBooleanType DeleteImageArtifact(Image *image,const char *artifact)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o artifact: the image artifact.
%
*/
MagickExport MagickBooleanType DeleteImageArtifact(Image *image,
const char *artifact)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->artifacts == (void *) NULL)
return(MagickFalse);
return(DeleteNodeFromSplayTree((SplayTreeInfo *) image->artifacts,artifact));
}
/*
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% D e s t r o y I m a g e A r t i f a c t s %
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% DestroyImageArtifacts() releases memory associated with image artifact
% values.
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% The format of the DestroyDefines method is:
%
% void DestroyImageArtifacts(Image *image)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
MagickExport void DestroyImageArtifacts(Image *image)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->artifacts != (void *) NULL)
image->artifacts=(void *) DestroySplayTree((SplayTreeInfo *)
image->artifacts);
}
/*
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% G e t I m a g e A r t i f a c t %
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% GetImageArtifact() gets a value associated with an image artifact.
%
% Note, the artifact is a constant. Do not attempt to free it.
%
% The format of the GetImageArtifact method is:
%
% const char *GetImageArtifact(const Image *image,const char *key)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o key: the key.
%
*/
MagickExport const char *GetImageArtifact(const Image *image,
const char *artifact)
{
const char
*p;
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
p=(const char *) NULL;
if (artifact == (const char *) NULL)
{
ResetSplayTreeIterator((SplayTreeInfo *) image->artifacts);
p=(const char *) GetNextValueInSplayTree((SplayTreeInfo *)
image->artifacts);
return(p);
}
if (image->artifacts != (void *) NULL)
{
p=(const char *) GetValueFromSplayTree((SplayTreeInfo *) image->artifacts,
artifact);
if (p != (const char *) NULL)
return(p);
}
return(p);
}
/*
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% G e t N e x t I m a g e A r t i f a c t %
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% GetNextImageArtifact() gets the next image artifact value.
%
% The format of the GetNextImageArtifact method is:
%
% char *GetNextImageArtifact(const Image *image)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
MagickExport char *GetNextImageArtifact(const Image *image)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->artifacts == (void *) NULL)
return((char *) NULL);
return((char *) GetNextKeyInSplayTree((SplayTreeInfo *) image->artifacts));
}
/*
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% R e m o v e I m a g e A r t i f a c t %
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% RemoveImageArtifact() removes an artifact from the image and returns its
% value.
%
% The format of the RemoveImageArtifact method is:
%
% char *RemoveImageArtifact(Image *image,const char *artifact)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o artifact: the image artifact.
%
*/
MagickExport char *RemoveImageArtifact(Image *image,const char *artifact)
{
char
*value;
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->artifacts == (void *) NULL)
return((char *) NULL);
value=(char *) RemoveNodeFromSplayTree((SplayTreeInfo *) image->artifacts,
artifact);
return(value);
}
/*
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% R e s e t I m a g e A r t i f a c t I t e r a t o r %
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% ResetImageArtifactIterator() resets the image artifact iterator. Use it
% in conjunction with GetNextImageArtifact() to iterate over all the values
% associated with an image artifact.
%
% The format of the ResetImageArtifactIterator method is:
%
% ResetImageArtifactIterator(Image *image)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
MagickExport void ResetImageArtifactIterator(const Image *image)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->artifacts == (void *) NULL)
return;
ResetSplayTreeIterator((SplayTreeInfo *) image->artifacts);
}
/*
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% S e t I m a g e A r t i f a c t %
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% SetImageArtifact() sets a key-value pair in the image artifact namespace.
% Artifacts differ from properties. Properties are public and are generally
% exported to an external image format if the format supports it. Artifacts
% are private and are utilized by the internal ImageMagick API to modify the
% behavior of certain algorithms.
%
% The format of the SetImageArtifact method is:
%
% MagickBooleanType SetImageArtifact(Image *image,const char *artifact,
% const char *value)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o artifact: the image artifact key.
%
% o value: the image artifact value.
%
*/
MagickExport MagickBooleanType SetImageArtifact(Image *image,
const char *artifact,const char *value)
{
MagickBooleanType
status;
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
/*
Create tree if needed.
*/
if (image->artifacts == (void *) NULL)
image->artifacts=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory,
RelinquishMagickMemory);
/*
Delete artifact if NULL -- empty string values are valid!
*/
if (value == (const char *) NULL)
return(DeleteImageArtifact(image,artifact));
/*
Add artifact to tree.
*/
status=AddValueToSplayTree((SplayTreeInfo *) image->artifacts,
ConstantString(artifact),ConstantString(value));
return(status);
}