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artifact.c
/*
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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 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/license/ %
% %
% 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. %
% %
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%
%
%
*/
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/*
Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/artifact.h"
#include "MagickCore/cache.h"
#include "MagickCore/color.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/image.h"
#include "MagickCore/layer.h"
#include "MagickCore/list.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/montage.h"
#include "MagickCore/option.h"
#include "MagickCore/profile.h"
#include "MagickCore/quantum.h"
#include "MagickCore/resource_.h"
#include "MagickCore/splay-tree.h"
#include "MagickCore/signature-private.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
#include "MagickCore/token.h"
#include "MagickCore/utility.h"
#include "MagickCore/xml-tree.h"
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/*
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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 all image artifacts to another image.
%
% This will not delete any existing artifacts that may be present!
%
% 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, to receive the cloned artifacts.
%
% o clone_image: the source image for artifacts to clone.
%
*/
typedef char
*(*CloneKeyFunc)(const char *),
*(*CloneValueFunc)(const char *);
static inline void *CloneArtifactKey(void *key)
{
return((void *) ((CloneKeyFunc) ConstantString)((const char *) key));
}
static inline void *CloneArtifactValue(void *value)
{
return((void *) ((CloneValueFunc) ConstantString)((const char *) value));
}
MagickExport MagickBooleanType CloneImageArtifacts(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);
}
if (clone_image->artifacts != (void *) NULL)
{
if (image->artifacts != (void *) NULL)
DestroyImageArtifacts(image);
image->artifacts=CloneSplayTree((SplayTreeInfo *) clone_image->artifacts,
CloneArtifactKey,CloneArtifactValue);
}
return(MagickTrue);
}
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/*
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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 an assignment string of the form
% "key=value" with per-image artifact. It is equivalent to
% SetImageArtifact().
%
% 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[MagickPathExtent],
value[MagickPathExtent];
char
*p;
assert(image != (Image *) NULL);
assert(artifact != (const char *) NULL);
(void) CopyMagickString(key,artifact,MagickPathExtent-1);
for (p=key; *p != '\0'; p++)
if (*p == '=')
break;
*value='\0';
if (*p == '=')
(void) CopyMagickString(value,p+1,MagickPathExtent);
*p='\0';
return(SetImageArtifact(image,key,value));
}
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/*
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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 (IsEventLogging() != 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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/*
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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() destroys all artifacts and associated memory
% attached to the given image.
%
% The format of the DestroyImageArtifacts 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 (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->artifacts != (void *) NULL)
image->artifacts=(void *) DestroySplayTree((SplayTreeInfo *)
image->artifacts);
}
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/*
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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.
% If the requested artifact is NULL return the first artifact, to
% prepare to iterate over all artifacts.
%
% The returned string is a constant string in the tree and should NOT be
% freed by the caller.
%
% 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 (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
p=(const char *) NULL;
if (image->artifacts != (void *) NULL)
{
if (artifact == (const char *) NULL)
return((const char *) GetRootValueFromSplayTree((SplayTreeInfo *)
image->artifacts));
p=(const char *) GetValueFromSplayTree((SplayTreeInfo *) image->artifacts,
artifact);
if (p != (const char *) NULL)
return(p);
}
if ((image->image_info != (ImageInfo *) NULL) &&
(image->image_info->options != (void *) NULL))
p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
image->image_info->options,artifact);
return(p);
}
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/*
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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 const char *GetNextImageArtifact(const Image *image)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->artifacts == (void *) NULL)
return((const char *) NULL);
return((const char *) GetNextKeyInSplayTree(
(SplayTreeInfo *) image->artifacts));
}
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/*
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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.
%
% In this case the ConstantString() value returned should be freed by the
% caller when finished.
%
% 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 (IsEventLogging() != 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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/*
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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.
%
% Alternatively you can use GetImageArtifact() with a NULL artifact field to
% reset the iterator and return the first 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 (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if (image->artifacts == (void *) NULL)
return;
ResetSplayTreeIterator((SplayTreeInfo *) image->artifacts);
}
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/*
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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 (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
/*
Create tree if needed - specify how key,values are to be freed.
*/
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 splay-tree.
*/
status=AddValueToSplayTree((SplayTreeInfo *) image->artifacts,
ConstantString(artifact),ConstantString(value));
return(status);
}