476 lines
19 KiB
C
476 lines
19 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% AAA RRRR TTTTT IIIII FFFFF AAA CCCC TTTTT %
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% A A R R T I F A A C T %
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% AAAAA RRRRR T I FFF AAAAA C T %
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% A A R R T I F A A C T %
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% A A R R T IIIII F A A CCCCC T %
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% %
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% %
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% MagickCore Artifact Methods %
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% %
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% Software Design %
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% Cristy %
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% March 2000 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "MagickCore/studio.h"
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#include "MagickCore/artifact.h"
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#include "MagickCore/cache.h"
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#include "MagickCore/color.h"
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#include "MagickCore/compare.h"
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#include "MagickCore/constitute.h"
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#include "MagickCore/draw.h"
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#include "MagickCore/effect.h"
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#include "MagickCore/exception.h"
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#include "MagickCore/exception-private.h"
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#include "MagickCore/fx.h"
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#include "MagickCore/fx-private.h"
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#include "MagickCore/gem.h"
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#include "MagickCore/geometry.h"
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#include "MagickCore/image.h"
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#include "MagickCore/layer.h"
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#include "MagickCore/list.h"
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#include "MagickCore/memory_.h"
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#include "MagickCore/monitor.h"
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#include "MagickCore/montage.h"
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#include "MagickCore/option.h"
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#include "MagickCore/profile.h"
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#include "MagickCore/quantum.h"
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#include "MagickCore/resource_.h"
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#include "MagickCore/splay-tree.h"
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#include "MagickCore/signature-private.h"
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#include "MagickCore/statistic.h"
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#include "MagickCore/string_.h"
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#include "MagickCore/token.h"
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#include "MagickCore/utility.h"
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#include "MagickCore/xml-tree.h"
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% CloneImageArtifacts() clones all image artifacts to another image.
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%
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% This will not delete any existing artifacts that may be present!
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%
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% The format of the CloneImageArtifacts method is:
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%
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% MagickBooleanType CloneImageArtifacts(Image *image,
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% const Image *clone_image)
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%
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% A description of each parameter follows:
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%
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% o image: the image, to recieve the cloned artifacts.
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%
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% o clone_image: the source image for artifacts to clone.
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%
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*/
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MagickExport MagickBooleanType CloneImageArtifacts(Image *image,
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const Image *clone_image)
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{
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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assert(clone_image != (const Image *) NULL);
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assert(clone_image->signature == MagickCoreSignature);
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if (clone_image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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clone_image->filename);
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if (clone_image->artifacts != (void *) NULL)
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{
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if (image->artifacts != (void *) NULL)
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DestroyImageArtifacts(image);
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image->artifacts=CloneSplayTree((SplayTreeInfo *) clone_image->artifacts,
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(void *(*)(void *)) ConstantString,(void *(*)(void *)) ConstantString);
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}
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return(MagickTrue);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% DefineImageArtifact() associates an assignment string of the form
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% "key=value" with per-image artifact. It is equivelent to
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% SetImageArtifact().
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%
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% The format of the DefineImageArtifact method is:
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%
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% MagickBooleanType DefineImageArtifact(Image *image,
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% const char *artifact)
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%
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% A description of each parameter follows:
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%
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% o image: the image.
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%
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% o artifact: the image artifact.
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%
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*/
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MagickExport MagickBooleanType DefineImageArtifact(Image *image,
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const char *artifact)
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{
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char
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key[MagickPathExtent],
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value[MagickPathExtent];
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char
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*p;
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assert(image != (Image *) NULL);
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assert(artifact != (const char *) NULL);
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(void) CopyMagickString(key,artifact,MagickPathExtent-1);
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for (p=key; *p != '\0'; p++)
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if (*p == '=')
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break;
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*value='\0';
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if (*p == '=')
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(void) CopyMagickString(value,p+1,MagickPathExtent);
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*p='\0';
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return(SetImageArtifact(image,key,value));
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% DeleteImageArtifact() deletes an image artifact.
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%
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% The format of the DeleteImageArtifact method is:
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%
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% MagickBooleanType DeleteImageArtifact(Image *image,const char *artifact)
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%
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% A description of each parameter follows:
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%
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% o image: the image.
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%
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% o artifact: the image artifact.
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%
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*/
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MagickExport MagickBooleanType DeleteImageArtifact(Image *image,
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const char *artifact)
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{
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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if (image->artifacts == (void *) NULL)
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return(MagickFalse);
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return(DeleteNodeFromSplayTree((SplayTreeInfo *) image->artifacts,artifact));
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% DestroyImageArtifacts() destroys all artifacts and associated memory
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% attached to the given image.
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%
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% The format of the DestroyImageArtifacts method is:
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%
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% void DestroyImageArtifacts(Image *image)
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%
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% A description of each parameter follows:
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%
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% o image: the image.
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%
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*/
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MagickExport void DestroyImageArtifacts(Image *image)
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{
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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if (image->artifacts != (void *) NULL)
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image->artifacts=(void *) DestroySplayTree((SplayTreeInfo *)
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image->artifacts);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% GetImageArtifact() gets a value associated with an image artifact.
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% If the requested artifact is NULL return the first artifact, to
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% prepare to iterate over all artifacts.
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%
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% The returned string is a constant string in the tree and should NOT be
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% freed by the caller.
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%
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% The format of the GetImageArtifact method is:
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%
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% const char *GetImageArtifact(const Image *image,const char *key)
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%
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% A description of each parameter follows:
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%
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% o image: the image.
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%
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% o key: the key.
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%
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*/
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MagickExport const char *GetImageArtifact(const Image *image,
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const char *artifact)
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{
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const char
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*p;
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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p=(const char *) NULL;
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if (image->artifacts != (void *) NULL)
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{
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if (artifact == (const char *) NULL)
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return((const char *) GetRootValueFromSplayTree((SplayTreeInfo *)
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image->artifacts));
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p=(const char *) GetValueFromSplayTree((SplayTreeInfo *) image->artifacts,
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artifact);
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if (p != (const char *) NULL)
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return(p);
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}
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if ((image->image_info != (ImageInfo *) NULL) &&
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(image->image_info->options != (void *) NULL))
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p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
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image->image_info->options,artifact);
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return(p);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% GetNextImageArtifact() gets the next image artifact value.
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%
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% The format of the GetNextImageArtifact method is:
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%
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% char *GetNextImageArtifact(const Image *image)
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%
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% A description of each parameter follows:
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%
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% o image: the image.
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%
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*/
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MagickExport const char *GetNextImageArtifact(const Image *image)
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{
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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if (image->artifacts == (void *) NULL)
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return((const char *) NULL);
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return((const char *) GetNextKeyInSplayTree(
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(SplayTreeInfo *) image->artifacts));
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% RemoveImageArtifact() removes an artifact from the image and returns its
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% value.
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%
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% In this case the ConstantString() value returned should be freed by the
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% caller when finished.
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%
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% The format of the RemoveImageArtifact method is:
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%
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% char *RemoveImageArtifact(Image *image,const char *artifact)
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%
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% A description of each parameter follows:
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%
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% o image: the image.
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%
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% o artifact: the image artifact.
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%
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*/
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MagickExport char *RemoveImageArtifact(Image *image,const char *artifact)
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{
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char
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*value;
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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if (image->artifacts == (void *) NULL)
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return((char *) NULL);
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value=(char *) RemoveNodeFromSplayTree((SplayTreeInfo *) image->artifacts,
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artifact);
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return(value);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ResetImageArtifactIterator() resets the image artifact iterator. Use it
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% in conjunction with GetNextImageArtifact() to iterate over all the values
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% associated with an image artifact.
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%
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% Alternatively you can use GetImageArtifact() with a NULL artifact field to
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% reset the iterator and return the first artifact.
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%
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% The format of the ResetImageArtifactIterator method is:
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%
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% ResetImageArtifactIterator(Image *image)
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%
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% A description of each parameter follows:
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%
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% o image: the image.
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%
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*/
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MagickExport void ResetImageArtifactIterator(const Image *image)
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{
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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if (image->artifacts == (void *) NULL)
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return;
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ResetSplayTreeIterator((SplayTreeInfo *) image->artifacts);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% SetImageArtifact() sets a key-value pair in the image artifact namespace.
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% Artifacts differ from properties. Properties are public and are generally
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% exported to an external image format if the format supports it. Artifacts
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% are private and are utilized by the internal ImageMagick API to modify the
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% behavior of certain algorithms.
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%
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% The format of the SetImageArtifact method is:
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%
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% MagickBooleanType SetImageArtifact(Image *image,const char *artifact,
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% const char *value)
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%
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% A description of each parameter follows:
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%
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% o image: the image.
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%
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% o artifact: the image artifact key.
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%
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% o value: the image artifact value.
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%
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*/
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MagickExport MagickBooleanType SetImageArtifact(Image *image,
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const char *artifact,const char *value)
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{
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MagickBooleanType
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status;
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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/*
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Create tree if needed - specify how key,values are to be freed.
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*/
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if (image->artifacts == (void *) NULL)
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image->artifacts=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory,
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RelinquishMagickMemory);
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/*
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Delete artifact if NULL -- empty string values are valid!,
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*/
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if (value == (const char *) NULL)
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return(DeleteImageArtifact(image,artifact));
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/*
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Add artifact to splay-tree.
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*/
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status=AddValueToSplayTree((SplayTreeInfo *) image->artifacts,
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ConstantString(artifact),ConstantString(value));
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return(status);
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}
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