1384 lines
46 KiB
C
1384 lines
46 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% AAA TTTTT TTTTT RRRR IIIII BBBB U U TTTTT EEEEE %
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% A A T T R R I B B U U T E %
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% AAAAA T T RRRR I BBBB U U T EEE %
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% A A T T R R I B B U U T E %
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% A A T T R R IIIII BBBB UUU T EEEEE %
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% %
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% %
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% MagickCore Get / Set Image Attributes %
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% %
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% Software Design %
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% Cristy %
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% October 2002 %
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% %
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% %
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% Copyright 1999-2016 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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% http://www.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/attribute.h"
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#include "MagickCore/blob.h"
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#include "MagickCore/blob-private.h"
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#include "MagickCore/cache.h"
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#include "MagickCore/cache-private.h"
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#include "MagickCore/cache-view.h"
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#include "MagickCore/channel.h"
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#include "MagickCore/client.h"
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#include "MagickCore/color.h"
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#include "MagickCore/color-private.h"
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#include "MagickCore/colormap.h"
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#include "MagickCore/colormap-private.h"
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#include "MagickCore/colorspace.h"
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#include "MagickCore/colorspace-private.h"
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#include "MagickCore/composite.h"
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#include "MagickCore/composite-private.h"
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#include "MagickCore/constitute.h"
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#include "MagickCore/draw.h"
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#include "MagickCore/draw-private.h"
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#include "MagickCore/effect.h"
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#include "MagickCore/enhance.h"
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#include "MagickCore/exception.h"
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#include "MagickCore/exception-private.h"
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#include "MagickCore/geometry.h"
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#include "MagickCore/histogram.h"
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#include "MagickCore/identify.h"
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#include "MagickCore/image.h"
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#include "MagickCore/image-private.h"
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#include "MagickCore/list.h"
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#include "MagickCore/log.h"
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#include "MagickCore/memory_.h"
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#include "MagickCore/magick.h"
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#include "MagickCore/monitor.h"
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#include "MagickCore/monitor-private.h"
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#include "MagickCore/option.h"
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#include "MagickCore/paint.h"
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#include "MagickCore/pixel.h"
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#include "MagickCore/pixel-accessor.h"
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#include "MagickCore/property.h"
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#include "MagickCore/quantize.h"
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#include "MagickCore/quantum-private.h"
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#include "MagickCore/random_.h"
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#include "MagickCore/resource_.h"
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#include "MagickCore/semaphore.h"
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#include "MagickCore/segment.h"
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#include "MagickCore/splay-tree.h"
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#include "MagickCore/string_.h"
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#include "MagickCore/thread-private.h"
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#include "MagickCore/threshold.h"
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#include "MagickCore/transform.h"
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#include "MagickCore/utility.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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+ G e t I m a g e B o u n d i n g B o x %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% GetImageBoundingBox() returns the bounding box of an image canvas.
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%
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% The format of the GetImageBoundingBox method is:
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%
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% RectangleInfo GetImageBoundingBox(const Image *image,
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% ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o bounds: Method GetImageBoundingBox returns the bounding box of an
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% image canvas.
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%
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% o image: the image.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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MagickExport RectangleInfo GetImageBoundingBox(const Image *image,
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ExceptionInfo *exception)
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{
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CacheView
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*image_view;
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MagickBooleanType
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status;
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PixelInfo
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target[3],
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zero;
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RectangleInfo
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bounds;
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register const Quantum
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*r;
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ssize_t
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y;
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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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bounds.width=0;
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bounds.height=0;
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bounds.x=(ssize_t) image->columns;
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bounds.y=(ssize_t) image->rows;
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GetPixelInfo(image,&target[0]);
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image_view=AcquireVirtualCacheView(image,exception);
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r=GetCacheViewVirtualPixels(image_view,0,0,1,1,exception);
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if (r == (const Quantum *) NULL)
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{
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image_view=DestroyCacheView(image_view);
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return(bounds);
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}
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GetPixelInfoPixel(image,r,&target[0]);
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GetPixelInfo(image,&target[1]);
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r=GetCacheViewVirtualPixels(image_view,(ssize_t) image->columns-1,0,1,1,
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exception);
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if (r != (const Quantum *) NULL)
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GetPixelInfoPixel(image,r,&target[1]);
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GetPixelInfo(image,&target[2]);
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r=GetCacheViewVirtualPixels(image_view,0,(ssize_t) image->rows-1,1,1,
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exception);
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if (r != (const Quantum *) NULL)
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GetPixelInfoPixel(image,r,&target[2]);
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status=MagickTrue;
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GetPixelInfo(image,&zero);
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#if defined(MAGICKCORE_OPENMP_SUPPORT)
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#pragma omp parallel for schedule(static,4) shared(status) \
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magick_threads(image,image,image->rows,1)
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#endif
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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PixelInfo
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pixel;
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RectangleInfo
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bounding_box;
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register const Quantum
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*magick_restrict p;
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register ssize_t
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x;
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if (status == MagickFalse)
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continue;
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#if defined(MAGICKCORE_OPENMP_SUPPORT)
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# pragma omp critical (MagickCore_GetImageBoundingBox)
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#endif
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bounding_box=bounds;
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p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
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if (p == (const Quantum *) NULL)
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{
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status=MagickFalse;
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continue;
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}
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pixel=zero;
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for (x=0; x < (ssize_t) image->columns; x++)
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{
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GetPixelInfoPixel(image,p,&pixel);
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if ((x < bounding_box.x) &&
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(IsFuzzyEquivalencePixelInfo(&pixel,&target[0]) == MagickFalse))
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bounding_box.x=x;
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if ((x > (ssize_t) bounding_box.width) &&
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(IsFuzzyEquivalencePixelInfo(&pixel,&target[1]) == MagickFalse))
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bounding_box.width=(size_t) x;
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if ((y < bounding_box.y) &&
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(IsFuzzyEquivalencePixelInfo(&pixel,&target[0]) == MagickFalse))
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bounding_box.y=y;
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if ((y > (ssize_t) bounding_box.height) &&
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(IsFuzzyEquivalencePixelInfo(&pixel,&target[2]) == MagickFalse))
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bounding_box.height=(size_t) y;
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p+=GetPixelChannels(image);
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}
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#if defined(MAGICKCORE_OPENMP_SUPPORT)
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# pragma omp critical (MagickCore_GetImageBoundingBox)
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#endif
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{
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if (bounding_box.x < bounds.x)
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bounds.x=bounding_box.x;
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if (bounding_box.y < bounds.y)
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bounds.y=bounding_box.y;
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if (bounding_box.width > bounds.width)
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bounds.width=bounding_box.width;
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if (bounding_box.height > bounds.height)
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bounds.height=bounding_box.height;
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}
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}
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image_view=DestroyCacheView(image_view);
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if ((bounds.width == 0) && (bounds.height == 0))
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(void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
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"GeometryDoesNotContainImage","`%s'",image->filename);
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else
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{
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bounds.width-=(bounds.x-1);
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bounds.height-=(bounds.y-1);
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}
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return(bounds);
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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 D e p t 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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% GetImageDepth() returns the depth of a particular image channel.
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%
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% The format of the GetImageDepth method is:
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%
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% size_t GetImageDepth(const Image *image,ExceptionInfo *exception)
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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 exception: return any errors or warnings in this structure.
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%
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*/
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MagickExport size_t GetImageDepth(const Image *image,ExceptionInfo *exception)
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{
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CacheView
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*image_view;
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MagickBooleanType
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status;
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register ssize_t
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i;
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size_t
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*current_depth,
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depth,
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number_threads;
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ssize_t
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y;
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/*
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Compute image depth.
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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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number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
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current_depth=(size_t *) AcquireQuantumMemory(number_threads,
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sizeof(*current_depth));
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if (current_depth == (size_t *) NULL)
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ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
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status=MagickTrue;
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for (i=0; i < (ssize_t) number_threads; i++)
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current_depth[i]=1;
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||
if ((image->storage_class == PseudoClass) &&
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(image->alpha_trait == UndefinedPixelTrait))
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||
{
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#if defined(MAGICKCORE_OPENMP_SUPPORT)
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#pragma omp parallel for schedule(static,4) shared(status) \
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if ((image->colors) > 256) \
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num_threads(GetMagickResourceLimit(ThreadResource))
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#endif
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for (i=0; i < (ssize_t) image->colors; i++)
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{
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||
const int
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id = GetOpenMPThreadId();
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||
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||
while (current_depth[id] < MAGICKCORE_QUANTUM_DEPTH)
|
||
{
|
||
MagickBooleanType
|
||
atDepth;
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||
|
||
QuantumAny
|
||
range;
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||
|
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atDepth=MagickTrue;
|
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range=GetQuantumRange(current_depth[id]);
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if ((atDepth != MagickFalse) &&
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(GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
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if (IsPixelAtDepth(image->colormap[i].red,range) == MagickFalse)
|
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atDepth=MagickFalse;
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if ((atDepth != MagickFalse) &&
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(GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
|
||
if (IsPixelAtDepth(image->colormap[i].green,range) == MagickFalse)
|
||
atDepth=MagickFalse;
|
||
if ((atDepth != MagickFalse) &&
|
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(GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
|
||
if (IsPixelAtDepth(image->colormap[i].blue,range) == MagickFalse)
|
||
atDepth=MagickFalse;
|
||
if ((atDepth != MagickFalse))
|
||
break;
|
||
current_depth[id]++;
|
||
}
|
||
}
|
||
depth=current_depth[0];
|
||
for (i=1; i < (ssize_t) number_threads; i++)
|
||
if (depth < current_depth[i])
|
||
depth=current_depth[i];
|
||
current_depth=(size_t *) RelinquishMagickMemory(current_depth);
|
||
return(depth);
|
||
}
|
||
image_view=AcquireVirtualCacheView(image,exception);
|
||
#if !defined(MAGICKCORE_HDRI_SUPPORT)
|
||
if (QuantumRange <= MaxMap)
|
||
{
|
||
size_t
|
||
*depth_map;
|
||
|
||
/*
|
||
Scale pixels to desired (optimized with depth map).
|
||
*/
|
||
depth_map=(size_t *) AcquireQuantumMemory(MaxMap+1,sizeof(*depth_map));
|
||
if (depth_map == (size_t *) NULL)
|
||
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
|
||
for (i=0; i <= (ssize_t) MaxMap; i++)
|
||
{
|
||
unsigned int
|
||
depth;
|
||
|
||
for (depth=1; depth < MAGICKCORE_QUANTUM_DEPTH; depth++)
|
||
{
|
||
Quantum
|
||
pixel;
|
||
|
||
QuantumAny
|
||
range;
|
||
|
||
range=GetQuantumRange(depth);
|
||
pixel=(Quantum) i;
|
||
if (pixel == ScaleAnyToQuantum(ScaleQuantumToAny(pixel,range),range))
|
||
break;
|
||
}
|
||
depth_map[i]=depth;
|
||
}
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static,4) shared(status) \
|
||
magick_threads(image,image,image->rows,1)
|
||
#endif
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
const int
|
||
id = GetOpenMPThreadId();
|
||
|
||
register const Quantum
|
||
*magick_restrict p;
|
||
|
||
register ssize_t
|
||
x;
|
||
|
||
if (status == MagickFalse)
|
||
continue;
|
||
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
|
||
if (p == (const Quantum *) NULL)
|
||
continue;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (GetPixelReadMask(image,p) == 0)
|
||
{
|
||
p+=GetPixelChannels(image);
|
||
continue;
|
||
}
|
||
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
|
||
{
|
||
PixelChannel channel=GetPixelChannelChannel(image,i);
|
||
PixelTrait traits=GetPixelChannelTraits(image,channel);
|
||
if ((traits == UndefinedPixelTrait) ||
|
||
(channel == IndexPixelChannel) ||
|
||
(channel == ReadMaskPixelChannel) ||
|
||
(channel == MetaPixelChannel))
|
||
continue;
|
||
if (depth_map[ScaleQuantumToMap(p[i])] > current_depth[id])
|
||
current_depth[id]=depth_map[ScaleQuantumToMap(p[i])];
|
||
}
|
||
p+=GetPixelChannels(image);
|
||
}
|
||
if (current_depth[id] == MAGICKCORE_QUANTUM_DEPTH)
|
||
status=MagickFalse;
|
||
}
|
||
image_view=DestroyCacheView(image_view);
|
||
depth=current_depth[0];
|
||
for (i=1; i < (ssize_t) number_threads; i++)
|
||
if (depth < current_depth[i])
|
||
depth=current_depth[i];
|
||
depth_map=(size_t *) RelinquishMagickMemory(depth_map);
|
||
current_depth=(size_t *) RelinquishMagickMemory(current_depth);
|
||
return(depth);
|
||
}
|
||
#endif
|
||
/*
|
||
Compute pixel depth.
|
||
*/
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static,4) shared(status) \
|
||
magick_threads(image,image,image->rows,1)
|
||
#endif
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
const int
|
||
id = GetOpenMPThreadId();
|
||
|
||
register const Quantum
|
||
*magick_restrict p;
|
||
|
||
register ssize_t
|
||
x;
|
||
|
||
if (status == MagickFalse)
|
||
continue;
|
||
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
|
||
if (p == (const Quantum *) NULL)
|
||
continue;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (GetPixelReadMask(image,p) == 0)
|
||
{
|
||
p+=GetPixelChannels(image);
|
||
continue;
|
||
}
|
||
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
|
||
{
|
||
PixelChannel
|
||
channel;
|
||
|
||
PixelTrait
|
||
traits;
|
||
|
||
channel=GetPixelChannelChannel(image,i);
|
||
traits=GetPixelChannelTraits(image,channel);
|
||
if ((traits == UndefinedPixelTrait) || (channel == IndexPixelChannel) ||
|
||
(channel == ReadMaskPixelChannel))
|
||
continue;
|
||
while (current_depth[id] < MAGICKCORE_QUANTUM_DEPTH)
|
||
{
|
||
QuantumAny
|
||
range;
|
||
|
||
range=GetQuantumRange(current_depth[id]);
|
||
if (p[i] == ScaleAnyToQuantum(ScaleQuantumToAny(p[i],range),range))
|
||
break;
|
||
current_depth[id]++;
|
||
}
|
||
}
|
||
p+=GetPixelChannels(image);
|
||
}
|
||
if (current_depth[id] == MAGICKCORE_QUANTUM_DEPTH)
|
||
status=MagickFalse;
|
||
}
|
||
image_view=DestroyCacheView(image_view);
|
||
depth=current_depth[0];
|
||
for (i=1; i < (ssize_t) number_threads; i++)
|
||
if (depth < current_depth[i])
|
||
depth=current_depth[i];
|
||
current_depth=(size_t *) RelinquishMagickMemory(current_depth);
|
||
return(depth);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t I m a g e Q u a n t u m D e p t h %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetImageQuantumDepth() returns the depth of the image rounded to a legal
|
||
% quantum depth: 8, 16, or 32.
|
||
%
|
||
% The format of the GetImageQuantumDepth method is:
|
||
%
|
||
% size_t GetImageQuantumDepth(const Image *image,
|
||
% const MagickBooleanType constrain)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o constrain: A value other than MagickFalse, constrains the depth to
|
||
% a maximum of MAGICKCORE_QUANTUM_DEPTH.
|
||
%
|
||
*/
|
||
MagickExport size_t GetImageQuantumDepth(const Image *image,
|
||
const MagickBooleanType constrain)
|
||
{
|
||
size_t
|
||
depth;
|
||
|
||
depth=image->depth;
|
||
if (depth <= 8)
|
||
depth=8;
|
||
else
|
||
if (depth <= 16)
|
||
depth=16;
|
||
else
|
||
if (depth <= 32)
|
||
depth=32;
|
||
else
|
||
if (depth <= 64)
|
||
depth=64;
|
||
if (constrain != MagickFalse)
|
||
depth=(size_t) MagickMin((double) depth,(double) MAGICKCORE_QUANTUM_DEPTH);
|
||
return(depth);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t I m a g e T y p e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetImageType() returns the type of image:
|
||
%
|
||
% Bilevel Grayscale GrayscaleMatte
|
||
% Palette PaletteMatte TrueColor
|
||
% TrueColorMatte ColorSeparation ColorSeparationMatte
|
||
%
|
||
% The format of the GetImageType method is:
|
||
%
|
||
% ImageType GetImageType(const Image *image)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
*/
|
||
MagickExport ImageType GetImageType(const Image *image)
|
||
{
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->colorspace == CMYKColorspace)
|
||
{
|
||
if (image->alpha_trait == UndefinedPixelTrait)
|
||
return(ColorSeparationType);
|
||
return(ColorSeparationAlphaType);
|
||
}
|
||
if (IsImageMonochrome(image) != MagickFalse)
|
||
return(BilevelType);
|
||
if (IsImageGray(image) != MagickFalse)
|
||
{
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
return(GrayscaleAlphaType);
|
||
return(GrayscaleType);
|
||
}
|
||
if (IsPaletteImage(image) != MagickFalse)
|
||
{
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
return(PaletteAlphaType);
|
||
return(PaletteType);
|
||
}
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
return(TrueColorAlphaType);
|
||
return(TrueColorType);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I d e n t i f y I m a g e G r a y %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IdentifyImageGray() returns grayscale if all the pixels in the image have
|
||
% the same red, green, and blue intensities, and bi-level is the intensity is
|
||
% either 0 or QuantumRange. Otherwise undefined is returned.
|
||
%
|
||
% The format of the IdentifyImageGray method is:
|
||
%
|
||
% ImageType IdentifyImageGray(const Image *image,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport ImageType IdentifyImageGray(const Image *image,
|
||
ExceptionInfo *exception)
|
||
{
|
||
CacheView
|
||
*image_view;
|
||
|
||
ImageType
|
||
type;
|
||
|
||
register const Quantum
|
||
*p;
|
||
|
||
register ssize_t
|
||
x;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
if ((image->type == BilevelType) || (image->type == GrayscaleType) ||
|
||
(image->type == GrayscaleAlphaType))
|
||
return(image->type);
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
return(UndefinedType);
|
||
type=BilevelType;
|
||
image_view=AcquireVirtualCacheView(image,exception);
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
|
||
if (p == (const Quantum *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (IsPixelGray(image,p) == MagickFalse)
|
||
{
|
||
type=UndefinedType;
|
||
break;
|
||
}
|
||
if ((type == BilevelType) &&
|
||
(IsPixelMonochrome(image,p) == MagickFalse))
|
||
type=GrayscaleType;
|
||
p+=GetPixelChannels(image);
|
||
}
|
||
if (type == UndefinedType)
|
||
break;
|
||
}
|
||
image_view=DestroyCacheView(image_view);
|
||
if ((type == GrayscaleType) && (image->alpha_trait != UndefinedPixelTrait))
|
||
type=GrayscaleAlphaType;
|
||
return(type);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I d e n t i f y I m a g e M o n o c h r o m e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IdentifyImageMonochrome() returns MagickTrue if all the pixels in the image
|
||
% have the same red, green, and blue intensities and the intensity is either
|
||
% 0 or QuantumRange.
|
||
%
|
||
% The format of the IdentifyImageMonochrome method is:
|
||
%
|
||
% MagickBooleanType IdentifyImageMonochrome(const Image *image,
|
||
% ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType IdentifyImageMonochrome(const Image *image,
|
||
ExceptionInfo *exception)
|
||
{
|
||
CacheView
|
||
*image_view;
|
||
|
||
ImageType
|
||
type;
|
||
|
||
register ssize_t
|
||
x;
|
||
|
||
register const Quantum
|
||
*p;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
if (image->type == BilevelType)
|
||
return(MagickTrue);
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
return(MagickFalse);
|
||
type=BilevelType;
|
||
image_view=AcquireVirtualCacheView(image,exception);
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
|
||
if (p == (const Quantum *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (IsPixelMonochrome(image,p) == MagickFalse)
|
||
{
|
||
type=UndefinedType;
|
||
break;
|
||
}
|
||
p+=GetPixelChannels(image);
|
||
}
|
||
if (type == UndefinedType)
|
||
break;
|
||
}
|
||
image_view=DestroyCacheView(image_view);
|
||
if (type == BilevelType)
|
||
return(MagickTrue);
|
||
return(MagickFalse);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I d e n t i f y I m a g e T y p e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IdentifyImageType() returns the potential type of image:
|
||
%
|
||
% Bilevel Grayscale GrayscaleMatte
|
||
% Palette PaletteMatte TrueColor
|
||
% TrueColorMatte ColorSeparation ColorSeparationMatte
|
||
%
|
||
% To ensure the image type matches its potential, use SetImageType():
|
||
%
|
||
% (void) SetImageType(image,IdentifyImageType(image,exception),exception);
|
||
%
|
||
% The format of the IdentifyImageType method is:
|
||
%
|
||
% ImageType IdentifyImageType(const Image *image,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport ImageType IdentifyImageType(const Image *image,
|
||
ExceptionInfo *exception)
|
||
{
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
if (image->colorspace == CMYKColorspace)
|
||
{
|
||
if (image->alpha_trait == UndefinedPixelTrait)
|
||
return(ColorSeparationType);
|
||
return(ColorSeparationAlphaType);
|
||
}
|
||
if (IdentifyImageMonochrome(image,exception) != MagickFalse)
|
||
return(BilevelType);
|
||
if (IdentifyImageGray(image,exception) != UndefinedType)
|
||
{
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
return(GrayscaleAlphaType);
|
||
return(GrayscaleType);
|
||
}
|
||
if (IdentifyPaletteImage(image,exception) != MagickFalse)
|
||
{
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
return(PaletteAlphaType);
|
||
return(PaletteType);
|
||
}
|
||
if (image->alpha_trait != UndefinedPixelTrait)
|
||
return(TrueColorAlphaType);
|
||
return(TrueColorType);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I s I m a g e G r a y %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsImageGray() returns MagickTrue if the type of the image is grayscale or
|
||
% bi-level.
|
||
%
|
||
% The format of the IsImageGray method is:
|
||
%
|
||
% MagickBooleanType IsImageGray(const Image *image)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType IsImageGray(const Image *image)
|
||
{
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if ((image->type == BilevelType) || (image->type == GrayscaleType) ||
|
||
(image->type == GrayscaleAlphaType))
|
||
return(MagickTrue);
|
||
return(MagickFalse);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I s I m a g e M o n o c h r o m e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsImageMonochrome() returns MagickTrue if type of the image is bi-level.
|
||
%
|
||
% The format of the IsImageMonochrome method is:
|
||
%
|
||
% MagickBooleanType IsImageMonochrome(const Image *image)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType IsImageMonochrome(const Image *image)
|
||
{
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->type == BilevelType)
|
||
return(MagickTrue);
|
||
return(MagickFalse);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I s I m a g e O p a q u e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsImageOpaque() returns MagickTrue if none of the pixels in the image have
|
||
% an alpha value other than OpaqueAlpha (QuantumRange).
|
||
%
|
||
% Will return true immediatally is alpha channel is not available.
|
||
%
|
||
% The format of the IsImageOpaque method is:
|
||
%
|
||
% MagickBooleanType IsImageOpaque(const Image *image,
|
||
% ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType IsImageOpaque(const Image *image,
|
||
ExceptionInfo *exception)
|
||
{
|
||
CacheView
|
||
*image_view;
|
||
|
||
register const Quantum
|
||
*p;
|
||
|
||
register ssize_t
|
||
x;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
/*
|
||
Determine if image is opaque.
|
||
*/
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
if (image->alpha_trait == UndefinedPixelTrait)
|
||
return(MagickTrue);
|
||
image_view=AcquireVirtualCacheView(image,exception);
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
|
||
if (p == (const Quantum *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (GetPixelAlpha(image,p) != OpaqueAlpha)
|
||
break;
|
||
p+=GetPixelChannels(image);
|
||
}
|
||
if (x < (ssize_t) image->columns)
|
||
break;
|
||
}
|
||
image_view=DestroyCacheView(image_view);
|
||
return(y < (ssize_t) image->rows ? MagickFalse : MagickTrue);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% S e t I m a g e D e p t h %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% SetImageDepth() sets the depth of the image.
|
||
%
|
||
% The format of the SetImageDepth method is:
|
||
%
|
||
% MagickBooleanType SetImageDepth(Image *image,const size_t depth,
|
||
% ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o channel: the channel.
|
||
%
|
||
% o depth: the image depth.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType SetImageDepth(Image *image,
|
||
const size_t depth,ExceptionInfo *exception)
|
||
{
|
||
CacheView
|
||
*image_view;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
QuantumAny
|
||
range;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
assert(image != (Image *) NULL);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (depth >= MAGICKCORE_QUANTUM_DEPTH)
|
||
{
|
||
image->depth=depth;
|
||
return(MagickTrue);
|
||
}
|
||
range=GetQuantumRange(depth);
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
register ssize_t
|
||
i;
|
||
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static,4) shared(status) \
|
||
magick_threads(image,image,1,1)
|
||
#endif
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
{
|
||
if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
|
||
image->colormap[i].red=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
|
||
ClampPixel(image->colormap[i].red),range),range);
|
||
if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
|
||
image->colormap[i].green=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
|
||
ClampPixel(image->colormap[i].green),range),range);
|
||
if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
|
||
image->colormap[i].blue=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
|
||
ClampPixel(image->colormap[i].blue),range),range);
|
||
if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
|
||
image->colormap[i].alpha=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
|
||
ClampPixel(image->colormap[i].alpha),range),range);
|
||
}
|
||
}
|
||
status=MagickTrue;
|
||
image_view=AcquireAuthenticCacheView(image,exception);
|
||
#if !defined(MAGICKCORE_HDRI_SUPPORT)
|
||
if (QuantumRange <= MaxMap)
|
||
{
|
||
Quantum
|
||
*depth_map;
|
||
|
||
register ssize_t
|
||
i;
|
||
|
||
/*
|
||
Scale pixels to desired (optimized with depth map).
|
||
*/
|
||
depth_map=(Quantum *) AcquireQuantumMemory(MaxMap+1,sizeof(*depth_map));
|
||
if (depth_map == (Quantum *) NULL)
|
||
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
|
||
for (i=0; i <= (ssize_t) MaxMap; i++)
|
||
depth_map[i]=ScaleAnyToQuantum(ScaleQuantumToAny((Quantum) i,range),
|
||
range);
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static,4) shared(status) \
|
||
magick_threads(image,image,image->rows,1)
|
||
#endif
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
register ssize_t
|
||
x;
|
||
|
||
register Quantum
|
||
*magick_restrict q;
|
||
|
||
if (status == MagickFalse)
|
||
continue;
|
||
q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
|
||
exception);
|
||
if (q == (Quantum *) NULL)
|
||
{
|
||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
register ssize_t
|
||
i;
|
||
|
||
if (GetPixelReadMask(image,q) == 0)
|
||
{
|
||
q+=GetPixelChannels(image);
|
||
continue;
|
||
}
|
||
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
|
||
{
|
||
PixelChannel
|
||
channel;
|
||
|
||
PixelTrait
|
||
traits;
|
||
|
||
channel=GetPixelChannelChannel(image,i);
|
||
traits=GetPixelChannelTraits(image,channel);
|
||
if ((traits == UndefinedPixelTrait) ||
|
||
(channel == IndexPixelChannel) ||
|
||
(channel == ReadMaskPixelChannel))
|
||
continue;
|
||
q[i]=depth_map[ScaleQuantumToMap(q[i])];
|
||
}
|
||
q+=GetPixelChannels(image);
|
||
}
|
||
if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
|
||
{
|
||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
}
|
||
image_view=DestroyCacheView(image_view);
|
||
depth_map=(Quantum *) RelinquishMagickMemory(depth_map);
|
||
if (status != MagickFalse)
|
||
image->depth=depth;
|
||
return(status);
|
||
}
|
||
#endif
|
||
/*
|
||
Scale pixels to desired depth.
|
||
*/
|
||
#if defined(MAGICKCORE_OPENMP_SUPPORT)
|
||
#pragma omp parallel for schedule(static,4) shared(status) \
|
||
magick_threads(image,image,image->rows,1)
|
||
#endif
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
register ssize_t
|
||
x;
|
||
|
||
register Quantum
|
||
*magick_restrict q;
|
||
|
||
if (status == MagickFalse)
|
||
continue;
|
||
q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
|
||
if (q == (Quantum *) NULL)
|
||
{
|
||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
register ssize_t
|
||
i;
|
||
|
||
if (GetPixelReadMask(image,q) == 0)
|
||
{
|
||
q+=GetPixelChannels(image);
|
||
continue;
|
||
}
|
||
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
|
||
{
|
||
PixelChannel
|
||
channel;
|
||
|
||
PixelTrait
|
||
traits;
|
||
|
||
channel=GetPixelChannelChannel(image,i);
|
||
traits=GetPixelChannelTraits(image,channel);
|
||
if ((traits == UndefinedPixelTrait) || (channel == IndexPixelChannel) ||
|
||
(channel == ReadMaskPixelChannel))
|
||
continue;
|
||
q[i]=ScaleAnyToQuantum(ScaleQuantumToAny(ClampPixel(q[i]),range),range);
|
||
}
|
||
q+=GetPixelChannels(image);
|
||
}
|
||
if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
|
||
{
|
||
status=MagickFalse;
|
||
continue;
|
||
}
|
||
}
|
||
image_view=DestroyCacheView(image_view);
|
||
if (status != MagickFalse)
|
||
image->depth=depth;
|
||
return(status);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% S e t I m a g e T y p e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% SetImageType() sets the type of image. Choose from these types:
|
||
%
|
||
% Bilevel Grayscale GrayscaleMatte
|
||
% Palette PaletteMatte TrueColor
|
||
% TrueColorMatte ColorSeparation ColorSeparationMatte
|
||
% OptimizeType
|
||
%
|
||
% The format of the SetImageType method is:
|
||
%
|
||
% MagickBooleanType SetImageType(Image *image,const ImageType type,
|
||
% ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o type: Image type.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType SetImageType(Image *image,const ImageType type,
|
||
ExceptionInfo *exception)
|
||
{
|
||
const char
|
||
*artifact;
|
||
|
||
ImageInfo
|
||
*image_info;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
QuantizeInfo
|
||
*quantize_info;
|
||
|
||
assert(image != (Image *) NULL);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(image->signature == MagickCoreSignature);
|
||
status=MagickTrue;
|
||
image_info=AcquireImageInfo();
|
||
image_info->dither=image->dither;
|
||
artifact=GetImageArtifact(image,"dither");
|
||
if (artifact != (const char *) NULL)
|
||
(void) SetImageOption(image_info,"dither",artifact);
|
||
switch (type)
|
||
{
|
||
case BilevelType:
|
||
{
|
||
if (SetImageMonochrome(image,exception) == MagickFalse)
|
||
{
|
||
status=TransformImageColorspace(image,GRAYColorspace,exception);
|
||
(void) NormalizeImage(image,exception);
|
||
quantize_info=AcquireQuantizeInfo(image_info);
|
||
quantize_info->number_colors=2;
|
||
quantize_info->colorspace=GRAYColorspace;
|
||
status=QuantizeImage(quantize_info,image,exception);
|
||
quantize_info=DestroyQuantizeInfo(quantize_info);
|
||
}
|
||
image->colors=2;
|
||
image->alpha_trait=UndefinedPixelTrait;
|
||
break;
|
||
}
|
||
case GrayscaleType:
|
||
{
|
||
if (SetImageGray(image,exception) == MagickFalse)
|
||
status=TransformImageColorspace(image,GRAYColorspace,exception);
|
||
image->alpha_trait=UndefinedPixelTrait;
|
||
break;
|
||
}
|
||
case GrayscaleAlphaType:
|
||
{
|
||
if (SetImageGray(image,exception) == MagickFalse)
|
||
status=TransformImageColorspace(image,GRAYColorspace,exception);
|
||
if (image->alpha_trait == UndefinedPixelTrait)
|
||
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
|
||
break;
|
||
}
|
||
case PaletteType:
|
||
{
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
status=TransformImageColorspace(image,sRGBColorspace,exception);
|
||
if ((image->storage_class == DirectClass) || (image->colors > 256))
|
||
{
|
||
quantize_info=AcquireQuantizeInfo(image_info);
|
||
quantize_info->number_colors=256;
|
||
status=QuantizeImage(quantize_info,image,exception);
|
||
quantize_info=DestroyQuantizeInfo(quantize_info);
|
||
}
|
||
image->alpha_trait=UndefinedPixelTrait;
|
||
break;
|
||
}
|
||
case PaletteBilevelAlphaType:
|
||
{
|
||
ChannelType
|
||
channel_mask;
|
||
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
status=TransformImageColorspace(image,sRGBColorspace,exception);
|
||
if (image->alpha_trait == UndefinedPixelTrait)
|
||
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
|
||
channel_mask=SetImageChannelMask(image,AlphaChannel);
|
||
(void) BilevelImage(image,(double) QuantumRange/2.0,exception);
|
||
(void) SetImageChannelMask(image,channel_mask);
|
||
quantize_info=AcquireQuantizeInfo(image_info);
|
||
status=QuantizeImage(quantize_info,image,exception);
|
||
quantize_info=DestroyQuantizeInfo(quantize_info);
|
||
break;
|
||
}
|
||
case PaletteAlphaType:
|
||
{
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
status=TransformImageColorspace(image,sRGBColorspace,exception);
|
||
if (image->alpha_trait == UndefinedPixelTrait)
|
||
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
|
||
quantize_info=AcquireQuantizeInfo(image_info);
|
||
quantize_info->colorspace=TransparentColorspace;
|
||
status=QuantizeImage(quantize_info,image,exception);
|
||
quantize_info=DestroyQuantizeInfo(quantize_info);
|
||
break;
|
||
}
|
||
case TrueColorType:
|
||
{
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
status=TransformImageColorspace(image,sRGBColorspace,exception);
|
||
if (image->storage_class != DirectClass)
|
||
status=SetImageStorageClass(image,DirectClass,exception);
|
||
image->alpha_trait=UndefinedPixelTrait;
|
||
break;
|
||
}
|
||
case TrueColorAlphaType:
|
||
{
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
status=TransformImageColorspace(image,sRGBColorspace,exception);
|
||
if (image->storage_class != DirectClass)
|
||
status=SetImageStorageClass(image,DirectClass,exception);
|
||
if (image->alpha_trait == UndefinedPixelTrait)
|
||
(void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
|
||
break;
|
||
}
|
||
case ColorSeparationType:
|
||
{
|
||
if (image->colorspace != CMYKColorspace)
|
||
{
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
status=TransformImageColorspace(image,sRGBColorspace,exception);
|
||
status=TransformImageColorspace(image,CMYKColorspace,exception);
|
||
}
|
||
if (image->storage_class != DirectClass)
|
||
status=SetImageStorageClass(image,DirectClass,exception);
|
||
image->alpha_trait=UndefinedPixelTrait;
|
||
break;
|
||
}
|
||
case ColorSeparationAlphaType:
|
||
{
|
||
if (image->colorspace != CMYKColorspace)
|
||
{
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
status=TransformImageColorspace(image,sRGBColorspace,exception);
|
||
status=TransformImageColorspace(image,CMYKColorspace,exception);
|
||
}
|
||
if (image->storage_class != DirectClass)
|
||
status=SetImageStorageClass(image,DirectClass,exception);
|
||
if (image->alpha_trait == UndefinedPixelTrait)
|
||
status=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
|
||
break;
|
||
}
|
||
case OptimizeType:
|
||
case UndefinedType:
|
||
break;
|
||
}
|
||
image_info=DestroyImageInfo(image_info);
|
||
if (status == MagickFalse)
|
||
return(status);
|
||
image->type=type;
|
||
return(MagickTrue);
|
||
}
|