/*
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Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization
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dedicated to making software imaging solutions freely available.
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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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https://imagemagick.org/script/license.php
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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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MagickCore image colormap methods.
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*/
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#ifndef MAGICKCORE_COLORMAP_PRIVATE_H
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#define MAGICKCORE_COLORMAP_PRIVATE_H
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#include "MagickCore/image.h"
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#include "MagickCore/color.h"
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#include "MagickCore/exception-private.h"
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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static inline ssize_t ConstrainColormapIndex(Image *image,const ssize_t index,
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ExceptionInfo *exception)
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{
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if ((index < 0) || (index >= (ssize_t) image->colors))
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{
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if (exception->severity != CorruptImageError)
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(void) ThrowMagickException(exception,GetMagickModule(),
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CorruptImageError,"InvalidColormapIndex","`%s'",image->filename);
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return(0);
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}
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return((ssize_t) index);
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}
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static inline void ValidateColormapValue(Image *image,
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const ssize_t index,Quantum *target,ExceptionInfo *exception)
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{
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if ((index < 0) || (index >= (ssize_t) image->colors))
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{
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if (exception->severity != CorruptImageError)
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(void) ThrowMagickException(exception,GetMagickModule(),
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CorruptImageError,"InvalidColormapIndex","`%s'",image->filename);
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*target=(Quantum) 0;
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}
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else
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*target=(Quantum) index;
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}
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif
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