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/*
Copyright (C) 2003 - 2019 GraphicsMagick Group
Copyright (C) 2002 ImageMagick Studio
Copyright 1991-1999 E. I. du Pont de Nemours and Company
This program is covered by multiple licenses, which are described in
Copyright.txt. You should have received a copy of Copyright.txt with this
package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
GraphicsMagick Colormap Methods
*/
#ifndef _MAGICK_COLORMAP_H
#define _MAGICK_COLORMAP_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/*
Include declarations.
*/
#include "magick/image.h"
#include "magick/error.h"
extern MagickExport MagickPassFail
AllocateImageColormap(Image *,const unsigned long colors),
CycleColormapImage(Image *image,const int amount),
ReallocateImageColormap(Image *,const unsigned int colors),
ReplaceImageColormap(Image *image,const PixelPacket *colormap,
const unsigned int colors),
SortColormapByIntensity(Image *image);
#if defined(MAGICK_IMPLEMENTATION)
#define VerifyColormapIndexWithColors(image,index,colors) \
{ \
if (index >= colors) \
{ \
if (image->exception.severity < CorruptImageError ) \
{ \
char \
colormapIndexBuffer[MaxTextExtent]; \
\
FormatString(colormapIndexBuffer, \
"index %" MAGICK_SIZE_T_F "u >= %u colors, %.1024s", \
(MAGICK_SIZE_T) index, (unsigned int) colors, image->filename); \
errno=0; \
ThrowException(&image->exception,CorruptImageError, \
InvalidColormapIndex,colormapIndexBuffer); \
} \
index = 0U; \
} \
}
#define VerifyColormapIndex(image,index) \
{ \
VerifyColormapIndexWithColors(image,index,image->colors) \
}
extern MagickExport unsigned int
MagickConstrainColormapIndex(Image *image, unsigned int index) MAGICK_FUNC_DEPRECATED;
#endif /* defined(MAGICK_IMPLEMENTATION) */
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* _MAGICK_COLORMAP_H */
/*
* Local Variables:
* mode: c
* c-basic-offset: 2
* fill-column: 78
* End:
*/
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