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/*
Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License. You may
obtain a copy of the License at
https://imagemagick.org/script/license.php
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore image quantization methods.
*/
#ifndef MAGICKCORE_QUANTIZE_H
#define MAGICKCORE_QUANTIZE_H
#include "MagickCore/colorspace.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
typedef enum
{
UndefinedDitherMethod,
NoDitherMethod,
RiemersmaDitherMethod,
FloydSteinbergDitherMethod
} DitherMethod;
typedef struct _QuantizeInfo
{
size_t
number_colors; /* desired maximum number of colors */
size_t
tree_depth;
ColorspaceType
colorspace;
DitherMethod
dither_method;
MagickBooleanType
measure_error;
size_t
signature;
} QuantizeInfo;
extern MagickExport MagickBooleanType
CompressImageColormap(Image *,ExceptionInfo *),
GetImageQuantizeError(Image *,ExceptionInfo *),
KmeansImage(Image *,const size_t,const size_t,const double,ExceptionInfo *),
PosterizeImage(Image *,const size_t,const DitherMethod,ExceptionInfo *),
QuantizeImage(const QuantizeInfo *,Image *,ExceptionInfo *),
QuantizeImages(const QuantizeInfo *,Image *,ExceptionInfo *),
RemapImage(const QuantizeInfo *,Image *,const Image *,ExceptionInfo *),
RemapImages(const QuantizeInfo *,Image *,const Image *,ExceptionInfo *);
extern MagickExport QuantizeInfo
*AcquireQuantizeInfo(const ImageInfo *),
*CloneQuantizeInfo(const QuantizeInfo *),
*DestroyQuantizeInfo(QuantizeInfo *);
extern MagickExport void
GetQuantizeInfo(QuantizeInfo *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif