quantize.h

Go to the documentation of this file.
00001 /*
00002   Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization
00003   dedicated to making software imaging solutions freely available.
00004   
00005   You may not use this file except in compliance with the License.
00006   obtain a copy of the License at
00007   
00008     http://www.imagemagick.org/script/license.php
00009   
00010   Unless required by applicable law or agreed to in writing, software
00011   distributed under the License is distributed on an "AS IS" BASIS,
00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013   See the License for the specific language governing permissions and
00014   limitations under the License.
00015 
00016   MagickCore image quantization methods.
00017 */
00018 #ifndef _MAGICKCORE_QUANTIZE_H
00019 #define _MAGICKCORE_QUANTIZE_H
00020 
00021 #if defined(__cplusplus) || defined(c_plusplus)
00022 extern "C" {
00023 #endif
00024 
00025 #include "magick/colorspace.h"
00026 
00027 typedef enum
00028 {
00029   UndefinedDitherMethod,
00030   NoDitherMethod,
00031   RiemersmaDitherMethod,
00032   FloydSteinbergDitherMethod
00033 } DitherMethod;
00034 
00035 typedef struct _QuantizeInfo
00036 {
00037   unsigned long
00038     number_colors;
00039 
00040   unsigned long
00041     tree_depth;
00042 
00043   MagickBooleanType
00044     dither;
00045 
00046   ColorspaceType
00047     colorspace;
00048 
00049   MagickBooleanType
00050     measure_error;
00051 
00052   unsigned long
00053     signature;
00054 
00055   DitherMethod
00056     dither_method;
00057 } QuantizeInfo;
00058 
00059 extern MagickExport MagickBooleanType
00060   CompressImageColormap(Image *),
00061   GetImageQuantizeError(Image *),
00062   PosterizeImage(Image *,const unsigned long,const MagickBooleanType),
00063   QuantizeImage(const QuantizeInfo *,Image *),
00064   QuantizeImages(const QuantizeInfo *,Image *),
00065   RemapImage(const QuantizeInfo *,Image *,const Image *),
00066   RemapImages(const QuantizeInfo *,Image *,const Image *);
00067 
00068 extern MagickExport QuantizeInfo
00069   *AcquireQuantizeInfo(const ImageInfo *),
00070   *CloneQuantizeInfo(const QuantizeInfo *),
00071   *DestroyQuantizeInfo(QuantizeInfo *);
00072 
00073 extern MagickExport void
00074   GetQuantizeInfo(QuantizeInfo *);
00075 
00076 #if defined(__cplusplus) || defined(c_plusplus)
00077 }
00078 #endif
00079 
00080 #endif