MagickCore  7.1.0
Convert, Edit, Or Compose Bitmap Images
quantize.h
1 /*
2  Copyright @ 1999 ImageMagick Studio LLC, a non-profit organization
3  dedicated to making software imaging solutions freely available.
4 
5  You may not use this file except in compliance with the License. You may
6  obtain a copy of the License at
7 
8  https://imagemagick.org/script/license.php
9 
10  Unless required by applicable law or agreed to in writing, software
11  distributed under the License is distributed on an "AS IS" BASIS,
12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  See the License for the specific language governing permissions and
14  limitations under the License.
15 
16  MagickCore image quantization methods.
17 */
18 #ifndef MAGICKCORE_QUANTIZE_H
19 #define MAGICKCORE_QUANTIZE_H
20 
21 #include "MagickCore/colorspace.h"
22 
23 #if defined(__cplusplus) || defined(c_plusplus)
24 extern "C" {
25 #endif
26 
27 typedef enum
28 {
29  UndefinedDitherMethod,
30  NoDitherMethod,
31  RiemersmaDitherMethod,
32  FloydSteinbergDitherMethod
33 } DitherMethod;
34 
35 typedef struct _QuantizeInfo
36 {
37  size_t
38  number_colors; /* desired maximum number of colors */
39 
40  size_t
41  tree_depth;
42 
43  ColorspaceType
44  colorspace;
45 
46  DitherMethod
47  dither_method;
48 
49  MagickBooleanType
50  measure_error;
51 
52  size_t
53  signature;
54 } QuantizeInfo;
55 
56 
57 extern MagickExport MagickBooleanType
58  CompressImageColormap(Image *,ExceptionInfo *),
59  GetImageQuantizeError(Image *,ExceptionInfo *),
60  KmeansImage(Image *,const size_t,const size_t,const double,ExceptionInfo *),
61  PosterizeImage(Image *,const size_t,const DitherMethod,ExceptionInfo *),
62  QuantizeImage(const QuantizeInfo *,Image *,ExceptionInfo *),
63  QuantizeImages(const QuantizeInfo *,Image *,ExceptionInfo *),
64  RemapImage(const QuantizeInfo *,Image *,const Image *,ExceptionInfo *),
65  RemapImages(const QuantizeInfo *,Image *,const Image *,ExceptionInfo *);
66 
67 extern MagickExport QuantizeInfo
68  *AcquireQuantizeInfo(const ImageInfo *),
69  *CloneQuantizeInfo(const QuantizeInfo *),
70  *DestroyQuantizeInfo(QuantizeInfo *);
71 
72 extern MagickExport void
73  GetQuantizeInfo(QuantizeInfo *);
74 
75 #if defined(__cplusplus) || defined(c_plusplus)
76 }
77 #endif
78 
79 #endif
Definition: image.h:152