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1 /*
2   Copyright 1999-2016 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.
6   obtain a copy of the License at
7 
8     http://www.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 threshold methods.
17 */
18 #ifndef MAGICKCORE_THRESHOLD_H
19 #define MAGICKCORE_THRESHOLD_H
20 
21 #if defined(__cplusplus) || defined(c_plusplus)
22 extern "C" {
23 #endif
24 
25 typedef struct _ThresholdMap
26   ThresholdMap;
27 
28 extern MagickExport Image
29   *AdaptiveThresholdImage(const Image *,const size_t,const size_t,const double,
30     ExceptionInfo *);
31 
32 extern MagickExport ThresholdMap
33   *DestroyThresholdMap(ThresholdMap *),
34   *GetThresholdMap(const char *,ExceptionInfo *);
35 
36 extern MagickExport MagickBooleanType
37   BilevelImage(Image *,const double,ExceptionInfo *),
38   BlackThresholdImage(Image *,const char *,ExceptionInfo *),
39   ClampImage(Image *,ExceptionInfo *),
40   ListThresholdMaps(FILE *,ExceptionInfo *),
41   OrderedDitherImage(Image *,const char *,ExceptionInfo *),
42   PerceptibleImage(Image *,const double,ExceptionInfo *),
43   RandomThresholdImage(Image *,const double,const double,ExceptionInfo *),
44   WhiteThresholdImage(Image *,const char *,ExceptionInfo *);
45 
46 #if defined(__cplusplus) || defined(c_plusplus)
47 }
48 #endif
49 
50 #endif
51