MagickCore 7.1.1
Convert, Edit, Or Compose Bitmap Images
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threshold.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 threshold methods.
17*/
18#ifndef MAGICKCORE_THRESHOLD_H
19#define MAGICKCORE_THRESHOLD_H
20
21#if defined(__cplusplus) || defined(c_plusplus)
22extern "C" {
23#endif
24
25typedef enum
26{
27 UndefinedThresholdMethod,
28 KapurThresholdMethod,
29 OTSUThresholdMethod,
30 TriangleThresholdMethod
31} AutoThresholdMethod;
32
33typedef struct _ThresholdMap
35
36extern MagickExport Image
37 *AdaptiveThresholdImage(const Image *,const size_t,const size_t,const double,
39
40extern MagickExport ThresholdMap
41 *DestroyThresholdMap(ThresholdMap *),
42 *GetThresholdMap(const char *,ExceptionInfo *);
43
44extern MagickExport MagickBooleanType
45 AutoThresholdImage(Image *,const AutoThresholdMethod,ExceptionInfo *),
46 BilevelImage(Image *,const double,ExceptionInfo *),
47 BlackThresholdImage(Image *,const char *,ExceptionInfo *),
48 ClampImage(Image *,ExceptionInfo *),
49 ColorThresholdImage(Image *,const PixelInfo *,const PixelInfo *,
51 ListThresholdMaps(FILE *,ExceptionInfo *),
52 OrderedDitherImage(Image *,const char *,ExceptionInfo *),
53 PerceptibleImage(Image *,const double,ExceptionInfo *),
54 RandomThresholdImage(Image *,const double,const double,ExceptionInfo *),
55 RangeThresholdImage(Image *,const double,const double,const double,
56 const double,ExceptionInfo *),
57 WhiteThresholdImage(Image *,const char *,ExceptionInfo *);
58
59#if defined(__cplusplus) || defined(c_plusplus)
60}
61#endif
62
63#endif