MagickCore  6.9.12-67
Convert, Edit, Or Compose Bitmap Images
 All Data Structures
threshold.h
1 /*
2  Copyright 1999-2021 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)
22 extern "C" {
23 #endif
24 
25 typedef enum
26 {
27  UndefinedThresholdMethod,
28  KapurThresholdMethod,
29  OTSUThresholdMethod,
30  TriangleThresholdMethod
31 } AutoThresholdMethod;
32 
33 typedef struct _ThresholdMap
35 
36 extern MagickExport Image
37  *AdaptiveThresholdImage(const Image *,const size_t,const size_t,const ssize_t,
38  ExceptionInfo *);
39 
40 extern MagickExport ThresholdMap
41  *DestroyThresholdMap(ThresholdMap *),
42  *GetThresholdMap(const char *,ExceptionInfo *);
43 
44 extern MagickExport MagickBooleanType
45  AutoThresholdImage(Image *,const AutoThresholdMethod,ExceptionInfo *),
46  BilevelImage(Image *,const double),
47  BilevelImageChannel(Image *,const ChannelType,const double),
48  BlackThresholdImage(Image *,const char *),
49  BlackThresholdImageChannel(Image *,const ChannelType,const char *,
50  ExceptionInfo *),
51  ClampImage(Image *),
52  ClampImageChannel(Image *,const ChannelType),
53  ListThresholdMaps(FILE *,ExceptionInfo *),
54  OrderedDitherImage(Image *), /* deprecated */
55  OrderedDitherImageChannel(Image *,const ChannelType,ExceptionInfo *),
56  OrderedPosterizeImage(Image *,const char *,ExceptionInfo *),
57  OrderedPosterizeImageChannel(Image *,const ChannelType,const char *,
58  ExceptionInfo *),
59  PerceptibleImage(Image *,const double),
60  PerceptibleImageChannel(Image *,const ChannelType,const double),
61  RandomThresholdImage(Image *,const char *,ExceptionInfo *),
62  RandomThresholdImageChannel(Image *,const ChannelType,const char *,
63  ExceptionInfo *),
64  WhiteThresholdImage(Image *,const char *),
65  WhiteThresholdImageChannel(Image *,const ChannelType,const char *,
66  ExceptionInfo *);
67 
68 #if defined(__cplusplus) || defined(c_plusplus)
69 }
70 #endif
71 
72 #endif
Definition: image.h:152