MagickCore  7.1.0
Convert, Edit, Or Compose Bitmap Images
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)
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 double,
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,ExceptionInfo *),
47  BlackThresholdImage(Image *,const char *,ExceptionInfo *),
48  ClampImage(Image *,ExceptionInfo *),
49  ColorThresholdImage(Image *,const PixelInfo *,const PixelInfo *,
50  ExceptionInfo *),
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
Definition: image.h:152