MagickCore  7.1.1-43
Convert, Edit, Or Compose Bitmap Images
channel.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 channel methods.
17 */
18 #ifndef MAGICKCORE_CHANNEL_H
19 #define MAGICKCORE_CHANNEL_H
20 
21 #include <MagickCore/image.h>
22 
23 #if defined(__cplusplus) || defined(c_plusplus)
24 extern "C" {
25 #endif
26 
27 typedef enum
28 {
29  UndefinedAlphaChannel,
30  ActivateAlphaChannel,
31  AssociateAlphaChannel,
32  BackgroundAlphaChannel,
33  CopyAlphaChannel,
34  DeactivateAlphaChannel,
35  DiscreteAlphaChannel,
36  DisassociateAlphaChannel,
37  ExtractAlphaChannel,
38  OffAlphaChannel,
39  OnAlphaChannel,
40  OpaqueAlphaChannel,
41  RemoveAlphaChannel,
42  SetAlphaChannel,
43  ShapeAlphaChannel,
44  TransparentAlphaChannel,
45  OffIfOpaqueAlphaChannel
46 } AlphaChannelOption;
47 
48 extern MagickExport Image
49  *ChannelFxImage(const Image *,const char *,ExceptionInfo *),
50  *CombineImages(const Image *,const ColorspaceType,ExceptionInfo *),
51  *SeparateImage(const Image *,const ChannelType,ExceptionInfo *),
52  *SeparateImages(const Image *,ExceptionInfo *);
53 
54 extern MagickExport MagickBooleanType
55  GetImageAlphaChannel(const Image *),
56  SetImageAlphaChannel(Image *,const AlphaChannelOption,ExceptionInfo *);
57 
58 #if defined(__cplusplus) || defined(c_plusplus)
59 }
60 #endif
61 
62 #endif
_Image
Definition: image.h:131
_ExceptionInfo
Definition: exception.h:101