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- /*
- Copyright 1999 ImageMagick Studio LLC, a non-profit organization
- dedicated to making software imaging solutions freely available.
- You may not use this file except in compliance with the License. You may
- obtain a copy of the License at
- https://imagemagick.org/script/license.php
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- MagickCore image channel methods.
- */
- #ifndef MAGICKCORE_CHANNEL_H
- #define MAGICKCORE_CHANNEL_H
- #include "magick/image.h"
- #if defined(__cplusplus) || defined(c_plusplus)
- extern "C" {
- #endif
- typedef enum
- {
- UndefinedAlphaChannel,
- ActivateAlphaChannel,
- BackgroundAlphaChannel,
- CopyAlphaChannel,
- DeactivateAlphaChannel,
- ExtractAlphaChannel,
- OpaqueAlphaChannel,
- ResetAlphaChannel, /* deprecated */
- SetAlphaChannel,
- ShapeAlphaChannel,
- TransparentAlphaChannel,
- FlattenAlphaChannel,
- RemoveAlphaChannel,
- AssociateAlphaChannel,
- DisassociateAlphaChannel,
- OffIfOpaqueAlphaChannel
- } AlphaChannelType;
- extern MagickExport Image
- *CombineImages(const Image *,const ChannelType,ExceptionInfo *),
- *SeparateImage(const Image *,const ChannelType,ExceptionInfo *),
- *SeparateImages(const Image *,const ChannelType,ExceptionInfo *);
- extern MagickExport MagickBooleanType
- GetImageAlphaChannel(const Image *),
- SeparateImageChannel(Image *,const ChannelType),
- SetImageAlphaChannel(Image *,const AlphaChannelType);
- #if defined(__cplusplus) || defined(c_plusplus)
- }
- #endif
- #endif
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