1 #ifndef DALI_INTERNAL_ADAPTOR_ALPHA_MASK_H
2 #define DALI_INTERNAL_ADAPTOR_ALPHA_MASK_H
5 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 #include <dali/internal/imaging/common/pixel-buffer-impl.h>
28 * @brief Apply the mask to a buffer's alpha channel
29 * @note It works well only if mask's alpha mask is 8bit
30 * @param[in] buffer The buffer to apply the mask to
31 * @param[in] mask The mask to apply
33 void ApplyMaskToAlphaChannel(PixelBuffer& buffer, const PixelBuffer& mask);
36 * @brief Create a new PixelBuffer with an alpha channel large enough to handle the alpha from
37 * the mask, converting the color values to the new size, and either multiplying the mask's
38 * alpha into the existing alpha value, or writing the mask's alpha value directly into
39 * the new buffer's alpha channel.
40 * @note It works well only if mask's alpha mask is 8bit
42 * @param[in] buffer The buffer to apply the mask to
43 * @param[in] mask The mask to apply
44 * @return A new pixel buffer containing the masked image
46 PixelBufferPtr CreateNewMaskedBuffer(const PixelBuffer& buffer, const PixelBuffer& mask);
49 } //namespace Internal
52 #endif // DALI_INTERNAL_ADAPTOR_ALPHA_MASK_H