1 #ifndef DALI_TIZEN_PLATFORM_LOADER_ASTC_H
2 #define DALI_TIZEN_PLATFORM_LOADER_ASTC_H
5 * Copyright (c) 2021 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.
21 #include <dali/devel-api/adaptor-framework/image-loader-input.h>
31 namespace TizenPlatform
33 class ResourceLoadingClient;
37 const unsigned char MAGIC_BYTE_1 = 0x13;
38 const unsigned char MAGIC_BYTE_2 = 0xAB;
42 * Loads a compressed bitmap image from a ASTC file without decoding it.
43 * This function checks the header first
44 * and if it is not a ASTC file, or the header contents are invalid, it will return a failure.
45 * @param[in] input Information about the input image (including file pointer)
46 * @param[out] bitmap The bitmap class where the decoded image will be stored
47 * @return True if file loaded successfully, false otherwise
49 bool LoadBitmapFromAstc(const Dali::ImageLoader::Input& input, Dali::Devel::PixelBuffer& bitmap);
52 * Loads the header of a ASTC file and fills in the width and height appropriately.
53 * @param[in] input Information about the input image (including file pointer)
54 * @param[out] width Is set with the width of the image
55 * @param[out] height Is set with the height of the image
56 * @return True if the header was read successfully, false otherwise
58 bool LoadAstcHeader(const Dali::ImageLoader::Input& input, unsigned int& width, unsigned int& height);
60 } // namespace TizenPlatform
64 #endif // DALI_TIZEN_PLATFORM_LOADER_ASTC_H