1 #ifndef DALI_TOOLKIT_INTERNAL_FIXED_IMAGE_CACHE_H
2 #define DALI_TOOLKIT_INTERNAL_FIXED_IMAGE_CACHE_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.
21 #include <dali-toolkit/internal/texture-manager/texture-manager-impl.h>
22 #include <dali-toolkit/internal/visuals/animated-image/image-cache.h>
30 class FixedImageCache : public ImageCache, public TextureUploadObserver
35 * @param[in] textureManager The texture manager
36 * @param[in] urlList List of urls to cache
37 * @param[in] observer FrameReady observer
38 * @param[in] batchSize The size of a batch to load
39 * @param[in] interval Time interval between each frame
41 * This will start loading textures immediately, according to the
42 * batch and cache sizes. The cache is as large as the number of urls.
44 FixedImageCache(TextureManager& textureManager,
46 ImageCache::FrameReadyObserver& observer,
50 ~FixedImageCache() override;
53 * @copydoc Internal::ImageCache::Frame()
55 TextureSet Frame(uint32_t frameIndex) override;
58 * @copydoc Internal::ImageCache::FirstFrame()
60 TextureSet FirstFrame() override;
63 * @copydoc Internal::ImageCache::GetFrameInterval()
65 uint32_t GetFrameInterval(uint32_t frameIndex) const override;
68 * @copydoc Internal::ImageCache::GetCurrentFrameIndex()
70 int32_t GetCurrentFrameIndex() const override;
73 * @copydoc Internal::ImageCache::GetTotalFrameCount()
75 int32_t GetTotalFrameCount() const override;
78 * @copydoc Internal::ImageCache::ClearCache()
80 void ClearCache() override;
84 * @brief Check whether the front frame is ready or not.
86 * @return true if the front frame is ready
88 bool IsFrontReady() const;
91 * @brief Load the next batch of images
96 * @brief Get the texture set of the front frame.
98 * @return the texture set of the front of Cache.
100 TextureSet GetFrontTextureSet() const;
103 * @brief Check if the front frame has become ready - if so, inform observer
105 * @param[in] wasReady Readiness before call.
107 void CheckFrontFrame(bool wasReady);
111 * @copydoc Toolkit::TextureUploadObserver::LoadComplete()
113 void LoadComplete(bool loadSuccess, TextureInformation textureInformation) override;
116 std::vector<UrlStore>& mImageUrls;
117 std::vector<bool> mReadyFlags;
118 std::vector<TextureManager::LoadState> mLoadStates;
122 } //namespace Internal
123 } //namespace Toolkit
126 #endif // DALI_TOOLKIT_INTERNAL_FIXED_IMAGE_CACHE_H