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
40 * This will start loading textures immediately, according to the
41 * batch and cache sizes. The cache is as large as the number of urls.
43 FixedImageCache(TextureManager& textureManager,
45 ImageCache::FrameReadyObserver& observer,
46 unsigned int batchSize);
48 ~FixedImageCache() override;
51 * Get the Nth frame. If it's not ready, this will trigger the
52 * sending of FrameReady() when the image becomes ready.
54 TextureSet Frame(uint32_t frameIndex) override;
57 * Get the first frame. If it's not ready, this will trigger the
58 * sending of FrameReady() when the image becomes ready.
60 TextureSet FirstFrame() override;
63 * Get the next frame. If it's not ready, this will trigger the
64 * sending of FrameReady() when the image becomes ready.
66 TextureSet NextFrame() override;
69 * Get the interval of Nth frame.
71 uint32_t GetFrameInterval(uint32_t frameIndex) const override;
74 * Get the current rendered frame index.
75 * If there isn't any loaded frame, returns -1.
77 int32_t GetCurrentFrameIndex() const override;
80 * Get total frame count of the animated image file.
82 int32_t GetTotalFrameCount() const override;
86 * @return true if the front frame is ready
88 bool IsFrontReady() const;
91 * Load the next batch of images
96 * Find the matching image frame, and set it to ready
98 void SetImageFrameReady(TextureManager::TextureId textureId);
101 * Get the texture set of the front frame.
102 * @return the texture set
104 TextureSet GetFrontTextureSet() const;
107 * Check if the front frame has become ready - if so, inform observer
108 * @param[in] wasReady Readiness before call.
110 void CheckFrontFrame(bool wasReady);
113 void LoadComplete(bool loadSuccess, TextureInformation textureInformation) override;
116 std::vector<UrlStore>& mImageUrls;
117 std::vector<bool> mReadyFlags;
121 } //namespace Internal
122 } //namespace Toolkit
125 #endif // DALI_TOOLKIT_INTERNAL_FIXED_IMAGE_CACHE_H