#define DALI_TOOLKIT_INTERNAL_IMAGE_CACHE_H
/*
- * Copyright (c) 2019 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
// EXTERNAL INCLUDES
-#include <dali-toolkit/internal/visuals/texture-upload-observer.h>
#include <dali-toolkit/internal/visuals/texture-manager-impl.h>
+#include <dali-toolkit/internal/visuals/texture-upload-observer.h>
namespace Dali
{
{
namespace Internal
{
-
class ImageCache : public TextureManager::LifecycleObserver
{
public:
* Informs observer when the next texture set is ready to display
* @param[in] textureSet The ready texture set
*/
- virtual void FrameReady( TextureSet textureSet ) = 0;
+ virtual void FrameReady(TextureSet textureSet) = 0;
};
struct UrlStore
{
- TextureManager::TextureId mTextureId;
- std::string mUrl;
+ TextureManager::TextureId mTextureId = TextureManager::INVALID_TEXTURE_ID;
+ std::string mUrl;
};
/**
* This will start loading textures immediately, according to the
* batch and cache sizes. The cache is as large as the number of urls.
*/
- ImageCache( TextureManager& textureManager,
- ImageCache::FrameReadyObserver& observer,
- unsigned int batchSize );
+ ImageCache(TextureManager& textureManager,
+ ImageCache::FrameReadyObserver& observer,
+ unsigned int batchSize);
virtual ~ImageCache();
/**
* Get the next frame. If it's not ready, this will trigger the
* sending of FrameReady() when the image becomes ready.
- * This will trigger the loading of the next batch.
*/
virtual TextureSet NextFrame() = 0;
-private:
+ /**
+ * Get the Nth frame. If it's not ready, this will trigger the
+ * sending of FrameReady() when the image becomes ready.
+ */
+ virtual TextureSet Frame(uint32_t frameIndex) = 0;
/**
+ * Get the interval of Nth frame.
+ */
+ virtual uint32_t GetFrameInterval(uint32_t frameIndex) const = 0;
+
+ /**
+ * Get the current rendered frame index.
+ * If there isn't any loaded frame, returns -1.
+ */
+ virtual int32_t GetCurrentFrameIndex() const = 0;
+
+ /**
+ * Get total frame count of the animated image file.
+ */
+ virtual int32_t GetTotalFrameCount() const = 0;
+
+private:
+ /**
* Called before the texture manager is destroyed.
*/
void TextureManagerDestroyed() final;
protected:
- TextureManager& mTextureManager;
- FrameReadyObserver& mObserver;
- unsigned int mBatchSize;
- unsigned int mUrlIndex;
- bool mWaitingForReadyFrame:1;
- bool mRequestingLoad:1;
- bool mTextureManagerAlive:1;
+ TextureManager& mTextureManager;
+ FrameReadyObserver& mObserver;
+ unsigned int mBatchSize;
+ unsigned int mUrlIndex;
+ bool mWaitingForReadyFrame : 1;
+ bool mRequestingLoad : 1;
+ bool mTextureManagerAlive : 1;
};
} //namespace Internal