CPU Alpha Masking for Animated Image Visual

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / animated-image / fixed-image-cache.h

diff --git a/dali-toolkit/internal/visuals/animated-image/fixed-image-cache.h b/dali-toolkit/internal/visuals/animated-image/fixed-image-cache.h
index 3eaac8a..c798a66 100644 (file)
--- a/dali-toolkit/internal/visuals/animated-image/fixed-image-cache.h
+++ b/dali-toolkit/internal/visuals/animated-image/fixed-image-cache.h
@@ -2,7 +2,7 @@
 #define DALI_TOOLKIT_INTERNAL_FIXED_IMAGE_CACHE_H
 
 /*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 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.
@@ -18,8 +18,8 @@
  */
 
 // EXTERNAL INCLUDES
+#include <dali-toolkit/internal/texture-manager/texture-manager-impl.h>
 #include <dali-toolkit/internal/visuals/animated-image/image-cache.h>
-#include <dali-toolkit/internal/visuals/texture-manager-impl.h>
 
 namespace Dali
 {
@@ -27,108 +27,98 @@ namespace Toolkit
 {
 namespace Internal
 {
-
 class FixedImageCache : public ImageCache, public TextureUploadObserver
 {
 public:
   /**
    * Constructor.
    * @param[in] textureManager The texture manager
-   * @param[in] urlList List of urls to cache
-   * @param[in] observer FrameReady observer
-   * @param[in] batchSize The size of a batch to load
+   * @param[in] urlList        List of urls to cache
+   * @param[in] maskingData    Masking data to be applied.
+   * @param[in] observer       FrameReady observer
+   * @param[in] batchSize      The size of a batch to load
+   * @param[in] interval       Time interval between each frame
    *
    * This will start loading textures immediately, according to the
    * batch and cache sizes. The cache is as large as the number of urls.
    */
-  FixedImageCache( TextureManager&                 textureManager,
-                   UrlList&                        urlList,
-                   ImageCache::FrameReadyObserver& observer,
-                   unsigned int                    batchSize );
+  FixedImageCache(TextureManager&                     textureManager,
+                  UrlList&                            urlList,
+                  TextureManager::MaskingDataPointer& maskingData,
+                  ImageCache::FrameReadyObserver&     observer,
+                  uint32_t                            batchSize,
+                  uint32_t                            interval);
 
   ~FixedImageCache() override;
 
   /**
-   * Get the Nth frame. If it's not ready, this will trigger the
-   * sending of FrameReady() when the image becomes ready.
+   * @copydoc Internal::ImageCache::Frame()
    */
-  TextureSet Frame( uint32_t frameIndex ) override;
+  TextureSet Frame(uint32_t frameIndex) override;
 
   /**
-   * Get the first frame. If it's not ready, this will trigger the
-   * sending of FrameReady() when the image becomes ready.
+   * @copydoc Internal::ImageCache::FirstFrame()
    */
   TextureSet FirstFrame() override;
 
   /**
-   * Get the next frame. If it's not ready, this will trigger the
-   * sending of FrameReady() when the image becomes ready.
+   * @copydoc Internal::ImageCache::GetFrameInterval()
    */
-  TextureSet NextFrame() override;
+  uint32_t GetFrameInterval(uint32_t frameIndex) const override;
 
   /**
-   * Get the interval of Nth frame.
+   * @copydoc Internal::ImageCache::GetCurrentFrameIndex()
    */
-  uint32_t GetFrameInterval( uint32_t frameIndex ) const override;
+  int32_t GetCurrentFrameIndex() const override;
 
   /**
-   * Get the current rendered frame index.
-   * If there isn't any loaded frame, returns -1.
+   * @copydoc Internal::ImageCache::GetTotalFrameCount()
    */
-  int32_t GetCurrentFrameIndex() const override;
+  int32_t GetTotalFrameCount() const override;
 
   /**
-   * Get total frame count of the animated image file.
+   * @copydoc Internal::ImageCache::ClearCache()
    */
-  int32_t GetTotalFrameCount() const override;
+  void ClearCache() override;
 
 private:
   /**
+   * @brief Check whether the front frame is ready or not.
+   *
    * @return true if the front frame is ready
    */
   bool IsFrontReady() const;
 
   /**
-   * Load the next batch of images
+   * @brief Load the next batch of images
    */
   void LoadBatch();
 
   /**
-   * Find the matching image frame, and set it to ready
-   */
-  void SetImageFrameReady( TextureManager::TextureId textureId );
-
-  /**
-   * Get the texture set of the front frame.
-   * @return the texture set
+   * @brief Get the texture set of the front frame.
+   *
+   * @return the texture set of the front of Cache.
    */
   TextureSet GetFrontTextureSet() const;
 
   /**
-   * Check if the front frame has become ready - if so, inform observer
+   * @brief Check if the front frame has become ready - if so, inform observer
+   *
    * @param[in] wasReady Readiness before call.
    */
-  void CheckFrontFrame( bool wasReady );
+  void CheckFrontFrame(bool wasReady);
 
 protected:
-  void UploadComplete(
-    bool           loadSuccess,
-    int32_t        textureId,
-    TextureSet     textureSet,
-    bool           useAtlasing,
-    const Vector4& atlasRect,
-    bool           premultiplied ) override;
-
-  void LoadComplete(
-    bool loadSuccess,
-    Devel::PixelBuffer pixelBuffer,
-    const VisualUrl& url,
-    bool preMultiplied ) override;
+  /**
+   * @copydoc Toolkit::TextureUploadObserver::LoadComplete()
+   */
+  void LoadComplete(bool loadSuccess, TextureInformation textureInformation) override;
 
 private:
-  std::vector<UrlStore>& mImageUrls;
-  std::vector<bool> mReadyFlags;
-  unsigned int      mFront;
+  std::vector<UrlStore>&                 mImageUrls;
+  std::vector<bool>                      mReadyFlags;
+  std::vector<TextureManager::LoadState> mLoadStates;
+  uint32_t                               mFront;
 };
 
 } //namespace Internal