Make NPatchData receive LoadComplete call from TextureManager.

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / npatch / npatch-visual.h

diff --git a/dali-toolkit/internal/visuals/npatch/npatch-visual.h b/dali-toolkit/internal/visuals/npatch/npatch-visual.h
index a761628..19bdaff 100644 (file)
--- a/dali-toolkit/internal/visuals/npatch/npatch-visual.h
+++ b/dali-toolkit/internal/visuals/npatch/npatch-visual.h
@@ -2,7 +2,7 @@
 #define DALI_TOOLKIT_INTERNAL_N_PATCH_VISUAL_H
 
 /*
- * Copyright (c) 2019 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 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.
@@ -20,14 +20,15 @@
 
 // EXTERNAL INCLUDES
 #include <dali/public-api/common/intrusive-ptr.h>
-#include <dali/public-api/images/image.h>
 #include <dali/public-api/images/image-operations.h>
-#include <dali/devel-api/images/nine-patch-image.h>
 #include <dali/public-api/rendering/geometry.h>
 #include <dali/public-api/rendering/sampler.h>
 #include <dali/public-api/rendering/shader.h>
+#include <dali/public-api/object/weak-handle.h>
 
 // INTERNAL INCLUDES
+#include <dali-toolkit/public-api/visuals/image-visual-properties.h>
+#include <dali-toolkit/internal/visuals/texture-upload-observer.h>
 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
 #include <dali-toolkit/internal/visuals/visual-url.h>
 
@@ -56,7 +57,7 @@ typedef IntrusivePtr< NPatchVisual > NPatchVisualPtr;
  * | auxiliaryImage           | STRING           |
  * | auxiliaryImageAlpha      | FLOAT            |
  */
-class NPatchVisual: public Visual::Base
+class NPatchVisual: public Visual::Base, public TextureUploadObserver
 {
 public:
 
@@ -83,14 +84,6 @@ public:
    */
   static NPatchVisualPtr New( VisualFactoryCache& factoryCache, const VisualUrl& imageUrl );
 
-  /**
-   * @brief Create an N-patch visual with a NinePatchImage resource.
-   *
-   * @param[in] factoryCache A pointer pointing to the VisualFactoryCache object
-   * @param[in] image The NinePatchImage to use
-   */
-  static NPatchVisualPtr New( VisualFactoryCache& factoryCache, NinePatchImage image );
-
 public:  // from Visual
 
   /**
@@ -128,14 +121,14 @@ protected:
   void DoSetProperties( const Property::Map& propertyMap ) override;
 
   /**
-   * @copydoc Visual::Base::DoSetOnStage
+   * @copydoc Visual::Base::DoSetOnScene
    */
-  void DoSetOnStage( Actor& actor ) override;
+  void DoSetOnScene( Actor& actor ) override;
 
   /**
-   * @copydoc Visual::Base::DoSetOffStage
+   * @copydoc Visual::Base::DoSetOffScene
    */
-  void DoSetOffStage( Actor& actor ) override;
+  void DoSetOffScene( Actor& actor ) override;
 
   /**
    * @copydoc Visual::Base::OnSetTransform
@@ -206,16 +199,40 @@ private:
    */
   Geometry CreateBorderGeometry( Uint16Pair gridSize );
 
+  /**
+   * @brief Creates a renderer by using loaded resource.
+   */
+  void SetResource();
+
 private:
 
-  NPatchLoader&      mLoader;               ///< reference to N patch loader for fast access
-  VisualUrl          mImageUrl;             ///< The url to the N patch to load
-  VisualUrl          mAuxiliaryUrl;         ///< An auxiliary image that can be displayed on top of the N-Patch
-  std::size_t        mId;                   ///< id of the N patch (from loader/cache)
-  Devel::PixelBuffer mAuxiliaryPixelBuffer; ///< pixel buffer of the auxiliary mask image
-  bool               mBorderOnly;           ///< if only border is desired
-  Rect<int>          mBorder;               ///< The size of the border
-  float              mAuxiliaryImageAlpha;  ///< The alpha value for the auxiliary image only
+  /**
+   * @copydoc TextureUploadObserver::UploadCompleted
+   *
+   * To avoid rendering garbage pixels, renderer should be added to actor after the resources are ready.
+   * This callback is the place to add the renderer as it would be called once the loading is finished.
+   */
+  void UploadComplete( bool loadSuccess, int32_t textureId, TextureSet textureSet, bool useAtlasing, const Vector4& atlasRect, bool preMultiplied ) override;
+
+  /**
+   * @copydoc TextureUploadObserver::LoadComplete
+   *
+   * To avoid rendering garbage pixels, renderer should be added to actor after the resources are ready.
+   * This callback is the place to add the renderer as it would be called once the loading is finished.
+   */
+  void LoadComplete( bool loadSuccess, Devel::PixelBuffer pixelBuffer, const VisualUrl& url, bool preMultiplied ) override;
+
+private:
+  WeakHandle<Actor>        mPlacementActor;                 ///< Weakhandle to contain Actor during texture loading
+  NPatchLoader&            mLoader;                         ///< reference to N patch loader for fast access
+  VisualUrl                mImageUrl;                       ///< The url to the N patch to load
+  VisualUrl                mAuxiliaryUrl;                   ///< An auxiliary image that can be displayed on top of the N-Patch
+  NPatchData::NPatchDataId mId;                             ///< id of the N patch (from loader/cache)
+  Devel::PixelBuffer       mAuxiliaryPixelBuffer;           ///< pixel buffer of the auxiliary mask image
+  bool                     mBorderOnly;                     ///< if only border is desired
+  Rect<int>                mBorder;                         ///< The size of the border
+  float                    mAuxiliaryImageAlpha;            ///< The alpha value for the auxiliary image only
+  Toolkit::ImageVisual::ReleasePolicy::Type mReleasePolicy; ///< The release policy to determine when an image should no longer be cached.
 };
 
 } // namespace Internal