ImageVisual Load policy

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

diff --git a/dali-toolkit/internal/visuals/image/image-visual.h b/dali-toolkit/internal/visuals/image/image-visual.h
index 0e4009b..87111b7 100644 (file)
--- a/dali-toolkit/internal/visuals/image/image-visual.h
+++ b/dali-toolkit/internal/visuals/image/image-visual.h
@@ -65,6 +65,7 @@ typedef IntrusivePtr< ImageVisual > ImageVisualPtr;
  * | pixelArea          | VECTOR4           |
  * | wrapModeU          | INTEGER OR STRING |
  * | wrapModeV          | INTEGER OR STRING |
+ * | loadPolicy         | INTEGER OR STRING |
  * | releasePolicy      | INTEGER OR STRING |
  *
  * where pixelArea is a rectangular area.
@@ -96,6 +97,9 @@ typedef IntrusivePtr< ImageVisual > ImageVisualPtr;
  *   "DONT_CARE"
  *   "DEFAULT"
  *
+ * where loadPolicy should be one of the following image loading modes
+ *   "IMMEDIATE"   // Loads image even if visual not attached to stage yet
+ *   "ATTACHED"    // Only loads image once visual is attached to stage
  *
  * where releasePolicy should be one of the following policies for when to cache the image
  *   "DETACHED"    //  Release image from cache when visual detached from stage
@@ -265,6 +269,14 @@ private:
   void ApplyImageToSampler( const Image& image );
 
   /**
+   * @brief Load the texture, will try to atlas unless unable or param set to false.
+   * @param[in, out] atlasing flag if the image has been put in a atlas (true), passing false will not atlas even if possible.
+   * @param[out] atlasRect if atlasing is used this the texture area of the image in the atlas.
+   * @param[out] textures resulting texture set from the image loading.
+   */
+  void LoadTexture( bool& atlasing, Vector4& atlasRect, TextureSet& textures );
+
+  /**
    * @brief Initializes the Dali::Renderer from the image url
    */
   void InitializeRenderer();
@@ -332,12 +344,15 @@ private:
 
   Dali::ImageDimensions mDesiredSize;
   TextureManager::TextureId mTextureId;
+  TextureSet mTextures;
 
   Dali::FittingMode::Type mFittingMode:3;
   Dali::SamplingMode::Type mSamplingMode:4;
   Dali::WrapMode::Type mWrapModeU:3;
   Dali::WrapMode::Type mWrapModeV:3;
+  DevelImageVisual::LoadPolicy::Type mLoadPolicy;
   DevelImageVisual::ReleasePolicy::Type mReleasePolicy;
+  Vector4 mAtlasRect;
   bool mAttemptAtlasing; ///< If true will attempt atlasing, otherwise create unique texture
   bool mLoading;  ///< True if the texture is still loading.
 };