Disconnect relationship with VisualUrl and VisualFactory

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

diff --git a/dali-toolkit/internal/visuals/image/image-visual.cpp b/dali-toolkit/internal/visuals/image/image-visual.cpp
index bbbab23..4ae09f6 100644 (file)
--- a/dali-toolkit/internal/visuals/image/image-visual.cpp
+++ b/dali-toolkit/internal/visuals/image/image-visual.cpp
@@ -187,6 +187,23 @@ ImageVisual::~ImageVisual()
       }
     }
 
+    if(mImageUrl.IsValid())
+    {
+      // Decrease reference count of External Resources :
+      // EncodedImageBuffer or ExternalTextures.
+      // Ensure the stage is still valid before accessing texture manager.
+      if(mImageUrl.GetProtocolType() == VisualUrl::TEXTURE)
+      {
+        TextureManager& textureManager = mFactoryCache.GetTextureManager();
+        textureManager.RemoveExternalTexture(mImageUrl.GetUrl());
+      }
+      else if(mImageUrl.IsBufferResource())
+      {
+        TextureManager& textureManager = mFactoryCache.GetTextureManager();
+        textureManager.RemoveExternalEncodedImageBuffer(mImageUrl.GetUrl());
+      }
+    }
+
     // ImageVisual destroyed so remove texture unless ReleasePolicy is set to never release
     if((mTextureId != TextureManager::INVALID_TEXTURE_ID) && (mReleasePolicy != Toolkit::ImageVisual::ReleasePolicy::NEVER))
     {
@@ -530,6 +547,15 @@ void ImageVisual::OnInitialize()
     }
   }
 
+  // Increase reference count of External Resources :
+  // EncodedImageBuffer or ExternalTextures.
+  // Reference count will be decreased at destructor of the visual.
+  if(mImageUrl.IsValid() && (mImageUrl.IsBufferResource() || mImageUrl.GetProtocolType() == VisualUrl::TEXTURE))
+  {
+    TextureManager& textureManager = mFactoryCache.GetTextureManager();
+    textureManager.UseExternalResource(mImageUrl.GetUrl());
+  }
+
   Shader shader = GetShader();
 
   // Create the renderer
@@ -595,7 +621,7 @@ void ImageVisual::LoadTexture(bool& atlasing, Vector4& atlasRect, TextureSet& te
 
 bool ImageVisual::AttemptAtlasing()
 {
-  return (!mImpl->mCustomShader && mImageUrl.GetProtocolType() == VisualUrl::LOCAL && mAttemptAtlasing);
+  return (!mImpl->mCustomShader && (mImageUrl.IsLocalResource() || mImageUrl.IsBufferResource()) && mAttemptAtlasing);
 }
 
 void ImageVisual::InitializeRenderer()