Automatically dis/connect registered visuals to stage

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

diff --git a/dali-toolkit/internal/visuals/svg/svg-visual.cpp b/dali-toolkit/internal/visuals/svg/svg-visual.cpp
index 569c696..832fd19 100644 (file)
--- a/dali-toolkit/internal/visuals/svg/svg-visual.cpp
+++ b/dali-toolkit/internal/visuals/svg/svg-visual.cpp
@@ -104,6 +104,9 @@ void SvgVisual::DoSetOnStage( Actor& actor )
   {
     AddRasterizationTask( mImpl->mSize );
   }
+
+  // Hold the weak handle of the placement actor and delay the adding of renderer until the svg rasterization is finished.
+  mPlacementActor = actor;
 }
 
 void SvgVisual::DoSetOffStage( Actor& actor )
@@ -112,6 +115,7 @@ void SvgVisual::DoSetOffStage( Actor& actor )
 
   actor.RemoveRenderer( mImpl->mRenderer );
   mImpl->mRenderer.Reset();
+  mPlacementActor.Reset();
 }
 
 void SvgVisual::GetNaturalSize( Vector2& naturalSize ) const
@@ -232,11 +236,19 @@ void SvgVisual::ApplyRasterizedImage( PixelData rasterizedPixelData )
         TextureSetImage( textureSet, 0u, texture );
       }
     }
+
+    // Rasterized pixels are uploaded to texture. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
+    Actor actor = mPlacementActor.GetHandle();
+    if( actor )
+    {
+      actor.AddRenderer( mImpl->mRenderer );
+      // reset the weak handle so that the renderer only get added to actor once
+      mPlacementActor.Reset();
+    }
   }
 }
 
 
-
 } // namespace Internal
 
 } // namespace Toolkit