+
+ if(renderer != mImpl->mRenderer)
+ {
+ // Set constraint for text label's color for non-default renderers.
+ if(mAnimatableTextColorPropertyIndex != Property::INVALID_INDEX)
+ {
+ // Register unique property, or get property for default renderer.
+ Property::Index index = renderer.RegisterUniqueProperty("uTextColorAnimatable", defaultColor);
+
+ // Create constraint for the animatable text's color Property with uTextColorAnimatable in the renderer.
+ if(index != Property::INVALID_INDEX)
+ {
+ Constraint colorConstraint = Constraint::New<Vector4>(renderer, index, TextColorConstraint);
+ colorConstraint.AddSource(Source(actor, mAnimatableTextColorPropertyIndex));
+ colorConstraint.Apply();
+ }
+
+ // Make zero if the alpha value of text color is zero to skip rendering text
+ // VisualRenderer::Property::OPACITY uses same animatable property internally.
+ Constraint opacityConstraint = Constraint::New<float>(renderer, Dali::DevelRenderer::Property::OPACITY, OpacityConstraint);
+ opacityConstraint.AddSource(Source(actor, mAnimatableTextColorPropertyIndex));
+ opacityConstraint.Apply();
+ }
+ }