[Tizen] Implement partial update

[platform/core/uifw/dali-core.git] / dali / internal / event / actors / actor-impl.cpp

diff --git a/dali/internal/event/actors/actor-impl.cpp b/dali/internal/event/actors/actor-impl.cpp
index 50c744e..e57648f 100755 (executable)
--- a/dali/internal/event/actors/actor-impl.cpp
+++ b/dali/internal/event/actors/actor-impl.cpp
@@ -214,7 +214,7 @@ DALI_PROPERTY( "opacity",                   FLOAT,    true,  true,  true,  Dali:
 DALI_PROPERTY( "screenPosition",            VECTOR2,  false, false, false, Dali::DevelActor::Property::SCREEN_POSITION )
 DALI_PROPERTY( "positionUsesAnchorPoint",   BOOLEAN,  true,  false, false, Dali::DevelActor::Property::POSITION_USES_ANCHOR_POINT )
 DALI_PROPERTY( "culled",                    BOOLEAN,  false, false, true, Dali::DevelActor::Property::CULLED )
-DALI_PROPERTY( "updateSizeHint",            VECTOR2,  true, true, true, Dali::DevelActor::Property::UPDATE_SIZE_HINT )
+DALI_PROPERTY( "updateSizeHint",            VECTOR2,  true,  false, true, Dali::DevelActor::Property::UPDATE_SIZE_HINT )
 DALI_PROPERTY_TABLE_END( DEFAULT_ACTOR_PROPERTY_START_INDEX, ActorDefaultProperties )
 
 // Signals
@@ -3479,6 +3479,15 @@ bool Actor::DoAction( BaseObject* object, const std::string& actionName, const P
   return done;
 }
 
+Rect<> Actor::CalculateScreenExtents( ) const
+{
+  auto screenPosition = GetCurrentScreenPosition();
+  Vector3 size = GetCurrentSize() * GetCurrentWorldScale();
+  Vector3 anchorPointOffSet = size * ( mPositionUsesAnchorPoint ? GetCurrentAnchorPoint() : AnchorPoint::TOP_LEFT );
+  Vector2 position = Vector2( screenPosition.x - anchorPointOffSet.x, screenPosition.y - anchorPointOffSet.y );
+  return { position.x, position.y, size.x, size.y };
+}
+
 bool Actor::GetCachedPropertyValue( Property::Index index, Property::Value& value ) const
 {
   bool valueSet = true;
@@ -4735,7 +4744,7 @@ void Actor::SetUpdateSizeHint( const Vector2& updateSizeHint )
   SceneGraph::NodeTransformPropertyMessage<Vector3>::Send( GetEventThreadServices(), &GetNode(), &GetNode().mUpdateSizeHint, &SceneGraph::TransformManagerPropertyHandler<Vector3>::Bake, Vector3(updateSizeHint.width, updateSizeHint.height, 0.f ) );
 }
 
-const Vector2 Actor::GetUpdateSizeHint() const
+Vector2 Actor::GetUpdateSizeHint() const
 {
   // node is being used in a separate thread; copy the value from the previous update
   Vector3 updateSizeHint = GetNode().GetUpdateSizeHint( GetEventThreadServices().GetEventBufferIndex() );