[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 e623464..4fe30fd 100755 (executable)
--- a/dali/internal/event/actors/actor-impl.cpp
+++ b/dali/internal/event/actors/actor-impl.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -4651,12 +4651,16 @@ void Actor::SetPreferredSize( const Vector2& size )
 {
   EnsureRelayoutData();
 
-  if( size.width > 0.0f )
+  // If valid width or height, then set the resize policy to FIXED
+  // A 0 width or height may also be required so if the resize policy has not been changed, i.e. is still set to DEFAULT,
+  // then change to FIXED as well
+
+  if( size.width > 0.0f || GetResizePolicy( Dimension::WIDTH ) == ResizePolicy::DEFAULT )
   {
     SetResizePolicy( ResizePolicy::FIXED, Dimension::WIDTH );
   }
 
-  if( size.height > 0.0f )
+  if( size.height > 0.0f || GetResizePolicy( Dimension::HEIGHT ) == ResizePolicy::DEFAULT )
   {
     SetResizePolicy( ResizePolicy::FIXED, Dimension::HEIGHT );
   }