/*
- * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2018 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.
if( mVisual )
{
- Extents margin;
- margin = Self().GetProperty<Extents>( Toolkit::Control::Property::MARGIN );
+ Property::Map transformMap = Property::Map();
- Extents padding;
- padding = Self().GetProperty<Extents>( Toolkit::Control::Property::PADDING );
+ Extents padding = Self().GetProperty<Extents>( Toolkit::Control::Property::PADDING );
- Property::Map transformMap = Property::Map();
+ Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(
+ Self().GetProperty( Dali::Actor::Property::LAYOUT_DIRECTION ).Get<int>() );
- if( ( padding.start != 0 ) || ( padding.end != 0 ) || ( padding.top != 0 ) || ( padding.bottom != 0 ) ||
- ( margin.start != 0 ) || ( margin.end != 0 ) || ( margin.top != 0 ) || ( margin.bottom != 0 ) )
+ if( Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection )
{
- transformMap.Add( Toolkit::Visual::Transform::Property::OFFSET, Vector2( margin.start + padding.start, margin.top + padding.top ) )
- .Add( Toolkit::Visual::Transform::Property::OFFSET_POLICY, Vector2( Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE ) )
- .Add( Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN )
- .Add( Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::TOP_BEGIN );
+ std::swap( padding.start, padding.end );
}
+ auto finalOffset = Vector2( padding.start, padding.top );
+
+ // remove padding from the size to know how much is left for the visual
+ auto finalSize = size - Vector2( padding.start + padding.end, padding.top + padding.bottom );
+
// Should provide a transform that handles aspect ratio according to image size
+ if( Toolkit::GetImplementation(mVisual).GetFittingMode() == Visual::FittingMode::FIT_KEEP_ASPECT_RATIO )
+ {
+ auto availableVisualSize = finalSize;
+
+ Vector2 naturalSize;
+ mVisual.GetNaturalSize( naturalSize );
+
+ // scale to fit the padded area
+ finalSize = naturalSize * std::min( ( naturalSize.width ? ( availableVisualSize.width / naturalSize.width ) : 0 ),
+ ( naturalSize.height ? ( availableVisualSize.height / naturalSize.height ) : 0 ) );
+
+ // calculate final offset within the padded area
+ finalOffset += ( availableVisualSize - finalSize ) * .5f;
+ }
+
+ // populate the transform map
+ transformMap.Add( Toolkit::Visual::Transform::Property::OFFSET, finalOffset )
+ .Add( Toolkit::Visual::Transform::Property::OFFSET_POLICY,
+ Vector2( Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE ) )
+ .Add( Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN )
+ .Add( Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::TOP_BEGIN )
+ .Add( Toolkit::Visual::Transform::Property::SIZE, finalSize )
+ .Add( Toolkit::Visual::Transform::Property::SIZE_POLICY,
+ Vector2( Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE ) );
+
mVisual.SetTransformAndSize( transformMap, size );
}
}