/*
- * 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.
}
}
+void ImageView::OnStageConnection( int depth )
+{
+ if( mImage )
+ {
+ mImage.UploadedSignal().Emit( mImage );
+ }
+
+ Dali::ResourceImage resourceImage = Dali::ResourceImage::DownCast( mImage );
+ if( resourceImage )
+ {
+ resourceImage.LoadingFinishedSignal().Emit( resourceImage );
+ }
+
+ Control::OnStageConnection( depth ); // Enabled visuals will be put on stage
+}
+
Vector3 ImageView::GetNaturalSize()
{
if( mVisual )
if( mVisual )
{
+ Property::Map transformMap = Property::Map();
+
Extents padding;
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 ) )
+ if( Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection )
{
- transformMap.Add( Toolkit::Visual::Transform::Property::OFFSET, Vector2( padding.start, 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 );
}
+ // remove padding from the size to know how much is left for the visual
+ auto paddedSize = size - Vector2( padding.start + padding.end, padding.top + padding.bottom );
+
+ Vector2 naturalSize;
+ mVisual.GetNaturalSize( naturalSize );
+
+ // scale to fit the padded area
+ auto finalSize =
+ naturalSize * std::min( ( naturalSize.width ? ( paddedSize.width / naturalSize.width ) : 0 ),
+ ( naturalSize.height ? ( paddedSize.height / naturalSize.height ) : 0 ) );
+
+ // calculate final offset within the padded area
+ auto finalOffset = Vector2( padding.start, padding.top ) + ( paddedSize - finalSize ) * .5f;
+
+ // When set the margin on ImageView, the visual should be repositioned.
+ Extents margin = Self().GetProperty<Extents>( Toolkit::Control::Property::MARGIN );
+ if( ( margin.start != 0 ) || ( margin.end != 0 ) || ( margin.top != 0 ) || ( margin.bottom != 0 ) )
+ {
+ if( Self().GetCurrentAnchorPoint() != AnchorPoint::CENTER )
+ {
+ finalOffset.x += margin.start;
+ finalOffset.y += margin.top;
+ }
+ }
+
+ // 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 ) );
+
// Should provide a transform that handles aspect ratio according to image size
mVisual.SetTransformAndSize( transformMap, size );
}