+ case Visual::FittingMode::FIT_KEEP_ASPECT_RATIO:
+ {
+ auto availableVisualSize = finalSize;
+
+ // 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::SIZE, finalSize );
+ break;
+ }
+ case Visual::FittingMode::OVER_FIT_KEEP_ASPECT_RATIO:
+ {
+ mImageViewPixelAreaSetByFittingMode = true;
+ auto availableVisualSize = finalSize;
+ finalSize = naturalSize * std::max( ( naturalSize.width ? ( availableVisualSize.width / naturalSize.width ) : 0 ),
+ ( naturalSize.height ? ( availableVisualSize.height / naturalSize.height ) : 0 ) );
+
+ auto originalOffset = finalOffset;
+ finalOffset += ( availableVisualSize - finalSize ) * .5f;
+
+ float x = abs( (availableVisualSize.width - finalSize.width ) / finalSize.width )* .5f;
+ float y = abs( (availableVisualSize.height - finalSize.height ) / finalSize.height ) * .5f;
+ float widthRatio = 1.f - abs( (availableVisualSize.width - finalSize.width ) / finalSize.width );
+ float heightRatio = 1.f - abs( (availableVisualSize.height - finalSize.height ) / finalSize.height );
+ Vector4 pixelArea = Vector4( x, y, widthRatio, heightRatio);
+ Self().SetProperty( Toolkit::ImageView::Property::PIXEL_AREA, pixelArea );
+
+ // populate the transform map
+ transformMap.Add( Toolkit::Visual::Transform::Property::OFFSET, originalOffset )
+ .Add( Toolkit::Visual::Transform::Property::SIZE, availableVisualSize );
+ break;
+ }
+ case Visual::FittingMode::CENTER:
+ {
+ auto availableVisualSize = finalSize;
+ if( availableVisualSize.width > naturalSize.width && availableVisualSize.height > naturalSize.height )
+ {
+ finalSize = naturalSize;
+ }
+ else
+ {
+ finalSize = naturalSize * std::min( ( naturalSize.width ? ( availableVisualSize.width / naturalSize.width ) : 0 ),
+ ( naturalSize.height ? ( availableVisualSize.height / naturalSize.height ) : 0 ) );
+ }
+
+ finalOffset += ( availableVisualSize - finalSize ) * .5f;
+
+ // populate the transform map
+ transformMap.Add( Toolkit::Visual::Transform::Property::OFFSET, finalOffset )
+ .Add( Toolkit::Visual::Transform::Property::SIZE, finalSize );
+ break;
+ }
+ case Visual::FittingMode::FILL:
+ {
+ transformMap.Add( Toolkit::Visual::Transform::Property::OFFSET, finalOffset )
+ .Add( Toolkit::Visual::Transform::Property::SIZE, finalSize );
+ break;
+ }
+ case Visual::FittingMode::FIT_WIDTH:
+ case Visual::FittingMode::FIT_HEIGHT:
+ {
+ // This FittingMode already converted
+ break;
+ }