+ 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;
+ }