protected NativeEngineLayer PushOffset(double dx, double dy)
{
SKMatrix sk_matrix = SKMatrix.MakeTranslation((float)dx, (float)dy);
var layer = new TransformLayer();
layer.set_transform(sk_matrix);
PushLayer(layer);
return(NativeEngineLayer.MakeRetained(layer));
}
public NativeEngineLayer PushPhysicalShape(
Path path,
double elevation,
int color,
int shadowColor,
int clipBehavior)
{
SKPath sk_path = path;
var clip_behavior = (Flow.Layers.Clip)clipBehavior;
var layer = new PhysicalShapeLayer(clip_behavior);
layer.set_path(sk_path);
layer.set_elevation((float)elevation);
layer.set_color((uint)color);
layer.set_shadow_color((uint)shadowColor);
// TODO: Pixel Ratio
//layer.set_device_pixel_ratio(UIDartState::Current()->window()->viewport_metrics().device_pixel_ratio);
PushLayer(layer);
return(NativeEngineLayer.MakeRetained(layer));
}
public void AddRetained(NativeEngineLayer retainedLayer)
{
current_layer_?.Add(retainedLayer.Layer);
}
/// Add a retained engine layer subtree from previous frames.
///
/// All the engine layers that are in the subtree of the retained layer will
/// be automatically appended to the current engine layer tree.
///
/// Therefore, when implementing a subclas of the [Layer] concept defined in
/// the rendering layer of Flutter's framework, once this is called, there's
/// no need to call [addToScene] for its children layers.
public NativeEngineLayer addRetained(NativeEngineLayer retainedLayer)
{
// native 'SceneBuilder_addRetained';
return(null); // Tmp to resolve build
}
/// Add a retained engine layer subtree from previous frames.
///
/// All the engine layers that are in the subtree of the retained layer will
/// be automatically appended to the current engine layer tree.
///
/// Therefore, when implementing a subclas of the [Layer] concept defined in
/// the rendering layer of Flutter's framework, once this is called, there's
/// no need to call [addToScene] for its children layers.
public NativeEngineLayer addRetained(NativeEngineLayer retainedLayer)
{
AddRetained(retainedLayer);
return(retainedLayer);
}
