private static void Render(Canvas target, IViewport viewport, IEnumerable<ILayer> layers,
Color background, bool rasterizing)
{
target.BeginInit();
target.Background = background == null ? null : new XamlMedia.SolidColorBrush {Color = background.ToXaml()};
target.Visibility = Visibility.Collapsed;
foreach (var child in target.Children)
{
(child as Canvas)?.Children.Clear();
}
target.Children.Clear();
layers = layers.ToList();
foreach (var layer in layers)
{
if (!layer.Enabled) continue;
if (layer.MinVisible > viewport.Resolution) continue;
if (layer.MaxVisible < viewport.Resolution) continue;
RenderLayer(target, viewport, layer, rasterizing);
}
target.Arrange(new Rect(0, 0, viewport.Width, viewport.Height));
target.Visibility = Visibility.Visible;
if (DeveloperTools.DeveloperMode)
{
DrawDebugInfo(target, layers);
}
target.EndInit();
}
