public WrapperView(EvasObject parent) : base(parent)
{
_drawableCanvas = new Lazy <SkiaGraphicsView>(() =>
{
var view = new SkiaGraphicsView(parent)
{
IgnorePixelScaling = true,
Drawable = new MauiDrawable(),
PassEvents = true
};
view.Show();
Children.Add(view);
view.Lower();
Content?.RaiseTop();
return(view);
});
_clipperView = new Lazy <SKClipperView>(() =>
{
var clipper = new SKClipperView(parent)
{
PassEvents = true
};
clipper.DrawClip += OnClipPaint;
clipper.Show();
clipper.DeviceScalingFactor = (float)DeviceInfo.ScalingFactor;
Children.Add(clipper);
clipper.Lower();
Content?.RaiseTop();
return(clipper);
});
LayoutUpdated += OnLayout;
}
public override void Run(ElmSharp.Box parent)
{
var container = new Canvas(parent)
{
AlignmentX = -1,
AlignmentY = -1,
WeightX = 1,
WeightY = 1,
MinimumHeight = 300,
};
container.Show();
parent.PackEnd(container);
container.LayoutUpdated += (s, e) =>
{
foreach (var child in container.Children)
{
child.Geometry = container.Geometry;
if (child is SKClipperView clip)
{
clip.Invalidate();
}
}
};
var img1 = new Image(parent);
img1.Show();
img1.Load(Application.Current.DirectoryInfo.Resource + "animated.gif");
img1.SetIsAnimationPlaying(true);
var clipper = new SKClipperView(parent);
clipper.Show();
clipper.PaintSurface += (s, e) =>
{
var canvas = e.Surface.Canvas;
var width = e.Info.Width;
var height = e.Info.Height;
using (var paint = new SKPaint
{
IsAntialias = true,
Color = SKColors.White,
Style = SKPaintStyle.Fill,
})
{
canvas.Clear();
canvas.DrawCircle(width / 2.0f, height / 2.0f, Math.Min(width / 2.0f, height / 2.0f) / 2.0f, paint);
}
img1.SetClipperCanvas(clipper);
};
clipper.Lower();
container.Children.Add(img1);
container.Children.Add(clipper);
}
protected override void OnElementChanged(ElementChangedEventArgs <Layout> e)
{
base.OnElementChanged(e);
_clipper = new SKClipperView(Forms.NativeParent);
_clipper.Show();
_clipper.PassEvents = true;
_clipper.PaintSurface += OnCliperPaint;
Control.Children.Add(_clipper);
BackgroundCanvas?.StackAbove(_clipper);
if (!UseShadowClipping)
{
CreateShadowCanvas();
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Layout> e)
{
base.OnElementChanged(e);
_clipper = new SKClipperView(Forms.NativeParent);
_clipper.Show();
_clipper.PassEvents = true;
_clipper.PaintSurface += OnCliperPaint;
Control.Children.Add(_clipper);
BackgroundCanvas?.StackAbove(_clipper);
_shadowCanvasView = new SKCanvasView(Forms.NativeParent);
_shadowCanvasView.Show();
_shadowCanvasView.PassEvents = true;
_shadowCanvasView.PaintSurface += OnShadowPaint;
Control.Children.Add(_shadowCanvasView);
_shadowCanvasView.Lower();
_shadowCanvasView.SetClip(null);
}
