protected override void OnDraw(Android.Graphics.Canvas canvas)
{
var linearGradient = new Styles.Color.LinearGradient(
new IRgb[] { ColorSwatches.FlatMint, ColorSwatches.FlatBlue },
45
);
var radialGradient = new Styles.Color.RadialGradient(
new IRgb[] { ColorSwatches.FlatMint, ColorSwatches.FlatBlue },
.5f, .5f
);
var ellipticalGradient = new EllipticalGradient(
new IRgb[] { ColorSwatches.FlatMint, ColorSwatches.FlatBlue, ColorSwatches.DeepPurple },
.5f, .5f
);
ellipticalGradient.SetScale(1f, 2f);
ellipticalGradient.Rotation = 45;
var bounds = canvas.ClipBounds;
var shader = ellipticalGradient.Draw(new RectF(bounds.Left, bounds.Top, bounds.Right, bounds.Bottom));
var paint = new Paint();
paint.SetShader(shader);
canvas.DrawPaint(paint);
}
public static Shader Draw(this RadialGradient target, PointF position, float radius)
{
target.Update();
var grad = new Android.Graphics.RadialGradient(
position.X, position.Y, radius,
target.Colors.ToInt(),
target.Locations,
Shader.TileMode.Clamp
);
return(grad);
}
public GradientLayer(RadialGradient gradient)
{
this.radialGradient = gradient;
Type = GradientType.Radial;
Initalize();
}
public GradientView(RadialGradient gradient)
{
this.radialGradient = gradient;
Type = GradientType.Radial;
BackgroundColor = UIColor.Clear;
}