public static void DrawBackground(this SKCanvas canvas, SKRect rect, bool inset, double offsetX, double offsetY, double blurRadius, double spreadRadius, Xamarin.Forms.Color color)
{
Console.WriteLine($"shadow rect = {rect}, {offsetX}, {offsetY}");
using (var paint = new SKPaint())
{
paint.Color = SKColors.Blue;
paint.ImageFilter = SKImageFilter.CreateDropShadow(
(float)offsetX,
(float)offsetY,
(float)blurRadius,
(float)blurRadius,
color.ToSK(),
SKDropShadowImageFilterShadowMode.DrawShadowAndForeground);
rect.Inflate((float)spreadRadius, (float)spreadRadius);
canvas.DrawRect(rect, paint);
}
}
public static void DrawBackground(this SKCanvas canvas, SKRect rect, double width, LineStyle style, Xamarin.Forms.Color color, BorderRadius round)
{
if (width == 0)
{
return;
}
using (var paint = new SKPaint())
{
paint.Style = SKPaintStyle.Stroke;
paint.StrokeWidth = (float)width;
paint.Color = color.ToSK();
//paint.PathEffect = border.Style.ToSK();
var half = (float)(width / 2);
rect.Left -= half;
rect.Top -= half;
rect.Right += half;
rect.Bottom += half;
float x = round.Horizontal != null ? (float)(round.Horizontal is IRelativeNumber rx ? rx.RelateTo(rect.Width) : round.Horizontal.Value) : 0;
float y = round.Vertical != null ? (float)(round.Vertical is IRelativeNumber ry ? ry.RelateTo(rect.Height) : round.Vertical.Value) : 0;
canvas.DrawRoundRect(rect, new SKSize(x, y), paint);
}
}
