using SkiaSharp;
// 创建画布并绘制圆形
using (SKCanvas canvas = new SKCanvas(new SKBitmap(200, 200)))
{
    canvas.Clear(SKColors.White);
    SKPaint paint = new SKPaint { Color = SKColors.Blue };
    canvas.DrawCircle(100, 100, 50, paint);
}
using (SKImageInfo info = new SKImageInfo(200, 200))
{
    using (SKData data = canvas.Encode(SKEncodedImageFormat.Png, 100))
    {
        File.WriteAllBytes("output.png", data.ToArray());
    }
}