private void _skiaView_PaintSurface(object sender, SKPaintGLSurfaceEventArgs e)
{
Stopwatch renderStopWatch = null;
if (RenderOptions.ShowClipRects)
{
renderStopWatch = Stopwatch.StartNew();
}
e.Surface.Canvas.Clear(new SKColor(Container.BackColor.R, Container.BackColor.G, Container.BackColor.B, Container.BackColor.A));
_root.Measure(new Primitives.Size(Container.ClientSize.Width, Container.ClientSize.Height));
_root.Arrange(new Primitives.Rect(0, 0, Container.ClientSize.Width, Container.ClientSize.Height));
_root.Render(e.Surface.Canvas);
if (renderStopWatch != null)
{
renderStopWatch.Stop();
using (var ptRect = new SkiaSharp.SKPaint()
.ApplyBrush(new SolidColorBrush(new Color(0, 0, 0))))
using (var ptText = new SkiaSharp.SKPaint()
.ApplyBrush(new SolidColorBrush(new Color(255, 255, 255))))
{
e.Surface.Canvas.DrawRect(Container.ClientSize.Width - 50.0f, 0.0f, 100.0f, 10.0f, ptRect);
var elapsedString = renderStopWatch.ElapsedMilliseconds == 0 ? "-" : $"{(1.0 / renderStopWatch.ElapsedMilliseconds * 1000).ToString("##.00", CultureInfo.InvariantCulture)}FPS";
e.Surface.Canvas.DrawText(elapsedString, new SKPoint(Container.ClientSize.Width - 50.0f, 10.0f), ptText);
}
renderStopWatch.Reset();
}
}
private void _skiaView_PaintSurface(object sender, SKPaintSurfaceEventArgs e)
{
Stopwatch renderStopWatch = null;
if (RenderOptions.ShowFrameRate)
{
renderStopWatch = Stopwatch.StartNew();
}
//e.Surface.Canvas.Clear(new SKColor(Container.BackgroundColor.R, Container.BackgroundColor.G, Container.BackgroundColor.B, Container.BackgroundColor.A));
e.Surface.Canvas.Clear(SKColors.White);
using (new SKAutoCanvasRestore(e.Surface.Canvas))
{
var deviceSize = new Primitives.Size(e.Info.Width, e.Info.Height);
var deviceIndSize = new Primitives.Size(_skiaView.Width, _skiaView.Height);
var scaleDpi = new Primitives.Point(e.Info.Width / _skiaView.Width, e.Info.Height / _skiaView.Height);
e.Surface.Canvas.Scale((float)scaleDpi.X, (float)scaleDpi.Y);
_root.Measure(deviceIndSize);
_root.Arrange(new Primitives.Rect(0, 0, deviceIndSize.Width, deviceIndSize.Height));
_root.Render(e.Surface.Canvas);
}
if (renderStopWatch != null)
{
renderStopWatch.Stop();
using (var ptRect = new SkiaSharp.SKPaint()
.ApplyBrush(new SolidColorBrush(new Primitives.Color(0, 0, 0))))
using (var ptText = new SkiaSharp.SKPaint()
.ApplyBrush(new SolidColorBrush(new Primitives.Color(255, 255, 255))))
{
e.Surface.Canvas.DrawRect(e.Info.Width - 50.0f, 0.0f, 100.0f, 10.0f, ptRect);
var elapsedString = renderStopWatch.ElapsedMilliseconds == 0 ? "-" : $"{(1.0 / renderStopWatch.ElapsedMilliseconds * 1000).ToString("##.00", CultureInfo.InvariantCulture)}FPS";
e.Surface.Canvas.DrawText(elapsedString, new SKPoint(e.Info.Width - 50.0f, 10.0f), ptText);
}
renderStopWatch.Reset();
}
}
