Max Katz
3 years ago
committed by
GitHub
GitHub
56 changed files with 65 additions and 169 deletions
@ -1,6 +0,0 @@ |
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namespace Avalonia.Platform.Storage; |
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public class NameCollisionOption |
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{ |
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} |
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@ -1,50 +0,0 @@ |
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using System; |
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using System.Diagnostics; |
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using System.Globalization; |
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using Avalonia.Media; |
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namespace Avalonia.Rendering |
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{ |
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public class RendererBase |
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{ |
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private readonly bool _useManualFpsCounting; |
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private static int s_fontSize = 18; |
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private readonly Stopwatch _stopwatch = Stopwatch.StartNew(); |
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private int _framesThisSecond; |
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private int _fps; |
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private TimeSpan _lastFpsUpdate; |
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public RendererBase(bool useManualFpsCounting = false) |
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{ |
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_useManualFpsCounting = useManualFpsCounting; |
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} |
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protected void FpsTick() => _framesThisSecond++; |
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protected void RenderFps(DrawingContext context, Rect clientRect, int? layerCount) |
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{ |
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var now = _stopwatch.Elapsed; |
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var elapsed = now - _lastFpsUpdate; |
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if (!_useManualFpsCounting) |
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++_framesThisSecond; |
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if (elapsed.TotalSeconds > 1) |
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{ |
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_fps = (int)(_framesThisSecond / elapsed.TotalSeconds); |
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_framesThisSecond = 0; |
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_lastFpsUpdate = now; |
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} |
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var text = layerCount.HasValue ? FormattableString.Invariant($"Layers: {layerCount} FPS: {_fps:000}") : FormattableString.Invariant($"FPS: {_fps:000}"); |
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var formattedText = new FormattedText(text, CultureInfo.CurrentCulture, FlowDirection.LeftToRight, Typeface.Default, s_fontSize, Brushes.White); |
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var rect = new Rect(clientRect.Right - formattedText.Width, 0, formattedText.Width, formattedText.Height); |
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context.DrawRectangle(Brushes.Black, null, rect); |
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context.DrawText(formattedText, rect.TopLeft); |
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} |
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} |
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} |
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@ -1,49 +0,0 @@ |
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using System; |
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using Avalonia.Threading; |
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namespace Avalonia.Utilities |
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{ |
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public class WeakTimer |
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{ |
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public interface IWeakTimerSubscriber |
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{ |
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bool Tick(); |
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} |
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private readonly WeakReference<IWeakTimerSubscriber> _subscriber; |
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private DispatcherTimer _timer; |
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public WeakTimer(IWeakTimerSubscriber subscriber) |
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{ |
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_subscriber = new WeakReference<IWeakTimerSubscriber>(subscriber); |
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_timer = new DispatcherTimer(); |
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_timer.Tick += delegate { OnTick(); }; |
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} |
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private void OnTick() |
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{ |
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if (!_subscriber.TryGetTarget(out var subscriber) || !subscriber.Tick()) |
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Stop(); |
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} |
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public TimeSpan Interval |
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{ |
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get { return _timer.Interval; } |
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set { _timer.Interval = value; } |
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} |
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public void Start() => _timer.Start(); |
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public void Stop() => _timer.Stop(); |
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public static WeakTimer StartWeakTimer(IWeakTimerSubscriber subscriber, TimeSpan interval) |
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{ |
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var timer = new WeakTimer(subscriber) {Interval = interval}; |
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timer.Start(); |
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return timer; |
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} |
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} |
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} |
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