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Refactored brushes to perform a multi-pass rendering.

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This allows effects to change the calculated values.
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DarthAffe committed 2016-08-21 18:14:31 +02:00
1 parent ba80ef9848
commit 8d32c73b6d
15 files changed
+159 -97
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Examples/AudioAnalyzer/Example_AudioAnalyzer_full/AudioSpectrumBrush.cs
+4 -4
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@@ -28,17 +28,17 @@ namespace Example_AudioAnalyzer_full
#region Methods
public override Color GetColorAtPoint(RectangleF rectangle, PointF point)
protected override Color GetColorAtPoint(RectangleF rectangle, BrushRenderTarget renderTarget)
{
if (_soundDataProcessor?.BarValues == null) return Color.Transparent;
// This logic is also stolen from AterialDawn
int barSampleIndex = (int)Math.Floor(_soundDataProcessor.BarValues.Length * (point.X / (rectangle.X + rectangle.Width))); // Calculate bar sampling index
int barSampleIndex = (int)Math.Floor(_soundDataProcessor.BarValues.Length * (renderTarget.Point.X / (rectangle.X + rectangle.Width))); // Calculate bar sampling index
float curBarHeight = 1f - Utility.Clamp(_soundDataProcessor.BarValues[barSampleIndex], 0f, 1f); // Invert this value since the keyboard is laid out with topleft being point 0,0
float verticalPos = (point.Y / rectangle.Height);
float verticalPos = (renderTarget.Point.Y / rectangle.Height);
// If the barHeight is lower than the vertical pos currently calculated return the brush value. Otherwise do nothing by returning transparent.
return curBarHeight <= verticalPos ? base.GetColorAtPoint(rectangle, point) : Color.Transparent;
return curBarHeight <= verticalPos ? base.GetColorAtPoint(rectangle, renderTarget) : Color.Transparent;
}
#endregion