diff --git a/src/Artemis.Core/RGB.NET/SKTexture.cs b/src/Artemis.Core/RGB.NET/SKTexture.cs
index c117b9b11..1242f93e7 100644
--- a/src/Artemis.Core/RGB.NET/SKTexture.cs
+++ b/src/Artemis.Core/RGB.NET/SKTexture.cs
@@ -2,7 +2,6 @@
using System.Collections.Generic;
using Artemis.Core.SkiaSharp;
using HPPH;
-using HPPH.SkiaSharp;
using RGB.NET.Core;
using RGB.NET.Presets.Extensions;
using SkiaSharp;
@@ -25,6 +24,7 @@ public sealed class SKTexture : ITexture, IDisposable
Surface = graphicsContext == null
? SKSurface.Create(ImageInfo)
: SKSurface.Create(graphicsContext.GraphicsContext, true, ImageInfo);
+ _readback = new SKBitmap(new SKImageInfo(width, height, SKColorType.Bgra8888, SKAlphaType.Unpremul));
foreach (ArtemisDevice artemisDevice in devices)
{
@@ -57,14 +57,52 @@ public sealed class SKTexture : ITexture, IDisposable
internal Color GetColorAtRenderTarget(in RenderTarget renderTarget)
{
- if (_image == null) return Color.Transparent;
+ if (!_hasPixels) return Color.Transparent;
SKRectI skRectI = _ledRects[renderTarget.Led];
if (skRectI.Width <= 0 || skRectI.Height <= 0)
return Color.Transparent;
- return _image[skRectI.Left, skRectI.Top, skRectI.Width, skRectI.Height].Average().ToColor();
+ return AveragePixels(_readback, skRectI);
+ }
+
+ internal static unsafe Color AveragePixels(SKBitmap bitmap, SKRectI rectangle)
+ {
+ int left = Math.Max(0, rectangle.Left);
+ int top = Math.Max(0, rectangle.Top);
+ int right = Math.Min(bitmap.Width, rectangle.Right);
+ int bottom = Math.Min(bitmap.Height, rectangle.Bottom);
+ if (left >= right || top >= bottom)
+ return Color.Transparent;
+
+ byte* pixels = (byte*)bitmap.GetPixels().ToPointer();
+ if (pixels == null)
+ return Color.Transparent;
+
+ long blue = 0;
+ long green = 0;
+ long red = 0;
+ long alpha = 0;
+ int rowBytes = bitmap.RowBytes;
+ for (int y = top; y < bottom; y++)
+ {
+ byte* pixel = pixels + y * rowBytes + left * 4;
+ for (int x = left; x < right; x++, pixel += 4)
+ {
+ blue += pixel[0];
+ green += pixel[1];
+ red += pixel[2];
+ alpha += pixel[3];
+ }
+ }
+
+ float count = (right - left) * (bottom - top);
+ return new ColorBGRA(
+ (byte)MathF.Round(blue / count),
+ (byte)MathF.Round(green / count),
+ (byte)MathF.Round(red / count),
+ (byte)MathF.Round(alpha / count)).ToColor();
}
///
@@ -76,6 +114,7 @@ public sealed class SKTexture : ITexture, IDisposable
///
public void Dispose()
{
+ _readback.Dispose();
Surface.Dispose();
GC.SuppressFinalize(this);
}
@@ -92,15 +131,15 @@ public sealed class SKTexture : ITexture, IDisposable
internal void CopyPixelData()
{
- using SKImage skImage = Surface.Snapshot();
- _image = skImage.ToImage();
+ _hasPixels = Surface.ReadPixels(_readback.Info, _readback.GetPixels(), _readback.RowBytes, 0, 0);
}
#endregion
#region Properties & Fields
- private IImage? _image;
+ private readonly SKBitmap _readback;
+ private bool _hasPixels;
private readonly Dictionary _ledRects = [];
///
@@ -132,4 +171,4 @@ public sealed class SKTexture : ITexture, IDisposable
public bool IsInvalid { get; private set; }
#endregion
-}
\ No newline at end of file
+}