Merge pull request #10472 from cvium/dispose_imagefilter

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Bond-009 2023-10-27 12:35:51 +02:00 committed by GitHub
commit ed00d7448b
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@ -23,6 +23,30 @@ public class SkiaEncoder : IImageEncoder
private readonly ILogger<SkiaEncoder> _logger;
private readonly IApplicationPaths _appPaths;
private static readonly SKImageFilter _imageFilter;
#pragma warning disable CA1810
static SkiaEncoder()
#pragma warning restore CA1810
{
var kernel = new[]
{
0, -.1f, 0,
-.1f, 1.4f, -.1f,
0, -.1f, 0,
};
var kernelSize = new SKSizeI(3, 3);
var kernelOffset = new SKPointI(1, 1);
_imageFilter = SKImageFilter.CreateMatrixConvolution(
kernelSize,
kernel,
1f,
0f,
kernelOffset,
SKShaderTileMode.Clamp,
true);
}
/// <summary>
/// Initializes a new instance of the <see cref="SkiaEncoder"/> class.
@ -356,25 +380,7 @@ public class SkiaEncoder : IImageEncoder
IsDither = isDither
};
var kernel = new float[9]
{
0, -.1f, 0,
-.1f, 1.4f, -.1f,
0, -.1f, 0,
};
var kernelSize = new SKSizeI(3, 3);
var kernelOffset = new SKPointI(1, 1);
paint.ImageFilter = SKImageFilter.CreateMatrixConvolution(
kernelSize,
kernel,
1f,
0f,
kernelOffset,
SKShaderTileMode.Clamp,
true);
paint.ImageFilter = _imageFilter;
canvas.DrawBitmap(
source,
SKRect.Create(0, 0, source.Width, source.Height),