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* Update * 调整播放器操作逻辑，避免关闭Flyout时暂停视频
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206
src/Desktop/BiliCopilot.UI/Extensions/BlurCanvasEffect.cs
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| // Copyright (c) Bili Copilot. All rights reserved. | ||
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| // 源自 https://learn.microsoft.com/zh-cn/windows/apps/develop/win2d/custom-effects#custom-effects-in-c-using-computesharp | ||
| using System.Numerics; | ||
| using ComputeSharp; | ||
| using ComputeSharp.D2D1; | ||
| using ComputeSharp.D2D1.WinUI; | ||
| using Microsoft.Graphics.Canvas.Effects; | ||
| using Microsoft.UI; | ||
| using Windows.Graphics.Effects; | ||
| using Windows.UI; | ||
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| namespace Richasy.WinUI.Share.Effects; | ||
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| /// <summary> | ||
| /// 图像表面模糊的效果. | ||
| /// </summary> | ||
| public sealed partial class BlurCanvasEffect : CanvasEffect | ||
| { | ||
| private static readonly CanvasEffectNode<BorderEffect> _borderNode = new(); | ||
| private static readonly CanvasEffectNode<ScaleEffect> _scaleNode = new(); | ||
| private static readonly CanvasEffectNode<GaussianBlurEffect> _gaussianBlurNode = new(); | ||
| private static readonly CanvasEffectNode<TintEffect> _tintNode = new(); | ||
| private static readonly CanvasEffectNode<PixelShaderEffect<CrossFadeShader>> _crossFadeNode = new(); | ||
| private static readonly CanvasEffectNode<PixelShaderEffect<NoiseShader>> _noiseNode = new(); | ||
| private static readonly CanvasEffectNode<BlendEffect> _blendNode = new(); | ||
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| private IGraphicsEffectSource _source; | ||
| private float _blurAmount; | ||
| private Color _tintColor = Colors.White; | ||
| private int _crossfadeVerticalOffset; | ||
| private int _crossfadeVerticalLength; | ||
| private Rect _sourceRectangle; | ||
| private Rect _destinationRectangle; | ||
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| /// <summary> | ||
| /// 图像源. | ||
| /// </summary> | ||
| public IGraphicsEffectSource Source | ||
| { | ||
| get => _source; | ||
| set => SetPropertyAndInvalidateEffectGraph(ref _source, value); | ||
| } | ||
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| /// <summary> | ||
| /// 模糊强度. | ||
| /// </summary> | ||
| public float BlurAmount | ||
| { | ||
| get => _blurAmount; | ||
| set => SetPropertyAndInvalidateEffectGraph(ref _blurAmount, value); | ||
| } | ||
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| /// <summary> | ||
| /// 模糊表面颜色. | ||
| /// </summary> | ||
| public Color TintColor | ||
| { | ||
| get => _tintColor; | ||
| set => SetPropertyAndInvalidateEffectGraph(ref _tintColor, value); | ||
| } | ||
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| /// <summary> | ||
| /// 交错偏移. | ||
| /// </summary> | ||
| public int CrossfadeVerticalOffset | ||
| { | ||
| get => _crossfadeVerticalOffset; | ||
| set => SetPropertyAndInvalidateEffectGraph(ref _crossfadeVerticalOffset, value); | ||
| } | ||
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| /// <summary> | ||
| /// 交错长度. | ||
| /// </summary> | ||
| public int CrossfadeVerticalLength | ||
| { | ||
| get => _crossfadeVerticalLength; | ||
| set => SetPropertyAndInvalidateEffectGraph(ref _crossfadeVerticalLength, value); | ||
| } | ||
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| /// <summary> | ||
| /// 源矩形. | ||
| /// </summary> | ||
| public Rect SourceRectangle | ||
| { | ||
| get => _sourceRectangle; | ||
| set => SetPropertyAndInvalidateEffectGraph(ref _sourceRectangle, value); | ||
| } | ||
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| /// <summary> | ||
| /// 目标矩形. | ||
| /// </summary> | ||
| public Rect DestinationRectangle | ||
| { | ||
| get => _destinationRectangle; | ||
| set => SetPropertyAndInvalidateEffectGraph(ref _destinationRectangle, value); | ||
| } | ||
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| /// <inheritdoc/> | ||
| protected override void BuildEffectGraph(CanvasEffectGraph effectGraph) | ||
| { | ||
| BorderEffect borderEffect = new() { ExtendY = Microsoft.Graphics.Canvas.CanvasEdgeBehavior.Mirror }; | ||
| ScaleEffect scaleEffect = new(); | ||
| GaussianBlurEffect gaussianBlurEffect = new() { Optimization = EffectOptimization.Speed, BorderMode = EffectBorderMode.Hard }; | ||
| TintEffect tintEffect = new(); | ||
| BlendEffect blendEffect = new() { Mode = BlendEffectMode.Luminosity }; | ||
| PremultiplyEffect noisePremultiplyEffect = new(); | ||
| PremultiplyEffect finalPremultiplyEffect = new(); | ||
| UnPremultiplyEffect unPremultiplyEffect1 = new(); | ||
| UnPremultiplyEffect unPremultiplyEffect2 = new(); | ||
| PixelShaderEffect<CrossFadeShader> crossFadeEffect = new(); | ||
| PixelShaderEffect<NoiseShader> noiseEffect = new(); | ||
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| scaleEffect.Source = borderEffect; | ||
| gaussianBlurEffect.Source = scaleEffect; | ||
| tintEffect.Source = gaussianBlurEffect; | ||
| noisePremultiplyEffect.Source = noiseEffect; | ||
| blendEffect.Foreground = noisePremultiplyEffect; | ||
| blendEffect.Background = tintEffect; | ||
| unPremultiplyEffect1.Source = scaleEffect; | ||
| unPremultiplyEffect2.Source = blendEffect; | ||
| crossFadeEffect.Sources[0] = unPremultiplyEffect1; | ||
| crossFadeEffect.Sources[1] = unPremultiplyEffect2; | ||
| finalPremultiplyEffect.Source = crossFadeEffect; | ||
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| effectGraph.RegisterNode(_noiseNode, noiseEffect); | ||
| effectGraph.RegisterNode(_borderNode, borderEffect); | ||
| effectGraph.RegisterNode(_scaleNode, scaleEffect); | ||
| effectGraph.RegisterNode(_gaussianBlurNode, gaussianBlurEffect); | ||
| effectGraph.RegisterNode(_tintNode, tintEffect); | ||
| effectGraph.RegisterNode(_blendNode, blendEffect); | ||
| effectGraph.RegisterNode(_crossFadeNode, crossFadeEffect); | ||
| effectGraph.RegisterNode(finalPremultiplyEffect); | ||
| effectGraph.RegisterNode(unPremultiplyEffect1); | ||
| effectGraph.RegisterNode(unPremultiplyEffect2); | ||
| } | ||
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| /// <inheritdoc/> | ||
| protected override void ConfigureEffectGraph(CanvasEffectGraph effectGraph) | ||
| { | ||
| effectGraph.GetNode(_noiseNode).ConstantBuffer = new NoiseShader(0.1f); | ||
| effectGraph.GetNode(_borderNode).Source = _source; | ||
| effectGraph.GetNode(_scaleNode).Scale = new Vector2((float)_destinationRectangle.Width / (float)_sourceRectangle.Width); | ||
| effectGraph.GetNode(_gaussianBlurNode).BlurAmount = _blurAmount; | ||
| effectGraph.GetNode(_tintNode).Color = _tintColor; | ||
| effectGraph.GetNode(_crossFadeNode).ConstantBuffer = new CrossFadeShader(_crossfadeVerticalOffset, _crossfadeVerticalLength); | ||
| effectGraph.SetOutputNode(_crossFadeNode); | ||
| } | ||
| } | ||
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| /// <summary> | ||
| /// 噪声着色器. | ||
| /// </summary> | ||
| [D2DInputCount(0)] | ||
| [D2DRequiresScenePosition] | ||
| [D2DShaderProfile(D2D1ShaderProfile.PixelShader40)] | ||
| [D2DGeneratedPixelShaderDescriptor] | ||
| public readonly partial struct NoiseShader(float amount) : ID2D1PixelShader | ||
| { | ||
| /// <inheritdoc/> | ||
| public float4 Execute() | ||
| { | ||
| var position = (int2)D2D.GetScenePosition().XY; | ||
| var hash = Hlsl.Frac(Hlsl.Sin(Hlsl.Dot(position, new float2(41, 289))) * 45758.5453f); | ||
| var alpha = Hlsl.Lerp(0, amount, hash); | ||
| return new(0, 0, 0, alpha); | ||
| } | ||
| } | ||
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| /// <summary> | ||
| /// 交错着色器. | ||
| /// </summary> | ||
| [D2DInputCount(2)] | ||
| [D2DInputSimple(0)] | ||
| [D2DInputSimple(1)] | ||
| [D2DInputDescription(0, D2D1Filter.MinMagMipPoint)] | ||
| [D2DInputDescription(1, D2D1Filter.MinMagMipPoint)] | ||
| [D2DPixelOptions(D2D1PixelOptions.TrivialSampling)] | ||
| [D2DRequiresScenePosition] | ||
| [D2DShaderProfile(D2D1ShaderProfile.PixelShader40)] | ||
| [D2DGeneratedPixelShaderDescriptor] | ||
| public readonly partial struct CrossFadeShader : ID2D1PixelShader | ||
| { | ||
| private readonly int _offsetStartY; | ||
| private readonly int _offsetLengthY; | ||
|
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| /// <summary> | ||
| /// Initializes a new instance of the <see cref="CrossFadeShader"/> struct. | ||
| /// </summary> | ||
| public CrossFadeShader(int offsetStartY, int offsetLengthY) | ||
| { | ||
| _offsetStartY = offsetStartY; | ||
| _offsetLengthY = offsetLengthY; | ||
| } | ||
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| /// <inheritdoc/> | ||
| public float4 Execute() | ||
| { | ||
| var offsetY = (int)D2D.GetScenePosition().Y; | ||
| var factor = Hlsl.Saturate((offsetY - _offsetStartY) / (float)_offsetLengthY); | ||
| var easing = Hlsl.Sin(factor * 1.57f); | ||
| var blend = Hlsl.Lerp(D2D.GetInput(0).XYZ, D2D.GetInput(1).XYZ, easing); | ||
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| return new(blend, 1); | ||
| } | ||
| } |
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Submodule WinUI.Share
updated
3 files
| +2 −1 | Directory.Packages.props | |
| +0 −207 | src/Effects/BlurCanvasEffect.cs | |
| +4 −9 | src/Richasy.WinUI.Share.csproj |