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feat(composition): re-add ArithmeticCompositeEffect + Docs
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src/Uno.UI.Composition/Win2D/Microsoft/Graphics/Canvas/Effects/ArithmeticCompositeEffect.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| #nullable enable | ||
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| using System; | ||
| using System.Collections.Generic; | ||
| using System.Runtime.InteropServices; | ||
| using Windows.Graphics.Effects; | ||
| using Windows.Graphics.Effects.Interop; | ||
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| namespace Microsoft.Graphics.Canvas.Effects | ||
| { | ||
| [Guid("FC151437-049A-4784-A24A-F1C4DAF20987")] | ||
| public class ArithmeticCompositeEffect : ICanvasEffect | ||
| { | ||
| private string _name = "ArithmeticCompositeEffect"; | ||
| private Guid _id = new Guid("FC151437-049A-4784-A24A-F1C4DAF20987"); | ||
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| public string Name | ||
| { | ||
| get => _name; | ||
| set => _name = value; | ||
| } | ||
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| public CanvasBufferPrecision? BufferPrecision { get; set; } | ||
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| public bool CacheOutput { get; set; } | ||
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| public float MultiplyAmount { get; set; } = 1.0f; | ||
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| public float Source1Amount { get; set; } | ||
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| public float Source2Amount { get; set; } | ||
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| public float Offset { get; set; } | ||
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| public bool ClampOutput { get; set; } | ||
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| public IGraphicsEffectSource? Source1 { get; set; } | ||
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| public IGraphicsEffectSource? Source2 { get; set; } | ||
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| public Guid GetEffectId() => _id; | ||
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| public void GetNamedPropertyMapping(string name, out uint index, out GraphicsEffectPropertyMapping mapping) | ||
| { | ||
| switch (name) | ||
| { | ||
| case "MultiplyAmount": | ||
| { | ||
| index = 0; | ||
| mapping = GraphicsEffectPropertyMapping.Direct; | ||
| break; | ||
| } | ||
| case "Source1Amount": | ||
| { | ||
| index = 1; | ||
| mapping = GraphicsEffectPropertyMapping.Direct; | ||
| break; | ||
| } | ||
| case "Source2Amount": | ||
| { | ||
| index = 2; | ||
| mapping = GraphicsEffectPropertyMapping.Direct; | ||
| break; | ||
| } | ||
| case "Offset": | ||
| { | ||
| index = 3; | ||
| mapping = GraphicsEffectPropertyMapping.Direct; | ||
| break; | ||
| } | ||
| case "ClampOutput": | ||
| { | ||
| index = 4; | ||
| mapping = GraphicsEffectPropertyMapping.Direct; | ||
| break; | ||
| } | ||
| default: | ||
| { | ||
| index = 0xFF; | ||
| mapping = (GraphicsEffectPropertyMapping)0xFF; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
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| public object? GetProperty(uint index) | ||
| { | ||
| switch (index) | ||
| { | ||
| case 0: | ||
| return MultiplyAmount; | ||
| case 1: | ||
| return Source1Amount; | ||
| case 2: | ||
| return Source2Amount; | ||
| case 3: | ||
| return Offset; | ||
| case 4: | ||
| return ClampOutput; | ||
| default: | ||
| return null; | ||
| } | ||
| } | ||
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| public uint GetPropertyCount() => 5; | ||
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| public IGraphicsEffectSource? GetSource(uint index) => index is 0 ? Source1 : Source2; | ||
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| public uint GetSourceCount() => 2; | ||
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| public void Dispose() { } | ||
| } | ||
| } |