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[Tizen] Change tizen graphics backend engine (#2225)
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2 changes: 1 addition & 1 deletion
2
...e/SkiaSharp.Views.Maui/SkiaSharp.Views.Maui.Core/Platform/Tizen/SKCanvasViewExtensions.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| using SkiaSharp.Views.Tizen; | ||
| using SkiaSharp.Views.Tizen.NUI; | ||
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| namespace SkiaSharp.Views.Maui.Platform | ||
| { | ||
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79 changes: 79 additions & 0 deletions
79
source/SkiaSharp.Views.Maui/SkiaSharp.Views.Maui.Core/Platform/Tizen/SKTouchHandler.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| #nullable enable | ||
| using System; | ||
| using Tizen.NUI; | ||
| using NView = Tizen.NUI.BaseComponents.View; | ||
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| #if __MAUI__ | ||
| namespace SkiaSharp.Views.Maui.Platform | ||
| #else | ||
| namespace SkiaSharp.Views.Forms | ||
| #endif | ||
| { | ||
| internal class SKTouchHandler | ||
| { | ||
| private Action<SKTouchEventArgs>? onTouchAction; | ||
| private Func<double, double, SKPoint>? scalePixels; | ||
| private bool touchEnabled; | ||
| private int currentId = 0; | ||
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| public SKTouchHandler(Action<SKTouchEventArgs> onTouchAction, Func<double, double, SKPoint> scalePixels) | ||
| { | ||
| this.onTouchAction = onTouchAction; | ||
| this.scalePixels = scalePixels; | ||
| } | ||
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| public void SetEnabled(NView view, bool enableTouchEvents) | ||
| { | ||
| if (view != null) | ||
| { | ||
| if (touchEnabled != enableTouchEvents) | ||
| { | ||
| if (enableTouchEvents) | ||
| { | ||
| view.TouchEvent += OnTouchEvent; | ||
| } | ||
| else | ||
| { | ||
| view.TouchEvent -= OnTouchEvent; | ||
| } | ||
| touchEnabled = enableTouchEvents; | ||
| } | ||
| } | ||
| } | ||
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| bool OnTouchEvent(object source, NView.TouchEventArgs e) | ||
| { | ||
| var pos = e.Touch.GetLocalPosition(0); | ||
| var action = ToTouchAction(e.Touch.GetState(0)); | ||
| if (action == SKTouchAction.Pressed) | ||
| { | ||
| currentId++; | ||
| } | ||
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| var coords = scalePixels?.Invoke(pos.X, pos.Y) ?? new SKPoint(pos.X, pos.Y); | ||
| var inContact = (action == SKTouchAction.Pressed || action == SKTouchAction.Moved) ? true : false; | ||
| onTouchAction?.Invoke(new SKTouchEventArgs(currentId, action, coords, inContact)); | ||
| return true; | ||
| } | ||
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| public void Detach(NView view) | ||
| { | ||
| // clean the view | ||
| SetEnabled(view, false); | ||
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| // remove references | ||
| onTouchAction = null; | ||
| scalePixels = null; | ||
| } | ||
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| private static SKTouchAction ToTouchAction(PointStateType state) => state switch | ||
| { | ||
| PointStateType.Down => SKTouchAction.Pressed, | ||
| PointStateType.Up => SKTouchAction.Released, | ||
| PointStateType.Motion => SKTouchAction.Moved, | ||
| PointStateType.Leave => SKTouchAction.Exited, | ||
| PointStateType.Interrupted => SKTouchAction.Cancelled, | ||
| _ => SKTouchAction.Cancelled, | ||
| }; | ||
| } | ||
| } |
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70 changes: 70 additions & 0 deletions
70
source/SkiaSharp.Views/SkiaSharp.Views.Tizen/CustomRenderingView.nui.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| using System; | ||
| using System.Threading; | ||
| using Tizen.NUI; | ||
| using NImageView = Tizen.NUI.BaseComponents.ImageView; | ||
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| namespace SkiaSharp.Views.Tizen.NUI | ||
| { | ||
| public abstract class CustomRenderingView : NImageView | ||
| { | ||
| bool _redrawRequest; | ||
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| protected SynchronizationContext MainloopContext { get; } | ||
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| protected CustomRenderingView() | ||
| { | ||
| Layout = new CustomLayout | ||
| { | ||
| SizeUpdated = OnResized | ||
| }; | ||
| MainloopContext = SynchronizationContext.Current ?? throw new InvalidOperationException("Must create on main thread"); | ||
| } | ||
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| public event EventHandler<SKPaintSurfaceEventArgs>? PaintSurface; | ||
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| public void Invalidate() | ||
| { | ||
| if (!_redrawRequest) | ||
| { | ||
| _redrawRequest = true; | ||
| MainloopContext.Post((s) => | ||
| { | ||
| _redrawRequest = false; | ||
| if (!Disposed) | ||
| { | ||
| OnDrawFrame(); | ||
| } | ||
| }, null); | ||
| } | ||
| } | ||
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| protected abstract void OnResized(); | ||
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| protected abstract void OnDrawFrame(); | ||
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| protected void SendPaintSurface(SKPaintSurfaceEventArgs e) | ||
| { | ||
| PaintSurface?.Invoke(this, e); | ||
| } | ||
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| class CustomLayout : AbsoluteLayout | ||
| { | ||
| float _width; | ||
| float _height; | ||
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| public Action? SizeUpdated { get; set; } | ||
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| protected override void OnLayout(bool changed, LayoutLength left, LayoutLength top, LayoutLength right, LayoutLength bottom) | ||
| { | ||
| var sizeChanged = _width != Owner.SizeWidth || _height != Owner.SizeHeight; | ||
| _width = Owner.SizeWidth; | ||
| _height = Owner.SizeHeight; | ||
| if (sizeChanged) | ||
| { | ||
| SizeUpdated?.Invoke(); | ||
| } | ||
| base.OnLayout(changed, left, top, right, bottom); | ||
| } | ||
| } | ||
| } | ||
| } |
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