private void Canvas_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
//创建径向渐变画笔的实例;中心将是透明的, 极端不透明的黑色
canvasRadialGradientBrush = new CanvasRadialGradientBrush(sender, Colors.Transparent, Colors.Black);
//加载要绘制的图像。
args.TrackAsyncAction(Task.Run(async() => { image = await CanvasBitmap.LoadAsync(sender, new Uri("ms-appx:///wallhaven-766453.jpg")); }).AsAsyncAction());
}
private void canvas_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
scroller_layout = new CanvasTextLayout(canvas, about, scroller_format, 0.0f, 0.0f);
scrollPos = new Vector2((float)canvas.ActualWidth, 2f /*((float)canvas.ActualHeight / 2) - ((float)scroller_layout.DrawBounds.Height / 2)*/);
tw = (float)canvas.ActualWidth;
// create renderTarget
scrollerTarget = new CanvasRenderTarget(canvas, (float)scroller_layout.LayoutBounds.Width, (float)scroller_layout.LayoutBounds.Height);
using (CanvasDrawingSession drawingSession = scrollerTarget.CreateDrawingSession())
{
drawingSession.Clear(Colors.Transparent);
drawingSession.DrawTextLayout(scroller_layout, new Vector2(0, 0), Colors.White);
}
}
private void prologControl_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
var stops = new CanvasGradientStop[]
{
new CanvasGradientStop()
{
Color = Colors.Transparent, Position = 0.0f
},
new CanvasGradientStop()
{
Color = Color.FromArgb(0xff, 0x53, 0xef, 0xef), Position = 0.1f
},
new CanvasGradientStop()
{
Color = Color.FromArgb(0xff, 0x53, 0xef, 0xef), Position = 0.9f
},
new CanvasGradientStop()
{
Color = Colors.Transparent, Position = 1.0f
}
};
mTextOpacityBrush = new CanvasLinearGradientBrush(sender, stops, CanvasEdgeBehavior.Clamp, CanvasAlphaMode.Premultiplied);
stops = new CanvasGradientStop[]
{
new CanvasGradientStop()
{
Color = Colors.White, Position = 0.0f
},
new CanvasGradientStop()
{
Color = Colors.Transparent, Position = 0.3f
},
new CanvasGradientStop()
{
Color = Colors.Transparent, Position = 0.7f
},
new CanvasGradientStop()
{
Color = Colors.White, Position = 1.0f
},
};
mBlurOpacityBrush = new CanvasLinearGradientBrush(sender, stops, CanvasEdgeBehavior.Clamp, CanvasAlphaMode.Premultiplied);
}
//CreateResources is an event that is fired only when Win2D determines you need to recreate your visual resources, such as when the page is loaded.
private void canvas_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
CanvasCommandList cl = new CanvasCommandList(sender);
using (CanvasDrawingSession clds = cl.CreateDrawingSession())
{
for (int i = 0; i < 100; i++)
{
clds.DrawText("Hello, World!", RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawCircle(RndPosition(), RndRadius(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
clds.DrawLine(RndPosition(), RndPosition(), Color.FromArgb(255, RndByte(), RndByte(), RndByte()));
}
}
blur = new GaussianBlurEffect()
{
Source = cl,
BlurAmount = 10.0f
};
System.Diagnostics.Debug.WriteLine("Create" + ">>>" + j++);
}
private void CanvasAnimatedControl_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
brush = new CanvasSolidColorBrush(sender, Colors.Navy);
}
private void Canvas_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
}
public void CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender,
Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args, LoadCompleteCallback callback)
{
bitmapHolder.CreateResources(sender, args);
callback();
}
private void Canvas_CreateResources_1(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
args.TrackAsyncAction(CreateResourcesAsync(sender).AsAsyncAction());
}
private void DanmuCanvas_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
cl = new CanvasCommandList(sender);
}
private void canvas_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
args.TrackAsyncAction(LoadImages(sender.Device).AsAsyncAction());
}
private void LcdScreen_CreateResources(Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
isLoaded = false;
visualizer.CreateResources(sender, args, LoadComplete);
}
