private void ConstructCanvas()
{
this.CanvasControl.SizeChanged += (s, e) =>
{
if (e.NewSize == e.PreviousSize)
{
return;
}
this.Size.SIzeChange((float)e.NewSize.Width, (float)e.NewSize.Height);
};
this.CanvasControl.CreateResources += (sender, args) =>
{
float width = (float)sender.ActualWidth;
float height = (float)sender.ActualHeight;
this.GrayAndWhiteBackground = new CanvasRenderTarget(sender, width, height);
using (CanvasDrawingSession drawingSession = this.GrayAndWhiteBackground.CreateDrawingSession())
{
CanvasBitmap bitmap = GreyWhiteMeshHelpher.GetGreyWhiteMesh(sender);
ICanvasImage extendMesh = GreyWhiteMeshHelpher.GetBorderExtendMesh(height / 4, bitmap);
drawingSession.DrawImage(extendMesh);
}
};
this.CanvasControl.Draw += (sender, args) =>
{
if (base.IsEnabled == false)
{
return;
}
if (this.array is null)
{
return;
}
// Background
args.DrawingSession.DrawImage(this.GrayAndWhiteBackground);
// LinearGradient
this.Size.DrawLinearGradient(args.DrawingSession, this.CanvasControl, this.array);
// Lines
this.Size.DrawLines(args.DrawingSession);
// Nodes
this.Size.DrawNodes(args.DrawingSession, this.Manager);
};
}
/// <summary>
/// Initializes a LinearGradientBrush.
/// </summary>
/// <param name="transformer"> The transformer. </param>
/// <returns> The product <see cref="IBrush"/>. </returns>
public static IBrush LinearGradientBrush(Transformer transformer)
{
Vector2 center = transformer.Center;
Vector2 yPoint = transformer.CenterBottom;
return(new BrushBase
{
Type = BrushType.LinearGradient,
Stops = GreyWhiteMeshHelpher.GetGradientStopArray(),
Extend = CanvasEdgeBehavior.Clamp,
Center = center,
YPoint = yPoint,
});
}
/// <summary>
/// Initializes a LinearGradientBrush.
/// </summary>
/// <param name="startPoint"> The start point. </param>
/// <param name="endPoint"> The end point. </param>
/// <param name="color"> The color. </param>
/// <returns> The product <see cref="IBrush"/>. </returns>
public static IBrush LinearGradientBrush(Vector2 startPoint, Vector2 endPoint, Color color)
{
Vector2 center = startPoint;
Vector2 yPoint = endPoint;
return(new BrushBase
{
Type = BrushType.LinearGradient,
Stops = GreyWhiteMeshHelpher.GetGradientStopArray(color),
Extend = CanvasEdgeBehavior.Clamp,
Center = center,
YPoint = yPoint,
});
}
private void ChangingStopsCore(Color color)
{
switch (this.Type)
{
case BrushType.Color:
this.Stops = GreyWhiteMeshHelpher.GetGradientStopArray(this.Color);
break;
case BrushType.LinearGradient:
case BrushType.RadialGradient:
case BrushType.EllipticalGradient:
break;
default:
this.Stops = GreyWhiteMeshHelpher.GetGradientStopArray(color);
break;
}
}
