public static RadialGradientBrush CreateRadialTwoGradientBrush(this Color color, Transform relativeTransform, int deltaA, int deltaB)
{
RadialGradientBrush brush = new RadialGradientBrush(new GradientStopCollection {
new GradientStop(color.AddColorDelta(deltaA), 0.0), new GradientStop(color.AddColorDelta(deltaB), 1.0)
});
brush.RelativeTransform = relativeTransform;
return(brush);
}
public static LinearGradientBrush CreateLinearGradientsBrush(this Color color, double offset)
{
return(new LinearGradientBrush
{
GradientStops = { new GradientStop(color, 0),
new GradientStop(color.AddColorDelta(-80), offset) },
EndPoint = new Point(0.707, 0.707)
});
}
protected override void OnRender(DrawingContext drawingContext)
{
double width = this.ActualWidth / 2.0;
double height = this.ActualHeight / 2.0;
Point point = new Point(width, height);
Color color = this.ControlBrush.Color;
Brush brush = new SolidColorBrush(color.AddColorDelta(-80));
Brush brush1 = color.CreateLinearTwoGradientsBrush(90.0, 80, -80);
Brush brush2 = new SolidColorBrush(color);
Brush brush3 = color.CreateLinearTwoGradientsBrush(90.0, -80, 80);
Pen pen = new Pen(brush, StrokeThickness);
drawingContext.PushTransform(new RotateTransform(450 - this.StartAngle, width, height));
StreamGeometry geometry;
switch (Design)
{
case NeedleDesign.Standard:
geometry = new StreamGeometry();
using (StreamGeometryContext context = geometry.Open())
{
context.BeginFigure(new Point(0.85 * width, 0), true, true);
context.PolyLineTo(new Point[] { new Point(1.15 * width, 0), new Point(1.45 * width, height), new Point(0.55 * width, height) }, false, false);
}
geometry.Freeze();
drawingContext.DrawGeometry(Brushes.Red, pen, geometry);
drawingContext.DrawEllipse(brush1, pen, point, width * 1.5, width * 1.5);
drawingContext.DrawEllipse(brush2, null, point, width * 1.2, width * 1.2);
break;
case NeedleDesign.Classic:
drawingContext.DrawLine(new Pen(Brushes.Blue, 5), new Point(width, 0), new Point(width, 1.3 * height));
drawingContext.DrawEllipse(brush1, pen, point, width * 1.5, width * 1.5);
drawingContext.DrawEllipse(brush2, null, point, width * 1.2, width * 1.2);
break;
case NeedleDesign.Shape:
geometry = new StreamGeometry();
using (StreamGeometryContext context = geometry.Open())
{
context.BeginFigure(new Point(width, 0), true, true);
context.LineTo(new Point(1.5 * width, height), true, false);
context.ArcTo(new Point(0.5 * width, height), new Size(width * 1.2, width * 1.2), 0.0, true, SweepDirection.Clockwise, true, true);
}
geometry.Freeze();
drawingContext.DrawGeometry(ControlBrush, pen, geometry);
break;
case NeedleDesign.Thin:
drawingContext.DrawLine(pen, new Point(width, 0), new Point(width, height));
break;
}
//base.OnRender(drawingContext);
}
protected override void OnRender(DrawingContext dc)
{
double bevel = this.BevelWidth;
//double glass = this.GlassEffectOffset;
//dc.DrawEllipse(Background, null, point, width, height);
if (bevel != 0)
{
Color color = this.BevelColor;
Color color1 = this.FrameColor;
Brush brush = new SolidColorBrush(color.AddColorDelta(-80));
Pen pen = new Pen(brush, 0.5);
Brush brush1, brush2, brush3, brush4;
double width, height;
switch (this.Design)
{
case FrameDesign.Round:
width = this.ActualWidth / 2.0;
height = this.ActualHeight / 2.0;
Point point = new Point(width, height);
brush1 = color.CreateLinearTwoGradientsBrush(90.0, 80, -80);
brush2 = new SolidColorBrush(color);
brush3 = color.CreateLinearTwoGradientsBrush(90.0, -80, 80);
brush4 = new RadialGradientBrush
{
GradientStops = new GradientStopCollection
{
new GradientStop(Colors.Black, 1),
new GradientStop(color1, 0)
},
GradientOrigin = new Point(0.2, 0.2),
Center = new Point(0.1, 0.1),
RadiusX = 1,
RadiusY = 1
};
dc.DrawEllipse(brush1, pen, point, width, height);
dc.DrawEllipse(brush2, null, point, width - bevel, height - bevel);
dc.DrawEllipse(brush3, null, point, width - 2 * bevel, height - 2 * bevel);
dc.DrawEllipse(brush4, pen, point, width - 3 * bevel, height - 3 * bevel);
break;
case FrameDesign.Square:
width = this.ActualWidth;
height = this.ActualHeight;
brush1 = color.CreateLinearTwoGradientsBrush(90.0, 80, -80);
brush2 = color.CreateLinearTwoGradientsBrush(90.0, -80, 80);
brush3 = new SolidColorBrush(color1);
dc.DrawRectangle(brush1, pen, new Rect(0, 0, width, height));
dc.DrawRectangle(brush2, null, new Rect(bevel, bevel, width - 2 * bevel, height - 2 * bevel));
dc.DrawRectangle(brush3, pen, new Rect(2 * bevel, 2 * bevel, width - 4 * bevel, height - 4 * bevel));
break;
case FrameDesign.SquareGlass:
width = this.ActualWidth;
height = this.ActualHeight;
brush1 = color.CreateLinearTwoGradientsBrush(0, 80, -80);
brush2 = color.CreateLinearGradientsBrush(180.0, 0.05, Colors.White);
brush3 = new LinearGradientBrush(color1, color1.AddColorDelta(-80), new Point(0, 0.3), new Point(1, 0.7));
dc.DrawRoundedRectangle(brush1, null, new Rect(0, 0, width, height), bevel, bevel);
dc.DrawRoundedRectangle(brush2, null, new Rect(bevel, bevel, width - 2 * bevel, height - 2 * bevel), bevel, bevel);
dc.DrawRoundedRectangle(brush3, pen, new Rect(2 * bevel, 2 * bevel, width - 4 * bevel, height - 4 * bevel), bevel, bevel);
break;
}
}
}