Brush only parts of an Ellipse in WPF

brush, c#, ellipse, wpf

Solution

Like this:

var geometry = new GeometryGroup();
geometry.Children.Add(new RectangleGeometry(new Rect(1, 0, 1, 1)));
geometry.Children.Add(new RectangleGeometry(new Rect(0, 1, 1, 1)));
var drawing = new GeometryDrawing(Brushes.Black, null, geometry);
var brush = new DrawingBrush(drawing);

dc.DrawEllipse(brush, pen, cntrpoint, 30, 30);

Problem

I'm having trouble to find the best way to draw the below shape. I'm using the below code to draw an `Ellipse` on visual layer. But how can I only brush the quarters? I think it can be done using `LinearGradientBrush` or `RadialGradientBrush` but I don't know how use it. ``` var cntrpoint = space.FlipYAxis(x2, y2); dc.DrawEllipse(Brushes.Transparent, pen, cntrpoint, 30, 30); ```

Original source

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