public void OnRender(DrawingContext dc, EaseCurveEditor editor)
{
if (editor.ControlPointBrush == null)
{
return;
}
dc.DrawEllipse(editor.ControlPointBrush, (Pen)null, new Point(this.CenterX - 0.5, this.CenterY - 0.5), this.Radius, this.Radius);
}
private static void PointPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
EaseCurveEditor easeCurveEditor = d as EaseCurveEditor;
if (easeCurveEditor == null)
{
return;
}
easeCurveEditor.pointPositionsInvalid = true;
}
private static void BrushPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
EaseCurveEditor easeCurveEditor = d as EaseCurveEditor;
if (easeCurveEditor == null)
{
return;
}
easeCurveEditor.curvePen = null;
easeCurveEditor.linePen = null;
easeCurveEditor.brushOne = null;
easeCurveEditor.brushFive = null;
easeCurveEditor.brushTen = null;
}