/// <summary>
/// Draws an ellipse.
/// </summary>
/// <param name="rect">The rectangle.</param>
/// <param name="fill">The fill color.</param>
/// <param name="stroke">The stroke color.</param>
/// <param name="thickness">The thickness.</param>
public override void DrawEllipse(OxyRect rect, OxyColor fill, OxyColor stroke, double thickness)
{
this.SetAlias(false);
var convertedRectangle = rect.Convert();
if (fill.IsVisible())
{
this.SetFill(fill);
using (var path = new CGPath())
{
path.AddEllipseInRect(convertedRectangle);
this.gctx.AddPath(path);
}
this.gctx.DrawPath(CGPathDrawingMode.Fill);
}
if (stroke.IsVisible() && thickness > 0)
{
this.SetStroke(stroke, thickness);
using (var path = new CGPath())
{
path.AddEllipseInRect(convertedRectangle);
this.gctx.AddPath(path);
}
this.gctx.DrawPath(CGPathDrawingMode.Stroke);
}
}
/// <summary>
/// Sets the clip rectangle.
/// </summary>
/// <param name="rect">The clip rectangle.</param>
/// <returns>True if the clip rectangle was set.</returns>
public override bool SetClip(OxyRect rect)
{
this.gctx.SaveState();
this.gctx.ClipToRect(rect.Convert());
return(true);
}
/// <summary>
/// Sets the clip rectangle.
/// </summary>
/// <param name="rect">The clip rectangle.</param>
/// <returns>True if the clip rectangle was set.</returns>
public override bool SetClip(OxyRect rect)
{
this.gctx.SaveState ();
this.gctx.ClipToRect (rect.Convert ());
return true;
}
