/// <summary>
/// Fires the <see cref="Graphic.Drawing"/> event. Should be called by an <see cref="IRenderer"/>
/// for each object just before it is drawn/rendered, hence the reason it is public.
/// </summary>
public override void OnDrawing()
{
base.CoordinateSystem = CoordinateSystem.Destination;
_horizontalScale.CoordinateSystem = CoordinateSystem.Destination;
_verticalScale.CoordinateSystem = CoordinateSystem.Destination;
try
{
Rectangle hScaleBounds = ComputeScaleBounds(base.ParentPresentationImage, 0.10f, 0.05f);
_horizontalScale.SetEndPoints(new PointF(hScaleBounds.Left, hScaleBounds.Bottom), new SizeF(hScaleBounds.Width, 0));
_horizontalScale.Visible = true;
Rectangle vScaleBounds = ComputeScaleBounds(base.ParentPresentationImage, 0.05f, 0.10f);
_verticalScale.SetEndPoints(new PointF(vScaleBounds.Right, vScaleBounds.Top), new SizeF(0, vScaleBounds.Height));
_verticalScale.Visible = true;
}
finally
{
base.ResetCoordinateSystem();
_horizontalScale.ResetCoordinateSystem();
_verticalScale.ResetCoordinateSystem();
}
base.OnDrawing();
}
