public override bool HitTest(Point2F point)
{
EllipseGeometry g = d2DFactory.CreateEllipseGeometry(ellipse);
bool ret = g.FillContainsPoint(point, 1);
g.Dispose();
return(ret);
}
protected override void OnCleanUpDeviceIndependentResources()
{
base.OnCleanUpDeviceIndependentResources();
_strokeStyle.Dispose();
_textFormat.Dispose();
_circleGeometry1.Dispose();
_circleGeometry2.Dispose();
_geometryUnion.Dispose();
_geometryIntersect.Dispose();
_geometryXor.Dispose();
_geometryExclude.Dispose();
}
public override bool HitTest(Point2F point)
{
foreach (var ellipse in ellipses)
{
EllipseGeometry g = d2DFactory.CreateEllipseGeometry(new Ellipse(
new Point2F(
(ellipse.rect.Left + ellipse.rect.Right) / 2,
(ellipse.rect.Top + ellipse.rect.Bottom) / 2),
ellipse.rect.Width / 2,
ellipse.rect.Height / 2));
bool ret = g.FillContainsPoint(point, 1);
g.Dispose();
if (ret)
{
return(true);
}
}
return(false);
}
public IDisposable SetCircleClipping(System.Drawing.Point center, int radius)
{
DisposableObject disposableObject = new DisposableObject();
AddDrawRequest((target) =>
{
LayerParameters parm = new LayerParameters();
Layer layer = new Layer(target);
Ellipse circle = new Ellipse(Vector2FromGDIPoint(center), radius, radius);
EllipseGeometry elli = new EllipseGeometry(target.Factory, circle);
disposableObject.OnDisposed += (s, e) =>
{
target.PopLayer();
layer.Dispose();
elli.Dispose();
};
parm.GeometricMask = elli;
target.PushLayer(ref parm, layer);
});
return(disposableObject);
}
