private void CreateGeometries(Direct2DFactory factory)
{
Ellipse circle1 = new Ellipse(75, 75, 50, 50);
_circleGeometry1 = factory.CreateEllipseGeometry(circle1);
Ellipse circle2 = new Ellipse(125, 75, 50, 50);
_circleGeometry2 = factory.CreateEllipseGeometry(circle2);
// Union
_geometryUnion = factory.CreatePathGeometry();
using (GeometrySink sink = _geometryUnion.Open())
{
_circleGeometry1.CombineWithGeometry(_circleGeometry2, CombineMode.Union, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Intersect
_geometryIntersect = factory.CreatePathGeometry();
using (GeometrySink sink = _geometryIntersect.Open())
{
_circleGeometry1.CombineWithGeometry(_circleGeometry2, CombineMode.Intersect, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Xor
_geometryXor = factory.CreatePathGeometry();
using (GeometrySink sink = _geometryXor.Open())
{
_circleGeometry1.CombineWithGeometry(_circleGeometry2, CombineMode.Xor, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
// Exclude
_geometryExclude = factory.CreatePathGeometry();
using (GeometrySink sink = _geometryExclude.Open())
{
_circleGeometry1.CombineWithGeometry(_circleGeometry2, CombineMode.Exclude, Matrix3x2.Identity, 0.25f, sink);
sink.Close();
}
}
