void CombineClipArea(geom.Area area, CombineMode combineMode) {
geom.AffineTransform t = GetFinalTransform();
if (!t.isIdentity())
area.transform(t);
if (combineMode == CombineMode.Replace) {
_clip.NativeObject.reset();
_clip.NativeObject.add(area);
}
else {
geom.Area curClip = _clip.NativeObject;
switch(combineMode) {
case CombineMode.Complement:
curClip.add(area);
break;
case CombineMode.Exclude:
curClip.subtract(area);
break;
case CombineMode.Intersect:
curClip.intersect(area);
break;
case CombineMode.Union:
curClip.add(area);
break;
case CombineMode.Xor:
curClip.exclusiveOr(area);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
RestoreBaseClip();
NativeObject.clip(_clip);
}
void IntersectClip (geom.Area area) {
geom.AffineTransform t = GetFinalTransform();
if (!t.isIdentity()) {
area = (geom.Area) area.clone ();
area.transform(t);
}
_clip.NativeObject.intersect(area);
RestoreBaseClip();
NativeObject.clip(_clip);
}