Region& Region::Include(const Rect &rect)
{
Region temp;
BeginOperation();
// Make sure that there are no overlaps
temp.AddRect(rect);
for (int i = 0; i < fNumRects; i++)
temp.Exclude(RectAt(i));
AddRegionRects(temp);
EndOperation();
return *this;
}
Region& Region::Intersect(const Region &intersectRegion)
{
BeginOperation();
Region newRegion;
for (int i = 0; i < fNumRects; i++) {
for (int j = 0; j < intersectRegion.fNumRects; j++) {
if (RectAt(i).Intersects(intersectRegion.RectAt(j))) {
Rect temp(RectAt(i));
temp.Intersect(intersectRegion.RectAt(j));
newRegion.AddRect(temp);
}
}
}
SetTo(newRegion);
EndOperation();
return *this;
}
