QRegion::QRegion( const QPointArray &a, bool winding )
{
data = new QRegionData;
CHECK_PTR( data );
data->is_null = FALSE;
data->rgn = XPolygonRegion( (XPoint*)a.shortPoints(), a.size(),
winding ? WindingRule : EvenOddRule );
}
QRegion::QRegion( const QRect &r, RegionType t )
{
QRect rr = r.normalize();
data = new QRegionData;
CHECK_PTR( data );
data->is_null = FALSE;
if ( t == Rectangle ) { // rectangular region
data->rgn = XCreateRegion();
XRectangle xr;
xr.x = rr.x();
xr.y = rr.y();
xr.width = rr.width();
xr.height = rr.height();
XUnionRectWithRegion( &xr, data->rgn, data->rgn );
} else if ( t == Ellipse ) { // elliptic region
QPointArray a;
a.makeEllipse( rr.x(), rr.y(), rr.width(), rr.height() );
data->rgn = XPolygonRegion( (XPoint*)a.shortPoints(), a.size(),
EvenOddRule );
}
}
