bool RArc::stretch(const RPolyline& area, const RVector& offset) {
bool ret = false;
if (area.contains(getStartPoint()) && area.contains(getEndPoint())) {
return move(offset);
}
if (area.contains(getStartPoint())) {
moveStartPoint(getStartPoint() + offset);
ret = true;
}
else if (area.contains(getEndPoint())) {
moveEndPoint(getEndPoint() + offset);
ret = true;
}
return ret;
}
bool RRay::stretch(const RPolyline& area, const RVector& offset) {
bool ret = false;
if (area.contains(basePoint)) {
basePoint += offset;
ret = true;
}
return ret;
}
/**
* Moves this vector by offset if it is inside the given area.
*/
RVector RVector::stretch(const RPolyline& area, const RVector& offset) {
if (area.contains(*this)) {
return move(offset);
}
return *this;
}