elve/html/BoxConstraint_8cpp_source.html

00001 #include "BoxConstraint.h"
00002 #include "Point.h"
00003
00004 namespace Elve {
00005 using namespace std;
00006
00007 BoxConstraint::BoxConstraint(const QRectF &bounds) : mBounds(bounds)
00008 {
00009
00010 }
00011
00012 void BoxConstraint::setBounds(const QRectF& bounds) {
00013     mBounds = bounds;
00014 }
00015
00016
00017 void BoxConstraint::constrain(Point& point) {
00018     QVector2D pos = point.pos();
00019     pos.setX(max(mBounds.left(),min(mBounds.right(),(qreal)pos.x())));
00020     pos.setY(max(mBounds.top(),min(mBounds.bottom(),(qreal)pos.y())));
00021     point.setPos(pos);
00022 }
00023
00024 }