* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <cassert>
+
#include "view.h"
#include "viewport.h"
#include <QMouseEvent>
-using boost::shared_ptr;
using std::max;
using std::min;
+using std::shared_ptr;
using std::vector;
namespace pv {