#include <math.h>
#include <QFontMetrics>
#include "RDocument.h"
#include "RDocumentInterface.h"
#include "RGraphicsScene.h"
#include "RGraphicsView.h"
#include "RLine.h"
#include "ROrthoGrid.h"
#include "RRuler.h"
#include "RSettings.h"
#include "RUcs.h"
#include "RUnit.h"