comparison src/panned.cpp @ 679:ad3e5693cb76 scale-alternative

Alternative, and much simpler, approach to scaling

     m_dragTimer = new QTimer(this);
     m_dragTimerMs = 50;
     connect(m_dragTimer, SIGNAL(timeout()), this, SLOT(dragTimerTimeout()));
     setRenderHints(QPainter::Antialiasing |
                    QPainter::TextAntialiasing);
+
+    double baseEm;
+#ifdef Q_OS_MAC
+    baseEm = 17.0;
+#else
+    baseEm = 15.0;
+#endif
+    double em = QFontMetrics(QFont()).height();
+    double ratio = em / baseEm;
+
+    QMatrix m = matrix();
+    m.scale(ratio, ratio);
+    setMatrix(m);
 }
 
 void
 Panned::resizeEvent(QResizeEvent *ev)
 {