minor changes

src/me/hammerle/supersnuvi/rendering/GameRenderer.java

@@ -151,15 +151,15 @@ public class GameRenderer extends AnimationTimer implements IGameRenderer
     public double getStringOffsetY(int y)
     {
         double height = canvas.getHeight();
-        height -= textPainter.getHeight() * LINES;
+        height -= textPainter.getHeight(LINES);
         height /= 2;
-        return height + textPainter.getHeight() * y;
+        return height + textPainter.getHeight(y);
     }
 
     @Override
     public double getLineHeight()
     {
-        return textPainter.getHeight();
+        return textPainter.getHeight(1);
     }
     
     @Override