g.drawLine(boxLeft, minPx, boxRight, minPx);
g.drawLine(boxLeft, maxPx, boxRight, maxPx);
Stroke orig = g.getStroke();
g.setStroke(new StippledStroke());
g.drawLine(midWidth, minPx, midWidth, q1Px);
g.drawLine(midWidth, q3Px, midWidth, maxPx);
g.setStroke(orig);
g.setColor(Color.BLUE);