#!/usr/bin/env python

from PyQt4 import QtGui

import sys

app = QtGui.QApplication(sys.argv)

scene = QtGui.QGraphicsScene(0, 0, 400, 400)
scene.addSimpleText('HELLO 1', QtGui.QFont('Arial', 40))
t = scene.addSimpleText('HELLO 2', QtGui.QFont('Arial', 40))
t.setY(100)
t.scale(.75, .75)
scene.addRect(0, 200, 200, 40, QtGui.QPen(QtGui.QColor(255, 0, 0)), QtGui.QBrush(QtGui.QColor(255, 0, 0)))

view = QtGui.QGraphicsView(scene)
view.setRenderHint(QtGui.QPainter.Antialiasing)
view.setViewportUpdateMode(QtGui.QGraphicsView.BoundingRectViewportUpdate)
view.show()

sys.exit(app.exec_())