python pyqt5 QPrinter

-- coding: utf-8 --

'''
【简介】
PyQt5中 涂刷例子

'''

import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt

class Example(QWidget):
def init(self):
super(Example, self).init()
self.initUI()
def initUI(self):
self.text = "hello world"
self.setGeometry(100,100, 400,300)
self.setWindowTitle('Draw Demo')
self.show()

def paintEvent(self, event):
    qp = QPainter()
    qp.begin(self)
    qp.setPen(QColor(Qt.red))
    qp.setFont(QFont('Arial', 20))
    qp.drawText(10,50, "hello Python")
    qp.setPen(QColor(Qt.blue))
    qp.drawLine(10,100,100,100)
    qp.drawRect(10,150,150,100)
    qp.setPen(QColor(Qt.yellow))
    qp.drawEllipse(100,50,100,50)
    qp.drawPixmap(220,10,QPixmap("./images/python.png"))
    qp.fillRect(200,175,150,100,QBrush(Qt.SolidPattern))
    qp.end()

if name == 'main':
app = QApplication(sys.argv)
ex = Example()
sys.exit(app.exec_())