Python/pyqt5/CODE/元件使用範例/qt0426_QPainter.py

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# -*- coding: utf-8 -*-
'''
簡介
PyQt5中 筆刷範例
'''
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_())