【QTdesigner】课时53.用画刷填充图形区域(QBrush)【pyqt5+QTdesigner模式】

>>> 点击进入：pyqt5专栏<<<

老师原课件下载地址：
有积分的朋友，支持下我，打赏也OK。
不下载也可以，我每节课会吧代码贴出来

---

视频链接

P52课时53.用画刷填充图形区域

---

课程重点

---

代码位置

---

完整代码

'''

用画刷填充图形区域

'''

import sys,math
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *

class FillRect(QWidget):
    def __init__(self):
        super(FillRect,self).__init__()
        self.resize(600,600)
        self.setWindowTitle('用画刷填充区域')

    def paintEvent(self,e):
        qp = QPainter()
        qp.begin(self)
        brush = QBrush(Qt.SolidPattern)
        qp.setBrush(brush)
        qp.drawRect(10,15,90,60)

        brush = QBrush(Qt.Dense1Pattern)
        qp.setBrush(brush)
        qp.drawRect(130,15,90,60)

        brush = QBrush(Qt.Dense2Pattern)
        qp.setBrush(brush)
        qp.drawRect(250,15,90,60)

        brush = QBrush(Qt.Dense3Pattern)
        qp.setBrush(brush)
        qp.drawRect(10, 105, 90, 60)

        brush = QBrush(Qt.HorPattern)
        qp.setBrush(brush)
        qp.drawRect(130, 105, 90, 60)
        qp.end()

if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = FillRect()
    main.show()
    sys.exit(app.exec_())

---

遇到的问题

---

改写效果展示

---

改写注意点

无

---

改写代码（QTdesigner模式）

# -*- coding:utf-8 -*-
'''
@Author: knocky
@Blog: https://blog.csdn.net/zzx188891020
@E-mail: [email protected]
@File: class53.py
@CreateTime: 2020/5/16 21:40
'''

import sys
from PyQt5.QtWidgets import QApplication,QWidget
from PyQt5 import uic
from PyQt5.QtGui import *
from PyQt5.QtCore import *

class my_form(QWidget):
    def __init__(self):
        super().__init__()
        uic.loadUi('../ui_package/class53.ui', self)

    def paintEvent(self,event):
        qp = QPainter()
        qp.begin(self)
        brush = QBrush(Qt.SolidPattern)
        qp.setBrush(brush)
        qp.drawRect(10,15,90,60)

        brush = QBrush(Qt.Dense1Pattern)
        qp.setBrush(brush)
        qp.drawRect(130,15,90,60)

        brush = QBrush(Qt.Dense2Pattern)
        qp.setBrush(brush)
        qp.drawRect(250,15,90,60)

        brush = QBrush(Qt.Dense3Pattern)
        qp.setBrush(brush)
        qp.drawRect(10, 105, 90, 60)

        brush = QBrush(Qt.HorPattern)
        qp.setBrush(brush)
        qp.drawRect(130, 105, 90, 60)
        qp.end()




if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = my_form()
    main.show()
    sys.exit(app.exec_())