pyqt-todolist/test/CircleImage.py
2022-04-01 22:25:19 +08:00

77 lines
2.5 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on 2018年1月20日
@author: Irony
@site: https://pyqt.site , https://github.com/PyQt5
@email: 892768447@qq.com
@file: CircleImage
@description: 圆形图片
"""
import os
try:
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QPixmap, QPainter, QPainterPath
from PyQt5.QtWidgets import QLabel, QWidget, QHBoxLayout, QApplication
except ImportError:
from PySide2.QtCore import Qt
from PySide2.QtGui import QPixmap, QPainter, QPainterPath
from PySide2.QtWidgets import QLabel, QWidget, QHBoxLayout, QApplication
class Label(QLabel):
def __init__(self, *args, antialiasing=True, **kwargs):
super(Label, self).__init__(*args, **kwargs)
self.Antialiasing = antialiasing
self.setMaximumSize(200, 200)
self.setMinimumSize(200, 200)
self.radius = 100
#####################核心实现#########################
self.target = QPixmap(self.size()) # 大小和控件一样
self.target.fill(Qt.transparent) # 填充背景为透明
p = QPixmap(os.path.abspath('../') + '/images/user.svg').scaled( # 加载图片并缩放和控件一样大
200, 200, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)
painter = QPainter(self.target)
if self.Antialiasing:
# 抗锯齿
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.HighQualityAntialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
# painter.setPen(# 测试圆圈
# QPen(Qt.red, 5, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
path = QPainterPath()
path.addRoundedRect(
0, 0, self.width(), self.height(), self.radius, self.radius)
# **** 切割为圆形 ****#
painter.setClipPath(path)
# painter.drawPath(path) # 测试圆圈
painter.drawPixmap(0, 0, p)
self.setPixmap(self.target)
#####################核心实现#########################
class Window(QWidget):
def __init__(self, *args, **kwargs):
super(Window, self).__init__(*args, **kwargs)
layout = QHBoxLayout(self)
layout.addWidget(Label(self))
layout.addWidget(Label(self, antialiasing=False))
self.setStyleSheet("background: white;")
if __name__ == "__main__":
import sys
app = QApplication(sys.argv)
w = Window()
w.show()
sys.exit(app.exec_())