PyQt/美化/QLabel/圆形图片.py
2018-11-01 00:10:21 +08:00

75 lines
2.5 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
Created on 2018年1月20日
@author: Irony."[讽刺]
@site: http://alyl.vip, http://orzorz.vip, https://coding.net/u/892768447, https://github.com/892768447
@email: 892768447@qq.com
@file: CircleLabel
@description:
'''
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QPixmap, QPainter, QPainterPath
from PyQt5.QtWidgets import QLabel, QWidget, QHBoxLayout
__Author__ = "By: Irony.\"[讽刺]\nQQ: 892768447\nEmail: 892768447@qq.com"
__Copyright__ = "Copyright (c) 2018 Irony.\"[讽刺]"
__Version__ = "Version 1.0"
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("Images/head.jpg").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: black;")
if __name__ == "__main__":
import sys
from PyQt5.QtWidgets import QApplication
app = QApplication(sys.argv)
w = Window()
w.show()
sys.exit(app.exec_())