QLabel圆形头像

.settings/org.eclipse.core.resources.prefs

@@ -19,6 +19,7 @@ encoding//\u5B57\u4F53\u6D4B\u8BD5/TestFontRoboto.py=utf-8
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+encoding//\u754C\u9762\u7F8E\u5316/QLabel\u5706\u5F62\u5934\u50CF/CircleLabel.py=utf-8
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README.md

@@ -29,4 +29,5 @@
 
 ### [4.界面美化](界面美化/)
  - [4.1 QMessageBox样式](界面美化/QMessageBox样式)
- - [4.2 QScrollBar滚动条样式](界面美化/QScrollBar滚动条样式)
+ - [4.2 QScrollBar滚动条样式](界面美化/QScrollBar滚动条样式)
+ - [4.3 QLabel圆形头像](界面美化/QLabel圆形头像)

界面美化/QLabel圆形头像/CircleLabel.py

@@ -0,0 +1,75 @@
+#!/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("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_())

界面美化/QLabel圆形头像/README.md

@@ -0,0 +1,10 @@
+# QLabel圆形头像
+
+一种比较好的方法制作圆形头像
+ 
+### 简单说明
+该方法使用QPainter的 setClipPath 方法结合QPainterPath对图片进行裁剪。
+
+截图
+
+![1](ScreenShot/1.png)