36. PyQt6 QPen
2023-10-17
python
539
import sys from PyQt6.QtWidgets import QApplication, QWidget from PyQt6.QtGui import QGuiApplication, QPainter, QPen from PyQt6.QtCore import Qt class App(QWidget): def __init__(self): super().__init__() self.text = None self.setMinimumSize(50, 50) self.initUI() def initUI(self): self.setWindowTitle("PyQt6 QPen") self.setGeometry(100, 100, 400, 300) self.center() def paintEvent(self, event): qp = QPainter() qp.begin(self) self.drawLines(qp) qp.end() def drawLines(self, qp): pen = QPen(Qt.GlobalColor.black, 2, Qt.PenStyle.SolidLine) qp.setPen(pen) qp.drawLine(20, 80, 250, 80) pen.setStyle(Qt.PenStyle.DashLine) qp.setPen(pen) qp.drawLine(20, 80, 250, 80) pen.setStyle(Qt.PenStyle.DashDotLine) qp.setPen(pen) qp.drawLine(20, 120, 250, 120) pen.setStyle(Qt.PenStyle.DotLine) qp.setPen(pen) qp.drawLine(20, 160, 250, 160) pen.setStyle(Qt.PenStyle.DashDotDotLine) qp.setPen(pen) qp.drawLine(20, 200, 250, 200) pen.setStyle(Qt.PenStyle.CustomDashLine) qp.setPen(pen) qp.drawLine(20, 240, 250, 240) def center(self): qr = self.frameGeometry() cp = QGuiApplication.primaryScreen().availableGeometry().center() qr.moveCenter(cp) self.move(qr.topLeft()) if __name__ == "__main__": app = QApplication(sys.argv) cls_app = App() cls_app.show() sys.exit(app.exec())
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