62 lines
1.2 KiB
Python
62 lines
1.2 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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【簡介】
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繪圖中QPen的範例，繪製使用不同樣式的6條線
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"""
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import sys
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from PyQt5.QtWidgets import *
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from PyQt5.QtGui import *
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from PyQt5.QtCore import Qt
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class Drawing(QWidget):
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def __init__(self):
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super().__init__()
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self.initUI()
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def initUI(self):
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self.setGeometry(300, 300, 280, 270)
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self.setWindowTitle('鋼筆樣式範例')
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def paintEvent(self, e):
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qp = QPainter()
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qp.begin(self)
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self.drawLines(qp)
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qp.end()
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def drawLines(self, qp):
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pen = QPen(Qt.black, 2, Qt.SolidLine)
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qp.setPen(pen)
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qp.drawLine(20, 40, 250, 40)
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pen.setStyle(Qt.DashLine)
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qp.setPen(pen)
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qp.drawLine(20, 80, 250, 80)
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pen.setStyle(Qt.DashDotLine)
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qp.setPen(pen)
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qp.drawLine(20, 120, 250, 120)
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pen.setStyle(Qt.DotLine)
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qp.setPen(pen)
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qp.drawLine(20, 160, 250, 160)
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pen.setStyle(Qt.DashDotDotLine)
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qp.setPen(pen)
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qp.drawLine(20, 200, 250, 200)
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pen.setStyle(Qt.CustomDashLine)
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pen.setDashPattern([1, 4, 5, 4])
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qp.setPen(pen)
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qp.drawLine(20, 240, 250, 240)
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if __name__ == '__main__':
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app = QApplication(sys.argv)
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demo = Drawing()
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demo.show()
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sys.exit(app.exec_())
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