painterpaths.py 文件源码

def paintEvent(self, event):
        painter = QPainter(self)
        painter.setRenderHint(QPainter.Antialiasing)
        painter.scale(self.width() / 100.0, self.height() / 100.0)
        painter.translate(50.0, 50.0)
        painter.rotate(-self.rotationAngle)
        painter.translate(-50.0, -50.0)

        painter.setPen(
                QPen(self.penColor, self.penWidth, Qt.SolidLine, Qt.RoundCap,
                        Qt.RoundJoin))
        gradient = QLinearGradient(0, 0, 0, 100)
        gradient.setColorAt(0.0, self.fillColor1)
        gradient.setColorAt(1.0, self.fillColor2)
        painter.setBrush(QBrush(gradient))
        painter.drawPath(self.path)