Method drawCircle

Demo/CircleLine.py:177–218

(self, painter, circle)

            self._timer.start(t)

    def drawCircle(self, painter, circle):
        #         circle.radius *= circleExp
        if circle.background:
            circle.radius *= circleExp
        else:
            circle.radius /= circleExp
        radius = circle.radius

        r = radius * circleExp
        # 边框颜色设置透明度
        c = QColor(circle.borderColor)
        c.setAlphaF(circle.opacity)

        painter.save()
        if circle.filled == 'full':
            # 设置背景刷
            painter.setBrush(c)
            painter.setPen(Qt.NoPen)
        else:
            # 设置画笔
            painter.setPen(
                QPen(c, max(1, circleBorder * (radMin - circle.radius) / (radMin - radMax))))

        # 画实心圆或者圆圈
        painter.drawEllipse(circle.x - r, circle.y - r, 2 * r, 2 * r)
        painter.restore()

        if circle.filled == 'concentric':
            r = radius / 2
            # 画圆圈
            painter.save()
            painter.setBrush(Qt.NoBrush)
            painter.setPen(
                QPen(c, max(1, circleBorder * (radMin - circle.radius) / (radMin - radMax))))
            painter.drawEllipse(circle.x - r, circle.y - r, 2 * r, 2 * r)
            painter.restore()

        circle.x += circle.speedx
        circle.y += circle.speedy
        if (circle.opacity < maxOpacity):
            circle.opacity += 0.01
        circle.ttl -= 1

    def renderPoints(self, painter, circles):
        for i, circle in enumerate(circles):