def createArrow(self):
rad = self._RADIUS
pen = QPen()
pen.setWidth(3)
color = QColor(Qt.blue)
color.setAlphaF(0.25)
pen.setBrush(color)
if self._virtual_helix.isEvenParity():
arrow = QGraphicsLineItem(rad, rad, 2*rad, rad, self)
else:
arrow = QGraphicsLineItem(0, rad, rad, rad, self)
arrow.setTransformOriginPoint(rad, rad)
arrow.setZValue(400)
arrow.setPen(pen)
self.arrow = arrow
self.arrow.hide()
def createArrows(self):
rad = _RADIUS
pen1 = self._pen1
pen2 = self._pen2
pen1.setWidth(3)
pen2.setWidth(3)
pen1.setBrush(Qt.gray)
pen2.setBrush(Qt.lightGray)
if self._virtual_helix.isEvenParity():
arrow1 = QGraphicsLineItem(rad, rad, 2*rad, rad, self)
arrow2 = QGraphicsLineItem(0, rad, rad, rad, self)
else:
arrow1 = QGraphicsLineItem(0, rad, rad, rad, self)
arrow2 = QGraphicsLineItem(rad, rad, 2*rad, rad, self)
arrow1.setTransformOriginPoint(rad, rad)
arrow2.setTransformOriginPoint(rad, rad)
arrow1.setZValue(400)
arrow2.setZValue(400)
arrow1.setPen(pen1)
arrow2.setPen(pen2)
self.arrow1 = arrow1
self.arrow2 = arrow2
self.arrow1.hide()
self.arrow2.hide()
def createArrows(self):
rad = self._RADIUS
pen1 = self._pen1
pen2 = self._pen2
pen1.setWidth(3)
pen2.setWidth(3)
pen1.setBrush(Qt.gray)
pen2.setBrush(Qt.lightGray)
if self._virtual_helix.isEvenParity():
arrow1 = QGraphicsLineItem(rad, rad, 2*rad, rad, self)
arrow2 = QGraphicsLineItem(0, rad, rad, rad, self)
else:
arrow1 = QGraphicsLineItem(0, rad, rad, rad, self)
arrow2 = QGraphicsLineItem(rad, rad, 2*rad, rad, self)
arrow1.setTransformOriginPoint(rad, rad)
arrow2.setTransformOriginPoint(rad, rad)
arrow1.setZValue(400)
arrow2.setZValue(400)
arrow1.setPen(pen1)
arrow2.setPen(pen2)
self.arrow1 = arrow1
self.arrow2 = arrow2
self.arrow1.hide()
self.arrow2.hide()