def shape(self):
""" Returns the shape of this item as a QPainterPath in local
coordinates. The shape is used for many things, including
collision detection, hit tests, and for the QGraphicsScene::items()
functions.
"""
path = QtGui.QPainterPath()
rect = self.boundingRect()
path.addRect(rect)
return path
def paintEvent(self, event):
m = 9
path = QPainterPath()
path.setFillRule(Qt.WindingFill)
path.addRect(m, m, self.width() - m * 2, self.height() - m * 2)
painter = QPainter(self)
painter.fillPath(path, QBrush(Qt.white))
color = QColor(100, 100, 100, 30)
for i in range(m):
path = QPainterPath()
path.setFillRule(Qt.WindingFill)
path.addRoundRect(m - i, m - i,
self.width() - (m - i) * 2,
self.height() - (m - i) * 2, 1, 1)
color.setAlpha(90 - math.sqrt(i) * 30)
painter.setPen(QPen(color, 1, Qt.SolidLine))
painter.drawRoundRect(
QRect(m - i, m - i,
self.width() - (m - i) * 2,
self.height() - (m - i) * 2), 0, 0)