def drawEllipse(self,x,y,r):
self.Item = qt.QGraphicsEllipseItem(x-r/2,y-r/2,r,r)
self.Item.setFlag(qt.QGraphicsItem.ItemIsMovable)
pen = qt.QPen(qt.Qt.blue)
pen.setWidth( 3 )
brush = qt.QBrush(qt.QColor(0xFF, 0, 0, 0x00))
self.Item.setBrush(brush)
self.Item.setPen(pen)
self.scene.addItem(self.Item)
def __init__(self, parent=None, scene=None, keepratio=True):
qt.QGraphicsRectItem.__init__(self, parent, scene)
rect = parent.sceneBoundingRect()
w = rect.width()
h = rect.height()
self._newRect = None
self.keepRatio = keepratio
self.setRect(qt.QRectF(w - 40, h - 40, 40, 40))
if DEBUG:
self.setBrush(qt.QBrush(qt.Qt.white, qt.Qt.SolidPattern))
else:
pen = qt.QPen()
color = qt.QColor(qt.Qt.white)
color.setAlpha(0)
pen.setColor(color)
pen.setStyle(qt.Qt.NoPen)
self.setPen(pen)
self.setBrush(color)
self.setFlag(self.ItemIsMovable, True)
self.show()
