def Update(self, ShapeObj1, ShapeObj2):
if ShapeObj1 == None or ShapeObj2 == None:
return
if ShapeObj2.isLine():
tmp = ShapeObj1
ShapeObj1 = ShapeObj2
ShapeObj2 = tmp
if ShapeObj1.isRing() == False:
self.m_start = Geometry.GetMidPoint(ShapeObj1.m_start,
ShapeObj1.m_end)
else:
pathPaint = QPainterPath()
startPoint = QPoint(
ShapeObj1.m_start.x() +
(ShapeObj1.m_end.x() - ShapeObj1.m_start.x()) / 4,
ShapeObj1.m_start.y())
end = QPoint(
ShapeObj1.m_start.x() +
(ShapeObj1.m_end.x() - ShapeObj1.m_start.x()) / 4 * 3,
ShapeObj1.m_start.y())
startPoint += QPoint(
0.0, (ShapeObj1.m_start.y() - ShapeObj1.m_end.y()) / 2)
endPoint = startPoint + QPoint(end.x() - startPoint.x(), 0)
self.m_start = Geometry.GetMidPoint(startPoint, endPoint)
lMPoint = ShapeObj2.GetConnerPoints()
nMinLen = 1000000
nLen = len(lMPoint)
for i in range(nLen):
nDis = Geometry.GetDistance(lMPoint[i], self.m_start)
if nDis < nMinLen:
nMinLen = nDis
self.m_end = lMPoint[i]
return
def paint(self, painter):
self.setPainter(painter)
lPoint = []
lPoint.append(self.m_start)
lPoint.append(QPoint(self.m_start.x(), self.m_end.y()))
lPoint.append(self.m_end)
lPoint.append(QPoint(self.m_end.x(), self.m_start.y()))
m1 = Geometry.GetMidPoint(lPoint[0], lPoint[1])
m2 = Geometry.GetMidPoint(lPoint[1], lPoint[2])
m3 = Geometry.GetMidPoint(lPoint[2], lPoint[3])
m4 = Geometry.GetMidPoint(lPoint[3], lPoint[0])
lMPoint = [m1, m2, m3, m4]
path = QPainterPath()
path.moveTo(m1)
path.lineTo(m2)
path.lineTo(m3)
path.lineTo(m4)
path.lineTo(m1)
painter.drawPath(path)
if self.hasCorner() != -1:
pen = QPen()
pen.setWidth(2)
pen.setColor(QColor(0, 255, 0))
painter.setPen(pen)
painter.drawEllipse(lMPoint[self.m_curConner], 5, 5)
def GetConnerPoints(self):
lPoint = []
lPoint.append(self.m_start)
lPoint.append(QPoint(self.m_start.x(), self.m_end.y()))
lPoint.append(self.m_end)
lPoint.append(QPoint(self.m_end.x(), self.m_start.y()))
m1 = Geometry.GetMidPoint(lPoint[0], lPoint[1])
m2 = Geometry.GetMidPoint(lPoint[1], lPoint[2])
m3 = Geometry.GetMidPoint(lPoint[2], lPoint[3])
m4 = Geometry.GetMidPoint(lPoint[3], lPoint[0])
lMPoint = [m1, m2, m3, m4]
return lMPoint
