def qwtCombinePathList(rect, pathList):
if not pathList:
return QPainterPath()
ordered = [None] * 8
for subPath in pathList:
index = -1
br = subPath.controlPointRect()
if br.center().x() < rect.center().x():
if br.center().y() < rect.center().y():
if abs(br.top() - rect.top()) < abs(br.left() - rect.left()):
index = 1
else:
index = 0
else:
if abs(br.bottom() - rect.bottom) < abs(br.left() -
rect.left()):
index = 6
else:
index = 7
if subPath.currentPosition().y() > br.center().y():
qwtRevertPath(subPath)
else:
if br.center().y() < rect.center().y():
if abs(br.top() - rect.top()) < abs(br.right() - rect.right()):
index = 2
else:
index = 3
else:
if abs(br.bottom() - rect.bottom()) < abs(br.right() -
rect.right()):
index = 5
else:
index = 4
if subPath.currentPosition().y() < br.center().y():
qwtRevertPath(subPath)
ordered[index] = subPath
for i in range(4):
if ordered[2 * i].isEmpty() != ordered[2 * i + 1].isEmpty():
return QPainterPath()
corners = QPolygonF(rect)
path = QPainterPath()
for i in range(4):
if ordered[2 * i].isEmpty():
path.lineTo(corners[i])
else:
path.connectPath(ordered[2 * i])
path.connectPath(ordered[2 * i + 1])
path.closeSubpath()
return path
def qwtCombinePathList(rect, pathList):
if not pathList:
return QPainterPath()
ordered = [None] * 8
for subPath in pathList:
index = -1
br = subPath.controlPointRect()
if br.center().x() < rect.center().x():
if br.center().y() < rect.center().y():
if abs(br.top()-rect.top()) < abs(br.left()-rect.left()):
index = 1
else:
index = 0
else:
if abs(br.bottom()-rect.bottom) < abs(br.left()-rect.left()):
index = 6
else:
index = 7
if subPath.currentPosition().y() > br.center().y():
qwtRevertPath(subPath)
else:
if br.center().y() < rect.center().y():
if abs(br.top()-rect.top()) < abs(br.right()-rect.right()):
index = 2
else:
index = 3
else:
if abs(br.bottom()-rect.bottom()) < abs(br.right()-rect.right()):
index = 5
else:
index = 4
if subPath.currentPosition().y() < br.center().y():
qwtRevertPath(subPath)
ordered[index] = subPath
for i in range(4):
if ordered[2*i].isEmpty() != ordered[2*i+1].isEmpty():
return QPainterPath()
corners = QPolygonF(rect)
path = QPainterPath()
for i in range(4):
if ordered[2*i].isEmpty():
path.lineTo(corners[i])
else:
path.connectPath(ordered[2*i])
path.connectPath(ordered[2*i+1])
path.closeSubpath()
return path
def drawPolygon(self, *args):
if len(args) == 3:
points, pointCount, mode = args
elif len(args) == 2:
points, mode = args
pointCount = len(points)
else:
raise TypeError("Unexpected arguments")
device = self.nullDevice()
if device is None:
return
if device.mode() == QwtNullPaintDevice.PathMode:
path = QPainterPath()
if pointCount > 0:
path.moveTo(points[0])
for i in range(1, pointCount):
path.lineTo(points[i])
if mode != QPaintEngine.PolylineMode:
path.closeSubpath()
device.drawPath(path)
return
device.drawPolygon(points, pointCount, mode)
def drawPolygon(self, *args):
if len(args) == 3:
points, pointCount, mode = args
elif len(args) == 2:
points, mode = args
pointCount = len(points)
else:
raise TypeError("Unexpected arguments")
device = self.nullDevice()
if device is None:
return
if device.mode() == QwtNullPaintDevice.PathMode:
path = QPainterPath()
if pointCount > 0:
path.moveTo(points[0])
for i in range(1, pointCount):
path.lineTo(points[i])
if mode != QPaintEngine.PolylineMode:
path.closeSubpath()
device.drawPath(path)
return
device.drawPolygon(points, pointCount, mode)
