60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
"""
|
||
|
|
Vector.py - Extension of QVector3D which adds a few missing methods.
|
||
|
|
Copyright 2010 Luke Campagnola
|
||
|
|
Distributed under MIT/X11 license. See license.txt for more infomation.
|
||
|
|
"""
|
||
|
|
|
||
|
|
from Qt import QtGui, QtCore
|
||
|
|
import numpy as np
|
||
|
|
|
||
|
|
class Vector(QtGui.QVector3D):
|
||
|
|
"""Extension of QVector3D which adds a few helpful methods."""
|
||
|
|
|
||
|
|
def __init__(self, *args):
|
||
|
|
if len(args) == 1:
|
||
|
|
if isinstance(args[0], QtCore.QSizeF):
|
||
|
|
QtGui.QVector3D.__init__(self, float(args[0].width()), float(args[0].height()), 0)
|
||
|
|
return
|
||
|
|
elif isinstance(args[0], QtCore.QPoint) or isinstance(args[0], QtCore.QPointF):
|
||
|
|
QtGui.QVector3D.__init__(self, float(args[0].x()), float(args[0].y()), 0)
|
||
|
|
elif hasattr(args[0], '__getitem__'):
|
||
|
|
vals = list(args[0])
|
||
|
|
if len(vals) == 2:
|
||
|
|
vals.append(0)
|
||
|
|
if len(vals) != 3:
|
||
|
|
raise Exception('Cannot init Vector with sequence of length %d' % len(args[0]))
|
||
|
|
QtGui.QVector3D.__init__(self, *vals)
|
||
|
|
return
|
||
|
|
elif len(args) == 2:
|
||
|
|
QtGui.QVector3D.__init__(self, args[0], args[1], 0)
|
||
|
|
return
|
||
|
|
QtGui.QVector3D.__init__(self, *args)
|
||
|
|
|
||
|
|
def __len__(self):
|
||
|
|
return 3
|
||
|
|
|
||
|
|
#def __reduce__(self):
|
||
|
|
#return (Point, (self.x(), self.y()))
|
||
|
|
|
||
|
|
def __getitem__(self, i):
|
||
|
|
if i == 0:
|
||
|
|
return self.x()
|
||
|
|
elif i == 1:
|
||
|
|
return self.y()
|
||
|
|
elif i == 2:
|
||
|
|
return self.z()
|
||
|
|
else:
|
||
|
|
raise IndexError("Point has no index %s" % str(i))
|
||
|
|
|
||
|
|
def __setitem__(self, i, x):
|
||
|
|
if i == 0:
|
||
|
|
return self.setX(x)
|
||
|
|
elif i == 1:
|
||
|
|
return self.setY(x)
|
||
|
|
elif i == 2:
|
||
|
|
return self.setZ(x)
|
||
|
|
else:
|
||
|
|
raise IndexError("Point has no index %s" % str(i))
|
||
|
|
|