1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
from OpenGL.GL import * # noqa
from ... import functions as fn
from ...Qt import QtGui
from ..GLGraphicsItem import GLGraphicsItem
__all__ = ['GLBoxItem']
class GLBoxItem(GLGraphicsItem):
"""
**Bases:** :class:`GLGraphicsItem <pyqtgraph.opengl.GLGraphicsItem>`
Displays a wire-frame box.
"""
def __init__(self, size=None, color=None, glOptions='translucent', parentItem=None):
super().__init__(parentItem=parentItem)
if size is None:
size = QtGui.QVector3D(1,1,1)
self.setSize(size=size)
if color is None:
color = (255,255,255,80)
self.setColor(color)
self.setGLOptions(glOptions)
def setSize(self, x=None, y=None, z=None, size=None):
"""
Set the size of the box (in its local coordinate system; this does not affect the transform)
Arguments can be x,y,z or size=QVector3D().
"""
if size is not None:
x = size.x()
y = size.y()
z = size.z()
self.__size = [x,y,z]
self.update()
def size(self):
return self.__size[:]
def setColor(self, *args):
"""Set the color of the box. Arguments are the same as those accepted by functions.mkColor()"""
self.__color = fn.mkColor(*args)
def color(self):
return self.__color
def paint(self):
#glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
#glEnable( GL_BLEND )
#glEnable( GL_ALPHA_TEST )
##glAlphaFunc( GL_ALWAYS,0.5 )
#glEnable( GL_POINT_SMOOTH )
#glDisable( GL_DEPTH_TEST )
self.setupGLState()
glBegin( GL_LINES )
glColor4f(*self.color().getRgbF())
x,y,z = self.size()
glVertex3f(0, 0, 0)
glVertex3f(0, 0, z)
glVertex3f(x, 0, 0)
glVertex3f(x, 0, z)
glVertex3f(0, y, 0)
glVertex3f(0, y, z)
glVertex3f(x, y, 0)
glVertex3f(x, y, z)
glVertex3f(0, 0, 0)
glVertex3f(0, y, 0)
glVertex3f(x, 0, 0)
glVertex3f(x, y, 0)
glVertex3f(0, 0, z)
glVertex3f(0, y, z)
glVertex3f(x, 0, z)
glVertex3f(x, y, z)
glVertex3f(0, 0, 0)
glVertex3f(x, 0, 0)
glVertex3f(0, y, 0)
glVertex3f(x, y, 0)
glVertex3f(0, 0, z)
glVertex3f(x, 0, z)
glVertex3f(0, y, z)
glVertex3f(x, y, z)
glEnd()
|
