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
|
#------------------------------------------------------------------------------
# Copyright (c) 2007, Riverbank Computing Limited
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD license.
# However, when used with the GPL version of PyQt the additional terms described in the PyQt GPL exception also apply
#
# Author: Riverbank Computing Limited
#------------------------------------------------------------------------------
""" Defines a subclass of the base PyQt color editor factory, for colors
that are represented as tuples of the form ( *red*, *green*, *blue* ), where
*red*, *green* and *blue* are floats in the range from 0.0 to 1.0.
"""
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
from pyface.qt import QtGui
from traits.trait_base \
import SequenceTypes
# Note: The ToolkitEditorFactory class imported from color_editor is a
# subclass of the abstract ToolkitEditorFactory class
# (in traitsui.api) with qt4-specific methods defined.
# We need to override the implementations of the qt4-specific methods here.
from color_editor \
import ToolkitEditorFactory as BaseColorToolkitEditorFactory
#-------------------------------------------------------------------------------
# The PyQt4 ToolkitEditorFactory class.
#-------------------------------------------------------------------------------
class ToolkitEditorFactory(BaseColorToolkitEditorFactory):
""" PyQt editor factory for color editors.
"""
#---------------------------------------------------------------------------
# Gets the PyQt color equivalent of the object trait:
#---------------------------------------------------------------------------
def to_qt4_color ( self, editor ):
""" Gets the PyQt color equivalent of the object trait.
"""
try:
color = getattr( editor.object, editor.name + '_' )
except AttributeError:
color = getattr( editor.object, editor.name )
c = QtGui.QColor()
c.setRgbF(color[0], color[1], color[2])
return c
#---------------------------------------------------------------------------
# Gets the application equivalent of a PyQt value:
#---------------------------------------------------------------------------
def from_qt4_color ( self, color ):
""" Gets the application equivalent of a PyQt value.
"""
return (color.redF(), color.greenF(), color.blueF())
#---------------------------------------------------------------------------
# Returns the text representation of a specified color value:
#---------------------------------------------------------------------------
def str_color ( self, color ):
""" Returns the text representation of a specified color value.
"""
if type( color ) in SequenceTypes:
return "(%d,%d,%d)" % ( int( color[0] * 255.0 ),
int( color[1] * 255.0 ),
int( color[2] * 255.0 ) )
return color
|
