File: color.py

package info (click to toggle)
python-pyface 8.0.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 13,944 kB
  • sloc: python: 54,107; makefile: 82
file content (51 lines) | stat: -rw-r--r-- 1,445 bytes parent folder | download
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
# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
""" Color conversion routines for the null toolkit.

This module provides a couple of utility methods to support the
pyface.color.Color class to_toolkit and from_toolkit methods.

For definiteness, the null toolkit uses tuples of RGBA values from 0 to 255
to represent colors.
"""

from pyface.color import channels_to_ints, ints_to_channels


def toolkit_color_to_rgba(color):
    """ Convert a hex tuple to an RGBA tuple.

    Parameters
    ----------
    color : tuple
        A tuple of integer values from 0 to 255 inclusive.

    Returns
    -------
    rgba : tuple
        A tuple of 4 floating point values between 0.0 and 1.0 inclusive.
    """
    return ints_to_channels(color)


def rgba_to_toolkit_color(rgba):
    """ Convert an RGBA tuple to a hex tuple.

    Parameters
    ----------
    color : tuple
        A tuple of integer values from 0 to 255 inclusive.

    Returns
    -------
    rgba : tuple
        A tuple of 4 floating point values between 0.0 and 1.0 inclusive.
    """
    return channels_to_ints(rgba)