sugar-toolkit-gtk3/sugar/graphics/color.py
2007-06-24 14:52:46 +02:00

122 lines
4.8 KiB
Python

# Copyright (C) 2006-2007, Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import gtk
_system_colors = {
'toolbar-background' : '#414141',
'frame-border' : '#D1D1D2',
'entry-background-focused' : '#FFFFFF',
'entry-background-unfocused' : '#414141',
'entry-selection-focused' : '#D1D1D2',
'entry-selection-unfocused' : '#00FF00',
'entry-text-focused' : '#000000',
'entry-text-unfocused' : '#FFFFFF',
'entry-border' : '#D1D1D2',
'label-text' : '#FFFFFF',
'desktop-background' : '#E2E2E3',
'menu-background' : '#000000',
'menu-background-hover' : '#424242',
'menu-separator' : '#D1D1D2',
'menu-border' : '#D1D1D2',
'button-normal' : '#FFFFFF',
'button-background-normal' : '#424242',
'button-hover' : '#808080',
'button-background-hover' : '#000000',
'icon-stroke-inactive' : '#757575',
'icon-fill-inactive' : '#9D9FA1',
'toggle-button-background' : '#A1A5A8'
}
def _html_to_rgb(html_color):
""" #RRGGBB -> (r, g, b) tuple (in float format) """
html_color = html_color.strip()
if html_color[0] == '#':
html_color = html_color[1:]
if len(html_color) != 6:
raise ValueError, "input #%s is not in #RRGGBB format" % html_color
r, g, b = html_color[:2], html_color[2:4], html_color[4:]
r, g, b = [int(n, 16) for n in (r, g, b)]
r, g, b = (r / 255.0, g / 255.0, b / 255.0)
return (r, g, b)
def _rgba_to_int(r, g, b, a):
color = int(a * 255) + (int(b * 255) << 8) + \
(int(g * 255) << 16) + (int(r * 255) << 24)
return color
class RGBColor(object):
def __init__(self, r, g, b, a=1.0):
self._r = r
self._g = g
self._b = b
self._a = a
def get_rgba(self):
return (self._r, self._g, self._b, self._a)
def get_int(self):
return _rgba_to_int(self._r, self._g, self._b, self._a)
def get_gdk_color(self):
return gtk.gdk.Color(int(self._r * 65535), int(self._g * 65535),
int(self._b * 65535))
def get_html(self):
return '#%02x%02x%02x' % (self._r * 255, self._g * 255, self._b * 255)
class HTMLColor(RGBColor):
def __init__(self, html_color):
rgb = _html_to_rgb(html_color)
RGBColor.__init__(self, *rgb)
class SystemColor(HTMLColor):
def __init__(self, color_id):
HTMLColor.__init__(self, _system_colors[color_id])
RED = RGBColor(1.0, 0.0, 0.0)
GREEN = RGBColor(0.0, 1.0, 0.0)
BLUE = RGBColor(0.0, 0.0, 1.0)
WHITE = RGBColor(1.0, 1.0, 1.0)
BLACK = RGBColor(0.0, 0.0, 0.0)
TOOLBAR_BACKGROUND = SystemColor('toolbar-background')
FRAME_BORDER = SystemColor('frame-border')
ENTRY_BACKGROUND_FOCUSED = SystemColor('entry-background-focused')
ENTRY_BACKGROUND_UNFOCUSED = SystemColor('entry-background-unfocused')
ENTRY_SELECTION_FOCUSED = SystemColor('entry-selection-focused')
ENTRY_SELECTION_UNFOCUSED = SystemColor('entry-selection-unfocused')
ENTRY_TEXT_FOCUSED = SystemColor('entry-text-focused')
ENTRY_TEXT_UNFOCUSED = SystemColor('entry-text-unfocused')
ENTRY_BORDER = SystemColor('entry-border')
LABEL_TEXT = SystemColor('label-text')
DESKTOP_BACKGROUND = SystemColor('desktop-background')
MENU_BACKGROUND = SystemColor('menu-background')
MENU_BACKGROUND_HOVER = SystemColor('menu-background-hover')
MENU_SEPARATOR = SystemColor('menu-separator')
MENU_BORDER = SystemColor('menu-border')
BUTTON_NORMAL = SystemColor('button-normal')
BUTTON_BACKGROUND_NORMAL = SystemColor('button-background-normal')
BUTTON_HOVER = SystemColor('button-hover')
BUTTON_BACKGROUND_HOVER = SystemColor('button-background-hover')
ICON_FILL_INACTIVE = SystemColor('icon-fill-inactive')
ICON_STROKE_INACTIVE = SystemColor('icon-stroke-inactive')
TOGGLE_BUTTON_BACKGROUND = SystemColor('toggle-button-background')