2 Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include "exceptions.h"
29 Colour::from_argb_hex (string argb_hex)
31 int alpha, ir, ig, ib;
32 if (sscanf (argb_hex.c_str(), "%2x%2x%2x%2x", &alpha, &ir, &ig, &ib) < 4) {
33 throw XMLError ("could not parse colour string");
36 return Colour (float (ir) / 255, float (ig) / 255, float (ib) / 255);
40 Colour::from_rgb_hex (string rgb_hex)
43 if (sscanf (rgb_hex.c_str(), "%2x%2x%2x", &ir, &ig, &ib) < 3) {
44 throw XMLError ("could not parse colour string");
47 return Colour (float (ir) / 255, float (ig) / 255, float (ib) / 255);
51 sub::operator== (Colour const & a, Colour const & b)
53 return a.r == b.r && a.g == b.g && a.b == b.b;