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/*
Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "colour.h"
#include "exceptions.h"
#include <string>
#include <cstdio>
using std::string;
using namespace sub;
Colour
Colour::from_argb_hex (string argb_hex)
{
int alpha, ir, ig, ib;
if (sscanf (argb_hex.c_str(), "%2x%2x%2x%2x", &alpha, &ir, &ig, &ib) < 4) {
throw XMLError ("could not parse colour string");
}
return Colour (float (ir) / 255, float (ig) / 255, float (ib) / 255);
}
Colour
Colour::from_rgb_hex (string rgb_hex)
{
int ir, ig, ib;
if (sscanf (rgb_hex.c_str(), "%2x%2x%2x", &ir, &ig, &ib) < 3) {
throw XMLError ("could not parse colour string");
}
return Colour (float (ir) / 255, float (ig) / 255, float (ib) / 255);
}
bool
sub::operator== (Colour const & a, Colour const & b)
{
return a.r == b.r && a.g == b.g && a.b == b.b;
}
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