+// $Id$
+//
+// SuperTux
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
+//
+// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
#ifndef __COLOR_HPP__
#define __COLOR_HPP__
#include <vector>
-#include "msg.hpp"
+#include <assert.h>
+#include "log.hpp"
class Color
{
}
Color(const std::vector<float>& vals)
{
+ assert(vals.size() >= 3);
red = vals[0];
green = vals[1];
blue = vals[2];
#endif
}
+ bool operator==(const Color& other) const
+ {
+ return red == other.red && green == other.green && blue == other.blue
+ && alpha == other.alpha;
+ }
+
void check_color_ranges()
{
if(red < 0 || red > 1.0 || green < 0 || green > 1.0
|| blue < 0 || blue > 1.0
|| alpha < 0 || alpha > 1.0)
- msg_warning << "color value out of range: " << red << ", " << green << ", " << blue << ", " << alpha << std::endl;
+ log_warning << "color value out of range: " << red << ", " << green << ", " << blue << ", " << alpha << std::endl;
+ }
+
+ float greyscale() const
+ {
+ return red * 0.30 + green * 0.59 + blue * 0.11;
+ }
+
+ bool operator < (const Color& other) const
+ {
+ return greyscale() < other.greyscale();
}
float red, green, blue, alpha;
};
#endif
-