libsegl/color.cpp

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2009-01-21 01:00:31 +01:00
/* libsegl - Sebas Extended GL Library
* Collection of Opengl/3D-Math helpers
*
* Copyright (c) 2008 by Sebastian Lohff, seba@seba-geek.de
* http://www.seba-geek.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "color.h"
namespace segl {
Color::Color() {
set(0.0f, 0.0f, 0.0f, 1.0f);
setalpha = true;
}
Color::Color(float _r, float _g, float _b, float _a) {
set(_r, _g, _b, _a);
}
Color::Color(const SDL_Color &c) {
set(c.r/255.0f, c.g/255.0f, c.b/255.0f);
setalpha = true;
}
void Color::set(float _r, float _g, float _b, float _a) {
r = _r;
g = _g;
b = _b;
a = _a;
}
SDL_Color Color::getSDLColor() {
SDL_Color c = {(Uint8)(r*255.0f), (Uint8)(g*255.0f), (Uint8)(b*255.0f), (Uint8)(a*255.0f)};
return c;
}
void Color::print(std::string m) {
std::cout << m << " Color: " << r << ", " << g << ", " << b << std::endl;
}
} // namespace segl
void glColorGLC(segl::Color c) {
if(c.setalpha) {
glColor4f(c.r, c.g, c.b, c.a);
} else {
glColor3f(c.r, c.g, c.b);
}
}