Drop Id tags and copyright notices from files

[libs/gl.git] / source / color.h

diff --git a/source/color.h b/source/color.h
index 0fc303a2bfc7afc2d0607d1923d6d5219d249ee6..7de2eedf019b276a4171112f2b7692853bbe3cf6 100644 (file)
--- a/source/color.h
+++ b/source/color.h
@@ -1,15 +1,6 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_COLOR_H_
 #define MSP_GL_COLOR_H_
 
-#include <GL/gl.h>
-
 namespace Msp {
 namespace GL {
 
@@ -21,6 +12,10 @@ struct Color
        Color(float v): r(v), g(v), b(v), a(1) { }
        Color(float r_, float g_, float b_): r(r_), g(g_), b(b_), a(1) { }
        Color(float r_, float g_, float b_, float a_): r(r_), g(g_), b(b_), a(a_) { }
+       Color operator*(float f) const { return Color(r*f, g*f, b*f, a); }
+       Color operator+(const Color &c) const { return Color(r+c.r, g+c.g, b+c.g, 1-(1-a)*(1-c.a)); }
+       bool operator==(const Color &c) const { return (r==c.r && b==c.b && g==c.g && a==c.a); }
+       bool operator!=(const Color &c) const { return !operator==(c); }
 };
 
 } // namespace GL