**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
#include <cstdio>
#include <sstream>
#include <iostream>
+#include <iomanip>
#endif
/* === G L O B A L S ======================================================= */
-String Color::hex_;
-
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
}
}
+const String
+Color::get_string(void)const
+{
+ std::ostringstream o;
+ o << std::fixed << std::setprecision(3) << "#" << get_hex() << " : " << std::setw(6) << a_;
+ return String(o.str().c_str());
+}
+
#if 0
Color&
Color::rotate_uv(const Angle& theta)const
// We add COLOR_EPSILON in order to avoid a divide-by-zero condition.
// This causes DIVIDE to bias toward positive values, but the effect is
- // really neglegable. There is a reason why we use COLOR_EPSILON--we
- // want the change to be imperceptable.
+ // really negligible. There is a reason why we use COLOR_EPSILON--we
+ // want the change to be imperceptible.
b.set_r(((b.get_r()/(a.get_r()+COLOR_EPSILON))-b.get_r())*(amount)+b.get_r());
b.set_g(((b.get_g()/(a.get_g()+COLOR_EPSILON))-b.get_g())*(amount)+b.get_g());
static Color
blendfunc_BEHIND(Color &a,Color &b,float amount)
{
- if(a.get_a()==0)a.set_a(COLOR_EPSILON); //!< \hack
+ if(a.get_a()==0)a.set_a(COLOR_EPSILON); //!< \todo this is a hack
a.set_a(a.get_a()*amount);
return blendfunc_COMPOSITE(b,a,1.0);
}