// Copyright (C) 2000-2007, Luca Padovani <padovani@sti.uniurb.it>.
// 
// This file is part of GtkMathView, a flexible, high-quality rendering
// engine for MathML documents.
// 
// GtkMathView is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
// 
// GtkMathView 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
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#include <config.h>

#include <sstream>
#include <iomanip>

#include "RGBColorAux.hh"

std::string
toString(const RGBColor& color)
{
  std::ostringstream os;
  if (color.transparent())
    os << "transparent";
  else
    {
      os << "#"
	 << std::setw(2) << std::setfill('0') << std::hex << (static_cast<unsigned>(color.red) & 0xff)
	 << std::setw(2) << std::setfill('0') << std::hex << (static_cast<unsigned>(color.green) & 0xff)
	 << std::setw(2) << std::setfill('0') << std::hex << (static_cast<unsigned>(color.blue) & 0xff);
    }
  return os.str();
}

std::ostream&
operator<<(std::ostream& os, const RGBColor& color)
{ return os << toString(color); }