/*
 * Copyright (c) 2011-2019, The DART development contributors
 * All rights reserved.
 *
 * The list of contributors can be found at:
 *   https://github.com/dartsim/dart/blob/master/LICENSE
 *
 * This file is provided under the following "BSD-style" License:
 *   Redistribution and use in source and binary forms, with or
 *   without modification, are permitted provided that the following
 *   conditions are met:
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 *   CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 *   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 *   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 *   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 *   AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *   POSSIBILITY OF SUCH DAMAGE.
 */

#include "dart/gui/glut/GLUTFuncs.hpp"

#include <cstdio>
#include <iostream>
#include <string>

#include <Eigen/Eigen>

#include "dart/gui/LoadOpengl.hpp"
#include "dart/gui/glut/LoadGlut.hpp"

namespace dart {
namespace gui {
namespace glut {

void drawStringOnScreen(float x, float y, const std::string& s, bool bigFont)
{
  // draws text on the screen
  GLint oldMode;
  glGetIntegerv(GL_MATRIX_MODE, &oldMode);
  glMatrixMode(GL_PROJECTION);

  glPushMatrix();
  glLoadIdentity();
  gluOrtho2D(0.0, 1.0, 0.0, 1.0);

  glMatrixMode(GL_MODELVIEW);
  glPushMatrix();
  glLoadIdentity();
  glRasterPos2f(x, y);
  unsigned int length = s.length();
  for (unsigned int c = 0; c < length; c++)
  {
    if (bigFont)
      glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, s.at(c));
    else
      glutBitmapCharacter(GLUT_BITMAP_HELVETICA_10, s.at(c));
  }
  glPopMatrix();

  glMatrixMode(GL_PROJECTION);
  glPopMatrix();
  glMatrixMode(oldMode);
}

} // namespace glut
} // namespace gui
} // namespace dart
