viewport.cpp

Go to the documentation of this file.

/*
    RenderStack  Support library for OpenGL 3+
    Copyright (C) 2010  Timo Suoranta

    This library 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 2.1 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include "renderstack/viewport.hpp"

namespace renderstack {

viewport::viewport(int x, int y, int width, int height)
{
    set(x, y, width, height);
}

void viewport::set(int x, int y, int width, int height)
{
    m_border        = 0;
    m_x             = (float)(x);
    m_y             = (float)(y);
    m_width         = (float)(width);
    m_height        = (float)(height);
    m_aspect_ratio  = (height != 0) ? (float)(width) / (float)(height) : 1.0f;
}

}