viewport.hpp

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/*
    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
*/

#ifndef VIEWPORT_HPP
#define VIEWPORT_HPP

#include "renderstack/rs.h"

namespace renderstack {

class viewport
{
public:
    viewport(int x = 0, int y = 0, int width = 0, int height = 0);

public:
    void set(int x, int y, int width, int height);

    int   border() const { return m_border; }
    float x() const { return m_x; }
    float y() const { return m_y; }
    float width() const { return m_width; }
    float height() const { return m_height; }
    float aspect_ratio() const { return m_aspect_ratio; }

private:
    int   m_border;
    float m_x;
    float m_y;
    float m_width;
    float m_height;
    float m_aspect_ratio;
};

}

#endif