RasterRect.h

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/*
 * Copyright (C) 2012 by
 *   MetraLabs GmbH (MLAB), GERMANY
 * and
 *   Neuroinformatics and Cognitive Robotics Labs (NICR) at TU Ilmenau, GERMANY
 * All rights reserved.
 *
 * Contact: info@mira-project.org
 *
 * Commercial Usage:
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 *   software or, alternatively, in accordance with the terms contained in
 *   a written agreement between you and MLAB or NICR.
 *
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 *   Foundation and appearing in the file LICENSE.GPL3 included in the
 *   packaging of this file. Please review the following information to
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#ifndef _MIRA_RASTERRECT_H_
#define _MIRA_RASTERRECT_H_

namespace mira {


template<typename Visitor>
inline void rasterRect(int xl, int yl, int xr, int yr, Visitor&& visitor)
{
    if (xl > xr) std::swap(xl,xr);
    if (yl > yr) std::swap(yl,yr);

    int width = xr - xl;
    for(int y = yl; yl < yr; yl++)
    {
        visitor(xl, yl, width);
    }
}


template<typename Visitor>
inline void rasterRect(const Rect2i& rect, Visitor&& visitor)
{
    rasterRect(rect.minCorner[0], rect.minCorner[1],
               rect.maxCorner[0], rect.maxCorner[1], visitor);
}


}

#endif