FastLineClip.h

/*
 * Copyright 2010 OpenXcom Developers.
 *
 * This file is part of OpenXcom.
 *
 * OpenXcom is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenXcom 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenXcom.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef OPENXCOM_FASTLINECLIIP_H
#define OPENXCOM_FASTLINECLIIP_H

namespace OpenXcom
{
class FastLineClip
{
private:
    double FC_xn, FC_yn, FC_xk, FC_yk;
    void Clip0_Top(void);
    void Clip0_Bottom(void);
    void Clip0_Right(void);
    void Clip0_Left(void);
    void Clip1_Top(void);
    void Clip1_Bottom(void);
    void Clip1_Right(void);
    void Clip1_Left(void);
public:
    double Wxlef, Wxrig, Wytop, Wybot;
    FastLineClip(double Wxl, double Wxr, double Wyt, double Wyb) : FC_xn(0), FC_yn(0), FC_xk(0), FC_yk(0)
    {
        Wxlef = Wxl;
        Wxrig = Wxr;
        Wytop = Wyt;
        Wybot = Wyb;
    };
    ~FastLineClip() {};
    int LineClip(double *x0, double *y0, double *x1, double *y1);
};

}

#endif