pngdriver/Set_window.c

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/****************************************************************************
 *
 * MODULE:       PNG driver
 * AUTHOR(S):    Glynn Clements <glynn@gclements.plus.com>
 * COPYRIGHT:    (C) 2007 Glynn Clements
 *
 *  This program 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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.
 *
 *****************************************************************************/

#include "pngdriver.h"

void PNG_Set_window(int t, int b, int l, int r)
{
    clip_top = t > screen_top ? t : screen_top;
    clip_bot = b < screen_bottom ? b : screen_bottom;
    clip_left = l > screen_left ? l : screen_left;
    clip_rite = r < screen_right ? r : screen_right;
}