/*
 *  acm : an aerial combat simulator for X
 *  Copyright (C) 1991-1998  Riley Rainey
 *
 *  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 3 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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software Foundaation,
 *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */

#include <Alib.h>

/*
 *  ForceWindowRedraw :  Invalidate the previous frame's drawing information
 *                       so that the animation is completely redrawn at the
 *                       completion of the current frame.
 */

void
ForceWindowRedraw(AWindow * w)
{

	register int i;

	if (!w) {
	  return;
	}

	for (i = 0; i < w->height; ++i) {
		w->lastScanLine[i].count = 0;
		if (w->doubleBuffered) {
			w->otherLastScanLine[i].count = 0;
		}
	}

#if defined(HAS_FRAME_BUFFER) && defined(X11)
	LocateWindowOrigin(w->display, w->d, &x, &y);
	FrameBufferSetOrigin(x, y);
#endif
}
