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/* Copyright (c) 2008, 2009
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Micah Cowan (micah@cowan.name)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Copyright (c) 1987 Oliver Laumann
*
* 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, 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 (see the file COPYING); if not, see
* https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
****************************************************************
* $Id$ GNU
*/
#ifndef SCREEN_VIEWPORT_H
#define SCREEN_VIEWPORT_H
#include "canvas.h"
struct viewport
{
struct viewport *v_next; /* next vp on canvas */
struct canvas *v_canvas; /* back pointer to canvas */
int v_xoff; /* layer x offset on display */
int v_yoff; /* layer y offset on display */
int v_xs; /* vp upper left */
int v_xe; /* vp upper right */
int v_ys; /* vp lower left */
int v_ye; /* vp lower right */
};
extern int RethinkDisplayViewports __P((void));
extern void RethinkViewportOffsets __P((struct canvas *));
#endif /* SCREEN_VIEWPORT_H */
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