51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/* Copyright (c) 2008, 2009
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* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
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* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
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* Micah Cowan (micah@cowan.name)
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* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
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* Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
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* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
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* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
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* Copyright (c) 1987 Oliver Laumann
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING); if not, see
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* https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
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*
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****************************************************************
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* $Id$ GNU
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*/
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#ifndef SCREEN_VIEWPORT_H
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#define SCREEN_VIEWPORT_H
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#include "canvas.h"
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struct viewport
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{
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struct viewport *v_next; /* next vp on canvas */
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struct canvas *v_canvas; /* back pointer to canvas */
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int v_xoff; /* layer x offset on display */
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int v_yoff; /* layer y offset on display */
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int v_xs; /* vp upper left */
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int v_xe; /* vp upper right */
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int v_ys; /* vp lower left */
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int v_ye; /* vp lower right */
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};
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extern int RethinkDisplayViewports __P((void));
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extern void RethinkViewportOffsets __P((struct canvas *));
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#endif /* SCREEN_VIEWPORT_H */
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