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Diffstat (limited to 'viewport.h')
| -rw-r--r-- | viewport.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/viewport.h b/viewport.h new file mode 100644 index 0000000..5ececfe --- /dev/null +++ b/viewport.h @@ -0,0 +1,51 @@ +/* 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 */ + |