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- /*
- ** ACE run-time library module: SCREEN(n) function.
- ** Copyright (C) 1998 David Benn
- **
- ** 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.
- **
- ** You should have received a copy of the GNU General Public License
- ** along with this program; if not, write to the Free Software
- ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- **
- ** Author: David J Benn
- ** Date: 28th August 1994
- */
-
- #include <exec/types.h>
- #include <intuition/intuition.h>
-
- /* externals */
- extern struct Window *Wdw;
- extern struct Screen *Scrn;
- extern struct RastPort *RPort;
- extern struct ViewPort *ViewPort;
-
- /* functions */
- LONG screenfunc(n)
- LONG n;
- {
- /*
- ** Return information about active screen/current output window (0,2).
- */
-
- switch(n)
- {
- case 0L : return (LONG)Wdw;
- case 1L : return (LONG)Scrn;
- case 2L : return (LONG)RPort;
- case 3L : return (LONG)ViewPort;
- case 4L : return (LONG)&(Scrn->BitMap);
- case 5L : return (LONG)Scrn->RastPort.Font->tf_XSize;
- case 6L : return (LONG)Scrn->RastPort.Font->tf_YSize;
- default: return 0L;
- break;
- }
- }
-