/*******************************************************************************  Copyright (C) 1998-2001  Ljubomir Milanovic & Horst Wagner**  This file is part of the g2 library****  This library is free software; you can redistribute it and/or**  modify it under the terms of the GNU Lesser General Public**  License as published by the Free Software Foundation; either**  version 2.1 of the License, or (at your option) any later version.****  This library 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**  Lesser General Public License for more details.****  You should have received a copy of the GNU Lesser General Public**  License along with this library; if not, write to the Free Software**  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA******************************************************************************/#ifndef _G2_DEVICE_H#define _G2_DEVICE_H#include "g2_physical_device.h"#include "g2_virtual_device.h"extern int __g2_last_device;	    /* last accessed device (ld) */typedef enum _g2_dev_type {    g2_ILLEGAL=-1,		    /* illegal device type */    g2_NDEV=0,			    /* no device associated */    g2_PD,			    /* physical device */    g2_VD			    /* virtual device */} g2_device_type;typedef struct _g2_device {    g2_device_type t;		    /* device type */    int            dix;		    /* dev index in array (g2_dev) */    union {	g2_physical_device *pd;	g2_virtual_device  *vd;    } d;			    /* device */    double        x;		    /* graphical cursor */    double        y;    int           auto_flush;	    /* 1-on 0-off */    double        QPd;		    /* Quasi pixel spec. */    enum QPshape  QPshape;} g2_device;int g2_register_physical_device(int pid,				void *pdp,				g2_coor ct,				const g2_funix_fun *ff,				double a11, double a22,				double b1,  double b2);int g2_register_virtual_device();g2_device *g2_get_device_pointer(int dix);g2_device_type g2_get_device_type(int dix);void g2_destroy_device(int dix);			       #endif /* _G2_DEVICE_H */