Files
Arquivotheca.SunOS-4.1.4/usr.lib/libcgi/gp1_cgi_control.c
seta75D ff309bfe1c Init
2021-10-11 18:37:13 -03:00

66 lines
1.8 KiB
C

#ifndef lint
static char sccsid[] = "@(#)gp1_cgi_control.c 1.1 94/10/31 Copyr 1985-9 Sun Micro";
#endif
/*
* Copyright (c) 1985, 1986, 1987, 1988, 1989 by Sun Microsystems, Inc.
* Permission to use, copy, modify, and distribute this software for any
* purpose and without fee is hereby granted, provided that the above
* copyright notice appear in all copies and that both that copyright
* notice and this permission notice are retained, and that the name
* of Sun Microsystems, Inc., not be used in advertising or publicity
* pertaining to this software without specific, written prior permission.
* Sun Microsystems, Inc., makes no representations about the suitability
* of this software or the interface defined in this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
#include "cgipriv.h"
#include <sys/ioctl.h>
#include <sun/gpio.h>
#include <pixrect/gp1cmds.h>
/*
* Both of the following routines return:
* 0 if org_x and org_y are unchanged from last call
* 1 if either org_x or org_y has changed
*
* Note that these can change even though no SIGWINCH is received, but
* they cannot change when the screen is locked. Thus it should suffice
* to check the return code from _cgi_gp1_pw_lock and if it is non-zero
* update the gp1 NDC to screen transform.
*/
_cgi_gp1_pw_lock(pw, r, ptr)
Pixwin *pw;
Rect *r;
Gp1_attr *ptr;
{
pw_lock(pw, r);
if (pw->pw_clipdata->pwcd_clipid == ptr->clipid)
return (0);
return (_cgi_gp1_pw_updclplst(pw, ptr));
}
int _cgi_gp1_stblk_alloc(fd)
int fd;
{
int i;
if (ioctl(fd, GP1IO_GET_STATIC_BLOCK, &i))
return (-1);
else
return (i);
}
_cgi_gp1_stblk_free(fd, num)
int num;
{
if (ioctl(fd, GP1IO_FREE_STATIC_BLOCK, &num))
return (-1);
else
return (0);
}