cdesktopenv/cde/lib/DtSvc/DtUtil2/GetDispRes.c

92 lines
2.8 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they 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 these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* (c) Copyright 1993, 1994 Hewlett-Packard Company *
* (c) Copyright 1993, 1994 International Business Machines Corp. *
* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
* (c) Copyright 1993, 1994 Novell, Inc. *
*/
/****************************<+>*************************************
**
** File: GetDispRes.c
**
** RCS: $XConsortium: GetDispRes.c /main/4 1995/10/26 15:22:04 rswiston $
**
** Project: HP DT Runtime Library
**
** Description: Get the display resolution of a particular display
** and screen.
**
** (c) Copyright 1992 by Hewlett-Packard Company
**
********************************************************************/
#include <stdio.h>
#include <X11/Xlib.h>
#include "GetDispRes.h"
/******************************<->*************************************
*
* _DtGetDisplayResolution(DISPLAY, screen)
*
* Description:
* -----------
* This function determines whether a display is HIGH, MEDIUM, or
* LOW display resolution.
*
* Inputs:
* -------
* Pointer to the DISPLAY and a screen number
*
* Outputs:
* -------
* One of four types of resolution: HIGH_RES_DISPLAY,
* MED_RES_DISPLAY,
* LOW_RES_DISPLAY,
* NO_RES_DISPLAY (if below min for LOW)
*
* Comments:
* --------
* Algorithm only uses XWidthOfScreen to make the determination.
*
******************************<->***********************************/
int
_DtGetDisplayResolution(Display *disp, int screen)
{
int screenWidth = XDisplayWidth(disp, screen);
if (screenWidth >= _DT_HIGH_RES_MIN) {
return(HIGH_RES_DISPLAY);
}
if (screenWidth >= _DT_MED_RES_MIN) {
return(MED_RES_DISPLAY);
}
if (screenWidth >= _DT_LOW_RES_MIN) {
return(LOW_RES_DISPLAY);
}
return(NO_RES_DISPLAY);
}
/************** eof ******************/