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/*------------------------------------------------------------------------
* Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
*
* This file is part of the ZBar Bar Code Reader.
*
* The ZBar Bar Code Reader is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* The ZBar Bar Code Reader 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 Public License for more details.
*
* You should have received a copy of the GNU Lesser Public License
* along with the ZBar Bar Code Reader; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* http://sourceforge.net/projects/zbar
*------------------------------------------------------------------------*/
#ifndef _WINDOW_X_H_
#define _WINDOW_X_H_
#include "window.h"
#ifdef HAVE_X
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#ifdef HAVE_X11_EXTENSIONS_XSHM_H
#include <X11/extensions/XShm.h>
#endif
#ifdef HAVE_X11_EXTENSIONS_XVLIB_H
#include <X11/extensions/Xvlib.h>
#endif
#endif
struct window_state_s {
unsigned long colors[8]; /* pre-allocated colors */
GC gc; /* graphics context */
Region exposed; /* region to redraw */
XFontStruct *font; /* overlay font */
/* pre-calculated logo geometries */
int logo_scale;
unsigned long logo_colors[2];
Region logo_zbars;
XPoint logo_z[4];
XRectangle logo_bars[5];
#ifdef HAVE_X11_EXTENSIONS_XSHM_H
XShmSegmentInfo shm; /* shared memory segment */
#endif
union {
XImage *x;
#ifdef HAVE_X11_EXTENSIONS_XVLIB_H
XvImage *xv;
#endif
} img;
XID img_port; /* current format port */
XID *xv_ports; /* best port for format */
int num_xv_adaptors; /* number of adaptors */
XID *xv_adaptors; /* port grabbed for each adaptor */
};
extern int _zbar_window_probe_ximage(zbar_window_t *);
extern int _zbar_window_probe_xshm(zbar_window_t *);
extern int _zbar_window_probe_xv(zbar_window_t *);
#endif
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