/*

 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#ifndef _AWT_GRAPHICSENV_H_

#define _AWT_GRAPHICSENV_H_

#include <jni_util.h>

#ifndef HEADLESS

#define MITSHM

#endif /* !HEADLESS */

#define UNSET_MITSHM (-2)

#define NOEXT_MITSHM (-1)

#define CANT_USE_MITSHM (0)

#define CAN_USE_MITSHM (1)

#ifdef MITSHM

#include <sys/ipc.h>

#include <sys/shm.h>

#include <X11/extensions/XShm.h>

#ifndef X_ShmAttach

#include <X11/Xmd.h>

#include <X11/extensions/shmproto.h>

#endif

#define MITSHM_PERM_COMMON (0666)

#define MITSHM_PERM_OWNER  (0600)

extern int XShmQueryExtension();

void TryInitMITShm(JNIEnv *env, jint *shmExt, jint *shmPixmaps);

#endif /* MITSHM */

/* fieldIDs for X11GraphicsConfig fields that may be accessed from C */

struct X11GraphicsConfigIDs {

    jfieldID aData;

    jfieldID bitsPerPixel;

    jfieldID screen;

};

/* fieldIDs for X11GraphicsDevice fields that may be accessed from C */

struct X11GraphicsDeviceIDs {

    jfieldID screen;

};

#endif /* _AWT_GRAPHICSENV_H_ */