1 /*
2  * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 #include <jawt.h>
27 
28 #include "awt_DrawingSurface.h"
29 
30 /*
31  * Get the AWT native structure.  This function returns JNI_FALSE if
32  * an error occurs.
33  */
JAWT_GetAWT(JNIEnv * env,JAWT * awt)34 JNIEXPORT jboolean JNICALL JAWT_GetAWT(JNIEnv* env, JAWT* awt)
35 {
36 #if defined(JAVASE_EMBEDDED) && defined(HEADLESS)
37     /* there are no AWT libs available at all */
38     return JNI_FALSE;
39 #else
40     if (awt == NULL) {
41         return JNI_FALSE;
42     }
43 
44     if (awt->version != JAWT_VERSION_1_3
45         && awt->version != JAWT_VERSION_1_4
46         && awt->version != JAWT_VERSION_1_7) {
47         return JNI_FALSE;
48     }
49 
50     awt->GetDrawingSurface = awt_GetDrawingSurface;
51     awt->FreeDrawingSurface = awt_FreeDrawingSurface;
52     if (awt->version >= JAWT_VERSION_1_4) {
53         awt->Lock = awt_Lock;
54         awt->Unlock = awt_Unlock;
55         awt->GetComponent = awt_GetComponent;
56     }
57 
58     return JNI_TRUE;
59 #endif
60 }
61