android.ndk.native_window

1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 /**
18  * @addtogroup NativeActivity Native Activity
19  * @{
20  */
21 
22 /**
23  * @file native_window_jni.h
24  */
25 
26 module android.ndk.native_window_jni;
27 
28 import arsd.jni;
29 import android.ndk;
30 
31 extern (C):
32 nothrow:
33 @nogc:
34 
35 /**
36  * Return the ANativeWindow associated with a Java Surface object,
37  * for interacting with it through native code.  This acquires a reference
38  * on the ANativeWindow that is returned; be sure to use ANativeWindow_release()
39  * when done with it so that it doesn't leak.
40  */
41 ANativeWindow* ANativeWindow_fromSurface (JNIEnv* env, jobject surface);
42 
43 /**
44  * Return a Java Surface object derived from the ANativeWindow, for interacting
45  * with it through Java code. The returned Java object acquires a reference on
46  * the ANativeWindow; maintains it through general Java object's life cycle;
47  * and will automatically release the reference when the Java object gets garbage
48  * collected.
49  */
50 jobject ANativeWindow_toSurface (JNIEnv* env, ANativeWindow* window);
51 
52 // ANDROID_NATIVE_WINDOW_H
53 
54 /** @} */