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 #ifndef ANDROID_NATIVE_WINDOW_JNI_H 27 #define ANDROID_NATIVE_WINDOW_JNI_H 28 29 #include <sys/cdefs.h> 30 31 #include <android/native_window.h> 32 33 #include <jni.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /** 40 * Return the ANativeWindow associated with a Java Surface object, 41 * for interacting with it through native code. This acquires a reference 42 * on the ANativeWindow that is returned; be sure to use ANativeWindow_release() 43 * when done with it so that it doesn't leak. 44 */ 45 ANativeWindow* ANativeWindow_fromSurface(JNIEnv* env, jobject surface); 46 47 #if __ANDROID_API__ >= 13 48 /** 49 * Return the ANativeWindow associated with a Java SurfaceTexture object, 50 * for interacting with it through native code. This acquires a reference 51 * on the ANativeWindow that is returned; be sure to use ANativeWindow_release() 52 * when done with it so that it doesn't leak. 53 */ 54 ANativeWindow* ANativeWindow_fromSurfaceTexture(JNIEnv* env, jobject surfaceTexture); 55 #endif 56 57 #if __ANDROID_API__ >= 26 58 /** 59 * Return a Java Surface object derived from the ANativeWindow, for interacting 60 * with it through Java code. The returned Java object acquires a reference on 61 * the ANativeWindow; maintains it through general Java object's life cycle; 62 * and will automatically release the reference when the Java object gets garbage 63 * collected. 64 */ 65 jobject ANativeWindow_toSurface(JNIEnv* env, ANativeWindow* window); 66 #endif 67 68 #ifdef __cplusplus 69 }; 70 #endif 71 72 #endif // ANDROID_NATIVE_WINDOW_H 73 74 /** @} */ 75