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      1 /* Copyright (C) 2013 The Android Open Source Project
      2  *
      3  * Licensed under the Apache License, Version 2.0 (the "License");
      4  * you may not use this file except in compliance with the License.
      5  * You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software
     10  * distributed under the License is distributed on an "AS IS" BASIS,
     11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12  * See the License for the specific language governing permissions and
     13  * limitations under the License.
     14  */
     15 
     16 // Native function to extract brightness from image (handed down as ByteBuffer).
     17 
     18 #ifndef ANDROID_FILTERFW_JNI_BRIGHTNESS_H
     19 #define ANDROID_FILTERFW_JNI_BRIGHTNESS_H
     20 
     21 #include <jni.h>
     22 
     23 #ifdef __cplusplus
     24 extern "C" {
     25 #endif
     26 
     27     JNIEXPORT jfloat JNICALL
     28     Java_androidx_media_filterfw_samples_simplecamera_AvgBrightnessFilter_brightnessOperator(
     29         JNIEnv* env, jclass clazz, jint width, jint height, jobject imageBuffer);
     30 
     31 #ifdef __cplusplus
     32 }
     33 #endif
     34 
     35 #endif // ANDROID_FILTERFW_JNI_BRIGHTNESS_H
     36 
     37