1 /*
2  * Copyright (C) 2012 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 // Native function to extract histogram from image (handed down as ByteBuffer).
18 
19 #ifndef ANDROID_FILTERFW_JNI_SOBELOPERATOR_H
20 #define ANDROID_FILTERFW_JNI_SOBELOPERATOR_H
21 
22 #include <jni.h>
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 JNIEXPORT jboolean JNICALL
29 Java_androidx_media_filterpacks_image_SobelFilter_sobelOperator(
30     JNIEnv* env, jclass clazz, jint width, jint height,
31     jobject imageBuffer, jobject magBuffer, jobject dirBuffer);
32 
33 #ifdef __cplusplus
34 }
35 #endif
36 
37 #endif // ANDROID_FILTERFW_JNI_SOBELOPERATOR_H
38