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_HISTOGRAM_H 20 #define ANDROID_FILTERFW_JNI_HISTOGRAM_H 21 22 #include <jni.h> 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 JNIEXPORT void JNICALL 29 Java_androidx_media_filterpacks_histogram_GrayHistogramFilter_extractHistogram( 30 JNIEnv* env, jclass clazz, jobject imageBuffer, jobject maskBuffer, jobject histogramBuffer ); 31 32 JNIEXPORT void JNICALL 33 Java_androidx_media_filterpacks_histogram_ChromaHistogramFilter_extractChromaHistogram( 34 JNIEnv* env, jclass clazz, jobject imageBuffer, jobject histogramBuffer, jint hBins, jint sBins); 35 36 JNIEXPORT void JNICALL 37 Java_androidx_media_filterpacks_histogram_NewChromaHistogramFilter_extractChromaHistogram( 38 JNIEnv* env, jclass clazz, jobject imageBuffer, jobject histogramBuffer, 39 jint hueBins, jint saturationBins, jint valueBins, 40 jint saturationThreshold, jint valueThreshold); 41 42 #ifdef __cplusplus 43 } 44 #endif 45 46 #endif // ANDROID_FILTERFW_JNI_HISTOGRAM_H 47