/ocr/ocrservice/jni/imageutils/blur-jni.cpp
C++ | 57 lines | 30 code | 11 blank | 16 comment | 0 complexity | 1b8d67ba11c90e4308a62b5364c11fdb MD5 | raw file
1/* 2 * Copyright 2011, Google Inc. 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// Author: Xiaotao Duan 18 19#include <jni.h> 20#include <stdio.h> 21#include <stdlib.h> 22 23#include "types.h" 24#include "time_log.h" 25#include "blur.h" 26 27#ifdef __cplusplus 28extern "C" { 29#endif 30 31JNIEXPORT jboolean JNICALL 32Java_com_googlecode_eyesfree_opticflow_ImageBlur_isBlurred( 33 JNIEnv* env, jclass clazz, jbyteArray input, jint width, jint height); 34 35#ifdef __cplusplus 36} 37#endif 38 39JNIEXPORT jboolean JNICALL 40Java_com_googlecode_eyesfree_opticflow_ImageBlur_isBlurred( 41 JNIEnv* env, jclass clazz, jbyteArray input, jint width, jint height) { 42 jboolean inputCopy = JNI_FALSE; 43 jbyte* const i = env->GetByteArrayElements(input, &inputCopy); 44 45 float blur = 0; 46 float extent = 0; 47 48 resetTimeLog(); 49 int blurred = IsBlurred(reinterpret_cast<uint8*>(i), 50 width, height, &blur, &extent); 51 timeLog("Finished image blur detection"); 52 printTimeLog(); 53 54 env->ReleaseByteArrayElements(input, i, JNI_ABORT); 55 56 return blurred ? JNI_TRUE : JNI_FALSE; 57}