CodeReview #1512 notes fixed.

2012-05-31 12:26:29 +00:00
parent 834a0b518c
commit 3780685fe6
8 changed files with 221 additions and 174 deletions
--- a/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp
+++ b/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp
@@ -0,0 +1,179 @@
+#include <DetectionBasedTracker_jni.h>
+#include <opencv2/core/core.hpp>
+#include <opencv2/contrib/detection_based_tracker.hpp>
+
+#include <string>
+#include <vector>
+
+#include <android/log.h>
+
+#define LOG_TAG "FaceDetection/DetectionBasedTracker"
+#define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__))
+
+using namespace std;
+using namespace cv;
+
+inline void vector_Rect_to_Mat(vector<Rect>& v_rect, Mat& mat)
+{
+    mat = Mat(v_rect, true);
+}
+
+JNIEXPORT jlong JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeCreateObject
+(JNIEnv * jenv, jclass jobj, jstring jFileName, jint faceSize)
+{
+    const char* jnamestr = jenv->GetStringUTFChars(jFileName, NULL);    
+    string stdFileName(jnamestr);
+    jlong result = 0;
+    
+    try
+    {
+	DetectionBasedTracker::Parameters DetectorParams;
+	if (faceSize > 0)
+	    DetectorParams.minObjectSize = faceSize;
+	result = (jlong)new DetectionBasedTracker(stdFileName, DetectorParams);
+    }
+    catch(cv::Exception e)
+    {
+	LOGD("nativeCreateObject catched cv::Exception: %s", e.what());
+	jclass je = jenv->FindClass("org/opencv/core/CvException");
+	if(!je) 
+	    je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, e.what());
+    }
+    catch (...)
+    {
+	LOGD("nativeCreateObject catched unknown exception");
+	jclass je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, "Unknown exception in JNI code {highgui::VideoCapture_n_1VideoCapture__()}");
+	return 0;
+    }
+    
+    return result;
+}
+
+JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDestroyObject
+(JNIEnv * jenv, jclass jobj, jlong thiz)
+{
+    try
+    {
+	((DetectionBasedTracker*)thiz)->stop();
+	delete (DetectionBasedTracker*)thiz;
+    }
+    catch(cv::Exception e)
+    {
+ 	LOGD("nativeestroyObject catched cv::Exception: %s", e.what());
+	jclass je = jenv->FindClass("org/opencv/core/CvException");
+	if(!je) 
+	    je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, e.what());
+    }
+    catch (...)
+    {
+	LOGD("nativeDestroyObject catched unknown exception");
+	jclass je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, "Unknown exception in JNI code {highgui::VideoCapture_n_1VideoCapture__()}");
+    }    
+}
+
+JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStart
+(JNIEnv * jenv, jclass jobj, jlong thiz)
+{
+    try
+    {
+	((DetectionBasedTracker*)thiz)->run();
+    }
+    catch(cv::Exception e)
+    {
+	LOGD("nativeStart catched cv::Exception: %s", e.what());
+	jclass je = jenv->FindClass("org/opencv/core/CvException");
+	if(!je) 
+	    je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, e.what());
+    }
+    catch (...)
+    {
+	LOGD("nativeStart catched unknown exception");
+	jclass je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, "Unknown exception in JNI code {highgui::VideoCapture_n_1VideoCapture__()}");
+    }     
+}
+
+JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStop
+(JNIEnv * jenv, jclass jobj, jlong thiz)
+{
+    try
+    {
+	((DetectionBasedTracker*)thiz)->stop();
+    }
+    catch(cv::Exception e)
+    {
+	LOGD("nativeStop catched cv::Exception: %s", e.what());
+	jclass je = jenv->FindClass("org/opencv/core/CvException");
+	if(!je) 
+	    je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, e.what());
+    }
+    catch (...)
+    {
+	LOGD("nativeStop catched unknown exception");
+	jclass je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, "Unknown exception in JNI code {highgui::VideoCapture_n_1VideoCapture__()}");
+    }  
+}
+
+JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSetFaceSize
+(JNIEnv * jenv, jclass jobj, jlong thiz, jint faceSize)
+{
+    try
+    {
+	if (faceSize > 0)
+	{
+	    DetectionBasedTracker::Parameters DetectorParams = \
+		((DetectionBasedTracker*)thiz)->getParameters();
+	    DetectorParams.minObjectSize = faceSize;
+	    ((DetectionBasedTracker*)thiz)->setParameters(DetectorParams);
+	}
+
+    }
+    catch(cv::Exception e)
+    {
+	LOGD("nativeStop catched cv::Exception: %s", e.what());
+	jclass je = jenv->FindClass("org/opencv/core/CvException");
+	if(!je) 
+	    je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, e.what());
+    }
+    catch (...)
+    {
+	LOGD("nativeSetFaceSize catched unknown exception");
+	jclass je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, "Unknown exception in JNI code {highgui::VideoCapture_n_1VideoCapture__()}");
+    }
+}
+
+
+JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDetect
+(JNIEnv * jenv, jclass jobj, jlong thiz, jlong imageGray, jlong faces)
+{
+    try
+    {
+	vector<Rect> RectFaces;
+	((DetectionBasedTracker*)thiz)->process(*((Mat*)imageGray));
+	((DetectionBasedTracker*)thiz)->getObjects(RectFaces);
+	vector_Rect_to_Mat(RectFaces, *((Mat*)faces));
+    }
+    catch(cv::Exception e)
+    {
+	LOGD("nativeCreateObject catched cv::Exception: %s", e.what());
+	jclass je = jenv->FindClass("org/opencv/core/CvException");
+	if(!je)
+	    je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, e.what());
+    }
+    catch (...)
+    {
+	LOGD("nativeDetect catched unknown exception");
+	jclass je = jenv->FindClass("java/lang/Exception");
+	jenv->ThrowNew(je, "Unknown exception in JNI code {highgui::VideoCapture_n_1VideoCapture__()}");
+    }
+}