// ----------------------------------------------------------------------------
// Stops the Camera
// ----------------------------------------------------------------------------
JNIEXPORT void JNICALL
Java_com_qualcomm_QCARSamples_CloudRecognition_CloudReco_stopCamera(JNIEnv *,jobject)
{
// Stop the tracker:
QCAR::TrackerManager& trackerManager = QCAR::TrackerManager::getInstance();
QCAR::ImageTracker* imageTracker = static_cast<QCAR::ImageTracker*>(
trackerManager.getTracker(QCAR::Tracker::IMAGE_TRACKER));
assert(imageTracker != 0);
imageTracker->stop();
// Stop cloud based recognition:
QCAR::TargetFinder* targetFinder = imageTracker->getTargetFinder();
assert (targetFinder != 0);
crStarted = !targetFinder->stop();
//Clears the trackables
targetFinder->clearTrackables();
QCAR::CameraDevice::getInstance().stop();
QCAR::CameraDevice::getInstance().deinit();
// When the camera stops it clears the Product Texture ID so next time textures
// Are recreated
deleteCurrentProductTexture = true;
// Initialize all state Variables
initStateVariables();
}
JNIEXPORT void JNICALL
Java_rajawali_vuforia_RajawaliVuforiaActivity_stopCamera(JNIEnv *, jobject) {
LOG("Java_rajawali_vuforia_RajawaliVuforiaActivity_stopCamera");
// Stop the tracker:
QCAR::TrackerManager& trackerManager = QCAR::TrackerManager::getInstance();
QCAR::Tracker* markerTracker = trackerManager.getTracker(
QCAR::MarkerTracker::getClassType());
if (markerTracker != 0)
markerTracker->stop();
QCAR::ImageTracker* imageTracker =
static_cast<QCAR::ImageTracker*>(trackerManager.getTracker(
QCAR::ImageTracker::getClassType()));
if (imageTracker != 0)
imageTracker->stop();
QCAR::CameraDevice::getInstance().stop();
// Stop Cloud Reco:
QCAR::TargetFinder* targetFinder = imageTracker->getTargetFinder();
assert(targetFinder != 0);
targetFinder->stop();
// Clears the trackables
targetFinder->clearTrackables();
QCAR::CameraDevice::getInstance().deinit();
initStateVariables();
}
// ----------------------------------------------------------------------------
// Initialize Native Application
// ----------------------------------------------------------------------------
JNIEXPORT void JNICALL
Java_com_qualcomm_QCARSamples_CloudRecognition_CloudReco_initApplicationNative(
JNIEnv* env, jobject obj, jint width, jint height)
{
// Store screen dimensions
screenWidth = width;
screenHeight = height;
// Handle to the activity class:
jclass activityClass = env->GetObjectClass(obj);
// Register callback function that gets called every time a tracking cycle
// has finished and we have a new AR state available
QCAR::registerCallback(&updateCallback);
// Screen size:
QCAR::Vec2F screenSize;
screenSize.data[0] = (float) screenWidth;
screenSize.data[1] = (float) screenHeight;
// Initialise the method handle for showing error messages:
showErrorMethodID = env->GetMethodID(activityClass, "showErrorMessage", "(I)V");
if (showErrorMethodID == 0)
{
LOG("Function showErrorMessage() not found.");
return;
}
// Initialize Java mathods to be called from Native code
createProductTextureID = env->GetMethodID(activityClass, "createProductTexture", "(Ljava/lang/String;)V");
getProductTextureID = env->GetMethodID(activityClass, "getProductTexture", "()Lcom/qualcomm/QCARSamples/CloudRecognition/Texture;");
showStatusBarID = env->GetMethodID(activityClass, "showStatusBar", "()V");
hideStatusBarID = env->GetMethodID(activityClass, "hideStatusBar", "()V");
setStatusBarTextID = env->GetMethodID(activityClass, "setStatusBarText", "(Ljava/lang/String;)V");
enterContentModeID = env->GetMethodID(activityClass,"enterContentMode", "()V");
activityObj = env->NewGlobalRef(obj);
// Reset global variables:
initStateVariables();
}
