QString ZBarReaderTest::decodeIterative(const QImage &image)
{
Image zbarImg(image.width(), image.height(), "Y800", image.bits(), image.bytesPerLine() * image.height());
QString line;
ImageScanner scanner;
scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
scanner.scan(zbarImg);
SymbolSet s = scanner.get_results();
int resSize = s.get_size();
if (resSize == 0) {
int fib1 = 1, fib2 = 1;
int fib;
for (fib = fib1 + fib2; fib < 11; fib = fib1 + fib2) {
int roiWidth = (1. / fib) * image.width(), roiHeight = (1. / fib) * image.height();
for (int x = 0; x < image.width(); x += 50) {
for (int y = 0; y < image.height(); y += 50) {
// qDebug () << "roiWidth" << roiWidth << "roiHeight" << roiHeight;
QImage img = image.copy(x, y, roiWidth, roiHeight);
Image i(img.width(), img.height(), "Y800", img.bits(), img.bytesPerLine() * img.height());
scanner.scan(i);
}
}
int temp = fib1;
fib1 = fib;
fib2 = temp;
}
}
SymbolSet s2 = scanner.get_results();
resSize = s2.get_size();
if (resSize > 0) {
mTotalRead++;
for (SymbolIterator symbol = scanner.get_results().symbol_begin(); symbol != scanner.get_results().symbol_end(); ++symbol) {
if (QString::compare("QR-Code ", QString(symbol->get_type_name().data()).trimmed()))
line += " | " + QString(symbol->get_data().data()).replace("\n", "<br>");
}
}
return line;
}
void QRScanner::init(char *raw, int width,int height){
// create a reader
ImageScanner scanner;
// configure the reader
scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
myImage = new Image(width, height, "Y800", raw, width * height);
// scan the image for barcodes
numLines = scanner.scan(*myImage);
}
/**
* This is a (modified) test program written by Michael Young
* (https://github.com/ayoungprogrammer/WebcamCodeScanner). It was modified to
* work with the Raspicam.
*/
int main(int argc, char* argv[])
{
PiCamera cam; // open the video camera no. 0
ImageScanner scanner;
scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
namedWindow("MyVideo",CV_WINDOW_AUTOSIZE); //create a window called "MyVideo"
while (1)
{
Mat frame = cam.Snap();
Mat grey;
cvtColor(frame,grey,CV_BGR2GRAY);
int width = frame.cols;
int height = frame.rows;
uchar *raw = (uchar *)grey.data;
// wrap image data
zbar::Image image(width, height, "Y800", raw, width * height);
// scan the image for barcodes
int n = scanner.scan(image);
// extract results
for(Image::SymbolIterator symbol = image.symbol_begin();
symbol != image.symbol_end();
++symbol) {
vector<Point> vp;
// do something useful with results
cout << "decoded " << symbol->get_type_name() << " symbol \"" << symbol->get_data() << '"' <<" "<< endl;
int n = symbol->get_location_size();
for(int i=0;i<n;i++){
vp.push_back(Point(symbol->get_location_x(i),symbol->get_location_y(i)));
}
RotatedRect r = minAreaRect(vp);
Point2f pts[4];
r.points(pts);
for(int i=0;i<4;i++){
line(frame,pts[i],pts[(i+1)%4],Scalar(255,0,0),3);
}
}
imshow("MyVideo", frame); //show the frame in "MyVideo" window
if (waitKey(30) == 27) //wait for 'esc' key press for 30ms. If 'esc' key is pressed, break loop
{
cout << "esc key is pressed by user" << endl;
break;
}
}
return 0;
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
ImageScanner scanner;
//scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
scanner.set_config(ZBAR_QRCODE, ZBAR_CFG_ENABLE, 1);
QImage qimage;
bool imgLoaded = qimage.load("C:/Users/emi/Dropbox/projekts/qt/zBar_32bit/codePictures/qrCode3.png");
if(imgLoaded == false)
{
qDebug() << "error loading image";
}
QImage convertedImage = qimage.convertToFormat(QImage::Format_Grayscale8,Qt::MonoOnly);
int width = convertedImage.width();
int height= convertedImage.height();
unsigned char * data = convertedImage.bits();
Image image(width, height, "Y800" , data, width*height);
// Image image(width, height, "GRAY" , data, width*height);
// scan the image for barcodes
int n = scanner.scan(image);
// extract results
for(Image::SymbolIterator symbol = image.symbol_begin();
symbol != image.symbol_end();
++symbol)
{
// do something useful with results
qDebug() << "decoded " << QString::fromStdString(symbol->get_type_name())
<< " symbol \"" << QString::fromStdString(symbol->get_data()) << '"' << endl;
}
// clean up
image.set_data(NULL, 0);
}
QString ZBarReaderTest::decode(const QImage &image)
{
Image zbarImg(image.width(), image.height(), "Y800", image.bits(), image.bytesPerLine() * image.height());
QString line;
ImageScanner scanner;
scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
scanner.scan(zbarImg);
SymbolSet s = scanner.get_results();
int resSize = s.get_size();
if (resSize > 0) {
mTotalRead++;
for (SymbolIterator symbol = scanner.get_results().symbol_begin(); symbol != scanner.get_results().symbol_end(); ++symbol) {
if (QString::compare("QR-Code ", QString(symbol->get_type_name().data()).trimmed()))
line += " | " + QString(symbol->get_data().data()).replace("\n", "<br>");
}
}
return line;
}
int main (int argc, char **argv)
{
unsigned long nowTime = getCurrentTime();
// std::cout<<"nowTime: "<<getCurrentTime()<<"\n";
if(argc < 2) return(1);
// create a reader
ImageScanner scanner;
// // configure the reader
scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
/* obtain image data */
int width = 1920, height = 1080;
char *raw = (char*)malloc(width*height);
get_yuv_data(argv[1], width, height, raw);
// wrap image data
Image image(width, height, "Y800", raw, width * height);
// scan the image for barcodes
int n = scanner.scan(image);
if(0==n||-1==n)
{
printf("no symbols were found or -1 if an error occurs");
return -1;
}
// extract results
for(Image::SymbolIterator symbol = image.symbol_begin();
symbol != image.symbol_end();
++symbol)
{
// do something useful with results
cout << "decoded " << symbol->get_type_name()
<< " symbol \"" << symbol->get_data() << '"' << endl;
}
// clean up
image.set_data(NULL, 0);
free(raw);
std::cout<<getCurrentTime()-nowTime<<"\n";
return(0);
}
void code_qr::decoder(Mat& img_qr, string& message){
ImageScanner scanner;
scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
Mat img;
img_qr.copyTo(img);
//if( !img.data ){
//return 0;
//}
Mat imgout;
cvtColor(img,imgout,CV_GRAY2RGB);
int width = img.cols;
int height = img.rows;
uchar *raw = (uchar *)img.data;
Image image(width, height, "Y800", raw, width * height);
int n = scanner.scan(image);
for(Image::SymbolIterator symbol = image.symbol_begin(); symbol != image.symbol_end(); ++symbol) {
message = symbol->get_data();
//cout << "decoded " << symbol->get_type_name()<< " symbol \"" << symbol->get_data() << '"' <<" "<< endl;
}
image.set_data(NULL, 0);
}
int main(int argc, char **argv) {
int cam_idx = 0;
if (argc == 2) {
cam_idx = atoi(argv[1]);
}
VideoCapture cap(cam_idx);
if (!cap.isOpened()) {
cerr << "Could not open camera." << endl;
exit(EXIT_FAILURE);
}
//cap.set(CV_CAP_PROP_FRAME_WIDTH, 640);
//cap.set(CV_CAP_PROP_FRAME_HEIGHT, 480);
namedWindow("captured", CV_WINDOW_AUTOSIZE);
// Create a zbar reader
ImageScanner scanner;
// Configure the reader
scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
for (;;) {
// Capture an OpenCV frame
cv::Mat frame, frame_grayscale;
cap >> frame;
// Convert to grayscale
cvtColor(frame, frame_grayscale, CV_BGR2GRAY);
// Obtain image data
int width = frame_grayscale.cols;
int height = frame_grayscale.rows;
uchar *raw = (uchar *)(frame_grayscale.data);
// Wrap image data
Image image(width, height, "Y800", raw, width * height);
// Scan the image for barcodes
//int n = scanner.scan(image);
scanner.scan(image);
// Extract results
int counter = 0;
for (Image::SymbolIterator symbol = image.symbol_begin(); symbol != image.symbol_end(); ++symbol) {
time_t now;
tm *current;
now = time(0);
current = localtime(&now);
// do something useful with results
cout << "[" << current->tm_hour << ":" << current->tm_min << ":" << setw(2) << setfill('0') << current->tm_sec << "] " << counter << " "
<< "decoded " << symbol->get_type_name()
<< " symbol \"" << symbol->get_data() << '"' << endl;
//cout << "Location: (" << symbol->get_location_x(0) << "," << symbol->get_location_y(0) << ")" << endl;
//cout << "Size: " << symbol->get_location_size() << endl;
// Draw location of the symbols found
if (symbol->get_location_size() == 4) {
//rectangle(frame, Rect(symbol->get_location_x(i), symbol->get_location_y(i), 10, 10), Scalar(0, 255, 0));
line(frame, Point(symbol->get_location_x(0), symbol->get_location_y(0)), Point(symbol->get_location_x(1), symbol->get_location_y(1)), Scalar(0, 255, 0), 2, 8, 0);
line(frame, Point(symbol->get_location_x(1), symbol->get_location_y(1)), Point(symbol->get_location_x(2), symbol->get_location_y(2)), Scalar(0, 255, 0), 2, 8, 0);
line(frame, Point(symbol->get_location_x(2), symbol->get_location_y(2)), Point(symbol->get_location_x(3), symbol->get_location_y(3)), Scalar(0, 255, 0), 2, 8, 0);
line(frame, Point(symbol->get_location_x(3), symbol->get_location_y(3)), Point(symbol->get_location_x(0), symbol->get_location_y(0)), Scalar(0, 255, 0), 2, 8, 0);
}
// Get points
/*for (Symbol::PointIterator point = symbol.point_begin(); point != symbol.point_end(); ++point) {
cout << point << endl;
} */
counter++;
}
// Show captured frame, now with overlays!
imshow("captured", frame);
// clean up
image.set_data(NULL, 0);
waitKey(30);
}
return 0;
}
JNIEXPORT void JNICALL Java_com_example_qr_MainActivity_nativeDetect(
JNIEnv * jenv, jclass, jlong imageGray) {
LOGD(
"Java_org_opencv_samples_facedetect_DetectionBasedTracker_nativeDetect enter");
try {
vector<Rect> RectFaces;
// ((DetectionBasedTracker*)thiz)->process(*((Mat*)imageGray));
// ((DetectionBasedTracker*)thiz)->getObjects(RectFaces);
// vector_Rect_to_Mat(RectFaces, *((Mat*)faces));
Mat img = *((Mat*) imageGray);
Mat imgout;
cvtColor(img, imgout, CV_GRAY2RGB);
int width = img.cols;
int height = img.rows;
uchar *raw = (uchar *) img.data;
// uchar *raw = (uchar *) imageGray;
// wrap image data
Image image(width, height, "Y800", raw, width * height);
// scan the image for barcodes
ImageScanner scanner;
scanner.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
int n = scanner.scan(image);
// extract results
for (Image::SymbolIterator symbol = image.symbol_begin();
symbol != image.symbol_end(); ++symbol) {
vector<Point> vp;
// do something useful with results
cout << "decoded " << symbol->get_type_name() << " symbol \""
<< symbol->get_data() << '"' << " " << endl;
int n = symbol->get_location_size();
for (int i = 0; i < n; i++) {
vp.push_back(
Point(symbol->get_location_x(i),
symbol->get_location_y(i)));
}
RotatedRect r = minAreaRect(vp);
Point2f pts[4];
r.points(pts);
for (int i = 0; i < 4; i++) {
line(imgout, pts[i], pts[(i + 1) % 4], Scalar(255, 0, 0), 3);
}
cout << "Angle: " << r.angle << endl;
}
imshow("imgout.jpg", imgout);
// clean up
image.set_data(NULL, 0);
waitKey();
} catch (cv::Exception& e) {
LOGD("nativeCreateObject caught 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 caught unknown exception");
jclass je = jenv->FindClass("java/lang/Exception");
jenv->ThrowNew(je,
"Unknown exception in JNI code DetectionBasedTracker.nativeDetect()");
}
LOGD(
"Java_org_opencv_samples_facedetect_DetectionBasedTracker_nativeDetect exit");
}
int main(int argc, char *argv[])
{
AmConfig *config = new AmConfig();
int enable_send_ipaddr = 0;
unsigned short server_msg_port = 4848;//hard default code here
unsigned short local_msg_port = 8484;//hard default code here
int i = 0;
int dgram_socket = -1;
struct sockaddr_in dest_addr;
int get_url = 0;
char server_ip_addr_buffer[64] = {0};
char local_ip_addr_buffer[INET6_ADDRSTRLEN + 4] = {0};//plus 4 for safe
char local_rtsp_url_buffer[128] = {0};
//If you have different config, please set it here
config->set_vin_config_path(SIMPLE_CAM_VIN_CONFIG);
//config->set_vout_config_path (vout_config_path);
//config->set_vdevice_config_path (vdevice_config_path);
//config->set_record_config_path (record_config_path);
//simple check arguments
if (argc > 1) {
for (i = 0; i < argc; ++ i) {
if (!strcmp("--enable-msgport", argv[i])) {
enable_send_ipaddr = 1;
fprintf(stdout, "\tparams: enable msg port.\n");
} else if (!strcmp("--msgport", argv[i])) {
++ i;
server_msg_port = atoi(argv[i]);
fprintf(stdout, "\tparams: msg port %hu.\n", server_msg_port);
} else if (!strcmp("--localmsgport", argv[i])) {
++ i;
local_msg_port = atoi(argv[i]);
fprintf(stdout, "\tparams: local msg port %hu.\n", local_msg_port);
}
}
}
if (config && config->load_vdev_config()) {
VDeviceParameters *vdevConfig = config->vdevice_config();
YBufferFormat yBuffer = {0};
ImageScanner zbarScanner;
int retVal = 0;
int count = 0;
if (vdevConfig) {
AmSimpleCam simplecam(vdevConfig);
for (uint32_t i = 0; i < vdevConfig->vin_number; ++ i) {
simplecam.set_vin_config(config->vin_config(i), i);
}
for (uint32_t i = 0; i < vdevConfig->vout_number; ++ i) {
simplecam.set_vout_config(config->vout_config(i), i);
}
simplecam.set_encoder_config(config->encoder_config());
for (uint32_t i = 0; i < vdevConfig->stream_number; ++ i) {
simplecam.set_stream_config(config->stream_config(i), i);
}
do {
if (simplecam.get_y_data(&yBuffer)) {
Image image(yBuffer.y_width, yBuffer.y_height, "Y800",
yBuffer.y_addr, yBuffer.y_width * yBuffer.y_height);
if (AM_LIKELY((retVal = zbarScanner.scan(image)) > 0)) {
for (Image::SymbolIterator symbol = image.symbol_begin();
symbol != image.symbol_end(); ++ symbol) {
fprintf(stdout, "\n%s\n\n", symbol->get_data().c_str());
if (enable_send_ipaddr) {
get_url = 1;
strncpy(server_ip_addr_buffer, symbol->get_data().c_str(),
sizeof(server_ip_addr_buffer) - 1);
server_ip_addr_buffer[sizeof(server_ip_addr_buffer) - 1] = 0x0;
}
}
} else if (retVal == 0) {
NOTICE("No symbold found!");
} else if (retVal < 0) {
ERROR("Zbar scan error!");
}
} else {
ERROR("Failed to get Y data!");
}
++ count;
} while ((retVal <= 0) && (count < 20));
if (count >= 20) {
ERROR("Failed to resolve symbol!");
}
} else {
ERROR("Faild to get VideoDevice's configurations!");
}
delete config;
} else {
ERROR("Failed to load configurations!");
}
//parse host ipaddress, and port, have
if (enable_send_ipaddr && get_url) {
dgram_socket = _setup_datagram_socket(INADDR_ANY, local_msg_port, false);
if (_build_addr_from_url(&dest_addr, server_ip_addr_buffer,
server_msg_port) < 0) {
ERROR("build addr fail, url %s\n", server_ip_addr_buffer);
} else {
//send rtsp url to server
_get_local_ip_address(local_ip_addr_buffer);
_buildup_rtsp_url(local_ip_addr_buffer, local_rtsp_url_buffer,
sizeof(local_rtsp_url_buffer) - 1, "stream1+stream2");
_post_msg_to_server(local_rtsp_url_buffer, &dest_addr, dgram_socket);
}
if (dgram_socket >= 0) {
close(dgram_socket);
}
}
return 0;
}
int main(int argc, char *argv[])
{
if (argc < 2 || argc > 3) {
NOTICE("Usage: %s <YUV filename>", argv[0]);
return 0;
}
int status;
FILE *fp = NULL;
AmConfig *config = new AmConfig();
char command[128];
snprintf(command, sizeof(command),
"ImageServerDaemon");
status = system(command);
if (WEXITSTATUS(status)) {
ERROR("Failed to run ImageServerDaemon");
}
if (NULL == (fp = fopen(argv[1],"wb+"))) {
ERROR("Failed to open %s: %s", argv[1], strerror(errno));
return -1;
}
//If you have different config, please set it here
config->set_vin_config_path(SIMPLE_CAM_VIN_CONFIG);
//config->set_vout_config_path (vout_config_path);
//config->set_vdevice_config_path (vdevice_config_path);
//config->set_record_config_path (record_config_path);
if (config && config->load_vdev_config()) {
VDeviceParameters *vdevConfig = config->vdevice_config();
if (vdevConfig) {
AmSimpleCam simplecam(vdevConfig);
for (uint32_t i = 0; i < vdevConfig->vin_number; ++ i) {
simplecam.set_vin_config(config->vin_config(i), i);
}
for (uint32_t i = 0; i < vdevConfig->vout_number; ++ i) {
simplecam.set_vout_config(config->vout_config(i), i);
}
simplecam.set_encoder_config(config->encoder_config());
for (uint32_t i = 0; i < vdevConfig->stream_number; ++ i) {
simplecam.set_stream_config(config->stream_config(i), i);
}
if (AM_LIKELY(simplecam.enter_preview())) {
YBufferFormat yBuffer = {0};
ImageScanner zbarScanner;
int retVal = 0;
int count = 0;
do {
if (simplecam.get_y_data(&yBuffer)) {
Image image(yBuffer.y_width, yBuffer.y_height, "Y800",
yBuffer.y_addr, yBuffer.y_width * yBuffer.y_height);
if (AM_LIKELY((retVal = zbarScanner.scan(image)) > 0)) {
for (Image::SymbolIterator symbol = image.symbol_begin();
symbol != image.symbol_end(); ++ symbol) {
fprintf(stdout, "\n%s\n\n", symbol->get_data().c_str());
}
snprintf(command, sizeof(command),
"aplay -vv -fdat ./OK.wav");
status = system(command);
if (WEXITSTATUS(status)) {
ERROR("Failed to play wav file");
}
size_t written = fwrite(yBuffer.y_addr, sizeof(uint8_t),
yBuffer.y_height * yBuffer.y_width, fp);
NOTICE("written data: %d Bytes, width: %d, height: %d.",
written, yBuffer.y_width, yBuffer.y_height);
} else if (retVal == 0) {
NOTICE("No symbold found!");
} else if (retVal < 0) {
ERROR("Zbar scan error!");
}
} else {
ERROR("Failed to get Y data!");
}
++ count;
} while ((retVal <= 0) && (count < 20));
if (count >= 20) {
snprintf(command, sizeof(command),
"aplay -vv -fdat ./ERROR.wav");
status = system(command);
if (WEXITSTATUS(status)) {
ERROR("Failed to play wav file");
}
ERROR("Failed to resolve symbol!");
size_t written = fwrite(yBuffer.y_addr, sizeof(uint8_t),
yBuffer.y_height * yBuffer.y_width, fp);
NOTICE("written data: %d Bytes, width: %d, height: %d.",
written, yBuffer.y_width, yBuffer.y_height);
}
} else {
ERROR("Failed to enter preview!");
}
} else {
ERROR("Faild to get VideoDevice's configurations!");
}
delete config;
} else {
ERROR("Failed to load configurations!");
}
snprintf(command, sizeof(command),
"ImageServerDaemon -k");
status = system(command);
if (WEXITSTATUS(status)) {
ERROR("Failed to kill ImageServerDaemon");
}
fclose(fp);
return 0;
}