#include <iostream>
#include <zbar.h>

using namespace std;
using namespace zbar;

class MyHandler : public Image::Handler
{
    void image_callback(Image &image)
    {
	for (SymbolIterator symbol = image.symbol_begin();
	     symbol != image.symbol_end(); ++symbol)
	    cout << "decoded " << symbol->get_type_name() << " symbol "
		 << "\"" << symbol->get_data() << "\"" << endl;
    }
};

int main(int argc, char **argv)
{
    // create and initialize a Processor
    const char *device = "/dev/video0";

    if (argc > 1)
	device = argv[1];
    Processor proc(true, device);

    // configure the Processor
    proc.set_config(ZBAR_NONE, ZBAR_CFG_ENABLE, 1);

    // setup a callback
    MyHandler my_handler;
    proc.set_handler(my_handler);

    // enable the preview window
    proc.set_visible();
    proc.set_active();

    try {
	// keep scanning until user provides key/mouse input
	proc.user_wait();
    } catch (ClosedError &e) {
    }
    return (0);
}