<?php

class Controller extends CI_Controller
{

	function __construct()
	{
		parent::__construct();
	}

	function index()
	{
		$this->load->view('view');
	}

	function generateQr()
	{
		$string = $this->input->post('string');

		$this->load->library('ciqrcode'); // pemanggilan library

		$config['cacheable']	= true; // boolean, defaultnya true
		$config['cachedir']		= './assets/'; //string, the default is application/cache/
		$config['errorlog']		= './assets/'; //string, the default is application/logs/
		$config['imagedir']		= './assets/images/'; // direktori penyimpanan qr code
		$config['quality']		= true; // boolean, defaultnya true
		$config['size']			= 1024; // integer, defaultnya 1024;
		$config['black']		= array(224, 255, 255); // array, defaultnya array(255, 255, 255)
		$config['white']		= array(70, 130, 180); // array, defaultnya array(0, 0, 0);
		$this->ciqrcode->initialize($config);

		$image_name = $string.'.png'; // pembuatan nama qr code

		$params['data']		= $string;
		$params['level']	= 'L';
		$params['size']		= 10;
		$params['savename']	= FCPATH.$config['imagedir'].$image_name;
		$qr = $this->ciqrcode->generate($params);

		$this->print_receipt($image_name);

		redirect('');
	}

	function print_receipt($string)
	{
		// load library
		require(FCPATH.'/vendor/autoload.php');

		// membuat connector printer ke shared printer bernama "printer_a" (yang telah disetting sebelumnya)
		/**
		 * cara setting printer:
		 * 1. masuk ke control panel -> devices and printers
		 * 2. klik kanan printer, pilih "Set as Default Printer"
		 * 3. klik kanan printer, pilih "Printer properties"
		 * 4. pilih tab "Sharing"
		 * 5. centang checkbox "Share this printer"
		 * 6. isi nama di kolom "Share name". Share name ini akan digunakan sebagai parameter connector
		 * 7. klik apply/OK
		 * */
        $connector = new Mike42\Escpos\PrintConnectors\WindowsPrintConnector("printer_a");

        // membuat objek $printer agar dapat di lakukan fungsinya
        $printer = new Mike42\Escpos\Printer($connector);

        $printer->initialize();
        $printer->text("QR CODE");
        $printer->text("\n");

        $printer->initialize();
        $tux = Mike42\Escpos\EscposImage::load(base_url().'assets/images/'.$string, false);
        $printer->bitImageColumnFormat($tux, Mike42\Escpos\Printer::IMG_DOUBLE_WIDTH || Mike42\Escpos\Printer::IMG_DOUBLE_HEIGHT);
        $printer->text("\n");

        $printer->feed(2); // mencetak 2 baris kosong, agar kertas terangkat ke atas
        $printer->cut();

        $printer->close();
	}
}