/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$rootPath = $this->getContainer()->get('kernel')->getRootDir() . '/../';
require_once $rootPath . 'vendor/mike42/escpos-php/Escpos.php';
$imagePath = $rootPath . 'resources/elephant-256x256.png';
$img = new \EscposImage($imagePath);
$connector = new \FilePrintConnector('/dev/usb/lp0');
$printer = new \Escpos($connector);
$printer->initialize();
$printer->text('*************************\\n');
$printer->text('Un petit elephant');
$printer->feed(2);
$printer->bitImage($img);
$printer->feed(2);
$printer->text('*************************\\n');
/* Always close the printer! On some PrintConnectors, no actual
* data is sent until the printer is closed. */
$printer->close();
return 0;
}
<?php
/**
* This is a demo script for the functions of the PHP ESC/POS print driver,
* Escpos.php.
*
* Most printers implement only a subset of the functionality of the driver, so
* will not render this output correctly in all cases.
*
* @author Michael Billington <*****@*****.**>
*/
require_once dirname(__FILE__) . "/../Escpos.php";
$printer = new Escpos();
/* Initialize */
$printer->initialize();
/* Text */
$printer->text("Hello world\n");
$printer->cut();
/* Line feeds */
$printer->text("ABC");
$printer->feed(7);
$printer->text("DEF");
$printer->feedReverse(3);
$printer->text("GHI");
$printer->feed();
$printer->cut();
/* Font modes */
$modes = array(Escpos::MODE_FONT_B, Escpos::MODE_EMPHASIZED, Escpos::MODE_DOUBLE_HEIGHT, Escpos::MODE_DOUBLE_WIDTH, Escpos::MODE_UNDERLINE);
for ($i = 0; $i < pow(2, count($modes)); $i++) {
$bits = str_pad(decbin($i), count($modes), "0", STR_PAD_LEFT);
$mode = 0;