Mike42\Escpos\Printer::bitImage PHP Метод

    public function bitImage(EscposImage $img, $size = Printer::IMG_DEFAULT)
    {
        self::validateInteger($size, 0, 3, __FUNCTION__);
        $rasterData = $img->toRasterFormat();
        $header = Printer::dataHeader(array($img->getWidthBytes(), $img->getHeight()), true);
        $this->connector->write(self::GS . "v0" . chr($size) . $header);
        $this->connector->write($rasterData);
    }

<?php

/* Example print-outs using the older bit image print command */
require __DIR__ . '/../autoload.php';
use Mike42\Escpos\Printer;
use Mike42\Escpos\EscposImage;
use Mike42\Escpos\PrintConnectors\FilePrintConnector;
$connector = new FilePrintConnector("php://stdout");
$printer = new Printer($connector);
try {
    $tux = EscposImage::load("resources/tux.png", false);
    $printer->text("These example images are printed with the older\nbit image print command. You should only use\n\$p -> bitImage() if \$p -> graphics() does not\nwork on your printer.\n\n");
    $printer->bitImage($tux);
    $printer->text("Regular Tux (bit image).\n");
    $printer->feed();
    $printer->bitImage($tux, Printer::IMG_DOUBLE_WIDTH);
    $printer->text("Wide Tux (bit image).\n");
    $printer->feed();
    $printer->bitImage($tux, Printer::IMG_DOUBLE_HEIGHT);
    $printer->text("Tall Tux (bit image).\n");
    $printer->feed();
    $printer->bitImage($tux, Printer::IMG_DOUBLE_WIDTH | Printer::IMG_DOUBLE_HEIGHT);
    $printer->text("Large Tux in correct proportion (bit image).\n");
} catch (Exception $e) {
    /* Images not supported on your PHP, or image file not found */
    $printer->text($e->getMessage() . "\n");
}
$printer->cut();
$printer->close();