populate epson escape commands

EscapeCommand.php

<?php

/**
 * @author Ihsan Faisal
 */
class EscapeCommand
{
    const ESC = "\x1B";

    private $commands = "";

    public function __construct() {
        $this->commands = "";
        $this->addResetCommand();
    }

    public function getCommands() {
        return $this->commands;
    }

    public function addResetCommand() {
        $this->commands .= self::ESC . "@";
        return $this->commands;
    }

    public function addLineSpacing_1_6() {
        $this->commands .= self::ESC . "2";
        return $this->commands;
    }

    public function addLineSpacing_1_8() {
        $this->commands .= self::ESC . "0";
        return $this->commands;
    }

    public function addLineSpacing_n_216($n) {
        $this->commands .= self::ESC . "3" . "\x$n";
        return $this->commands;
    }

    public function addPageLength33Lines() {
        $this->commands .= self::ESC . "C" . "\x21";
        return $this->commands;
    }

    public function addMarginBottom5Lines() {
        $this->commands .= self::ESC . "N" . "\x05";
        return $this->commands;
    }

    public function addMaster10CPI() {
        $this->commands .= self::ESC . "!" . "\x00";
        return $this->commands;
    }

    public function addMasterCondensed() {
        $this->commands .= self::ESC . "!" . "\x04";
        return $this->commands;
    }

    public function addModeDraft() {
        $this->commands .= self::ESC . "x" . "\x00";
        return $this->commands;
    }

    public function addModeNLQ() {
        $this->commands .= self::ESC . "x" . "\x01";
        return $this->commands;
    }

    public function addFormFeed() {
        $this->commands .= "\x0C";
        return $this->commands;
    }

    public function addContent($content) {
        $this->commands .= $content;
        return $this->commands;
    }
}


$commands = new EscapeCommand();
$commands->addLineSpacing_1_6();
$commands->addPageLength33Lines();
$commands->addMarginBottom5Lines();
$commands->addMaster10CPI();
$commands->addMasterCondensed();
$commands->addModeDraft();

$commands->addContent("Sample content\r\n");
$commands->addContent("Sample content\r\n");
$commands->addContent("Sample content\r\n");
$commands->addContent("Sample content\r\n");
$commands->addContent("Sample content\r\n");

$commands->addFormFeed();
$commands->addResetCommand();


$fp = fopen("/path/to/a/file", "w");
fwrite($fp, $commands->getCommands());
fclose($fp);