?iť?
Your IP : 3.15.195.18
<?php
/**
* Not all printers support the same subset of available Esc/POS commands. Profiles allow you to specify
* which features are available on your printer, so that Escpos is less likely to send unsupported commands.
*/
abstract class AbstractCapabilityProfile {
/**
* Sub-classes must be retrieved via getInstance(), so that validation
* can be attached to guarantee that dud profiles are not used on an Escpos object.
*/
protected final function __construct() {
// This space intentionally left blank.
}
/**
* If getSupportedCodePages contains custom code pages, their character maps must be provided here.
*/
abstract function getCustomCodePages();
/**
* Return a map of code page numbers to names for this printer. Names
* should match iconv code page names where possible (non-matching names will not be used).
*/
abstract function getSupportedCodePages();
/**
* True to support barcode "function b", false to use only function A.
*/
abstract function getSupportsBarcodeB();
/**
* True for bitImage support, false for no bitImage support.
*/
abstract function getSupportsBitImage();
/**
* True for graphics support, false for no graphics support.
*/
abstract function getSupportsGraphics();
/**
* True for 'STAR original' commands, false for standard ESC/POS only.
*/
abstract function getSupportsStarCommands();
/**
* True if the printer renders its own QR codes, false to send an image.
*/
abstract function getSupportsQrCode();
/**
* @return AbstractCapabilityProfile Instance of sub-class.
*/
public static final function getInstance() {
static $profile = null;
if ($profile === null) {
$profile = new static();
}
return $profile;
}
}