# woocommerce-pos/1.9.15/vendor_prefixed/chillerlan/php-qrcode/src/Output/QROutputInterface.php

WCPOS – Point of Sale (POS) plugin for WooCommerce, version 1.9.15. 194 lines.

- Page: https://pluginprobe.com/plugins/woocommerce-pos/1.9.15/code/vendor_prefixed/chillerlan/php-qrcode/src/Output/QROutputInterface.php
- Raw: https://pluginprobe.com/plugins/woocommerce-pos/1.9.15/raw/vendor_prefixed/chillerlan/php-qrcode/src/Output/QROutputInterface.php
- Modified: 2026-06-09T13:55:26+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/woocommerce-pos/1.9.15/code/vendor_prefixed/chillerlan/php-qrcode/src/Output/QROutputInterface.php#L10-L20`.

```php
<?php

/**
 * Interface QROutputInterface,
 *
 * @created      02.12.2015
 * @author       Smiley <smiley@chillerlan.net>
 * @copyright    2015 Smiley
 * @license      MIT
 */
namespace WCPOS\Vendor\chillerlan\QRCode\Output;

use WCPOS\Vendor\chillerlan\QRCode\Data\QRMatrix;
/**
 * Converts the data matrix into readable output
 */
interface QROutputInterface
{
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const MARKUP_HTML = 'html';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const MARKUP_SVG = 'svg';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const GDIMAGE_BMP = 'bmp';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const GDIMAGE_GIF = 'gif';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const GDIMAGE_JPG = 'jpg';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const GDIMAGE_PNG = 'png';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const GDIMAGE_WEBP = 'webp';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const STRING_JSON = 'json';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const STRING_TEXT = 'text';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const IMAGICK = 'imagick';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const FPDF = 'fpdf';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const EPS = 'eps';
    /**
     * @var string
     * @deprecated 5.0.0 <no replacement>
     * @see https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const CUSTOM = 'custom';
    /**
     * Map of built-in output modes => class FQN
     *
     * @var string[]
     * @deprecated 5.0.0 <no replacement>
     * @see        https://github.com/chillerlan/php-qrcode/issues/223
     */
    public const MODES = [self::MARKUP_SVG => QRMarkupSVG::class, self::MARKUP_HTML => QRMarkupHTML::class, self::GDIMAGE_BMP => QRGdImageBMP::class, self::GDIMAGE_GIF => QRGdImageGIF::class, self::GDIMAGE_JPG => QRGdImageJPEG::class, self::GDIMAGE_PNG => QRGdImagePNG::class, self::GDIMAGE_WEBP => QRGdImageWEBP::class, self::STRING_JSON => QRStringJSON::class, self::STRING_TEXT => QRStringText::class, self::IMAGICK => QRImagick::class, self::FPDF => QRFpdf::class, self::EPS => QREps::class];
    /**
     * Map of module type => default value
     *
     * @var bool[]
     */
    public const DEFAULT_MODULE_VALUES = [
        // light
        QRMatrix::M_NULL => \false,
        QRMatrix::M_DARKMODULE_LIGHT => \false,
        QRMatrix::M_DATA => \false,
        QRMatrix::M_FINDER => \false,
        QRMatrix::M_SEPARATOR => \false,
        QRMatrix::M_ALIGNMENT => \false,
        QRMatrix::M_TIMING => \false,
        QRMatrix::M_FORMAT => \false,
        QRMatrix::M_VERSION => \false,
        QRMatrix::M_QUIETZONE => \false,
        QRMatrix::M_LOGO => \false,
        QRMatrix::M_FINDER_DOT_LIGHT => \false,
        // dark
        QRMatrix::M_DARKMODULE => \true,
        QRMatrix::M_DATA_DARK => \true,
        QRMatrix::M_FINDER_DARK => \true,
        QRMatrix::M_SEPARATOR_DARK => \true,
        QRMatrix::M_ALIGNMENT_DARK => \true,
        QRMatrix::M_TIMING_DARK => \true,
        QRMatrix::M_FORMAT_DARK => \true,
        QRMatrix::M_VERSION_DARK => \true,
        QRMatrix::M_QUIETZONE_DARK => \true,
        QRMatrix::M_LOGO_DARK => \true,
        QRMatrix::M_FINDER_DOT => \true,
    ];
    /**
     * Map of module type => readable name (for CSS etc.)
     *
     * @var string[]
     */
    public const LAYERNAMES = [
        // light
        QRMatrix::M_NULL => 'null',
        QRMatrix::M_DARKMODULE_LIGHT => 'darkmodule-light',
        QRMatrix::M_DATA => 'data',
        QRMatrix::M_FINDER => 'finder',
        QRMatrix::M_SEPARATOR => 'separator',
        QRMatrix::M_ALIGNMENT => 'alignment',
        QRMatrix::M_TIMING => 'timing',
        QRMatrix::M_FORMAT => 'format',
        QRMatrix::M_VERSION => 'version',
        QRMatrix::M_QUIETZONE => 'quietzone',
        QRMatrix::M_LOGO => 'logo',
        QRMatrix::M_FINDER_DOT_LIGHT => 'finder-dot-light',
        // dark
        QRMatrix::M_DARKMODULE => 'darkmodule',
        QRMatrix::M_DATA_DARK => 'data-dark',
        QRMatrix::M_FINDER_DARK => 'finder-dark',
        QRMatrix::M_SEPARATOR_DARK => 'separator-dark',
        QRMatrix::M_ALIGNMENT_DARK => 'alignment-dark',
        QRMatrix::M_TIMING_DARK => 'timing-dark',
        QRMatrix::M_FORMAT_DARK => 'format-dark',
        QRMatrix::M_VERSION_DARK => 'version-dark',
        QRMatrix::M_QUIETZONE_DARK => 'quietzone-dark',
        QRMatrix::M_LOGO_DARK => 'logo-dark',
        QRMatrix::M_FINDER_DOT => 'finder-dot',
    ];
    /**
     * @var      string
     * @see      \chillerlan\QRCode\Output\QROutputAbstract::toBase64DataURI()
     * @internal do not call this constant from the interface, but rather from one of the child classes
     */
    public const MIME_TYPE = '';
    /**
     * Determines whether the given value is valid
     *
     * @param mixed $value
     */
    public static function moduleValueIsValid($value) : bool;
    /**
     * Generates the output, optionally dumps it to a file, and returns it
     *
     * please note that the value of QROptions::$cachefile is already evaluated at this point.
     * if the output module is invoked manually, it has no effect at all.
     * you need to supply the $file parameter here in that case (or handle the option value in your custom output module).
     *
     * @see \chillerlan\QRCode\QRCode::renderMatrix()
     *
     * @return mixed
     */
    public function dump(?string $file = null);
}

```