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<?php
namespace SimpleSoftwareIO\QrCode;
interface QrCodeInterface
{
/**
* Generates a QrCode.
*
* @param string $text The text to be converted into a QrCode
* @param null|string $filename The filename and path to save the QrCode file
*
* @return string|void Returns a QrCode string depending on the format, or saves to a file.
*/
public function generate($text, $filename = null);
/**
* Switches the format of the outputted QrCode or defaults to SVG.
*
* @param string $format
*
* @return $this
*/
public function format($format);
/**
* Changes the size of the QrCode.
*
* @param int $pixels The size of the QrCode in pixels
*
* @return $this
*/
public function size($pixels);
/**
* Changes the foreground color of a QrCode.
*
* @param int $red
* @param int $green
* @param int $blue
*
* @return $this
*/
public function color($red, $green, $blue);
/**
* Changes the background color of a QrCode.
*
* @param int $red
* @param int $green
* @param int $blue
*
* @return $this
*/
public function backgroundColor($red, $green, $blue);
/**
* Changes the error correction level of a QrCode.
*
* @param string $level Desired error correction level. L = 7% M = 15% Q = 25% H = 30%
*
* @return $this
*/
public function errorCorrection($level);
/**
* Creates a margin around the QrCode.
*
* @param int $margin The desired margin in pixels around the QrCode
*
* @return $this
*/
public function margin($margin);
/**
* Sets the Encoding mode.
*
* @param string $encoding
*
* @return $this
*/
public function encoding($encoding);
/**
* Merges an image with the center of the QrCode.
*
* @param $image string The filepath to an image
* @param $percentage float The percentage that the merge image should take up.
*
* @return $this
*/
public function merge($image, $percentage = .2);
}