Documentation

QRCodeReaderOptionsTrait

Trait QRCodeReaderOptionsTrait

$readerGrayscale : bool
$readerIncreaseContrast : bool
$readerInvertColors : bool
$readerUseImagickIfAvailable : bool
$readerGrayscale : bool: Grayscale the image before reading
$readerIncreaseContrast : bool: Increase the contrast before reading
$readerInvertColors : bool: Invert the colors of the image
$readerUseImagickIfAvailable : bool: Use Imagick (if available) when reading QR Codes

set_readerUseImagickIfAvailable() : void: enables Imagick for the QR Code reader if the extension is available


    public
        bool
    $readerGrayscale


    public
        bool
    $readerIncreaseContrast


    public
        bool
    $readerInvertColors


    public
        bool
    $readerUseImagickIfAvailable

Grayscale the image before reading


    protected
        bool
    $readerGrayscale
     = false

Increase the contrast before reading


    protected
        bool
    $readerIncreaseContrast
     = false

note that applying contrast works different in GD and Imagick, so mileage may vary

Invert the colors of the image


    protected
        bool
    $readerInvertColors
     = false

Use Imagick (if available) when reading QR Codes


    protected
        bool
    $readerUseImagickIfAvailable
     = false

enables Imagick for the QR Code reader if the extension is available


    protected
                    set_readerUseImagickIfAvailable(bool $useImagickIfAvailable) : void