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    Imagick::getImageAlphaChannel

    (PECL imagick 2 >= 2.3.0, PECL imagick 3)

    Imagick::getImageAlphaChannel — Gets the image alpha channel

    Descrierea

    public Imagick::getImageAlphaChannel ( ) : int

    Gets the image alpha channel value. The returned value is one of the alpha channel constants. Această metodă este disponibilă dacă Imagick a fost compilat cu ImageMagick de versiunea 6.4.0 sau ulterior.

    Valorile întoarse

    Returns a constant defining the current alpha channel value. Refer to this list of alpha channel constants.

    Erori/Excepții

    Emite ImagickException în caz de eroare.

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