PHP Unconference Europe 2015

Imagick::getImageAlphaChannel

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Imagick::getImageAlphaChannelGets the image alpha channel

Descrierea

int Imagick::getImageAlphaChannel ( void )

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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