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Imagick::getImageAlphaChannel

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Imagick::getImageAlphaChannelGets the image alpha channel

Descrição

Imagick::getImageAlphaChannel ( void ) : int

Gets the image alpha channel value. The returned value is one of the alpha channel constants. Este método está disponível se o PHP foi compilado com o ImageMagick versão 6.4.0 ou superior.

Valor Retornado

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

Erros

Lança ImagickException em caso de erro.

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