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Imagick::getImageAlphaChannel

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Imagick::getImageAlphaChannelGets the image alpha channel

Descrição

int Imagick::getImageAlphaChannel ( void )

Gets the image alpha channel value. The returned value is one of the alpha channel constants. This method is available if Imagick has been compiled against ImageMagick version 6.4.0 or newer.

Valor Retornado

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

Erros

Throws ImagickException on error.

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