Gmagick::getimagematte

(PECL gmagick >= Unknown)

Gmagick::getimagematte — Check if the image has a matte channel

public Gmagick::getimagematte(): int

Returns true if the image has a matte channel, otherwise false.

此函数没有参数。

Returns true if the image has a matte channel, otherwise false.

错误时抛出 GmagickException。