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Gmagick::getimagematte

(PECL gmagick >= Unknown)

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

说明

public Gmagick::getimagematte(): int

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

参数

此函数没有参数。

返回值

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

错误／异常

错误时抛出 GmagickException。