Gmagick
PHP 手册

Gmagick::getimagematte

(PECL gmagick >= Unknown)

Gmagick::getimagematteReturn if the image has a matte channel

说明

public void Gmagick::getimagematte ( void )

Returns TRUE if the image has a matte channel otherwise false.

参数

This function has no parameters.

返回值

Returns TRUE if the image has a matte channel otherwise false.

错误/异常

Throws an GmagickException on error.


Gmagick
PHP 手册