(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::resetImagePage — Reset image page
$page): boolThe page definition as a string. The string is in format WxH+x+y. 此方法在Imagick基于ImageMagick 6.3.6以上版本编译时可用。
page
The page definition. For example 7168x5147+0+0
成功时返回 true�