HaruImage::setMaskImage
(PECL haru:0.0.1)
HaruImage::setMaskImage — Set the image mask
说明
bool HaruImage::setMaskImage
( object $mask_image
)
Sets the image used as image-mask. It must be 1bit gray-scale color image.
参数
- mask_image
-
A valid HaruImage instance.
返回值
Returns TRUE on success.
错误／异常
Throws HaruException on error.