HaruImage::setMaskImage

(PECL haru >= 0.0.1)

HaruImage::setMaskImage — Set the image mask

bool HaruImage::setMaskImage ( object $mask_image )

Sets the image used as image-mask. It must be 1bit gray-scale color image.

Returns TRUE on success.

发生错误时抛出 HaruException 异常。