(PECL imagick 2.0.0)
ImagickDraw::matte — Paints on the image's opacity channel
本函数还未编写文档,仅有参数列表。
Paints on the image's opacity channel in order to set effected pixels to transparent, to influence the opacity of pixels.
x coordinate of the matte
y coordinate of the matte
PAINT_ constant
成功时返回 TRUE, 或者在失败时返回 FALSE.