(No version information available, might be only in CVS)
ImagickDraw::matte — Paints on the image's opacity channel
This function is currently not documented; only its argument list is available.
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
What the function returns, first on success, then on failure. See also the &return.success; entity