HaruImage::setColorMask
(PECL haru >= 0.0.1)
HaruImage::setColorMask — Set the color mask of the image
说明
HaruImage::setColorMask
( int
$rmin
, int $rmax
, int $gmin
, int $gmax
, int $bmin
, int $bmax
) : boolDefines the transparent color of the image using the RGB range values. The color within the range is displayed as a transparent color. The color space of the image must be RGB.
参数
-
rmin -
The lower limit of red. Must be between 0 and 255.
-
rmax -
The upper limit of red. Must be between 0 and 255.
-
gmin -
The lower limit of green. Must be between 0 and 255.
-
gmax -
The upper limit of green. Must be between 0 and 255.
-
bmin -
The lower limit of blue. Must be between 0 and 255.
-
bmax -
The upper limit of blue. Must be between 0 and 255.
返回值
Returns TRUE on success.
错误／异常
发生错误时抛出 HaruException 异常。