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 ) :
bool
Defines 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。
