HaruImage::setColorMask
(PECL haru:0.0.1)
HaruImage::setColorMask — Set the color mask of the image
说明
bool HaruImage::setColorMask
( int $rmin
, int $rmax
, int $gmin
, int $gmax
, int $bmin
, int $bmax
)
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
Throws HaruException on error.
