HaruImage::setColorMask()
(PECL haru >= 0.0.1)
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。