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

发生错误时抛出 HaruException 异常。