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  • 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。