(PECL haru >= 0.0.1)
Set the color mask of the image
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.
Parameters:
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.
Returns:
Returns TRUE on success.
Exception:
Throws a HaruException on error.
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