# HaruImage::setColorMask

(PECL haru >= 0.0.1)

HaruImage::setColorMask — Set the color mask of the image

### Description

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.

### 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.

### Return Values

Returns `TRUE` on success.

### Errors/Exceptions

Throws a HaruException on error.