HaruImage::setColorMask

Set the color mask of the image

&reftitle.description; `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.

&reftitle.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.

&reftitle.returnvalues;

Returns &true; on success.

&reftitle.errors; &haru.error;