# Gmagick::setimageblueprimary

(PECL gmagick >= Unknown)

Gmagick::setimageblueprimary — Sets the image chromaticity blue primary point

### Description

public Gmagick::setimageblueprimary ( float `$x` , float `$y` ) : Gmagick

Sets the image chromaticity blue primary point.

### Parameters

`x`

  The blue primary x-point.

`y`

  The blue primary y-point.

### Return Values

The Gmagick object on success

### Errors/Exceptions

Throws an GmagickException on error.