Sets the image chromaticity blue primary point

# Gmagick::setimageblueprimary

(PECL gmagick >= Unknown)

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

### 说明

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

Sets the image chromaticity blue primary point.

### 参数

`x`
  The blue primary x-point.
`y`
  The blue primary y-point.

### 返回值

The Gmagick object.

### 错误／异常

错误时抛出 GmagickException。

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