Clutter.BrightnessContrastEffect.get_contrast

### Method

# Clutter BrightnessContrastEffectget_contrast

#### Declaration [src]

    void
    clutter_brightness_contrast_effect_get_contrast (
      ClutterBrightnessContrastEffect* effect,
      float* red,
      float* green,
      float* blue
    )

#### Description [src]

Retrieves the contrast value used by `effect`.

Gets property | `Clutter.BrightnessContrastEffect:contrast`

#### Parameters

`red` | `float*`
| Return location for red component of the change in contrast.
| The argument will be set by the function.
| The argument can be `NULL`.
`green` | `float*`
| Return location for green component of the change in contrast.
| The argument will be set by the function.
| The argument can be `NULL`.
`blue` | `float*`
| Return location for blue component of the change in contrast.
| The argument will be set by the function.
| The argument can be `NULL`.