Module javafx.graphics
Package javafx.scene.effect

## Class Glow

- java.lang.Object
- - javafx.scene.effect.Effect
  - - javafx.scene.effect.Glow

-     public class Glow
      extends Effect

  A high-level effect that makes the input image appear to glow, based on a configurable threshold.

  Example:

       Image image = new Image("boat.jpg");
       ImageView imageView = new ImageView(image);
       imageView.setFitWidth(200);
       imageView.setPreserveRatio(true);

       imageView.setEffect(new Glow(0.8));

  The code above applied on this image:

  produces the following:

  Since:
    JavaFX 2.0

- - ### Property Summary

    Properties
    Type | Property | Description
    --- | --- | ---
    `ObjectProperty<Effect>` | `input` | The input for this `Effect`.
    `DoubleProperty` | `level` | The level value, which controls the intensity of the glow effect.

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `Glow()` | Creates a new instance of Glow with default parameters.
    `Glow​(double level)` | Creates a new instance of Glow with specified level.

  - ### Method Summary

    Modifier and Type | Method | Description
    --- | --- | ---
    `Effect` | `getInput()` | Gets the value of the property input.
    `double` | `getLevel()` | Gets the value of the property level.
    `ObjectProperty<Effect>` | `inputProperty()` | The input for this `Effect`.
    `DoubleProperty` | `levelProperty()` | The level value, which controls the intensity of the glow effect.
    `void` | `setInput​(Effect value)` | Sets the value of the property input.
    `void` | `setLevel​(double value)` | Sets the value of the property level.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Property Detail

    - #### input

          public final ObjectProperty<Effect> inputProperty

      The input for this `Effect`. If set to `null`, or left unspecified, a graphical image of the `Node` to which the `Effect` is attached will be used as the input.
      Default value:
        null
      See Also:
        `getInput()`, `setInput(Effect)`

    - #### level

          public final DoubleProperty levelProperty

      The level value, which controls the intensity of the glow effect.

                 Min: 0.0
                 Max: 1.0
             Default: 0.3
            Identity: 0.0

      Default value:
        0.3
      See Also:
        `getLevel()`, `setLevel(double)`

  - ### Constructor Detail

    - #### Glow

          public Glow()

      Creates a new instance of Glow with default parameters.

    - #### Glow

          public Glow​(double level)

      Creates a new instance of Glow with specified level.
      Parameters:
        `level` - the level value, which controls the intensity of the glow effect

  - ### Method Detail

    - #### setInput

          public final void setInput​(Effect value)

      Sets the value of the property input.
      Property description:
        The input for this `Effect`. If set to `null`, or left unspecified, a graphical image of the `Node` to which the `Effect` is attached will be used as the input.
      Default value:
        null

    - #### getInput

          public final Effect getInput()

      Gets the value of the property input.
      Property description:
        The input for this `Effect`. If set to `null`, or left unspecified, a graphical image of the `Node` to which the `Effect` is attached will be used as the input.
      Default value:
        null

    - #### inputProperty

          public final ObjectProperty<Effect> inputProperty()

      The input for this `Effect`. If set to `null`, or left unspecified, a graphical image of the `Node` to which the `Effect` is attached will be used as the input.
      Default value:
        null
      See Also:
        `getInput()`, `setInput(Effect)`

    - #### setLevel

          public final void setLevel​(double value)

      Sets the value of the property level.
      Property description:
        The level value, which controls the intensity of the glow effect.

                   Min: 0.0
                   Max: 1.0
               Default: 0.3
              Identity: 0.0

      Default value:
        0.3

    - #### getLevel

          public final double getLevel()

      Gets the value of the property level.
      Property description:
        The level value, which controls the intensity of the glow effect.

                   Min: 0.0
                   Max: 1.0
               Default: 0.3
              Identity: 0.0

      Default value:
        0.3

    - #### levelProperty

          public final DoubleProperty levelProperty()

      The level value, which controls the intensity of the glow effect.

                 Min: 0.0
                 Max: 1.0
             Default: 0.3
            Identity: 0.0

      Default value:
        0.3
      See Also:
        `getLevel()`, `setLevel(double)`