Class BackgroundImage

java.lang.Object
javafx.scene.layout.BackgroundImage
All Implemented Interfaces:
Interpolatable<BackgroundImage>
public final class BackgroundImage extends Object implements Interpolatable<BackgroundImage>
Defines properties describing how to render an image as the background to some Region. A BackgroundImage must have an Image specified (it cannot be null). The repeatX and repeatY properties define how the image is to be repeated in each direction. The position property defines how to position the image on the Region while the size property defines the size of the image on the Region. For example, the size might be defined with cover = true, meaning the image should be stretched to cover the entire rendering surface of the Region.

Because the BackgroundImage is immutable, it can safely be used in any cache, and can safely be reused among multiple Regions.

Since:
JavaFX 8.0

  • Constructor Details

    • BackgroundImage

      public BackgroundImage(Image image, BackgroundRepeat repeatX, BackgroundRepeat repeatY, BackgroundPosition position, BackgroundSize size)
      Creates a new BackgroundImage. The image must be specified.
      Parameters:
      image - The image to use. This cannot be null.
      repeatX - The BackgroundRepeat for the x axis. If null, this value defaults to REPEAT.
      repeatY - The BackgroundRepeat for the y axis. If null, this value defaults to REPEAT.
      position - The BackgroundPosition to use. If null, defaults to BackgroundPosition.DEFAULT.
      size - The BackgroundSize. If null, defaults to BackgroundSize.DEFAULT.

  • Method Details

    • getImage

      public final Image getImage()
      The image to be used. This will never be null. If this image fails to load, then the entire BackgroundImage will be skipped at rendering time.
      Interpolation Type:
      discrete
      Returns:
      the image to be used

    • getRepeatX

      public final BackgroundRepeat getRepeatX()
      Indicates in what manner (if at all) the background image is to be repeated along the x-axis of the region. This will never be null.
      Interpolation Type:
      discrete
      Returns:
      the BackgroundRepeat that indicates if the background image is to be repeated along the x-axis of the region

    • getRepeatY

      public final BackgroundRepeat getRepeatY()
      Indicates in what manner (if at all) the background image is to be repeated along the y-axis of the region. This will never be null.
      Interpolation Type:
      discrete
      Returns:
      the BackgroundRepeat that indicates if the background image is to be repeated along the y-axis of the region

    • getPosition

      public final BackgroundPosition getPosition()
      The position of this BackgroundImage relative to the Region. Note that any position outside the background area of the region will be clipped.
      Interpolation Type:
      default
      Returns:
      the position of this BackgroundImage relative to the Region

    • getSize

      public final BackgroundSize getSize()
      The size of this image relative to the Region.
      Interpolation Type:
      default
      Returns:
      the size of this image relative to the Region

    • interpolate

      public BackgroundImage interpolate(BackgroundImage endValue, double t)
      Returns an intermediate value between the value of this Interpolatable and the specified endValue using the linear interpolation factor t, ranging from 0 (inclusive) to 1 (inclusive).

      The returned value might not be a new instance; the implementation might also return one of the two existing instances if the intermediate value would be equal to one of the existing values. However, this is an optimization and applications should not assume any particular identity of the returned value.

      Specified by:
      interpolate in interface Interpolatable<BackgroundImage>
      Parameters:
      endValue - the target value
      t - the interpolation factor
      Returns:
      the intermediate value
      Throws:
      NullPointerException - if endValue is null
      Since:
      24