Class DialBackground

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Cloneable, DialLayer, org.jfree.util.PublicCloneable

    public class DialBackground
    extends AbstractDialLayer
    implements DialLayer, java.lang.Cloneable, org.jfree.util.PublicCloneable, java.io.Serializable
    A regular dial layer that can be used to draw the background for a dial.
    Since:
    1.0.7
    See Also:
    Serialized Form
    • Constructor Detail

      • DialBackground

        public DialBackground()
        Creates a new instance of DialBackground. The default background paint is Color.white.
      • DialBackground

        public DialBackground​(java.awt.Paint paint)
        Creates a new instance of DialBackground. The
        Parameters:
        paint - the paint (null not permitted).
        Throws:
        java.lang.IllegalArgumentException - if paint is null.
    • Method Detail

      • getPaint

        public java.awt.Paint getPaint()
        Returns the paint used to fill the background.
        Returns:
        The paint (never null).
        See Also:
        setPaint(Paint)
      • setPaint

        public void setPaint​(java.awt.Paint paint)
        Sets the paint for the dial background and sends a DialLayerChangeEvent to all registered listeners.
        Parameters:
        paint - the paint (null not permitted).
        See Also:
        getPaint()
      • setGradientPaintTransformer

        public void setGradientPaintTransformer​(org.jfree.ui.GradientPaintTransformer t)
        Sets the transformer used to adjust the coordinates of any GradientPaint instance used for the background paint, and sends a DialLayerChangeEvent to all registered listeners.
        Parameters:
        t - the transformer (null not permitted).
        See Also:
        getGradientPaintTransformer()
      • draw

        public void draw​(java.awt.Graphics2D g2,
                         DialPlot plot,
                         java.awt.geom.Rectangle2D frame,
                         java.awt.geom.Rectangle2D view)
        Draws the background to the specified graphics device. If the dial frame specifies a window, the clipping region will already have been set to this window before this method is called.
        Specified by:
        draw in interface DialLayer
        Parameters:
        g2 - the graphics device (null not permitted).
        plot - the plot (ignored here).
        frame - the dial frame (ignored here).
        view - the view rectangle (null not permitted).
      • equals

        public boolean equals​(java.lang.Object obj)
        Tests this instance for equality with an arbitrary object.
        Overrides:
        equals in class AbstractDialLayer
        Parameters:
        obj - the object (null permitted).
        Returns:
        A boolean.
      • clone

        public java.lang.Object clone()
                               throws java.lang.CloneNotSupportedException
        Returns a clone of this instance.
        Specified by:
        clone in interface org.jfree.util.PublicCloneable
        Overrides:
        clone in class AbstractDialLayer
        Returns:
        The clone.
        Throws:
        java.lang.CloneNotSupportedException - if some attribute of this instance cannot be cloned.