Class DialBackground

    • Constructor Detail

      • DialBackground

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

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

      • getPaint

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

        public void setPaint​(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()
      • getGradientPaintTransformer

        public org.jfree.ui.GradientPaintTransformer getGradientPaintTransformer()
        Returns the transformer used to adjust the coordinates of any GradientPaint instance used for the background paint.
        Returns:
        The transformer (never null).
        See Also:
        setGradientPaintTransformer(GradientPaintTransformer)
      • 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()
      • isClippedToWindow

        public boolean isClippedToWindow()
        Returns true to indicate that this layer should be clipped within the dial window.
        Specified by:
        isClippedToWindow in interface DialLayer
        Returns:
        true.
      • draw

        public void draw​(Graphics2D g2,
                         DialPlot plot,
                         Rectangle2D frame,
                         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​(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.
      • hashCode

        public int hashCode()
        Returns a hash code for this instance.
        Overrides:
        hashCode in class AbstractDialLayer
        Returns:
        The hash code.