Module java.desktop

Class EmptyBorder

  • All Implemented Interfaces:
    Serializable, Border
    Direct Known Subclasses:
    BorderUIResource.EmptyBorderUIResource, MatteBorder

    public class EmptyBorder
    extends AbstractBorder
    implements Serializable
    A class which provides an empty, transparent border which takes up space but does no drawing.

    Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see XMLEncoder.

    See Also:
    Serialized Form
    • Field Detail

      • left

        protected int left
        The left inset of the border.
      • right

        protected int right
        The right inset of the border.
      • top

        protected int top
        The top inset of the border.
      • bottom

        protected int bottom
        The bottom inset of the border.
    • Constructor Detail

      • EmptyBorder

        public EmptyBorder​(int top,
                           int left,
                           int bottom,
                           int right)
        Creates an empty border with the specified insets.
        top - the top inset of the border
        left - the left inset of the border
        bottom - the bottom inset of the border
        right - the right inset of the border
      • EmptyBorder

        public EmptyBorder​(Insets borderInsets)
        Creates an empty border with the specified insets.
        borderInsets - the insets of the border
    • Method Detail

      • paintBorder

        public void paintBorder​(Component c,
                                Graphics g,
                                int x,
                                int y,
                                int width,
                                int height)
        Does no drawing by default.
        Specified by:
        paintBorder in interface Border
        paintBorder in class AbstractBorder
        c - the component for which this border is being painted
        g - the paint graphics
        x - the x position of the painted border
        y - the y position of the painted border
        width - the width of the painted border
        height - the height of the painted border
      • getBorderInsets

        public Insets getBorderInsets​(Component c,
                                      Insets insets)
        Reinitialize the insets parameter with this Border's current Insets.
        getBorderInsets in class AbstractBorder
        c - the component for which this border insets value applies
        insets - the object to be reinitialized
        the insets object
      • getBorderInsets

        public Insets getBorderInsets​()
        Returns the insets of the border.
        an Insets object containing the insets from top, left, bottom and right
      • isBorderOpaque

        public boolean isBorderOpaque​()
        Returns whether or not the border is opaque. Returns false by default.
        Specified by:
        isBorderOpaque in interface Border
        isBorderOpaque in class AbstractBorder