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.

  • Field Details

    • left

      protected int left
      The left 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 Details

    • 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

      @ConstructorProperties("borderInsets") public EmptyBorder(Insets borderInsets)
      Creates an empty border with the specified insets.
      borderInsets - the insets of the border
  • Method Details

    • 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