Module java.desktop
Package javax.swing.border

Class LineBorder

java.lang.Object
javax.swing.border.AbstractBorder
javax.swing.border.LineBorder
All Implemented Interfaces:
Serializable, Border
Direct Known Subclasses:
BorderUIResource.LineBorderUIResource
public class LineBorder extends AbstractBorder
A class which implements a line border of arbitrary thickness and of a single color.

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

    • thickness

      protected int thickness
      Thickness of the border.

    • lineColor

      protected Color lineColor
      Color of the border.

    • roundedCorners

      protected boolean roundedCorners
      Whether or not the border has rounded corners.

  • Constructor Details

    • LineBorder

      public LineBorder(Color color)
      Creates a line border with the specified color and a thickness = 1.
      Parameters:
      color - the color for the border

    • LineBorder

      public LineBorder(Color color, int thickness)
      Creates a line border with the specified color and thickness.
      Parameters:
      color - the color of the border
      thickness - the thickness of the border

    • LineBorder

      @ConstructorProperties({"lineColor","thickness","roundedCorners"}) public LineBorder(Color color, int thickness, boolean roundedCorners)
      Creates a line border with the specified color, thickness, and corner shape.
      Parameters:
      color - the color of the border
      thickness - the thickness of the border
      roundedCorners - whether or not border corners should be round
      Since:
      1.3

  • Method Details

    • createBlackLineBorder

      public static Border createBlackLineBorder()
      Convenience method for getting the Color.black LineBorder of thickness 1.
      Returns:
      a LineBorder with Color.black and thickness of 1

    • createGrayLineBorder

      public static Border createGrayLineBorder()
      Convenience method for getting the Color.gray LineBorder of thickness 1.
      Returns:
      a LineBorder with Color.gray and thickness of 1

    • paintBorder

      public void paintBorder(Component c, Graphics g, int x, int y, int width, int height)
      Paints the border for the specified component with the specified position and size.
      Specified by:
      paintBorder in interface Border
      Overrides:
      paintBorder in class AbstractBorder
      Parameters:
      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.
      Overrides:
      getBorderInsets in class AbstractBorder
      Parameters:
      c - the component for which this border insets value applies
      insets - the object to be reinitialized
      Returns:
      the insets object
      Throws:
      NullPointerException - if the specified insets is null

    • getLineColor

      public Color getLineColor()
      Returns the color of the border.
      Returns:
      a Color object representing the color of this object

    • getThickness

      public int getThickness()
      Returns the thickness of the border.
      Returns:
      the thickness of this border

    • getRoundedCorners

      public boolean getRoundedCorners()
      Returns whether this border will be drawn with rounded corners.
      Returns:
      true if this border should have rounded corners
      Since:
      1.3

    • isBorderOpaque

      public boolean isBorderOpaque()
      Returns whether or not the border is opaque.
      Specified by:
      isBorderOpaque in interface Border
      Overrides:
      isBorderOpaque in class AbstractBorder
      Returns:
      true if the border is opaque, false otherwise