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/* * @(#)LineBorder.java 1.25 06/04/07 * * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package javax.swing.border; import java.awt.Graphics; import java.awt.Insets; import java.awt.Rectangle; import java.awt.Color; import java.awt.Component; /** * A class which implements a line border of arbitrary thickness * and of a single color. * <p> * <strong>Warning:</strong> * 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<sup><font size="-2">TM</font></sup> * has been added to the <code>java.beans</code> package. * Please see {@link java.beans.XMLEncoder}. * * @version 1.25 04/07/06 * @author David Kloba */ public class LineBorder extends AbstractBorder { private static Border blackLine; private static Border grayLine; protected int thickness; protected Color lineColor; protected boolean roundedCorners; /** Convenience method for getting the Color.black LineBorder of thickness 1. */ public static Border createBlackLineBorder() { if (blackLine == null) { blackLine = new LineBorder(Color.black, 1); } return blackLine; } /** Convenience method for getting the Color.gray LineBorder of thickness 1. */ public static Border createGrayLineBorder() { if (grayLine == null) { grayLine = new LineBorder(Color.gray, 1); } return grayLine; } /** * Creates a line border with the specified color and a * thickness = 1. * @param color the color for the border */ public LineBorder(Color color) { this(color, 1, false); } /** * Creates a line border with the specified color and thickness. * @param color the color of the border * @param thickness the thickness of the border */ public LineBorder(Color color, int thickness) { this(color, thickness, false); } /** * Creates a line border with the specified color, thickness, * and corner shape. * @param color the color of the border * @param thickness the thickness of the border * @param roundedCorners whether or not border corners should be round * @since 1.3 */ public LineBorder(Color color, int thickness, boolean roundedCorners) { lineColor = color; this.thickness = thickness; this.roundedCorners = roundedCorners; } /** * Paints the border for the specified component with the * specified position and size. * @param c the component for which this border is being painted * @param g the paint graphics * @param x the x position of the painted border * @param y the y position of the painted border * @param width the width of the painted border * @param height the height of the painted border */ public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) { Color oldColor = g.getColor(); int i; /// PENDING(klobad) How/should do we support Roundtangles? g.setColor(lineColor); for(i = 0; i < thickness; i++) { if(!roundedCorners) g.drawRect(x+i, y+i, width-i-i-1, height-i-i-1); else g.drawRoundRect(x+i, y+i, width-i-i-1, height-i-i-1, thickness, thickness); } g.setColor(oldColor); } /** * Returns the insets of the border. * @param c the component for which this border insets value applies */ public Insets getBorderInsets(Component c) { return new Insets(thickness, thickness, thickness, thickness); } /** * Reinitialize the insets parameter with this Border's current Insets. * @param c the component for which this border insets value applies * @param insets the object to be reinitialized */ public Insets getBorderInsets(Component c, Insets insets) { insets.left = insets.top = insets.right = insets.bottom = thickness; return insets; } /** * Returns the color of the border. */ public Color getLineColor() { return lineColor; } /** * Returns the thickness of the border. */ public int getThickness() { return thickness; } /** * Returns whether this border will be drawn with rounded corners. * @since 1.3 */ public boolean getRoundedCorners() { return roundedCorners; } /** * Returns whether or not the border is opaque. */ public boolean isBorderOpaque() { return !roundedCorners; } }