/* * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package javax.swing.border; import java.awt.Graphics;import java.awt.Insets;import java.awt.Color;import java.awt.Component;import java.beans.ConstructorProperties; /** * A class which implements a simple two-line bevel border. * <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}. * * @author David Kloba */public class BevelBorder extends AbstractBorder{    /** Raised bevel type. */    public static final int RAISED  = 0;    /** Lowered bevel type. */    public static final int LOWERED = 1;     protected int bevelType;    protected Color highlightOuter;    protected Color highlightInner;    protected Color shadowInner;    protected Color shadowOuter;     /**     * Creates a bevel border with the specified type and whose     * colors will be derived from the background color of the     * component passed into the paintBorder method.     * @param bevelType the type of bevel for the border     */    public BevelBorder(int bevelType) {        this.bevelType = bevelType;    }     /**     * Creates a bevel border with the specified type, highlight and     * shadow colors.     * @param bevelType the type of bevel for the border     * @param highlight the color to use for the bevel highlight     * @param shadow the color to use for the bevel shadow     */    public BevelBorder(int bevelType, Color highlight, Color shadow) {        this(bevelType, highlight.brighter(), highlight, shadow, shadow.brighter());    }     /**     * Creates a bevel border with the specified type, highlight and     * shadow colors.     *     * @param bevelType the type of bevel for the border     * @param highlightOuterColor the color to use for the bevel outer highlight     * @param highlightInnerColor the color to use for the bevel inner highlight     * @param shadowOuterColor the color to use for the bevel outer shadow     * @param shadowInnerColor the color to use for the bevel inner shadow     */    @ConstructorProperties({"bevelType", "highlightOuterColor", "highlightInnerColor", "shadowOuterColor", "shadowInnerColor"})    public BevelBorder(int bevelType, Color highlightOuterColor,                       Color highlightInnerColor, Color shadowOuterColor,                       Color shadowInnerColor) {        this(bevelType);        this.highlightOuter = highlightOuterColor;        this.highlightInner = highlightInnerColor;        this.shadowOuter = shadowOuterColor;        this.shadowInner = shadowInnerColor;    }     /**     * 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) {        if (bevelType == RAISED) {             paintRaisedBevel(c, g, x, y, width, height);         } else if (bevelType == LOWERED) {             paintLoweredBevel(c, g, x, y, width, height);        }    }     /**     * 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.set(2, 2, 2, 2);        return insets;    }     /**     * Returns the outer highlight color of the bevel border     * when rendered on the specified component.  If no highlight     * color was specified at instantiation, the highlight color     * is derived from the specified component's background color.     * @param c the component for which the highlight may be derived     * @since 1.3     */    public Color getHighlightOuterColor(Component c)   {        Color highlight = getHighlightOuterColor();        return highlight != null? highlight :                                       c.getBackground().brighter().brighter();    }     /**     * Returns the inner highlight color of the bevel border     * when rendered on the specified component.  If no highlight     * color was specified at instantiation, the highlight color     * is derived from the specified component's background color.     * @param c the component for which the highlight may be derived     * @since 1.3     */    public Color getHighlightInnerColor(Component c)   {        Color highlight = getHighlightInnerColor();        return highlight != null? highlight :                                       c.getBackground().brighter();    }     /**     * Returns the inner shadow color of the bevel border     * when rendered on the specified component.  If no shadow     * color was specified at instantiation, the shadow color     * is derived from the specified component's background color.     * @param c the component for which the shadow may be derived     * @since 1.3     */    public Color getShadowInnerColor(Component c)      {        Color shadow = getShadowInnerColor();        return shadow != null? shadow :                                    c.getBackground().darker();    }     /**     * Returns the outer shadow color of the bevel border     * when rendered on the specified component.  If no shadow     * color was specified at instantiation, the shadow color     * is derived from the specified component's background color.     * @param c the component for which the shadow may be derived     * @since 1.3     */    public Color getShadowOuterColor(Component c)      {        Color shadow = getShadowOuterColor();        return shadow != null? shadow :                                    c.getBackground().darker().darker();    }     /**     * Returns the outer highlight color of the bevel border.     * Will return null if no highlight color was specified     * at instantiation.     * @since 1.3     */    public Color getHighlightOuterColor()   {        return highlightOuter;    }     /**     * Returns the inner highlight color of the bevel border.     * Will return null if no highlight color was specified     * at instantiation.     * @since 1.3     */    public Color getHighlightInnerColor()   {        return highlightInner;    }     /**     * Returns the inner shadow color of the bevel border.     * Will return null if no shadow color was specified     * at instantiation.     * @since 1.3     */    public Color getShadowInnerColor()      {        return shadowInner;    }     /**     * Returns the outer shadow color of the bevel border.     * Will return null if no shadow color was specified     * at instantiation.     * @since 1.3     */    public Color getShadowOuterColor()      {        return shadowOuter;    }     /**     * Returns the type of the bevel border.     */    public int getBevelType()       {        return bevelType;    }     /**     * Returns whether or not the border is opaque.     */    public boolean isBorderOpaque() { return true; }     protected void paintRaisedBevel(Component c, Graphics g, int x, int y,                                    int width, int height)  {        Color oldColor = g.getColor();        int h = height;        int w = width;         g.translate(x, y);         g.setColor(getHighlightOuterColor(c));        g.drawLine(0, 0, 0, h-2);        g.drawLine(1, 0, w-2, 0);         g.setColor(getHighlightInnerColor(c));        g.drawLine(1, 1, 1, h-3);        g.drawLine(2, 1, w-3, 1);         g.setColor(getShadowOuterColor(c));        g.drawLine(0, h-1, w-1, h-1);        g.drawLine(w-1, 0, w-1, h-2);         g.setColor(getShadowInnerColor(c));        g.drawLine(1, h-2, w-2, h-2);        g.drawLine(w-2, 1, w-2, h-3);         g.translate(-x, -y);        g.setColor(oldColor);     }     protected void paintLoweredBevel(Component c, Graphics g, int x, int y,                                        int width, int height)  {        Color oldColor = g.getColor();        int h = height;        int w = width;         g.translate(x, y);         g.setColor(getShadowInnerColor(c));        g.drawLine(0, 0, 0, h-1);        g.drawLine(1, 0, w-1, 0);         g.setColor(getShadowOuterColor(c));        g.drawLine(1, 1, 1, h-2);        g.drawLine(2, 1, w-2, 1);         g.setColor(getHighlightOuterColor(c));        g.drawLine(1, h-1, w-1, h-1);        g.drawLine(w-1, 1, w-1, h-2);         g.setColor(getHighlightInnerColor(c));        g.drawLine(2, h-2, w-2, h-2);        g.drawLine(w-2, 2, w-2, h-3);         g.translate(-x, -y);        g.setColor(oldColor);     } }