1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194
/* * @(#)EtchedBorder.java 1.20 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 simple etched border which can * either be etched-in or etched-out. If no highlight/shadow * colors are initialized when the border is created, then * these colors will be dynamically derived from the background * color of the component argument passed into the paintBorder() * method. * <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 1.20 04/07/06 * @author David Kloba * @author Amy Fowler */ public class EtchedBorder extends AbstractBorder { /** Raised etched type. */ public static final int RAISED = 0; /** Lowered etched type. */ public static final int LOWERED = 1; protected int etchType; protected Color highlight; protected Color shadow; /** * Creates a lowered etched border whose colors will be derived * from the background color of the component passed into * the paintBorder method. */ public EtchedBorder() { this(LOWERED); } /** * Creates an etched border with the specified etch-type * whose colors will be derived * from the background color of the component passed into * the paintBorder method. * @param etchType the type of etch to be drawn by the border */ public EtchedBorder(int etchType) { this(etchType, null, null); } /** * Creates a lowered etched border with the specified highlight and * shadow colors. * @param highlight the color to use for the etched highlight * @param shadow the color to use for the etched shadow */ public EtchedBorder(Color highlight, Color shadow) { this(LOWERED, highlight, shadow); } /** * Creates an etched border with the specified etch-type, * highlight and shadow colors. * @param etchType the type of etch to be drawn by the border * @param highlight the color to use for the etched highlight * @param shadow the color to use for the etched shadow */ public EtchedBorder(int etchType, Color highlight, Color shadow) { this.etchType = etchType; this.highlight = highlight; this.shadow = shadow; } /** * 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) { int w = width; int h = height; g.translate(x, y); g.setColor(etchType == LOWERED? getShadowColor(c) : getHighlightColor(c)); g.drawRect(0, 0, w-2, h-2); g.setColor(etchType == LOWERED? getHighlightColor(c) : getShadowColor(c)); g.drawLine(1, h-3, 1, 1); g.drawLine(1, 1, w-3, 1); g.drawLine(0, h-1, w-1, h-1); g.drawLine(w-1, h-1, w-1, 0); g.translate(-x, -y); } /** * 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(2, 2, 2, 2); } /** * 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 = 2; return insets; } /** * Returns whether or not the border is opaque. */ public boolean isBorderOpaque() { return true; } /** * Returns which etch-type is set on the etched border. */ public int getEtchType() { return etchType; } /** * Returns the highlight color of the etched 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 getHighlightColor(Component c) { return highlight != null? highlight : c.getBackground().brighter(); } /** * Returns the highlight color of the etched border. * Will return null if no highlight color was specified * at instantiation. * @since 1.3 */ public Color getHighlightColor() { return highlight; } /** * Returns the shadow color of the etched 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 getShadowColor(Component c) { return shadow != null? shadow : c.getBackground().darker(); } /** * Returns the shadow color of the etched border. * Will return null if no shadow color was specified * at instantiation. * @since 1.3 */ public Color getShadowColor() { return shadow; } }