Java tutorial
/* * Copyright (c) 1997, 2014, 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.Rectangle; import java.awt.Color; import java.awt.Component; import java.beans.ConstructorProperties; /** * A class which implements a raised or lowered bevel with * softened corners. * <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™ * has been added to the <code>java.beans</code> package. * Please see {@link java.beans.XMLEncoder}. * * @author Amy Fowler * @author Chester Rose */ @SuppressWarnings("serial") // Same-version serialization only public class SoftBevelBorder extends BevelBorder { /** * 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 SoftBevelBorder(int bevelType) { super(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 SoftBevelBorder(int bevelType, Color highlight, Color shadow) { super(bevelType, highlight, shadow); } /** * Creates a bevel border with the specified type, highlight * 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 SoftBevelBorder(int bevelType, Color highlightOuterColor, Color highlightInnerColor, Color shadowOuterColor, Color shadowInnerColor) { super(bevelType, highlightOuterColor, highlightInnerColor, shadowOuterColor, 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) { Color oldColor = g.getColor(); g.translate(x, y); if (bevelType == RAISED) { g.setColor(getHighlightOuterColor(c)); g.drawLine(0, 0, width - 2, 0); g.drawLine(0, 0, 0, height - 2); g.drawLine(1, 1, 1, 1); g.setColor(getHighlightInnerColor(c)); g.drawLine(2, 1, width - 2, 1); g.drawLine(1, 2, 1, height - 2); g.drawLine(2, 2, 2, 2); g.drawLine(0, height - 1, 0, height - 2); g.drawLine(width - 1, 0, width - 1, 0); g.setColor(getShadowOuterColor(c)); g.drawLine(2, height - 1, width - 1, height - 1); g.drawLine(width - 1, 2, width - 1, height - 1); g.setColor(getShadowInnerColor(c)); g.drawLine(width - 2, height - 2, width - 2, height - 2); } else if (bevelType == LOWERED) { g.setColor(getShadowOuterColor(c)); g.drawLine(0, 0, width - 2, 0); g.drawLine(0, 0, 0, height - 2); g.drawLine(1, 1, 1, 1); g.setColor(getShadowInnerColor(c)); g.drawLine(2, 1, width - 2, 1); g.drawLine(1, 2, 1, height - 2); g.drawLine(2, 2, 2, 2); g.drawLine(0, height - 1, 0, height - 2); g.drawLine(width - 1, 0, width - 1, 0); g.setColor(getHighlightOuterColor(c)); g.drawLine(2, height - 1, width - 1, height - 1); g.drawLine(width - 1, 2, width - 1, height - 1); g.setColor(getHighlightInnerColor(c)); g.drawLine(width - 2, height - 2, width - 2, height - 2); } g.translate(-x, -y); g.setColor(oldColor); } /** * 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(3, 3, 3, 3); return insets; } /** * Returns whether or not the border is opaque. */ public boolean isBorderOpaque() { return false; } }