Java examples for 2D Graphics:Shape
Draws a rectangle that appears lowered into the surface, given four colors that are used for drawing.
/* BasicGraphicsUtils.java Copyright (C) 2003 Free Software Foundation, Inc. This file is part of GNU Classpath.// w w w. java 2 s . c o m GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath 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 for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ //package com.java2s; import java.awt.Color; import java.awt.Graphics; public class Main { /** * Draws a rectangle that appears lowered into the surface, given * four colors that are used for drawing. * * <p><img src="doc-files/BasicGraphicsUtils-4.png" width="360" * height="200" alt="[An illustration that shows which pixels * get painted in what color]" /> * * <p><strong>Compatibility with the Sun reference * implementation:</strong> The Sun reference implementation seems * to ignore the <code>x</code> and <code>y</code> arguments, at * least in JDK 1.3.1 and 1.4.1_01. The method always draws the * rectangular area at location (0, 0). A bug report has been filed * with Sun; its “bug ID” is 4880003. The GNU Classpath * implementation behaves correctly, thus not replicating this bug. * * @param g the graphics into which the rectangle is drawn. * @param x the x coordinate of the rectangle. * @param y the y coordinate of the rectangle. * @param width the width of the rectangle in pixels. * @param height the height of the rectangle in pixels. * * @param shadow the color that will be used for painting * the inner side of the top and left edges. * * @param darkShadow the color that will be used for painting * the outer side of the top and left edges. * * @param highlight the color that will be used for painting * the inner side of the bottom and right edges. * * @param lightHighlight the color that will be used for painting * the outer side of the bottom and right edges. */ public static void drawLoweredBezel(Graphics g, int x, int y, int width, int height, Color shadow, Color darkShadow, Color highlight, Color lightHighlight) { /* Like drawEtchedRect, but swapping darkShadow and shadow. * * To understand this, it might be helpful to look at the image * "BasicGraphicsUtils-4.png" that is included with the JavaDoc, * and to compare it with "BasicGraphicsUtils-1.png" which shows * the pixels painted by drawEtchedRect. These image files are * located in the "doc-files" subdirectory. */ drawEtchedRect(g, x, y, width, height, darkShadow, shadow, highlight, lightHighlight); } /** * Draws a rectangle that appears etched into the surface, given * four colors that are used for drawing. * * <p><img src="doc-files/BasicGraphicsUtils-1.png" width="360" * height="200" alt="[An illustration that shows which pixels * get painted in what color]" /> * * @param g the graphics into which the rectangle is drawn. * @param x the x coordinate of the rectangle. * @param y the y coordinate of the rectangle. * @param width the width of the rectangle in pixels. * @param height the height of the rectangle in pixels. * * @param shadow the color that will be used for painting * the outer side of the top and left edges. * * @param darkShadow the color that will be used for painting * the inner side of the top and left edges. * * @param highlight the color that will be used for painting * the inner side of the bottom and right edges. * * @param lightHighlight the color that will be used for painting * the outer side of the bottom and right edges. * * @see #getEtchedInsets() * @see javax.swing.border.EtchedBorder */ public static void drawEtchedRect(Graphics g, int x, int y, int width, int height, Color shadow, Color darkShadow, Color highlight, Color lightHighlight) { Color oldColor; int x2, y2; oldColor = g.getColor(); x2 = x + width - 1; y2 = y + height - 1; try { /* To understand this code, it might be helpful to look at the * image "BasicGraphicsUtils-1.png" that is included with the * JavaDoc. The file is located in the "doc-files" subdirectory. * * (x2, y2) is the coordinate of the most right and bottom pixel * to be painted. */ g.setColor(shadow); g.drawLine(x, y, x2 - 1, y); // top, outer g.drawLine(x, y + 1, x, y2 - 1); // left, outer g.setColor(darkShadow); g.drawLine(x + 1, y + 1, x2 - 2, y + 1); // top, inner g.drawLine(x + 1, y + 2, x + 1, y2 - 2); // left, inner g.setColor(highlight); g.drawLine(x + 1, y2 - 1, x2 - 1, y2 - 1); // bottom, inner g.drawLine(x2 - 1, y + 1, x2 - 1, y2 - 2); // right, inner g.setColor(lightHighlight); g.drawLine(x, y2, x2, y2); // bottom, outer g.drawLine(x2, y, x2, y2 - 1); // right, outer } finally { g.setColor(oldColor); } } }