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Java Source | 2002-09-06 | 4.5 KB | 133 lines |
- /*
- * Copyright (c) 2002 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * -Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * -Redistribution in binary form must reproduct the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
- * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
- * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT
- * BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
- * OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS
- * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
- * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
- * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
- * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN
- * IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed, licensed or intended for
- * use in the design, construction, operation or maintenance of any nuclear
- * facility.
- */
-
- /*
- * @(#)Tree.java 1.23 02/06/13
- */
-
- package java2d.demos.Fonts;
-
- import java.awt.*;
- import java.awt.font.FontRenderContext;
- import java.awt.font.TextLayout;
- import java.awt.geom.AffineTransform;
- import java2d.AnimatingSurface;
-
-
- /**
- * Transformation of characters.
- */
- public class Tree extends AnimatingSurface {
-
- private char theC = 'A';
- private Character theT = new Character(theC);
- private Character theR = new Character((char) ((int) theC + 1));
-
-
- public Tree() {
- setBackground(Color.white);
- }
-
-
- public void reset(int w, int h) { }
-
-
- public void step(int w, int h) {
- setSleepAmount(4000);
- theT = new Character(theC = ((char) ((int) theC + 1)));
- theR = new Character((char) ((int) theC + 1));
- if (theR.compareTo(new Character('z')) == 0) {
- theC = 'A';
- }
- }
-
-
- public void render(int w, int h, Graphics2D g2) {
- int mindim = Math.min(w, h);
- AffineTransform at = new AffineTransform();
- at.translate((w - mindim) / 2.0,
- (h - mindim) / 2.0);
- at.scale(mindim, mindim);
- at.translate(0.5, 0.5);
- at.scale(0.3, 0.3);
- at.translate(-(Twidth + Rwidth), FontHeight / 4.0);
- g2.transform(at);
- tree(g2, mindim * 0.3, 0);
-
- }
-
-
- static Font theFont = new Font("serif", Font.PLAIN, 1);
- static double Twidth = 0.6;
- static double Rwidth = 0.6;
- static double FontHeight = 0.75;
- static Color colors[] = {Color.blue,
- Color.red.darker(),
- Color.green.darker()};
-
-
- public void tree(Graphics2D g2d, double size, int phase) {
- g2d.setColor(colors[phase % 3]);
- new TextLayout(theT.toString(),theFont,g2d.getFontRenderContext()).draw(g2d, 0.0f, 0.0f);
- if (size > 10.0) {
- AffineTransform at = new AffineTransform();
- at.setToTranslation(Twidth, -0.1);
- at.scale(0.6, 0.6);
- g2d.transform(at);
- size *= 0.6;
- new TextLayout(theR.toString(),theFont, g2d.getFontRenderContext()).draw(g2d, 0.0f, 0.0f);
- at.setToTranslation(Rwidth+0.75, 0);
- g2d.transform(at);
- Graphics2D g2dt = (Graphics2D) g2d.create();
- at.setToRotation(-Math.PI / 2.0);
- g2dt.transform(at);
- tree(g2dt, size, phase + 1);
- g2dt.dispose();
- at.setToTranslation(.75, 0);
- at.rotate(-Math.PI / 2.0);
- at.scale(-1.0, 1.0);
- at.translate(-Twidth, 0);
- g2d.transform(at);
- tree(g2d, size, phase);
- }
- g2d.setTransform(new AffineTransform());
- }
-
-
- public static void main(String argv[]) {
- createDemoFrame(new Tree());
- }
- }
-