--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/demo/share/jfc/J2Ddemo/java2d/demos/Fonts/Tree.java Mon May 14 08:58:32 2018 -0700
@@ -0,0 +1,129 @@
+/*
+ *
+ * Copyright (c) 2007, 2011, Oracle and/or its affiliates. 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.
+ *
+ * - Redistributions in binary form must reproduce 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 Oracle nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package java2d.demos.Fonts;
+
+
+import static java.awt.Color.BLUE;
+import static java.awt.Color.GREEN;
+import static java.awt.Color.RED;
+import static java.awt.Color.WHITE;
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics2D;
+import java.awt.font.TextLayout;
+import java.awt.geom.AffineTransform;
+import java2d.AnimatingSurface;
+
+
+/**
+ * Transformation of characters.
+ */
+@SuppressWarnings("serial")
+public class Tree extends AnimatingSurface {
+
+ private char theC = 'A';
+ private Character theT = new Character(theC);
+ private Character theR = new Character((char) (theC + 1));
+
+ public Tree() {
+ setBackground(WHITE);
+ }
+
+ @Override
+ public void reset(int w, int h) {
+ }
+
+ @Override
+ public void step(int w, int h) {
+ setSleepAmount(4000);
+ theT = new Character(theC = ((char) (theC + 1)));
+ theR = new Character((char) (theC + 1));
+ if (theR.compareTo(new Character('z')) == 0) {
+ theC = 'A';
+ }
+ }
+
+ @Override
+ 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(Font.SERIF, Font.PLAIN, 1);
+ static double Twidth = 0.6;
+ static double Rwidth = 0.6;
+ static double FontHeight = 0.75;
+ static Color colors[] = { BLUE,
+ RED.darker(),
+ 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());
+ }
+}