/*

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 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.

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 * are met:

 *

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 *     notice, this list of conditions and the following disclaimer.

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 *   - 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.

 *

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 *     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

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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());

    }

}