texture.java

功能强大的绘图演示程序

/*
 * @(#)Texture.java	1.32 04/07/26
 * 
 * Copyright (c) 2004 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:
 * 
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 * 
 * -Redistribution 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 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 MIDROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS 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 THIS SOFTWARE, 
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * You acknowledge that this software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

/*
 * @(#)Texture.java	1.32 04/07/26
 */

package java2d.demos.Paint;


import java.awt.*;
import java.awt.geom.Ellipse2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.font.TextLayout;
import java.awt.font.FontRenderContext;
import java2d.Surface;


/**
 * TexturePaint of gradient, buffered image and shapes.
 */
public class Texture extends Surface {

    private static TexturePaint bluedots, greendots, triangles;
    private static TexturePaint blacklines, gradient;
    static {
        BufferedImage bi = new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB);
        Graphics2D gi = bi.createGraphics();
        gi.setBackground(Color.white);
        gi.clearRect(0,0,10,10);
        GeneralPath p1 = new GeneralPath();
        p1.moveTo(0,0);
        p1.lineTo(5,10);
        p1.lineTo(10,0);
        p1.closePath();
        gi.setColor(Color.lightGray);
        gi.fill(p1);
        triangles = new TexturePaint(bi,new Rectangle(0,0,10,10));

        bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
        gi = bi.createGraphics();
        gi.setColor(Color.black);
        gi.fillRect(0,0,5,5);
        gi.setColor(Color.gray);
        gi.fillRect(1,1,4,4);
        blacklines = new TexturePaint(bi,new Rectangle(0,0,5,5));

        int w = 30; int h = 30;
        bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
        gi = bi.createGraphics();
        Color oc = Color.white; Color ic = Color.lightGray;
        gi.setPaint(new GradientPaint(0,0,oc,w*.35f,h*.35f,ic));
        gi.fillRect(0, 0, w/2, h/2);
        gi.setPaint(new GradientPaint(w,0,oc,w*.65f,h*.35f,ic));
        gi.fillRect(w/2, 0, w/2, h/2);
        gi.setPaint(new GradientPaint(0,h,oc,w*.35f,h*.65f,ic));
        gi.fillRect(0, h/2, w/2, h/2);
        gi.setPaint(new GradientPaint(w,h,oc,w*.65f,h*.65f,ic));
        gi.fillRect(w/2, h/2, w/2, h/2);
        gradient = new TexturePaint(bi,new Rectangle(0,0,w,h));

        bi = new BufferedImage(2,2,BufferedImage.TYPE_INT_RGB);
        bi.setRGB(0, 0, 0xffffffff); bi.setRGB(1, 0, 0xffffffff);
        bi.setRGB(0, 1, 0xffffffff); bi.setRGB(1, 1, 0xff0000ff);
        bluedots = new TexturePaint(bi,new Rectangle(0,0,2,2));

        bi = new BufferedImage(2,2,BufferedImage.TYPE_INT_RGB);
        bi.setRGB(0, 0, 0xffffffff); bi.setRGB(1, 0, 0xffffffff);
        bi.setRGB(0, 1, 0xffffffff); bi.setRGB(1, 1, 0xff00ff00);
        greendots = new TexturePaint(bi,new Rectangle(0,0,2,2));
    }


    public Texture() {
        setBackground(Color.white);
    }


    public void render(int w, int h, Graphics2D g2) {

        Rectangle r = new Rectangle(10,10,w-20,h/2-20);
        g2.setPaint(gradient);
        g2.fill(r);
        g2.setPaint(Color.green);
        g2.setStroke(new BasicStroke(20));
        g2.draw(r);
        g2.setPaint(blacklines);
        g2.setStroke(new BasicStroke(15));
        g2.draw(r);

        Font f = new Font("Times New Roman", Font.BOLD, w/5);
        TextLayout tl = new TextLayout("Texture", f, g2.getFontRenderContext());
        int sw = (int) tl.getBounds().getWidth();
        int sh = (int) tl.getBounds().getHeight();
        Shape sha = tl.getOutline(AffineTransform.getTranslateInstance(w/2-sw/2, h*.25+sh/2));
        g2.setColor(Color.black);
        g2.setStroke(new BasicStroke(3));
        g2.draw(sha);
        g2.setPaint(greendots);
        g2.fill(sha);

        r.setLocation(10,h/2+10);
        g2.setPaint(triangles);
        g2.fill(r);
        g2.setPaint(blacklines);
        g2.setStroke(new BasicStroke(20));
        g2.draw(r);
        g2.setPaint(Color.green);
        g2.setStroke(new BasicStroke(4));
        g2.draw(r);

        f = new Font("serif", Font.BOLD, w/4);
        tl = new TextLayout("Paint", f, g2.getFontRenderContext());
        sw = (int) tl.getBounds().getWidth();
        sh = (int) tl.getBounds().getHeight();
        sha = tl.getOutline(AffineTransform.getTranslateInstance(w/2-sw/2, h*.75+sh/2));
        g2.setColor(Color.black);
        g2.setStroke(new BasicStroke(5));
        g2.draw(sha);
        g2.setPaint(bluedots);
        g2.fill(sha);
    }


    public static void main(String s[]) {
        createDemoFrame(new Texture());
    }
}