1 /*
   2  * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @key headful
  27  * @bug 6684056
  28  * @summary Super-scripted text needs to be positioned the same with
  29  *          drawString and TextLayout.
  30  */
  31 import java.awt.*;
  32 import java.awt.event.*;
  33 import java.awt.font.*;
  34 import static java.awt.font.TextAttribute.*;
  35 import java.awt.geom.AffineTransform;
  36 import java.awt.image.BufferedImage;
  37 import java.util.HashMap;
  38 
  39 
  40 public class DrawStrSuper extends Component {
  41 
  42     int angle = 0;
  43     static boolean interactive = false;
  44 
  45     int wid=400, hgt=400;
  46     BufferedImage bi = null;
  47 
  48     void paintImage() {
  49 
  50         if (bi == null) {
  51              bi = new BufferedImage(wid, hgt, BufferedImage.TYPE_INT_RGB);
  52         }
  53         Graphics2D g2d = bi.createGraphics();
  54         g2d.setColor(Color.white);
  55         g2d.fillRect(0, 0, wid, hgt);
  56         g2d.translate(200, 200);
  57 
  58         Font fnt = new Font("Arial", Font.PLAIN, 20);
  59         fnt = fnt.deriveFont(60.0f);
  60         HashMap attrMap = new HashMap();
  61         AffineTransform aff =
  62             AffineTransform.getRotateInstance(angle * Math.PI/180.0);
  63         attrMap.put(SUPERSCRIPT, SUPERSCRIPT_SUPER);
  64         attrMap.put(TRANSFORM, aff);
  65         fnt = fnt.deriveFont(attrMap);
  66 
  67         g2d.setFont(fnt);
  68         g2d.setColor(Color.yellow);
  69         TextLayout tl = new TextLayout("Text", fnt,g2d.getFontRenderContext());
  70         g2d.fill(tl.getBounds());
  71 
  72         g2d.setColor(Color.black);
  73         g2d.drawLine(-3, 0, 3, 0);
  74         g2d.drawLine(0, -3, 0, 3);
  75 
  76         g2d.setColor(Color.blue);
  77         g2d.drawString("Text", 0, 0);
  78 
  79         g2d.setColor(Color.red);
  80         tl.draw(g2d,0f,0f);
  81 
  82         // Test BI: should be no blue
  83         int blue = Color.blue.getRGB();
  84         for (int px=0;px<wid;px++) {
  85             for (int py=0;py<hgt;py++) {
  86                 int rgb = bi.getRGB(px, py);
  87                 if (rgb == blue) {
  88                     throw new RuntimeException
  89                         ("Unexpected color : " + Integer.toHexString(rgb) +
  90                          " at x=" + px + " y="+ py);
  91                 }
  92             }
  93         }
  94     }
  95 
  96     @Override
  97     public void paint(Graphics g) {
  98         paintImage();
  99         g.drawImage(bi, 0,0, null);
 100     }
 101 
 102 
 103     static class Runner extends Thread {
 104 
 105         DrawStrSuper dss;
 106 
 107         Runner(DrawStrSuper dss) {
 108             this.dss = dss;
 109         }
 110 
 111         public void run() {
 112             while (true) {
 113                 if (!interactive && dss.angle > 360) {
 114                     return;
 115                 }
 116                 try {
 117                     Thread.sleep(100);
 118                 } catch (InterruptedException e) {
 119                     return;
 120                 }
 121 
 122                 dss.angle += 10;
 123                 dss.repaint();
 124             }
 125         }
 126     }
 127 
 128     @Override
 129     public Dimension getPreferredSize() {
 130         return new Dimension(400, 400);
 131     }
 132 
 133     public static void main(String argv[]) throws InterruptedException {
 134         if (argv.length > 0) interactive = true;
 135 
 136         Frame f = new Frame("Text bounds test");
 137         f.addWindowListener(new WindowAdapter() {
 138             @Override
 139             public void windowClosing(WindowEvent e) {
 140                 System.exit(0);
 141             }
 142         });
 143         DrawStrSuper dss = new DrawStrSuper();
 144         f.add(dss, BorderLayout.CENTER);
 145         f.pack();
 146         f.setLocationRelativeTo(null);
 147         f.setVisible(true);
 148         Runner runner = new Runner(dss);
 149         runner.start();
 150         runner.join();
 151     }
 152 }