1 /*
   2  * Copyright (c) 2007, 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  * @bug 6576507
  27  * @summary Both lines of text should be readable
  28  * @run main/manual=yesno LCDTextAndGraphicsState
  29  */
  30 import java.awt.*;
  31 import java.awt.geom.*;
  32 
  33 public class LCDTextAndGraphicsState extends Component {
  34 
  35     String text = "This test passes only if this text appears SIX TIMES";
  36 
  37     public void paint(Graphics g) {
  38 
  39         Graphics2D g2d = (Graphics2D)g.create();
  40         g2d.setColor(Color.white);
  41         g2d.fillRect(0,0,getSize().width, getSize().height);
  42 
  43         test1(g.create(0,   0, 500, 200));
  44         test2(g.create(0, 200, 500, 200));
  45         test3(g.create(0, 400, 500, 200));
  46     }
  47 
  48     public void test1(Graphics g) {
  49         Graphics2D g2d = (Graphics2D)g;
  50         g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
  51                              RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
  52         g2d.setColor(Color.black);
  53         g2d.drawString(text, 10, 50);
  54         g2d.setComposite(AlphaComposite.getInstance(
  55                          AlphaComposite.SRC_OVER, 0.9f));
  56         g2d.drawString(text, 10, 80);
  57     }
  58 
  59     public void test2(Graphics g) {
  60         Graphics2D g2d = (Graphics2D)g;
  61         g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
  62                              RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
  63         g2d.setColor(Color.black);
  64         g2d.drawString(text, 10, 50);
  65         g2d.setPaint(new GradientPaint(
  66                      0f, 0f, Color.BLACK, 100f, 100f, Color.GRAY));
  67         g2d.drawString(text, 10, 80);
  68     }
  69 
  70     public void test3(Graphics g) {
  71         Graphics2D g2d = (Graphics2D)g;
  72         g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
  73                              RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
  74         g2d.setColor(Color.black);
  75         g2d.drawString(text, 10, 50);
  76         Shape s = new RoundRectangle2D.Double(0, 60, 400, 50, 5, 5);
  77         g2d.clip(s);
  78         g2d.drawString(text, 10, 80);
  79     }
  80 
  81     public Dimension getPreferredSize() {
  82         return new Dimension(500,600);
  83     }
  84 
  85     public static void main(String[] args) throws Exception {
  86 
  87         Frame f = new Frame("Composite and Text Test");
  88         f.add(new LCDTextAndGraphicsState(), BorderLayout.CENTER);
  89         f.pack();
  90         f.setVisible(true);
  91     }
  92 }