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/*
* Copyright (c) 2007, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6576507
* @summary Both lines of text should be readable
* @run main/manual LCDTextAndGraphicsState
*/
import java.awt.AlphaComposite;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Panel;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.TextArea;
import java.awt.event.ActionEvent;
import java.awt.geom.RoundRectangle2D;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
public class LCDTextAndGraphicsState extends Component {
private static final Frame testFrame = new Frame("Composite and Text Test");
private static final String text = "This test passes only if this text appears SIX TIMES else fail";
private static volatile boolean testResult;
private static volatile CountDownLatch countDownLatch;
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D)g.create();
g2d.setColor(Color.white);
g2d.fillRect(0,0,getSize().width, getSize().height);
test1(g.create(0, 0, 500, 100));
test2(g.create(0, 100, 500, 100));
test3(g.create(0, 200, 500, 100));
}
public void test1(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
g2d.setColor(Color.black);
g2d.drawString(text, 10, 20);
g2d.setComposite(AlphaComposite.getInstance(
AlphaComposite.SRC_OVER, 0.9f));
g2d.drawString(text, 10, 50);
}
public void test2(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
g2d.setColor(Color.black);
g2d.drawString(text, 10, 20);
g2d.setPaint(new GradientPaint(
0f, 0f, Color.BLACK, 100f, 100f, Color.GRAY));
g2d.drawString(text, 10, 50);
}
public void test3(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
g2d.setColor(Color.black);
g2d.drawString(text, 10, 20);
Shape s = new RoundRectangle2D.Double(0, 30, 400, 50, 5, 5);
g2d.clip(s);
g2d.drawString(text, 10, 50);
}
public Dimension getPreferredSize() {
return new Dimension(500,300);
}
public static void disposeUI() {
countDownLatch.countDown();
testFrame.dispose();
}
public static void createTestUI() {
testFrame.add(new LCDTextAndGraphicsState(), BorderLayout.NORTH);
Panel resultButtonPanel = new Panel(new GridLayout(1, 2));
Button passButton = new Button("Pass");
passButton.addActionListener((ActionEvent e) -> {
testResult = true;
disposeUI();
});
Button failButton = new Button("Fail");
failButton.addActionListener(e -> {
testResult = false;
disposeUI();
});
resultButtonPanel.add(passButton);
resultButtonPanel.add(failButton);
Panel controlUI = new Panel(new BorderLayout());
TextArea instructions = new TextArea(
"Instructions:\n" +
"If you see the text six times above, press Pass.\n" +
"If not, press Fail.",
3,
50,
TextArea.SCROLLBARS_NONE
);
instructions.setEditable(false);
controlUI.add(instructions, BorderLayout.CENTER);
controlUI.add(resultButtonPanel, BorderLayout.SOUTH);
testFrame.add(controlUI, BorderLayout.SOUTH);
testFrame.pack();
testFrame.setLocationRelativeTo(null);
testFrame.setVisible(true);
}
public static void main(String[] args) throws InterruptedException {
countDownLatch = new CountDownLatch(1);
createTestUI();
if (!countDownLatch.await(10, TimeUnit.MINUTES)) {
throw new RuntimeException("Timeout : No action was performed on the test UI.");
}
if (!testResult) {
throw new RuntimeException("Test failed!");
}
}
}
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