238 lines
8.7 KiB
Java
238 lines
8.7 KiB
Java
/*
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* Copyright (c) 2007, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6263951
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* @summary Text should be B&W, grayscale, and LCD.
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* @requires (os.family != "mac")
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* @run main/manual TextAAHintsTest
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*/
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import java.awt.AWTException;
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import java.awt.BorderLayout;
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import java.awt.Button;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Dialog;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.ImageCapabilities;
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import java.awt.Panel;
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import java.awt.RenderingHints;
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import java.awt.TextArea;
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import java.awt.image.BufferedImage;
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import java.awt.image.VolatileImage;
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import java.lang.reflect.InvocationTargetException;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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public class TextAAHintsTest extends Component {
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private static final String black = "This text should be solid black";
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private static final String gray = "This text should be gray scale anti-aliased";
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private static final String lcd = "This text should be LCD sub-pixel text (coloured).";
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private static final CountDownLatch countDownLatch = new CountDownLatch(1);
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private static volatile String failureReason;
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private static volatile boolean testPassed = false;
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private static Frame frame;
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public void paint(Graphics g) {
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Graphics2D g2d = (Graphics2D)g.create();
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g2d.setColor(Color.white);
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g2d.fillRect(0,0,getSize().width, getSize().height);
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drawText(g.create(0, 0, 500, 100));
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bufferedImageText(g.create(0, 100, 500, 100));
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volatileImageText(g.create(0, 200, 500, 100));
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}
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private void drawText(Graphics g) {
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Graphics2D g2d = (Graphics2D)g;
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g2d.setColor(Color.white);
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g2d.fillRect(0,0,500,100);
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g2d.setColor(Color.black);
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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RenderingHints.VALUE_ANTIALIAS_ON);
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g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
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g2d.drawString(black, 10, 20);
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g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT);
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g2d.drawString(gray, 10, 35);
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g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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g2d.drawString(gray, 10, 50);
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/* For visual comparison, render grayscale with graphics AA off */
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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RenderingHints.VALUE_ANTIALIAS_OFF);
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g2d.drawString(gray, 10, 65);
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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RenderingHints.VALUE_ANTIALIAS_ON);
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g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
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g2d.drawString(lcd, 10, 80);
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}
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public void bufferedImageText(Graphics g) {
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BufferedImage bi =
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new BufferedImage(500, 100, BufferedImage.TYPE_INT_RGB);
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Graphics2D g2d = bi.createGraphics();
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drawText(g2d);
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g.drawImage(bi, 0, 0, null);
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}
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public VolatileImage getVolatileImage(int w, int h) {
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VolatileImage image;
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try {
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image = createVolatileImage(w, h, new ImageCapabilities(true));
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} catch (AWTException e) {
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System.out.println(e);
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System.out.println("Try creating non-accelerated VI instead.");
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try {
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image = createVolatileImage(w, h,
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new ImageCapabilities(false));
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} catch (AWTException e1) {
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System.out.println("Skipping volatile image test.");
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image = null;
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}
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}
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return image;
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}
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public void volatileImageText(Graphics g) {
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VolatileImage image = getVolatileImage(500, 100);
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if (image == null) {
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return;
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}
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boolean painted = false;
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while (!painted) {
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int status = image.validate(getGraphicsConfiguration());
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if (status == VolatileImage.IMAGE_INCOMPATIBLE) {
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image = getVolatileImage(500, 100);
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if (image == null) {
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return;
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}
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}
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drawText(image.createGraphics());
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g.drawImage(image, 0, 0, null);
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painted = !image.contentsLost();
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System.out.println("painted = " + painted);
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}
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}
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public Dimension getPreferredSize() {
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return new Dimension(500,300);
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}
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public static void createTestUI() {
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frame = new Frame("Composite and Text Test");
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TextAAHintsTest textAAHintsTestObject = new TextAAHintsTest();
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frame.add(textAAHintsTestObject, BorderLayout.NORTH);
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String instructions = """
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Note: Texts are rendered with different TEXT_ANTIALIASING &
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VALUE_TEXT_ANTIALIAS. Text should be B&W, grayscale, and LCD.
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Note: The results may be visually the same.
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1. Verify that first set of text are rendered correctly.
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2. Second set of text are created using BufferedImage of the first text.
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3. Third set of text are created using VolatileImage of the first text.
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""";
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TextArea instructionTextArea = new TextArea(instructions, 8, 50);
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instructionTextArea.setEditable(false);
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frame.add(instructionTextArea, BorderLayout.CENTER);
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Panel controlPanel = new Panel();
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Button passButton = new Button("Pass");
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passButton.addActionListener(e -> {
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testPassed = true;
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countDownLatch.countDown();
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frame.dispose();
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});
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Button failButton = new Button("Fail");
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failButton.addActionListener(e -> {
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getFailureReason();
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testPassed = false;
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countDownLatch.countDown();
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frame.dispose();
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});
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controlPanel.add(passButton);
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controlPanel.add(failButton);
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frame.add(controlPanel, BorderLayout.SOUTH);
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frame.pack();
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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}
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public static void getFailureReason() {
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// Show dialog to read why the testcase was failed and append the
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// testcase failure reason to the output
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final Dialog dialog = new Dialog(frame, "TestCase" +
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" failure reason", true);
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TextArea textArea = new TextArea("", 5, 60, TextArea.SCROLLBARS_BOTH);
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dialog.add(textArea, BorderLayout.CENTER);
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Button okButton = new Button("OK");
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okButton.addActionListener(e1 -> {
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failureReason = textArea.getText();
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dialog.dispose();
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});
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Panel ctlPanel = new Panel();
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ctlPanel.add(okButton);
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dialog.add(ctlPanel, BorderLayout.SOUTH);
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dialog.setLocationRelativeTo(null);
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dialog.pack();
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dialog.setVisible(true);
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}
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public static void main(String[] args) throws InterruptedException, InvocationTargetException {
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EventQueue.invokeAndWait(TextAAHintsTest::createTestUI);
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if (!countDownLatch.await(2, TimeUnit.MINUTES)) {
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EventQueue.invokeAndWait(() -> {
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if (frame != null) {
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frame.dispose();
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}
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});
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throw new RuntimeException("Timeout : No action was taken on the test.");
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}
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if (!testPassed) {
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throw new RuntimeException("Test failed : Reason : " + failureReason);
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}
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}
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}
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