test/jdk/javax/swing/JViewport/8164032/JViewPortBackingStoreImageTest.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2016, 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.
  */

 import java.awt.Color;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Insets;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.util.HashMap;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import javax.swing.JButton;
 import javax.swing.JComponent;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTextArea;
 import javax.swing.JTextPane;
 import javax.swing.JViewport;
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.text.BadLocationException;
 import javax.swing.text.DefaultStyledDocument;
 import javax.swing.text.Style;
 import javax.swing.text.StyleConstants;
 import javax.swing.text.StyleContext;

 /*
  * @test
  * @bug 8164032 8156217
  * @summary JViewport backing store image is not scaled on HiDPI display
  * @run main/manual JViewPortBackingStoreImageTest
  */
 public class JViewPortBackingStoreImageTest {

     private static volatile boolean testResult = false;
     private static volatile CountDownLatch countDownLatch;
     private static final String INSTRUCTIONS = "INSTRUCTIONS:\n\n"
             + "Verify text is drawn with high resolution and text selection "
             + "is not shifted when JViewPort is used on HiDPI display.\n\n"
             + "If the display does not support HiDPI mode press PASS.\n\n"
             + "1. Check that the text does not have low resolution.\n"
             + "If no, press FAIL.\n\n"
             + "2. Select the current text from the end to the beginning.\n"
             + "\n"
             + "If the text is slightly shiftted from one side to another\n"
             + "and back during selection press Fail.\n"
             + "Otherwise, press Pass.";

     private static DefaultStyledDocument doc;
     private static StyleContext styles;
     private static HashMap<String, Style> contentAttributes;

     public static void main(String args[]) throws Exception {
         countDownLatch = new CountDownLatch(1);

         SwingUtilities.invokeLater(JViewPortBackingStoreImageTest::createUI);
         countDownLatch.await(15, TimeUnit.MINUTES);

         if (!testResult) {
             throw new RuntimeException("Test fails!");
         }
     }

     private static void createUI() {

         try {
             UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
         } catch (Exception e) {
             throw new RuntimeException(e);
         }

         final JFrame mainFrame = new JFrame();
         GridBagLayout layout = new GridBagLayout();
         JPanel mainControlPanel = new JPanel(layout);
         JPanel resultButtonPanel = new JPanel(layout);

         GridBagConstraints gbc = new GridBagConstraints();

         gbc.gridx = 0;
         gbc.gridy = 0;
         gbc.insets = new Insets(5, 15, 5, 15);
         gbc.fill = GridBagConstraints.HORIZONTAL;
         mainControlPanel.add(createComponent(), gbc);

         JTextArea instructionTextArea = new JTextArea();
         instructionTextArea.setText(INSTRUCTIONS);
         instructionTextArea.setEditable(false);
         instructionTextArea.setBackground(Color.white);

         gbc.gridx = 0;
         gbc.gridy = 1;
         gbc.fill = GridBagConstraints.HORIZONTAL;
         mainControlPanel.add(instructionTextArea, gbc);

         JButton passButton = new JButton("Pass");
         passButton.setActionCommand("Pass");
         passButton.addActionListener((ActionEvent e) -> {
             testResult = true;
             mainFrame.dispose();
             countDownLatch.countDown();

         });

         JButton failButton = new JButton("Fail");
         failButton.setActionCommand("Fail");
         failButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
                 mainFrame.dispose();
                 countDownLatch.countDown();
             }
         });

         gbc.gridx = 0;
         gbc.gridy = 0;

         resultButtonPanel.add(passButton, gbc);

         gbc.gridx = 1;
         gbc.gridy = 0;
         resultButtonPanel.add(failButton, gbc);

         gbc.gridx = 0;
         gbc.gridy = 2;
         mainControlPanel.add(resultButtonPanel, gbc);

         mainFrame.add(mainControlPanel);
         mainFrame.pack();

         mainFrame.addWindowListener(new WindowAdapter() {

             @Override
             public void windowClosing(WindowEvent e) {
                 mainFrame.dispose();
                 countDownLatch.countDown();
             }
         });
         mainFrame.setVisible(true);
     }

     private static JComponent createComponent() {
         createStyles();
         for (int i = 0; i < data.length; i++) {
             Paragraph p = data[i];
             addParagraph(p);
         }

         JTextPane textPane = new JTextPane(doc);

         JScrollPane scroller = new JScrollPane();
         JViewport port = scroller.getViewport();
         port.setScrollMode(JViewport.BACKINGSTORE_SCROLL_MODE);
         port.add(textPane);

         return scroller;
     }

     static void createStyles() {
         styles = new StyleContext();
         doc = new DefaultStyledDocument(styles);
         contentAttributes = new HashMap<>();

         // no attributes defined
         Style s = styles.addStyle(null, null);
         contentAttributes.put("none", s);

         Style def = styles.getStyle(StyleContext.DEFAULT_STYLE);

         Style heading = styles.addStyle("heading", def);
         StyleConstants.setFontFamily(heading, "SansSerif");
         StyleConstants.setBold(heading, true);
         StyleConstants.setAlignment(heading, StyleConstants.ALIGN_CENTER);
         StyleConstants.setSpaceAbove(heading, 10);
         StyleConstants.setSpaceBelow(heading, 10);
         StyleConstants.setFontSize(heading, 18);

         // Title
         Style sty = styles.addStyle("title", heading);
         StyleConstants.setFontSize(sty, 32);

         // author
         sty = styles.addStyle("author", heading);
         StyleConstants.setItalic(sty, true);
         StyleConstants.setSpaceBelow(sty, 25);
     }

     static void addParagraph(Paragraph p) {
         try {
             Style s = null;
             for (int i = 0; i < p.data.length; i++) {
                 AttributedContent run = p.data[i];
                 s = contentAttributes.get(run.attr);
                 doc.insertString(doc.getLength(), run.content, s);
             }

             Style ls = styles.getStyle(p.logical);
             doc.setLogicalStyle(doc.getLength() - 1, ls);
             doc.insertString(doc.getLength(), "\n", null);
         } catch (BadLocationException e) {
             throw new RuntimeException(e);
         }
     }

     private static Paragraph[] data = new Paragraph[]{
         new Paragraph("title", new AttributedContent[]{
             new AttributedContent("none", "ALICE'S ADVENTURES IN WONDERLAND")
         }),
         new Paragraph("author", new AttributedContent[]{
             new AttributedContent("none", "Lewis Carroll")
         }),
         new Paragraph("heading", new AttributedContent[]{
             new AttributedContent("alice", " ")
         })};

     static class Paragraph {

         Paragraph(String logical, AttributedContent[] data) {
             this.logical = logical;
             this.data = data;
         }
         String logical;
         AttributedContent[] data;
     }

     static class AttributedContent {

         AttributedContent(String attr, String content) {
             this.attr = attr;
             this.content = content;
         }
         String attr;
         String content;
     }
 }
	/*
	* Copyright (c) 2016, 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.
	*/

	import java.awt.Color;
	import java.awt.GridBagConstraints;
	import java.awt.GridBagLayout;
	import java.awt.Insets;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.event.WindowAdapter;
	import java.awt.event.WindowEvent;
	import java.util.HashMap;
	import java.util.concurrent.CountDownLatch;
	import java.util.concurrent.TimeUnit;
	import javax.swing.JButton;
	import javax.swing.JComponent;
	import javax.swing.JFrame;
	import javax.swing.JPanel;
	import javax.swing.JScrollPane;
	import javax.swing.JTextArea;
	import javax.swing.JTextPane;
	import javax.swing.JViewport;
	import javax.swing.SwingUtilities;
	import javax.swing.UIManager;
	import javax.swing.text.BadLocationException;
	import javax.swing.text.DefaultStyledDocument;
	import javax.swing.text.Style;
	import javax.swing.text.StyleConstants;
	import javax.swing.text.StyleContext;

	/*
	* @test
	* @bug 8164032 8156217
	* @summary JViewport backing store image is not scaled on HiDPI display
	* @run main/manual JViewPortBackingStoreImageTest
	*/
	public class JViewPortBackingStoreImageTest {

	private static volatile boolean testResult = false;
	private static volatile CountDownLatch countDownLatch;
	private static final String INSTRUCTIONS = "INSTRUCTIONS:\n\n"
	+ "Verify text is drawn with high resolution and text selection "
	+ "is not shifted when JViewPort is used on HiDPI display.\n\n"
	+ "If the display does not support HiDPI mode press PASS.\n\n"
	+ "1. Check that the text does not have low resolution.\n"
	+ "If no, press FAIL.\n\n"
	+ "2. Select the current text from the end to the beginning.\n"
	+ "\n"
	+ "If the text is slightly shiftted from one side to another\n"
	+ "and back during selection press Fail.\n"
	+ "Otherwise, press Pass.";

	private static DefaultStyledDocument doc;
	private static StyleContext styles;
	private static HashMap<String, Style> contentAttributes;

	public static void main(String args[]) throws Exception {
	countDownLatch = new CountDownLatch(1);

	SwingUtilities.invokeLater(JViewPortBackingStoreImageTest::createUI);
	countDownLatch.await(15, TimeUnit.MINUTES);

	if (!testResult) {
	throw new RuntimeException("Test fails!");
	}
	}

	private static void createUI() {

	try {
	UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
	} catch (Exception e) {
	throw new RuntimeException(e);
	}

	final JFrame mainFrame = new JFrame();
	GridBagLayout layout = new GridBagLayout();
	JPanel mainControlPanel = new JPanel(layout);
	JPanel resultButtonPanel = new JPanel(layout);

	GridBagConstraints gbc = new GridBagConstraints();

	gbc.gridx = 0;
	gbc.gridy = 0;
	gbc.insets = new Insets(5, 15, 5, 15);
	gbc.fill = GridBagConstraints.HORIZONTAL;
	mainControlPanel.add(createComponent(), gbc);

	JTextArea instructionTextArea = new JTextArea();
	instructionTextArea.setText(INSTRUCTIONS);
	instructionTextArea.setEditable(false);
	instructionTextArea.setBackground(Color.white);

	gbc.gridx = 0;
	gbc.gridy = 1;
	gbc.fill = GridBagConstraints.HORIZONTAL;
	mainControlPanel.add(instructionTextArea, gbc);

	JButton passButton = new JButton("Pass");
	passButton.setActionCommand("Pass");
	passButton.addActionListener((ActionEvent e) -> {
	testResult = true;
	mainFrame.dispose();
	countDownLatch.countDown();

	});

	JButton failButton = new JButton("Fail");
	failButton.setActionCommand("Fail");
	failButton.addActionListener(new ActionListener() {
	@Override
	public void actionPerformed(ActionEvent e) {
	mainFrame.dispose();
	countDownLatch.countDown();
	}
	});

	gbc.gridx = 0;
	gbc.gridy = 0;

	resultButtonPanel.add(passButton, gbc);

	gbc.gridx = 1;
	gbc.gridy = 0;
	resultButtonPanel.add(failButton, gbc);

	gbc.gridx = 0;
	gbc.gridy = 2;
	mainControlPanel.add(resultButtonPanel, gbc);

	mainFrame.add(mainControlPanel);
	mainFrame.pack();

	mainFrame.addWindowListener(new WindowAdapter() {

	@Override
	public void windowClosing(WindowEvent e) {
	mainFrame.dispose();
	countDownLatch.countDown();
	}
	});
	mainFrame.setVisible(true);
	}

	private static JComponent createComponent() {
	createStyles();
	for (int i = 0; i < data.length; i++) {
	Paragraph p = data[i];
	addParagraph(p);
	}

	JTextPane textPane = new JTextPane(doc);

	JScrollPane scroller = new JScrollPane();
	JViewport port = scroller.getViewport();
	port.setScrollMode(JViewport.BACKINGSTORE_SCROLL_MODE);
	port.add(textPane);

	return scroller;
	}

	static void createStyles() {
	styles = new StyleContext();
	doc = new DefaultStyledDocument(styles);
	contentAttributes = new HashMap<>();

	// no attributes defined
	Style s = styles.addStyle(null, null);
	contentAttributes.put("none", s);

	Style def = styles.getStyle(StyleContext.DEFAULT_STYLE);

	Style heading = styles.addStyle("heading", def);
	StyleConstants.setFontFamily(heading, "SansSerif");
	StyleConstants.setBold(heading, true);
	StyleConstants.setAlignment(heading, StyleConstants.ALIGN_CENTER);
	StyleConstants.setSpaceAbove(heading, 10);
	StyleConstants.setSpaceBelow(heading, 10);
	StyleConstants.setFontSize(heading, 18);

	// Title
	Style sty = styles.addStyle("title", heading);
	StyleConstants.setFontSize(sty, 32);

	// author
	sty = styles.addStyle("author", heading);
	StyleConstants.setItalic(sty, true);
	StyleConstants.setSpaceBelow(sty, 25);
	}

	static void addParagraph(Paragraph p) {
	try {
	Style s = null;
	for (int i = 0; i < p.data.length; i++) {
	AttributedContent run = p.data[i];
	s = contentAttributes.get(run.attr);
	doc.insertString(doc.getLength(), run.content, s);
	}

	Style ls = styles.getStyle(p.logical);
	doc.setLogicalStyle(doc.getLength() - 1, ls);
	doc.insertString(doc.getLength(), "\n", null);
	} catch (BadLocationException e) {
	throw new RuntimeException(e);
	}
	}

	private static Paragraph[] data = new Paragraph[]{
	new Paragraph("title", new AttributedContent[]{
	new AttributedContent("none", "ALICE'S ADVENTURES IN WONDERLAND")
	}),
	new Paragraph("author", new AttributedContent[]{
	new AttributedContent("none", "Lewis Carroll")
	}),
	new Paragraph("heading", new AttributedContent[]{
	new AttributedContent("alice", " ")
	})};

	static class Paragraph {

	Paragraph(String logical, AttributedContent[] data) {
	this.logical = logical;
	this.data = data;
	}
	String logical;
	AttributedContent[] data;
	}

	static class AttributedContent {

	AttributedContent(String attr, String content) {
	this.attr = attr;
	this.content = content;
	}
	String attr;
	String content;
	}
	}