russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
114 lines
3.8 KiB
Java
114 lines
3.8 KiB
Java
/*
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* Copyright (c) 1998, 2023, Oracle and/or its affiliates. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of Oracle nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import javax.swing.JComponent;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTextPane;
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import javax.swing.SwingUtilities;
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import javax.swing.text.Document;
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/**
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* This test is mean to isolate the speed of the JTextArea
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* It creates a JTextArea and then continuously appends text
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* to that string.
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*
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*/
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public class TextPaneTest extends AbstractSwingTest {
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JTextPane textArea1;
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final int repeat = 250;
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public JComponent getTestComponent() {
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JPanel panel = new JPanel();
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panel.setPreferredSize(new Dimension(200,200));
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panel.setLayout(new BorderLayout());
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textArea1 = new CountTextArea(10, 30);
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JScrollPane scroller = new JScrollPane(textArea1);
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panel.add(scroller, BorderLayout.CENTER);
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return panel;
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}
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public String getTestName() {
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return "TextPane";
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}
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public void runTest() {
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testTextArea(textArea1, "Swing is Fast! ");
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}
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public void testTextArea(JTextPane currentTextArea, String appendThis) {
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TextAppender appender = new TextAppender(currentTextArea, appendThis);
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for (int i = 0; i < repeat; i++) {
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try {
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SwingUtilities.invokeLater(appender);
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rest();
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} catch (Exception e) {System.out.println(e);}
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}
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}
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public static void main(String[] args) {
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runStandAloneTest(new TextPaneTest());
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}
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class CountTextArea extends JTextPane {
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public CountTextArea(int h, int w) {
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super();
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}
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public void paint(Graphics g) {
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super.paint(g);
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paintCount++;
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}
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}
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static class TextAppender implements Runnable {
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JTextPane area;
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String appendString;
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public TextAppender(JTextPane textArea, String appendThis) {
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area = textArea;
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appendString = appendThis;
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}
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public void run() {
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try {
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Document doc = area.getDocument();
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doc.insertString(doc.getLength(), appendString, null);
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} catch (Exception e) {
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}
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}
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}
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}
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