67 lines
2.4 KiB
Java
67 lines
2.4 KiB
Java
/*
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* Copyright (c) 2003, 2023, 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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import javax.swing.JComponent;
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import javax.swing.JScrollBar;
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import javax.swing.SwingUtilities;
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import javax.swing.plaf.basic.BasicScrollBarUI;
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import java.awt.Graphics;
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import java.awt.Rectangle;
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import java.awt.image.BufferedImage;
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/*
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* @test
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* @bug 4696826
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* @summary BasicScrollBarUI should check if it needs to paint the thumb
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* @run main bug4696826
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*/
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public class bug4696826 {
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public static void main(String[] args) throws Exception {
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SwingUtilities.invokeAndWait(() -> {
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JScrollBar sb = new JScrollBar();
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sb.setBounds(new Rectangle(0, 0, 20, 20));
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TestScrollBarUI ui = new TestScrollBarUI();
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sb.setUI(ui);
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ui.setThumbBounds(0, 0, 20, 20);
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BufferedImage image = new BufferedImage(100, 100,
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BufferedImage.TYPE_3BYTE_BGR);
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Graphics g = image.getGraphics();
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g.setClip(200, 200, 100, 100);
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sb.paint(g);
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});
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System.out.println("Test Passed!");
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}
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static class TestScrollBarUI extends BasicScrollBarUI {
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protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) {
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throw new RuntimeException("Thumb shouldn't be painted");
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}
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public void setThumbBounds(int x, int y, int width, int height) {
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super.setThumbBounds(x, y, width, height);
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}
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}
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}
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