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.
122 lines
4.8 KiB
Java
122 lines
4.8 KiB
Java
/*
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* Copyright (c) 1999, 2025, 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 4154572
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* @summary Tests that the area behind a TitledBorder's title string is transparent,
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* allowing the component's background to show through
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual TransparentTitleTest
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*/
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import java.awt.GridLayout;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Color;
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import java.awt.image.BufferedImage;
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import javax.swing.ImageIcon;
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import javax.swing.JFrame;
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import javax.swing.JPanel;
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import javax.swing.border.TitledBorder;
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import javax.swing.border.LineBorder;
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public class TransparentTitleTest {
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private static final String INSTRUCTIONS = """
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If all panels are correctly painted such that the title of the
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border allows the underlying panel image (green rectangle)
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to show through the background of the text,
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then this test passes; else it fails.
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""";
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public static void main(String[] args) throws Exception {
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PassFailJFrame.builder()
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.title("TransparentTitleTest Instructions")
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.instructions(INSTRUCTIONS)
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.columns(40)
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.testUI(TransparentTitleTest::createTestUI)
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.build()
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.awaitAndCheck();
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}
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private static JFrame createTestUI() {
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JFrame frame = new JFrame("TransparentTitleTest");
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frame.setLayout(new GridLayout(3, 6, 5, 5));
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frame.add(new ImagePanel(TitledBorder.TOP, TitledBorder.LEFT));
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frame.add(new ImagePanel(TitledBorder.TOP, TitledBorder.CENTER));
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frame.add(new ImagePanel(TitledBorder.TOP, TitledBorder.RIGHT));
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frame.add(new ImagePanel(TitledBorder.ABOVE_TOP, TitledBorder.LEFT));
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frame.add(new ImagePanel(TitledBorder.ABOVE_TOP, TitledBorder.CENTER));
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frame.add(new ImagePanel(TitledBorder.ABOVE_TOP, TitledBorder.RIGHT));
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frame.add(new ImagePanel(TitledBorder.BELOW_TOP, TitledBorder.LEFT));
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frame.add(new ImagePanel(TitledBorder.BELOW_TOP, TitledBorder.CENTER));
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frame.add(new ImagePanel(TitledBorder.BELOW_TOP, TitledBorder.RIGHT));
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frame.add(new ImagePanel(TitledBorder.BOTTOM, TitledBorder.LEFT));
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frame.add(new ImagePanel(TitledBorder.BOTTOM, TitledBorder.CENTER));
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frame.add(new ImagePanel(TitledBorder.BOTTOM, TitledBorder.RIGHT));
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frame.add(new ImagePanel(TitledBorder.ABOVE_BOTTOM, TitledBorder.LEFT));
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frame.add(new ImagePanel(TitledBorder.ABOVE_BOTTOM, TitledBorder.CENTER));
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frame.add(new ImagePanel(TitledBorder.ABOVE_BOTTOM, TitledBorder.RIGHT));
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frame.add(new ImagePanel(TitledBorder.BELOW_BOTTOM, TitledBorder.LEFT));
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frame.add(new ImagePanel(TitledBorder.BELOW_BOTTOM, TitledBorder.CENTER));
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frame.add(new ImagePanel(TitledBorder.BELOW_BOTTOM, TitledBorder.RIGHT));
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frame.pack();
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return frame;
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}
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}
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class ImagePanel extends JPanel {
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private final ImageIcon imageIcon;
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private static final BufferedImage bufferedImage =
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new BufferedImage(128, 128, BufferedImage.TYPE_INT_ARGB);
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static {
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Graphics g = bufferedImage.getGraphics();
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g.setColor(Color.GREEN);
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g.fillRect(0, 0, 128, 128);
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}
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public ImagePanel(int titlePos, int titleJust) {
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imageIcon = new ImageIcon(bufferedImage);
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TitledBorder b = new TitledBorder(new LineBorder(Color.black,3), "title text");
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b.setTitlePosition(titlePos);
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b.setTitleJustification(titleJust);
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b.setTitleColor(Color.black);
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setBorder(b);
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}
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public Dimension getPreferredSize() {
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return new Dimension(imageIcon.getIconWidth(), imageIcon.getIconHeight());
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}
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public void paintComponent(Graphics g) {
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imageIcon.paintIcon(this, g, 0, 0);
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}
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}
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