109 lines
3.9 KiB
Java
109 lines
3.9 KiB
Java
/*
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* Copyright (c) 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.imageio.ImageIO;
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import javax.swing.JTable;
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import javax.swing.SwingUtilities;
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import javax.swing.table.JTableHeader;
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import javax.swing.UIManager;
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import java.awt.Dimension;
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import java.awt.Graphics2D;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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/*
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* @test
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* @bug 8311031
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* @summary Test to validate JTable header border vertical line is
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* aligned with data grid lines (Metal L&F).
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* @run main TableHeaderBorderPositionTest
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*/
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public class TableHeaderBorderPositionTest {
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private static final double SCALE = 2.25;
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public static void main(String[] args) throws Exception {
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UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
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String[][] data = {
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{"1", "1"}
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};
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String[] columnNames = {"Size", "Size"};
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JTable table = new JTable(data, columnNames);
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Dimension tableSize = table.getPreferredSize();
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table.setSize(tableSize);
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final JTableHeader header = table.getTableHeader();
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Dimension headerSize = header.getPreferredSize();
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header.setSize(headerSize);
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Dimension size = new Dimension(Math.max(headerSize.width, tableSize.width),
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headerSize.height + tableSize.height);
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BufferedImage bufferedImage =
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new BufferedImage((int)Math.ceil(size.width * SCALE),
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(int)Math.ceil(size.height * SCALE),
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BufferedImage.TYPE_INT_RGB);
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Graphics2D g2d = bufferedImage.createGraphics();
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g2d.scale(SCALE, SCALE);
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try {
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header.paint(g2d);
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g2d.translate(0, header.getHeight());
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table.paint(g2d);
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} finally {
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g2d.dispose();
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}
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int verticalLineCol = (int)(table.getTableHeader()
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.getColumnModel()
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.getColumn(0)
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.getWidth() * SCALE) - 2;
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int expectedRGB = bufferedImage.getRGB(verticalLineCol, 0);
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int maxHeight = (int)(((double)table.getTableHeader().getHeight() * SCALE)
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+ ((double)table.getRowHeight() * SCALE));
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for (int y = 0; y < maxHeight; y++) {
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for (int x = verticalLineCol; x < verticalLineCol + 3; x++) {
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if (expectedRGB != bufferedImage.getRGB(x, y)) {
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saveImage(bufferedImage, "failureImage.png");
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throw new RuntimeException("Test Failed at <" + x + ", " + y + ">");
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}
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}
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}
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System.out.println("Test Passed");
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}
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private static void saveImage(BufferedImage image, String fileName) {
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try {
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ImageIO.write(image, "png", new File(fileName));
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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