/* * Copyright (c) 2022, 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. */ /* * @test * @bug 8015854 * @requires (os.family == "mac") * @summary Tests HTML image as JButton text for unwanted padding on macOS Aqua LAF * @run main HtmlButtonImageTest */ import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.nio.file.Path; import javax.imageio.ImageIO; import javax.swing.JButton; import javax.swing.SwingUtilities; import javax.swing.UIManager; import static java.awt.image.BufferedImage.TYPE_INT_ARGB; public final class HtmlButtonImageTest { private static JButton button; private static Path testDir; private static BufferedImage image; private static final int BUTTON_HEIGHT = 37; private static final int BUTTON_WIDTH = 37; private static final int SQUARE_HEIGHT = 19; private static final int SQUARE_WIDTH = 19; private static final int centerX = BUTTON_WIDTH / 2; private static final int centerY = BUTTON_HEIGHT / 2; private static final int minX = centerX - (SQUARE_WIDTH / 2); private static final int minY = centerY - (SQUARE_HEIGHT / 2); private static final int maxX = centerX + (SQUARE_WIDTH / 2); private static final int maxY = centerY + (SQUARE_HEIGHT / 2); public static void main(String[] args) throws Exception { UIManager.setLookAndFeel("com.apple.laf.AquaLookAndFeel"); testDir = Path.of(System.getProperty("test.classes", ".")); generateRedSquare(); SwingUtilities.invokeAndWait(HtmlButtonImageTest::createButton); SwingUtilities.invokeAndWait(HtmlButtonImageTest::paintButton); testImageCentering(image.getRGB(centerX, centerY), image.getRGB(minX, minY), image.getRGB(minX, maxY), image.getRGB(maxX, minY), image.getRGB(maxX, maxY)); } private static void generateRedSquare() throws IOException { BufferedImage bImg = new BufferedImage(SQUARE_WIDTH, SQUARE_HEIGHT, TYPE_INT_ARGB); Graphics2D cg = bImg.createGraphics(); cg.setColor(Color.RED); cg.fillRect(0, 0, SQUARE_WIDTH, SQUARE_HEIGHT); ImageIO.write(bImg, "png", new File(testDir + "/red_square.png")); } private static void createButton() { button = new JButton(); button.setSize(new Dimension(BUTTON_WIDTH, BUTTON_HEIGHT)); button.setText("<html><img src='" + testDir.resolve("red_square.png").toUri() + "'></html>"); } private static void paintButton() { image = new BufferedImage(BUTTON_HEIGHT, BUTTON_WIDTH, TYPE_INT_ARGB); Graphics2D graphics2D = image.createGraphics(); button.paint(graphics2D); graphics2D.dispose(); } private static boolean checkRedColor(int rgb) { return (rgb == Color.RED.getRGB()); } private static void testImageCentering(int... colors) throws IOException { for (int c : colors) { if (!checkRedColor(c)) { ImageIO.write(image, "png", new File(testDir + "/fail_image.png")); throw new RuntimeException("HTML image not centered in button"); } } System.out.println("Passed"); } }