line-through

/* * Copyright (c) 2024, 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. */ import java.awt.Dimension; import java.awt.Graphics; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; import javax.swing.JEditorPane; import javax.swing.text.View; import javax.swing.text.html.CSS; /* * @test * @bug 8326734 * @summary Tests different combinations of setting 'line-through' * @run main HTMLStrikeOnly */ public class HTMLStrikeOnly { private static final String HTML = """ line-through

~~line-through?~~

line-through?

~~line-through~~

line-through

"""; public static void main(String[] args) { final JEditorPane html = new JEditorPane("text/html", HTML); html.setEditable(false); final Dimension size = html.getPreferredSize(); html.setSize(size); BufferedImage image = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB); Graphics g = image.createGraphics(); // Paint the editor pane to ensure all views are created html.paint(g); g.dispose(); int errorCount = 0; String firstError = null; System.out.println("----- Views -----"); final View bodyView = html.getUI() .getRootView(html) .getView(1) .getView(1); for (int i = 0; i < bodyView.getViewCount(); i++) { View pView = bodyView.getView(i); View contentView = getContentView(pView); String decoration = contentView.getAttributes() .getAttribute(CSS.Attribute.TEXT_DECORATION) .toString(); System.out.println(i + ": " + decoration); if (!decoration.contains("line-through") || decoration.contains("underline")) { errorCount++; if (firstError == null) { firstError = "Line " + i + ": " + decoration; } } } if (errorCount > 0) { saveImage(image); throw new RuntimeException(errorCount + " error(s) found, " + "the first one: " + firstError); } } private static View getContentView(View parent) { View view = parent.getView(0); return view.getViewCount() > 0 ? getContentView(view) : view; } private static void saveImage(BufferedImage image) { try { ImageIO.write(image, "png", new File("html.png")); } catch (IOException ignored) { } } }