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/*
* Copyright (c) 2021, 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 8231286
* @summary Verifies if HTML font size too large with high-DPI scaling and W3C_LENGTH_UNITS
* @run main/othervm -Dsun.java2d.uiScale=1.0 HtmlFontSizeTest
*/
import java.awt.Dimension;
import java.util.Locale;
import javax.swing.JEditorPane;
import javax.swing.SwingUtilities;
import javax.swing.text.Document;
import javax.swing.text.html.HTMLEditorKit;
public class HtmlFontSizeTest {
static volatile Dimension w3cFrameSize;
static volatile Dimension stdFrameSize;
private static Dimension test(boolean w3ccheck) {
JEditorPane htmlPane = new JEditorPane();
htmlPane.setEditable(false);
if (w3ccheck) {
htmlPane.putClientProperty(JEditorPane.W3C_LENGTH_UNITS, Boolean.TRUE);
}
HTMLEditorKit kit = new HTMLEditorKit();
htmlPane.setEditorKit(kit);
String htmlString = "<html>\n"
+ "<body style=\"font-family:SansSerif; font-size:16pt\">\n"
+ "<p>This should be 16 pt.</p>\n"
+ "</body>\n"
+ "</html>";
Document doc = kit.createDefaultDocument();
htmlPane.setDocument(doc);
htmlPane.setText(htmlString);
return htmlPane.getPreferredSize();
}
public static void main(String[] args) throws Exception {
SwingUtilities.invokeAndWait(() -> {
w3cFrameSize = test(true);
stdFrameSize = test(false);
});
System.out.println("size with W3C:" + w3cFrameSize);
System.out.println("size without W3C:" + stdFrameSize);
float ratio = (float)w3cFrameSize.width / (float)stdFrameSize.width;
System.out.println("w3cFrameSize.width/stdFrameSize.width " + ratio);
if (!"1.3".equals(String.format(Locale.ENGLISH, "%.1f", ratio))) {
throw new RuntimeException("HTML font size too large with high-DPI scaling and W3C_LENGTH_UNITS");
}
}
}
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