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8231286: HTML font size too large with high-DPI scaling and W3C_LENGT…
…H_UNITS Reviewed-by: aivanov, psadhukhan
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test/jdk/javax/swing/text/html/CSS/8231286/HtmlFontSizeTest.java
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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 | ||
*/ | ||
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import java.awt.Dimension; | ||
import java.util.Locale; | ||
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import javax.swing.JEditorPane; | ||
import javax.swing.SwingUtilities; | ||
import javax.swing.text.Document; | ||
import javax.swing.text.html.HTMLEditorKit; | ||
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public class HtmlFontSizeTest { | ||
static volatile Dimension w3cFrameSize; | ||
static volatile Dimension stdFrameSize; | ||
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private static Dimension test(boolean w3ccheck) { | ||
JEditorPane htmlPane = new JEditorPane(); | ||
htmlPane.setEditable(false); | ||
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if (w3ccheck) { | ||
htmlPane.putClientProperty(JEditorPane.W3C_LENGTH_UNITS, Boolean.TRUE); | ||
} | ||
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HTMLEditorKit kit = new HTMLEditorKit(); | ||
htmlPane.setEditorKit(kit); | ||
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String htmlString = "<html>\n" | ||
+ "<body style=\"font-family:SansSerif; font-size:16pt\">\n" | ||
+ "<p>This should be 16 pt.</p>\n" | ||
+ "</body>\n" | ||
+ "</html>"; | ||
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Document doc = kit.createDefaultDocument(); | ||
htmlPane.setDocument(doc); | ||
htmlPane.setText(htmlString); | ||
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return htmlPane.getPreferredSize(); | ||
} | ||
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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); | ||
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float ratio = (float)w3cFrameSize.width / (float)stdFrameSize.width; | ||
System.out.println("w3cFrameSize.width/stdFrameSize.width " + ratio); | ||
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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"); | ||
} | ||
} | ||
} |