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8154463: New failure of closed/java/awt/font/Outline/OutlineInvarianceTest.java

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Reviewed-by: serb
This commit is contained in:
Phil Race 2018-05-02 13:23:34 -07:00
parent de8051e063
commit 1f62f34da0
1 changed files with 110 additions and 0 deletions
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test/jdk/java/awt/font/Outline/OutlineInvarianceTest.java Normal file
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/*
* Copyright (c) 2005, 2018, 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 5027379 8154463
* @summary This test verifies that outlines are the same for AA and B&W text
*/
import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.image.*;
public class OutlineInvarianceTest {
private static Shape getOutline(Font font, String str, boolean isAA) {
BufferedImage img = new BufferedImage(400, 400, BufferedImage.TYPE_INT_ARGB);
Graphics2D gc = (Graphics2D) img.getGraphics();
if (isAA) {
gc.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
} else {
gc.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
}
FontRenderContext frc = gc.getFontRenderContext();
GlyphVector gv;
gv = font.layoutGlyphVector(frc, str.toCharArray(), 0, str.length(), 0);
return gv.getOutline();
}
private static boolean compareShapes(Shape s1, Shape s2) {
if (s1 == null || s2 == null)
return false;
PathIterator p1 = s1.getPathIterator(null);
float coords1[] = {0f, 0f, 0f, 0f, 0f, 0f};
PathIterator p2 = s2.getPathIterator(null);
float coords2[] = {0f, 0f, 0f, 0f, 0f, 0f};
while (!p1.isDone() || !p2.isDone()) {
if (p1.currentSegment(coords1) != p2.currentSegment(coords2)) {
System.err.println("Types of segment are different");
return false;
}
for (int i=0; i<6; i++)
if (coords1[i] != coords2[i]) {
System.err.println("Coordinate "+i+" are different");
return false;
}
p1.next();
p2.next();
}
if (!(p1.isDone() && p2.isDone())) {
System.err.println("Length of paths are different");
}
return (p1.isDone() && p2.isDone());
}
private static void testFont(String family, float sz, String testStr) throws Exception {
Font f = new Font(family, Font.PLAIN, 1);
for(int style=1; style<4; style++) {
f = f.deriveFont(Font.BOLD, sz);
Shape s1 = getOutline(f, testStr, false);
Shape s2 = getOutline(f, testStr, true);
if (!compareShapes(s1, s2))
throw new Exception("Failed for font " + f);
}
}
public static void main(String[] arg) throws Exception {
String testStr = "0123456789";
testFont("MS Gothic", 30.0f, testStr);
testFont("MS Gothic", 12.0f, testStr);
testFont("MS Gothic", 7.0f, testStr);
}
}