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// Copyright 2019 Azul Systems, Inc. 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 Azul Systems, 385 Moffett Park Drive, Suite 115, Sunnyvale,
// CA 94089 USA or visit www.azul.com if you need additional information or
// have any questions.
import java.awt.Font;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
/*
* @test
* @bug 8215210
* @summary Downport of prr's fix to a certain ICU wrong condition breaking some Hangul shaping
* @run main/othervm -Dsun.font.layoutengine=icu HangulShapingTest
*/
public class HangulShapingTest {
public static void main(String args[]) {
if (!System.getProperty("os.name").startsWith("Mac")) {
return;
}
// images of the strings as drawn should be identical
String beforeString = "\u1100\u1161 \u1102\u1161";
String afterString = "\uAC00 \uB098";
int w = 100, h = 100;
BufferedImage bi1 = drawit(w, h, beforeString);
BufferedImage bi2 = drawit(w, h, afterString);
boolean same = true;
for (int x = 0; x < w; x++) {
for (int y = 0; y < h; y++) {
int c1 = bi1.getRGB(x, y);
int c2 = bi2.getRGB(x, y);
same &= (c1 == c2);
}
if (!same) {
break;
}
}
if (!same) {
throw new RuntimeException("Images differ");
}
}
private static BufferedImage drawit(int w, int h, String toDraw) {
BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D biGraphics = bi.createGraphics();
biGraphics.setColor(Color.white);
biGraphics.fillRect(0, 0, w, h);
biGraphics.setColor(Color.black);
Font font = new Font("Dialog", Font.PLAIN, 20);
biGraphics.setFont(font);
biGraphics.drawString(toDraw, 10, 40);
return bi;
}
}
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