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/*
* Copyright (c) 2022, 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 8240756 8298887
* @summary Non-English characters are printed with wrong glyphs on MacOS
* @modules java.desktop/sun.java2d java.desktop/sun.java2d.loops java.desktop/sun.font
* @requires os.family == "mac"
* @run main MultiSlotFontTest
*/
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.image.BufferedImage;
import sun.font.StandardGlyphVector;
import sun.java2d.OSXOffScreenSurfaceData;
import sun.java2d.SunGraphics2D;
import sun.java2d.SurfaceData;
import sun.java2d.loops.SurfaceType;
public class MultiSlotFontTest {
private static final int WIDTH = 100;
private static final int HEIGHT = 60;
private static final String TEST_STR = "\u3042\u3044\u3046\u3048\u304Aabc";
private static final int EXPECTED_HEIGHT = 10;
private static final int EXPECTED_WIDTH = 77;
private static final int LIMIT_DIFF_HEIGHT = 3;
private static final int LIMIT_DIFF_WIDTH = 15;
public static void main(String[] args) throws Exception {
MultiSlotFontTest test = new MultiSlotFontTest();
}
public MultiSlotFontTest() {
BufferedImage img = createImage();
SurfaceData sd = OSXOffScreenSurfaceData.createDataIC(img,
SurfaceType.IntRgb);
SunGraphics2D g2d = new SunGraphics2D(sd,
Color.BLACK, Color.WHITE, null);
Font font = g2d.getFont();
if (font.canDisplayUpTo(TEST_STR) != -1) {
System.out.println("There is no capable font. Skipping the test.");
System.out.println("Font: " + font);
return;
}
FontRenderContext frc = new FontRenderContext(null, false, false);
StandardGlyphVector gv = new StandardGlyphVector(font, TEST_STR, frc);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
g2d.drawGlyphVector(gv, 0.0f, (float)(HEIGHT - 5));
g2d.dispose();
Dimension d = getBounds(img);
if (Math.abs(d.height - EXPECTED_HEIGHT) > LIMIT_DIFF_HEIGHT ||
Math.abs(d.width - EXPECTED_WIDTH) > LIMIT_DIFF_WIDTH) {
debugOut(img);
throw new RuntimeException(
"Incorrect GlyphVector shape " + d + "," + gv);
}
}
private static BufferedImage createImage() {
BufferedImage image = new BufferedImage(WIDTH, HEIGHT,
BufferedImage.TYPE_INT_RGB);
Graphics g = image.createGraphics();
g.setColor(Color.WHITE);
g.fillRect(0, 0, WIDTH, HEIGHT);
g.dispose();
return image;
}
private Dimension getBounds(BufferedImage img) {
int top = HEIGHT;
int left = WIDTH;
int right = 0;
int bottom = 0;
for (int y = 0; y < HEIGHT; y++) {
for (int x = 0; x < WIDTH; x++) {
if ((img.getRGB(x, y) & 0xFFFFFF) == 0) {
if (top > y) top = y;
if (bottom < y) bottom = y;
if (left > x) left = x;
if (right < x) right = x;
}
}
}
return new Dimension(right - left, bottom - top);
}
private void debugOut(BufferedImage img) {
for (int y = 0; y < HEIGHT; y++) {
for (int x = 0; x < WIDTH; x++) {
int c = img.getRGB(x, y) & 0xFFFFFF;
if (c == 0) {
System.out.print("*");
} else {
System.out.print(" ");
}
}
System.out.println();
}
}
}
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