137 lines
4.8 KiB
Java
137 lines
4.8 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8240756 8298887
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* @summary Non-English characters are printed with wrong glyphs on MacOS
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* @modules java.desktop/sun.java2d java.desktop/sun.java2d.loops java.desktop/sun.font
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* @requires os.family == "mac"
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* @run main MultiSlotFontTest
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*/
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Font;
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import java.awt.Graphics;
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import java.awt.Image;
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import java.awt.RenderingHints;
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import java.awt.font.FontRenderContext;
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import java.awt.font.GlyphVector;
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import java.awt.image.BufferedImage;
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import sun.font.StandardGlyphVector;
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import sun.java2d.OSXOffScreenSurfaceData;
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import sun.java2d.SunGraphics2D;
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import sun.java2d.SurfaceData;
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import sun.java2d.loops.SurfaceType;
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public class MultiSlotFontTest {
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private static final int WIDTH = 100;
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private static final int HEIGHT = 60;
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private static final String TEST_STR = "\u3042\u3044\u3046\u3048\u304Aabc";
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private static final int EXPECTED_HEIGHT = 10;
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private static final int EXPECTED_WIDTH = 77;
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private static final int LIMIT_DIFF_HEIGHT = 3;
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private static final int LIMIT_DIFF_WIDTH = 15;
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public static void main(String[] args) throws Exception {
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MultiSlotFontTest test = new MultiSlotFontTest();
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}
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public MultiSlotFontTest() {
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BufferedImage img = createImage();
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SurfaceData sd = OSXOffScreenSurfaceData.createDataIC(img,
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SurfaceType.IntRgb);
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SunGraphics2D g2d = new SunGraphics2D(sd,
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Color.BLACK, Color.WHITE, null);
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Font font = g2d.getFont();
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if (font.canDisplayUpTo(TEST_STR) != -1) {
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System.out.println("There is no capable font. Skipping the test.");
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System.out.println("Font: " + font);
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return;
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}
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FontRenderContext frc = new FontRenderContext(null, false, false);
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StandardGlyphVector gv = new StandardGlyphVector(font, TEST_STR, frc);
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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RenderingHints.VALUE_ANTIALIAS_OFF);
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g2d.drawGlyphVector(gv, 0.0f, (float)(HEIGHT - 5));
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g2d.dispose();
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Dimension d = getBounds(img);
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if (Math.abs(d.height - EXPECTED_HEIGHT) > LIMIT_DIFF_HEIGHT ||
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Math.abs(d.width - EXPECTED_WIDTH) > LIMIT_DIFF_WIDTH) {
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debugOut(img);
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throw new RuntimeException(
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"Incorrect GlyphVector shape " + d + "," + gv);
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}
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}
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private static BufferedImage createImage() {
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BufferedImage image = new BufferedImage(WIDTH, HEIGHT,
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BufferedImage.TYPE_INT_RGB);
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Graphics g = image.createGraphics();
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g.setColor(Color.WHITE);
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g.fillRect(0, 0, WIDTH, HEIGHT);
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g.dispose();
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return image;
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}
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private Dimension getBounds(BufferedImage img) {
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int top = HEIGHT;
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int left = WIDTH;
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int right = 0;
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int bottom = 0;
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for (int y = 0; y < HEIGHT; y++) {
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for (int x = 0; x < WIDTH; x++) {
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if ((img.getRGB(x, y) & 0xFFFFFF) == 0) {
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if (top > y) top = y;
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if (bottom < y) bottom = y;
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if (left > x) left = x;
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if (right < x) right = x;
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}
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}
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}
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return new Dimension(right - left, bottom - top);
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}
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private void debugOut(BufferedImage img) {
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for (int y = 0; y < HEIGHT; y++) {
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for (int x = 0; x < WIDTH; x++) {
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int c = img.getRGB(x, y) & 0xFFFFFF;
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if (c == 0) {
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System.out.print("*");
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} else {
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System.out.print(" ");
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}
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}
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System.out.println();
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}
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}
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}
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