75 lines
2.7 KiB
Java
75 lines
2.7 KiB
Java
/*
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* Copyright 2017 JetBrains s.r.o.
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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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/* @test
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* @bug 8170552
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* @summary verify enabling text layout for complex text on macOS
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* @requires os.family == "mac"
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*/
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import java.awt.Color;
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import java.awt.Font;
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import java.awt.Graphics;
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import java.awt.image.BufferedImage;
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public class DiacriticsDrawingTest {
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private static final Font FONT = new Font("Menlo", Font.PLAIN, 12);
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private static final int IMAGE_WIDTH = 20;
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private static final int IMAGE_HEIGHT = 20;
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private static final int TEXT_X = 5;
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private static final int TEXT_Y = 15;
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public static void main(String[] args) {
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BufferedImage composed = drawString("\u00e1"); // latin small letter a with acute
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BufferedImage decomposed = drawString("a\u0301"); // same letter in decomposed form
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if (!imagesAreEqual(composed, decomposed)) {
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throw new RuntimeException("Text rendering is supposed to be the same");
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}
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}
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private static BufferedImage drawString(String text) {
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BufferedImage image = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT, 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, IMAGE_WIDTH, IMAGE_HEIGHT);
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g.setColor(Color.black);
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g.setFont(FONT);
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g.drawString(text, TEXT_X, TEXT_Y);
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g.dispose();
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return image;
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}
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private static boolean imagesAreEqual(BufferedImage i1, BufferedImage i2) {
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if (i1.getWidth() != i2.getWidth() || i1.getHeight() != i2.getHeight()) return false;
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for (int i = 0; i < i1.getWidth(); i++) {
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for (int j = 0; j < i1.getHeight(); j++) {
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if (i1.getRGB(i, j) != i2.getRGB(i, j)) {
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return false;
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}
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}
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}
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return true;
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}
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}
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