68 lines
2.3 KiB
Java
68 lines
2.3 KiB
Java
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/*
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* Copyright 2017 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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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