89 lines
3.2 KiB
Java
89 lines
3.2 KiB
Java
/*
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* Copyright (c) 2016, 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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/* @test
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* @bug 8073400 8198412 8204126
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* @summary Some Monospaced logical fonts have a different width
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* @author Dmitry Markov
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* @run main MonospacedGlyphWidthTest
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* @requires (os.family == "windows" | os.family == "mac")
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*/
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import java.awt.Font;
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import java.awt.GraphicsEnvironment;
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import java.awt.font.FontRenderContext;
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public class MonospacedGlyphWidthTest {
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private static final int ASCII_START_INDEX = 0x0061;
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private static final int ASCII_END_INDEX = 0x007A;
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private static final int TEST_START_INDEX = 0x2018;
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private static final int TEST_END_INDEX = 0x201F;
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private static boolean checkChars(int start, int end, boolean except) {
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Font font = new Font(Font.MONOSPACED, Font.PLAIN, 12);
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double width = getCharWidth(font, 'a');
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for (int i = start; i <= end; i++) {
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if (!(font.canDisplay(i))) {
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if (except) {
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continue;
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} else {
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return false;
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}
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}
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if (width != getCharWidth(font, (char)i)) {
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if (except) {
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throw new RuntimeException(
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"Test Failed: characters have different width!");
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} else {
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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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private static double getCharWidth(Font font, char c) {
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FontRenderContext fontRenderContext = new FontRenderContext(null, false, false);
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return font.getStringBounds(new char[] {c}, 0, 1, fontRenderContext).getWidth();
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}
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public static void main(String[] args) {
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if (!checkChars(ASCII_START_INDEX, ASCII_END_INDEX, false)) {
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System.out.println("It appears there are no suitable fonts");
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System.out.println("Here are the fonts found on this system:");
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GraphicsEnvironment ge =
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GraphicsEnvironment.getLocalGraphicsEnvironment();
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Font[] fonts = ge.getAllFonts();
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for (Font f : fonts) {
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System.out.println(f);
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}
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return;
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}
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checkChars(TEST_START_INDEX, TEST_END_INDEX, true);
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System.out.println("Test Passed!");
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}
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}
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