60 lines
2.3 KiB
Java
60 lines
2.3 KiB
Java
/*
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* Copyright (c) 2021, 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 8256372
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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.Rectangle;
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import java.awt.font.FontRenderContext;
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import java.awt.font.GlyphVector;
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public class NLGlyphTest {
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public static void main(String[] args) {
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char[] chs = { '\n' };
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FontRenderContext frc = new FontRenderContext(null, true, true);
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GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
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Font[] fonts = ge.getAllFonts();
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for (Font font : fonts) {
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GlyphVector cgv = font.createGlyphVector(frc, "\n");
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GlyphVector lgv = font.layoutGlyphVector(frc, chs, 0, 1, 0);
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int c_code = cgv.getGlyphCode(0);
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int l_code = lgv.getGlyphCode(0);
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if ((c_code != l_code) || (l_code == 0)) {
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System.out.println(font);
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System.out.println("create code="+c_code + " layout code="+l_code);
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Rectangle r_l = lgv.getPixelBounds(frc, 0f, 0f);
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Rectangle r_c = cgv.getPixelBounds(frc, 0f, 0f);
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System.out.println(r_l.isEmpty()+" "+ r_c.isEmpty());
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if (r_l.isEmpty() != r_c.isEmpty()) {
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throw new RuntimeException("One glyph renders");
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}
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}
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}
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}
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}
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