openjdk源码
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/*
* Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 7183458
* @summary Verify advance of space is not overly widened by bold styling.
* @run main StyledSpaceAdvance
*/
import java.awt.Font;
import java.awt.font.FontRenderContext;
import java.awt.geom.Rectangle2D;
import java.util.Locale;
public class StyledSpaceAdvance {
static String name = "Gulim";
public static void main(String args[]) {
for (int sz=9;sz<18;sz++) {
test(sz);
}
}
static void test(int sz) {
Font reg = new Font(name, Font.PLAIN, sz);
Font bold = new Font(name, Font.BOLD, sz);
//System.out.println("reg="+reg);
//System.out.println("bold="+bold);
FontRenderContext frc = new FontRenderContext(null, false, false);
if (reg.getFontName(Locale.ENGLISH).equals(name) &&
bold.getFontName(Locale.ENGLISH).equals(name)) {
Rectangle2D rb = reg.getStringBounds(" ", frc);
Rectangle2D bb = bold.getStringBounds(" ", frc);
if (bb.getWidth() > rb.getWidth() + 1.01f) {
System.err.println("reg="+reg+" bds = " + rb);
System.err.println("bold="+bold+" bds = " + bb);
throw new RuntimeException("Advance difference too great.");
}
} else {
System.out.println("Skipping test because fonts aren't as expected");
}
}
}