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/*
* Copyright (c) 2011, 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 6328154 6962082
* @summary ensure that ascii, and latin-1 text without combining marks, both layout faster
* than latin-1 text with combining marks. The presumption is then that the canonical
* GSUB table is being run only on the latter and not on either of the former.
*/
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import static java.awt.Font.*;
public class CombiningPerf {
private static Font font;
private static FontRenderContext frc;
public static void main(String[] args) throws Exception {
System.err.println("start");
GraphicsEnvironment.getLocalGraphicsEnvironment();
font = new Font("Lucida Sans Regular", PLAIN, 12);
frc = new FontRenderContext(null, false, false);
String ascii = "the characters are critical noodles?";
String french = "l'aper\u00e7u caract\u00e8re one \u00e9t\u00e9 cr\u00e9\u00e9s";
String frenchX = "l'aper\u00e7u caracte\u0300re one e\u0301te\u0301 ere\u0301e\u0301s";
// warmup
for (int i = 0; i < 100; ++i) {
TextLayout tl = new TextLayout(french, font, frc);
tl = new TextLayout(ascii, font, frc);
tl = new TextLayout(frenchX, font, frc);
}
/**/
long atime = test(ascii);
System.err.println("atime: " + (atime/1000000.0) + " length: " + ascii.length());
long ftime = test(french);
System.err.println("ftime: " + (ftime/1000000.0) + " length: " + french.length());
long xtime = test(frenchX);
System.err.println("xtime: " + (xtime/1000000.0) + " length: " + frenchX.length());
long limit = xtime * 2 / 3;
if (atime > limit || ftime > limit) {
throw new Exception("took too long");
}
/**/
}
private static long test(String text) {
long start = System.nanoTime();
for (int i = 0; i < 2000; ++i) {
TextLayout tl = new TextLayout(text, font, frc);
}
return System.nanoTime() - start;
}
}
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