86 lines
3.1 KiB
Java
86 lines
3.1 KiB
Java
/*
|
|
* 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;
|
|
}
|
|
}
|