/* * Copyright (c) 2021, 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. */ import java.awt.BasicStroke; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.Stroke; import java.awt.geom.Line2D; import java.awt.image.BufferedImage; import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE; /** * @test * @bug 7018932 * @summary fix LoopPipe.getStrokedSpans() performance (clipping enabled by Marlin renderer) * @run main/othervm/timeout=10 -Dsun.java2d.renderer=sun.java2d.marlin.DMarlinRenderingEngine StrokedLinePerf */ public class StrokedLinePerf { public static void main(String[] unused) { BufferedImage bi = new BufferedImage(400, 400, TYPE_INT_ARGB_PRE); test(bi, true); test(bi, false); } private static void test(BufferedImage bi, boolean useAA) { final long start = System.nanoTime(); final Graphics2D g2d = bi.createGraphics(); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, (useAA) ? RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF); Stroke stroke = new BasicStroke(2.0f, 1, 0, 1.0f, new float[]{0.0f, 4.0f}, 0.0f); g2d.setStroke(stroke); //Large values to trigger crash / infinite loop. g2d.draw(new Line2D.Double(4.0, 1.794369841E9, 567.0, -2.147483648E9)); System.out.println("StrokedLinePerf(" + useAA + "): Test duration= " + (1e-6 * (System.nanoTime() - start)) + " ms."); g2d.dispose(); } }