72f1f20605
8198411: [TEST_BUG] Two java2d tests are unstable in mach5 Skip testing VolatileImage if IndexColorModel is detected Reviewed-by: prr, serb
103 lines
3.6 KiB
Java
103 lines
3.6 KiB
Java
/*
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* Copyright (c) 2003, 2019, 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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import java.awt.BasicStroke;
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsEnvironment;
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import java.awt.Image;
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import java.awt.geom.Line2D;
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import java.awt.image.BufferedImage;
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import java.awt.image.IndexColorModel;
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import java.awt.image.VolatileImage;
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import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
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/**
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* @test
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* @bug 4917097 8019816 8198411
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* @key headful
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* @summary 1.4.1 REGRESSION: BasicStroke Dashes don't show when scale * line width = 1.0
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* @run main/othervm -Dsun.java2d.uiScale=1 DashScaleMinWidth
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*/
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public final class DashScaleMinWidth {
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public static void main(final String[] args) {
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BufferedImage img = new BufferedImage(200, 40, TYPE_INT_ARGB);
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draw(img);
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validate(img);
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GraphicsConfiguration gc =
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GraphicsEnvironment.getLocalGraphicsEnvironment()
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.getDefaultScreenDevice().getDefaultConfiguration();
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if (gc.getColorModel() instanceof IndexColorModel) {
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System.err.println("Skipping VolatileImage because of IndexColorModel");
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return;
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}
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VolatileImage vi = gc.createCompatibleVolatileImage(200, 40);
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BufferedImage snapshot;
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int attempt = 0;
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while (true) {
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if (++attempt > 10) {
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throw new RuntimeException("Too many attempts: " + attempt);
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}
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vi.validate(gc);
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draw(vi);
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snapshot = vi.getSnapshot();
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if (!vi.contentsLost()) {
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break;
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}
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}
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validate(snapshot);
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}
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private static void draw(final Image img) {
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float[] dashes = {200.0f, 200.0f};
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BasicStroke bs = new BasicStroke(20.0f,
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BasicStroke.CAP_BUTT,
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BasicStroke.JOIN_MITER,
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1.0f,
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dashes,
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0.0f);
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Graphics2D g = (Graphics2D) img.getGraphics();
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g.setColor(Color.WHITE);
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g.fillRect(0, 0, 200, 40);
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Line2D line = new Line2D.Double(400, 400, 3600, 400);
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g.setColor(Color.BLACK);
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g.scale(0.05, 0.05);
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g.setStroke(bs);
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g.draw(line);
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g.dispose();
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}
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private static void validate(final BufferedImage img) {
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int white = Color.white.getRGB();
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int point = img.getRGB(35, 20); // point in the gap
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if (point != white) {
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throw new RuntimeException("Line should be dashed");
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}
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}
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}
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