110 lines
3.6 KiB
Java
110 lines
3.6 KiB
Java
/*
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* Copyright (c) 2014, 2018, 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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/*
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* @test
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* @key headful
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* @bug 8040617 8198613
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* @summary Test verifies that an attempt to get an accelerated copy of
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* a huge buffered image does not result in an OOME.
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*
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* @run main DrawHugeImageTest
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*/
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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.BufferedImage;
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import java.awt.image.VolatileImage;
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public class DrawHugeImageTest {
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// we have to render the BI source several times in order
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// to get an accelerated copy to be used.
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static {
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System.setProperty("sun.java2d.accthreshold", "1");
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}
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private static final int max_rendering_count = 5;
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private static final Color srcColor = Color.red;
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private static final Color dstColor = Color.blue;
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public static void main(String[] args) {
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BufferedImage src = createSrc();
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VolatileImage dst = createDst();
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System.out.println("Dst: " + dst);
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boolean status;
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int count = max_rendering_count;
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do {
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System.out.println("render image: " + (max_rendering_count - count));
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status = render(src, dst);
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} while (status && count-- > 0);
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if (!status || count > 0) {
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throw new RuntimeException("Test failed: " + count);
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}
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}
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private static boolean render(BufferedImage src, VolatileImage dst) {
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int cnt = 5;
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do {
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Graphics2D g = dst.createGraphics();
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g.setColor(dstColor);
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g.fillRect(0, 0, dst.getWidth(), dst.getHeight());
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g.drawImage(src, 0, 0, null);
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g.dispose();
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} while (dst.contentsLost() && (--cnt > 0));
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if (cnt == 0) {
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System.err.println("Test failed: unable to render to volatile destination");
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return false;
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}
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BufferedImage s = dst.getSnapshot();
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return s.getRGB(1,1) == srcColor.getRGB();
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}
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private static BufferedImage createSrc() {
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final int w = 20000;
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final int h = 5;
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BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_3BYTE_BGR);
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Graphics2D g = img.createGraphics();
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g.setColor(srcColor);
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g.fillRect(0, 0, w, h);
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g.dispose();
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return img;
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}
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private static VolatileImage createDst() {
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GraphicsConfiguration gc =
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GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
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return gc.createCompatibleVolatileImage(200, 200);
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}
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}
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