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