--- /dev/null 2013-04-08 16:14:53.000000000 +0400 +++ new/test/java/awt/image/DrawImage/IncorrectOffset.java 2013-04-08 16:14:53.379296600 +0400 @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2013, 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.AlphaComposite; +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; + +/** + * @test + * @bug 8000629 + * @summary Temporary backbuffer in the DrawImage should have correct offset. + * @author Sergey Bylokhov + */ +public final class IncorrectOffset { + + private static final int width = 400; + private static final int height = 400; + + public static void main(final String[] args) { + GraphicsEnvironment ge = + GraphicsEnvironment.getLocalGraphicsEnvironment(); + GraphicsConfiguration gc = + ge.getDefaultScreenDevice().getDefaultConfiguration(); + VolatileImage vi = gc.createCompatibleVolatileImage(width, height); + BufferedImage bi = new BufferedImage(width / 4, height / 4, + BufferedImage.TYPE_INT_ARGB); + while (true) { + vi.validate(gc); + Graphics2D g2d = vi.createGraphics(); + g2d.setColor(Color.black); + g2d.fillRect(0, 0, width, height); + g2d.setColor(Color.green); + g2d.fillRect(width / 4, height / 4, width / 2, height / 2); + g2d.dispose(); + + if (vi.validate(gc) != VolatileImage.IMAGE_OK) { + try { + Thread.sleep(100); + } catch (InterruptedException ignored) { + } + continue; + } + + Graphics2D g = bi.createGraphics(); + g.setComposite(AlphaComposite.Src); + // Scale part of VI to BI. Only green area should be copied. + g.drawImage(vi, 0, 0, width / 4, height / 4, width / 4, height / 4, + width / 4 + width / 2, height / 4 + height / 2, null); + g.dispose(); + + if (vi.contentsLost()) { + try { + Thread.sleep(100); + } catch (InterruptedException ignored) { + } + continue; + } + + for (int x = 0; x < width / 4; ++x) { + for (int y = 0; y < height / 4; ++y) { + if (bi.getRGB(x, y) != Color.green.getRGB()) { + throw new RuntimeException("Test failed."); + } + } + } + break; + } + } +}