| /* |
| * Copyright (c) 2013, 2016, 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 |
| * @key headful |
| * @bug 8000629 |
| * @summary Temporary backbuffer in the DrawImage should not fill background |
| * outside of source image bounds. |
| * @author Sergey Bylokhov |
| */ |
| public final class IncorrectBounds { |
| |
| 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 / 4, |
| height / 4); |
| final BufferedImage bi = new BufferedImage(width, height, |
| BufferedImage.TYPE_INT_ARGB); |
| while (true) { |
| vi.validate(gc); |
| Graphics2D g2d = vi.createGraphics(); |
| g2d.setColor(Color.green); |
| g2d.fillRect(0, 0, width / 4, height / 4); |
| 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); |
| g.setColor(Color.red); |
| g.fillRect(0, 0, width, height); |
| // Use sx and sy outside of VI bounds. |
| g.drawImage(vi, 0, 0, width / 2, height / 2, 0, 0, width * 2, |
| height * 2, null); |
| g.dispose(); |
| |
| if (vi.contentsLost()) { |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ignored) { |
| } |
| continue; |
| } |
| |
| for (int x = 0; x < width; ++x) { |
| for (int y = 0; y < height; ++y) { |
| if (x < width / 16 && y < height / 16) { |
| if (bi.getRGB(x, y) != Color.green.getRGB()) { |
| throw new RuntimeException("Test failed."); |
| } |
| } else { |
| if (bi.getRGB(x, y) != Color.red.getRGB()) { |
| throw new RuntimeException("Test failed."); |
| } |
| } |
| } |
| } |
| break; |
| } |
| } |
| } |