| /* |
| * Copyright (c) 2014, 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; |
| import java.io.File; |
| import java.io.IOException; |
| |
| import javax.imageio.ImageIO; |
| |
| /** |
| * @test |
| * @key headful |
| * @bug 8041129 |
| * @summary Destination offset should be correct in case of Surface->SW blit. |
| * Destination outside of the drawing area should be untouched. |
| * @author Sergey Bylokhov |
| */ |
| public final class IncorrectDestinationOffset { |
| |
| private static final int SIZE = 128; |
| private static final double[] SCALES = {0.25, 0.5, 1, 1.5, 2.0, 4}; |
| |
| public static void main(final String[] args) throws IOException { |
| GraphicsEnvironment ge = GraphicsEnvironment |
| .getLocalGraphicsEnvironment(); |
| GraphicsConfiguration gc = ge.getDefaultScreenDevice() |
| .getDefaultConfiguration(); |
| VolatileImage vi = gc.createCompatibleVolatileImage(SIZE, SIZE); |
| BufferedImage bi = new BufferedImage(SIZE, SIZE, |
| BufferedImage.TYPE_INT_ARGB); |
| for (double scale : SCALES) { |
| while (true) { |
| // initialize Volatile Image |
| vi.validate(gc); |
| Graphics2D g2d = vi.createGraphics(); |
| g2d.setColor(Color.green); |
| g2d.fillRect(0, 0, SIZE, SIZE); |
| g2d.dispose(); |
| |
| if (vi.validate(gc) != VolatileImage.IMAGE_OK) { |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ignored) { |
| } |
| continue; |
| } |
| // Draw the VolatileImage to BI with scale and offsets |
| Graphics2D g = bi.createGraphics(); |
| g.setComposite(AlphaComposite.Src); |
| g.setColor(Color.RED); |
| g.fillRect(0, 0, SIZE / 2, SIZE / 2); |
| g.setColor(Color.BLUE); |
| g.fillRect(SIZE / 2, 0, SIZE / 2, SIZE / 2); |
| g.setColor(Color.ORANGE); |
| g.fillRect(0, SIZE / 2, SIZE / 2, SIZE / 2); |
| g.setColor(Color.MAGENTA); |
| g.fillRect(SIZE / 2, SIZE / 2, SIZE / 2, SIZE / 2); |
| |
| int point2draw = (int) (100 * scale); |
| int size2draw = (int) (SIZE * scale); |
| g.drawImage(vi, point2draw, point2draw, size2draw, size2draw, |
| null); |
| g.dispose(); |
| |
| if (vi.contentsLost()) { |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ignored) { |
| } |
| continue; |
| } |
| validate(bi, point2draw, size2draw); |
| break; |
| } |
| } |
| } |
| |
| private static void validate(BufferedImage bi, int point2draw, |
| int size2draw) |
| throws IOException { |
| for (int x = 0; x < SIZE; ++x) { |
| for (int y = 0; y < SIZE; ++y) { |
| if (isInsideGreenArea(point2draw, size2draw, x, y)) { |
| if (bi.getRGB(x, y) != Color.green.getRGB()) { |
| ImageIO.write(bi, "png", new File("image.png")); |
| throw new RuntimeException("Test failed."); |
| } |
| } else { |
| if (isRedArea(x, y)) { |
| if (bi.getRGB(x, y) != Color.red.getRGB()) { |
| ImageIO.write(bi, "png", new File("image.png")); |
| throw new RuntimeException("Test failed."); |
| } |
| } |
| if (isBlueArea(x, y)) { |
| if (bi.getRGB(x, y) != Color.blue.getRGB()) { |
| ImageIO.write(bi, "png", new File("image.png")); |
| throw new RuntimeException("Test failed."); |
| } |
| } |
| if (isOrangeArea(x, y)) { |
| if (bi.getRGB(x, y) != Color.orange.getRGB()) { |
| ImageIO.write(bi, "png", new File("image.png")); |
| throw new RuntimeException("Test failed."); |
| } |
| } |
| if (isMagentaArea(x, y)) { |
| if (bi.getRGB(x, y) != Color.magenta.getRGB()) { |
| ImageIO.write(bi, "png", new File("image.png")); |
| throw new RuntimeException("Test failed."); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| private static boolean isRedArea(int x, int y) { |
| return x < SIZE / 2 && y < SIZE / 2; |
| } |
| |
| private static boolean isBlueArea(int x, int y) { |
| return x >= SIZE / 2 && y < SIZE / 2; |
| } |
| |
| private static boolean isOrangeArea(int x, int y) { |
| return x < SIZE / 2 && y >= SIZE / 2; |
| } |
| |
| private static boolean isMagentaArea(int x, int y) { |
| return x >= SIZE / 2 && y >= SIZE / 2; |
| } |
| |
| private static boolean isInsideGreenArea(int point2draw, int size2draw, |
| int x, int y) { |
| return x >= point2draw && x < point2draw + size2draw && y >= |
| point2draw && y < point2draw + size2draw; |
| } |
| } |