| /* |
| * 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. |
| */ |
| |
| import java.awt.AlphaComposite; |
| import java.awt.Color; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.Image; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.VolatileImage; |
| import java.io.File; |
| import java.io.IOException; |
| |
| import javax.imageio.ImageIO; |
| |
| import static java.awt.Transparency.TRANSLUCENT; |
| import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR; |
| import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR_PRE; |
| import static java.awt.image.BufferedImage.TYPE_INT_ARGB; |
| import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE; |
| |
| /** |
| * @test |
| * @bug 8017626 |
| * @summary Tests drawing transparent volatile image to transparent BI. |
| * Results of the blit compatibleImage to transparent BI used for |
| * comparison. |
| * @author Sergey Bylokhov |
| */ |
| public final class IncorrectAlphaSurface2SW { |
| |
| private static final int[] SCALES = {1, 2, 4, 8}; |
| private static final int[] SIZES = {1, 2, 3, 127, 128, 254, 255, 256}; |
| private static final int[] dstTypes = {TYPE_INT_ARGB, TYPE_INT_ARGB_PRE, |
| TYPE_4BYTE_ABGR, TYPE_4BYTE_ABGR_PRE}; |
| private static final int[] srcTypes = {TRANSLUCENT}; |
| |
| |
| public static void main(final String[] args) throws IOException { |
| GraphicsEnvironment ge = GraphicsEnvironment |
| .getLocalGraphicsEnvironment(); |
| GraphicsConfiguration gc = ge.getDefaultScreenDevice() |
| .getDefaultConfiguration(); |
| BufferedImage destVI; |
| BufferedImage destBI; |
| BufferedImage sourceBI; |
| VolatileImage sourceVI; |
| |
| for (final int s : SIZES) { |
| for (final int srcType : srcTypes) { |
| for (final int dstType : dstTypes) { |
| for (final int scale : SCALES) { |
| int sw = s * scale; |
| destVI = new BufferedImage(sw, sw, dstType); |
| destBI = new BufferedImage(sw, sw, dstType); |
| sourceBI = gc.createCompatibleImage(sw, sw, srcType); |
| sourceVI = gc.createCompatibleVolatileImage(s, s, srcType); |
| |
| // draw to dest BI using compatible image |
| fill(sourceBI, s); |
| Graphics2D big = destBI.createGraphics(); |
| big.setComposite(AlphaComposite.Src); |
| big.drawImage(sourceBI, 0, 0, sw, sw, null); |
| big.dispose(); |
| |
| // draw to dest BI using compatible image |
| fill(sourceVI, s); |
| drawVItoBI(gc, destVI, sourceVI); |
| |
| validate(destVI, destBI); |
| sourceVI.flush(); |
| } |
| } |
| } |
| } |
| System.out.println("Test PASSED"); |
| } |
| |
| private static void drawVItoBI(GraphicsConfiguration gc, |
| BufferedImage bi, VolatileImage vi) { |
| while (true) { |
| vi.validate(gc); |
| fill(vi, vi.getHeight()); |
| if (vi.validate(gc) != VolatileImage.IMAGE_OK) { |
| try { |
| Thread.sleep(100); |
| } catch (final InterruptedException ignored) { |
| } |
| continue; |
| } |
| |
| Graphics2D big = bi.createGraphics(); |
| big.setComposite(AlphaComposite.Src); |
| big.drawImage(vi, 0, 0, bi.getWidth(), bi.getHeight(), null); |
| big.dispose(); |
| |
| if (vi.contentsLost()) { |
| try { |
| Thread.sleep(100); |
| } catch (final InterruptedException ignored) { |
| } |
| continue; |
| } |
| break; |
| } |
| } |
| |
| private static void validate(BufferedImage bi, BufferedImage gold) |
| throws IOException { |
| for (int x = 0; x < bi.getWidth(); ++x) { |
| for (int y = 0; y < bi.getHeight(); ++y) { |
| if (gold.getRGB(x, y) != bi.getRGB(x, y)) { |
| System.err.println("Expected color = " + gold.getRGB(x, y)); |
| System.err.println("Actual color = " + bi.getRGB(x, y)); |
| ImageIO.write(gold, "png", new File("gold.png")); |
| ImageIO.write(bi, "png", new File("bi.png")); |
| throw new RuntimeException("Test failed."); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Fills the whole image using different alpha for each row. |
| * |
| * @param image to fill |
| */ |
| private static void fill(final Image image, final int size) { |
| Graphics2D graphics = (Graphics2D) image.getGraphics(); |
| graphics.setComposite(AlphaComposite.Src); |
| graphics.setColor(Color.GREEN); |
| graphics.fillRect(0, 0, image.getWidth(null), image.getHeight(null)); |
| int row = image.getHeight(null) / size; |
| for (int i = 0; i < size; ++i) { |
| graphics.setColor(new Color(23, 127, 189, i)); |
| graphics.fillRect(0, i * row, image.getWidth(null), row); |
| } |
| graphics.dispose(); |
| } |
| } |