/*+
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 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.+
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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 *+
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 * This code is free software; you can redistribute it and/or modify it+
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 * under the terms of the GNU General Public License version 2 only, as+
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 * published by the Free Software Foundation.+
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 *+
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 * This code is distributed in the hope that it will be useful, but WITHOUT+
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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 * version 2 for more details (a copy is included in the LICENSE file that+
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 * accompanied this code).+
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 *+
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 * You should have received a copy of the GNU General Public License version+
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 * 2 along with this work; if not, write to the Free Software Foundation,+
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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 *+
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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 * or visit www.oracle.com if you need additional information or have any+
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 * questions.+
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 */+
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+
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/*+
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* @test+
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* @bug     8024343+
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* @summary Test verifies that accelerated pipelines+
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*          correctly draws primitives in XOR mode.+
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* @run main/othervm -Dsun.java2d.xrender=True AcceleratedXORModeTest+
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*/+
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+
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import java.awt.Color;+
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import java.awt.Graphics2D;+
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import java.awt.GraphicsConfiguration;+
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import java.awt.GraphicsEnvironment;+
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import java.awt.image.BufferedImage;+
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import java.awt.image.VolatileImage;+
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import java.io.File;+
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import java.io.IOException;+
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import javax.imageio.ImageIO;+
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+
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public class AcceleratedXORModeTest {+
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    public static void main(String argv[]) {+
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        String fileName = argv.length > 0 ? argv[0] : null;+
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        new AcceleratedXORModeTest(fileName).test();+
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    }+
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+
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    static final Color backColor = Color.red;+
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    static final Color color1 = Color.green;+
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    static final Color color2 = Color.yellow;+
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    static final Color xorColor1 = Color.blue;+
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    static final Color xorColor2 = Color.white;+
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+
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    static final int width = 700, height = 300;+
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+
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    VolatileImage vImg = null;+
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    String fileName;+
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+
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    public AcceleratedXORModeTest(String fileName) {+
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        this.fileName = fileName;+
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    }+
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+
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    void draw(Graphics2D g) {+
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        g.setColor(backColor);+
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        g.fillRect(0, 0, width, height);+
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        g.setXORMode(xorColor1);+
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        drawPattern(g, 100);+
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        g.setXORMode(xorColor2);+
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        drawPattern(g, 400);+
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        g.dispose();+
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    }+
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+
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    void test(BufferedImage bi) {+
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        comparePattern(bi, 150, xorColor1.getRGB());+
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        comparePattern(bi, 450, xorColor2.getRGB());+
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    }+
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+
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    void comparePattern(BufferedImage bi, int startX, int xorColor) {+
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        int[] expectedColors = {+
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            backColor.getRGB() ^ color1.getRGB() ^ xorColor,+
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            backColor.getRGB() ^ color1.getRGB() ^ xorColor ^+
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                color2.getRGB() ^ xorColor,+
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            backColor.getRGB() ^ color2.getRGB() ^ xorColor+
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        };+
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        for (int i = 0; i < 3; i++) {+
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            int x = startX + 100 * i;+
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            int rgb = bi.getRGB(x, 150);+
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            if (rgb != expectedColors[i]) {+
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                String msg = "Colors mismatch: x = " + x ++
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                        ", got " + new Color(rgb) + ", expected " ++
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                        new Color(expectedColors[i]);+
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                System.err.println(msg);+
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                write(bi);+
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                throw new RuntimeException("FAILED: " + msg);+
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            }+
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        }+
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    }+
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+
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    void drawPattern(Graphics2D g, int x) {+
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        g.setColor(color1);+
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        g.fillRect(x, 0, 200, 300);+
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        g.setColor(color2);+
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        g.fillRect(x+100, 0, 200, 300);+
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    }+
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+
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    GraphicsConfiguration getDefaultGC() {+
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        return GraphicsEnvironment.getLocalGraphicsEnvironment().+
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                getDefaultScreenDevice().getDefaultConfiguration();+
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    }+
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+
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    void createVImg() {+
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        if (vImg != null) {+
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            vImg.flush();+
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            vImg = null;+
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        }+
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        vImg = getDefaultGC().createCompatibleVolatileImage(width, height);+
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    }+
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+
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    void write(BufferedImage bi) {+
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        if (fileName != null) {+
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            try {+
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                ImageIO.write(bi, "png", new File(fileName));+
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            } catch (IOException e) {+
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                System.err.println("Can't write image file " + fileName);+
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            }+
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        }+
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    }+
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+
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    void test() {+
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        createVImg();+
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        do {+
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            int valCode = vImg.validate(getDefaultGC());+
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            if (valCode == VolatileImage.IMAGE_INCOMPATIBLE) {+
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                createVImg();+
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            }+
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            Graphics2D g = vImg.createGraphics();+
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            draw(g);+
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            BufferedImage bi = vImg.getSnapshot();+
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            test(bi);+
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            write(bi);+
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        } while (vImg.contentsLost());+
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    }+
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}+
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