/*

 * 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.*;

import java.awt.MultipleGradientPaint.*;

import java.awt.geom.*;

import java.awt.image.*;

/**

 * @test

 * @bug 8023483

 * @summary tests wether the colorspace-parameter is applied correctly when

 *          creating a gradient.

 * @author ceisserer

 */

public class LinearColorSpaceGradientTest extends Frame {

    BufferedImage srcImg;

    Image dstImg;

    public LinearColorSpaceGradientTest() {

        srcImg = createSrcImage();

        dstImg = getGraphicsConfiguration().createCompatibleVolatileImage(20,

                20);

    }

    protected void renderToVI(BufferedImage src, Image dst) {

        Graphics2D g = (Graphics2D) dst.getGraphics();

        g.setColor(Color.WHITE);

        g.fillRect(0, 0, dst.getWidth(null), dst.getHeight(null));

        AffineTransform at = new AffineTransform();

        g.setPaint(new LinearGradientPaint(new Point2D.Float(0, 0),

                new Point2D.Float(20, 0), new float[] { 0.0f, 1.0f },

                new Color[] { Color.green, Color.blue }, CycleMethod.NO_CYCLE,

                ColorSpaceType.LINEAR_RGB, at));

        g.fillRect(-10, -10, 30, 30);

    }

    public void paint(Graphics g1) {

        Graphics2D g = (Graphics2D) g1;

        renderToVI(createSrcImage(), dstImg);

        g.drawImage(dstImg, 20, 20, null);

    }

    public void showFrame() {

        setSize(500, 500);

        setVisible(true);

    }

    public void test() {

        renderToVI(createSrcImage(), dstImg);

        BufferedImage validationImg = new BufferedImage(20, 20,

                BufferedImage.TYPE_INT_RGB);

        Graphics2D valG = (Graphics2D) validationImg.getGraphics();

        valG.drawImage(dstImg, 0, 0, null);

        int b = validationImg.getRGB(10, 10) & 0x000000FF;

        if (b > 150) {

            System.out.println("Passed!");

        } else {

            throw new RuntimeException("Test FAILED!");

        }

    }

    protected BufferedImage createSrcImage() {

        BufferedImage bi = new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB);

        Graphics2D g = (Graphics2D) bi.getGraphics();

        g.setColor(Color.YELLOW);

        g.fillRect(0, 0, 10, 10);

        g.setColor(Color.black);

        g.drawLine(0, 0, 10, 10);

        return bi;

    }

    public static void main(String[] args) throws Exception {

        boolean show = (args.length > 0 && "-show".equals(args[0]));

        final LinearColorSpaceGradientTest t = new LinearColorSpaceGradientTest();

        if (show) {

            EventQueue.invokeAndWait(new Runnable() {

                public void run() {

                    t.showFrame();

                }

            });

        } else {

            t.test();

        }

    }

}