/*

 * 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

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 */

/**

 * @test

 * @bug 6996867

 * @summary Render as LCD Text in SrcEa composite mode.

 */

import java.awt.*;

import java.awt.event.*;

import java.awt.image.*;

public class LCDTextSrcEa extends Component {

    static int SZ=150;

    BufferedImage target =

        new BufferedImage(SZ, SZ, BufferedImage.TYPE_INT_RGB);

    public static void main(String args[]) {

        Frame f = new Frame("LCD Text SrcEa Test");

        f.addWindowListener(new WindowAdapter() {

            @Override

            public void windowClosing(WindowEvent e) {

                System.exit(0);

            }

        });

        LCDTextSrcEa td = new LCDTextSrcEa();

        f.add("Center", td);

        f.pack();

        f.setVisible(true);

    }

    public Dimension getPreferredSize() {

        return new Dimension(SZ,SZ);

    }

    public void paint(Graphics gx) {

        Graphics2D g2d = (Graphics2D) target.getGraphics();

        g2d.setColor(Color.white);

        g2d.fillRect(0, 0, getWidth(), getHeight());

        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, 0.01f));

        g2d.setRenderingHint(

                RenderingHints.KEY_TEXT_ANTIALIASING,

                RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VBGR);

        g2d.setRenderingHint(

               RenderingHints.KEY_ANTIALIASING,

               RenderingHints.VALUE_ANTIALIAS_ON);

        g2d.setColor(Color.black);

        g2d.drawString("Some sample text.", 10, 20);

        gx.drawImage(target, 0, 0, null);

        boolean nongrey = false;

        //Test BI: should be some non-greyscale color

        for (int px=0;px<SZ;px++) {

            for (int py=0;py<SZ;py++) {

                int rgb = target.getRGB(px, py);

                int r = (rgb & 0xff0000) >> 16;

                int g = (rgb & 0x00ff00) >> 8;

                int b = (rgb & 0x0000ff);

                if (r != g || r !=b || g != b) {

                     nongrey=true;

                     break;

                }

            }

        }

        if (!nongrey) {

            throw new RuntimeException("No LCD text found");

        }

    }

}