/*

 * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/* @test

 * @summary verify outline and stroking of underline match.

 * @bug 6751616

 */

import java.awt.*;

import java.awt.font.*;

import java.awt.geom.*;

import java.awt.image.*;

import java.util.*;

public class UnderlinePositionTest {

    public static void main(String[] args) {

        BufferedImage bi =

           new BufferedImage(600, 150, BufferedImage.TYPE_INT_RGB);

       Graphics2D g2d = bi.createGraphics();

       g2d.setColor(Color.white);

       g2d.fillRect(0, 0, 600, 150);

       float x = 10;

       float y = 90;

       Map map = new HashMap();

       map.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);

       map.put(TextAttribute.SIZE, new Float(80));

       FontRenderContext frc = g2d.getFontRenderContext();

       // Use all spaces for the text so we know we are dealing

       // only with pixels from the underline.

       String text = "           ";

       TextLayout tl = new TextLayout(text, map, frc);

       Shape outline = tl.getOutline(null);

       Rectangle2D bounds = outline.getBounds();

       g2d.translate(x, y);

       g2d.setColor(Color.RED);

       tl.draw(g2d, 0, 0);

       /* By getting the outline, then its bounds, then filling

        * according to the same pixelisation rules, this ought to

        * match the position of the original underline. If any

        * red pixels are left, then the test will fail.

        */

       g2d.setColor(Color.BLUE);

       g2d.fill(bounds);

       g2d.dispose();

       checkBI(bi, Color.RED);

   }

   static void checkBI(BufferedImage bi, Color badColor) {

      int badrgb = badColor.getRGB();

      int w = bi.getWidth(null);

      int h = bi.getHeight(null);

      for (int x=0; x<w; x++) {

          for (int y=0; y<h; y++) {

             int col = bi.getRGB(x, y);

             if (col == badrgb) {

                  throw new RuntimeException("Got " + col);

             }

          }

      }

   }

}