1 /*

     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 import sun.swing.SwingUtilities2;

    25 

    26 import java.awt.Color;

    27 import java.awt.Graphics2D;

    28 import java.awt.Rectangle;

    29 import java.awt.image.BufferedImage;

    30 import java.io.File;

    31 import java.io.IOException;

    32 

    33 import javax.imageio.ImageIO;

    34 

    35 /**

    36  * @test

    37  * @bug 8032219

    38  * @author Sergey Bylokhov

    39  */

    40 public final class DrawRect {

    41 

    42     private static final int size = 50;

    43 

    44     private static final Rectangle[] rects = {

    45             new Rectangle(0, 0, 1, 1),

    46             new Rectangle(0, 0, 1, 2),

    47             new Rectangle(0, 0, 2, 1),

    48             new Rectangle(10, 10, 10, 10),

    49             new Rectangle(10, 10, -1, -1),

    50             new Rectangle(-1, -1, 10, 10),

    51             new Rectangle(-1, -1, -10, -10),

    52             new Rectangle(0, 0, size, size),

    53     };

    54 

    55     private static final Rectangle[] vlines = {new Rectangle(0, 0, 0, 0),

    56             new Rectangle(0, 0, 0, 1),

    57             new Rectangle(0, 0, 0, -1),

    58             new Rectangle(1, 1, 0, 1),

    59             new Rectangle(1, 1, 0, -1),

    60             new Rectangle(15, 15, 0, 10),

    61             new Rectangle(15, 15, 0, -10),

    62     };

    63     private static final Rectangle[] hlines = {new Rectangle(0, 0, 0, 0),

    64             new Rectangle(0, 0, 1, 0),

    65             new Rectangle(0, 0, -1, 0),

    66             new Rectangle(1, 1, 1, 0),

    67             new Rectangle(1, 1, -1, 0),

    68             new Rectangle(15, 15, 10, 0),

    69             new Rectangle(15, 15, -10, 0),

    70     };

    71 

    72     public static void main(final String[] args) throws IOException {

    73         BufferedImage gold = new BufferedImage(size, size,

    74                                                BufferedImage.TYPE_INT_ARGB);

    75         Graphics2D g = gold.createGraphics();

    76         BufferedImage bi = new BufferedImage(size, size,

    77                                              BufferedImage.TYPE_INT_ARGB);

    78         Graphics2D g2d = bi.createGraphics();

    79         g2d.setColor(new Color(0, 250, 0, 100));

    80         g2d.setBackground(Color.BLACK);

    81         g.setColor(new Color(0, 250, 0, 100));

    82         g.setBackground(Color.BLACK);

    83         // Rectangle

    84         for (final Rectangle r : rects) {

    85             g.clearRect(0, 0, size, size);

    86             g2d.clearRect(0, 0, size, size);

    87             g.drawRect(r.x, r.y, r.width, r.height);

    88             SwingUtilities2.drawRect(g2d, r.x, r.y, r.width, r.height);

    89             test(gold, bi);

    90         }

    91         // Vertical Line

    92         for (final Rectangle l : vlines) {

    93             g.clearRect(0, 0, size, size);

    94             g2d.clearRect(0, 0, size, size);

    95             g.drawLine(l.x, l.y, l.x + l.width, l.y + l.height);

    96             SwingUtilities2.drawVLine(g2d, l.x, l.y, l.y + l.height);

    97             test(gold, bi);

    98         }

    99         // Horizontal Line

   100         for (final Rectangle l : hlines) {

   101             g.clearRect(0, 0, size, size);

   102             g2d.clearRect(0, 0, size, size);

   103             g.drawLine(l.x, l.y, l.x + l.width, l.y + l.height);

   104             SwingUtilities2.drawHLine(g2d, l.x, l.x+l.width, l.y);

   105             test(gold, bi);

   106         }

   107 

   108         g.dispose();

   109         g2d.dispose();

   110     }

   111 

   112     private static void test(final BufferedImage gold, final BufferedImage bi)

   113             throws IOException {

   114         for (int x = 0; x < size; x++) {

   115             for (int y = 0; y < size; y++) {

   116                 if (gold.getRGB(x, y) != bi.getRGB(x, y)) {

   117                     ImageIO.write(gold, "png", new File("gold.png"));

   118                     ImageIO.write(bi, "png", new File("image.png"));

   119                     throw new RuntimeException("wrong color");

   120                 }

   121             }

   122         }

   123     }

   124 }