1 /*

     2  * Copyright (c) 2018, 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 /**

    25  * @test

    26  * @key headful

    27  * @bug 8195095

    28  * @summary Tests if Images are scaled correctly in JEditorPane.

    29  * @run main ImageViewTest

    30  */

    31 import java.awt.Robot;

    32 import java.awt.Point;

    33 import java.awt.Color;

    34 import java.awt.Insets;

    35 

    36 import javax.swing.JEditorPane;

    37 import javax.swing.SwingUtilities;

    38 import javax.swing.JFrame;

    39 import javax.swing.WindowConstants;

    40 

    41 public class ImageViewTest {

    42 

    43     private static final int WIDTH = 200;

    44     private static final int HEIGHT = 200;

    45     private static JFrame f;

    46 

    47     private static JEditorPane editorPane1;

    48     private static JEditorPane editorPane2;

    49     private static JEditorPane editorPane3;

    50     private static JEditorPane editorPane4;

    51 

    52     private static void test(Robot r, JEditorPane editorPane)  throws Exception {

    53 

    54         SwingUtilities.invokeAndWait(() -> {

    55             f = new JFrame();

    56             editorPane.setEditable(false);

    57             f.add(editorPane);

    58             f.setSize(220,240);

    59             f.setLocationRelativeTo(null);

    60 

    61             f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    62             f.setVisible(true);

    63         });

    64 

    65         r.waitForIdle();

    66         r.delay(500);

    67 

    68         SwingUtilities.invokeAndWait(() -> {

    69             Insets insets = editorPane.getInsets();

    70             Point loc = editorPane.getLocationOnScreen();

    71 

    72             final Color blue = Color.BLUE;

    73             final int offset = 10;

    74 

    75             Color center = r.getPixelColor(loc.x + insets.left + WIDTH / 2,

    76                                             loc.y + insets.top + HEIGHT / 2);

    77             Color left = r.getPixelColor(loc.x + insets.left + offset,

    78                                             loc.y + insets.top + HEIGHT / 2);

    79             Color right = r.getPixelColor(loc.x + insets.left + WIDTH - offset,

    80                                             loc.y + insets.top + HEIGHT / 2);

    81             Color bottom = r.getPixelColor(loc.x + insets.left + WIDTH / 2,

    82                                             loc.y + insets.top + HEIGHT - offset);

    83             Color top = r.getPixelColor(loc.x + insets.left + WIDTH / 2,

    84                                             loc.y + insets.top + offset);

    85 

    86             f.dispose();

    87 

    88             System.out.println("center color: " + center);

    89             System.out.println("left color: " + left);

    90             System.out.println("right color: " + right);

    91             System.out.println("bottom color: " + bottom);

    92             System.out.println("top color: " + top);

    93             System.out.println();

    94 

    95             if (!(blue.equals(center) && blue.equals(left) && blue.equals(right) &&

    96                     blue.equals(top) && blue.equals(bottom))) {

    97                 throw new RuntimeException("Test failed: Image not scaled correctly");

    98             }

    99         });

   100 

   101         r.waitForIdle();

   102     }

   103 

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

   105 

   106         final String ABSOLUTE_FILE_PATH = ImageViewTest.class.getResource("circle.png").getPath();

   107 

   108         System.out.println(ABSOLUTE_FILE_PATH);

   109 

   110         Robot r = new Robot();

   111 

   112         SwingUtilities.invokeAndWait(() -> {

   113             editorPane1 = new JEditorPane("text/html",

   114                     "<img height=\"200\" src=\"file:///" + ABSOLUTE_FILE_PATH + "\"");

   115 

   116             editorPane2 = new JEditorPane("text/html",

   117                     "<img width=\"200\" src=\"file:///" + ABSOLUTE_FILE_PATH + "\"");

   118 

   119             editorPane3 = new JEditorPane("text/html",

   120                     "<img width=\"200\" height=\"200\" src=\"file:///" + ABSOLUTE_FILE_PATH + "\"");

   121 

   122             editorPane4 = new JEditorPane("text/html",

   123                     "<img src=\"file:///" + ABSOLUTE_FILE_PATH + "\"");

   124 

   125         });

   126 

   127         r.waitForIdle();

   128 

   129         System.out.println("Test with only height set to 200");

   130         test(r, editorPane1);

   131 

   132         System.out.println("Test with only width set to 200");

   133         test(r, editorPane2);

   134 

   135         System.out.println("Test with none of them set");

   136         test(r, editorPane3);

   137 

   138         System.out.println("Test with both of them set to 200");

   139         test(r, editorPane4);

   140 

   141         System.out.println("Test Passed.");

   142     }

   143 }