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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javafx.embed.swing;
27
28 import java.awt.image.BufferedImage;
29 import java.util.concurrent.CountDownLatch;
30 import java.util.concurrent.TimeUnit;
31 import javafx.application.Application;
32 import javafx.application.Platform;
33 import javafx.scene.image.Image;
34 import javafx.scene.image.PixelFormat;
35 import javafx.scene.image.PixelReader;
36 import javafx.stage.Stage;
37 import junit.framework.AssertionFailedError;
38 import org.junit.AfterClass;
39 import static org.junit.Assert.assertEquals;
40 import static org.junit.Assert.assertNotNull;
41 import static org.junit.Assert.assertTrue;
42 import org.junit.BeforeClass;
43 import org.junit.Test;
44
45 public class SwingFXUtilsTest {
46 static final boolean verbose = false;
47
48 // Used to launch the application before running any test
49 private static final CountDownLatch launchLatch = new CountDownLatch(1);
50
51 // Application class. An instance is created and initialized before running
52 // the first test, and it lives through the execution of all tests.
53 public static class MyApp extends Application {
54 @Override
55 public void start(Stage primaryStage) throws Exception {
56 Platform.setImplicitExit(false);
57 assertTrue(Platform.isFxApplicationThread());
58 assertNotNull(primaryStage);
59
60 launchLatch.countDown();
61 }
62 }
63
64 @BeforeClass
65 public static void doSetupOnce() {
66 // Start the Application
67 new Thread(() -> Application.launch(MyApp.class, (String[]) null)).start();
68
69 try {
70 if (!launchLatch.await(5000, TimeUnit.MILLISECONDS)) {
71 throw new AssertionFailedError("Timeout waiting for Application to launch");
72 }
73 } catch (InterruptedException ex) {
74 AssertionFailedError err = new AssertionFailedError("Unexpected exception");
75 err.initCause(ex);
76 throw err;
77 }
78
79 assertEquals(0, launchLatch.getCount());
80 }
81
82 @AfterClass
83 public static void doTeardownOnce() {
84 Platform.exit();
85 }
86
87 @Test
88 public void testFromFXImg() {
89 testFromFXImg("alpha.png");
90 testFromFXImg("opaque.gif");
91 testFromFXImg("opaque.jpg");
92 testFromFXImg("opaque.png");
93 testFromFXImg("trans.gif");
94 }
95
96 static void testFromFXImg(String imgfilename) {
97 Image img = new Image("javafx/embed/swing/"+imgfilename);
98 boolean rgbrequired = (img.getPixelReader().getPixelFormat().getType() == PixelFormat.Type.BYTE_RGB);
99 BufferedImage bimg = SwingFXUtils.fromFXImage(img, null);
100 checkBimg(img, bimg);
101 boolean reusesitself = reusesBimg(img, bimg, true);
102 boolean reusesxrgb = reusesBimg(img, BufferedImage.TYPE_INT_RGB, rgbrequired);
103 boolean reusesargb = reusesBimg(img, BufferedImage.TYPE_INT_ARGB, true);
104 boolean reusesargbpre = reusesBimg(img, BufferedImage.TYPE_INT_ARGB_PRE, true);
105 if (verbose) {
106 System.out.println(imgfilename+" type = "+img.getPixelReader().getPixelFormat());
107 System.out.println(imgfilename+" bimg type = "+bimg.getType());
108 System.out.println(imgfilename+" reuses own bimg = "+reusesitself);
109 System.out.println(imgfilename+" reuses rgb bimg = "+reusesxrgb);
110 System.out.println(imgfilename+" reuses argb bimg = "+reusesargb);
111 System.out.println(imgfilename+" reuses argb pre bimg = "+reusesargbpre);
112 System.out.println();
113 }
114 }
115
116 static boolean reusesBimg(Image img, int type, boolean required) {
117 int iw = (int) img.getWidth();
118 int ih = (int) img.getHeight();
119 BufferedImage bimg = new BufferedImage(iw, ih, type);
120 return reusesBimg(img, bimg, required);
121 }
122
123 static boolean reusesBimg(Image img, BufferedImage bimg, boolean required) {
124 BufferedImage ret = SwingFXUtils.fromFXImage(img, bimg);
125 checkBimg(img, ret);
126 if (required) {
127 assertTrue(bimg == ret);
128 }
129 return (bimg == ret);
130 }
131
132 static void checkBimg(Image img, BufferedImage bimg) {
133 PixelReader pr = img.getPixelReader();
134 int iw = (int) img.getWidth();
135 int ih = (int) img.getHeight();
136 for (int y = 0; y < ih; y++) {
137 for (int x = 0; x < iw; x++) {
138 int imgargb = pr.getArgb(x, y);
139 int bimgargb = bimg.getRGB(x, y);
140 if (imgargb != bimgargb) {
141 System.err.println(">>>> wrong color in bimg: "+hex(bimgargb)+
142 " at "+x+", "+y+
143 " should be: "+hex(imgargb));
144 assertEquals(imgargb, bimgargb);
145 }
146 }
147 }
148 }
149
150 static String hex(int i) {
151 return String.format("0x%08x", i);
152 }
153 }