MultiresolutionIconTest.java revision 14041:818f74ccccf9 
1/*
2 * Copyright (c) 2016, 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 * @bug 8150724 8151303
27 * @author a.stepanov
28 * @summary Check that correct resolution variants are chosen for icons
29 *          when multiresolution image is used for their construction.
30 *
31 * @library ../../../../lib/testlibrary/
32 * @build ExtendedRobot
33 * @run main/othervm/timeout=240 -Dsun.java2d.uiScale=1 MultiresolutionIconTest
34 * @run main/othervm/timeout=240 -Dsun.java2d.uiScale=2 MultiresolutionIconTest
35 */
36
37
38// TODO: please remove the "@requires" tag after 8151303 fix
39
40
41import java.awt.*;
42import java.awt.event.InputEvent;
43import java.awt.image.BaseMultiResolutionImage;
44import java.awt.image.BufferedImage;
45import javax.swing.*;
46
47public class MultiresolutionIconTest extends JFrame {
48
49    private final static int SZ = 100;
50    private final static int N = 5; // number of components
51
52    private final static String SCALE = "sun.java2d.uiScale";
53    private final static Color C1X = Color.RED;
54    private final static Color C2X = Color.BLUE;
55
56    private JLabel lbl;
57    private JTabbedPane tabbedPane;
58
59    private final ExtendedRobot r;
60
61    private static BufferedImage generateImage(int sz, Color c) {
62
63        BufferedImage img = new BufferedImage(sz, sz, BufferedImage.TYPE_INT_RGB);
64        Graphics g = img.getGraphics();
65        g.setColor(c);
66        g.fillRect(0, 0, sz, sz);
67        return img;
68    }
69
70    public MultiresolutionIconTest(UIManager.LookAndFeelInfo lf) throws Exception {
71
72        UIManager.setLookAndFeel(lf.getClassName());
73        r = new ExtendedRobot();
74        SwingUtilities.invokeAndWait(this::UI);
75    }
76
77    private void UI() {
78
79        setUndecorated(true);
80
81        BufferedImage img1x = generateImage(SZ / 2, C1X);
82        BufferedImage img2x = generateImage(SZ, C2X);
83        BaseMultiResolutionImage mri = new BaseMultiResolutionImage(
84            new BufferedImage[]{img1x, img2x});
85        Icon icon = new ImageIcon(mri);
86
87        // hardcoded icon size for OS X (Mac OS X L&F) - see JDK-8151060
88        BufferedImage tab1x = generateImage(16, C1X);
89        BufferedImage tab2x = generateImage(32, C2X);
90        BaseMultiResolutionImage tabMRI = new BaseMultiResolutionImage(
91            new BufferedImage[]{tab1x, tab2x});
92        Icon tabIcon = new ImageIcon(tabMRI);
93
94        setSize((N + 1) * SZ, SZ);
95        setLocation(50, 50);
96
97        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
98        getContentPane().setLayout(new GridLayout(1, 1));
99
100        JPanel p = new JPanel();
101        p.setLayout(new GridLayout(1, N));
102
103        JButton btn = new JButton(icon);
104        p.add(btn);
105
106        JToggleButton tbn = new JToggleButton(icon);
107        p.add(tbn);
108
109        JRadioButton rbn = new JRadioButton(icon);
110        rbn.setHorizontalAlignment(SwingConstants.CENTER);
111        p.add(rbn);
112
113        JCheckBox cbx = new JCheckBox(icon);
114        cbx.setHorizontalAlignment(SwingConstants.CENTER);
115        p.add(cbx);
116
117        lbl = new JLabel(icon);
118        p.add(lbl);
119
120        tabbedPane = new JTabbedPane(JTabbedPane.LEFT);
121        tabbedPane.addTab("", tabIcon, p);
122        getContentPane().add(tabbedPane);
123
124        setResizable(false);
125        setVisible(true);
126    }
127
128    private boolean checkPressedColor(int x, int y, Color ok) {
129
130        r.mouseMove(x, y);
131        r.waitForIdle();
132        r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
133        r.waitForIdle(100);
134        Color c = r.getPixelColor(x, y);
135        r.waitForIdle(100);
136        r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
137        r.waitForIdle(100);
138        if (!c.equals(ok)) { return false; }
139        // check the icon's color hasn't changed
140        // after the mouse was released
141        c = r.getPixelColor(x, y);
142        return c.equals(ok);
143    }
144
145    private boolean checkTabIcon(
146        int xStart, int xEnd, int yStart, int yEnd, Color ok, Color nok) {
147
148        for (int y = yStart; y < yEnd; y += 2) {
149            for (int x = xStart; x < xEnd; x += 2) {
150                Color c = r.getPixelColor(x, y);
151                if (c.equals(nok)) { return false; }
152                else if (c.equals(ok)) {
153                    // shift a bit to avoid the selection effects
154                    return checkPressedColor(x + 5, y + 5, ok);
155                }
156            }
157        }
158
159        return false; // didn't find the icon
160    }
161
162
163    private void doTest() {
164
165        r.waitForIdle(2000);
166        String scale = System.getProperty(SCALE);
167        boolean is2x = "2".equals(scale);
168        Color expected = is2x ? C2X : C1X;
169        Color unexpected = is2x ? C1X : C2X;
170
171        Point p = lbl.getLocationOnScreen();
172        int x = p.x + lbl.getWidth() / 2;
173        int y = p.y + lbl.getHeight() / 2;
174        int w = lbl.getWidth();
175
176        boolean ok = true, curr;
177        Color c;
178        String components[] = new String[]{
179            "JLabel", "JCheckBox", "JRadioButton", "JToggleButton", "JButton"};
180        for (int i = 0; i < N; i++) {
181
182            curr = true;
183            int t = x - i * w;
184
185            // check icon color
186            c = r.getPixelColor(t, y);
187            System.out.print(components[i] + " icon: ");
188            if (!c.equals(expected)) {
189                curr = false;
190            } else {
191                // check icon color when mouse button pressed - see JDK-8151303
192                curr = checkPressedColor(t, y, expected);
193            }
194
195            System.out.println(curr ? "ok" : "nok");
196            ok = ok && curr;
197
198            r.waitForIdle();
199        }
200
201        int x0 = tabbedPane.getLocationOnScreen().x;
202        int x1 = x - ((N - 1) * w + w / 2);
203        int y0 = getLocationOnScreen().y;
204        int y1 = y0 + getHeight();
205        curr = checkTabIcon(x0, x1, y0, y1, expected, unexpected);
206
207        System.out.println("JTabbedPane icon: " + (curr ? "ok" : "nok"));
208        ok = ok && curr;
209
210        if (!ok) { throw new RuntimeException("test failed"); }
211
212        r.waitForIdle();
213        dispose();
214    }
215
216    public static void main(String[] args) throws Exception {
217
218        for (UIManager.LookAndFeelInfo LF: UIManager.getInstalledLookAndFeels()) {
219            System.out.println("\nL&F: " + LF.getName());
220            (new MultiresolutionIconTest(LF)).doTest();
221        }
222    }
223}
224