1/*
2 * Copyright (c) 2016, 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 * @key headful
27 * @bug 8150724 8151303
28 * @author a.stepanov
29 * @summary Check that correct resolution variants are chosen for icons
30 *          when multiresolution image is used for their construction.
31 *
32 * @library ../../../../lib/testlibrary/
33 * @build ExtendedRobot
34 * @run main/othervm/timeout=240 -Dsun.java2d.uiScale=1 MultiresolutionIconTest
35 * @run main/othervm/timeout=240 -Dsun.java2d.uiScale=2 MultiresolutionIconTest
36 */
37
38
39// TODO: please remove the "@requires" tag after 8151303 fix
40
41
42import java.awt.*;
43import java.awt.event.InputEvent;
44import java.awt.image.BaseMultiResolutionImage;
45import java.awt.image.BufferedImage;
46import javax.swing.*;
47
48public class MultiresolutionIconTest extends JFrame {
49
50    private final static int SZ = 100;
51    private final static int N = 5; // number of components
52
53    private final static String SCALE = "sun.java2d.uiScale";
54    private final static Color C1X = Color.RED;
55    private final static Color C2X = Color.BLUE;
56
57    private JLabel lbl;
58    private JTabbedPane tabbedPane;
59
60    private final ExtendedRobot r;
61
62    private static BufferedImage generateImage(int sz, Color c) {
63
64        BufferedImage img = new BufferedImage(sz, sz, BufferedImage.TYPE_INT_RGB);
65        Graphics g = img.getGraphics();
66        g.setColor(c);
67        g.fillRect(0, 0, sz, sz);
68        return img;
69    }
70
71    public MultiresolutionIconTest(UIManager.LookAndFeelInfo lf) throws Exception {
72
73        UIManager.setLookAndFeel(lf.getClassName());
74        r = new ExtendedRobot();
75        SwingUtilities.invokeAndWait(this::UI);
76    }
77
78    private void UI() {
79
80        setUndecorated(true);
81
82        BufferedImage img1x = generateImage(SZ / 2, C1X);
83        BufferedImage img2x = generateImage(SZ, C2X);
84        BaseMultiResolutionImage mri = new BaseMultiResolutionImage(
85            new BufferedImage[]{img1x, img2x});
86        Icon icon = new ImageIcon(mri);
87
88        // hardcoded icon size for OS X (Mac OS X L&F) - see JDK-8151060
89        BufferedImage tab1x = generateImage(16, C1X);
90        BufferedImage tab2x = generateImage(32, C2X);
91        BaseMultiResolutionImage tabMRI = new BaseMultiResolutionImage(
92            new BufferedImage[]{tab1x, tab2x});
93        Icon tabIcon = new ImageIcon(tabMRI);
94
95        setSize((N + 1) * SZ, SZ);
96        setLocation(50, 50);
97
98        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
99        getContentPane().setLayout(new GridLayout(1, 1));
100
101        JPanel p = new JPanel();
102        p.setLayout(new GridLayout(1, N));
103
104        JButton btn = new JButton(icon);
105        p.add(btn);
106
107        JToggleButton tbn = new JToggleButton(icon);
108        p.add(tbn);
109
110        JRadioButton rbn = new JRadioButton(icon);
111        rbn.setHorizontalAlignment(SwingConstants.CENTER);
112        p.add(rbn);
113
114        JCheckBox cbx = new JCheckBox(icon);
115        cbx.setHorizontalAlignment(SwingConstants.CENTER);
116        p.add(cbx);
117
118        lbl = new JLabel(icon);
119        p.add(lbl);
120
121        tabbedPane = new JTabbedPane(JTabbedPane.LEFT);
122        tabbedPane.addTab("", tabIcon, p);
123        getContentPane().add(tabbedPane);
124
125        setResizable(false);
126        setVisible(true);
127    }
128
129    private boolean checkPressedColor(int x, int y, Color ok) {
130
131        r.mouseMove(x, y);
132        r.waitForIdle();
133        r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
134        r.waitForIdle(100);
135        Color c = r.getPixelColor(x, y);
136        r.waitForIdle(100);
137        r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
138        r.waitForIdle(100);
139        if (!c.equals(ok)) { return false; }
140        // check the icon's color hasn't changed
141        // after the mouse was released
142        c = r.getPixelColor(x, y);
143        return c.equals(ok);
144    }
145
146    private boolean checkTabIcon(
147        int xStart, int xEnd, int yStart, int yEnd, Color ok, Color nok) {
148
149        for (int y = yStart; y < yEnd; y += 2) {
150            for (int x = xStart; x < xEnd; x += 2) {
151                Color c = r.getPixelColor(x, y);
152                if (c.equals(nok)) { return false; }
153                else if (c.equals(ok)) {
154                    // shift a bit to avoid the selection effects
155                    return checkPressedColor(x + 5, y + 5, ok);
156                }
157            }
158        }
159
160        return false; // didn't find the icon
161    }
162
163
164    private void doTest() {
165
166        r.waitForIdle(2000);
167        String scale = System.getProperty(SCALE);
168        boolean is2x = "2".equals(scale);
169        Color expected = is2x ? C2X : C1X;
170        Color unexpected = is2x ? C1X : C2X;
171
172        Point p = lbl.getLocationOnScreen();
173        int x = p.x + lbl.getWidth() / 2;
174        int y = p.y + lbl.getHeight() / 2;
175        int w = lbl.getWidth();
176
177        boolean ok = true, curr;
178        Color c;
179        String components[] = new String[]{
180            "JLabel", "JCheckBox", "JRadioButton", "JToggleButton", "JButton"};
181        for (int i = 0; i < N; i++) {
182
183            curr = true;
184            int t = x - i * w;
185
186            // check icon color
187            c = r.getPixelColor(t, y);
188            System.out.print(components[i] + " icon: ");
189            if (!c.equals(expected)) {
190                curr = false;
191            } else {
192                // check icon color when mouse button pressed - see JDK-8151303
193                curr = checkPressedColor(t, y, expected);
194            }
195
196            System.out.println(curr ? "ok" : "nok");
197            ok = ok && curr;
198
199            r.waitForIdle();
200        }
201
202        int x0 = tabbedPane.getLocationOnScreen().x;
203        int x1 = x - ((N - 1) * w + w / 2);
204        int y0 = getLocationOnScreen().y;
205        int y1 = y0 + getHeight();
206        curr = checkTabIcon(x0, x1, y0, y1, expected, unexpected);
207
208        System.out.println("JTabbedPane icon: " + (curr ? "ok" : "nok"));
209        ok = ok && curr;
210
211        if (!ok) { throw new RuntimeException("test failed"); }
212
213        r.waitForIdle();
214        dispose();
215    }
216
217    public static void main(String[] args) throws Exception {
218
219        for (UIManager.LookAndFeelInfo LF: UIManager.getInstalledLookAndFeels()) {
220            System.out.println("\nL&F: " + LF.getName());
221            (new MultiresolutionIconTest(LF)).doTest();
222        }
223    }
224}
225