HiDPIPropertiesUnixTest.java revision 14041:818f74ccccf9 
1/*
2 * Copyright (c) 2015, 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
24import java.awt.Dialog;
25import java.awt.Frame;
26import java.awt.Graphics;
27import java.awt.Graphics2D;
28import java.awt.geom.AffineTransform;
29import javax.swing.UIManager;
30
31/* @test
32 * @bug 8137571
33 * @summary Linux HiDPI Graphics support
34 * @author Alexander Scherbatiy
35 * @requires (os.family == "linux" | os.family == "mac")
36 * @run main/othervm -Dsun.java2d.uiScale.enabled=false
37 *                   -Dsun.java2d.uiScale=2
38 *                    HiDPIPropertiesUnixTest UISCALE_DISABLED
39 * @run main/othervm -Dsun.java2d.uiScale.enabled=true
40 *                   -Dsun.java2d.uiScale=3
41 *                    HiDPIPropertiesUnixTest UISCALE_3
42 * @run main/othervm -Dsun.java2d.uiScale=4
43 *                    HiDPIPropertiesUnixTest UISCALE_4
44 */
45public class HiDPIPropertiesUnixTest {
46
47    public static void main(String[] args) throws Exception {
48
49        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
50
51        String testCase = args[0];
52        switch (testCase) {
53            case "UISCALE_DISABLED":
54                testScale(1.0, 1.0);
55                break;
56            case "UISCALE_3":
57                testScale(3.0, 3.0);
58                break;
59            case "UISCALE_4":
60                testScale(4.0, 4.0);
61                break;
62            default:
63                throw new RuntimeException("Unknown test case: " + testCase);
64        }
65    }
66
67    private static void testScale(double scaleX, double scaleY) {
68
69        Dialog dialog = new Dialog((Frame) null, true) {
70
71            @Override
72            public void paint(Graphics g) {
73                super.paint(g);
74                AffineTransform tx = ((Graphics2D) g).getTransform();
75                dispose();
76                if (scaleX != tx.getScaleX() || scaleY != tx.getScaleY()) {
77                    throw new RuntimeException(String.format("Wrong scale:"
78                            + "[%f, %f] instead of [%f, %f].",
79                            tx.getScaleX(), tx.getScaleY(), scaleX, scaleY));
80                }
81            }
82        };
83        dialog.setSize(200, 300);
84        dialog.setVisible(true);
85    }
86}
87