1 /*
2 * Copyright (c) 2015, 2017, 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 import java.awt.BorderLayout;
25 import java.awt.Canvas;
26 import java.awt.Color;
27 import java.awt.Frame;
28 import java.awt.Graphics;
29 import java.awt.Panel;
30 import java.awt.Rectangle;
31 import java.awt.Robot;
32 import java.awt.image.BufferedImage;
33
34 import jdk.testlibrary.OSInfo;
35
36 /* @test
37 * @bug 8073320
38 * @summary Windows HiDPI support
39 * @library ../../../../lib/testlibrary
40 * @build jdk.testlibrary.OSInfo
41 * @run main/othervm HiDPIRobotScreenCaptureTest
42 * @run main/othervm -Dsun.java2d.uiScale=1 HiDPIRobotScreenCaptureTest
43 * @run main/othervm -Dsun.java2d.uiScale=2 HiDPIRobotScreenCaptureTest
44 * @run main/othervm -Dsun.java2d.win.uiScaleX=3 -Dsun.java2d.win.uiScaleY=2
45 * HiDPIRobotScreenCaptureTest
46 * @run main/othervm -Dsun.java2d.win.uiScaleX=2 -Dsun.java2d.win.uiScaleY=3
47 * HiDPIRobotScreenCaptureTest
48 */
49 public class HiDPIRobotScreenCaptureTest {
50
51 private static final Color[] COLORS = {
52 Color.GREEN, Color.BLUE, Color.ORANGE, Color.RED};
53
54 public static void main(String[] args) throws Exception {
55 if (!OSInfo.getOSType().equals(OSInfo.OSType.WINDOWS)
56 && System.getProperty("sun.java2d.win.uiScaleX") != null) {
57 return;
58 }
59
60 Frame frame = new Frame();
61 frame.setBounds(97, 87, 101, 123);
62 frame.setUndecorated(true);
63
64 Panel panel = new Panel(new BorderLayout());
65 Canvas canvas = new Canvas() {
66 @Override
67 public void paint(Graphics g) {
68 super.paint(g);
69 int w = getWidth();
70 int h = getHeight();
71 g.setColor(COLORS[0]);
72 g.fillRect(0, 0, w / 2, h / 2);
73 g.setColor(COLORS[1]);
74 g.fillRect(w / 2, 0, w / 2, h / 2);
75 g.setColor(COLORS[2]);
76 g.fillRect(0, h / 2, w / 2, h / 2);
77 g.setColor(COLORS[3]);
78 g.fillRect(w / 2, h / 2, w / 2, h / 2);
79 }
80 };
81
82 panel.add(canvas);
83 frame.add(panel);
84 frame.setVisible(true);
85 Robot robot = new Robot();
86 robot.waitForIdle();
87 Thread.sleep(200);
88
89 Rectangle rect = canvas.getBounds();
90 rect.setLocation(canvas.getLocationOnScreen());
91
92 BufferedImage image = robot.createScreenCapture(rect);
93 frame.dispose();
94
95 int w = image.getWidth();
96 int h = image.getHeight();
97
98 if (w != frame.getWidth() || h != frame.getHeight()) {
99 throw new RuntimeException("Wrong image size!");
100 }
101
102 if (image.getRGB(w / 4, h / 4) != COLORS[0].getRGB()) {
103 throw new RuntimeException("Wrong image color!");
104 }
105
106 if (image.getRGB(3 * w / 4, h / 4) != COLORS[1].getRGB()) {
107 throw new RuntimeException("Wrong image color!");
108 }
109
110 if (image.getRGB(w / 4, 3 * h / 4) != COLORS[2].getRGB()) {
111 throw new RuntimeException("Wrong image color!");
112 }
113
114 if (image.getRGB(3 * w / 4, 3 * h / 4) != COLORS[3].getRGB()) {
115 throw new RuntimeException("Wrong image color!");
116 }
117 }
118 }