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 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 import javax.swing.UIManager; 34 35 /* @test 36 * @bug 8073320 37 * @summary Windows HiDPI support 38 * @author Alexander Scherbatiy 39 * @requires (os.family == "windows") 40 * @run main/othervm -Dsun.java2d.win.uiScaleX=3 -Dsun.java2d.win.uiScaleY=2 41 * HiDPIRobotScreenCaptureTest 42 */ 43 public class HiDPIRobotScreenCaptureTest { 44 45 private static final Color[] COLORS = { 46 Color.GREEN, Color.BLUE, Color.ORANGE, Color.RED}; 47 48 public static void main(String[] args) throws Exception { 49 50 try { 51 UIManager.setLookAndFeel( 52 "com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); 53 } catch (Exception e) { 54 return; 55 } 56 57 Frame frame = new Frame(); 58 frame.setBounds(40, 30, 400, 300); 59 frame.setUndecorated(true); 60 61 Panel panel = new Panel(new BorderLayout()); 62 Canvas canvas = new Canvas() { 63 @Override 64 public void paint(Graphics g) { 65 super.paint(g); 66 int w = getWidth(); 67 int h = getHeight(); 68 g.setColor(COLORS[0]); 69 g.fillRect(0, 0, w / 2, h / 2); 70 g.setColor(COLORS[1]); 71 g.fillRect(w / 2, 0, w / 2, h / 2); 72 g.setColor(COLORS[2]); 73 g.fillRect(0, h / 2, w / 2, h / 2); 74 g.setColor(COLORS[3]); 75 g.fillRect(w / 2, h / 2, w / 2, h / 2); 76 } 77 }; 78 79 panel.add(canvas); 80 frame.add(panel); 81 frame.setVisible(true); 82 Robot robot = new Robot(); 83 robot.waitForIdle(); 84 Thread.sleep(200); 85 86 Rectangle rect = canvas.getBounds(); 87 rect.setLocation(canvas.getLocationOnScreen()); 88 89 BufferedImage image = robot.createScreenCapture(rect); 90 frame.dispose(); 91 92 int w = image.getWidth(); 93 int h = image.getHeight(); 94 95 if (w != frame.getWidth() || h != frame.getHeight()) { 96 throw new RuntimeException("Wrong image size!"); 97 } 98 99 if (image.getRGB(w / 4, h / 4) != COLORS[0].getRGB()) { 100 throw new RuntimeException("Wrong image color!"); 101 } 102 103 if (image.getRGB(3 * w / 4, h / 4) != COLORS[1].getRGB()) { 104 throw new RuntimeException("Wrong image color!"); 105 } 106 107 if (image.getRGB(w / 4, 3 * h / 4) != COLORS[2].getRGB()) { 108 throw new RuntimeException("Wrong image color!"); 109 } 110 111 if (image.getRGB(3 * w / 4, 3 * h / 4) != COLORS[3].getRGB()) { 112 throw new RuntimeException("Wrong image color!"); 113 } 114 } 115 }