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 import java.awt.Color; 25 import java.awt.Dialog; 26 import java.awt.Frame; 27 import java.awt.Graphics; 28 import java.awt.Graphics2D; 29 import java.awt.Panel; 30 import java.awt.Rectangle; 31 import java.awt.Robot; 32 import java.awt.SplashScreen; 33 import java.awt.TextField; 34 import java.awt.Window; 35 import java.awt.event.KeyEvent; 36 import java.awt.image.BufferedImage; 37 import java.io.BufferedReader; 38 import java.io.File; 39 import java.io.InputStreamReader; 40 import java.util.ArrayList; 41 import java.util.HashMap; 42 import java.util.List; 43 import java.util.Map; 44 import javax.imageio.ImageIO; 45 46 /** 47 * @test @bug 8145174 48 * @summary HiDPI splash screen support on Linux 49 * @modules java.desktop/sun.java2d 50 * @run main UnixMultiResolutionSplashTest 51 */ 52 public class UnixMultiResolutionSplashTest { 53 54 private static final int IMAGE_WIDTH = 300; 55 private static final int IMAGE_HEIGHT = 200; 56 private static int inx = 0; 57 private static final ImageInfo[] tests = { 58 new ImageInfo("splash1.png", "splash1.java-scale2x.png", Color.BLUE, Color.GREEN), 59 new ImageInfo("splash2", "splash2.java-scale2x", Color.WHITE, Color.BLACK), 60 new ImageInfo("splash3.", "splash3.java-scale2x.", Color.YELLOW, Color.RED) 61 }; 62 63 public static void main(String[] args) throws Exception { 64 65 if (args.length == 0) { 66 generateImages(); 67 for (ImageInfo test : tests) { 68 createChildProcess(test); 69 } 70 } else { 71 int index = Integer.parseInt(args[0]); 72 testSplash(tests[index]); 73 } 74 } 75 76 static void createChildProcess(ImageInfo test) { 77 String javaPath = System.getProperty("java.home"); 78 File file = new File(test.name1x); 79 String classPathDir = System.getProperty("java.class.path"); 80 Map<String, String> env = new HashMap<String, String>(); 81 env.put("GDK_SCALE", "2"); 82 int exitValue = doExec(env, javaPath + File.separator + "bin" + File.separator 83 + "java", "-splash:" + file.getAbsolutePath(), "-cp", 84 classPathDir, "UnixMultiResolutionSplashTest", String.valueOf(inx++)); 85 if (exitValue != 0) { 86 throw new RuntimeException("Test Failed"); 87 } 88 } 89 90 static void testSplash(ImageInfo test) throws Exception { 91 SplashScreen splashScreen = SplashScreen.getSplashScreen(); 92 if (splashScreen == null) { 93 throw new RuntimeException("Splash screen is not shown!"); 94 } 95 Graphics2D g = splashScreen.createGraphics(); 96 Rectangle splashBounds = splashScreen.getBounds(); 97 int screenX = (int) splashBounds.getCenterX(); 98 int screenY = (int) splashBounds.getCenterY(); 99 System.out.println(screenX); 100 System.out.println(screenY); 101 Robot robot = new Robot(); 102 Color splashScreenColor = robot.getPixelColor(screenX, screenY); 103 104 float scaleFactor = getScaleFactor(); 105 Color testColor = (1 < scaleFactor) ? test.color2x : test.color1x; 106 if (!compare(testColor, splashScreenColor)) { 107 throw new RuntimeException( 108 "Image with wrong resolution is used for splash screen!"); 109 } 110 } 111 112 static int doExec(Map<String, String> envToSet, String... cmds) { 113 Process p = null; 114 ProcessBuilder pb = new ProcessBuilder(cmds); 115 Map<String, String> env = pb.environment(); 116 for (String cmd : cmds) { 117 System.out.print(cmd + " "); 118 } 119 System.out.println(); 120 if (envToSet != null) { 121 env.putAll(envToSet); 122 } 123 BufferedReader rdr = null; 124 try { 125 List<String> outputList = new ArrayList<>(); 126 pb.redirectErrorStream(true); 127 p = pb.start(); 128 rdr = new BufferedReader(new InputStreamReader(p.getInputStream())); 129 String in = rdr.readLine(); 130 while (in != null) { 131 outputList.add(in); 132 in = rdr.readLine(); 133 System.out.println(in); 134 } 135 p.waitFor(); 136 p.destroy(); 137 } catch (Exception ex) { 138 ex.printStackTrace(); 139 } 140 return p.exitValue(); 141 } 142 143 static void testFocus() throws Exception { 144 145 System.out.println("Focus Test!"); 146 Robot robot = new Robot(); 147 robot.setAutoDelay(50); 148 Frame frame = new Frame(); 149 frame.setSize(100, 100); 150 String test = "123"; 151 TextField textField = new TextField(test); 152 textField.selectAll(); 153 frame.add(textField); 154 frame.setVisible(true); 155 robot.waitForIdle(); 156 157 robot.keyPress(KeyEvent.VK_A); 158 robot.keyRelease(KeyEvent.VK_A); 159 robot.keyPress(KeyEvent.VK_B); 160 robot.keyRelease(KeyEvent.VK_B); 161 robot.waitForIdle(); 162 163 frame.dispose(); 164 if (!textField.getText().equals("ab")) { 165 throw new RuntimeException("Focus is lost!"); 166 } 167 } 168 169 static boolean compare(Color c1, Color c2) { 170 return compare(c1.getRed(), c2.getRed()) 171 && compare(c1.getGreen(), c2.getGreen()) 172 && compare(c1.getBlue(), c2.getBlue()); 173 } 174 175 static boolean compare(int n, int m) { 176 return Math.abs(n - m) <= 50; 177 } 178 179 static float getScaleFactor() { 180 181 final Dialog dialog = new Dialog((Window) null); 182 dialog.setSize(100, 100); 183 dialog.setModal(true); 184 float[] scaleFactors = new float[1]; 185 Panel panel = new Panel() { 186 187 @Override 188 public void paint(Graphics g) { 189 String scaleStr = System.getenv("GDK_SCALE"); 190 if (scaleStr != null && !scaleStr.equals("")) { 191 try { 192 scaleFactors[0] = Float.valueOf(scaleStr); 193 } catch (NumberFormatException ex) { 194 scaleFactors[0] = 1.0f; 195 } 196 } 197 dialog.setVisible(false); 198 } 199 }; 200 dialog.add(panel); 201 dialog.setVisible(true); 202 dialog.dispose(); 203 return scaleFactors[0]; 204 } 205 206 static void generateImages() throws Exception { 207 for (ImageInfo test : tests) { 208 generateImage(test.name1x, test.color1x, 1); 209 generateImage(test.name2x, test.color2x, 2); 210 } 211 } 212 213 static void generateImage(String name, Color color, int scale) throws Exception { 214 File file = new File(name); 215 if (file.exists()) { 216 return; 217 } 218 BufferedImage image = new BufferedImage(scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT, 219 BufferedImage.TYPE_INT_RGB); 220 Graphics g = image.getGraphics(); 221 g.setColor(color); 222 g.fillRect(0, 0, scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT); 223 ImageIO.write(image, "png", file); 224 } 225 226 static class ImageInfo { 227 228 final String name1x; 229 final String name2x; 230 final Color color1x; 231 final Color color2x; 232 233 public ImageInfo(String name1x, String name2x, Color color1x, Color color2x) { 234 this.name1x = name1x; 235 this.name2x = name2x; 236 this.color1x = color1x; 237 this.color2x = color2x; 238 } 239 } 240 } 241