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 8151787 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@200pct.png", Color.BLUE, Color.GREEN), 59 new ImageInfo("splash2", "splash2@2x", Color.WHITE, Color.BLACK), 60 new ImageInfo("splash3.", "splash3@200pct.", 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 Robot robot = new Robot(); 100 Color splashScreenColor = robot.getPixelColor(screenX, screenY); 101 102 float scaleFactor = getScaleFactor(); 103 Color testColor = (1 < scaleFactor) ? test.color2x : test.color1x; 104 if (!compare(testColor, splashScreenColor)) { 105 throw new RuntimeException( 106 "Image with wrong resolution is used for splash screen!"); 107 } 108 } 109 110 static int doExec(Map<String, String> envToSet, String... cmds) { 111 Process p = null; 112 ProcessBuilder pb = new ProcessBuilder(cmds); 113 Map<String, String> env = pb.environment(); 114 for (String cmd : cmds) { 115 System.out.print(cmd + " "); 116 } 117 System.out.println(); 118 if (envToSet != null) { 119 env.putAll(envToSet); 120 } 121 BufferedReader rdr = null; 122 try { 123 List<String> outputList = new ArrayList<>(); 124 pb.redirectErrorStream(true); 125 p = pb.start(); 126 rdr = new BufferedReader(new InputStreamReader(p.getInputStream())); 127 String in = rdr.readLine(); 128 while (in != null) { 129 outputList.add(in); 130 in = rdr.readLine(); 131 System.out.println(in); 132 } 133 p.waitFor(); 134 p.destroy(); 135 } catch (Exception ex) { 136 ex.printStackTrace(); 137 } 138 return p.exitValue(); 139 } 140 141 static void testFocus() throws Exception { 142 143 System.out.println("Focus Test!"); 144 Robot robot = new Robot(); 145 robot.setAutoDelay(50); 146 Frame frame = new Frame(); 147 frame.setSize(100, 100); 148 String test = "123"; 149 TextField textField = new TextField(test); 150 textField.selectAll(); 151 frame.add(textField); 152 frame.setVisible(true); 153 robot.waitForIdle(); 154 155 robot.keyPress(KeyEvent.VK_A); 156 robot.keyRelease(KeyEvent.VK_A); 157 robot.keyPress(KeyEvent.VK_B); 158 robot.keyRelease(KeyEvent.VK_B); 159 robot.waitForIdle(); 160 161 frame.dispose(); 162 if (!textField.getText().equals("ab")) { 163 throw new RuntimeException("Focus is lost!"); 164 } 165 } 166 167 static boolean compare(Color c1, Color c2) { 168 return compare(c1.getRed(), c2.getRed()) 169 && compare(c1.getGreen(), c2.getGreen()) 170 && compare(c1.getBlue(), c2.getBlue()); 171 } 172 173 static boolean compare(int n, int m) { 174 return Math.abs(n - m) <= 50; 175 } 176 177 static float getScaleFactor() { 178 179 final Dialog dialog = new Dialog((Window) null); 180 dialog.setSize(100, 100); 181 dialog.setModal(true); 182 float[] scaleFactors = new float[1]; 183 Panel panel = new Panel() { 184 185 @Override 186 public void paint(Graphics g) { 187 String scaleStr = System.getenv("GDK_SCALE"); 188 if (scaleStr != null && !scaleStr.equals("")) { 189 try { 190 scaleFactors[0] = Float.valueOf(scaleStr); 191 } catch (NumberFormatException ex) { 192 scaleFactors[0] = 1.0f; 193 } 194 } 195 dialog.setVisible(false); 196 } 197 }; 198 dialog.add(panel); 199 dialog.setVisible(true); 200 dialog.dispose(); 201 return scaleFactors[0]; 202 } 203 204 static void generateImages() throws Exception { 205 for (ImageInfo test : tests) { 206 generateImage(test.name1x, test.color1x, 1); 207 generateImage(test.name2x, test.color2x, 2); 208 } 209 } 210 211 static void generateImage(String name, Color color, int scale) throws Exception { 212 File file = new File(name); 213 if (file.exists()) { 214 return; 215 } 216 BufferedImage image = new BufferedImage(scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT, 217 BufferedImage.TYPE_INT_RGB); 218 Graphics g = image.getGraphics(); 219 g.setColor(color); 220 g.fillRect(0, 0, scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT); 221 ImageIO.write(image, "png", file); 222 } 223 224 static class ImageInfo { 225 226 final String name1x; 227 final String name2x; 228 final Color color1x; 229 final Color color2x; 230 231 public ImageInfo(String name1x, String name2x, Color color1x, Color color2x) { 232 this.name1x = name1x; 233 this.name2x = name2x; 234 this.color1x = color1x; 235 this.color2x = color2x; 236 } 237 } 238 } 239