1 /*
   2  * Copyright (c) 2014, 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.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.File;
  38 import javax.imageio.ImageIO;
  39 import sun.java2d.SunGraphics2D;
  40 
  41 /**
  42  * @test
  43  * @bug 8043869 8075244 8078082
  44  * @author Alexander Scherbatiy
  45  * @summary [macosx] java -splash does not honor 2x hi dpi notation for retina
  46  * support
  47  * @modules java.desktop/sun.java2d
  48  * @run main MultiResolutionSplashTest GENERATE_IMAGES
  49  * @run main/othervm -splash:splash1.png MultiResolutionSplashTest TEST_SPLASH 0
  50  * @run main/othervm -splash:splash2 MultiResolutionSplashTest TEST_SPLASH 1
  51  * @run main/othervm -splash:splash3. MultiResolutionSplashTest TEST_SPLASH 2
  52  * @run main/othervm -splash:splash1.png MultiResolutionSplashTest TEST_FOCUS
  53  */
  54 public class MultiResolutionSplashTest {
  55 
  56     private static final int IMAGE_WIDTH = 300;
  57     private static final int IMAGE_HEIGHT = 200;
  58 
  59     private static final ImageInfo[] tests = {
  60         new ImageInfo("splash1.png", "splash1@2x.png", Color.BLUE, Color.GREEN),
  61         new ImageInfo("splash2", "splash2@2x", Color.WHITE, Color.BLACK),
  62         new ImageInfo("splash3.", "splash3@2x.", Color.YELLOW, Color.RED)
  63     };
  64 
  65     public static void main(String[] args) throws Exception {
  66 
  67         String test = args[0];
  68 
  69         switch (test) {
  70             case "GENERATE_IMAGES":
  71                 generateImages();
  72                 break;
  73             case "TEST_SPLASH":
  74                 int index = Integer.parseInt(args[1]);
  75                 testSplash(tests[index]);
  76                 break;
  77             case "TEST_FOCUS":
  78                 testFocus();
  79                 break;
  80             default:
  81                 throw new RuntimeException("Unknown test: " + test);
  82         }
  83     }
  84 
  85     static void testSplash(ImageInfo test) throws Exception {
  86         SplashScreen splashScreen = SplashScreen.getSplashScreen();
  87 
  88         if (splashScreen == null) {
  89             throw new RuntimeException("Splash screen is not shown!");
  90         }
  91 
  92         Graphics2D g = splashScreen.createGraphics();
  93         Rectangle splashBounds = splashScreen.getBounds();
  94         int screenX = (int) splashBounds.getCenterX();
  95         int screenY = (int) splashBounds.getCenterY();
  96 
  97         Robot robot = new Robot();
  98         Color splashScreenColor = robot.getPixelColor(screenX, screenY);
  99 
 100         float scaleFactor = getScaleFactor();
 101         Color testColor = (1 < scaleFactor) ? test.color2x : test.color1x;
 102 
 103         if (!compare(testColor, splashScreenColor)) {
 104             throw new RuntimeException(
 105                     "Image with wrong resolution is used for splash screen!");
 106         }
 107     }
 108 
 109     static void testFocus() throws Exception {
 110 
 111         System.out.println("Focus Test!");
 112         Robot robot = new Robot();
 113         robot.setAutoDelay(50);
 114 
 115         Frame frame = new Frame();
 116         frame.setSize(100, 100);
 117         String test = "123";
 118         TextField textField = new TextField(test);
 119         textField.selectAll();
 120         frame.add(textField);
 121         frame.setVisible(true);
 122         robot.waitForIdle();
 123 
 124         robot.keyPress(KeyEvent.VK_A);
 125         robot.keyRelease(KeyEvent.VK_A);
 126         robot.keyPress(KeyEvent.VK_B);
 127         robot.keyRelease(KeyEvent.VK_B);
 128         robot.waitForIdle();
 129 
 130         frame.dispose();
 131 
 132         if(!textField.getText().equals("ab")){
 133             throw new RuntimeException("Focus is lost!");
 134         }
 135     }
 136 
 137     static boolean compare(Color c1, Color c2){
 138         return compare(c1.getRed(), c2.getRed())
 139                 && compare(c1.getGreen(), c2.getGreen())
 140                 && compare(c1.getBlue(), c2.getBlue());
 141     }
 142 
 143     static boolean compare(int n, int m){
 144         return Math.abs(n - m) <= 50;
 145     }
 146 
 147     static float getScaleFactor() {
 148 
 149         final Dialog dialog = new Dialog((Window) null);
 150         dialog.setSize(100, 100);
 151         dialog.setModal(true);
 152         final float[] scaleFactors = new float[1];
 153         Panel panel = new Panel() {
 154 
 155             @Override
 156             public void paint(Graphics g) {
 157                 float scaleFactor = 1;
 158                 if (g instanceof SunGraphics2D) {
 159                     scaleFactor = ((SunGraphics2D) g).surfaceData.getDefaultScale();
 160                 }
 161                 scaleFactors[0] = scaleFactor;
 162                 dialog.setVisible(false);
 163             }
 164         };
 165 
 166         dialog.add(panel);
 167         dialog.setVisible(true);
 168         dialog.dispose();
 169 
 170         return scaleFactors[0];
 171     }
 172 
 173     static void generateImages() throws Exception {
 174         for (ImageInfo test : tests) {
 175             generateImage(test.name1x, test.color1x, 1);
 176             generateImage(test.name2x, test.color2x, 2);
 177         }
 178     }
 179 
 180     static void generateImage(String name, Color color, int scale) throws Exception {
 181         File file = new File(name);
 182         if (file.exists()) {
 183             return;
 184         }
 185         BufferedImage image = new BufferedImage(scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT,
 186                 BufferedImage.TYPE_INT_RGB);
 187         Graphics g = image.getGraphics();
 188         g.setColor(color);
 189         g.fillRect(0, 0, scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT);
 190         ImageIO.write(image, "png", file);
 191     }
 192 
 193     static class ImageInfo {
 194 
 195         final String name1x;
 196         final String name2x;
 197         final Color color1x;
 198         final Color color2x;
 199 
 200         public ImageInfo(String name1x, String name2x, Color color1x, Color color2x) {
 201             this.name1x = name1x;
 202             this.name2x = name2x;
 203             this.color1x = color1x;
 204             this.color2x = color2x;
 205         }
 206     }
 207 }