1 /* 2 * Copyright (c) 2014, 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.Graphics; 27 import java.awt.Graphics2D; 28 import java.awt.Panel; 29 import java.awt.Rectangle; 30 import java.awt.Robot; 31 import java.awt.SplashScreen; 32 import java.awt.Window; 33 import java.awt.image.BufferedImage; 34 import java.io.File; 35 import javax.imageio.ImageIO; 36 import sun.java2d.SunGraphics2D; 37 38 /** 39 * @test 40 * @bug 8043869 41 * @author Alexander Scherbatiy 42 * @summary [macosx] java -splash does not honor 2x hi dpi notation for retina 43 * support 44 * @run main MultiResolutionSplashTest GENERATE_IMAGES 45 * @run main/othervm -splash:image.png MultiResolutionSplashTest TEST_SPLASH 46 */ 47 public class MultiResolutionSplashTest { 48 49 private static final int IMAGE_WIDTH = 300; 50 private static final int IMAGE_HEIGHT = 200; 51 private static final Color COLOR_1X = Color.GREEN; 52 private static final Color COLOR_2X = Color.BLUE; 53 private static final String IMAGE_NAME_1X = "image.png"; 54 private static final String IMAGE_NAME_2X = "image@2x.png"; 55 56 public static void main(String[] args) throws Exception { 57 58 String test = args[0]; 59 60 switch (test) { 61 case "GENERATE_IMAGES": 62 generateImages(); 63 break; 64 case "TEST_SPLASH": 65 testSplash(); 66 break; 67 default: 68 throw new RuntimeException("Unknown test: " + test); 69 } 70 } 71 72 static void testSplash() throws Exception { 73 SplashScreen splashScreen = SplashScreen.getSplashScreen(); 74 75 if (splashScreen == null) { 76 throw new RuntimeException("Splash screen is not shown!"); 77 } 78 79 Graphics2D g = splashScreen.createGraphics(); 80 Rectangle splashBounds = splashScreen.getBounds(); 81 int screenX = (int) splashBounds.getCenterX(); 82 int screenY = (int) splashBounds.getCenterY(); 83 84 Robot robot = new Robot(); 85 Color splashScreenColor = robot.getPixelColor(screenX, screenY); 86 87 float scaleFactor = getScaleFactor(); 88 Color testColor = (1 < scaleFactor) ? COLOR_2X : COLOR_1X; 89 90 if (!testColor.equals(splashScreenColor)) { 91 throw new RuntimeException( 92 "Image with wrong resolution is used for splash screen!"); 93 } 94 } 95 96 static float getScaleFactor() { 97 98 final Dialog dialog = new Dialog((Window) null); 99 dialog.setSize(100, 100); 100 dialog.setModal(true); 101 final float[] scaleFactors = new float[1]; 102 Panel panel = new Panel() { 103 104 @Override 105 public void paint(Graphics g) { 106 float scaleFactor = 1; 107 if (g instanceof SunGraphics2D) { 108 scaleFactor = ((SunGraphics2D) g).surfaceData.getDefaultScale(); 109 } 110 scaleFactors[0] = scaleFactor; 111 dialog.setVisible(false); 112 } 113 }; 114 115 dialog.add(panel); 116 dialog.setVisible(true); 117 dialog.dispose(); 118 119 return scaleFactors[0]; 120 } 121 122 static void generateImages() throws Exception { 123 if (!new File(IMAGE_NAME_1X).exists()) { 124 generateImage(1); 125 } 126 127 if (!new File(IMAGE_NAME_2X).exists()) { 128 generateImage(2); 129 } 130 } 131 132 static void generateImage(int scale) throws Exception { 133 BufferedImage image = new BufferedImage(scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT, 134 BufferedImage.TYPE_INT_RGB); 135 Graphics g = image.getGraphics(); 136 g.setColor(scale == 1 ? COLOR_1X : COLOR_2X); 137 g.fillRect(0, 0, scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT); 138 File file = new File(scale == 1 ? IMAGE_NAME_1X : IMAGE_NAME_2X); 139 ImageIO.write(image, "png", file); 140 } 141 }