russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
243 lines
8.5 KiB
Java
243 lines
8.5 KiB
Java
/*
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* Copyright (c) 2014, 2026, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.Color;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.GraphicsEnvironment;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.SplashScreen;
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import java.awt.TextField;
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import java.awt.event.KeyEvent;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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/*
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* @test
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* @key headful
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* @bug 8043869 8075244 8078082 8145173 8151787 8212213
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* @summary Tests the HiDPI splash screen support for windows and MAC
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* @run main MultiResolutionSplashTest GENERATE_IMAGES
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* @run main/othervm -splash:splash1.png MultiResolutionSplashTest TEST_SPLASH 0
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* @run main/othervm -splash:splash2 MultiResolutionSplashTest TEST_SPLASH 1
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* @run main/othervm -splash:splash3. MultiResolutionSplashTest TEST_SPLASH 2
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* @run main/othervm -splash:splash1.png MultiResolutionSplashTest TEST_FOCUS
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*/
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public class MultiResolutionSplashTest {
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private static final int IMAGE_WIDTH = 300;
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private static final int IMAGE_HEIGHT = 200;
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private static final boolean isMac = System.getProperty("os.name")
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.contains("OS X");
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private static final ImageInfo[] tests = {
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new ImageInfo("splash1", ".png", Color.BLUE, Color.GREEN),
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new ImageInfo("splash2", "", Color.WHITE, Color.BLACK),
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new ImageInfo("splash3", ".", Color.YELLOW, Color.RED)
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};
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public static void main(String[] args) throws Exception {
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switch (args[0]) {
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case "GENERATE_IMAGES":
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generateImages();
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break;
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case "TEST_SPLASH":
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testSplash(tests[Integer.parseInt(args[1])]);
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break;
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case "TEST_FOCUS":
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testFocus();
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break;
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default:
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throw new RuntimeException("Unknown test: " + args[0]);
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}
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}
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static void testSplash(ImageInfo test) throws Exception {
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SplashScreen splashScreen = SplashScreen.getSplashScreen();
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if (splashScreen == null) {
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throw new RuntimeException("Splash screen is not shown!");
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}
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final Rectangle splashBounds = splashScreen.getBounds();
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final double scaleFactor = getScreenScaleFactor();
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final Robot robot = new Robot();
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// Allow time for the splash screen to show
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robot.delay(100);
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BufferedImage splashCapture = robot.createScreenCapture(splashBounds);
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String captureFileName = "splashscreen-%1.2f-%s.png"
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.formatted(scaleFactor, test.name1x);
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saveImageNoError(splashCapture, new File(captureFileName));
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// Close the splash screen; this gives time for it to be fully removed
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splashScreen.close();
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robot.waitForIdle();
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if (splashBounds.width != IMAGE_WIDTH) {
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throw new RuntimeException(
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"SplashScreen#getBounds has wrong width");
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}
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if (splashBounds.height != IMAGE_HEIGHT) {
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throw new RuntimeException(
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"SplashScreen#getBounds has wrong height");
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}
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Color splashScreenColor =
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new Color(splashCapture.getRGB(splashBounds.width / 2,
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splashBounds.height / 2));
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Color testColor = (1 < scaleFactor) ? test.color2x : test.color1x;
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if (!compare(testColor, splashScreenColor)) {
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throw new RuntimeException(
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"Image with wrong resolution is used for splash screen! "
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+ "Refer to " + captureFileName);
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}
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}
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static void testFocus() throws Exception {
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Robot robot = new Robot();
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robot.setAutoWaitForIdle(true);
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robot.setAutoDelay(50);
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Frame frame = new Frame();
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frame.setSize(100, 100);
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String test = "123";
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TextField textField = new TextField(test);
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textField.selectAll();
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frame.add(textField);
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frame.setVisible(true);
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robot.waitForIdle();
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robot.delay(1000);
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robot.keyPress(KeyEvent.VK_A);
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robot.keyRelease(KeyEvent.VK_A);
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robot.keyPress(KeyEvent.VK_B);
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robot.keyRelease(KeyEvent.VK_B);
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robot.waitForIdle();
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frame.dispose();
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if (!textField.getText().equals("ab")) {
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throw new RuntimeException("Focus is lost! " +
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"Expected 'ab' got " + "'" + textField.getText() + "'.");
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}
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}
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static boolean compare(Color c1, Color c2) {
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return compare(c1.getRed(), c2.getRed())
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&& compare(c1.getGreen(), c2.getGreen())
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&& compare(c1.getBlue(), c2.getBlue());
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}
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static boolean compare(int n, int m) {
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return Math.abs(n - m) <= 50;
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}
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static void generateImages() throws Exception {
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for (ImageInfo test : tests) {
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generateImage(test.name1x, test.color1x, 1.0);
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// Ensure the second image uses scale greater than 1.0
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double scale = getAdjustedScaleFactor();
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generateImage(test.name2x, test.color2x, scale);
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}
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}
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static void generateImage(final String name,
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final Color color,
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final double scale) throws Exception {
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File file = new File(name);
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if (file.exists()) {
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return;
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}
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final int width = (int) (scale * IMAGE_WIDTH);
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final int height = (int) (scale * IMAGE_HEIGHT);
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BufferedImage image = new BufferedImage(width,
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height,
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BufferedImage.TYPE_INT_RGB);
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Graphics g = image.getGraphics();
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g.setColor(color);
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g.fillRect(0, 0, width, height);
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saveImage(image, file);
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}
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private static void saveImage(BufferedImage image,
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File file) throws IOException {
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ImageIO.write(image, "png", file);
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}
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private static void saveImageNoError(BufferedImage image,
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File file) {
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try {
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saveImage(image, file);
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} catch (IOException ignored) {
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}
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}
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static double getScreenScaleFactor() {
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return GraphicsEnvironment
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.getLocalGraphicsEnvironment()
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.getDefaultScreenDevice()
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.getDefaultConfiguration()
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.getDefaultTransform()
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.getScaleX();
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}
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// Ensure the second image uses scale greater than 1.0
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static double getAdjustedScaleFactor() {
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double scale = getScreenScaleFactor();
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return scale < 1.25 ? 2.0 : scale;
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}
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static class ImageInfo {
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final String name1x;
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final String name2x;
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final Color color1x;
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final Color color2x;
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public ImageInfo(String baseName, String ext,
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Color color1x, Color color2x) {
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this.name1x = baseName + ext;
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this.name2x = createName2x(baseName, ext);
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this.color1x = color1x;
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this.color2x = color2x;
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}
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private static String createName2x(String baseName, String ext) {
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double scale = getAdjustedScaleFactor();
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if (!isMac && (((int) (scale * 100)) % 100 != 0)) {
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return baseName + "@" + ((int) (scale * 100)) + "pct" + ext;
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} else {
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return baseName + "@" + ((int) scale) + "x" + ext;
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}
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}
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}
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}
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