118 lines
4.2 KiB
Java
118 lines
4.2 KiB
Java
/*
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* Copyright (c) 2002, 2024, 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.Dimension;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsEnvironment;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.Robot;
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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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* @bug 4328588
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* @key headful
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* @summary Non-default visual on top-level Frame should work
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* @run main FrameVisualTest
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*/
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public class FrameVisualTest {
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private static GraphicsConfiguration[] gcs;
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private static volatile Frame[] frames;
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private static volatile int index;
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private static Frame f;
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private static Robot robot;
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private static volatile Point p;
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private static volatile Dimension d;
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private static final int TOLERANCE = 5;
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public static void main(String[] args) throws Exception {
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gcs = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getConfigurations();
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robot = new Robot();
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robot.setAutoDelay(100);
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try {
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EventQueue.invokeAndWait(() -> {
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createAndShowUI();
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});
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robot.delay(1000);
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System.out.println("frames.length: "+frames.length);
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for (index = 0; index < frames.length; index++) {
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EventQueue.invokeAndWait(() -> {
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p = frames[index].getLocation();
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d = frames[index].getSize();
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});
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Rectangle rect = new Rectangle(p, d);
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BufferedImage img = robot.createScreenCapture(rect);
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if (chkImgBackgroundColor(img)) {
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try {
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ImageIO.write(img, "png", new File("Frame_" + index + ".png"));
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} catch (IOException ignored) {}
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throw new RuntimeException("Frame visual test failed with non-white background color");
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}
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}
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} finally {
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for (index = 0; index < frames.length; index++) {
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EventQueue.invokeAndWait(() -> {
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if (frames[index] != null) {
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frames[index].dispose();
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}
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});
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}
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}
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}
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private static void createAndShowUI() {
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frames = new Frame[gcs.length];
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for (int i = 0; i < frames.length; i++) {
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frames[i] = new Frame("Frame w/ gc " + i, gcs[i]);
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frames[i].setSize(100, 100);
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frames[i].setUndecorated(true);
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frames[i].setBackground(Color.WHITE);
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frames[i].setVisible(true);
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}
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}
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private static boolean chkImgBackgroundColor(BufferedImage img) {
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// scan for mid-line and if it is non-white color then return true.
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for (int x = 1; x < img.getWidth() - 1; ++x) {
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Color c = new Color(img.getRGB(x, img.getHeight() / 2));
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if ((c.getRed() - Color.WHITE.getRed()) > TOLERANCE &&
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(c.getGreen() - Color.WHITE.getGreen()) > TOLERANCE &&
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(c.getBlue() - Color.WHITE.getBlue()) > TOLERANCE) {
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return true;
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}
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}
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return false;
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}
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}
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