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/*
* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.image.BufferedImage;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.SwingUtilities;
/**
* @test
* @key headful
* @bug 8160248 8160332 8186513
* @summary Dragged internal frame leaves artifacts for floating point ui scale
* @run main/othervm -Dsun.java2d.uiScale=1.2 JInternalFrameDraggingTest
* @run main/othervm -Dsun.java2d.uiScale=1.5 JInternalFrameDraggingTest
* @run main/othervm -Dsun.java2d.uiScale=1 JInternalFrameDraggingTest
* @run main/othervm -Dsun.java2d.uiScale=2.5 JInternalFrameDraggingTest
*/
public class JInternalFrameDraggingTest {
private static JFrame frame;
private static JDesktopPane desktopPane;
private static JInternalFrame internalFrame;
private static int FRAME_SIZE = 500;
private static Color BACKGROUND_COLOR = Color.ORANGE;
public static void main(String[] args) throws Exception {
Robot robot = new Robot();
robot.setAutoDelay(20);
SwingUtilities.invokeAndWait(JInternalFrameDraggingTest::createAndShowGUI);
robot.waitForIdle();
final int translate = FRAME_SIZE / 4;
moveFrame(robot, translate, translate / 2, translate / 2);
robot.waitForIdle();
Point p = getDesktopPaneLocation();
int size = translate / 2;
Rectangle rect = new Rectangle(p.x, p.y, size, size);
BufferedImage img = robot.createScreenCapture(rect);
int testRGB = BACKGROUND_COLOR.getRGB();
for (int i = 1; i < size; i++) {
int rgbCW = img.getRGB(i, size / 2);
int rgbCH = img.getRGB(size / 2, i);
if (rgbCW != testRGB || rgbCH != testRGB) {
System.out.println("i " + i + " rgbCW " +
Integer.toHexString(rgbCW) +
" testRGB " + Integer.toHexString(testRGB) +
" rgbCH " + Integer.toHexString(rgbCH));
throw new RuntimeException("Background color is wrong!");
}
}
}
private static void createAndShowGUI() {
frame = new JFrame();
frame.setUndecorated(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
desktopPane = new JDesktopPane();
desktopPane.setBackground(BACKGROUND_COLOR);
frame.add(desktopPane, BorderLayout.CENTER);
frame.setSize(FRAME_SIZE, FRAME_SIZE);
frame.setVisible(true);
internalFrame = new JInternalFrame("Test");
internalFrame.setSize(FRAME_SIZE / 2, FRAME_SIZE / 2);
desktopPane.add(internalFrame);
internalFrame.setVisible(true);
internalFrame.setResizable(true);
frame.setVisible(true);
}
private static void moveFrame(Robot robot, int w, int h, int N) throws Exception {
Point p = getInternalFrameLocation();
int xs = p.x + 100;
int ys = p.y + 15;
robot.mouseMove(xs, ys);
try {
robot.mousePress(InputEvent.BUTTON1_MASK);
int dx = w / N;
int dy = h / N;
int y = ys;
for (int x = xs; x < xs + w; x += dx, y += dy) {
robot.mouseMove(x, y);
}
} finally {
robot.mouseRelease(InputEvent.BUTTON1_MASK);
}
}
private static Point getInternalFrameLocation() throws Exception {
final Point[] points = new Point[1];
SwingUtilities.invokeAndWait(() -> {
points[0] = internalFrame.getLocationOnScreen();
});
return points[0];
}
private static Point getDesktopPaneLocation() throws Exception {
final Point[] points = new Point[1];
SwingUtilities.invokeAndWait(() -> {
points[0] = desktopPane.getLocationOnScreen();
});
return points[0];
}
}
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