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/*
* Copyright (c) 2016, 2017, 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.Dimension;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.image.BaseMultiResolutionImage;
import java.awt.image.BufferedImage;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JToggleButton;
import javax.swing.SwingUtilities;
/**
* @test
* @key headful
* @bug 8151303
* @summary [macosx] [hidpi] JButton's low-res. icon is visible when clicking on it
* @run main/othervm PressedIconTest
* @run main/othervm -Dsun.java2d.uiScale=2 PressedIconTest
*/
public class PressedIconTest {
private final static int IMAGE_SIZE = 300;
private final static Color COLOR_1X = Color.RED;
private final static Color COLOR_2X = Color.BLUE;
private static JFrame frame;
private static volatile double scale = -1;
private static volatile int centerX;
private static volatile int centerY;
public static void main(String[] args) throws Exception {
Robot robot = new Robot();
robot.setAutoDelay(50);
SwingUtilities.invokeAndWait(() -> createAndShowGUI());
robot.waitForIdle();
SwingUtilities.invokeAndWait(() -> {
scale = frame.getGraphicsConfiguration().getDefaultTransform()
.getScaleX();
Point location = frame.getLocation();
Dimension size = frame.getSize();
centerX = location.x + size.width / 2;
centerY = location.y + size.height / 2;
});
robot.waitForIdle();
robot.mouseMove(centerX, centerY);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.waitForIdle();
Thread.sleep(100);
Color color = robot.getPixelColor(centerX, centerY);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
SwingUtilities.invokeAndWait(() -> frame.dispose());
if ((scale == 1 && !similar(color, COLOR_1X))
|| (scale == 2 && !similar(color, COLOR_2X))) {
throw new RuntimeException("Colors are different!");
}
}
private static void createAndShowGUI() {
frame = new JFrame();
frame.setSize(IMAGE_SIZE, IMAGE_SIZE);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel(new BorderLayout());
BufferedImage img1x = generateImage(1, COLOR_1X);
BufferedImage img2x = generateImage(2, COLOR_2X);
BaseMultiResolutionImage mri = new BaseMultiResolutionImage(
new BufferedImage[]{img1x, img2x});
Icon mrIcon = new ImageIcon(mri);
JToggleButton button = new JToggleButton();
button.setIcon(mrIcon);
panel.add(button, BorderLayout.CENTER);
frame.getContentPane().add(panel);
frame.setVisible(true);
}
private static boolean similar(Color c1, Color c2) {
return similar(c1.getRed(), c2.getRed())
&& similar(c1.getGreen(), c2.getGreen())
&& similar(c1.getBlue(), c2.getBlue());
}
private static boolean similar(int n, int m) {
return Math.abs(n - m) <= 50;
}
private static BufferedImage generateImage(int scale, Color c) {
int size = IMAGE_SIZE * scale;
BufferedImage img = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
Graphics g = img.createGraphics();
g.setColor(c);
g.fillRect(0, 0, size, size);
g.dispose();
return img;
}
}
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