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/*
* Copyright (c) 2016, 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.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Toolkit;
import java.awt.image.BaseMultiResolutionImage;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import javax.swing.GrayFilter;
import java.awt.image.MultiResolutionImage;
import javax.swing.JLabel;
/**
* @test
* @bug 8156182
* @summary [macosx] HiDPI/Retina icons do not work for disabled
* JButton/JMenuItem etc.
* @run main/othervm -Dsun.java2d.uiScale=2 MultiResolutionDisabledImageTest
*/
public class MultiResolutionDisabledImageTest {
private static final String IMAGE_NAME_1X = "image.png";
private static final String IMAGE_NAME_2X = "image@2x.png";
private static final int IMAGE_SIZE = 100;
private static final Color COLOR_1X = Color.GREEN;
private static final Color COLOR_2X = Color.BLUE;
public static void main(String[] args) throws Exception {
Image baseMRImage = new BaseMultiResolutionImage(createImage(1),
createImage(2));
testMRDisabledImage(baseMRImage);
saveImages();
Image toolkitMRImage = Toolkit.getDefaultToolkit().getImage(IMAGE_NAME_1X);
if (toolkitMRImage instanceof MultiResolutionImage) {
testMRDisabledImage(toolkitMRImage);
}
}
private static void testMRDisabledImage(Image image) throws Exception {
Image disabledImage = GrayFilter.createDisabledImage(image);
MediaTracker mediaTracker = new MediaTracker(new JLabel());
mediaTracker.addImage(disabledImage, 0);
mediaTracker.waitForID(0);
BufferedImage buffImage = new BufferedImage(IMAGE_SIZE,
IMAGE_SIZE,
BufferedImage.TYPE_INT_RGB);
int x = IMAGE_SIZE / 2;
int y = IMAGE_SIZE / 2;
Graphics2D g = buffImage.createGraphics();
g.scale(1, 1);
g.drawImage(disabledImage, 0, 0, null);
int rgb1x = buffImage.getRGB(x, y);
g.scale(2, 2);
g.drawImage(disabledImage, 0, 0, null);
int rgb2x = buffImage.getRGB(x, y);
g.dispose();
if (rgb1x == rgb2x) {
throw new RuntimeException("Disabled image is the same for the base"
+ "image and the resolution variant");
}
}
private static BufferedImage createImage(int scale) throws Exception {
BufferedImage image = new BufferedImage(scale * 200, scale * 300,
BufferedImage.TYPE_INT_RGB);
Graphics g = image.createGraphics();
g.setColor(scale == 1 ? COLOR_1X : COLOR_2X);
g.fillRect(0, 0, scale * 200, scale * 300);
g.dispose();
return image;
}
private static void saveImages() throws Exception {
saveImage(createImage(1), IMAGE_NAME_1X);
saveImage(createImage(2), IMAGE_NAME_2X);
}
private static void saveImage(BufferedImage image, String name) throws Exception {
ImageIO.write(image, "png", new File(name));
}
}
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