| /* |
| * Copyright (c) 2014, 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.Dimension; |
| import java.awt.Graphics; |
| import java.awt.Graphics2D; |
| import java.awt.Image; |
| import java.awt.image.BufferedImage; |
| import javax.swing.JCheckBox; |
| import javax.swing.JComponent; |
| import javax.swing.SwingUtilities; |
| import jdk.testlibrary.OSInfo; |
| |
| /* @test |
| * @bug 8032667 |
| * @summary [macosx] Components cannot be rendered in HiDPI to BufferedImage |
| * @library ../../../../lib/testlibrary |
| * @build jdk.testlibrary.OSInfo |
| * @run main bug8032667_image_diff |
| */ |
| public class bug8032667_image_diff { |
| |
| static final int IMAGE_WIDTH = 130; |
| static final int IMAGE_HEIGHT = 50; |
| |
| public static void main(String[] args) throws Exception { |
| |
| if(!OSInfo.OSType.MACOSX.equals(OSInfo.getOSType())){ |
| return; |
| } |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| @Override |
| public void run() { |
| |
| JCheckBox checkBox = new JCheckBox(); |
| checkBox.setSelected(true); |
| checkBox.setSize(new Dimension(IMAGE_WIDTH, IMAGE_HEIGHT)); |
| |
| final BufferedImage image1 = getHiDPIImage(checkBox); |
| final BufferedImage image2 = getScaledImage(checkBox); |
| |
| if(equal(image1, image2)){ |
| throw new RuntimeException("2x image equals to non smooth image"); |
| } |
| } |
| }); |
| } |
| |
| static boolean equal(BufferedImage image1, BufferedImage image2) { |
| |
| int w = image1.getWidth(); |
| int h = image1.getHeight(); |
| |
| if (w != image2.getWidth() || h != image2.getHeight()) { |
| return false; |
| } |
| |
| for (int i = 0; i < w; i++) { |
| for (int j = 0; j < h; j++) { |
| int color1 = image1.getRGB(i, j); |
| int color2 = image2.getRGB(i, j); |
| |
| if (color1 != color2) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| static BufferedImage getHiDPIImage(JComponent component) { |
| return getImage(component, 2, IMAGE_WIDTH, IMAGE_HEIGHT); |
| } |
| |
| static BufferedImage getScaledImage(JComponent component) { |
| Image image1x = getImage(component, 1, IMAGE_WIDTH, IMAGE_HEIGHT); |
| final BufferedImage image2x = new BufferedImage( |
| 2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_ARGB); |
| final Graphics g = image2x.getGraphics(); |
| ((Graphics2D) g).scale(2, 2); |
| g.drawImage(image1x, 0, 0, null); |
| g.dispose(); |
| return image2x; |
| } |
| |
| static BufferedImage getImage(JComponent component, int scale, int width, int height) { |
| final BufferedImage image = new BufferedImage( |
| scale * width, scale * height, BufferedImage.TYPE_INT_ARGB); |
| final Graphics g = image.getGraphics(); |
| ((Graphics2D) g).scale(scale, scale); |
| component.paint(g); |
| g.dispose(); |
| return image; |
| } |
| } |