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