109 lines
3.8 KiB
Java
109 lines
3.8 KiB
Java
/*
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* Copyright (c) 2014, 2024, 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.BorderLayout;
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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.JFrame;
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import javax.swing.JPanel;
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/* @test
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* @bug 8032667
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @summary [macosx] Components cannot be rendered in HiDPI to BufferedImage
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* @run main/manual bug8032667
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*/
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public class bug8032667 {
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static final int scale = 2;
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static final int width = 130;
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static final int height = 50;
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static final int scaledWidth = scale * width;
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static final int scaledHeight = scale * height;
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private static final String INSTRUCTIONS = """
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Verify that scaled components are rendered smoothly to image.
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1. Run the test.
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2. Check that Selected and Deselected JCheckBox icons are drawn smoothly.
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If so, press PASS, else press FAIL.
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""";
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public static void main(String[] args) throws Exception {
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PassFailJFrame.builder()
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.title("bug8032667 Test Instructions")
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.instructions(INSTRUCTIONS)
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.rows((int) INSTRUCTIONS.lines().count() + 2)
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.columns(40)
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.testUI(bug8032667::createAndShowGUI)
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.build()
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.awaitAndCheck();
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}
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public static JFrame createAndShowGUI() {
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JFrame frame = new JFrame("bug8032667 HiDPI Component Test");
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frame.setLayout(new BorderLayout());
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frame.setBounds(0, 400, 400, 400);
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final Image image1 = getImage(getCheckBox("Deselected", false));
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final Image image2 = getImage(getCheckBox("Selected", true));
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JPanel panel = new JPanel() {
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@Override
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public void paint(Graphics g) {
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super.paint(g);
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g.drawImage(image1, 0, 0, scaledWidth, scaledHeight, this);
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g.drawImage(image2, 0, scaledHeight + 5,
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scaledWidth, scaledHeight, this);
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}
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};
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frame.add(panel, BorderLayout.CENTER);
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return frame;
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}
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static JCheckBox getCheckBox(String text, boolean selected) {
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JCheckBox checkBox = new JCheckBox(text);
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checkBox.setSelected(selected);
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checkBox.setSize(new Dimension(width, height));
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return checkBox;
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}
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static Image getImage(JComponent component) {
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final BufferedImage image = new BufferedImage(
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scaledWidth, scaledHeight, 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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