148 lines
5.1 KiB
Java
148 lines
5.1 KiB
Java
/*
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* Copyright (c) 2015, 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.Color;
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import java.awt.Graphics;
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import java.awt.image.BufferedImage;
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import javax.swing.Icon;
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import javax.swing.JMenuItem;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.UIManager.LookAndFeelInfo;
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import javax.swing.plaf.synth.Region;
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import javax.swing.plaf.synth.SynthConstants;
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import javax.swing.plaf.synth.SynthContext;
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import javax.swing.plaf.synth.SynthGraphicsUtils;
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import javax.swing.plaf.synth.SynthIcon;
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import javax.swing.plaf.synth.SynthLookAndFeel;
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import javax.swing.plaf.synth.SynthStyle;
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/*
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* @test
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* @bug 8081411
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* @summary Add an API for painting an icon with a SynthContext
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* @author Alexander Scherbatiy
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*/
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public class bug8081411 {
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private static final Color TEST_COLOR = new Color(71, 71, 72);
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public static void main(String[] args) throws Exception {
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SwingUtilities.invokeAndWait(bug8081411::testSynthIcon);
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}
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private static void testSynthIcon() {
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if (!checkAndSetNimbusLookAndFeel()) {
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return;
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}
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JMenuItem menu = new JMenuItem();
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Icon subMenuIcon = UIManager.getIcon("Menu.arrowIcon");
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if (!(subMenuIcon instanceof SynthIcon)) {
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throw new RuntimeException("Icon is not a SynthIcon!");
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}
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Region region = SynthLookAndFeel.getRegion(menu);
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SynthStyle style = SynthLookAndFeel.getStyle(menu, region);
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SynthContext synthContext = new SynthContext(menu, region, style, SynthConstants.ENABLED);
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int width = SynthGraphicsUtils.getIconWidth(subMenuIcon, synthContext);
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int height = SynthGraphicsUtils.getIconHeight(subMenuIcon, synthContext);
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paintAndCheckIcon(subMenuIcon, synthContext, width, height);
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int newWidth = width * 17;
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int newHeight = height * 37;
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Icon centeredIcon = new CenteredSynthIcon((SynthIcon) subMenuIcon,
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newWidth, newHeight);
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paintAndCheckIcon(centeredIcon, synthContext, newWidth, newHeight);
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}
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private static void paintAndCheckIcon(Icon icon, SynthContext synthContext,
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int width, int height) {
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BufferedImage buffImage = new BufferedImage(width, height,
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BufferedImage.TYPE_INT_RGB);
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Graphics g = buffImage.createGraphics();
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g.setColor(Color.RED);
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g.fillRect(0, 0, width, height);
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SynthGraphicsUtils.paintIcon(icon, synthContext, g, 0, 0, width, height);
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g.dispose();
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Color iconCenterColor = new Color(buffImage.getRGB(width / 2, height / 2));
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if (!TEST_COLOR.equals(iconCenterColor)) {
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throw new RuntimeException("Icon is painted incorrectly!");
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}
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}
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private static boolean checkAndSetNimbusLookAndFeel() {
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try {
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for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
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if ("Nimbus".equals(info.getName())) {
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UIManager.setLookAndFeel(info.getClassName());
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return true;
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}
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}
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return false;
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} catch (Exception ignore) {
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return false;
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}
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}
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private static class CenteredSynthIcon implements SynthIcon {
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private final SynthIcon icon;
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private final int width;
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private final int height;
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public CenteredSynthIcon(SynthIcon icon, int width, int height) {
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this.icon = icon;
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this.width = width;
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this.height = height;
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}
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@Override
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public void paintIcon(SynthContext syntContext, Graphics g, int x, int y,
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int w, int h) {
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int dw = icon.getIconWidth(syntContext);
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int dh = icon.getIconHeight(syntContext);
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int dx = width - dw;
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int dy = height - dh;
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icon.paintIcon(syntContext, g, x + dx / 2, y + dy / 2,
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dw + 2, dh + 2);
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}
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@Override
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public int getIconWidth(SynthContext sc) {
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return width;
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}
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@Override
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public int getIconHeight(SynthContext sc) {
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return height;
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}
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}
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}
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