/* * Copyright (c) 1998, 2008, 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.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */ package javax.swing.plaf.metal; import javax.swing.*;import javax.swing.plaf.UIResource;import java.awt.*;import java.awt.image.BufferedImage;import java.io.Serializable;import java.util.Enumeration;import java.util.Vector;import sun.swing.CachedPainter; /** * Factory object that vends <code>Icon</code>s for * the Java<sup><font size="-2">TM</font></sup> look and feel (Metal). * These icons are used extensively in Metal via the defaults mechanism. * While other look and feels often use GIFs for icons, creating icons * in code facilitates switching to other themes. * * <p> * Each method in this class returns * either an <code>Icon</code> or <code>null</code>, * where <code>null</code> implies that there is no default icon. * * <p> * <strong>Warning:</strong> * Serialized objects of this class will not be compatible with * future Swing releases. The current serialization support is * appropriate for short term storage or RMI between applications running * the same version of Swing.  As of 1.4, support for long term storage * of all JavaBeans<sup><font size="-2">TM</font></sup> * has been added to the <code>java.beans</code> package. * Please see {@link java.beans.XMLEncoder}. * * @author Michael C. Albers */public class MetalIconFactory implements Serializable {     // List of code-drawn Icons    private static Icon fileChooserDetailViewIcon;    private static Icon fileChooserHomeFolderIcon;    private static Icon fileChooserListViewIcon;    private static Icon fileChooserNewFolderIcon;    private static Icon fileChooserUpFolderIcon;    private static Icon internalFrameAltMaximizeIcon;    private static Icon internalFrameCloseIcon;    private static Icon internalFrameDefaultMenuIcon;    private static Icon internalFrameMaximizeIcon;    private static Icon internalFrameMinimizeIcon;    private static Icon radioButtonIcon;    private static Icon treeComputerIcon;    private static Icon treeFloppyDriveIcon;    private static Icon treeHardDriveIcon;      private static Icon menuArrowIcon;    private static Icon menuItemArrowIcon;    private static Icon checkBoxMenuItemIcon;    private static Icon radioButtonMenuItemIcon;    private static Icon checkBoxIcon;      // Ocean icons    private static Icon oceanHorizontalSliderThumb;    private static Icon oceanVerticalSliderThumb;     // Constants    public static final boolean DARK = false;    public static final boolean LIGHT = true;     // Accessor functions for Icons. Does the caching work.    public static Icon getFileChooserDetailViewIcon() {        if (fileChooserDetailViewIcon == null) {            fileChooserDetailViewIcon = new FileChooserDetailViewIcon();        }        return fileChooserDetailViewIcon;    }     public static Icon getFileChooserHomeFolderIcon() {        if (fileChooserHomeFolderIcon == null) {            fileChooserHomeFolderIcon = new FileChooserHomeFolderIcon();        }        return fileChooserHomeFolderIcon;    }     public static Icon getFileChooserListViewIcon() {        if (fileChooserListViewIcon == null) {            fileChooserListViewIcon = new FileChooserListViewIcon();        }        return fileChooserListViewIcon;    }     public static Icon getFileChooserNewFolderIcon() {        if (fileChooserNewFolderIcon == null) {            fileChooserNewFolderIcon = new FileChooserNewFolderIcon();        }        return fileChooserNewFolderIcon;    }     public static Icon getFileChooserUpFolderIcon() {        if (fileChooserUpFolderIcon == null) {            fileChooserUpFolderIcon = new FileChooserUpFolderIcon();        }        return fileChooserUpFolderIcon;    }     public static Icon getInternalFrameAltMaximizeIcon(int size) {        return new InternalFrameAltMaximizeIcon(size);    }     public static Icon getInternalFrameCloseIcon(int size) {        return new InternalFrameCloseIcon(size);    }     public static Icon getInternalFrameDefaultMenuIcon() {        if (internalFrameDefaultMenuIcon == null) {            internalFrameDefaultMenuIcon = new InternalFrameDefaultMenuIcon();        }        return internalFrameDefaultMenuIcon;    }     public static Icon getInternalFrameMaximizeIcon(int size) {        return new InternalFrameMaximizeIcon(size);    }     public static Icon getInternalFrameMinimizeIcon(int size) {        return new InternalFrameMinimizeIcon(size);    }     public static Icon getRadioButtonIcon() {        if (radioButtonIcon == null) {            radioButtonIcon = new RadioButtonIcon();        }        return radioButtonIcon;    }     /**     * Returns a checkbox icon.     * @since 1.3     */    public static Icon getCheckBoxIcon() {        if (checkBoxIcon == null) {            checkBoxIcon = new CheckBoxIcon();        }        return checkBoxIcon;    }     public static Icon getTreeComputerIcon() {        if ( treeComputerIcon == null ) {            treeComputerIcon = new TreeComputerIcon();        }        return treeComputerIcon;    }     public static Icon getTreeFloppyDriveIcon() {        if ( treeFloppyDriveIcon == null ) {            treeFloppyDriveIcon = new TreeFloppyDriveIcon();        }        return treeFloppyDriveIcon;    }     public static Icon getTreeFolderIcon() {        return new TreeFolderIcon();    }     public static Icon getTreeHardDriveIcon() {        if ( treeHardDriveIcon == null ) {            treeHardDriveIcon = new TreeHardDriveIcon();        }        return treeHardDriveIcon;    }     public static Icon getTreeLeafIcon() {        return new TreeLeafIcon();    }     public static Icon getTreeControlIcon( boolean isCollapsed ) {            return new TreeControlIcon( isCollapsed );    }     public static Icon getMenuArrowIcon() {        if (menuArrowIcon == null) {            menuArrowIcon = new MenuArrowIcon();        }        return menuArrowIcon;    }     /**     * Returns an icon to be used by <code>JCheckBoxMenuItem</code>.     *     * @return the default icon for check box menu items,     *         or <code>null</code> if no default exists     */    public static Icon getMenuItemCheckIcon() {        return null;    }     public static Icon getMenuItemArrowIcon() {        if (menuItemArrowIcon == null) {            menuItemArrowIcon = new MenuItemArrowIcon();        }        return menuItemArrowIcon;    }     public static Icon getCheckBoxMenuItemIcon() {        if (checkBoxMenuItemIcon == null) {            checkBoxMenuItemIcon = new CheckBoxMenuItemIcon();        }        return checkBoxMenuItemIcon;    }     public static Icon getRadioButtonMenuItemIcon() {        if (radioButtonMenuItemIcon == null) {            radioButtonMenuItemIcon = new RadioButtonMenuItemIcon();        }        return radioButtonMenuItemIcon;    }     public static Icon getHorizontalSliderThumbIcon() {        if (MetalLookAndFeel.usingOcean()) {            if (oceanHorizontalSliderThumb == null) {                oceanHorizontalSliderThumb =                               new OceanHorizontalSliderThumbIcon();            }            return oceanHorizontalSliderThumb;        }      // don't cache these, bumps don't get updated otherwise        return new HorizontalSliderThumbIcon();    }     public static Icon getVerticalSliderThumbIcon() {        if (MetalLookAndFeel.usingOcean()) {            if (oceanVerticalSliderThumb == null) {                oceanVerticalSliderThumb = new OceanVerticalSliderThumbIcon();            }            return oceanVerticalSliderThumb;        }        // don't cache these, bumps don't get updated otherwise        return new VerticalSliderThumbIcon();    }     // File Chooser Detail View code    private static class FileChooserDetailViewIcon implements Icon, UIResource, Serializable {        public void paintIcon(Component c, Graphics g, int x, int y) {            g.translate(x, y);             // Draw outside edge of each of the documents            g.setColor(MetalLookAndFeel.getPrimaryControlInfo());            //     top            g.drawLine(2,2, 5,2); // top            g.drawLine(2,3, 2,7); // left            g.drawLine(3,7, 6,7); // bottom            g.drawLine(6,6, 6,3); // right            //     bottom            g.drawLine(2,10, 5,10); // top            g.drawLine(2,11, 2,15); // left            g.drawLine(3,15, 6,15); // bottom            g.drawLine(6,14, 6,11); // right             // Draw little dots next to documents            //     Same color as outside edge            g.drawLine(8,5, 15,5);     // top            g.drawLine(8,13, 15,13);   // bottom             // Draw inner highlight on documents            g.setColor(MetalLookAndFeel.getPrimaryControl());            g.drawRect(3,3, 2,3);   // top            g.drawRect(3,11, 2,3);  // bottom             // Draw inner inner highlight on documents            g.setColor(MetalLookAndFeel.getPrimaryControlHighlight());            g.drawLine(4,4, 4,5);     // top            g.drawLine(4,12, 4,13);   // bottom             g.translate(-x, -y);        }         public int getIconWidth() {            return 18;        }         public int getIconHeight() {            return 18;        }    }  // End class FileChooserDetailViewIcon     // File Chooser Home Folder code    private static class FileChooserHomeFolderIcon implements Icon, UIResource, Serializable {        public void paintIcon(Component c, Graphics g, int x, int y) {            g.translate(x, y);             // Draw outside edge of house            g.setColor(MetalLookAndFeel.getPrimaryControlInfo());            g.drawLine(8,1, 1,8);  // left edge of roof            g.drawLine(8,1, 15,8); // right edge of roof            g.drawLine(11,2, 11,3); // left edge of chimney            g.drawLine(12,2, 12,4); // right edge of chimney            g.drawLine(3,7, 3,15); // left edge of house            g.drawLine(13,7, 13,15); // right edge of house            g.drawLine(4,15, 12,15); // bottom edge of house            // Draw door frame            //     same color as edge of house            g.drawLine( 6,9,  6,14); // left            g.drawLine(10,9, 10,14); // right            g.drawLine( 7,9,  9, 9); // top             // Draw roof body            g.setColor(MetalLookAndFeel.getControlDarkShadow());            g.fillRect(8,2, 1,1); //top toward bottom            g.fillRect(7,3, 3,1);            g.fillRect(6,4, 5,1);            g.fillRect(5,5, 7,1);            g.fillRect(4,6, 9,2);            // Draw doornob            //     same color as roof body            g.drawLine(9,12, 9,12);             // Paint the house            g.setColor(MetalLookAndFeel.getPrimaryControl());            g.drawLine(4,8, 12,8); // above door            g.fillRect(4,9, 2,6); // left of door            g.fillRect(11,9, 2,6); // right of door             g.translate(-x, -y);        }         public int getIconWidth() {            return 18;        }         public int getIconHeight() {            return 18;        }    }  // End class FileChooserHomeFolderIcon     // File Chooser List View code    private static class FileChooserListViewIcon implements Icon, UIResource, Serializable {        public void paintIcon(Component c, Graphics g, int x, int y) {            g.translate(x, y);             // Draw outside edge of each of the documents            g.setColor(MetalLookAndFeel.getPrimaryControlInfo());            //     top left            g.drawLine(2,2, 5,2); // top            g.drawLine(2,3, 2,7); // left            g.drawLine(3,7, 6,7); // bottom            g.drawLine(6,6, 6,3); // right            //     top right            g.drawLine(10,2, 13,2); // top            g.drawLine(10,3, 10,7); // left            g.drawLine(11,7, 14,7); // bottom            g.drawLine(14,6, 14,3); // right            //     bottom left            g.drawLine(2,10, 5,10); // top            g.drawLine(2,11, 2,15); // left            g.drawLine(3,15, 6,15); // bottom            g.drawLine(6,14, 6,11); // right            //     bottom right            g.drawLine(10,10, 13,10); // top            g.drawLine(10,11, 10,15); // left            g.drawLine(11,15, 14,15); // bottom            g.drawLine(14,14, 14,11); // right             // Draw little dots next to documents            //     Same color as outside edge            g.drawLine(8,5, 8,5);     // top left            g.drawLine(16,5, 16,5);   // top right            g.drawLine(8,13, 8,13);   // bottom left            g.drawLine(16,13, 16,13); // bottom right             // Draw inner highlight on documents            g.setColor(MetalLookAndFeel.getPrimaryControl());            g.drawRect(3,3, 2,3);   // top left            g.drawRect(11,3, 2,3);  // top right            g.drawRect(3,11, 2,3);  // bottom left            g.drawRect(11,11, 2,3); // bottom right             // Draw inner inner highlight on documents            g.setColor(MetalLookAndFeel.getPrimaryControlHighlight());            g.drawLine(4,4, 4,5);     // top left            g.drawLine(12,4, 12,5);   // top right            g.drawLine(4,12, 4,13);   // bottom left            g.drawLine(12,12, 12,13); // bottom right             g.translate(-x, -y);        }         public int getIconWidth() {            return 18;        }         public int getIconHeight() {            return 18;        }    }  // End class FileChooserListViewIcon     // File Chooser New Folder code    private static class FileChooserNewFolderIcon implements Icon, UIResource, Serializable {        public void paintIcon(Component c, Graphics g, int x, int y) {            g.translate(x, y);             // Fill background            g.setColor(MetalLookAndFeel.getPrimaryControl());            g.fillRect(3,5, 12,9);             // Draw outside edge of folder            g.setColor(MetalLookAndFeel.getPrimaryControlInfo());            g.drawLine(1,6,    1,14); // left            g.drawLine(2,14,  15,14); // bottom            g.drawLine(15,13, 15,5);  // right            g.drawLine(2,5,    9,5);  // top left            g.drawLine(10,6,  14,6);  // top right             // Draw inner folder highlight            g.setColor(MetalLookAndFeel.getPrimaryControlHighlight());            g.drawLine( 2,6,  2,13); // left            g.drawLine( 3,6,  9,6);  // top left            g.drawLine(10,7, 14,7);  // top right             // Draw tab on folder            g.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow());            g.drawLine(11,3, 15,3); // top            g.drawLine(10,4, 15,4); // bottom             g.translate(-x, -y);        }         public int getIconWidth() {            return 18;        }         public int getIconHeight() {            return 18;        }    }  // End class FileChooserNewFolderIcon     // File Chooser Up Folder code    private static class FileChooserUpFolderIcon implements Icon, UIResource, Serializable {        public void paintIcon(Component c, Graphics g, int x, int y) {            g.translate(x, y);             // Fill background            g.setColor(MetalLookAndFeel.getPrimaryControl());            g.fillRect(3,5, 12,9);             // Draw outside edge of folder            g.setColor(MetalLookAndFeel.getPrimaryControlInfo());            g.drawLine(1,6,    1,14); // left            g.drawLine(2,14,  15,14); // bottom            g.drawLine(15,13, 15,5);  // right            g.drawLine(2,5,    9,5);  // top left            g.drawLine(10,6,  14,6);  // top right            // Draw the UP arrow            //     same color as edge            g.drawLine(8,13,  8,16); // arrow shaft            g.drawLine(8, 9,  8, 9); // arrowhead top            g.drawLine(7,10,  9,10);            g.drawLine(6,11, 10,11);            g.drawLine(5,12, 11,12);             // Draw inner folder highlight            g.setColor(MetalLookAndFeel.getPrimaryControlHighlight());            g.drawLine( 2,6,  2,13); // left            g.drawLine( 3,6,  9,6);  // top left            g.drawLine(10,7, 14,7);  // top right             // Draw tab on folder            g.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow());            g.drawLine(11,3, 15,3); // top            g.drawLine(10,4, 15,4); // bottom             g.translate(-x, -y);        }         public int getIconWidth() {            return 18;

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