| /* BasicIconFactory.java -- |
| Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.plaf.basic; |
| |
| import java.awt.Color; |
| import java.awt.Component; |
| import java.awt.Graphics; |
| import java.io.Serializable; |
| |
| import javax.swing.Icon; |
| import javax.swing.JCheckBoxMenuItem; |
| |
| /** |
| * Creates icons for the {@link BasicLookAndFeel}. |
| */ |
| public class BasicIconFactory implements Serializable |
| { |
| static final long serialVersionUID = 5605588811185324383L; |
| |
| private static class DummyIcon |
| implements Icon |
| { |
| public int getIconHeight() |
| { |
| return 10; |
| } |
| public int getIconWidth() |
| { |
| return 10; |
| } |
| public void paintIcon(Component c, Graphics g, int x, int y) |
| { |
| Color save = g.getColor(); |
| g.setColor(c.getForeground()); |
| g.drawRect(x, y, 10, 10); |
| g.setColor(save); |
| } |
| } |
| |
| /** |
| * The icon used for CheckBoxes in the BasicLookAndFeel. This is an empty |
| * icon with a size of 13x13 pixels. |
| */ |
| static class CheckBoxIcon |
| implements Icon |
| { |
| /** |
| * Returns the height of the icon. The BasicLookAndFeel CheckBox icon |
| * has a height of 13 pixels. |
| * |
| * @return the height of the icon |
| */ |
| public int getIconHeight() |
| { |
| return 13; |
| } |
| |
| /** |
| * Returns the width of the icon. The BasicLookAndFeel CheckBox icon |
| * has a width of 13 pixels. |
| * |
| * @return the height of the icon |
| */ |
| public int getIconWidth() |
| { |
| return 13; |
| } |
| |
| /** |
| * Paints the icon. The BasicLookAndFeel CheckBox icon is empty and does |
| * not need to be painted. |
| * |
| * @param c the component to be painted |
| * @param g the Graphics context to be painted with |
| * @param x the x position of the icon |
| * @param y the y position of the icon |
| */ |
| public void paintIcon(Component c, Graphics g, int x, int y) |
| { |
| // The icon is empty and needs no painting. |
| } |
| } |
| |
| /** |
| * The icon used for {@link JCheckBoxMenuItem}s in the |
| * {@link BasicLookAndFeel}. This icon has a size of 9x9 pixels. |
| */ |
| static class CheckBoxMenuItemIcon |
| implements Icon |
| { |
| /** |
| * Returns the height of the icon in pixels. |
| * |
| * @return the height of the icon |
| */ |
| public int getIconHeight() |
| { |
| return 9; |
| } |
| |
| /** |
| * Returns the width of the icon in pixels. |
| * |
| * @return the height of the icon |
| */ |
| public int getIconWidth() |
| { |
| return 9; |
| } |
| |
| /** |
| * Paints the icon. |
| * |
| * @param c the component to be painted |
| * @param g the Graphics context to be painted with |
| * @param x the x position of the icon |
| * @param y the y position of the icon |
| */ |
| public void paintIcon(Component c, Graphics g, int x, int y) |
| { |
| JCheckBoxMenuItem item = (JCheckBoxMenuItem) c; |
| if (item.isSelected()) |
| { |
| // paint the check... |
| g.setColor(Color.black); |
| g.drawLine(x + 1, y + 3, x + 1, y + 4); |
| g.drawLine(x + 2, y + 4, x + 2, y + 5); |
| for (int i = 0; i < 5; i++) |
| g.drawLine(x + 3 + i, y + 5 - i, x + 3 + i, y + 6 - i); |
| } |
| } |
| } |
| |
| /** |
| * The icon used for RadioButtons in the BasicLookAndFeel. This is an empty |
| * icon with a size of 13x13 pixels. |
| */ |
| static class RadioButtonIcon |
| implements Icon |
| { |
| /** |
| * Returns the height of the icon. The BasicLookAndFeel RadioButton icon |
| * has a height of 13 pixels. |
| * |
| * @return the height of the icon |
| */ |
| public int getIconHeight() |
| { |
| return 13; |
| } |
| |
| /** |
| * Returns the width of the icon. The BasicLookAndFeel RadioButton icon |
| * has a width of 13 pixels. |
| * |
| * @return the height of the icon |
| */ |
| public int getIconWidth() |
| { |
| return 13; |
| } |
| |
| /** |
| * Paints the icon. The BasicLookAndFeel RadioButton icon is empty and does |
| * not need to be painted. |
| * |
| * @param c the component to be painted |
| * @param g the Graphics context to be painted with |
| * @param x the x position of the icon |
| * @param y the y position of the icon |
| */ |
| public void paintIcon(Component c, Graphics g, int x, int y) |
| { |
| // The icon is empty and needs no painting. |
| } |
| } |
| /** The cached CheckBoxIcon instance. */ |
| private static CheckBoxIcon checkBoxIcon; |
| |
| /** The cached RadioButtonIcon instance. */ |
| private static RadioButtonIcon radioButtonIcon; |
| |
| public static Icon getMenuItemCheckIcon() |
| { |
| return new Icon() |
| { |
| public int getIconHeight() |
| { |
| return 13; |
| } |
| |
| public int getIconWidth() |
| { |
| return 13; |
| } |
| |
| public void paintIcon(Component c, Graphics g, int x, int y) |
| { |
| Color saved = g.getColor(); |
| g.setColor(Color.BLACK); |
| g.drawLine(3 + x, 5 + y, 3 + x, 9 + y); |
| g.drawLine(4 + x, 5 + y, 4 + x, 9 + y); |
| g.drawLine(5 + x, 7 + y, 9 + x, 3 + y); |
| g.drawLine(5 + x, 8 + y, 9 + x, 4 + y); |
| g.setColor(saved); |
| } |
| }; |
| } |
| public static Icon getMenuItemArrowIcon() |
| { |
| return new DummyIcon(); |
| } |
| |
| /** |
| * Returns a new instance of a 4 x 8 icon showing a small black triangle that |
| * points to the right. This is displayed in menu items that have a |
| * sub menu. |
| * |
| * @return The icon. |
| */ |
| public static Icon getMenuArrowIcon() |
| { |
| return new Icon() |
| { |
| public int getIconHeight() |
| { |
| return 8; |
| } |
| public int getIconWidth() |
| { |
| return 4; |
| } |
| public void paintIcon(Component c, Graphics g, int x, int y) |
| { |
| Color saved = g.getColor(); |
| g.setColor(Color.BLACK); |
| for (int i = 0; i < 4; i++) |
| g.drawLine(x + i, y + i, x + i, y + 7 - i); |
| g.setColor(saved); |
| } |
| }; |
| } |
| |
| /** |
| * Returns an icon for CheckBoxes in the BasicLookAndFeel. CheckBox icons |
| * in the Basic L&F are empty and have a size of 13x13 pixels. |
| * This method returns a shared single instance of this icon. |
| * |
| * @return an icon for CheckBoxes in the BasicLookAndFeel |
| */ |
| public static Icon getCheckBoxIcon() |
| { |
| if (checkBoxIcon == null) |
| checkBoxIcon = new CheckBoxIcon(); |
| return checkBoxIcon; |
| } |
| |
| /** |
| * Returns an icon for RadioButtons in the BasicLookAndFeel. RadioButton |
| * icons in the Basic L&F are empty and have a size of 13x13 pixels. |
| * This method returns a shared single instance of this icon. |
| * |
| * @return an icon for RadioButtons in the BasicLookAndFeel |
| */ |
| public static Icon getRadioButtonIcon() |
| { |
| if (radioButtonIcon == null) |
| radioButtonIcon = new RadioButtonIcon(); |
| return radioButtonIcon; |
| } |
| |
| /** |
| * Creates and returns an icon used when rendering {@link JCheckBoxMenuItem} |
| * components. |
| * |
| * @return An icon. |
| */ |
| public static Icon getCheckBoxMenuItemIcon() |
| { |
| return new CheckBoxMenuItemIcon(); |
| } |
| |
| public static Icon getRadioButtonMenuItemIcon() |
| { |
| return getRadioButtonIcon(); |
| } |
| |
| public static Icon createEmptyFrameIcon() |
| { |
| return new DummyIcon(); |
| } |
| } // class BasicIconFactory |