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+/* 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&amp;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&amp;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
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-15 21:20:20 +0000