/*
* Copyright (c) 2009-2010, EzWare All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.Redistributions in binary
* form must reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other materials provided
* with the distribution.Neither the name of the EzWare nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.ezware.common;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.RenderingHints;
import java.awt.geom.RoundRectangle2D;
import javax.swing.Icon;
public class EmptyIcon implements Icon {
private final int size;
private boolean paintImage;
public static final EmptyIcon visible(int size) {
return new EmptyIcon(size, true);
}
public static final EmptyIcon hidden() {
return new EmptyIcon(0, false);
}
private EmptyIcon(int size, boolean paintImage) {
this.size = Math.abs(size == 0 ? 1 : size); // needs at least 1px to
// copy images (see Icons
// class)
this.paintImage = paintImage;
}
@Override
public int getIconHeight() {
return size;
}
@Override
public int getIconWidth() {
return size;
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
if (paintImage && size > 2) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
int radius = size / 3;
RoundRectangle2D r = new RoundRectangle2D.Float(x, y, size - 1, size - 1, radius, radius);
g2.setColor(new Color(255, 255, 0, 127));
g2.fill(r);
g2.setStroke(new BasicStroke(3));
g2.setColor(Color.RED);
g2.draw(r);
Point center = new Point(x + size / 2, y + size / 2);
int d = size / 4;
int xad = center.x - d;
int xsd = center.x + d;
int yad = center.y + d;
int ysd = center.y - d;
g2.drawLine(xad, ysd, xsd, yad);
g2.drawLine(xad, yad, xsd, ysd);
}
}
}