/* ================================================================
* Cewolf : Chart enabling Web Objects Framework
* ================================================================
*
* Project Info: http://cewolf.sourceforge.net
* Project Lead: Guido Laures (guido@laures.de);
*
* (C) Copyright 2002, by Guido Laures
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package de.laures.cewolf.taglib.tags;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.TexturePaint;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import javax.imageio.ImageIO;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Special texture paint which can be serialized.
* @see TexturePaint
* @author Guido Laures
*/
public class SerializableTexturePaint implements Paint, Serializable {
private static final Log log = LogFactory.getLog(SerializableTexturePaint.class);
static final long serialVersionUID = 3377875007493302352L;
private String image;
private int width;
private int height;
private transient Paint paint = null;
public SerializableTexturePaint() {
}
/** Creates a new instance of SerializableGradientPaint */
public SerializableTexturePaint(String image, int width, int height) {
this.image = image;
this.width = width;
this.height = height;
}
private Paint getPaint() {
if (paint == null) {
createPaint();
}
return paint;
}
private void createPaint() {
try {
BufferedImage bim = ImageIO.read(new File(image));
Rectangle rect = new Rectangle(width, height);
paint = new TexturePaint(bim, rect);
} catch (IOException ioex) {
log.error("SerializableTexturePaint.createPaint: "+ioex.getMessage());
}
}
public java.awt.PaintContext createContext (ColorModel colorModel, Rectangle rectangle,
Rectangle2D rectangle2D, AffineTransform affineTransform, RenderingHints renderingHints) {
if (renderingHints == null)
renderingHints = new RenderingHints(null);
return getPaint().createContext(colorModel, rectangle, rectangle2D, affineTransform, renderingHints);
}
public int getTransparency() {
return getPaint().getTransparency();
}
}