/* ================================================================

 * 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.Serializable;

import de.laures.cewolf.util.ImageHelper;

/** 

 * Special texture paint which can be serialized.

 * @see TexturePaint

 * @author  Guido Laures 

 */

public class SerializableTexturePaint implements Paint, Serializable {

    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() {

        BufferedImage bim = ImageHelper.loadBufferedImage(image);

        Rectangle rect = new Rectangle(width, height);

        paint = new TexturePaint(bim, rect);

    }

    public java.awt.PaintContext createContext(ColorModel colorModel, Rectangle rectangle, Rectangle2D rectangle2D,

    AffineTransform affineTransform, RenderingHints renderingHints) {

        return getPaint().createContext(colorModel, rectangle, rectangle2D, affineTransform, renderingHints);

    }

    public int getTransparency() {

        return getPaint().getTransparency();

    }

}