/*
 * Copyright 2002 by Phillip Pan
 * 
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */
package com.lowagie.text.pdf;

import com.lowagie.text.ExceptionConverter;

/**
 * A <CODE>PdfPattern</CODE> defines a ColorSpace
 *
 * @see		PdfStream
 */

public class PdfPattern extends PdfStream {
    
	/**
	 * Creates a PdfPattern object.
	 * @param	painter	a pattern painter instance
	 */
	PdfPattern(PdfPatternPainter painter) {
		this(painter, DEFAULT_COMPRESSION);
	}

	/**
	 * Creates a PdfPattern object.
	 * @param	painter	a pattern painter instance
	 * @param	compressionLevel the compressionLevel for the stream
	 * @since	2.1.3
	 */
    PdfPattern(PdfPatternPainter painter, int compressionLevel) {
        super();
        PdfNumber one = new PdfNumber(1);
        PdfArray matrix = painter.getMatrix();
        if ( matrix != null ) {
            put(PdfName.MATRIX, matrix);
        }
        put(PdfName.TYPE, PdfName.PATTERN);
        put(PdfName.BBOX, new PdfRectangle(painter.getBoundingBox()));
        put(PdfName.RESOURCES, painter.getResources());
        put(PdfName.TILINGTYPE, one);
        put(PdfName.PATTERNTYPE, one);
        if (painter.isStencil())
            put(PdfName.PAINTTYPE, new PdfNumber(2));
        else
            put(PdfName.PAINTTYPE, one);
        put(PdfName.XSTEP, new PdfNumber(painter.getXStep()));
        put(PdfName.YSTEP, new PdfNumber(painter.getYStep()));
        bytes = painter.toPdf(null);
        put(PdfName.LENGTH, new PdfNumber(bytes.length));
        try {
            flateCompress(compressionLevel);
        } catch (Exception e) {
            throw new ExceptionConverter(e);
        }
    }
}