com.itextpdf.text.pdf.PdfPattern Maven / Gradle / Ivy

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/*
 * $Id: bb5f977bd8a1143738918f53a1bcb81f0b239a03 $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2016 iText Group NV
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
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 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
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package com.itextpdf.text.pdf;

import com.itextpdf.text.ExceptionConverter;

/**
 * A PdfPattern 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);
        }
    }
}