pdfpattern.java

一个java操作pdf文件的开发包,很好用的.

package com.lowagie.text.pdf;

import com.lowagie.text.ExceptionConverter;

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

public class PdfPattern extends PdfStream {
    
    PdfPattern(PdfPatternPainter painter) {
        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();
        } catch (Exception e) {
            throw new ExceptionConverter(e);
        }
    }
}