com.itextpdf.text.pdf.PdfFormXObject Maven / Gradle / Ivy
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*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
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package com.itextpdf.text.pdf;
/**
* PdfFormObject is a type of XObject containing a template-object.
*/
public class PdfFormXObject extends PdfStream {
// public static final variables
/** This is a PdfNumber representing 0. */
public static final PdfNumber ZERO = new PdfNumber(0);
/** This is a PdfNumber representing 1. */
public static final PdfNumber ONE = new PdfNumber(1);
/** This is the 1 - matrix. */
public static final PdfLiteral MATRIX = new PdfLiteral("[1 0 0 1 0 0]");
/**
* Constructs a PdfFormXObject-object.
*
* @param template the template
* @param compressionLevel the compression level for the stream
* @since 2.1.3 (Replacing the existing constructor with param compressionLevel)
*/
PdfFormXObject(PdfTemplate template, int compressionLevel) // throws BadPdfFormatException
{
super();
put(PdfName.TYPE, PdfName.XOBJECT);
put(PdfName.SUBTYPE, PdfName.FORM);
put(PdfName.RESOURCES, template.getResources());
put(PdfName.BBOX, new PdfRectangle(template.getBoundingBox()));
put(PdfName.FORMTYPE, ONE);
if (template.getLayer() != null)
put(PdfName.OC, template.getLayer().getRef());
if (template.getGroup() != null)
put(PdfName.GROUP, template.getGroup());
PdfArray matrix = template.getMatrix();
if (matrix == null)
put(PdfName.MATRIX, MATRIX);
else
put(PdfName.MATRIX, matrix);
bytes = template.toPdf(null);
put(PdfName.LENGTH, new PdfNumber(bytes.length));
if (template.getAdditional() != null) {
putAll(template.getAdditional());
}
flateCompress(compressionLevel);
}
}