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iTechSharp/iTextSharp/text/pdf/PdfTemplate.cs
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281
iTechSharp/iTextSharp/text/pdf/PdfTemplate.cs
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using System;
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using iTextSharp.text;
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/*
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* Copyright 2001, 2002 Paulo Soares
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text.pdf {
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/**
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* Implements the form XObject.
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*/
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public class PdfTemplate : PdfContentByte {
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public const int TYPE_TEMPLATE = 1;
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public const int TYPE_IMPORTED = 2;
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public const int TYPE_PATTERN = 3;
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protected int type;
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/** The indirect reference to this template */
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protected PdfIndirectReference thisReference;
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/** The resources used by this template */
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protected PageResources pageResources;
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/** The bounding box of this template */
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protected Rectangle bBox = new Rectangle(0, 0);
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protected PdfArray matrix;
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protected PdfTransparencyGroup group;
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protected IPdfOCG layer;
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/**
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*Creates a <CODE>PdfTemplate</CODE>.
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*/
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protected PdfTemplate() : base(null) {
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type = TYPE_TEMPLATE;
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}
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/**
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* Creates new PdfTemplate
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*
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* @param wr the <CODE>PdfWriter</CODE>
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*/
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internal PdfTemplate(PdfWriter wr) : base(wr) {
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type = TYPE_TEMPLATE;
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pageResources = new PageResources();
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pageResources.AddDefaultColor(wr.DefaultColorspace);
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thisReference = writer.PdfIndirectReference;
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}
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/**
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* Creates a new template.
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* <P>
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* Creates a new template that is nothing more than a form XObject. This template can be included
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* in this <CODE>PdfContentByte</CODE> or in another template. Templates are only written
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* to the output when the document is closed permitting things like showing text in the first page
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* that is only defined in the last page.
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*
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* @param width the bounding box width
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* @param height the bounding box height
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* @return the templated created
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*/
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public static PdfTemplate CreateTemplate(PdfWriter writer, float width, float height) {
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return CreateTemplate(writer, width, height, null);
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}
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internal static PdfTemplate CreateTemplate(PdfWriter writer, float width, float height, PdfName forcedName) {
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PdfTemplate template = new PdfTemplate(writer);
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template.Width = width;
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template.Height = height;
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writer.AddDirectTemplateSimple(template, forcedName);
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return template;
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}
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/**
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* Gets the bounding width of this template.
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*
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* @return width the bounding width
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*/
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public float Width {
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get {
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return bBox.Width;
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}
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set {
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bBox.Left = 0;
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bBox.Right = value;
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}
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}
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/**
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* Gets the bounding heigth of this template.
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*
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* @return heigth the bounding height
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*/
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public float Height {
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get {
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return bBox.Height;
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}
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set {
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bBox.Bottom = 0;
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bBox.Top = value;
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}
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}
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public Rectangle BoundingBox {
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get {
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return bBox;
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}
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set {
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this.bBox = value;
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}
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}
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/**
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* Gets the layer this template belongs to.
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* @return the layer this template belongs to or <code>null</code> for no layer defined
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*/
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public IPdfOCG Layer {
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get {
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return layer;
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}
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set {
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layer = value;
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}
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}
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public void SetMatrix(float a, float b, float c, float d, float e, float f) {
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matrix = new PdfArray();
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matrix.Add(new PdfNumber(a));
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matrix.Add(new PdfNumber(b));
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matrix.Add(new PdfNumber(c));
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matrix.Add(new PdfNumber(d));
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matrix.Add(new PdfNumber(e));
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matrix.Add(new PdfNumber(f));
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}
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internal PdfArray Matrix {
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get {
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return matrix;
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}
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}
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/**
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* Gets the indirect reference to this template.
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*
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* @return the indirect reference to this template
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*/
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public PdfIndirectReference IndirectReference {
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get {
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return thisReference;
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}
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}
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public void BeginVariableText() {
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content.Append("/Tx BMC ");
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}
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public void EndVariableText() {
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content.Append("EMC ");
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}
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/**
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* Constructs the resources used by this template.
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*
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* @return the resources used by this template
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*/
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internal virtual PdfObject Resources {
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get {
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return PageResources.Resources;
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}
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}
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/**
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* Gets the stream representing this template.
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*
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* @return the stream representing this template
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*/
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internal virtual PdfStream FormXObject {
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get {
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return new PdfFormXObject(this);
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}
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}
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/**
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* Gets a duplicate of this <CODE>PdfTemplate</CODE>. All
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* the members are copied by reference but the buffer stays different.
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* @return a copy of this <CODE>PdfTemplate</CODE>
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*/
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public override PdfContentByte Duplicate {
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get {
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PdfTemplate tpl = new PdfTemplate();
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tpl.writer = writer;
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tpl.pdf = pdf;
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tpl.thisReference = thisReference;
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tpl.pageResources = pageResources;
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tpl.bBox = new Rectangle(bBox);
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tpl.group = group;
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tpl.layer = layer;
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if (matrix != null) {
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tpl.matrix = new PdfArray(matrix);
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}
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tpl.separator = separator;
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return tpl;
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}
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}
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public int Type {
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get {
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return type;
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}
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}
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internal override PageResources PageResources {
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get {
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return pageResources;
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}
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}
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public PdfTransparencyGroup Group {
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get {
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return this.group;
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}
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set {
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group = value;
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}
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}
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}
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}
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