730 lines
25 KiB
C#
730 lines
25 KiB
C#
using System;
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using System.IO;
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using System.util;
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using iTextSharp.text;
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using iTextSharp.text.rtf;
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using iTextSharp.text.rtf.document;
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/*
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* $Id: RtfFont.cs,v 1.13 2008/05/16 19:31:11 psoares33 Exp $
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*
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*
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* Copyright 2001, 2002, 2003, 2004 by Mark Hall
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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.rtf.style {
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/**
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* The RtfFont class stores one font for an rtf document. It extends Font,
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* so can be set as a font, to allow adding of fonts with arbitrary names.
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* BaseFont fontname handling contributed by Craig Fleming. Various fixes
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* Renaud Michel, Werner Daehn.
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*
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* Version: $Id: RtfFont.cs,v 1.13 2008/05/16 19:31:11 psoares33 Exp $
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* @author Mark Hall (Mark.Hall@mail.room3b.eu)
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* @author Craig Fleming (rythos@rhana.dhs.org)
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* @author Renaud Michel (r.michel@immedia.be)
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* @author Werner Daehn (Werner.Daehn@BusinessObjects.com)
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* @author Lidong Liu (tmslld@gmail.com)
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*/
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public class RtfFont : Font, IRtfExtendedElement {
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/**
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* Constant for the font family to use ("froman")
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*/
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private static byte[] FONT_FAMILY = DocWriter.GetISOBytes("\\froman");
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/**
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* Constant for the charset
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*/
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private static byte[] FONT_CHARSET = DocWriter.GetISOBytes("\\fcharset");
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/**
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* Constant for the font size
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*/
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public static byte[] FONT_SIZE = DocWriter.GetISOBytes("\\fs");
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/**
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* Constant for the bold flag
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*/
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private static byte[] FONT_BOLD = DocWriter.GetISOBytes("\\b");
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/**
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* Constant for the italic flag
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*/
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private static byte[] FONT_ITALIC = DocWriter.GetISOBytes("\\i");
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/**
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* Constant for the underline flag
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*/
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private static byte[] FONT_UNDERLINE = DocWriter.GetISOBytes("\\ul");
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/**
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* Constant for the strikethrough flag
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*/
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private static byte[] FONT_STRIKETHROUGH = DocWriter.GetISOBytes("\\strike");
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/**
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* Constant for the double strikethrough flag
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*/
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private static byte[] FONT_DOUBLE_STRIKETHROUGH = DocWriter.GetISOBytes("\\striked");
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/**
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* Constant for the shadow flag
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*/
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private static byte[] FONT_SHADOW = DocWriter.GetISOBytes("\\shad");
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/**
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* Constant for the outline flag
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*/
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private static byte[] FONT_OUTLINE = DocWriter.GetISOBytes("\\outl");
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/**
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* Constant for the embossed flag
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*/
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private static byte[] FONT_EMBOSSED = DocWriter.GetISOBytes("\\embo");
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/**
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* Constant for the engraved flag
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*/
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private static byte[] FONT_ENGRAVED = DocWriter.GetISOBytes("\\impr");
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/**
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* Constant for hidden text flag
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*/
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private static byte[] FONT_HIDDEN = DocWriter.GetISOBytes("\\v");
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/**
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* Constant for a plain font
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*/
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public const int STYLE_NONE = 0;
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/**
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* Constant for a bold font
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*/
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public const int STYLE_BOLD = 1;
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/**
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* Constant for an italic font
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*/
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public const int STYLE_ITALIC = 2;
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/**
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* Constant for an underlined font
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*/
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public const int STYLE_UNDERLINE = 4;
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/**
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* Constant for a strikethrough font
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*/
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public const int STYLE_STRIKETHROUGH = 8;
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/**
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* Constant for a double strikethrough font
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*/
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public const int STYLE_DOUBLE_STRIKETHROUGH = 16;
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/**
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* Constant for a shadowed font
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*/
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public const int STYLE_SHADOW = 32;
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/**
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* Constant for an outlined font
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*/
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public const int STYLE_OUTLINE = 64;
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/**
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* Constant for an embossed font
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*/
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public const int STYLE_EMBOSSED = 128;
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/**
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* Constant for an engraved font
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*/
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public const int STYLE_ENGRAVED = 256;
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/**
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* Constant for a font that hides the actual text.
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*/
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public const int STYLE_HIDDEN = 512;
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/**
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* The font name. Defaults to "Times New Roman"
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*/
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private String fontName = "Times New Roman";
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/**
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* The font size. Defaults to 10
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*/
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private int fontSize = 10;
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/**
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* The font style. Defaults to STYLE_NONE
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*/
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private int fontStyle = STYLE_NONE;
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/**
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* The number of this font
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*/
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private int fontNumber = 0;
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/**
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* The colour of this font
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*/
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private RtfColor color = null;
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/**
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* The character set to use for this font
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*/
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private int charset = 0;
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/**
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* The RtfDocument this RtfFont belongs to.
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*/
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protected RtfDocument document = null;
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/**
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* Constructs a RtfFont with the given font name and all other properties
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* at their default values.
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*
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* @param fontName The font name to use
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*/
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public RtfFont(String fontName) : base(Font.UNDEFINED, Font.UNDEFINED, Font.UNDEFINED, null) {
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this.fontName = fontName;
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}
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/**
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* Constructs a RtfFont with the given font name and font size and all other
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* properties at their default values.
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*
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* @param fontName The font name to use
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* @param size The font size to use
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*/
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public RtfFont(String fontName, float size) : base(Font.UNDEFINED, size, Font.UNDEFINED, null) {
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this.fontName = fontName;
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}
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/**
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* Constructs a RtfFont with the given font name, font size and font style and the
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* default color.
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*
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* @param fontName The font name to use
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* @param size The font size to use
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* @param style The font style to use
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*/
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public RtfFont(String fontName, float size, int style) : base(Font.UNDEFINED, size, style, null) {
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this.fontName = fontName;
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}
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/**
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* Constructs a RtfFont with the given font name, font size, font style and
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* color.
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*
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* @param fontName The font name to use
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* @param size the font size to use
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* @param style The font style to use
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* @param color The font color to use
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*/
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public RtfFont(String fontName, float size, int style, Color color) : base(Font.UNDEFINED, size, style, color) {
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this.fontName = fontName;
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}
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/**
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* Constructs a RtfFont with the given font name, font size, font style, colour
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* and charset. This can be used when generating non latin-1 text.
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*
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* @param fontName The font name to use
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* @param size the font size to use
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* @param style The font style to use
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* @param color The font color to use
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* @param charset The charset of the font content
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*/
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public RtfFont(String fontName, float size, int style, Color color, int charset) : this(fontName, size, style, color){
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this.charset = charset;
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}
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/**
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* Special constructor for the default font
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*
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* @param doc The RtfDocument this font appears in
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* @param fontNumber The id of this font
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*/
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protected internal RtfFont(RtfDocument doc, int fontNumber) {
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this.document = doc;
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this.fontNumber = fontNumber;
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color = new RtfColor(doc, 0, 0, 0);
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}
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/**
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* Constructs a RtfFont from a com.lowagie.text.Font
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* @param doc The RtfDocument this font appears in
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* @param font The Font to use as a base
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*/
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public RtfFont(RtfDocument doc, Font font) {
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this.document = doc;
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if (font != null) {
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if (font is RtfFont) {
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this.fontName = ((RtfFont) font).GetFontName();
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this.charset = ((RtfFont) font).GetCharset();
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} else {
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SetToDefaultFamily(font.Familyname);
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}
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if (font.BaseFont != null) {
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String[][] fontNames = font.BaseFont.FullFontName;
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for (int i = 0; i < fontNames.Length; i++) {
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if (fontNames[i][2].Equals("0")) {
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this.fontName = fontNames[i][3];
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break;
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} else if (fontNames[i][2].Equals("1033") || fontNames[i][2].Equals("")) {
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this.fontName = fontNames[i][3];
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}
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}
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}
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Size = font.Size;
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SetStyle(font.Style);
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Color = font.Color;
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}
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if (Util.EqualsIgnoreCase(this.fontName, "unknown")) {
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return;
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}
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if (document != null) {
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SetRtfDocument(document);
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}
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}
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/**
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* Writes the font definition
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*/
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public virtual void WriteDefinition(Stream result) {
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byte[] t;
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result.Write(FONT_FAMILY, 0, FONT_FAMILY.Length);
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result.Write(FONT_CHARSET, 0, FONT_CHARSET.Length);
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result.Write(t = IntToByteArray(charset), 0, t.Length);
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result.Write(RtfElement.DELIMITER, 0, RtfElement.DELIMITER.Length);
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document.FilterSpecialChar(result, fontName, true, false);
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}
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/**
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* Writes the font beginning
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*
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* @return A byte array with the font start data
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*/
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public virtual void WriteBegin(Stream result) {
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byte[] t;
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if(this.fontNumber != Font.UNDEFINED) {
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result.Write(RtfFontList.FONT_NUMBER, 0, RtfFontList.FONT_NUMBER.Length);
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result.Write(t = IntToByteArray(fontNumber), 0, t.Length);
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}
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if(this.fontSize != Font.UNDEFINED) {
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result.Write(FONT_SIZE, 0, FONT_SIZE.Length);
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result.Write(t = IntToByteArray(fontSize * 2), 0, t.Length);
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}
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if (this.fontStyle != UNDEFINED) {
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if ((fontStyle & STYLE_BOLD) == STYLE_BOLD) {
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result.Write(FONT_BOLD, 0, FONT_BOLD.Length);
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}
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if ((fontStyle & STYLE_ITALIC) == STYLE_ITALIC) {
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result.Write(FONT_ITALIC, 0, FONT_ITALIC.Length);
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}
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if ((fontStyle & STYLE_UNDERLINE) == STYLE_UNDERLINE) {
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result.Write(FONT_UNDERLINE, 0, FONT_UNDERLINE.Length);
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}
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if ((fontStyle & STYLE_STRIKETHROUGH) == STYLE_STRIKETHROUGH) {
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result.Write(FONT_STRIKETHROUGH, 0, FONT_STRIKETHROUGH.Length);
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}
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if ((fontStyle & STYLE_HIDDEN) == STYLE_HIDDEN) {
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result.Write(FONT_HIDDEN, 0, FONT_HIDDEN.Length);
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}
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if ((fontStyle & STYLE_DOUBLE_STRIKETHROUGH) == STYLE_DOUBLE_STRIKETHROUGH) {
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result.Write(FONT_DOUBLE_STRIKETHROUGH, 0, FONT_DOUBLE_STRIKETHROUGH.Length);
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result.Write(t = IntToByteArray(1), 0, t.Length);
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}
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if ((fontStyle & STYLE_SHADOW) == STYLE_SHADOW) {
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result.Write(FONT_SHADOW, 0, FONT_SHADOW.Length);
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}
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if ((fontStyle & STYLE_OUTLINE) == STYLE_OUTLINE) {
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result.Write(FONT_OUTLINE, 0, FONT_OUTLINE.Length);
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}
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if ((fontStyle & STYLE_EMBOSSED) == STYLE_EMBOSSED) {
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result.Write(FONT_EMBOSSED, 0, FONT_EMBOSSED.Length);
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}
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if ((fontStyle & STYLE_ENGRAVED) == STYLE_ENGRAVED) {
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result.Write(FONT_ENGRAVED, 0, FONT_ENGRAVED.Length);
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}
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}
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if(color != null) {
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color.WriteBegin(result);
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}
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}
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/**
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* Write the font end
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*
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*/
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public virtual void WriteEnd(Stream result) {
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byte[] t;
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if (this.fontStyle != UNDEFINED) {
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if ((fontStyle & STYLE_BOLD) == STYLE_BOLD) {
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result.Write(FONT_BOLD, 0, FONT_BOLD.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_ITALIC) == STYLE_ITALIC) {
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result.Write(FONT_ITALIC, 0, FONT_ITALIC.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_UNDERLINE) == STYLE_UNDERLINE) {
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result.Write(FONT_UNDERLINE, 0, FONT_UNDERLINE.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_STRIKETHROUGH) == STYLE_STRIKETHROUGH) {
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result.Write(FONT_STRIKETHROUGH, 0, FONT_STRIKETHROUGH.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_HIDDEN) == STYLE_HIDDEN) {
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result.Write(FONT_HIDDEN, 0, FONT_HIDDEN.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_DOUBLE_STRIKETHROUGH) == STYLE_DOUBLE_STRIKETHROUGH) {
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result.Write(FONT_DOUBLE_STRIKETHROUGH, 0, FONT_DOUBLE_STRIKETHROUGH.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_SHADOW) == STYLE_SHADOW) {
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result.Write(FONT_SHADOW, 0, FONT_SHADOW.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_OUTLINE) == STYLE_OUTLINE) {
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result.Write(FONT_OUTLINE, 0, FONT_OUTLINE.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_EMBOSSED) == STYLE_EMBOSSED) {
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result.Write(FONT_EMBOSSED, 0, FONT_EMBOSSED.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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if ((fontStyle & STYLE_ENGRAVED) == STYLE_ENGRAVED) {
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result.Write(FONT_ENGRAVED, 0, FONT_ENGRAVED.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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}
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}
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}
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/**
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* unused
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*/
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public virtual void WriteContent(Stream outp) {
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}
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/**
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* Tests for equality of RtfFonts. RtfFonts are equal if their fontName,
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* fontSize, fontStyle and fontSuperSubscript are equal
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*
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* @param obj The RtfFont to compare with this RtfFont
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* @return <code>True</code> if the RtfFonts are equal, <code>false</code> otherwise
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*/
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public override bool Equals(Object obj) {
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if (!(obj is RtfFont)) {
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return false;
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}
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RtfFont font = (RtfFont) obj;
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bool result = true;
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result = result & this.fontName.Equals(font.GetFontName());
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return result;
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}
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/**
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* Returns the hash code of this RtfFont. The hash code is the hash code of the
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* string containing the font name + font size + "-" + the font style + "-" + the
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* font super/supscript value.
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*
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* @return The hash code of this RtfFont
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*/
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public override int GetHashCode() {
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return (this.fontName + this.fontSize + "-" + this.fontStyle).GetHashCode();
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}
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/**
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* Gets the font name of this RtfFont
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*
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* @return The font name
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*/
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public String GetFontName() {
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return this.fontName;
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}
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/**
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* Sets the font name of this RtfFont.
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*
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* @param fontName The font name to use
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*/
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public virtual void SetFontName(String fontName) {
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this.fontName = fontName;
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if(document != null) {
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this.fontNumber = document.GetDocumentHeader().GetFontNumber(this);
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}
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}
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/**
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* @see com.lowagie.text.Font#getFamilyname()
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*/
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public override String Familyname {
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get {
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|
return this.fontName;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see com.lowagie.text.Font#setFamily(String)
|
|
*/
|
|
public override void SetFamily(String family){
|
|
base.SetFamily(family);
|
|
SetToDefaultFamily(family);
|
|
}
|
|
|
|
/**
|
|
* Sets the correct font name from the family name.
|
|
*
|
|
* @param familyname The family name to set the name to.
|
|
*/
|
|
private void SetToDefaultFamily(String familyname){
|
|
switch (Font.GetFamilyIndex(familyname)) {
|
|
case Font.COURIER:
|
|
this.fontName = "Courier";
|
|
break;
|
|
case Font.HELVETICA:
|
|
this.fontName = "Arial";
|
|
break;
|
|
case Font.SYMBOL:
|
|
this.fontName = "Symbol";
|
|
this.charset = 2;
|
|
break;
|
|
case Font.TIMES_ROMAN:
|
|
this.fontName = "Times New Roman";
|
|
break;
|
|
case Font.ZAPFDINGBATS:
|
|
this.fontName = "Windings";
|
|
break;
|
|
default:
|
|
this.fontName = familyname;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the font size of this RtfFont
|
|
*
|
|
* @return The font size
|
|
*/
|
|
public int GetFontSize() {
|
|
return this.fontSize;
|
|
}
|
|
|
|
/**
|
|
* @see com.lowagie.text.Font#setSize(float)
|
|
*/
|
|
public override float Size {
|
|
set {
|
|
base.Size = value;
|
|
this.fontSize = (int)Size;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the font style of this RtfFont
|
|
*
|
|
* @return The font style
|
|
*/
|
|
public int GetFontStyle() {
|
|
return this.fontStyle;
|
|
}
|
|
|
|
/**
|
|
* @see com.lowagie.text.Font#setStyle(int)
|
|
*/
|
|
public override void SetStyle(int style){
|
|
base.SetStyle(style);
|
|
this.fontStyle = Style;
|
|
}
|
|
|
|
/**
|
|
* @see com.lowagie.text.Font#setStyle(String)
|
|
*/
|
|
public override void SetStyle(String style) {
|
|
base.SetStyle(style);
|
|
fontStyle = Style;
|
|
}
|
|
|
|
/**
|
|
* Gets the charset used for constructing this RtfFont.
|
|
*
|
|
* @return The charset of this RtfFont.
|
|
*/
|
|
public int GetCharset() {
|
|
return charset;
|
|
}
|
|
|
|
/**
|
|
* Sets the charset used for constructing this RtfFont.
|
|
*
|
|
* @param charset The charset to use.
|
|
*/
|
|
public void SetCharset(int charset) {
|
|
this.charset = charset;
|
|
}
|
|
|
|
/**
|
|
* Gets the font number of this RtfFont
|
|
*
|
|
* @return The font number
|
|
*/
|
|
public int GetFontNumber() {
|
|
return fontNumber;
|
|
}
|
|
|
|
/**
|
|
* Sets the RtfDocument this RtfFont belongs to
|
|
*
|
|
* @param doc The RtfDocument to use
|
|
*/
|
|
public void SetRtfDocument(RtfDocument doc) {
|
|
this.document = doc;
|
|
if (document != null) {
|
|
this.fontNumber = document.GetDocumentHeader().GetFontNumber(this);
|
|
}
|
|
if (this.color != null) {
|
|
this.color.SetRtfDocument(this.document);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Unused
|
|
* @param inTable
|
|
*/
|
|
public void SetInTable(bool inTable) {
|
|
}
|
|
|
|
/**
|
|
* Unused
|
|
* @param inHeader
|
|
*/
|
|
public void SetInHeader(bool inHeader) {
|
|
}
|
|
|
|
/**
|
|
* @see com.lowagie.text.Font#setColor(Color)
|
|
*/
|
|
public override Color Color {
|
|
set {
|
|
base.Color = value;
|
|
if(value != null) {
|
|
this.color = new RtfColor(document, value);
|
|
} else {
|
|
this.color = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see com.lowagie.text.Font#setColor(int, int, int)
|
|
*/
|
|
public override void SetColor(int red, int green, int blue) {
|
|
base.SetColor(red,green,blue);
|
|
this.color = new RtfColor(document, red, green, blue);
|
|
}
|
|
|
|
/**
|
|
* Transforms an integer into its String representation and then returns the bytes
|
|
* of that string.
|
|
*
|
|
* @param i The integer to convert
|
|
* @return A byte array representing the integer
|
|
*/
|
|
protected byte[] IntToByteArray(int i) {
|
|
return DocWriter.GetISOBytes(i.ToString());
|
|
}
|
|
|
|
/**
|
|
* Replaces the attributes that are equal to <VAR>null</VAR> with
|
|
* the attributes of a given font.
|
|
*
|
|
* @param font The surrounding font
|
|
* @return A RtfFont
|
|
*/
|
|
public override Font Difference(Font font) {
|
|
String dFamilyname = font.Familyname;
|
|
if (dFamilyname == null || dFamilyname.Trim().Equals("") || Util.EqualsIgnoreCase(dFamilyname.Trim(), "unknown")) {
|
|
dFamilyname = this.fontName;
|
|
}
|
|
|
|
float dSize = font.Size;
|
|
if (dSize == Font.UNDEFINED) {
|
|
dSize = this.Size;
|
|
}
|
|
|
|
int dStyle = Font.UNDEFINED;
|
|
if (this.Style != Font.UNDEFINED && font.Style != Font.UNDEFINED) {
|
|
dStyle = this.Style | font.Style;
|
|
} else if (this.Style != Font.UNDEFINED) {
|
|
dStyle = this.Style;
|
|
} else if (font.Style != Font.UNDEFINED) {
|
|
dStyle = font.Style;
|
|
}
|
|
|
|
Color dColor = font.Color;
|
|
if (dColor == null) {
|
|
dColor = this.Color;
|
|
}
|
|
|
|
int dCharset = this.charset;
|
|
if(font is RtfFont) {
|
|
dCharset = ((RtfFont)font).GetCharset();
|
|
}
|
|
|
|
return new RtfFont(dFamilyname, dSize, dStyle, dColor, dCharset);
|
|
}
|
|
|
|
/**
|
|
* The <code>RtfFont</code> is never a standard font.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
public override bool IsStandardFont() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Compares this <code>RtfFont</code> to either a {@link com.lowagie.text.Font} or
|
|
* an <code>RtfFont</code>.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
public override int CompareTo(Object obj) {
|
|
if (obj == null) {
|
|
return -1;
|
|
}
|
|
if(obj is RtfFont) {
|
|
if(this.GetFontName().CompareTo(((RtfFont) obj).GetFontName()) != 0) {
|
|
return 1;
|
|
} else {
|
|
return base.CompareTo(obj);
|
|
}
|
|
} else if (obj is Font) {
|
|
return base.CompareTo(obj);
|
|
} else {
|
|
return -3;
|
|
}
|
|
}
|
|
}
|
|
} |