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425
iTechSharp/iTextSharp/text/rtf/document/RtfPageSetting.cs
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425
iTechSharp/iTextSharp/text/rtf/document/RtfPageSetting.cs
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using System;
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using System.IO;
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using iTextSharp.text;
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using iTextSharp.text.rtf;
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/*
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* $Id: RtfPageSetting.cs,v 1.5 2008/05/16 19:30:51 psoares33 Exp $
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*
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*
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* Copyright 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.document {
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/**
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* The RtfPageSetting stores the page size / page margins for a RtfDocument.
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* INTERNAL CLASS - NOT TO BE USED DIRECTLY
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*
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* @version $Id: RtfPageSetting.cs,v 1.5 2008/05/16 19:30:51 psoares33 Exp $
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* @author Mark Hall (Mark.Hall@mail.room3b.eu)
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* @author Thomas Bickel (tmb99@inode.at)
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*/
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public class RtfPageSetting : RtfElement, IRtfExtendedElement {
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/**
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* Constant for the page height
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*/
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private static byte[] PAGE_WIDTH = DocWriter.GetISOBytes("\\paperw");
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/**
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* Constant for the page width
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*/
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private static byte[] PAGE_HEIGHT = DocWriter.GetISOBytes("\\paperh");
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/**
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* Constant for the left margin
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*/
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private static byte[] MARGIN_LEFT = DocWriter.GetISOBytes("\\margl");
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/**
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* Constant for the right margin
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*/
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private static byte[] MARGIN_RIGHT = DocWriter.GetISOBytes("\\margr");
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/**
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* Constant for the top margin
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*/
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private static byte[] MARGIN_TOP = DocWriter.GetISOBytes("\\margt");
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/**
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* Constant for the bottom margin
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*/
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private static byte[] MARGIN_BOTTOM = DocWriter.GetISOBytes("\\margb");
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/**
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* Constant for landscape
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*/
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private static byte[] LANDSCAPE = DocWriter.GetISOBytes("\\lndscpsxn");
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/**
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* Constant for the section page width
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*/
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private static byte[] SECTION_PAGE_WIDTH = DocWriter.GetISOBytes("\\pgwsxn");
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/**
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* Constant for the section page height
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*/
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private static byte[] SECTION_PAGE_HEIGHT = DocWriter.GetISOBytes("\\pghsxn");
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/**
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* Constant for the section left margin
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*/
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private static byte[] SECTION_MARGIN_LEFT = DocWriter.GetISOBytes("\\marglsxn");
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/**
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* Constant for the section right margin
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*/
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private static byte[] SECTION_MARGIN_RIGHT = DocWriter.GetISOBytes("\\margrsxn");
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/**
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* Constant for the section top margin
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*/
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private static byte[] SECTION_MARGIN_TOP = DocWriter.GetISOBytes("\\margtsxn");
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/**
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* Constant for the section bottom margin
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*/
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private static byte[] SECTION_MARGIN_BOTTOM = DocWriter.GetISOBytes("\\margbsxn");
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/**
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* The page width to use
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*/
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private int pageWidth = 11906;
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/**
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* The page height to use
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*/
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private int pageHeight = 16840;
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/**
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* The left margin to use
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*/
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private int marginLeft = 1800;
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/**
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* The right margin to use
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*/
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private int marginRight = 1800;
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/**
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* The top margin to use
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*/
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private int marginTop = 1440;
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/**
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* The bottom margin to use
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*/
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private int marginBottom = 1440;
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/**
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* Whether the page is portrait or landscape
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*/
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private bool landscape = false;
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/**
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* Constructs a new RtfPageSetting object belonging to a RtfDocument.
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*
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* @param doc The RtfDocument this RtfPageSetting belongs to
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*/
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public RtfPageSetting(RtfDocument doc) : base(doc) {
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}
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/**
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* unused
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*/
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public override void WriteContent(Stream outp) {
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}
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/**
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* Writes the page size / page margin 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(PAGE_WIDTH, 0, PAGE_WIDTH.Length);
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result.Write(t = IntToByteArray(pageWidth), 0, t.Length);
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result.Write(PAGE_HEIGHT, 0, PAGE_HEIGHT.Length);
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result.Write(t = IntToByteArray(pageHeight), 0, t.Length);
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result.Write(MARGIN_LEFT, 0, MARGIN_LEFT.Length);
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result.Write(t = IntToByteArray(marginLeft), 0, t.Length);
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result.Write(MARGIN_RIGHT, 0, MARGIN_RIGHT.Length);
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result.Write(t = IntToByteArray(marginRight), 0, t.Length);
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result.Write(MARGIN_TOP, 0, MARGIN_TOP.Length);
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result.Write(t = IntToByteArray(marginTop), 0, t.Length);
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result.Write(MARGIN_BOTTOM, 0, MARGIN_BOTTOM.Length);
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result.Write(t = IntToByteArray(marginBottom), 0, t.Length);
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result.WriteByte((byte)'\n');
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}
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/**
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* Writes the definition part for a new section
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*
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* @return A byte array containing the definition for a new section
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*/
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public void WriteSectionDefinition(Stream result) {
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byte[] t;
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if (landscape) {
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result.Write(LANDSCAPE, 0, LANDSCAPE.Length);
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result.Write(SECTION_PAGE_WIDTH, 0, SECTION_PAGE_WIDTH.Length);
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result.Write(t = IntToByteArray(pageWidth), 0, t.Length);
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result.Write(SECTION_PAGE_HEIGHT, 0, SECTION_PAGE_HEIGHT.Length);
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result.Write(t = IntToByteArray(pageHeight), 0, t.Length);
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result.WriteByte((byte)'\n');
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} else {
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result.Write(SECTION_PAGE_WIDTH, 0, SECTION_PAGE_WIDTH.Length);
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result.Write(t = IntToByteArray(pageWidth), 0, t.Length);
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result.Write(SECTION_PAGE_HEIGHT, 0, SECTION_PAGE_HEIGHT.Length);
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result.Write(t = IntToByteArray(pageHeight), 0, t.Length);
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result.WriteByte((byte)'\n');
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}
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result.Write(SECTION_MARGIN_LEFT, 0, SECTION_MARGIN_LEFT.Length);
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result.Write(t = IntToByteArray(marginLeft), 0, t.Length);
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result.Write(SECTION_MARGIN_RIGHT, 0, SECTION_MARGIN_RIGHT.Length);
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result.Write(t = IntToByteArray(marginRight), 0, t.Length);
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result.Write(SECTION_MARGIN_TOP, 0, SECTION_MARGIN_TOP.Length);
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result.Write(t = IntToByteArray(marginTop), 0, t.Length);
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result.Write(SECTION_MARGIN_BOTTOM, 0, SECTION_MARGIN_BOTTOM.Length);
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result.Write(t = IntToByteArray(marginBottom), 0, t.Length);
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}
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/**
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* Gets the bottom margin
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*
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* @return Returns the bottom margin
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*/
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public int GetMarginBottom() {
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return marginBottom;
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}
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/**
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* Sets the bottom margin
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*
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* @param marginBottom The bottom margin to use
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*/
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public void SetMarginBottom(int marginBottom) {
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this.marginBottom = marginBottom;
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}
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/**
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* Gets the left margin
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*
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* @return Returns the left margin
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*/
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public int GetMarginLeft() {
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return marginLeft;
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}
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/**
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* Sets the left margin to use
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*
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* @param marginLeft The left margin to use
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*/
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public void SetMarginLeft(int marginLeft) {
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this.marginLeft = marginLeft;
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}
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/**
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* Gets the right margin
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*
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* @return Returns the right margin
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*/
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public int GetMarginRight() {
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return marginRight;
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}
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/**
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* Sets the right margin to use
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*
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* @param marginRight The right margin to use
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*/
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public void SetMarginRight(int marginRight) {
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this.marginRight = marginRight;
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}
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/**
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* Gets the top margin
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*
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* @return Returns the top margin
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*/
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public int GetMarginTop() {
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return marginTop;
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}
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/**
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* Sets the top margin to use
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*
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* @param marginTop The top margin to use
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*/
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public void SetMarginTop(int marginTop) {
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this.marginTop = marginTop;
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}
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/**
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* Gets the page height
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*
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* @return Returns the page height
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*/
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public int GetPageHeight() {
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return pageHeight;
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}
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/**
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* Sets the page height to use
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*
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* @param pageHeight The page height to use
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*/
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public void SetPageHeight(int pageHeight) {
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this.pageHeight = pageHeight;
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}
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/**
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* Gets the page width
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*
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* @return Returns the page width
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*/
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public int GetPageWidth() {
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return pageWidth;
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}
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/**
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* Sets the page width to use
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*
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* @param pageWidth The page width to use
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*/
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public void SetPageWidth(int pageWidth) {
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this.pageWidth = pageWidth;
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}
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/**
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* Set the page size to use. This method will use guessFormat to try to guess the correct
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* page format. If no format could be guessed, the sizes from the pageSize are used and
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* the landscape setting is determined by comparing width and height;
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*
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* @param pageSize The pageSize to use
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*/
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public void SetPageSize(Rectangle pageSize) {
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if (!GuessFormat(pageSize, false)) {
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this.pageWidth = (int) (pageSize.Width * TWIPS_FACTOR);
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this.pageHeight = (int) (pageSize.Height * TWIPS_FACTOR);
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this.landscape = pageWidth > pageHeight;
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}
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}
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/**
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* This method tries to fit the <code>Rectangle pageSize</code> to one of the predefined PageSize rectangles.
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* If a match is found the pageWidth and pageHeight will be set according to values determined from files
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* generated by MS Word2000 and OpenOffice 641. If no match is found the method will try to match the rotated
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* Rectangle by calling itself with the parameter rotate set to true.
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*
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* @param pageSize the page size for which to guess the correct format
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* @param rotate Whether we should try to rotate the size befor guessing the format
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* @return <code>True</code> if the format was guessed, <code>false/<code> otherwise
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*/
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private bool GuessFormat(Rectangle pageSize, bool rotate) {
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if (rotate) {
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pageSize = pageSize.Rotate();
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}
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if (RectEquals(pageSize, PageSize.A3)) {
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pageWidth = 16837;
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pageHeight = 23811;
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landscape = rotate;
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return true;
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}
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if (RectEquals(pageSize, PageSize.A4)) {
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pageWidth = 11907;
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pageHeight = 16840;
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landscape = rotate;
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return true;
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}
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if (RectEquals(pageSize, PageSize.A5)) {
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pageWidth = 8391;
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pageHeight = 11907;
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landscape = rotate;
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return true;
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}
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if (RectEquals(pageSize, PageSize.A6)) {
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pageWidth = 5959;
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pageHeight = 8420;
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landscape = rotate;
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return true;
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}
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if (RectEquals(pageSize, PageSize.B4)) {
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pageWidth = 14570;
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pageHeight = 20636;
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landscape = rotate;
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return true;
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}
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if (RectEquals(pageSize, PageSize.B5)) {
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pageWidth = 10319;
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pageHeight = 14572;
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landscape = rotate;
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return true;
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}
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if (RectEquals(pageSize, PageSize.HALFLETTER)) {
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pageWidth = 7927;
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pageHeight = 12247;
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landscape = rotate;
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return true;
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}
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if (RectEquals(pageSize, PageSize.LETTER)) {
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pageWidth = 12242;
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pageHeight = 15842;
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landscape = rotate;
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return true;
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}
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if (RectEquals(pageSize, PageSize.LEGAL)) {
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pageWidth = 12252;
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pageHeight = 20163;
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landscape = rotate;
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return true;
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}
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if (!rotate && GuessFormat(pageSize, true)) {
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int x = pageWidth;
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pageWidth = pageHeight;
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pageHeight = x;
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return true;
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}
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return false;
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}
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/**
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* This method compares to Rectangles. They are considered equal if width and height are the same
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*
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* @param rect1 The first Rectangle to compare
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* @param rect2 The second Rectangle to compare
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* @return <code>True</code> if the Rectangles equal, <code>false</code> otherwise
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*/
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private static bool RectEquals(Rectangle rect1, Rectangle rect2) {
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return (rect1.Width == rect2.Width) && (rect1.Height == rect2.Height);
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}
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}
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}
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Reference in New Issue
Block a user