Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Documents / XamlRtfConverter.cs / 1 / XamlRtfConverter.cs
//---------------------------------------------------------------------------- // // File: XamlRtfConverter.cs // // Copyright (C) Microsoft Corporation. All rights reserved. // // Description: Xaml-Rtf Converter. // //--------------------------------------------------------------------------- using System.IO; using System.Text; namespace System.Windows.Documents { ////// XamlRtfConverter is a static class that convert from/to rtf content to/from xaml content. /// internal class XamlRtfConverter { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// create new instance of XamlRtfConverter that convert the content between xaml and rtf. /// internal XamlRtfConverter() { } #endregion Constructors // ---------------------------------------------------------------------- // // Internal Methods // // --------------------------------------------------------------------- #region Internal Methods ////// Converts an xaml content to rtf content. /// /// /// The source xaml text content to be converted into Rtf content. /// ////// Well-formed representing rtf equivalent string for the source xaml content. /// internal string ConvertXamlToRtf(string xamlContent) { // Check the parameter validation if (xamlContent == null) { throw new ArgumentNullException("xamlContent"); } string rtfContent = string.Empty; if (xamlContent != string.Empty) { // Creating the converter that process the content data from Xaml to Rtf XamlToRtfWriter xamlToRtfWriter = new XamlToRtfWriter(xamlContent); // Set WpfPayload package that contained the image for the specified Xaml if (WpfPayload != null) { xamlToRtfWriter.WpfPayload = WpfPayload; } // Process the converting from xaml to rtf xamlToRtfWriter.Process(); // Set rtf content that representing resulting from Xaml to Rtf converting. rtfContent = xamlToRtfWriter.Output; } return rtfContent; } ////// Converts an rtf content to xaml content. /// /// /// The source rtf content that to be converted into xaml content. /// ////// Well-formed xml representing XAML equivalent content for the input rtf content string. /// internal string ConvertRtfToXaml(string rtfContent) { // Check the parameter validation if (rtfContent == null) { throw new ArgumentNullException("rtfContent"); } // xaml content to be converted from rtf string xamlContent = string.Empty; if (rtfContent != string.Empty) { // Create RtfToXamlReader instance for converting the content // from rtf to xaml and set ForceParagraph RtfToXamlReader rtfToXamlReader = new RtfToXamlReader(rtfContent); rtfToXamlReader.ForceParagraph = ForceParagraph; // Set WpfPayload package that contained the image for the specified Xaml if (WpfPayload != null) { rtfToXamlReader.WpfPayload = WpfPayload; } //Process the converting from rtf to xaml rtfToXamlReader.Process(); // Set Xaml content string that representing resulting Rtf-Xaml converting xamlContent = rtfToXamlReader.Output; } return xamlContent; } #endregion Internal Methods // ---------------------------------------------------------------------- // // Internal Properties // // ---------------------------------------------------------------------- #region Internal Properties // ForceParagraph property indicates whether ForcePagraph for RtfToXamlReader. internal bool ForceParagraph { get { return _forceParagraph; } set { _forceParagraph = value; } } // WpfPayload package property for getting or placing image data for Xaml content internal WpfPayload WpfPayload { get { return _wpfPayload; } set { _wpfPayload = value; } } #endregion Internal Properties // --------------------------------------------------------------------- // // Internal Fields // // ---------------------------------------------------------------------- #region Internal Fields // Rtf encoding codepage that is 1252 ANSI internal const int RtfCodePage = 1252; #endregion Internal Fields // --------------------------------------------------------------------- // // Private Fields // // --------------------------------------------------------------------- #region Private Fields // Flag that indicate the forcing paragragh for RtfToXamlReader private bool _forceParagraph; // The output WpfPayload package for placing image data into it private WpfPayload _wpfPayload; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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