public static string ConvertRtf2Html(StreamReader rtfStream)
{
// image converter
// convert all images to JPG
RtfVisualImageAdapter imageAdapter =
new RtfVisualImageAdapter(ImageFormat.Jpeg);
RtfImageConvertSettings imageConvertSettings =
new RtfImageConvertSettings(imageAdapter);
imageConvertSettings.ScaleImage = true; // scale images
RtfImageConverter imageConverter =
new RtfImageConverter(imageConvertSettings);
RtfParserListenerStructureBuilder structureBuilder = new RtfParserListenerStructureBuilder();
RtfParser parser = new RtfParser(structureBuilder);
IRtfGroup rtfStructure;
parser.IgnoreContentAfterRootGroup = true; // support WordPad documents
parser.Parse(new RtfSource(rtfStream));
rtfStructure = structureBuilder.StructureRoot;
// interpreter
IRtfDocument rtfDocument = InterpretRtf(rtfStructure);
// html converter
RtfHtmlConvertSettings htmlConvertSettings =
new RtfHtmlConvertSettings(imageAdapter);
htmlConvertSettings.StyleSheetLinks.Add("default.css");
RtfHtmlConverter htmlConverter = new RtfHtmlConverter(rtfDocument,
htmlConvertSettings);
return htmlConverter.Convert();
}
} // RtfHtmlConverter
// ----------------------------------------------------------------------
public RtfHtmlConverter(IRtfDocument rtfDocument, RtfHtmlConvertSettings settings)
{
if (rtfDocument == null)
{
throw new ArgumentNullException("rtfDocument");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
this.rtfDocument = rtfDocument;
this.settings = settings;
} // RtfHtmlConverter
// ----------------------------------------------------------------------
public RtfHtmlConverter( IRtfDocument rtfDocument, RtfHtmlConvertSettings settings )
{
if ( rtfDocument == null )
{
throw new ArgumentNullException( "rtfDocument" );
}
if ( settings == null )
{
throw new ArgumentNullException( "settings" );
}
this.rtfDocument = rtfDocument;
this.settings = settings;
specialCharacters = new RtfHtmlSpecialCharCollection( settings.SpecialCharsRepresentation );
}
} // RtfHtmlConverter
// ----------------------------------------------------------------------
public RtfHtmlConverter(IRtfDocument rtfDocument, RtfHtmlConvertSettings settings)
{
if (rtfDocument == null)
{
throw new ArgumentNullException("rtfDocument");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
this.rtfDocument = rtfDocument;
this.settings = settings;
specialCharacters = new RtfHtmlSpecialCharCollection(settings.SpecialCharsRepresentation);
} // RtfHtmlConverter
} // RtfHtmlConverter
public RtfHtmlConverter(IRtfDocument rtfDocument, RtfHtmlConvertSettings settings)
{
if (rtfDocument == null)
{
throw new ArgumentNullException(nameof(rtfDocument));
}
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
RtfDocument = rtfDocument;
Settings = settings;
SpecialCharacters = new RtfHtmlSpecialCharCollection(settings.SpecialCharsRepresentation);
} // RtfHtmlConverter
private static string ConvertRtfToHtml(string rtfText)
{
IRtfDocument rtfDocument = RtfInterpreterTool.BuildDoc(rtfText);
RtfHtmlConvertSettings settings = new RtfHtmlConvertSettings();
settings.ConvertScope = RtfHtmlConvertScope.Content;
RtfHtmlConverter htmlConverter = new RtfHtmlConverter(rtfDocument, settings);
return htmlConverter.Convert();
}
// ----------------------------------------------------------------------
private string ConvertHmtl( IRtfDocument rtfDocument, IRtfVisualImageAdapter imageAdapter )
{
string html;
try
{
RtfHtmlConvertSettings htmlConvertSettings = new RtfHtmlConvertSettings( imageAdapter );
if ( settings.CharacterSet != null )
{
htmlConvertSettings.CharacterSet = settings.CharacterSet;
}
htmlConvertSettings.Title = settings.SourceFileNameWithoutExtension;
htmlConvertSettings.ImagesPath = settings.ImagesPath;
htmlConvertSettings.IsShowHiddenText = settings.ShowHiddenText;
htmlConvertSettings.UseNonBreakingSpaces = settings.UseNonBreakingSpaces;
if ( settings.ConvertScope != RtfHtmlConvertScope.None )
{
htmlConvertSettings.ConvertScope = settings.ConvertScope;
}
if ( !string.IsNullOrEmpty( settings.StyleSheets ) )
{
string[] styleSheets = settings.StyleSheets.Split( ',' );
htmlConvertSettings.StyleSheetLinks.AddRange( styleSheets );
}
htmlConvertSettings.ConvertVisualHyperlinks = settings.ConvertVisualHyperlinks;
if ( !string.IsNullOrEmpty( settings.VisualHyperlinkPattern ) )
{
htmlConvertSettings.VisualHyperlinkPattern = settings.VisualHyperlinkPattern;
}
htmlConvertSettings.SpecialCharsRepresentation = settings.SpecialCharsRepresentation;
RtfHtmlConverter htmlConverter = new RtfHtmlConverter( rtfDocument, htmlConvertSettings );
html = htmlConverter.Convert();
}
catch ( Exception e )
{
Console.WriteLine( "error while converting to html: " + e.Message );
ExitCode = ProgramExitCode.ConvertHtml;
return null;
}
return html;
}
