public static string GenerateRtf(TextArea textArea)
{
RtfWriter.colors = new Dictionary <string, int>();
RtfWriter.colorNum = 0;
RtfWriter.colorString = new StringBuilder();
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("{\\rtf1\\ansi\\ansicpg1252\\deff0\\deflang1031");
RtfWriter.BuildFontTable(textArea.Document, stringBuilder);
stringBuilder.Append('\n');
string str = RtfWriter.BuildFileContent(textArea);
RtfWriter.BuildColorTable(textArea.Document, stringBuilder);
stringBuilder.Append('\n');
stringBuilder.Append("\\viewkind4\\uc1\\pard");
stringBuilder.Append(str);
stringBuilder.Append("}");
return(stringBuilder.ToString());
}
private static string BuildFileContent(TextArea textArea)
{
string str;
StringBuilder stringBuilder = new StringBuilder();
bool flag = true;
Color black = Color.Black;
bool italic = false;
bool bold = false;
bool flag1 = false;
foreach (ISelection selectionCollection in textArea.SelectionManager.SelectionCollection)
{
int offset = textArea.Document.PositionToOffset(selectionCollection.StartPosition);
int num = textArea.Document.PositionToOffset(selectionCollection.EndPosition);
for (int i = selectionCollection.StartPosition.Y; i <= selectionCollection.EndPosition.Y; i++)
{
LineSegment lineSegment = textArea.Document.GetLineSegment(i);
int length = lineSegment.Offset;
if (lineSegment.Words != null)
{
foreach (TextWord word in lineSegment.Words)
{
switch (word.Type)
{
case TextWordType.Word:
{
Color color = word.Color;
if (length + word.Word.Length > offset && length < num)
{
object[] r = new object[] { color.R, ", ", color.G, ", ", color.B };
string str1 = string.Concat(r);
if (!RtfWriter.colors.ContainsKey(str1))
{
int num1 = RtfWriter.colorNum + 1;
RtfWriter.colorNum = num1;
RtfWriter.colors[str1] = num1;
StringBuilder stringBuilder1 = RtfWriter.colorString;
object[] objArray = new object[] { "\\red", color.R, "\\green", color.G, "\\blue", color.B, ";" };
stringBuilder1.Append(string.Concat(objArray));
}
if (color != black || flag)
{
int item = RtfWriter.colors[str1];
stringBuilder.Append(string.Concat("\\cf", item.ToString()));
black = color;
flag1 = true;
}
if (italic != word.Italic)
{
if (!word.Italic)
{
stringBuilder.Append("\\i0");
}
else
{
stringBuilder.Append("\\i");
}
italic = word.Italic;
flag1 = true;
}
if (bold != word.Bold)
{
if (!word.Bold)
{
stringBuilder.Append("\\b0");
}
else
{
stringBuilder.Append("\\b");
}
bold = word.Bold;
flag1 = true;
}
if (flag)
{
stringBuilder.Append(string.Concat("\\f0\\fs", textArea.TextEditorProperties.Font.Size * 2f));
flag = false;
}
if (flag1)
{
stringBuilder.Append(' ');
flag1 = false;
}
if (length >= offset)
{
str = (length + word.Word.Length <= num ? word.Word : word.Word.Substring(0, length + word.Word.Length - num));
}
else
{
str = word.Word.Substring(offset - length);
}
RtfWriter.AppendText(stringBuilder, str);
}
length += word.Length;
continue;
}
case TextWordType.Space:
{
if (selectionCollection.ContainsOffset(length))
{
stringBuilder.Append(' ');
}
length++;
continue;
}
case TextWordType.Tab:
{
if (selectionCollection.ContainsOffset(length))
{
stringBuilder.Append("\\tab");
}
length++;
flag1 = true;
continue;
}
default:
{
continue;
}
}
}
if (length < num)
{
stringBuilder.Append("\\par");
}
stringBuilder.Append('\n');
}
}
}
return(stringBuilder.ToString());
}
