public void AddTextSpan(EditableRun textRun)
{
if (CurrentLine.IsBlankLine)
{
CurrentLine.AddLast(textRun);
SetCurrentTextRun(textRun);
CurrentLine.TextLineReCalculateActualLineSize();
CurrentLine.RefreshInlineArrange();
SetCurrentCharIndex(CharIndex + textRun.CharacterCount);
}
else
{
if (CurrentTextRun != null)
{
VisualPointInfo newPointInfo = CurrentLine.Split(GetCurrentPointInfo());
if (newPointInfo.IsOnTheBeginOfLine)
{
CurrentLine.AddBefore((EditableRun)newPointInfo.TextRun, textRun);
}
else
{
CurrentLine.AddAfter((EditableRun)newPointInfo.TextRun, textRun);
}
CurrentLine.TextLineReCalculateActualLineSize();
CurrentLine.RefreshInlineArrange();
EnsureCurrentTextRun(CharIndex + textRun.CharacterCount);
}
else
{
throw new NotSupportedException();
}
}
}