public static IReadOnlyList <IAttributedText> CreateParagraphs(this IAttributedText attributedText)
{
if (attributedText?.Text == null)
{
return(null);
}
List <IAttributedText> paragraphs = new List <IAttributedText>();
int start = 0;
int attributeIndex = 0;
using (var sr = new StringReader(attributedText.Text))
{
string line;
while ((line = sr.ReadLine()) != null)
{
var length = line.Length;
var runs = new List <IAttributedTextRun>();
attributeIndex = attributedText.CreateParagraphRun(start, length, runs, attributeIndex);
var paragraph = new AttributedText(line, runs);
paragraphs.Add(paragraph);
start += length + 1;
}
}
return(paragraphs);
}
internal static List <IAttributedTextRun> OptimizeRuns(this IAttributedText attributedText)
{
if (attributedText?.Text == null)
{
return(null);
}
if (attributedText is AbstractAttributedText abstractAttributedText && abstractAttributedText.Optimal)
{
if (attributedText.Runs == null)
{
return(null);
}
if (attributedText.Runs is List <IAttributedTextRun> list)
{
return(list);
}
return(attributedText.Runs.ToList());
}
var start = 0;
var attributeIndex = 0;
var text = attributedText.Text;
var length = text.Length;
var runs = new List <IAttributedTextRun>();
attributedText.CreateParagraphRun(start, length, runs, attributeIndex);
return(runs);
}
public static IAttributedText Optimize(this IAttributedText attributedText)
{
if (attributedText?.Text == null)
{
return(null);
}
if (attributedText is AbstractAttributedText abstractAttributedText && abstractAttributedText.Optimal)
{
return(attributedText);
}
var start = 0;
var attributeIndex = 0;
var text = attributedText.Text;
var length = text.Length;
var runs = new List <IAttributedTextRun>();
attributedText.CreateParagraphRun(start, length, runs, attributeIndex);
return(new AttributedText(text, runs, true));
}
