/// <inheritdoc />
public override TextSpan <CultureSpecificCharacterBufferRange> GetPrecedingText(int textSourceCharacterIndexLimit)
{
Debug.WriteLine($"{nameof(GetPrecedingText)}: {textSourceCharacterIndexLimit}");
var span = Spans.FirstOrDefault(z => z.Value.StartIndex + z.Value.Length == textSourceCharacterIndexLimit);
if (span != null)
{
return(new TextSpan <CultureSpecificCharacterBufferRange>(span.Length, new CultureSpecificCharacterBufferRange(CultureInfo.CurrentUICulture, new CharacterBufferRange(TextBuffer, span.Value.StartIndex, span.Length))));
}
span = Spans.LastOrDefault(z => z.Value.StartIndex < textSourceCharacterIndexLimit);
var offset = (span.Value.StartIndex + span.Value.Length);
return(new TextSpan <CultureSpecificCharacterBufferRange>(offset - textSourceCharacterIndexLimit, new CultureSpecificCharacterBufferRange(CultureInfo.CurrentUICulture, new CharacterBufferRange(TextBuffer, offset, offset - textSourceCharacterIndexLimit))));
}
/// <inheritdoc />
public override TextRun GetTextRun(int textSourceCharacterIndex)
{
Debug.WriteLine($"{nameof(GetTextRun)}: {textSourceCharacterIndex}");
var span = Spans.FirstOrDefault(z => z.Value.StartIndex + z.Value.Length > textSourceCharacterIndex);
if (span == null)
{
return(OnEnd(textSourceCharacterIndex));
}
// var textRunProperties = new Modifier(span.Length,p);
if (OnGenericCharacters(textSourceCharacterIndex, out var customTextCharacters1, span.Value.StartIndex))
{
return(customTextCharacters1);
}
// var typeface = CurrentRendering.Typeface;
var v = span.Value;
// var typeface1 = new Typeface(typeface.FontFamily,v.FontStyle,typeface.Weight, typeface.Stretch);
// var fontRendering = FontRendering.CreateInstance(CurrentRendering.FontSize, CurrentRendering.TextAlignment, CurrentRendering.TextDecorations, CurrentRendering.TextColor, typeface1);
var textRunProperties = v.TextRunProperties ?? BasicProps();
var paragraphProperties = v.ParagraphProperties;
if (v.EndOfParagraph)
{
return(EndOfParagraph(v));
}
if (v.StartParagraph)
{
return(new TextModifier1(v.Length, textRunProperties));
}
if (v.EmbeddedObject != null)
{
return(v.EmbeddedObject);
}
var count = span.Length - (textSourceCharacterIndex - v.StartIndex);
if (count == 0)
{
}
return(new TextCharacters(TextBuffer !, textSourceCharacterIndex,
count, textRunProperties));
}