public void Add(string text, FontAndColorSetting format)
{
SimpleTextRunProperties props;
if (!propMap.TryGetValue(format.GetHashCode(), out props))
{
props = new SimpleTextRunProperties(format);
propMap.Add(format.GetHashCode(), props);
}
var span = new FormattedSpan(textBuilder.Length, text.Length, props);
textBuilder.Append(text);
spans.Add(span);
cache.Change(span.Start, span.Length, 0);
}
public Collection <TextBounds> GetNormalizedTextBounds(SnapshotSpan bufferSpan)
{
if (!IsValid)
{
throw new ObjectDisposedException(nameof(WpfTextViewLineCollection));
}
if (bufferSpan.Snapshot != snapshot)
{
throw new ArgumentException();
}
var span = FormattedSpan.Overlap(bufferSpan);
var list = new List <TextBounds>();
if (span == null)
{
return(new Collection <TextBounds>(list));
}
bool found = false;
for (int i = 0; i < lines.Count; i++)
{
var line = lines[i];
if (line.IntersectsBufferSpan(span.Value))
{
found = true;
if (line.Start >= span.Value.Start && line.EndIncludingLineBreak <= span.Value.End)
{
list.Add(new TextBounds(line.Left, line.Top, line.Width, line.Height, line.TextTop, line.TextHeight));
}
else
{
list.AddRange(line.GetNormalizedTextBounds(span.Value));
}
}
else if (found)
{
break;
}
}
return(new Collection <TextBounds>(list));
}
public bool IntersectsBufferSpan(SnapshotSpan bufferSpan)
{
if (!IsValid)
{
throw new ObjectDisposedException(nameof(WpfTextViewLineCollection));
}
if (bufferSpan.Snapshot != snapshot)
{
throw new ArgumentException();
}
if (FormattedSpan.IntersectsWith(bufferSpan))
{
return(true);
}
if (lines.Count > 0 && lines[lines.Count - 1].IntersectsBufferSpan(bufferSpan))
{
return(true);
}
return(false);
}
public bool ContainsBufferPosition(SnapshotPoint bufferPosition)
{
if (!IsValid)
{
throw new ObjectDisposedException(nameof(WpfTextViewLineCollection));
}
if (bufferPosition.Snapshot != snapshot)
{
throw new ArgumentException();
}
if (FormattedSpan.Contains(bufferPosition))
{
return(true);
}
if (lines.Count > 0 && lines[lines.Count - 1].ContainsBufferPosition(bufferPosition))
{
return(true);
}
return(false);
}
public virtual void VisitFormattedSpan(FormattedSpan formattedSpan)
{
}
