private AccessibilitySnapshot CalculateSnapshot(Line [] selectedLines = null)
{
selection.SelectAll();
// TODO: calc visible char range
var lines = selection.GetSelectedLines();
return(CalculateSnapshot(lines, selectedLines));
}
public AccessibilitySnapshot GetSnapshot()
{
if (cache == null)
{
Line [] selectedLines = null;
if (activeSelection.Active)
{
selectedLines = activeSelection.GetSelectedLines();
}
var result = CalculateSnapshot(selectedLines);
cache = result;
}
return(cache);
}
