/// <summary>
/// Render the new highlights taking into consideration the old highlights
/// (this means that only the differences are actually rendered)
/// </summary>
private void RenderHighlightDiffs(IntervalTree <AtomicHighlight> atomicHighlights)
{
//System.Console.WriteLine("Rendering highlight diffs");
IList <AtomicHighlight> hl = atomicHighlights.GetValues();
foreach (AtomicHighlight h in hl)
{
//System.Console.WriteLine(" Checking {0}", h);
IList <AtomicHighlight> overlaps = prevAtomicHighlights.SearchOverlap(h);
foreach (AtomicHighlight overlap in overlaps)
{
AtomicHighlight hTmp = new AtomicHighlight(h);
hTmp.Intersect(overlap);
AtomicHighlight oTmp = new AtomicHighlight(overlap);
oTmp.Intersect(h);
//System.Console.WriteLine(" Overlaps with {0}", oTmp);
bool diffType = oTmp.Type != hTmp.Type;
Drawer.HighlightType left, right, oleft, oright;
hTmp.GetAbyssHighlights(out left, out right);
oTmp.GetAbyssHighlights(out oleft, out oright);
bool diffAbyss = (left != oleft) || (right != oright);
if (diffType || diffAbyss)
{
//System.Console.Write(diffType?" DiffType> ":" DiffFlags> ");
//System.Console.WriteLine(hTmp);
RenderHighlight(hTmp);
}
}
}
}
/// <summary>
/// Renders a <see cref="Util.Range"/> of data using a specified <see cref="Drawer.HighlightType"/>
/// </summary>
private void RenderHighlight(AtomicHighlight h)
{
Drawer.HighlightType left;
Drawer.HighlightType right;
h.GetAbyssHighlights(out left, out right);
//System.Console.WriteLine(" Rendering {0} ({1} {2})", h, left, right);
foreach (Area a in areas)
{
a.RenderHighlight(h, left, right);
}
}