internal void SetSnapshotAndUpdate(ITextSnapshot snapshot, double deltaX, double deltaY,
IList <ITextViewLine> newOrReformattedLines, IList <ITextViewLine> translatedLines)
{
//Go through all the added visuals and invalidate or transform as appropriate.
List <AdornmentAndData> newVisuals = new List <AdornmentAndData>(_elements.Count);
for (int i = 0; (i < _elements.Count); ++i)
{
AdornmentAndData data = _elements[i];
if (!data.VisualSpan.HasValue)
{
newVisuals.Add(data);
if (data.Behavior == AdornmentPositioningBehavior.ViewportRelative)
{
data.Translate(deltaX, deltaY);
}
}
else
{
data.SetSnapshot(snapshot);
SnapshotSpan span = data.VisualSpan.Value;
if ((!_view.TextViewLines.IntersectsBufferSpan(span)) ||
(GetCrossingLine(newOrReformattedLines, span) != null))
{
//Either visual is no longer visible or it crosses a line
//that was reformatted.
this.RemoveTranslatableVisual(data);
}
else
{
newVisuals.Add(data);
switch (data.Behavior)
{
case AdornmentPositioningBehavior.TextRelative:
case (AdornmentPositioningBehavior)(AdornmentPositioningBehavior2.TextRelativeVerticalOnly):
{
ITextViewLine line = GetCrossingLine(translatedLines, span);
if (line != null)
{
data.Translate((data.Behavior == AdornmentPositioningBehavior.TextRelative)
? 0.0
: deltaX, line.DeltaY);
}
else if (data.Behavior == (AdornmentPositioningBehavior)(AdornmentPositioningBehavior2.TextRelativeVerticalOnly))
{
data.Translate(deltaX, 0.0);
}
break;
}
case AdornmentPositioningBehavior.ViewportRelative:
{
data.Translate(deltaX, deltaY);
break;
}
}
}
}
}
_elements = newVisuals;
}
