public void Draw(TextView textView, DrawingContext dc)
{
var messages = BuildDetailMessages.ToLookup(x => x.StartLine);
var pen = Caches.GetPen(ByteColor.Tomato, 2);
var lineNo = 0;
foreach (var visualLine in textView.VisualLines)
{
if (messages.Contains(lineNo))
{
foreach (var message in messages[lineNo])
{
var end = message.EndCharacter;
if (end == message.StartCharacter)
{
++end;
}
var segments = BackgroundGeometryBuilder.GetRectsFromVisualSegment(
textView,
visualLine,
message.StartCharacter,
end);
foreach (var segment in segments)
{
dc.DrawLine(
pen,
new Point(segment.Left, segment.Bottom - 1),
new Point(segment.Right, segment.Bottom - 1));
}
}
}
++lineNo;
}
}
internal static Pen GetBorderPen(this FrameworkElement self, ByteColor color) => Caches.GetPen(color, self.RoundLayoutValue(BorderWidth));
