public void Draw(IBatchedDrawingService drawingService, IDocumentView <TDocument> view)
{
if (Offset == null || EndOffset == null)
{
return;
}
Rectangle start;
view.ModelToView(Offset.Offset, out start);
if (Offset.Bias == Bias.Backward)
{
start.Width = 0;
}
Rectangle end;
view.ModelToView(EndOffset.Offset, out end);
if (EndOffset.Bias == Bias.Backward)
{
end.Width = 0;
}
var bounds = view.LayoutRect;
if (start.Y == end.Y)
{
// same line. Can take shortcut ..
drawingService.FillRect(start.Union(end), Color);
}
else
{
// draw first line
drawingService.FillRect(new Rectangle(start.X, start.Y, bounds.Right - start.X, start.Height), Color);
// draw inbetween lines using the full view-width as bounds
drawingService.FillRect(new Rectangle(bounds.X, start.Bottom, bounds.Width, end.Y - start.Bottom), Color);
// draw last line
drawingService.FillRect(new Rectangle(bounds.X, end.Y, end.Right - bounds.X, end.Height), Color);
}
}
