Mono.TextEditor.TextViewMargin.DrawIndent C# (CSharp) Method

		void DrawIndent (Cairo.Context cr, LayoutWrapper layout, DocumentLine line, double xPos, double y)
		{
			if (!textEditor.Options.DrawIndentationMarkers)
				return;
			if (line.Length == 0) {
				var nextLine = line.NextLine;
				while (nextLine != null && nextLine.Length == 0)
					nextLine = nextLine.NextLine;
				if (nextLine != null)
					layout = GetLayout (nextLine);
			}
			if (layout.IndentSize == 0)
				return;
			cr.Save ();
			var dotted = new [] { textEditor.Options.Zoom };
			cr.SetDash (dotted, (int)y + textEditor.VAdjustment.Value);
			var top = y;
			var bottom = y + LineHeight;
			if (Caret.Line == line.LineNumber && textEditor.GetTextEditorData ().HighlightCaretLine) {
				top += textEditor.Options.Zoom;
				bottom -= textEditor.Options.Zoom;
			}
			for (int i = 0; i < layout.IndentSize; i += textEditor.Options.IndentationSize) {
				var x = System.Math.Floor (xPos + i * charWidth);
				cr.MoveTo (x + 0.5, top);
				cr.LineTo (x + 0.5, bottom);

				cr.SetSourceColor (ColorStyle.IndentationGuide.Color);
				cr.Stroke ();
			}
			cr.Restore ();
		}