In Content:

- Adding a 'Line' of text object
  - Adding a 'TextDirection' property in the 'Word' object

In Geometry:
  - Adding a 'PdfLine' object
  - Making the 'PdfRectangle' creator public

src/UglyToad.PdfPig/Geometry/PdfLine.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace UglyToad.PdfPig.Geometry
+{
+    /// <summary>
+    /// A line in a PDF file. 
+    /// </summary>
+    /// <remarks>
+    /// PDF coordinates are defined with the origin at the lower left (0, 0).
+    /// The Y-axis extends vertically upwards and the X-axis horizontally to the right.
+    /// Unless otherwise specified on a per-page basis, units in PDF space are equivalent to a typographic point (1/72 inch).
+    /// </remarks>
+    public struct PdfLine
+    {
+        /// <summary>
+        /// First point of the line.
+        /// </summary>
+        public PdfPoint Point1 { get; }
+
+        /// <summary>
+        /// Second point of the line.
+        /// </summary>
+        public PdfPoint Point2 { get; }
+
+        /// <summary>
+        /// A line in a PDF file. 
+        /// </summary>
+        /// <param name="x1"></param>
+        /// <param name="y1"></param>
+        /// <param name="x2"></param>
+        /// <param name="y2"></param>
+        public PdfLine(decimal x1, decimal y1, decimal x2, decimal y2) : this(new PdfPoint(x1, y1), new PdfPoint(x2, y2)) { }
+
+        /// <summary>
+        /// A line in a PDF file. 
+        /// </summary>
+        /// <param name="point1">First point of the line.</param>
+        /// <param name="point2">Second point of the line.</param>
+        public PdfLine(PdfPoint point1, PdfPoint point2)
+        {
+            Point1 = point1;
+            Point2 = point2;
+        }
+    }
+}