Use Rect class for size definition of TextElements and pages.

VAR.PdfTools/Maths/Rect.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VAR.PdfTools.Maths
+{
+    public class Rect
+    {
+        public double XMin { get; set; }
+        public double XMax { get; set; }
+        public double YMin { get; set; }
+        public double YMax { get; set; }
+
+        public void Add(Rect rect)
+        {
+            if (rect.XMax > XMax) { XMax = rect.XMax; }
+            if (rect.YMax > YMax) { YMax = rect.YMax; }
+            if (rect.XMin < XMin) { XMin = rect.XMin; }
+            if (rect.YMin < YMin) { YMin = rect.YMin; }
+        }
+
+    }
+}

VAR.PdfTools/PdfTextElement.cs

@@ -87,6 +87,19 @@ namespace VAR.PdfTools
             return Characters.Average(c => c.Width);
         }
 
+        public Rect GetRect()
+        {
+            double x = GetX();
+            double y = GetY();
+            return new Rect
+            {
+                XMin = x,
+                YMax = y,
+                XMax = x + VisibleWidth,
+                YMin = y - VisibleHeight,
+            };
+        }
+
         #endregion
     }
 

VAR.PdfTools/PdfTextExtractor.cs

@@ -652,6 +652,18 @@ namespace VAR.PdfTools
 
         #region Public methods
         
+        public Rect GetRect()
+        {
+            Rect rect = null;
+            foreach (PdfTextElement textElement in _textElements)
+            {
+                Rect elementRect = textElement.GetRect();
+                if (rect == null) { rect = elementRect; }
+                rect.Add(elementRect);
+            }
+            return rect;
+        }
+
         public List<string> GetColumnAsStrings(string column, bool fuzzy =true)
         {
             PdfTextElement columnHead = FindElementByText(column, fuzzy);

VAR.PdfTools/VAR.PdfTools.csproj

@@ -63,6 +63,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Maths\Matrix3x3.cs" />
+    <Compile Include="Maths\Rect.cs" />
     <Compile Include="PdfContentAction.cs" />
     <Compile Include="PdfDocument.cs" />
     <Compile Include="PdfDocumentPage.cs" />