From 53d07db9c02e82b35a20079f7f1473eb80a30c8d Mon Sep 17 00:00:00 2001
From: "Valeriano A.R" <valen.alfonso@gmail.com>
Date: Sun, 27 Oct 2019 13:11:40 +0100
Subject: [PATCH] Use Rect class for size definition of TextElements and pages.

---
 VAR.PdfTools/Maths/Rect.cs       | 25 +++++++++++++++++++++++++
 VAR.PdfTools/PdfTextElement.cs   | 13 +++++++++++++
 VAR.PdfTools/PdfTextExtractor.cs | 12 ++++++++++++
 VAR.PdfTools/VAR.PdfTools.csproj |  1 +
 4 files changed, 51 insertions(+)
 create mode 100644 VAR.PdfTools/Maths/Rect.cs

diff --git a/VAR.PdfTools/Maths/Rect.cs b/VAR.PdfTools/Maths/Rect.cs
new file mode 100644
index 0000000..e03246a
--- /dev/null
+++ b/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; }
+        }
+
+    }
+}
diff --git a/VAR.PdfTools/PdfTextElement.cs b/VAR.PdfTools/PdfTextElement.cs
index 916c246..c780b62 100644
--- a/VAR.PdfTools/PdfTextElement.cs
+++ b/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
     }
 
diff --git a/VAR.PdfTools/PdfTextExtractor.cs b/VAR.PdfTools/PdfTextExtractor.cs
index 2df7519..a065031 100644
--- a/VAR.PdfTools/PdfTextExtractor.cs
+++ b/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);
diff --git a/VAR.PdfTools/VAR.PdfTools.csproj b/VAR.PdfTools/VAR.PdfTools.csproj
index fa528c5..ca0fd9d 100644
--- a/VAR.PdfTools/VAR.PdfTools.csproj
+++ b/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" />