start passing the pdf scanner in to read the type 1 files

src/UglyToad.PdfPig/Tokenization/Scanner/IObjectLocationProvider.cs

@@ -23,18 +23,24 @@
         public ObjectLocationProvider(CrossReferenceTable crossReferenceTable, CosObjectPool pool, BruteForceSearcher searcher)
         {
             this.crossReferenceTable = crossReferenceTable;
+
+            foreach (var offset in crossReferenceTable.ObjectOffsets)
+            {
+                offsets[offset.Key] = offset.Value;
+            }
+
             this.pool = pool;
             this.searcher = searcher;
         }
 
         public bool TryGetOffset(IndirectReference reference, out long offset)
         {
-            throw new System.NotImplementedException();
+            return offsets.TryGetValue(reference, out offset);
         }
 
         public void UpdateOffset(IndirectReference reference, long offset)
         {
-            throw new System.NotImplementedException();
+            offsets[reference] = offset;
         }
     }
 }

src/UglyToad.PdfPig/Tokenization/Scanner/PdfTokenScanner.cs

@@ -1,5 +1,6 @@
 namespace UglyToad.PdfPig.Tokenization.Scanner
 {
+    using System;
     using System.Collections.Generic;
     using System.Diagnostics;
     using System.IO;
@@ -9,7 +10,12 @@
     using Parser.Parts;
     using Tokens;
 
-    internal class PdfTokenScanner : ISeekableTokenScanner
+    internal interface IPdfObjectScanner : ISeekableTokenScanner
+    {
+        ObjectToken Get(IndirectReference reference);
+    }
+
+    internal class PdfTokenScanner : IPdfObjectScanner
     {
         private readonly IInputBytes inputBytes;
         private readonly IObjectLocationProvider objectLocationProvider;
@@ -449,5 +455,22 @@
         {
             coreTokenScanner.DeregisterCustomTokenizer(tokenizer);
         }
+
+        public ObjectToken Get(IndirectReference reference)
+        {
+            if (!objectLocationProvider.TryGetOffset(reference, out var offset))
+            {
+                throw new InvalidOperationException($"Could not find the object with reference: {reference}.");
+            }
+
+            Seek(offset);
+
+            if (!MoveNext())
+            {
+                throw new InvalidOperationException($"Could not parse the object with reference: {reference}.");
+            }
+
+            return (ObjectToken)CurrentToken;
+        }
     }
 }