From 48522ae1a5fa41c875cea0a78b471a11e90c3374 Mon Sep 17 00:00:00 2001
From: Eliot Jones <elioty@hotmail.co.uk>
Date: Sun, 19 Jul 2020 14:36:11 +0100
Subject: [PATCH] support indirect name tokens for cidtogidmap in cid fonts
 #191

---
 .../PdfFonts/Parser/Parts/CidFontFactory.cs                | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/UglyToad.PdfPig/PdfFonts/Parser/Parts/CidFontFactory.cs b/src/UglyToad.PdfPig/PdfFonts/Parser/Parts/CidFontFactory.cs
index 01f11a96..01f9d175 100644
--- a/src/UglyToad.PdfPig/PdfFonts/Parser/Parts/CidFontFactory.cs
+++ b/src/UglyToad.PdfPig/PdfFonts/Parser/Parts/CidFontFactory.cs
@@ -291,12 +291,15 @@
                 return new CharacterIdentifierToGlyphIndexMap();
             }
 
-            if (entry is NameToken)
+            if (DirectObjectFinder.TryGet(entry, pdfScanner, out NameToken _))
             {
                 return new CharacterIdentifierToGlyphIndexMap();
             }
 
-            var stream = DirectObjectFinder.Get<StreamToken>(entry, pdfScanner);
+            if (!DirectObjectFinder.TryGet(entry, pdfScanner, out StreamToken stream))
+            {
+                throw new PdfDocumentFormatException($"No stream or name token found for /CIDToGIDMap in dictionary: {dictionary}.");
+            }
 
             var bytes = stream.Decode(filterProvider);