Handle null state in SetNamedGraphicsState (see UglyToad/PdfPig#874)

BobLd · Aug 22, 2024 · 3056bc9 · 3056bc9
1 parent 2eb09bf
commit 3056bc9
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diff --git a/Caly.Pdf/TextLayer/TextLayerNoDupStreamProcessor.cs b/Caly.Pdf/TextLayer/TextLayerNoDupStreamProcessor.cs
@@ -176,6 +176,11 @@ public override void SetNamedGraphicsState(NameToken stateName)
         {
             var state = ResourceStore.GetExtendedGraphicsStateDictionary(stateName);
 
+            if (state is null)
+            {
+                return;
+            }
+
             // Only do text related ngs
 
             if (state.TryGet(NameToken.Font, PdfScanner, out ArrayToken? fontArray) && fontArray.Length == 2

diff --git a/Caly.Pdf/TextLayer/TextLayerStreamProcessor.cs b/Caly.Pdf/TextLayer/TextLayerStreamProcessor.cs
@@ -161,6 +161,11 @@ public override void SetNamedGraphicsState(NameToken stateName)
         {
             var state = ResourceStore.GetExtendedGraphicsStateDictionary(stateName);
 
+            if (state is null)
+            {
+                return;
+            }
+
             // Only do text related ngs
 
             if (state.TryGet(NameToken.Font, PdfScanner, out ArrayToken? fontArray) && fontArray.Length == 2