From fae2205ff82857e94812675bd964ad7f4ca19eb2 Mon Sep 17 00:00:00 2001
From: Maarten Balliauw <maarten@maartenballiauw.be>
Date: Tue, 10 May 2022 13:31:42 +0200
Subject: [PATCH] Reduce creation of new arrays in Queue<T>

---
 QuestPDF/Elements/Table/Table.cs    |  4 +++-
 QuestPDF/Elements/Text/TextBlock.cs | 15 ++++++++++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/QuestPDF/Elements/Table/Table.cs b/QuestPDF/Elements/Table/Table.cs
index 4a33c25..6663f50 100644
--- a/QuestPDF/Elements/Table/Table.cs
+++ b/QuestPDF/Elements/Table/Table.cs
@@ -42,7 +42,9 @@ namespace QuestPDF.Elements.Table
 
         public void ResetState()
         {
-            Cells.ForEach(x => x.IsRendered = false);
+            foreach (var x in Cells)
+                x.IsRendered = false;
+            
             CurrentRow = 1;
         }
 
diff --git a/QuestPDF/Elements/Text/TextBlock.cs b/QuestPDF/Elements/Text/TextBlock.cs
index 5028f9e..afac0a5 100644
--- a/QuestPDF/Elements/Text/TextBlock.cs
+++ b/QuestPDF/Elements/Text/TextBlock.cs
@@ -20,7 +20,20 @@ namespace QuestPDF.Elements.Text
 
         public void ResetState()
         {
-            RenderingQueue = new Queue<ITextBlockItem>(Items);
+            // ReSharper disable once ConditionIsAlwaysTrueOrFalseAccordingToNullableAPIContract
+            // Create queue when we don't have one yet, otherwise clear the existing one so it re-uses the internal array under the hood.
+            if (RenderingQueue == null)
+            {
+                RenderingQueue = new Queue<ITextBlockItem>(Items);
+            }
+            else
+            {
+                RenderingQueue.Clear();
+            
+                foreach (var item in Items)
+                    RenderingQueue.Enqueue(item);
+            }
+            
             CurrentElementIndex = 0;
         }