From f86cc582ab769c82cfab4e455db0cb53a8ce7e05 Mon Sep 17 00:00:00 2001
From: BobLd <38405645+BobLd@users.noreply.github.com>
Date: Sun, 5 Jan 2025 16:38:09 +0000
Subject: [PATCH] Execute RemoveStridePadding in place when possible

---
 src/UglyToad.PdfPig/Images/ColorSpaceDetailsByteConverter.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/UglyToad.PdfPig/Images/ColorSpaceDetailsByteConverter.cs b/src/UglyToad.PdfPig/Images/ColorSpaceDetailsByteConverter.cs
index 277bccb3..93645845 100644
--- a/src/UglyToad.PdfPig/Images/ColorSpaceDetailsByteConverter.cs
+++ b/src/UglyToad.PdfPig/Images/ColorSpaceDetailsByteConverter.cs
@@ -87,7 +87,10 @@
 
         private static Span<byte> RemoveStridePadding(Span<byte> input, int strideWidth, int imageWidth, int imageHeight, int multiplier)
         {
-            Span<byte> result = new byte[imageWidth * imageHeight * multiplier];
+            int size = imageWidth * imageHeight * multiplier;
+            Span<byte> result = size < input.Length ? input.Slice(0, size) : new byte[size];
+            // See PDFBOX-492-4.jar-8.pdf, page 2 for size > input.Length
+
             for (int y = 0; y < imageHeight; y++)
             {
                 int sourceIndex = y * strideWidth;