From f170a73d3cb5ae444697031c6cba5f6662223c0b Mon Sep 17 00:00:00 2001
From: Ildar Khayrutdinov <ildarkhairutdin@gmail.com>
Date: Sat, 18 Sep 2021 21:54:16 +0300
Subject: [PATCH] correct reading

---
 src/ImageSharp/Metadata/Profiles/Exif/ExifReader.cs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ImageSharp/Metadata/Profiles/Exif/ExifReader.cs b/src/ImageSharp/Metadata/Profiles/Exif/ExifReader.cs
index 2aa2fa27d9..7a102b3b2c 100644
--- a/src/ImageSharp/Metadata/Profiles/Exif/ExifReader.cs
+++ b/src/ImageSharp/Metadata/Profiles/Exif/ExifReader.cs
@@ -365,9 +365,9 @@ namespace SixLabors.ImageSharp.Metadata.Profiles.Exif
 
             // Issue #132: ExifDataType == Undefined is treated like a byte array.
             // If numberOfComponents == 0 this value can only be handled as an inline value and must fallback to 4 (bytes)
-            if (dataType == ExifDataType.Undefined && numberOfComponents == 0)
+            if (numberOfComponents == 0)
             {
-                numberOfComponents = 4;
+                numberOfComponents = 4 / ExifDataTypes.GetSize(dataType);
             }
 
             ExifValue exifValue = ExifValues.Create(tag) ?? ExifValues.Create(tag, dataType, numberOfComponents);
@@ -418,9 +418,9 @@ namespace SixLabors.ImageSharp.Metadata.Profiles.Exif
                 return;
             }
 
-            if (dataType == ExifDataType.Undefined && numberOfComponents == 0)
+            if (numberOfComponents == 0)
             {
-                numberOfComponents = 8;
+                numberOfComponents = 8 / ExifDataTypes.GetSize(dataType);
             }
 
             // The StripOffsets, StripByteCounts, TileOffsets, and TileByteCounts tags are allowed to have the datatype TIFF_LONG8 in BigTIFF.