From 569fd13637c106a02faaabcec31d34cdc14a969e Mon Sep 17 00:00:00 2001
From: Stephen Handley <stephen.handley@drop.com>
Date: Thu, 1 Aug 2019 18:33:37 -0700
Subject: [PATCH 1/2] add support for InteroperabilityVersion

---
 piexif.js | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/piexif.js b/piexif.js
index 3d0bd12..abe4762 100644
--- a/piexif.js
+++ b/piexif.js
@@ -37,13 +37,13 @@ SOFTWARE.
         } else {
             throw new Error("Given data is not jpeg.");
         }
-        
+
         var segments = splitIntoSegments(jpeg);
         var newSegments = segments.filter(function(seg){
           return  !(seg.slice(0, 2) == "\xff\xe1" &&
-                   seg.slice(4, 10) == "Exif\x00\x00"); 
+                   seg.slice(4, 10) == "Exif\x00\x00");
         });
-        
+
         var new_data = newSegments.join("");
         if (b64) {
             new_data = "data:image/jpeg;base64," + btoa(new_data);
@@ -162,13 +162,13 @@ SOFTWARE.
             interop_ifd,
             gps_ifd,
             first_ifd;
-        
+
         if ("0th" in exif_dict) {
             zeroth_ifd = exif_dict["0th"];
         } else {
             zeroth_ifd = {};
         }
-        
+
         if ((("Exif" in exif_dict) && (Object.keys(exif_dict["Exif"]).length)) ||
             (("Interop" in exif_dict) && (Object.keys(exif_dict["Interop"]).length))) {
             zeroth_ifd[34665] = 1;
@@ -192,7 +192,7 @@ SOFTWARE.
         } else if (Object.keys(zeroth_ifd).indexOf(that.ImageIFD.GPSTag.toString()) > -1) {
             delete zeroth_ifd[that.ImageIFD.GPSTag];
         }
-        
+
         if (("1st" in exif_dict) &&
             ("thumbnail" in exif_dict) &&
             (exif_dict["thumbnail"] != null)) {
@@ -201,7 +201,7 @@ SOFTWARE.
             exif_dict["1st"][514] = 1;
             first_ifd = exif_dict["1st"];
         }
-        
+
         var zeroth_set = _dict_to_bytes(zeroth_ifd, "0th", 0);
         var zeroth_length = (zeroth_set[0].length + exif_is * 12 + gps_is * 12 + 4 +
             zeroth_set[1].length);
@@ -670,8 +670,8 @@ SOFTWARE.
             return output;
         };
     }
-    
-    
+
+
     if (typeof window !== "undefined" && typeof window.atob === "function") {
         var atob = window.atob;
     }
@@ -2136,6 +2136,10 @@ SOFTWARE.
             1: {
                 'name': 'InteroperabilityIndex',
                 'type': 'Ascii'
+            },
+            2: {
+                'name': 'InteroperabilityVersion',
+                'type': 'Ascii'
             }
         },
     };
@@ -2143,7 +2147,7 @@ SOFTWARE.
     TAGS["1st"] = TAGS["Image"];
     that.TAGS = TAGS;
 
-    
+
     that.ImageIFD = {
         ProcessingSoftware:11,
         NewSubfileType:254,
@@ -2332,7 +2336,7 @@ SOFTWARE.
         NoiseProfile:51041,
     };
 
-    
+
     that.ExifIFD = {
         ExposureTime:33434,
         FNumber:33437,
@@ -2445,6 +2449,7 @@ SOFTWARE.
 
     that.InteropIFD = {
         InteroperabilityIndex:1,
+        InteroperabilityVersion:2
     };
 
     that.GPSHelper = {
@@ -2468,8 +2473,8 @@ SOFTWARE.
             return deg * sign;
         }
     };
-    
-    
+
+
     if (typeof exports !== 'undefined') {
         if (typeof module !== 'undefined' && module.exports) {
             exports = module.exports = that;

From 6ea7470e3185314206d6322274b27f31dc292e01 Mon Sep 17 00:00:00 2001
From: Stephen Handley <stephen.handley@drop.com>
Date: Thu, 1 Aug 2019 18:55:02 -0700
Subject: [PATCH 2/2] fix issue with SceneType

---
 piexif.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/piexif.js b/piexif.js
index abe4762..343606b 100644
--- a/piexif.js
+++ b/piexif.js
@@ -1915,7 +1915,7 @@ SOFTWARE.
             },
             41729: {
                 'name': 'SceneType',
-                'type': 'Undefined'
+                'type': 'Short'
             },
             41730: {
                 'name': 'CFAPattern',