From f78feff2777ffcfb6eea95db60bfc737caafeac2 Mon Sep 17 00:00:00 2001
From: fredrsf <kaznahovskiy.s@concord-consulting.org>
Date: Tue, 4 Aug 2020 13:22:23 +0300
Subject: [PATCH] remove unsupported exif tag

---
 metadata.go      | 3 ---
 metadata_test.go | 4 ----
 2 files changed, 7 deletions(-)

diff --git a/metadata.go b/metadata.go
index 205b1ad..c6c58bb 100644
--- a/metadata.go
+++ b/metadata.go
@@ -45,7 +45,6 @@ const (
 	WhiteBalance = "exif-ifd2-WhiteBalance"
 	FocalLengthIn35mmFilm = "exif-ifd2-FocalLengthIn35mmFilm"
 	SceneCaptureType = "exif-ifd2-SceneCaptureType"
-	LensSpecification = "exif-ifd2-LensSpecification"
 	LensMake = "exif-ifd2-LensMake"
 	LensModel = "exif-ifd2-LensModel"
 	CompositeImage = "exif-ifd2-CompositeImage"
@@ -132,7 +131,6 @@ type EXIF struct {
 	WhiteBalance int
 	FocalLengthIn35mmFilm int
 	SceneCaptureType int
-	LensSpecification string
 	LensMake string
 	LensModel string
 	CompositeImage int
@@ -249,7 +247,6 @@ func Metadata(buf []byte) (ImageMetadata, error) {
 			WhiteBalance: vipsExifIntTag(image, WhiteBalance),
 			FocalLengthIn35mmFilm: vipsExifIntTag(image, FocalLengthIn35mmFilm),
 			SceneCaptureType: vipsExifIntTag(image, SceneCaptureType),
-			LensSpecification: vipsExifStringTag(image, LensSpecification),
 			LensMake: vipsExifStringTag(image, LensMake),
 			LensModel: vipsExifStringTag(image, LensModel),
 			CompositeImage: vipsExifIntTag(image, CompositeImage),
diff --git a/metadata_test.go b/metadata_test.go
index cfa7803..02882e7 100644
--- a/metadata_test.go
+++ b/metadata_test.go
@@ -204,7 +204,6 @@ func TestEXIF(t *testing.T) {
 			WhiteBalance: 0,
 			FocalLengthIn35mmFilm: 26,
 			SceneCaptureType: 0,
-			LensSpecification: "17/4 6/1 9/5 12/5",
 			LensMake: "Apple",
 			LensModel: "iPhone XS back dual camera 4.25mm f/1.8",
 			CompositeImage: 2,
@@ -344,9 +343,6 @@ func TestEXIF(t *testing.T) {
 		if metadata.EXIF.SceneCaptureType != file.SceneCaptureType {
 			t.Fatalf("Unexpected image exif SceneCaptureType: %d != %d", metadata.EXIF.SceneCaptureType, file.SceneCaptureType)
 		}
-		if metadata.EXIF.LensSpecification != file.LensSpecification {
-			t.Fatalf("Unexpected image exif LensSpecification: %s != %s", metadata.EXIF.LensSpecification, file.LensSpecification)
-		}
 		if metadata.EXIF.LensMake != file.LensMake {
 			t.Fatalf("Unexpected image exif LensMake: %s != %s", metadata.EXIF.LensMake, file.LensMake)
 		}