From 0f02be43dd93f549b618153554941616afadb162 Mon Sep 17 00:00:00 2001
From: kovacsv <viktorkovacs@gmail.com>
Date: Fri, 6 Aug 2021 22:18:02 +0200
Subject: [PATCH] Add utility functions for extension detection.

---
 source/import/importergltf.js | 14 +-------------
 source/io/bufferutils.js      | 12 ++++++++++++
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/source/import/importergltf.js b/source/import/importergltf.js
index 30db05e..022a377 100644
--- a/source/import/importergltf.js
+++ b/source/import/importergltf.js
@@ -776,18 +776,6 @@ OV.ImporterGltf = class extends OV.ImporterBase
 
     ImportTexture (gltf, gltfTextureRef)
     {
-        function GetTextureFileExtension (mimeType)
-        {
-            if (mimeType === undefined || mimeType === null) {
-                return '';
-            }
-            let mimeParts = mimeType.split ('/');
-            if (mimeParts.length === 0) {
-                return '';
-            }
-            return '.' + mimeParts[mimeParts.length - 1];
-        }
-
         if (gltfTextureRef === undefined || gltfTextureRef === null) {
             return null;
         }
@@ -808,7 +796,7 @@ OV.ImporterGltf = class extends OV.ImporterBase
             if (gltfImage.uri !== undefined) {
                 let base64Buffer = OV.Base64DataURIToArrayBuffer (gltfImage.uri);
                 if (base64Buffer !== null) {
-                    textureParams.name = 'Embedded_' + textureIndexString + GetTextureFileExtension (base64Buffer.mimeType);
+                    textureParams.name = 'Embedded_' + textureIndexString + '.' + OV.GetFileExtensionFromMimeType (base64Buffer.mimeType);
                     textureParams.url = OV.CreateObjectUrlWithMimeType (base64Buffer.buffer, base64Buffer.mimeType);
                     textureParams.buffer = base64Buffer.buffer;
                 } else {
diff --git a/source/io/bufferutils.js b/source/io/bufferutils.js
index d8690c9..2b4e71a 100644
--- a/source/io/bufferutils.js
+++ b/source/io/bufferutils.js
@@ -61,6 +61,18 @@ OV.Base64DataURIToArrayBuffer = function (uri)
 	};
 };
 
+OV.GetFileExtensionFromMimeType = function (mimeType)
+{
+	if (mimeType === undefined || mimeType === null) {
+		return '';
+	}
+	let mimeParts = mimeType.split ('/');
+	if (mimeParts.length === 0) {
+		return '';
+	}
+	return mimeParts[mimeParts.length - 1];
+};
+
 OV.CreateObjectUrl = function (content)
 {
 	let blob = new Blob ([content]);