From 3e53feb04642aab9a58fce32ef8e2417f8ed608f Mon Sep 17 00:00:00 2001
From: Syoyo Fujita <syoyo@lighttransport.com>
Date: Sun, 2 Sep 2018 15:36:17 +0900
Subject: [PATCH] Parse `extensions` property of Image.

---
 loader_example.cc | 5 +++++
 tiny_gltf.h       | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/loader_example.cc b/loader_example.cc
index 8ae20bc..7f8a426 100644
--- a/loader_example.cc
+++ b/loader_example.cc
@@ -1,3 +1,6 @@
+//
+// TODO(syoyo): Print extensions and extras for each glTF object.
+//
 #define TINYGLTF_IMPLEMENTATION
 #define STB_IMAGE_IMPLEMENTATION
 #define STB_IMAGE_WRITE_IMPLEMENTATION
@@ -514,6 +517,7 @@ static void Dump(const tinygltf::Model &model) {
       std::cout << Indent(2) << "width     : " << image.width << std::endl;
       std::cout << Indent(2) << "height    : " << image.height << std::endl;
       std::cout << Indent(2) << "component : " << image.component << std::endl;
+      DumpExtensions(image.extensions, 1);
     }
   }
 
@@ -525,6 +529,7 @@ static void Dump(const tinygltf::Model &model) {
                 << std::endl;
       std::cout << Indent(1) << "source         : " << texture.source
                 << std::endl;
+      DumpExtensions(texture.extensions, 1);
     }
   }
 
diff --git a/tiny_gltf.h b/tiny_gltf.h
index 9b6494d..6f2855c 100644
--- a/tiny_gltf.h
+++ b/tiny_gltf.h
@@ -456,6 +456,7 @@ struct Image {
                          // "image/bmp", "image/gif"]
   std::string uri;       // (required if no mimeType)
   Value extras;
+  ExtensionMap extensions;
 
   Image() { bufferView = -1; }
 };
@@ -2126,6 +2127,7 @@ static bool ParseImage(Image *image, std::string *err, std::string *warn,
   }
 
   ParseStringProperty(&image->name, err, o, "name", false);
+  ParseExtensionsProperty(&image->extensions, err, o);
 
   if (hasBufferView) {
     double bufferView = -1;
@@ -4014,6 +4016,8 @@ static void SerializeGltfImage(Image &image, json &o) {
   if (image.extras.Type() != NULL_TYPE) {
     SerializeValue("extras", image.extras, o);
   }
+
+  SerializeExtensionMap(image.extensions, o);
 }
 
 static void SerializeGltfMaterial(Material &material, json &o) {