Move stb resize function to Cesium namespace

CesiumGltfContent/src/ImageManipulation.cpp

@@ -1,10 +1,18 @@
 #include <CesiumGltf/ImageCesium.h>
 #include <CesiumGltfContent/ImageManipulation.h>
 
-#include <stb_image_resize.h>
-
 #include <cassert>
 #include <cstring>
+
+namespace Cesium {
+// Use STB resize in our own namespace to avoid conflicts from other libs
+#define STBIRDEF
+#include <stb_image_resize.h>
+#undef STBIRDEF
+}; // namespace Cesium
+
+using namespace Cesium;
+
 #define STB_IMAGE_WRITE_IMPLEMENTATION
 #include <stb_image_write.h>
 

CesiumGltfReader/src/GltfReader.cpp

@@ -28,18 +28,26 @@
 #include <sstream>
 #include <string>
 
-#define STB_IMAGE_IMPLEMENTATION
-#define STB_IMAGE_RESIZE_IMPLEMENTATION
 #define STBI_FAILURE_USERMSG
-#include <stb_image.h>
+
+namespace Cesium {
+// Use STB resize in our own namespace to avoid conflicts from other libs
+#define STBIRDEF
+#define STB_IMAGE_RESIZE_IMPLEMENTATION
 #include <stb_image_resize.h>
+#undef STBIRDEF
+}; // namespace Cesium
+
+#define STB_IMAGE_IMPLEMENTATION
+#include <stb_image.h>
 #include <turbojpeg.h>
 
 using namespace CesiumAsync;
 using namespace CesiumGltf;
 using namespace CesiumGltfReader;
 using namespace CesiumJsonReader;
 using namespace CesiumUtility;
+using namespace Cesium;
 
 namespace {
 #pragma pack(push, 1)