1 files changed, 86 insertions, 0 deletions
diff --git a/gfx/vr/service/osvr/Util/Vec2C.h b/gfx/vr/service/osvr/Util/Vec2C.h
new file mode 100644
index 0000000000..0641270c1f
--- /dev/null
+++ b/gfx/vr/service/osvr/Util/Vec2C.h
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+/** @file
+    @brief Header
+
+    Must be c-safe!
+
+    @date 2014
+
+    @author
+    Sensics, Inc.
+    <http://sensics.com/osvr>
+*/
+
+/*
+// Copyright 2014 Sensics, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+#ifndef INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F
+#define INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F
+
+/* Internal Includes */
+#include <osvr/Util/APIBaseC.h>
+
+/* Library/third-party includes */
+/* none */
+
+/* Standard includes */
+/* none */
+
+OSVR_EXTERN_C_BEGIN
+
+/** @addtogroup UtilMath
+    @{
+*/
+/** @brief A structure defining a 2D vector, which represents position
+ */
+typedef struct OSVR_Vec2 {
+  /** @brief Internal array data. */
+  double data[2];
+} OSVR_Vec2;
+
+#define OSVR_VEC_MEMBER(COMPONENT, INDEX)                             \
+  /** @brief Accessor for Vec2 component COMPONENT */                 \
+  OSVR_INLINE double osvrVec2Get##COMPONENT(OSVR_Vec2 const* v) {     \
+    return v->data[INDEX];                                            \
+  }                                                                   \
+  /** @brief Setter for Vec2 component COMPONENT */                   \
+  OSVR_INLINE void osvrVec2Set##COMPONENT(OSVR_Vec2* v, double val) { \
+    v->data[INDEX] = val;                                             \
+  }
+
+OSVR_VEC_MEMBER(X, 0)
+OSVR_VEC_MEMBER(Y, 1)
+
+#undef OSVR_VEC_MEMBER
+
+/** @brief Set a Vec2 to the zero vector */
+OSVR_INLINE void osvrVec2Zero(OSVR_Vec2* v) {
+  osvrVec2SetX(v, 0);
+  osvrVec2SetY(v, 0);
+}
+
+/** @} */
+
+OSVR_EXTERN_C_END
+
+#ifdef __cplusplus
+template <typename StreamType>
+inline StreamType& operator<<(StreamType& os, OSVR_Vec2 const& vec) {
+  os << "(" << vec.data[0] << ", " << vec.data[1] << ")";
+  return os;
+}
+#endif
+
+#endif  // INCLUDED_Vec2C_h_GUID_F9715DE4_2649_4182_0F4C_D62121235D5F