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+/** @file
+ @brief Header
+
+ Must be c-safe!
+
+ @date 2015
+
+ @author
+ Sensics, Inc.
+ <http://sensics.com/osvr>
+*/
+
+/*
+// Copyright 2015 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_RadialDistortionParametersC_h_GUID_925BCEB1_BACA_4DA7_5133_FFF560C72EBD
+#define INCLUDED_RadialDistortionParametersC_h_GUID_925BCEB1_BACA_4DA7_5133_FFF560C72EBD
+
+/* Internal Includes */
+#include <osvr/Util/APIBaseC.h>
+#include <osvr/Util/Vec2C.h>
+#include <osvr/Util/Vec3C.h>
+
+/* Library/third-party includes */
+/* none */
+
+/* Standard includes */
+/* none */
+
+OSVR_EXTERN_C_BEGIN
+
+/** @addtogroup UtilMath
+@{
+*/
+
+/** @brief Parameters for a per-color-component radial distortion shader
+*/
+typedef struct OSVR_RadialDistortionParameters {
+ /** @brief Vector of K1 coefficients for the R, G, B channels*/
+ OSVR_Vec3 k1;
+ /** @brief Center of projection for the radial distortion, relative to the
+ bounds of this surface.
+ */
+ OSVR_Vec2 centerOfProjection;
+} OSVR_RadialDistortionParameters;
+
+OSVR_EXTERN_C_END
+
+#endif