+#ifndef _VIGNETTE_EFFECT_H
+#define _VIGNETTE_EFFECT_H 1
+
+#include "effect.h"
+
+class VignetteEffect : public Effect {
+public:
+ VignetteEffect();
+ std::string output_glsl();
+
+ void set_uniforms(GLhandleARB glsl_program_num, const std::string &prefix);
+
+private:
+ Point2D center;
+ float radius, inner_radius;
+};
+
+#endif // !defined(_VIGNETTE_EFFECT_H)