--- /dev/null
+#ifndef _GAMMA_EXPANSION_EFFECT_H
+#define _GAMMA_EXPANSION_EFFECT_H 1
+
+#include "effect.h"
+#include "effect_chain.h"
+
+class GammaExpansionEffect : public Effect {
+public:
+ GammaExpansionEffect();
+
+private:
+ GammaCurve source_curve;
+};
+
+#endif // !defined(_GAMMA_EXPANSION_EFFECT_H)