-#ifndef _ALPHA_DIVISION_EFFECT_H
-#define _ALPHA_DIVISION_EFFECT_H 1
+#ifndef _MOVIT_ALPHA_DIVISION_EFFECT_H
+#define _MOVIT_ALPHA_DIVISION_EFFECT_H 1
// Convert premultiplied alpha to postmultiplied alpha, simply by multiplying.
+#include <string>
+
#include "effect.h"
+namespace movit {
+
class AlphaDivisionEffect : public Effect {
public:
AlphaDivisionEffect() {}
std::string output_fragment_shader();
};
-#endif // !defined(_ALPHA_DIVISION_EFFECT_H)
+} // namespace movit
+
+#endif // !defined(_MOVIT_ALPHA_DIVISION_EFFECT_H)