/usr/include/movit/multiply_effect.h is in libmovit-dev 1.4.0-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | #ifndef _MOVIT_MULTIPLY_EFFECT_H
#define _MOVIT_MULTIPLY_EFFECT_H 1
// An effect that multiplies every pixel by a constant (separate for each of
// R, G, B, A). A common use would be to reduce the alpha of an overlay before
// sending it through OverlayEffect, e.g. with R=G=B=A=0.3 to get 30% alpha
// (remember, alpha is premultiplied).
#include <epoxy/gl.h>
#include <string>
#include "effect.h"
namespace movit {
class MultiplyEffect : public Effect {
public:
MultiplyEffect();
virtual std::string effect_type_id() const { return "MultiplyEffect"; }
std::string output_fragment_shader();
virtual bool one_to_one_sampling() const { return true; }
private:
RGBATuple factor;
};
} // namespace movit
#endif // !defined(_MOVIT_MULTIPLY_EFFECT_H)
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