X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=vignette_effect.h;h=926a5be0e0e5dd794c72b2ee0c7c507bedbee919;hp=d13bf85d01c36b47a47cdd53641efd8f6f5fe6ad;hb=d4cade9004a527206e1360ae24f833a6bcf6d476;hpb=37f56fcbe571b2322243f6de59494bf9e0cbb37a diff --git a/vignette_effect.h b/vignette_effect.h index d13bf85..926a5be 100644 --- a/vignette_effect.h +++ b/vignette_effect.h @@ -1,14 +1,16 @@ -#ifndef _VIGNETTE_EFFECT_H -#define _VIGNETTE_EFFECT_H 1 +#ifndef _MOVIT_VIGNETTE_EFFECT_H +#define _MOVIT_VIGNETTE_EFFECT_H 1 // A circular vignette, falling off as cos² of the distance from the center // (the classic formula for approximating a real lens). -#include +#include #include #include "effect.h" +namespace movit { + class VignetteEffect : public Effect { public: VignetteEffect(); @@ -17,12 +19,18 @@ public: virtual bool needs_srgb_primaries() const { return false; } virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; } + virtual bool one_to_one_sampling() const { return true; } + virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height); void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num); private: Point2D center; + Point2D uniform_aspect_correction, uniform_flipped_center; float radius, inner_radius; + float uniform_pihalf_div_radius; }; -#endif // !defined(_VIGNETTE_EFFECT_H) +} // namespace movit + +#endif // !defined(_MOVIT_VIGNETTE_EFFECT_H)