1#ifndef _SWAYLOCK_EFFECTS_H
 2#define _SWAYLOCK_EFFECTS_H
 3
 4#include <stdbool.h>
 5
 6#include "cairo.h"
 7
 8struct swaylock_effect_screen_pos {
 9	float pos;
10	bool is_percent;
11};
12
13struct swaylock_effect {
14	union {
15		struct {
16			int radius, times;
17		} blur;
18		struct {
19			int factor;
20		} pixelate;
21		double scale;
22		struct {
23			double base;
24			double factor;
25		} vignette;
26		struct {
27			struct swaylock_effect_screen_pos x;
28			struct swaylock_effect_screen_pos y;
29			struct swaylock_effect_screen_pos w;
30			struct swaylock_effect_screen_pos h;
31			enum {
32				EFFECT_COMPOSE_GRAV_CENTER,
33				EFFECT_COMPOSE_GRAV_NW,
34				EFFECT_COMPOSE_GRAV_NE,
35				EFFECT_COMPOSE_GRAV_SW,
36				EFFECT_COMPOSE_GRAV_SE,
37				EFFECT_COMPOSE_GRAV_N,
38				EFFECT_COMPOSE_GRAV_S,
39				EFFECT_COMPOSE_GRAV_E,
40				EFFECT_COMPOSE_GRAV_W,
41			} gravity;
42			char *imgpath;
43		} compose;
44		char *custom;
45	} e;
46
47	enum {
48		EFFECT_BLUR,
49		EFFECT_PIXELATE,
50		EFFECT_SCALE,
51		EFFECT_GREYSCALE,
52		EFFECT_VIGNETTE,
53		EFFECT_COMPOSE,
54		EFFECT_CUSTOM,
55	} tag;
56};
57
58cairo_surface_t *swaylock_effects_run(cairo_surface_t *surface, int scale,
59		struct swaylock_effect *effects, int count);
60
61cairo_surface_t *swaylock_effects_run_timed(cairo_surface_t *surface, int scale,
62		struct swaylock_effect *effects, int count);
63
64#endif