#ifndef COMET_EFFECT_H
#define COMET_EFFECT_H

#include <cairo.h>

#include "util.h"

typedef struct effect effect_t;

typedef struct layout layout_t;

typedef void (*effect_render_t)(effect_t *effect, layout_t *layout, cairo_t *cr);

// NOTE: The effect state must be freed by this function
//
typedef void (*effect_finalize_t)(effect_t *effect);

typedef void (*effect_init_t)(effect_t *effect);

struct effect {
    char *label;
    struct timespec start;
    struct timespec duration;
    effect_render_t pre;
    effect_render_t post;
    void *state;
    effect_finalize_t finalize;
};

void effect_copy(effect_t *copy, const effect_t *effect);

void effect_free(effect_t *effect);

#endif