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#ifndef COMET_UTIL_H
#define COMET_UTIL_H
#include <time.h>
#include <stddef.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
#include <cairo.h>
#define unreachable() log_panic("The impossible happened");
// Color representation normalized to [0, 1]
//
typedef struct {
double r, g, b, a;
} color_t;
typedef struct {
color_t *colors;
size_t length;
cairo_pattern_t *cached;
} gradient_t;
static inline color_t color_rgba(int r, int g, int b, int a)
{
color_t color = { r / 255.0, g / 255.0, b / 255.0, a / 255.0 };
return color;
}
static inline color_t color_rgb(int r, int g, int b)
{
return color_rgba(r, g, b, 255);
}
static inline color_t color_hex(unsigned int h)
{
return color_rgb((h >> 16) & 0xff, (h >> 8) & 0xff, h & 0xff);
}
char *color_to_string(color_t *color);
void color_print(FILE *stream, color_t *color);
char *gradient_to_string(gradient_t *gradient);
void gradient_free(gradient_t *gradient);
const struct timespec timespec_from_ms(long ms);
const long timespec_to_ms(struct timespec ts);
struct timespec timespec_diff(struct timespec a, struct timespec b);
struct timespec timespec_add(struct timespec a, struct timespec b);
struct timespec timespec_div(struct timespec ts, int n);
bool timespec_greater(struct timespec a, struct timespec b);
bool timespec_zero(struct timespec ts);
void timespec_print(FILE *stream, struct timespec *ts);
// Check if point (px, py) is inside a rectangle in (x, y), (x+w, y), (x, y+h) and (w+h, y+h)
bool check_rect(int px, int py, int x, int y, int w, int h);
// Check if point (px, py) is inside a circle of radius r and center (x, y)
bool check_circle(int px, int py, int x, int y, int r);
// Check if point (px, py) is inside a capsule in (x, y), (x+w, y), (x, y+h) and (w+h, y+h)
bool check_capsule(int px, int py, int x, int y, int w, int h);
char *strslice(const char *string, size_t start, size_t end);
char *strcopy(const char *string);
bool strfind(const char *string, const char *cases[]);
size_t strprefix(const char *string, const char *prefix);
void strfree(char **list);
bool iszero(const void *ptr, size_t size);
typedef enum {
UNIT_B = 1 << 0,
UNIT_KB = 1 << 1,
UNIT_MB = 1 << 2,
UNIT_GB = 1 << 3,
UNIT_TB = 1 << 4,
UNIT_SI = 1 << 5,
UNIT_MASK = UNIT_B | UNIT_KB | UNIT_MB | UNIT_GB | UNIT_TB | UNIT_SI,
} unit_t;
int snprintf_units(char *buffer, size_t max, uint64_t bytes, unit_t unit);
#endif
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