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#ifndef HEADER_H
# define HEADER_H
# include <stdbool.h>
# include <SDL2/SDL.h>
# define MAX_ITERATION 200
# define ESCAPE_RADIUS 10
# define ESCAPE_RADIUS_SQUARED (ESCAPE_RADIUS * ESCAPE_RADIUS)
# define PIXELS_CHANELS 3
# define PIXELS_DEPTH (PIXELS_CHANELS * 8)
typedef uint8_t Byte;
typedef int ColorHexcode;
typedef union
{
ColorHexcode hexcode;
struct
{
Byte b;
Byte g;
Byte r;
} rgb;
} Color;
typedef struct
{
double x;
double y;
} Point;
typedef struct
{
SDL_Window *window;
SDL_Renderer *renderer;
bool running;
int window_w;
int window_h;
Point center;
double real_range;
double imag_range;
Color *palette;
Color in_set_color;
bool moving;
bool changed;
SDL_Texture *canvas;
} GState;
typedef struct
{
int window_w;
int window_h;
double real_range;
double imag_range;
double center_x;
double center_y;
} Config;
typedef struct
{
double real_lo;
double real_hi;
double imag_step;
int width;
double imag;
Color *palette;
uint8_t *row;
} ThreadArgs;
// mandelbrot.c
int mandelbrot_in_set(double a, double b);
void mandelbrot_print(void);
void *mandelbrot_pixels(double real_lo, double real_hi, double imag_lo,
double imag_hi, int width, int height, Color *palette);
// graphics.c
GState *graphics_init(Config *config);
void graphics_quit(GState *state);
void graphics_run(GState *state);
// helper.c
double map_range(double x, double src_lo, double src_hi, double dest_lo, double dest_hi);
Color helper_HSL_to_RGB(int hue, double saturation, double lightness);
double double_rand(void);
#endif
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