fractol/fractol_utils.c
2023-12-12 17:47:59 +01:00

46 lines
1.5 KiB
C
Executable File

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* fractol_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fgras-ca <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/09/08 15:23:25 by fgras-ca #+# #+# */
/* Updated: 2023/09/08 15:25:14 by fgras-ca ### ########.fr */
/* */
/* ************************************************************************** */
#include "fractol.h"
void my_img_pixel_put(t_fractol *fractol, int x, int y, int color)
{
char *byte;
byte = fractol->img_addr + ((y * fractol->img_line_length) \
+ (x * fractol->img_bits_per_pixel / 8));
*(unsigned int *)byte = color;
}
double atf(char *str)
{
double atf;
int base;
int i;
base = 1;
i = 1;
while (i < (int)ft_strlen(ft_strchr(str, '.')))
{
base *= 10;
i ++;
}
atf = (float)ft_atoi(str);
if (!ft_strchr(str, '.'))
return (atf);
if (str[0] != '-')
atf += (float)ft_atoi(ft_strchr(str, '.') + 1) / base;
else
atf -= (float)ft_atoi(ft_strchr(str, '.') + 1) / base;
return (atf);
}