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fractol.c
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fractol.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* fractol.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: bsyvasal <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/11/27 14:51:59 by bsyvasal #+# #+# */
/* Updated: 2024/01/16 16:28:18 by bsyvasal ### ########.fr */
/* */
/* ************************************************************************** */
#include "fractol.h"
int str_isdouble(char *str)
{
int decimal_used;
if (*str == '-')
str++;
decimal_used = 0;
while (*str)
{
if (*str == ',' || *str == '.')
{
if (decimal_used++)
return (0);
if (!*++str)
return (1);
}
if (!ft_isdigit(*str))
return (0);
str++;
}
return (1);
}
static int print_msg(int msgno)
{
if (msgno == 1)
ft_printf("Missing or invalid parameter\n"
" - Mandelbrot\n - Julia x y\n");
if (msgno == 2)
ft_printf("Missing or invalid parameter for julia set\n - Julia"
" -0.5 0.5\n");
if (msgno == 3)
ft_printf("Controls:\nWASD/Arrows:\tMove\n"
"GH:\t\tZoom\nEnter:\t\tAuto zoom\nR:\t\tReset\n"
"Mouse Scrolls:\tZoom\n"
"Mouse LClick:\tMove\n"
"Mouse RClick:\tIncrease Julia values\n"
"1:\t\tMandelbrot\n2:\t\tJulia\n");
if (msgno == 4)
ft_printf("f_init failed\n");
return (msgno);
}
static void f_init(t_fractol *f, int type)
{
if (!f)
exit(print_msg(4));
f->fractaltype = type;
f->run = 0;
f->width = 800;
f->height = 600;
f->zoom = 1;
f->xcenter = 0;
f->ycenter = 0;
f->xconstant = -0.4;
f->yconstant = 0.6;
f->mlx = mlx_init();
if (!f->mlx)
exit(print_msg(4));
f->win = mlx_new_window(f->mlx, f->width, f->height, "Fract-ol");
f->img = mlx_new_image(f->mlx, f->width, f->height);
if (!f->img || !f->win)
destroy(f);
f->addr = mlx_get_data_addr(f->img, &f->bits_per_pixel, &f->line_length,
&f->endian);
mlx_hook(f->win, ON_DESTROY, 0, destroy, f);
mlx_hook(f->win, ON_KEYDOWN, 0, keydown, f);
mlx_mouse_hook(f->win, mouse_hook, f);
mlx_loop_hook(f->mlx, render_next_frame, f);
print_msg(3);
}
int main(int argc, char *argv[])
{
t_fractol f;
if (argc == 2 && !ft_strncmp(argv[1], "Mandelbrot", 11))
{
f_init(&f, 1);
mlx_loop(f.mlx);
}
else if (argc > 1 && !ft_strncmp(argv[1], "Julia", 6))
{
if (argc != 4 || !str_isdouble(argv[2]) || !str_isdouble(argv[3]))
return (print_msg(2));
f_init(&f, 2);
f.xconstant = ft_atod(argv[2]);
f.yconstant = ft_atod(argv[3]);
mlx_loop(f.mlx);
}
return (print_msg(1));
}