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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* state.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/24 09:58:01 by cacharle #+# #+# */
/* Updated: 2020/02/27 14:43:39 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "fractol.h"
void state_update_palette(t_state *state)
{
int i;
t_color_hsl hsl;
free(state->palette);
if ((state->palette = malloc(
sizeof(t_color) * (state->iterations + 1))) == NULL)
{
state->running = false;
return ;
}
i = -1;
while (++i < state->iterations)
{
hsl.h = (int)(255.0 * ((double)i / (double)state->iterations));
hsl.s = 150;
hsl.l = 127;
state->palette[i] = color_hsl_to_rgb(hsl);
}
state->palette[i].hexcode = 0x111111;
}
void state_shift_palette(t_state *state)
{
int i;
t_color_hsl hsl;
int shift_size;
i = -1;
shift_size = 255 / state->iterations;
while (++i < state->iterations)
{
hsl = color_rgb_to_hsl(state->palette[i]);
hsl.h += shift_size;
hsl.h %= 256;
state->palette[i] = color_hsl_to_rgb(hsl);
}
}
static int st_state_dispatch_func(t_state *state, char *fractal_name)
{
if (ft_strcmp(fractal_name, "mandelbrot") == 0)
state->func = &mandelbrot;
else if (ft_strcmp(fractal_name, "julia") == 0)
{
state->func = &julia;
state->c.r = 0.0;
state->c.i = 0.0;
return (0);
}
else if (ft_strcmp(fractal_name, "tricorn") == 0)
state->func = &tricorn;
else if (ft_strcmp(fractal_name, "burningship") == 0)
state->func = &burningship;
else
return (-1);
state->c.r = NAN;
state->c.i = NAN;
return (0);
}
int state_init(t_state *state, char *fractal_name)
{
if (st_state_dispatch_func(state, fractal_name) < 0)
return (-1);
if ((state->mlx_ptr = mlx_init()) == NULL)
return (-1);
if ((state->window_ptr = mlx_new_window(state->mlx_ptr,
WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_TITLE)) == NULL)
return (state_destroy(state));
state->window.width = WINDOW_WIDTH;
state->window.height = WINDOW_HEIGHT;
if ((state->window.id = mlx_new_image(state->mlx_ptr,
state->window.width, state->window.height)) == NULL)
return (state_destroy(state));
state->window.data = (t_color*)mlx_get_data_addr(state->window.id,
&state->window.depth, &state->window.size_line, &state->window.endian);
state->running = true;
state->center.r = 0.0;
state->center.i = 0.0;
state->plane.r = 4.0;
state->plane.i = 4.0;
state->iterations = 30;
state->palette = NULL;
state->samples = 1.0;
state_update_palette(state);
state->updated = false;
return (0);
}
int state_destroy(t_state *state)
{
if (state == NULL)
return (-1);
if (state->mlx_ptr != NULL && state->window.id != NULL)
mlx_destroy_image(state->mlx_ptr, state->window.id);
if (state->mlx_ptr != NULL && state->window_ptr != NULL)
mlx_destroy_window(state->mlx_ptr, state->window_ptr);
return (-1);
}
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