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draw.c
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draw.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* draw.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: pvan-erp <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/04/03 21:34:04 by pvan-erp #+# #+# */
/* Updated: 2017/04/03 21:34:17 by pvan-erp ### ########.fr */
/* */
/* ************************************************************************** */
#include "fractol.h"
static int get_clr(int h)
{
int r;
int g;
int b;
r = 0;
g = 0;
b = 0;
if (h <= 0xFF)
b = h;
else if (h <= 0xFF * 2)
{
r = h - 0xFF;
g = h - 0xFF;
b = 0xFF;
}
else if (h <= 0xFF * 3)
{
r = 0xFF;
g = 0xFF * 3 - h;
b = 0xFF * 3 - h;
}
else
return (0);
return (((r << 16) + (g << 8) + b));
}
static void draw_man3(t_sdl *sdl)
{
t_coords px;
t_cmplx c;
t_cmplx z;
int color;
int iter;
px.y = ~0;
while (++px.y < sdl->wsize.y)
{
c.b = -(px.y * sdl->scale - sdl->offset.b);
z.b = 0;
px.x = ~0;
while (++px.x < sdl->wsize.x)
{
c.a = px.x * sdl->scale - sdl->offset.a;
z.a = 0;
iter = julia3(z, c, ((t_frac *)sdl->data)->i_max);
color = get_clr((iter + 1) * 0x2FD / ((t_frac *)sdl->data)->i_max);
((int *)(sdl->img.id->pixels))[px.y * (sdl->wsize.y) + px.x] = color;
}
}
}
static void *draw_man_thread(void *sdlt)
{
t_sdl *sdl;
t_coords px;
t_cmplx c;
t_cmplx z;
int color;
int iter;
sdl = ((t_sdl_thread *)sdlt)->sdl;
px.y = ((t_sdl_thread *)sdlt)->y;
while (px.y < sdl->wsize.y)
{
c.b = -(px.y * sdl->scale - sdl->offset.b);
z.b = 0;
px.x = ~0;
while (++px.x < sdl->wsize.x)
{
c.a = px.x * sdl->scale - sdl->offset.a;
z.a = 0;
iter = julia(z, c, ((t_frac *)sdl->data)->i_max);
color = get_clr((iter + 1) * 0x2FD / ((t_frac *)sdl->data)->i_max);
((int *)(sdl->img.id->pixels))[px.y * (sdl->wsize.y) + px.x] = color;
}
px.y += THREADS;
}
return (NULL);
}
static void draw_man(t_sdl *sdl)
{
t_sdl_thread sdlt[THREADS];
pthread_t thread[THREADS];
// t_cmplx c;
// t_cmplx z;
// int color;
// int iter;
int i;
// sdlt.sdl = sdl;
i = ~0;
while (++i < THREADS)
{
sdlt[i].sdl = sdl;
sdlt[i].y = i;
pthread_create(&thread[i], NULL, draw_man_thread, &sdlt[i]);
}
i = ~0;
while (++i < THREADS)
{
pthread_join(thread[i], NULL);
}
// while (++px.y < sdl->wsize.y)
// {
// c.b = -(px.y * sdl->scale - sdl->offset.b);
// z.b = 0;
// px.x = ~0;
// while (++px.x < sdl->wsize.x)
// {
// c.a = px.x * sdl->scale - sdl->offset.a;
// z.a = 0;
// iter = julia(z, c, ((t_frac *)sdl->data)->i_max);
// color = get_clr((iter + 1) * 0x2FD / ((t_frac *)sdl->data)->i_max);
// *(int *)(sdl->img.start + px.y * sdl->img.lsize + px.x * 4) = color;
// }
// }
}
static void draw_jul(t_sdl *sdl)
{
t_coords px;
t_cmplx c;
t_cmplx z;
int color;
int iter;
px.y = ~0;
while (++px.y < sdl->wsize.y)
{
c.b = ((t_frac *)sdl->data)->c.b;
z.b = -(px.y * sdl->scale - sdl->offset.b);
px.x = ~0;
while (++px.x < sdl->wsize.x)
{
c.a = ((t_frac *)sdl->data)->c.a;
z.a = px.x * sdl->scale - sdl->offset.a;
iter = julia(z, c, ((t_frac *)sdl->data)->i_max);
color = get_clr((iter + 1) * 0x2FD / ((t_frac *)sdl->data)->i_max);
((int *)(sdl->img.id->pixels))[px.y * (sdl->wsize.y) + px.x] = color;
}
}
}
void draw(t_sdl *sdl)
{
if (!strcmp(((t_frac *)sdl->data)->name, "mandelbrot"))
draw_man(sdl);
else if (!strcmp(((t_frac *)sdl->data)->name, "multibrot"))
draw_man3(sdl);
else
draw_jul(sdl);
//sdl_put_image_to_window(sdl->id, sdl->win, sdl->img.id, 0, 0);
}