77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* post_pro_hub.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ntrahy <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/11/23 04:57:41 by ntrahy #+# #+# */
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/* Updated: 2017/01/08 15:30:58 by scebula ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "rt.h"
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t_color img_pull_pixel(int x, int y, t_img *img)
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{
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t_color c;
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if (img->x && img->y)
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{
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while (x < 0)
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x += img->x;
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while (y < 0)
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y += img->y;
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x = x % img->x;
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y = y % img->y;
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}
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c.b = img->data[y * img->sl + x * (img->bpp >> 3)] & 0xFF;
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c.g = img->data[y * img->sl + x * (img->bpp >> 3) + 1] & 0xFF00 >> 8;
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c.r = img->data[y * img->sl + x * (img->bpp >> 3) + 2] & 0xFF0000 >> 16;
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return (c);
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}
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t_img *img_map_pixel(t_data *d, int (*f)(t_color))
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{
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int x;
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int y;
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t_color c;
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t_img *img;
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img = init_img(d->mlx, d->width, d->height);
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x = -1;
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while (++x < d->width)
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{
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y = -1;
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while (++y < d->height)
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{
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c = img_pull_pixel(x, y, d->img);
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putpixel(x, y, f(c), img);
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}
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}
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return (img);
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}
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void img_recolor(t_data *d, int (*f)(t_color))
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{
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t_img *img;
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img = img_map_pixel(d, f);
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mlx_clear_window(d->mlx, d->win);
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mlx_put_image_to_window(d->mlx, d->win, img->img, 0, 0);
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free_img(d->mlx, img);
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}
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void **init_post_pro(void)
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{
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void **p_p;
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p_p = (void **)ft_memalloc(sizeof(void *) * 5);
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p_p[0] = &img_b_n_w;
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p_p[1] = &img_sepia;
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p_p[2] = &img_negative;
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p_p[3] = &img_b_n_w;
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p_p[4] = &img_b_n_w;
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return (p_p);
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}
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