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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* capture.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/01/11 13:15:11 by cacharle #+# #+# */
/* Updated: 2020/02/02 08:33:14 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "cub3d.h"
#define BM_FILE_TYPE 19778
#define DATA_OFFSET 1078
#define BITMAP_INFO_HEADER_SIZE 40
#define CAPTURE_FILENAME "capture.bmp"
int capture(t_state *state)
{
t_bmp_header header;
render_update_window(state, CELL_WALL);
bmp_fill_header(&state->window, &header);
if (!bmp_write(&state->window, &header))
{
state_destroy(state);
return (1);
}
return (0);
}
t_bool bmp_write(t_image *image, t_bmp_header *header)
{
int fd;
if ((fd = open(CAPTURE_FILENAME, O_WRONLY | O_CREAT)) < 0)
return (FALSE);
printf("%d\n", fd);
write(fd, &header, sizeof(t_bmp_header));
write(fd, image->data, image->width * image->height * 4);
close(fd);
return (TRUE);
}
void bmp_fill_header(t_image *image, t_bmp_header *header)
{
header->file_header.file_type = BM_FILE_TYPE;
header->file_header.file_size = sizeof(t_bmp_header) + image->width * image->height * 4;
header->file_header.reserved1 = 0;
header->file_header.reserved1 = 0;
header->file_header.offset = DATA_OFFSET;
header->info_header.size = sizeof(t_bmp_header) + image->width * image->height * 4;
header->info_header.width = image->width;
header->info_header.height = image->height;
header->info_header.planes = 0;
header->info_header.depth = 8 * 4;
header->info_header.compression = 0;
header->info_header.size_image = 0;
header->info_header.w_pix_per_meter = 0;
header->info_header.h_pix_per_meter = 0;
header->info_header.color_used = 0;
header->info_header.color_important = 0;
header->color_table.blue = 0xff;
header->color_table.green = 0xff;
header->color_table.red = 0xff;
header->color_table.reserved = 0;
}
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