#include "ppm.h"
#include "aliases.h"
#include <stdio.h>
#include <string.h>

void write_p6_ppm(const char *filepath, u64 width, u64 height, Pixel *data) {
  FILE *fp = fopen(filepath, "wb");
  if (!fp) {
    return;
  }

  char header[1024] = {0};
  sprintf(header, "P6\n%llu %llu\n255\n", (unsigned long long)width,
          (unsigned long long)height);

  u64 length = strlen(header);
  fwrite(&header, length, 1, fp);

  u64 pixel_count = width * height;
  fwrite(data, sizeof(Pixel), pixel_count, fp);

  fclose(fp);
}