imgGen.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main() {
  srand(time(NULL));
  char *filepath = "images/output.ppm";
  FILE *fptr = fopen(filepath, "wb");
  int h = 16 * 60;
  int w = 9 * 60;

  fprintf(fptr, "P6\n");
  fprintf(fptr, "%d %d\n", h, w);
  fprintf(fptr, "255\n");
  for (int i = 0; i < w; i++) {
    for (int j = 0; j < h; j++) {
      int randNum = rand() % 20;
      if (((i + randNum) / 60 + (j + randNum) / 60) % 2) {
        fputc(0xFF, fptr);
        fputc(0x00, fptr);
        fputc(0x00, fptr);
      } else {
        fputc(0x00, fptr);
        fputc(0x00, fptr);
        fputc(0x00, fptr);
      }
    }
  }
  fclose(fptr);
  printf("Image generated at %s\n", filepath);
  return 0;
}