/*
  Assignment 4, polygon stress test

  C version
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "graphics.h"

/*
  Program to stress test the polygon API
*/
int main(int argc, char *argv[]) {
  Image *src;
  const int rows = 300;
  const int cols = 400;
  Polygon *pdyn;
  Polygon pstat;
  Color Red;
  Color Blue;
  Point pt[5];
  
  color_set(&Red, 8.0, 0.1, 0.2);
  color_set(&Blue, 0.2, 0.1, 0.8);

  src = image_create(rows, cols);

  // make some random polygon
  point_set2D(&(pt[0]), 30, 30);
  point_set2D(&(pt[1]), 220, 30);
  point_set2D(&(pt[2]), 180, 200);
  point_set2D(&(pt[3]), 150, 130);
  point_set2D(&(pt[4]), 60, 180);

  printf("polygon_createp(): Creating pdyn with a set of points\n");
  pdyn = polygon_createp(5, pt);

  printf("pdyn:\n");
  polygon_print(pdyn, stdout);

  printf("polygon_init(): initializing pstat\n");
  polygon_init(&pstat);

  printf("pstat:\n");
  polygon_print(&pstat, stdout);

  printf("polygon_set(): adding points to pstat\n");
  polygon_set(&pstat, 3, pt);

  printf("pstat:\n");
  polygon_print(&pstat, stdout);

  printf("polygon_clear(): deleting points from pstat\n");
  polygon_clear(&pstat);

  printf("pstat:\n");
  polygon_print(&pstat, stdout);

  printf("polygon_copy(): copying from pdyn to pstat\n");
  polygon_copy(&pstat, pdyn);

  printf("pstat:\n");
  polygon_print(&pstat, stdout);

  printf("polygon_clear(): deleting points from pdyn\n");
  polygon_clear(pdyn);

  printf("pdyn:\n");
  polygon_print(pdyn, stdout);

  printf("polygon_set(): overwriting vertices in pstat\n");
  polygon_set(&pstat, 4, pt);
  
  printf("pstat:\n");
  polygon_print(&pstat, stdout);

  printf("polygon_copy(): copying from pstat to pdyn\n");
  polygon_copy(pdyn, &pstat);
  
  printf("pdyn:\n");
  polygon_print(pdyn, stdout);

  printf("polygon_set(): overwriting vertices in pstat\n");
  polygon_set(pdyn, 5, pt);

  printf("polygon_drawFill(): drawing pdyn\n");
  polygon_drawFill(pdyn, src, Blue);

  printf("polygon_set(): overwriting vertices in pstat\n");
  polygon_set(&pstat, 3, pt);

  printf("pstat:\n");
  polygon_print(&pstat, stdout);

  printf("polygon_drawFill(): drawing pstat\n");
  polygon_drawFill(&pstat, src, Red);

  printf("writing output\n");
  image_write(src, "test4c.ppm");

  polygon_free(pdyn);
  polygon_clear(&pstat);

  image_free(src);

  return(0);
}