#include "meshwarp.h"

/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * main:
 *
 * Main function to collect input image, source, and target meshes.
 * Pass them to meshWarp() and save result in output file.
 */
main(argc, argv)
int   argc;
char **argv;
{
 imageP I1, I2;
 imageP M1, M2;

 /* make sure the user invokes this program properly */
 if(argc != 5) {
  fprintf(stderr, "Usage: warp in.bw src.XY dst.XY out.bw\n");
  exit(1);
 }

 /* read input image and meshes */
 I1 = readImage(argv[1], BW); /* input image */
 M1 = readImage(argv[2], MESH); /* source mesh */
 M2 = readImage(argv[3], MESH); /* target mesh */

 /* allocate memory and init structure for output image */
 I2 = allocImage(I1->width, I1->height, BW);

 /* invoke the mesh warping function */
 meshWarp(I1, M1, M2, I2);

 /* save output to a file */
 saveImage(I2, argv[4], BW);
}