vtm/jni/tessellate/main.c
2013-12-03 20:10:56 +01:00

66 lines
1.5 KiB
C

#include "tessellate.h"
#include <stdio.h>
#include <stdlib.h>
void run_example(const double vertices_array[],
const double *contours_array[],
int contours_size)
{
double *coordinates_out;
int *tris_out;
int nverts, ntris, i;
const double *p = vertices_array;
//const double **contours = contours_array;
tessellateD(&coordinates_out, &nverts,
&tris_out, &ntris,
contours_array, contours_array + contours_size);
for (i=0; i< nverts; i += 1) {
fprintf(stdout, "%g %g, ", coordinates_out[i*2], coordinates_out[i*2+1]);
}
fprintf(stdout, "\n");
for (i=0; i< ntris; i += 1) {
fprintf(stdout, "%d %d %d\n", tris_out[i*3], tris_out[i*3+1], tris_out[i*3+2]);
}
fprintf(stdout, "\n");
free(coordinates_out);
if (tris_out)
free(tris_out);
}
int main() {
double a1[] = {
0, 0,
1, 0,
1, 1,
0, 1,
};
const double *c1[] = {a1, a1 + 8};
run_example(a1, c1, 2);
printf("\n");
double a2[] = { 0, 0, 3, 0, 3, 3, 0, 3,
1, 1, 2, 1, 2, 2, 1, 2 };
const double *c2[] = {a2, a2+8, a2+16};
int s2 = 3;
run_example(a2, c2, s2);
printf("\n");
double a3[] = { 441, 0, 326, 0, 326, 889, 12, 889, 12, 992, 755, 992, 755, 889, 441, 889 };
const double *c3[] = { a3, a3+16 };
int s3 = 2;
run_example(a3, c3, s3);
printf("\n");
return 0;
}