void
render (gint32              image_ID,
        GimpDrawable       *drawable,
        PlugInVals         *vals,
        PlugInImageVals    *image_vals,
        PlugInDrawableVals *drawable_vals)
{


gint *strokes;
gint32 *vectors;
gint num_vectors, num_strokes, num_points;
gdouble *controlpoints[2];
gboolean closed;
int i,j,k;

vectors = gimp_image_get_vectors(image_ID, &num_vectors);

 printf("num_vectors=%i\n",num_vectors);
 for(i=0;i<num_vectors;i++) {
         strokes = gimp_vectors_get_strokes(vectors[i], &num_strokes);
     printf("num_strokes=%i\n",num_strokes);
         printf("path n.%i:",i);
         for(j=0;j<num_strokes;j++) {
        gimp_vectors_stroke_get_points(vectors[i],\
                    strokes[j],\
                    &num_points,\
                    controlpoints,\
                    &closed);
        printf("num_points=%i\n",num_points);
                for(k=0;j<num_points;j++) {
                        printf("(%d,%d)\t",controlpoints[k][0],\
                                        controlpoints[k][1]);
                } //num_points
        } //num_strokes
        printf("\n");
}
}