- tp->colors[0] = (NRAND(MI_NPIXELS(mi)));
- tp->colors[1] = (tp->colors[0] + MI_NPIXELS(mi) / 7 +
- NRAND(2 * MI_NPIXELS(mi) / 7)) % MI_NPIXELS(mi);
- tp->colors[2] = (tp->colors[0] + 4 * MI_NPIXELS(mi) / 7 +
- NRAND(2 * MI_NPIXELS(mi) / 7)) % MI_NPIXELS(mi);
+ if (sp->corners == 3) {
+ sp->colors[0] = (NRAND(MI_NPIXELS(mi)));
+ sp->colors[1] = (sp->colors[0] + MI_NPIXELS(mi) / 7 +
+ NRAND(2 * MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
+ sp->colors[2] = (sp->colors[0] + 4 * MI_NPIXELS(mi) / 7 +
+ NRAND(2 * MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
+ } else if (sp->corners == 4) {
+ sp->colors[0] = (NRAND(MI_NPIXELS(mi)));
+ sp->colors[1] = (sp->colors[0] + MI_NPIXELS(mi) / 7 +
+ NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
+ sp->colors[2] = (sp->colors[0] + 3 * MI_NPIXELS(mi) / 7 +
+ NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
+ sp->colors[3] = (sp->colors[0] + 5 * MI_NPIXELS(mi) / 7 +
+ NRAND(MI_NPIXELS(mi) / 7 + 1)) % MI_NPIXELS(mi);
+ } else {
+ (void) fprintf(stderr, "colors not set for %d corners\n", sp->corners);
+ }