bool SkOpAngle::merge(SkOpAngle* angle) {
SkASSERT(fNext);
SkASSERT(angle->fNext);
SkOpAngle* working = angle;
do {
if (this == working) {
return false;
}
working = working->fNext;
} while (working != angle);
do {
SkOpAngle* next = working->fNext;
working->fNext = NULL;
insert(working);
working = next;
} while (working != angle);
// it's likely that a pair of the angles are unorderable
#if DEBUG_ANGLE
SkOpAngle* last = angle;
working = angle->fNext;
do {
SkASSERT(last->fNext == working);
last->fNext = working->fNext;
SkASSERT(working->after(last));
last->fNext = working;
last = working;
working = working->fNext;
} while (last != angle);
#endif
debugValidateNext();
return true;
}
static int After(SkOpAngle& lh, SkOpAngle& rh) {
return lh.after(&rh);
}
static int After(const SkOpAngle& lh, const SkOpAngle& rh) {
return lh.after(&rh);
}