81         SkTSpan* opp = this->spanAtT(t, &priorSpan);  in addForPerp()  local
82         if (!opp) {  in addForPerp()
83             opp = this->addFollowing(priorSpan);  in addForPerp()
86                     priorSpan->debugID() : -1, t, opp->debugID());  in addForPerp()
90         opp->dump(); SkDebugf("\n");  in addForPerp()
92                 priorSpan->debugID() : -1, opp->debugID());  in addForPerp()
94         opp->addBounded(span, &fHeap);  in addForPerp()
95         span->addBounded(opp, &fHeap);  in addForPerp()
153         const SkTSpan* opp) const {  in findOppSpan()
157         if (opp == test) {  in findOppSpan()
170 int SkTSpan::hullCheck(const SkTSpan* opp,  in hullCheck()  argument
176     if (onlyEndPointsInCommon(opp, start, oppStart, &ptsInCommon)) {  in hullCheck()
181     if (fPart->hullIntersects(*opp->fPart, &linear)) {  in hullCheck()
198 int SkTSpan::hullsIntersect(SkTSpan* opp,  in hullsIntersect()  argument
200     if (!fBounds.intersects(opp->fBounds)) {  in hullsIntersect()
203     int hullSect = this->hullCheck(opp, start, oppStart);  in hullsIntersect()
207     hullSect = opp->hullCheck(this, oppStart, start);  in hullsIntersect()
281     double opp = (*fPart)[end].fY - origY;  in linearIntersects()  local
282     double maxPart = std::max(fabs(adj), fabs(opp));  in linearIntersects()
288         double test = (q2[n].fY - origY) * adj - (q2[n].fX - origX) * opp;  in linearIntersects()
306 bool SkTSpan::onlyEndPointsInCommon(const SkTSpan* opp,  in onlyEndPointsInCommon()  argument
308     if (opp->pointFirst() == this->pointFirst()) {  in onlyEndPointsInCommon()
310     } else if (opp->pointFirst() == this->pointLast()) {  in onlyEndPointsInCommon()
313     } else if (opp->pointLast() == this->pointFirst()) {  in onlyEndPointsInCommon()
316     } else if (opp->pointLast() == this->pointLast()) {  in onlyEndPointsInCommon()
327     opp->fPart->otherPts(*oppStart ? 0 : opp->fPart->pointLast(), oppOtherPts);  in onlyEndPointsInCommon()
331         for (int o2 = 0; o2 < opp->pointCount() - 1; ++o2) {  in onlyEndPointsInCommon()
357         SkTSpan* opp = bounded->fBounded;  in removeAllBounded()  local
358         deleteSpan |= opp->removeBounded(this);  in removeAllBounded()
364 bool SkTSpan::removeBounded(const SkTSpan* opp) {  in removeBounded()  argument
371             if (opp != test) {  in removeBounded()
387         if (opp == bounded->fBounded) {  in removeBounded()
558     const SkTCurve& opp = sect2->fCurve;  in binarySearchCoin()  local
574         work.fCoinStart.setPerp(fCurve, work.fStartT, last, opp);  in binarySearchCoin()
603     if (oppPt.approximatelyEqual(opp[0])) {  in binarySearchCoin()
735     const SkTCurve& opp = sect2->fCurve;  in computePerpendiculars()  local
743                 work->fCoinStart.setPerp(fCurve, work->fStartT, work->pointFirst(), opp);  in computePerpendiculars()
753             work->fCoinEnd.setPerp(fCurve, work->fEndT, work->pointLast(), opp);  in computePerpendiculars()
984         SkTSect* opp,  in intersects()  argument
1020         int sects = this->linesIntersect(span, opp, oppSpan, &i);  in intersects()
1029         opp->removedEndCheck(oppSpan);  in intersects()
1040 static bool is_parallel(const SkDLine& thisLine, const SkTCurve& opp) {  in is_parallel()  argument
1041     if (!opp.IsConic()) {  in is_parallel()
1050     perpRayI.intersectRay(opp, thisPerp);  in is_parallel()
1057     perpRayI.intersectRay(opp, thisPerp);  in is_parallel()
1069         SkTSect* opp,  in linesIntersect()  argument
1077     if (!thisRayI.intersectRay(opp->fCurve, thisLine)) {  in linesIntersect()
1091         if (ptMatches == 2 || is_parallel(thisLine, opp->fCurve)) {  in linesIntersect()
1146         if (!thisRayI.intersectRay(opp->fCurve, thisLine)) {  in linesIntersect()
1150         oppLine[0] = opp->fCurve.ptAtT(start);  in linesIntersect()
1151         oppLine[1] = oppLine[0] + opp->fCurve.dxdyAtT(start);  in linesIntersect()
1158     oCoinS.setPerp(opp->fCurve, oppSpan->fStartT, oppSpan->pointFirst(), fCurve);  in linesIntersect()
1159     oCoinE.setPerp(opp->fCurve, oppSpan->fEndT, oppSpan->pointLast(), fCurve);  in linesIntersect()
1175         coinS.setPerp(fCurve, span->fStartT, span->pointFirst(), opp->fCurve);  in linesIntersect()
1184         coinE.setPerp(fCurve, span->fEndT, span->pointLast(), opp->fCurve);  in linesIntersect()
1205         coinW.setPerp(fCurve, workT, workPt, opp->fCurve);  in linesIntersect()
1219     if (!opp->fHead->contains(oppTTest)) {  in linesIntersect()
1343         SkTSpan* span, SkTSect* opp) {  in removeAllBut()  argument
1352                 opp->removeSpan(bounded);  in removeAllBut()
1362 bool SkTSect::removeByPerpendicular(SkTSect* opp) {  in removeByPerpendicular()  argument
1379         if (!this->removeSpans(test, opp)) {  in removeByPerpendicular()
1439         SkTSect* opp) {  in removeSpans()  argument
1448             opp->removeSpan(spanBounded);  in removeSpans()
1450         if (span->fDeleted && opp->hasBounded(span)) {  in removeSpans()
1489         SkTSect* opp) {  in trim()  argument
1495         int oppSects, sects = this->intersects(span, opp, test, &oppSects);  in trim()
1498                 test->initBounds(opp->fCurve);  in trim()
1499                 opp->removeAllBut(span, test, this);  in trim()
1503                 this->removeAllBut(test, span, opp);  in trim()
1511                 opp->removeSpan(test);  in trim()