fix tiger b

The tiger tests have uncovered numerous bugs.
This CL fixes the last of them.

If a pair of curves do not intersect, but
have one or both ends very close to the opposite
curve, consider that an intersection.

TBR=reed@google.com
BUG=skia:5131
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2356363003

Review-Url: https://codereview.chromium.org/2356363003
This commit is contained in:
caryclark 2016-09-26 05:36:58 -07:00 committed by Commit bot
parent eafe9d1577
commit 6c3b9cdcb0
13 changed files with 1568 additions and 224 deletions

View File

@ -29,6 +29,7 @@
'../tests/PathOpsBuildUseTest.cpp',
'../tests/PathOpsConicIntersectionTest.cpp',
'../tests/PathOpsConicLineIntersectionTest.cpp',
'../tests/PathOpsConicQuadIntersectionTest.cpp',
'../tests/PathOpsCubicConicIntersectionTest.cpp',
'../tests/PathOpsCubicIntersectionTest.cpp',
'../tests/PathOpsCubicIntersectionTestData.cpp',

View File

@ -841,11 +841,11 @@ void SkOpAngle::setSpans() {
}
const SkOpSegment* segment = fStart->segment();
const SkPoint* pts = segment->pts();
SkDEBUGCODE(fPart.fCurve.fVerb = SkPath::kCubic_Verb);
SkDEBUGCODE(fPart.fCurve.fVerb = SkPath::kCubic_Verb); // required for SkDCurve debug check
SkDEBUGCODE(fPart.fCurve[2].fX = fPart.fCurve[2].fY = fPart.fCurve[3].fX = fPart.fCurve[3].fY
= SK_ScalarNaN);
SkDEBUGCODE(fPart.fCurve.fVerb = segment->verb());
segment->subDivide(fStart, fEnd, &fPart.fCurve);
= SK_ScalarNaN); // make the non-line part uninitialized
SkDEBUGCODE(fPart.fCurve.fVerb = segment->verb()); // set the curve type for real
segment->subDivide(fStart, fEnd, &fPart.fCurve); // set at least the line part if not more
fOriginalCurvePart = fPart.fCurve;
const SkPath::Verb verb = segment->verb();
fPart.setCurveHullSweep(verb);

View File

@ -1216,7 +1216,7 @@ bool SkOpCoincidence::apply() {
}
windValue = oppValue = 0;
}
#if DEBUG_COINCIDENCE
#if 0 && DEBUG_COINCIDENCE
SkDebugf("seg=%d span=%d windValue=%d oppValue=%d\n", segment->debugID(),
start->debugID(), windValue, oppValue);
SkDebugf("seg=%d span=%d windValue=%d oppValue=%d\n", oSegment->debugID(),

View File

@ -168,6 +168,8 @@ public:
return SkDEBUGRELEASE(fGlobalState->debugAngle(id), nullptr);
}
void debugCheckBetween() const;
#if DEBUG_COINCIDENCE_VERBOSE
void debugCheckValid(const char* id, SkPathOpsDebug::GlitchLog* log) const;
#endif

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@ -371,7 +371,7 @@ void SkPathOpsDebug::CheckHealth(SkOpContourHead* contourList, const char* id) {
SkDebugf("\n");
}
contourList->globalState()->debugSetCheckHealth(false);
#if 0 && DEBUG_ACTIVE_SPANS
#if 01 && DEBUG_ACTIVE_SPANS
SkDebugf("active after %s:\n", id);
ShowActiveSpans(contourList);
#endif
@ -1846,11 +1846,9 @@ void SkOpCoincidence::debugMarkCollapsed(const char* id, SkPathOpsDebug::GlitchL
#endif
void SkCoincidentSpans::debugShow() const {
SkDebugf("%s - id=%d t=%1.9g tEnd=%1.9g\n", __FUNCTION__,
coinPtTStart()->segment()->debugID(),
SkDebugf("coinSpan - id=%d t=%1.9g tEnd=%1.9g\n", coinPtTStart()->segment()->debugID(),
coinPtTStart()->fT, coinPtTEnd()->fT);
SkDebugf("%s + id=%d t=%1.9g tEnd=%1.9g\n", __FUNCTION__,
oppPtTStart()->segment()->debugID(),
SkDebugf("coinSpan + id=%d t=%1.9g tEnd=%1.9g\n", oppPtTStart()->segment()->debugID(),
oppPtTStart()->fT, oppPtTEnd()->fT);
}
@ -1865,7 +1863,7 @@ void SkOpCoincidence::debugShowCoincidence() const {
}
#if DEBUG_COINCIDENCE
static void DebugValidate(const SkOpSpanBase* next, const SkOpSpanBase* end,
static void DebugCheckBetween(const SkOpSpanBase* next, const SkOpSpanBase* end,
double oStart, double oEnd, const SkOpSegment* oSegment,
const char* id, SkPathOpsDebug::GlitchLog* log) {
SkASSERT(next != end);
@ -1986,12 +1984,6 @@ static void DebugValidate(const SkCoincidentSpans* head, const SkCoincidentSpans
SkASSERT(coin->coinPtTEnd()->span()->ptT() == coin->coinPtTEnd());
SkASSERT(coin->oppPtTStart()->span()->ptT() == coin->oppPtTStart());
SkASSERT(coin->oppPtTEnd()->span()->ptT() == coin->oppPtTEnd());
DebugValidate(coin->coinPtTStart()->span(), coin->coinPtTEnd()->span(),
coin->oppPtTStart()->fT, coin->oppPtTEnd()->fT, coin->oppPtTStart()->segment(),
id, log);
DebugValidate(coin->oppPtTStart()->span(), coin->oppPtTEnd()->span(),
coin->coinPtTStart()->fT, coin->coinPtTEnd()->fT, coin->coinPtTStart()->segment(),
id, log);
coin = coin->next();
}
DebugCheckOverlapTop(head, opt, id, log);
@ -2000,14 +1992,39 @@ static void DebugValidate(const SkCoincidentSpans* head, const SkCoincidentSpans
void SkOpCoincidence::debugValidate() const {
#if DEBUG_COINCIDENCE
// if (fGlobalState->debugCheckHealth()) {
// return;
// }
DebugValidate(fHead, fTop, nullptr, nullptr);
DebugValidate(fTop, nullptr, nullptr, nullptr);
#endif
}
#if DEBUG_COINCIDENCE
static void DebugCheckBetween(const SkCoincidentSpans* head, const SkCoincidentSpans* opt,
const char* id, SkPathOpsDebug::GlitchLog* log) {
// look for pts inside coincident spans that are not inside the opposite spans
const SkCoincidentSpans* coin = head;
while (coin) {
DebugCheckBetween(coin->coinPtTStart()->span(), coin->coinPtTEnd()->span(),
coin->oppPtTStart()->fT, coin->oppPtTEnd()->fT, coin->oppPtTStart()->segment(),
id, log);
DebugCheckBetween(coin->oppPtTStart()->span(), coin->oppPtTEnd()->span(),
coin->coinPtTStart()->fT, coin->coinPtTEnd()->fT, coin->coinPtTStart()->segment(),
id, log);
coin = coin->next();
}
DebugCheckOverlapTop(head, opt, id, log);
}
#endif
void SkOpCoincidence::debugCheckBetween() const {
#if DEBUG_COINCIDENCE
if (fGlobalState->debugCheckHealth()) {
return;
}
DebugCheckBetween(fHead, fTop, nullptr, nullptr);
DebugCheckBetween(fTop, nullptr, nullptr, nullptr);
#endif
}
#if DEBUG_COINCIDENCE_VERBOSE
void SkOpCoincidence::debugCheckValid(const char* id, SkPathOpsDebug::GlitchLog* log) const {
DebugValidate(fHead, fTop, id, log);

View File

@ -77,7 +77,7 @@
#define DEBUG_ALIGNMENT 0
#define DEBUG_ANGLE 1
#define DEBUG_ASSEMBLE 1
#define DEBUG_COINCIDENCE 1
#define DEBUG_COINCIDENCE 01
#define DEBUG_COINCIDENCE_ORDER 0 // tight arc quads may generate out-of-order coincdence spans
#define DEBUG_COINCIDENCE_VERBOSE 0
#define DEBUG_CUBIC_BINARY_SEARCH 0

View File

@ -31,29 +31,29 @@ public:
#ifdef SK_DEBUG
this->fPerpPt.fX = this->fPerpPt.fY = SK_ScalarNaN;
this->fPerpT = SK_ScalarNaN;
this->fCoincident = 0xFF;
this->fMatch = 0xFF;
#endif
}
char dumpIsCoincidentStr() const;
void dump() const;
bool isCoincident() const {
SkASSERT(!!fCoincident == fCoincident);
return SkToBool(fCoincident);
bool isMatch() const {
SkASSERT(!!fMatch == fMatch);
return SkToBool(fMatch);
}
void init() {
fPerpT = -1;
fCoincident = false;
fMatch = false;
fPerpPt.fX = fPerpPt.fY = SK_ScalarNaN;
}
void markCoincident() {
if (!fCoincident) {
if (!fMatch) {
fPerpT = -1;
}
fCoincident = true;
fMatch = true;
}
const SkDPoint& perpPt() const {
@ -69,7 +69,7 @@ public:
private:
SkDPoint fPerpPt;
double fPerpT; // perpendicular intersection on opposite curve
SkOpDebugBool fCoincident;
SkOpDebugBool fMatch;
};
template<typename TCurve, typename OppCurve> class SkTSect;
@ -330,6 +330,8 @@ private:
SkTSpan<TCurve, OppCurve>* fCoincident;
SkTSpan<TCurve, OppCurve>* fDeleted;
int fActiveCount;
bool fRemovedStartT;
bool fRemovedEndT;
SkDEBUGCODE(SkOpGlobalState* fDebugGlobalState);
SkDEBUGCODE(SkTSect<OppCurve, TCurve>* fOppSect);
PATH_OPS_DEBUG_T_SECT_CODE(int fID);
@ -372,9 +374,9 @@ void SkTCoincident<TCurve, OppCurve>::setPerp(const TCurve& c1, double t,
t, cPt.fX, cPt.fY,
cPt.approximatelyEqual(fPerpPt) ? "==" : "!=", fPerpT, fPerpPt.fX, fPerpPt.fY);
#endif
fCoincident = cPt.approximatelyEqual(fPerpPt);
fMatch = cPt.approximatelyEqual(fPerpPt);
#if DEBUG_T_SECT
if (fCoincident) {
if (fMatch) {
SkDebugf(""); // allow setting breakpoint
}
#endif
@ -801,11 +803,11 @@ void SkTSpan<TCurve, OppCurve>::validate() const {
SkASSERT(fStartT <= fEndT);
SkASSERT(fBounded || fCollapsed == 0xFF);
if (fHasPerp) {
if (fCoinStart.isCoincident()) {
if (fCoinStart.isMatch()) {
validatePerpT(fCoinStart.perpT());
validatePerpPt(fCoinStart.perpT(), fCoinStart.perpPt());
}
if (fCoinEnd.isCoincident()) {
if (fCoinEnd.isMatch()) {
validatePerpT(fCoinEnd.perpT());
validatePerpPt(fCoinEnd.perpT(), fCoinEnd.perpPt());
}
@ -926,7 +928,7 @@ bool SkTSect<TCurve, OppCurve>::binarySearchCoin(SkTSect<OppCurve, TCurve>* sect
}
last = work.fPart[0];
work.fCoinStart.setPerp(fCurve, work.fStartT, last, opp);
if (work.fCoinStart.isCoincident()) {
if (work.fCoinStart.isMatch()) {
#if DEBUG_T_SECT
work.validatePerpPt(work.fCoinStart.perpT(), work.fCoinStart.perpPt());
#endif
@ -1083,7 +1085,7 @@ void SkTSect<TCurve, OppCurve>::computePerpendiculars(SkTSect<OppCurve, TCurve>*
} else {
work->fCoinStart.setPerp(fCurve, work->fStartT, work->fPart[0], opp);
}
if (work->fCoinStart.isCoincident()) {
if (work->fCoinStart.isMatch()) {
double perpT = work->fCoinStart.perpT();
if (sect2->coincidentHasT(perpT)) {
work->fCoinStart.init();
@ -1092,7 +1094,7 @@ void SkTSect<TCurve, OppCurve>::computePerpendiculars(SkTSect<OppCurve, TCurve>*
}
}
work->fCoinEnd.setPerp(fCurve, work->fEndT, work->fPart[TCurve::kPointLast], opp);
if (work->fCoinEnd.isCoincident()) {
if (work->fCoinEnd.isMatch()) {
double perpT = work->fCoinEnd.perpT();
if (sect2->coincidentHasT(perpT)) {
work->fCoinEnd.init();
@ -1175,9 +1177,9 @@ bool SkTSect<TCurve, OppCurve>::extractCoincident(
double oppStartT SK_INIT_TO_AVOID_WARNING;
double oppEndT SK_INIT_TO_AVOID_WARNING;
SkTSpan<TCurve, OppCurve>* prev = first->fPrev;
SkASSERT(first->fCoinStart.isCoincident());
SkASSERT(first->fCoinStart.isMatch());
SkTSpan<OppCurve, TCurve>* oppFirst = first->findOppT(first->fCoinStart.perpT());
SkOPASSERT(last->fCoinEnd.isCoincident());
SkOPASSERT(last->fCoinEnd.isMatch());
bool oppMatched = first->fCoinStart.perpT() < first->fCoinEnd.perpT();
double coinStart;
SkDEBUGCODE(double coinEnd);
@ -1208,7 +1210,7 @@ bool SkTSect<TCurve, OppCurve>::extractCoincident(
}
// FIXME: incomplete : if we're not at the end, find end of coin
SkTSpan<OppCurve, TCurve>* oppLast;
SkOPASSERT(last->fCoinEnd.isCoincident());
SkOPASSERT(last->fCoinEnd.isMatch());
oppLast = last->findOppT(last->fCoinEnd.perpT());
SkDEBUGCODE(coinEnd = last->fEndT);
#ifdef SK_DEBUG
@ -1279,13 +1281,13 @@ SkTSpan<TCurve, OppCurve>* SkTSect<TCurve, OppCurve>::findCoincidentRun(
first = nullptr;
// find the first fully coincident span
do {
if (work->fCoinStart.isCoincident()) {
if (work->fCoinStart.isMatch()) {
#if DEBUG_T_SECT
work->validatePerpT(work->fCoinStart.perpT());
work->validatePerpPt(work->fCoinStart.perpT(), work->fCoinStart.perpPt());
#endif
SkASSERT(work->hasOppT(work->fCoinStart.perpT()));
if (!work->fCoinEnd.isCoincident()) {
if (!work->fCoinEnd.isMatch()) {
break;
}
lastCandidate = work;
@ -1532,7 +1534,7 @@ int SkTSect<TCurve, OppCurve>::linesIntersect(SkTSpan<TCurve, OppCurve>* span,
workPt = fCurve.ptAtT(workT);
coinW.setPerp(fCurve, workT, workPt, opp->fCurve);
double perpT = coinW.perpT();
if (coinW.isCoincident() ? !between(oppSpan->fStartT, perpT, oppSpan->fEndT) : perpT < 0) {
if (coinW.isMatch() ? !between(oppSpan->fStartT, perpT, oppSpan->fEndT) : perpT < 0) {
continue;
}
SkDVector perpW = workPt - coinW.perpPt();
@ -1628,7 +1630,7 @@ void SkTSect<TCurve, OppCurve>::mergeCoincidence(SkTSect<OppCurve, TCurve>* sect
SkDPoint midPt = fCurve.ptAtT(midT);
SkTCoincident<TCurve, OppCurve> coin;
coin.setPerp(fCurve, midT, midPt, sect2->fCurve);
if (coin.isCoincident()) {
if (coin.isMatch()) {
smaller->fEndT = larger->fEndT;
smaller->fCoinEnd = larger->fCoinEnd;
if (largerPrior) {
@ -1728,6 +1730,12 @@ void SkTSect<TCurve, OppCurve>::removeCoincident(SkTSpan<TCurve, OppCurve>* span
template<typename TCurve, typename OppCurve>
bool SkTSect<TCurve, OppCurve>::removeSpan(SkTSpan<TCurve, OppCurve>* span) {
if (!span->fStartT) {
fRemovedStartT = true;
}
if (1 == span->fEndT) {
fRemovedEndT = true;
}
this->unlinkSpan(span);
return this->markSpanGone(span);
}
@ -2126,6 +2134,8 @@ void SkTSect<TCurve, OppCurve>::BinarySearch(SkTSect<TCurve, OppCurve>* sect1,
break;
}
SkTSpan<OppCurve, TCurve>* largest2 = sect2->boundsMax();
sect1->fRemovedStartT = sect1->fRemovedEndT = false;
sect2->fRemovedStartT = sect2->fRemovedEndT = false;
// split it
if (!largest2 || (largest1 && (largest1->fBoundsMax > largest2->fBoundsMax
|| (!largest1->fCollapsed && largest2->fCollapsed)))) {
@ -2214,10 +2224,10 @@ void SkTSect<TCurve, OppCurve>::BinarySearch(SkTSect<TCurve, OppCurve>* sect1,
}
SkASSERT(sect2->fCoincident); // courtesy check : coincidence only looks at sect 1
do {
if (!coincident->fCoinStart.isCoincident()) {
if (!coincident->fCoinStart.isMatch()) {
continue;
}
if (!coincident->fCoinEnd.isCoincident()) {
if (!coincident->fCoinEnd.isMatch()) {
continue;
}
int index = intersections->insertCoincident(coincident->fStartT,
@ -2231,6 +2241,35 @@ void SkTSect<TCurve, OppCurve>::BinarySearch(SkTSect<TCurve, OppCurve>* sect1,
}
int zeroOneSet = EndsEqual(sect1, sect2, intersections);
if (!sect1->fHead || !sect2->fHead) {
// if the final iteration contains an end (0 or 1),
if (sect1->fRemovedStartT && !(zeroOneSet & kZeroS1Set)) {
SkTCoincident<TCurve, OppCurve> perp; // intersect perpendicular with opposite curve
perp.setPerp(sect1->fCurve, 0, sect1->fCurve.fPts[0], sect2->fCurve);
if (perp.isMatch()) {
intersections->insert(0, perp.perpT(), perp.perpPt());
}
}
if (sect1->fRemovedEndT && !(zeroOneSet & kOneS1Set)) {
SkTCoincident<TCurve, OppCurve> perp;
perp.setPerp(sect1->fCurve, 1, sect1->fCurve.fPts[TCurve::kPointLast], sect2->fCurve);
if (perp.isMatch()) {
intersections->insert(1, perp.perpT(), perp.perpPt());
}
}
if (sect2->fRemovedStartT && !(zeroOneSet & kZeroS2Set)) {
SkTCoincident<OppCurve, TCurve> perp;
perp.setPerp(sect2->fCurve, 0, sect2->fCurve.fPts[0], sect1->fCurve);
if (perp.isMatch()) {
intersections->insert(perp.perpT(), 0, perp.perpPt());
}
}
if (sect2->fRemovedEndT && !(zeroOneSet & kOneS2Set)) {
SkTCoincident<OppCurve, TCurve> perp;
perp.setPerp(sect2->fCurve, 1, sect2->fCurve.fPts[OppCurve::kPointLast], sect1->fCurve);
if (perp.isMatch()) {
intersections->insert(perp.perpT(), 1, perp.perpPt());
}
}
return;
}
sect1->recoverCollapsed();
@ -2279,7 +2318,7 @@ void SkTSect<TCurve, OppCurve>::BinarySearch(SkTSect<TCurve, OppCurve>* sect1,
}
SkClosestSect<TCurve, OppCurve> closest;
do {
while (result1 && result1->fCoinStart.isCoincident() && result1->fCoinEnd.isCoincident()) {
while (result1 && result1->fCoinStart.isMatch() && result1->fCoinEnd.isMatch()) {
result1 = result1->fNext;
}
if (!result1) {
@ -2305,7 +2344,7 @@ void SkTSect<TCurve, OppCurve>::BinarySearch(SkTSect<TCurve, OppCurve>* sect1,
// intersect perpendicular with opposite curve
SkTCoincident<TCurve, OppCurve> perp;
perp.setPerp(sect1->fCurve, midT, midPt, sect2->fCurve);
if (!perp.isCoincident()) {
if (!perp.isMatch()) {
++index;
continue;
}

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@ -0,0 +1,69 @@
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "PathOpsTestCommon.h"
#include "SkIntersections.h"
#include "SkPathOpsConic.h"
#include "SkPathOpsQuad.h"
#include "SkReduceOrder.h"
#include "Test.h"
static struct conicQuad {
SkDConic conic;
SkDQuad quad;
} conicQuadTests[] = {
{{{{{494.348663,224.583771}, {494.365143,224.633194}, {494.376404,224.684067}}}, 0.998645842f},
{{{494.30481,224.474213}, {494.334961,224.538284}, {494.355774,224.605927}}}},
{{{{{494.348663,224.583771}, {494.365143,224.633194}, {494.376404,224.684067}}}, 0.998645842f},
{{{494.355774f, 224.605927f}, {494.363708f, 224.631714f}, {494.370148f, 224.657471f}}}},
};
static const int conicQuadTests_count = (int) SK_ARRAY_COUNT(conicQuadTests);
static void conicQuadIntersection(skiatest::Reporter* reporter, int index) {
const SkDConic& conic = conicQuadTests[index].conic;
SkASSERT(ValidConic(conic));
const SkDQuad& quad = conicQuadTests[index].quad;
SkASSERT(ValidQuad(quad));
SkReduceOrder reduce1;
SkReduceOrder reduce2;
int order1 = reduce2.reduce(conic.fPts);
int order2 = reduce1.reduce(quad);
if (order2 != 3) {
SkDebugf("[%d] conic order=%d\n", index, order1);
REPORTER_ASSERT(reporter, 0);
}
if (order1 != 3) {
SkDebugf("[%d] quad order=%d\n", index, order2);
REPORTER_ASSERT(reporter, 0);
}
SkIntersections i;
int roots = i.intersect(conic, quad);
for (int pt = 0; pt < roots; ++pt) {
double tt1 = i[0][pt];
SkDPoint xy1 = conic.ptAtT(tt1);
double tt2 = i[1][pt];
SkDPoint xy2 = quad.ptAtT(tt2);
if (!xy1.approximatelyEqual(xy2)) {
SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n",
__FUNCTION__, index, pt, tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY);
}
REPORTER_ASSERT(reporter, xy1.approximatelyEqual(xy2));
}
reporter->bumpTestCount();
}
DEF_TEST(PathOpsConicQuadIntersection, reporter) {
for (int index = 0; index < conicQuadTests_count; ++index) {
conicQuadIntersection(reporter, index);
reporter->bumpTestCount();
}
}
DEF_TEST(PathOpsConicQuadIntersectionOneOff, reporter) {
conicQuadIntersection(reporter, 1);
}

View File

@ -404,10 +404,10 @@ static void oneOff(skiatest::Reporter* reporter, const SkDCubic& cubic1, const S
SkDebugf("sect%d,\n", index);
}
#endif
if (coin && intersections.used() != 2) {
if (coin && intersections.used() < 2) {
SkDebugf("");
}
REPORTER_ASSERT(reporter, !coin || intersections.used() == 2);
REPORTER_ASSERT(reporter, !coin || intersections.used() >= 2);
double tt1, tt2;
SkDPoint xy1, xy2;
for (int pt3 = 0; pt3 < intersections.used(); ++pt3) {

View File

@ -5331,7 +5331,7 @@ static void tiger8b_h_1(skiatest::Reporter* reporter, const char* filename) {
#if DEBUG_UNDER_DEVELOPMENT // tiger
return;
#endif
uint64_t testlines = 0x000000201304b4a3; // best so far: 0x000000201304b4a3
uint64_t testlines = 0x000000000f27b9e3; // best so far: 0x000000201304b4a3
tiger8b_x(reporter, filename, testlines);
}
@ -5870,7 +5870,7 @@ static void testQuads73(skiatest::Reporter* reporter, const char* filename) {
}
static void (*skipTest)(skiatest::Reporter* , const char* filename) = 0;
static void (*firstTest)(skiatest::Reporter* , const char* filename) = 0;
static void (*firstTest)(skiatest::Reporter* , const char* filename) = tiger8b_h_1;
static void (*stopTest)(skiatest::Reporter* , const char* filename) = 0;
static TestDesc tests[] = {

View File

@ -9,16 +9,16 @@
template<typename TCurve, typename OppCurve>
char SkTCoincident<TCurve, OppCurve>::dumpIsCoincidentStr() const {
if (!!fCoincident != fCoincident) {
if (!!fMatch != fMatch) {
return '?';
}
return fCoincident ? '*' : 0;
return fMatch ? '*' : 0;
}
template<typename TCurve, typename OppCurve>
void SkTCoincident<TCurve, OppCurve>::dump() const {
SkDebugf("t=%1.9g pt=(%1.9g,%1.9g)%s\n", fPerpT, fPerpPt.fX, fPerpPt.fY,
fCoincident ? " coincident" : "");
fMatch ? " match" : "");
}
template<typename TCurve, typename OppCurve>

View File

@ -6,42 +6,17 @@
<title></title>
<div style="height:0">
<div id="perp">
{{{130.0427549999999997, 11417.41309999999976}, {130.2331240000000037, 11418.3192999999992}, {131.0370790000000056, 11419}, {132, 11419}}},
{{{132, 11419}, {130.8954319999999996, 11419}, {130, 11418.10449999999946}, {130, 11417}}},
<div id="cubics">
{{{317, 711}, {322.522857666015625, 711}, {327, 715.4771728515625}, {327, 721}}},
{{{324.071075439453125, 713.928955078125}, {324.4051513671875, 714.26300048828125}, {324.715667724609375, 714.62060546875}, {325, 714.9990234375}}},
</div>
<div id="quads">
{{{-0.001019871095195412636, -0.008523519150912761688}, {-0.005396408028900623322, -0.005396373569965362549}, {-0.02855382487177848816, -0.02855364233255386353}}},
{{{-0.004567248281091451645, -0.01482933573424816132}, {-0.01142475008964538574, -0.01140109263360500336}, {-0.02852955088019371033, -0.02847047336399555206}}},
</div>
<div id="both">
{{fX=0.000000000 fY=0.000000000 }, {fX=494.350159 fY=228.773712 }, {fX=493.191650 fY=226.887451 }}
{{fX=0.000000000 fY=0.000000000 } {fX=492.680206 fY=228.000900 } {fX=493.193817 fY=226.897568 }
{{fX=493.193817 fY=226.897568 } {fX=493.195557 fY=226.893829 } {fX=493.191650 fY=226.887451 }
</div>
<div id="startguy">
{{fX=0.000000000 fY=0.000000000 }, {fX=494.350159 fY=228.773712 }, {fX=493.191650 fY=226.887451 }}
{{fX=0.000000000 fY=0.000000000 }, {fX=494.350159 fY=228.773712 }, {fX=493.191650 fY=226.887451 }}
</div>
<div id="splitted">
{{fX=0.000000000 fY=0.000000000 } {fX=492.680206 fY=228.000900 } {fX=493.193817 fY=226.897568 }
{{fX=493.193817 fY=226.897568 } {fX=493.195557 fY=226.893829 } {fX=493.191650 fY=226.887451 }
</div>
</div>
<script type="text/javascript">
var testDivs = [
perp,
quads,
both,
startguy,
splitted
cubics
];
var decimal_places = 3;

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