diff options
Diffstat (limited to 'src/gui/painting/qbezier.cpp')
| -rw-r--r-- | src/gui/painting/qbezier.cpp | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp index 979b34d..8af6989 100644 --- a/src/gui/painting/qbezier.cpp +++ b/src/gui/painting/qbezier.cpp @@ -127,13 +127,13 @@ static inline void flattenBezierWithoutInflections(QBezier &bez, qreal dy = bez.y2 - bez.y1; qreal normalized = qSqrt(dx * dx + dy * dy); - if (qFuzzyCompare(normalized + 1, 1)) + if (qFuzzyIsNull(normalized)) break; qreal d = qAbs(dx * (bez.y3 - bez.y2) - dy * (bez.x3 - bez.x2)); qreal t = qSqrt(4. / 3. * normalized * flatness / d); - if (t > 1 || qFuzzyCompare(t, (qreal)1.)) + if (t > 1 || qFuzzyIsNull(t - (qreal)1.)) break; bez.parameterSplitLeft(t, &left); p->append(bez.pt1()); @@ -144,19 +144,19 @@ static inline void flattenBezierWithoutInflections(QBezier &bez, static inline int quadraticRoots(qreal a, qreal b, qreal c, qreal *x1, qreal *x2) { - if (qFuzzyCompare(a + 1, 1)) { - if (qFuzzyCompare(b + 1, 1)) + if (qFuzzyIsNull(a)) { + if (qFuzzyIsNull(b)) return 0; *x1 = *x2 = (-c / b); return 1; } else { const qreal det = b * b - 4 * a * c; - if (qFuzzyCompare(det + 1, 1)) { + if (qFuzzyIsNull(det)) { *x1 = *x2 = -b / (2 * a); return 1; } if (det > 0) { - if (qFuzzyCompare(b + 1, 1)) { + if (qFuzzyIsNull(b)) { *x2 = qSqrt(-c / a); *x1 = -(*x2); return 2; @@ -187,7 +187,7 @@ static inline bool findInflections(qreal a, qreal b, qreal c, *t1 = r2; *t2 = r1; } - if (!qFuzzyCompare(a + 1, 1)) + if (!qFuzzyIsNull(a)) *tCups = 0.5 * (-b / a); else *tCups = 2; @@ -243,7 +243,7 @@ void QBezier::addToPolygonMixed(QPolygonF *polygon) const qreal b = 6 * (ay * cx - ax * cy); qreal c = 2 * (by * cx - bx * cy); - if ((qFuzzyCompare(a + 1, 1) && qFuzzyCompare(b + 1, 1)) || + if ((qFuzzyIsNull(a) && qFuzzyIsNull(b)) || (b * b - 4 * a *c) < 0) { QBezier bez(*this); flattenBezierWithoutInflections(bez, polygon); @@ -447,7 +447,7 @@ static ShiftResult shift(const QBezier *orig, QBezier *shifted, qreal offset, qr qreal r = 1.0 + prev_normal.x() * next_normal.x() + prev_normal.y() * next_normal.y(); - if (qFuzzyCompare(r + 1, 1)) { + if (qFuzzyIsNull(r)) { points_shifted[i] = points[i] + offset * prev_normal; } else { qreal k = offset / r; @@ -477,12 +477,12 @@ static bool addCircle(const QBezier *b, qreal offset, QBezier *o) normals[0] = QPointF(b->y2 - b->y1, b->x1 - b->x2); qreal dist = qSqrt(normals[0].x()*normals[0].x() + normals[0].y()*normals[0].y()); - if (qFuzzyCompare(dist + 1, 1)) + if (qFuzzyIsNull(dist)) return false; normals[0] /= dist; normals[2] = QPointF(b->y4 - b->y3, b->x3 - b->x4); dist = qSqrt(normals[2].x()*normals[2].x() + normals[2].y()*normals[2].y()); - if (qFuzzyCompare(dist + 1, 1)) + if (qFuzzyIsNull(dist)) return false; normals[2] /= dist; @@ -673,10 +673,10 @@ static int IntersectBB(const QBezier &a, const QBezier &b) #ifdef QDEBUG_BEZIER static QDebug operator<<(QDebug dbg, const QBezier &bz) { - dbg <<"["<<bz.x1<<", "<<bz.y1<<"], " - <<"["<<bz.x2<<", "<<bz.y2<<"], " - <<"["<<bz.x3<<", "<<bz.y3<<"], " - <<"["<<bz.x4<<", "<<bz.y4<<"]"; + dbg << '[' << bz.x1<< ", " << bz.y1 << "], " + << '[' << bz.x2 <<", " << bz.y2 << "], " + << '[' << bz.x3 <<", " << bz.y3 << "], " + << '[' << bz.x4 <<", " << bz.y4 << ']'; return dbg; } #endif @@ -1022,7 +1022,7 @@ int QBezier::stationaryYPoints(qreal &t0, qreal &t1) const QList<qreal> result; - if (qFuzzyCompare(reciprocal + 1, 1)) { + if (qFuzzyIsNull(reciprocal)) { t0 = -b / (2 * a); return 1; } else if (reciprocal > 0) { |