diff options
Diffstat (limited to 'src/gui/painting/qbezier.cpp')
| -rw-r--r-- | src/gui/painting/qbezier.cpp | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp index 2762560da7..33075b640d 100644 --- a/src/gui/painting/qbezier.cpp +++ b/src/gui/painting/qbezier.cpp @@ -119,37 +119,6 @@ QBezier QBezier::getSubRange(qreal t0, qreal t1) const return result; } -static inline int quadraticRoots(qreal a, qreal b, qreal c, - qreal *x1, qreal *x2) -{ - if (qFuzzyIsNull(a)) { - if (qFuzzyIsNull(b)) - return 0; - *x1 = *x2 = (-c / b); - return 1; - } else { - const qreal det = b * b - 4 * a * c; - if (qFuzzyIsNull(det)) { - *x1 = *x2 = -b / (2 * a); - return 1; - } - if (det > 0) { - if (qFuzzyIsNull(b)) { - *x2 = qSqrt(-c / a); - *x1 = -(*x2); - return 2; - } - const qreal stableA = b / (2 * a); - const qreal stableB = c / (a * stableA * stableA); - const qreal stableC = -1 - qSqrt(1 - stableB); - *x2 = stableA * stableC; - *x1 = (stableA * stableB) / stableC; - return 2; - } else - return 0; - } -} - void QBezier::addToPolygon(QPolygonF *polygon, qreal bezier_flattening_threshold) const { QBezier beziers[10]; |