bool Path::pointAndNormalAtLength(float length, FloatPoint& point, float& normal) const
{
SkPathMeasure measure(m_path, false);
if (calculatePointAndNormalOnPath(measure, WebCoreFloatToSkScalar(length), point, normal))
return true;
normal = 0;
point = FloatPoint(0, 0);
return false;
}
void Path::pointAndNormalAtLength(float length,
FloatPoint& point,
float& normal) const {
SkPathMeasure measure(m_path, false);
if (calculatePointAndNormalOnPath(measure, WebCoreFloatToSkScalar(length),
point, normal))
return;
SkPoint position = m_path.getPoint(0);
point =
FloatPoint(SkScalarToFloat(position.fX), SkScalarToFloat(position.fY));
normal = 0;
}
bool Path::PositionCalculator::pointAndNormalAtLength(float length, FloatPoint& point, float& normalAngle)
{
SkScalar skLength = WebCoreFloatToSkScalar(length);
if (skLength >= 0) {
if (skLength < m_accumulatedLength) {
// Reset path measurer to rewind (and restart from 0).
m_pathMeasure.setPath(&m_path, false);
m_accumulatedLength = 0;
} else {
skLength -= m_accumulatedLength;
}
if (calculatePointAndNormalOnPath(m_pathMeasure, skLength, point, normalAngle, &m_accumulatedLength))
return true;
}
normalAngle = 0;
point = FloatPoint(0, 0);
return false;
}
