本文整理汇总了C++中SPCurve::reset方法的典型用法代码示例。如果您正苦于以下问题：C++ SPCurve::reset方法的具体用法？C++ SPCurve::reset怎么用？C++ SPCurve::reset使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SPCurve的用法示例。
在下文中一共展示了SPCurve::reset方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SPCurve
void
LPESimplify::generateHelperPathAndSmooth(Geom::PathVector &result)
{
if(steps < 1) {
return;
}
Geom::PathVector tmp_path;
Geom::CubicBezier const *cubic = NULL;
for (Geom::PathVector::iterator path_it = result.begin(); path_it != result.end(); ++path_it) {
if (path_it->empty()) {
continue;
}
Geom::Path::iterator curve_it1 = path_it->begin(); // incoming curve
Geom::Path::iterator curve_it2 = ++(path_it->begin());// outgoing curve
Geom::Path::iterator curve_endit = path_it->end_default(); // this determines when the loop has to stop
SPCurve *nCurve = new SPCurve();
if (path_it->closed()) {
// if the path is closed, maybe we have to stop a bit earlier because the
// closing line segment has zerolength.
const Geom::Curve &closingline =
path_it->back_closed(); // the closing line segment is always of type
// Geom::LineSegment.
if (are_near(closingline.initialPoint(), closingline.finalPoint())) {
// closingline.isDegenerate() did not work, because it only checks for
// *exact* zero length, which goes wrong for relative coordinates and
// rounding errors...
// the closing line segment has zero-length. So stop before that one!
curve_endit = path_it->end_open();
}
}
if(helper_size > 0) {
drawNode(curve_it1->initialPoint());
}
nCurve->moveto(curve_it1->initialPoint());
Geom::Point start = Geom::Point(0,0);
while (curve_it1 != curve_endit) {
cubic = dynamic_cast<Geom::CubicBezier const *>(&*curve_it1);
Geom::Point point_at1 = curve_it1->initialPoint();
Geom::Point point_at2 = curve_it1->finalPoint();
Geom::Point point_at3 = curve_it1->finalPoint();
Geom::Point point_at4 = curve_it1->finalPoint();
if(start == Geom::Point(0,0)) {
start = point_at1;
}
if (cubic) {
point_at1 = (*cubic)[1];
point_at2 = (*cubic)[2];
}
if(path_it->closed() && curve_it2 == curve_endit) {
point_at4 = start;
}
if(curve_it2 != curve_endit) {
cubic = dynamic_cast<Geom::CubicBezier const *>(&*curve_it2);
if (cubic) {
point_at4 = (*cubic)[1];
}
}
Geom::Ray ray1(point_at2, point_at3);
Geom::Ray ray2(point_at3, point_at4);
double angle1 = Geom::deg_from_rad(ray1.angle());
double angle2 = Geom::deg_from_rad(ray2.angle());
if((smooth_angles >= std::abs(angle2 - angle1)) && !are_near(point_at4,point_at3) && !are_near(point_at2,point_at3)) {
double dist = Geom::distance(point_at2,point_at3);
Geom::Angle angleFixed = ray2.angle();
angleFixed -= Geom::Angle::from_degrees(180.0);
point_at2 = Geom::Point::polar(angleFixed, dist) + point_at3;
}
nCurve->curveto(point_at1, point_at2, curve_it1->finalPoint());
cubic = dynamic_cast<Geom::CubicBezier const *>(nCurve->last_segment());
if (cubic) {
point_at1 = (*cubic)[1];
point_at2 = (*cubic)[2];
if(helper_size > 0) {
if(!are_near((*cubic)[0],(*cubic)[1])) {
drawHandle((*cubic)[1]);
drawHandleLine((*cubic)[0],(*cubic)[1]);
}
if(!are_near((*cubic)[3],(*cubic)[2])) {
drawHandle((*cubic)[2]);
drawHandleLine((*cubic)[3],(*cubic)[2]);
}
}
}
if(helper_size > 0) {
drawNode(curve_it1->finalPoint());
}
++curve_it1;
++curve_it2;
}
if (path_it->closed()) {
nCurve->closepath_current();
}
tmp_path.push_back(nCurve->get_pathvector()[0]);
nCurve->reset();
delete nCurve;
}
//.........这里部分代码省略.........