本文整理汇总了C++中ExPolygons::empty方法的典型用法代码示例。如果您正苦于以下问题：C++ ExPolygons::empty方法的具体用法？C++ ExPolygons::empty怎么用？C++ ExPolygons::empty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ExPolygons的用法示例。
在下文中一共展示了ExPolygons::empty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: flow
ExtrusionEntityCollection
PerimeterGenerator::_fill_gaps(double min, double max, double w,
const Polygons &gaps) const
{
ExtrusionEntityCollection coll;
min *= (1 - INSET_OVERLAP_TOLERANCE);
ExPolygons curr = diff_ex(
offset2(gaps, -min/2, +min/2),
offset2(gaps, -max/2, +max/2),
true
);
Polylines polylines;
for (ExPolygons::const_iterator ex = curr.begin(); ex != curr.end(); ++ex)
ex->medial_axis(max, min/2, &polylines);
if (polylines.empty())
return coll;
#ifdef SLIC3R_DEBUG
if (!curr.empty())
printf(" %zu gaps filled with extrusion width = %f\n", curr.size(), w);
#endif
//my $flow = $layerm->flow(FLOW_ROLE_SOLID_INFILL, 0, $w);
Flow flow(
w, this->layer_height, this->solid_infill_flow.nozzle_diameter
);
double mm3_per_mm = flow.mm3_per_mm();
for (Polylines::const_iterator p = polylines.begin(); p != polylines.end(); ++p) {
ExtrusionPath path(erGapFill);
path.polyline = *p;
path.mm3_per_mm = mm3_per_mm;
path.width = flow.width;
path.height = this->layer_height;
if (p->is_valid() && p->first_point().coincides_with(p->last_point())) {
// since medial_axis() now returns only Polyline objects, detect loops here
ExtrusionLoop loop;
loop.paths.push_back(path);
coll.append(loop);
} else {
coll.append(path);
}
}
return coll;
}