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add “overhang_reverse”

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Wang YB
2024-05-24 10:54:29 +08:00
parent e77259c80b
commit 125abfca57
15 changed files with 318 additions and 23 deletions
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44
src/libslic3r/ClipperUtils.cpp
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@@ -66,7 +66,8 @@ namespace ClipperUtils {
// Useful as an optimization for expensive ClipperLib operations, for example when clipping source polygons one by one
// with a set of polygons covering the whole layer below.
template<typename PointsType>
inline void clip_clipper_polygon_with_subject_bbox_templ(const PointsType &src, const BoundingBox &bbox, PointsType &out)
//w38
inline void clip_clipper_polygon_with_subject_bbox_templ(const PointsType &src, const BoundingBox &bbox, PointsType &out,const bool get_entire_polygons=false)
{
using PointType = typename PointsType::value_type;
@@ -121,6 +122,8 @@ namespace ClipperUtils {
void clip_clipper_polygon_with_subject_bbox(const Points &src, const BoundingBox &bbox, Points &out)
{ clip_clipper_polygon_with_subject_bbox_templ(src, bbox, out); }
//w38
void clip_clipper_polygon_with_subject_bbox(const Points &src, const BoundingBox &bbox, Points &out, const bool get_entire_polygons) { clip_clipper_polygon_with_subject_bbox_templ(src, bbox, out, get_entire_polygons); }
void clip_clipper_polygon_with_subject_bbox(const ZPoints &src, const BoundingBox &bbox, ZPoints &out)
{ clip_clipper_polygon_with_subject_bbox_templ(src, bbox, out); }
@@ -149,6 +152,14 @@ namespace ClipperUtils {
return out;
}
//w38
[[nodiscard]] Polygon clip_clipper_polygon_with_subject_bbox(const Polygon &src, const BoundingBox &bbox, const bool get_entire_polygons)
{
Polygon out;
clip_clipper_polygon_with_subject_bbox(src.points, bbox, out.points, get_entire_polygons);
return out;
}
[[nodiscard]] Polygons clip_clipper_polygons_with_subject_bbox(const Polygons &src, const BoundingBox &bbox)
{
Polygons out;
@@ -172,7 +183,36 @@ namespace ClipperUtils {
out.end());
return out;
}
}
//w38
[[nodiscard]] Polygons clip_clipper_polygons_with_subject_bbox(const ExPolygon & src,
const BoundingBox &bbox,
const bool get_entire_polygons)
{
Polygons out;
out.reserve(src.num_contours());
out.emplace_back(clip_clipper_polygon_with_subject_bbox(src.contour, bbox, get_entire_polygons));
for (const Polygon &p : src.holes)
out.emplace_back(clip_clipper_polygon_with_subject_bbox(p, bbox, get_entire_polygons));
out.erase(std::remove_if(out.begin(), out.end(), [](const Polygon &polygon) { return polygon.empty(); }), out.end());
return out;
}
//w38
[[nodiscard]] Polygons clip_clipper_polygons_with_subject_bbox(const ExPolygons & src,
const BoundingBox &bbox,
const bool get_entire_polygons)
{
Polygons out;
out.reserve(number_polygons(src));
for (const ExPolygon &p : src) {
Polygons temp = clip_clipper_polygons_with_subject_bbox(p, bbox, get_entire_polygons);
out.insert(out.end(), temp.begin(), temp.end());
}
out.erase(std::remove_if(out.begin(), out.end(), [](const Polygon &polygon) { return polygon.empty(); }), out.end());
return out;
}
}
static ExPolygons PolyTreeToExPolygons(ClipperLib::PolyTree &&polytree)
{