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FIX: failed to import svg file(path + width) STUDIO-1807

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Change-Id: I2a4e1866c0f23bfbec4ae6765a78f6f7d994cd19
(cherry picked from commit c8b59f4e3ffd0ba34a5d56ca7a0538ee854f1a91)
This commit is contained in:
zhimin.zeng 2023-04-04 10:29:36 +08:00 • committed by Lane.Wei
parent 37ed71b764
commit 74e1ba7963
1 changed files with 55 additions and 1 deletions
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56
src/libslic3r/Format/svg.cpp
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@ -19,6 +19,9 @@
#include "TopExp_Explorer.hxx"
#include "TopoDS.hxx"
#include "BRepExtrema_SelfIntersection.hxx"
#include "clipper/clipper.hpp"
using namespace ClipperLib;
namespace Slic3r {
const double STEP_TRANS_CHORD_ERROR = 0.005;
@ -188,7 +191,8 @@ bool get_svg_profile(const char *path, std::vector<Element_Info> &element_infos,
}
}
// keep the start and end points of profile connected
profile_line_points.back().second = profile_line_points[0].first;
if (shape->fill.gradient != nullptr)
profile_line_points.back().second = profile_line_points[0].first;
if (is_profile_self_interaction(profile_line_points))
BOOST_LOG_TRIVIAL(warning) << "the profile is self interaction.";
@ -196,6 +200,56 @@ bool get_svg_profile(const char *path, std::vector<Element_Info> &element_infos,
path_line_points.push_back(profile_line_points);
}
if (shape->fill.gradient == nullptr) {
double scale_size = 1e6;
std::vector<std::vector<std::pair<gp_Pnt, gp_Pnt>>> new_path_line_points;
float stroke_width = shape->strokeWidth * scale_size;
Polygons polygons;
bool close_polygon = false;
for (int i = 0; i < path_line_points.size(); ++i) {
ClipperLib::Path pt_path;
for (auto line_point : path_line_points[i]) {
pt_path.push_back(IntPoint(line_point.first.X() * scale_size, line_point.first.Y() * scale_size));
}
pt_path.push_back(IntPoint(path_line_points[i].back().second.X() * scale_size, path_line_points[i].back().second.Y() * scale_size));
ClipperLib::Paths out_paths;
ClipperLib::ClipperOffset co;
if (pt_path.front() == pt_path.back()) {
co.AddPath(pt_path, ClipperLib::jtMiter, ClipperLib::etClosedLine);
close_polygon = true;
} else {
co.AddPath(pt_path, ClipperLib::jtMiter, ClipperLib::etOpenSquare);
close_polygon = false;
}
co.Execute(out_paths, stroke_width / 2);
for (auto out_path : out_paths) {
polygons.emplace_back(Polygon(out_path));
}
}
if (!close_polygon)
polygons = union_(polygons);
std::vector<std::pair<gp_Pnt, gp_Pnt>> profile_line_points;
for (auto polygon : polygons) {
profile_line_points.clear();
for (int i = 0; i < polygon.size() - 1; ++i) {
gp_Pnt pt1(double(polygon[i][0] / scale_size), double(polygon[i][1] / scale_size), 0);
gp_Pnt pt2(double(polygon[i + 1][0] / scale_size), double(polygon[i + 1][1] / scale_size), 0);
profile_line_points.push_back({pt1, pt2});
}
gp_Pnt pt1(double(polygon.back()[0] / scale_size), double(polygon.back()[1] / scale_size), 0);
gp_Pnt pt2(double(polygon.front()[0] / scale_size), double(polygon.front()[1] / scale_size), 0);
profile_line_points.push_back({pt1, pt2});
new_path_line_points.push_back(profile_line_points);
}
path_line_points = new_path_line_points;
}
// generate all profile curves
std::vector<TopoDS_Wire> wires;
int index = 0;