mirror of https://github.com/vitalif/Slic3r
166 lines
3.1 KiB
C++
166 lines
3.1 KiB
C++
#include "Line.hpp"
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#include "Polyline.hpp"
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#include <algorithm>
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#include <cmath>
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#include <sstream>
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namespace Slic3r {
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std::string
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Line::wkt() const
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{
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std::ostringstream ss;
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ss << "LINESTRING(" << this->a.x << " " << this->a.y << ","
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<< this->b.x << " " << this->b.y << ")";
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return ss.str();
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}
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Line::operator Polyline() const
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{
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Polyline pl;
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pl.points.push_back(this->a);
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pl.points.push_back(this->b);
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return pl;
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}
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void
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Line::scale(double factor)
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{
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this->a.scale(factor);
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this->b.scale(factor);
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}
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void
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Line::translate(double x, double y)
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{
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this->a.translate(x, y);
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this->b.translate(x, y);
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}
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void
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Line::rotate(double angle, Point* center)
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{
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this->a.rotate(angle, center);
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this->b.rotate(angle, center);
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}
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void
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Line::reverse()
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{
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std::swap(this->a, this->b);
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}
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double
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Line::length() const
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{
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return this->a.distance_to(&(this->b));
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}
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Point*
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Line::midpoint() const
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{
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return new Point ((this->a.x + this->b.x) / 2.0, (this->a.y + this->b.y) / 2.0);
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}
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Point*
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Line::point_at(double distance) const
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{
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double len = this->length();
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Point* p = new Point(this->a);
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if (this->a.x != this->b.x)
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p->x = this->a.x + (this->b.x - this->a.x) * distance / len;
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if (this->a.y != this->b.y)
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p->y = this->a.y + (this->b.y - this->a.y) * distance / len;
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return p;
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}
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bool
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Line::coincides_with(const Line* line) const
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{
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return this->a.coincides_with(&line->a) && this->b.coincides_with(&line->b);
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}
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double
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Line::distance_to(const Point* point) const
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{
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return point->distance_to(this);
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}
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double
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Line::atan2_() const
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{
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return atan2(this->b.y - this->a.y, this->b.x - this->a.x);
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}
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double
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Line::direction() const
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{
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double atan2 = this->atan2_();
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return (atan2 == PI) ? 0
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: (atan2 < 0) ? (atan2 + PI)
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: atan2;
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}
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#ifdef SLIC3RXS
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void
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Line::from_SV(SV* line_sv)
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{
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AV* line_av = (AV*)SvRV(line_sv);
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this->a.from_SV_check(*av_fetch(line_av, 0, 0));
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this->b.from_SV_check(*av_fetch(line_av, 1, 0));
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}
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void
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Line::from_SV_check(SV* line_sv)
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{
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if (sv_isobject(line_sv) && (SvTYPE(SvRV(line_sv)) == SVt_PVMG)) {
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if (!sv_isa(line_sv, "Slic3r::Line") && !sv_isa(line_sv, "Slic3r::Line::Ref"))
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CONFESS("Not a valid Slic3r::Line object");
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*this = *(Line*)SvIV((SV*)SvRV( line_sv ));
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} else {
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this->from_SV(line_sv);
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}
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}
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SV*
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Line::to_AV() {
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AV* av = newAV();
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av_extend(av, 1);
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SV* sv = newSV(0);
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sv_setref_pv( sv, "Slic3r::Point::Ref", &(this->a) );
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av_store(av, 0, sv);
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sv = newSV(0);
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sv_setref_pv( sv, "Slic3r::Point::Ref", &(this->b) );
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av_store(av, 1, sv);
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return newRV_noinc((SV*)av);
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}
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SV*
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Line::to_SV_ref() {
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SV* sv = newSV(0);
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sv_setref_pv( sv, "Slic3r::Line::Ref", this );
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return sv;
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}
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SV*
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Line::to_SV_clone_ref() const {
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SV* sv = newSV(0);
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sv_setref_pv( sv, "Slic3r::Line", new Line(*this) );
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return sv;
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}
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SV*
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Line::to_SV_pureperl() const {
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AV* av = newAV();
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av_extend(av, 1);
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av_store(av, 0, this->a.to_SV_pureperl());
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av_store(av, 1, this->b.to_SV_pureperl());
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return newRV_noinc((SV*)av);
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}
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#endif
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}
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