Ported Polygon->is_counter_clockwise() and rearranged code in .cpp files

xs/src/Line.cpp

@@ -0,0 +1,83 @@
+#include "Line.hpp"
+#include <algorithm>
+
+namespace Slic3r {
+
+void
+Line::scale(double factor)
+{
+    this->a.scale(factor);
+    this->b.scale(factor);
+}
+
+void
+Line::translate(double x, double y)
+{
+    this->a.translate(x, y);
+    this->b.translate(x, y);
+}
+
+void
+Line::rotate(double angle, Point* center)
+{
+    this->a.rotate(angle, center);
+    this->b.rotate(angle, center);
+}
+
+void
+Line::reverse()
+{
+    std::swap(this->a, this->b);
+}
+
+void
+Line::from_SV(SV* line_sv)
+{
+    AV* line_av = (AV*)SvRV(line_sv);
+    this->a.from_SV_check(*av_fetch(line_av, 0, 0));
+    this->b.from_SV_check(*av_fetch(line_av, 1, 0));
+}
+
+void
+Line::from_SV_check(SV* line_sv)
+{
+    if (sv_isobject(line_sv) && (SvTYPE(SvRV(line_sv)) == SVt_PVMG)) {
+        *this = *(Line*)SvIV((SV*)SvRV( line_sv ));
+    } else {
+        this->from_SV(line_sv);
+    }
+}
+
+SV*
+Line::to_SV() {
+    AV* av = newAV();
+    av_extend(av, 1);
+    
+    SV* sv = newSV(0);
+    sv_setref_pv( sv, "Slic3r::Point", new Point(this->a) );
+    av_store(av, 0, sv);
+    
+    sv = newSV(0);
+    sv_setref_pv( sv, "Slic3r::Point", new Point(this->b) );
+    av_store(av, 1, sv);
+    
+    return newRV_noinc((SV*)av);
+}
+
+SV*
+Line::to_SV_ref() {
+    SV* sv = newSV(0);
+    sv_setref_pv( sv, "Slic3r::Line", new Line(*this) );
+    return sv;
+}
+
+SV*
+Line::to_SV_pureperl() {
+    AV* av = newAV();
+    av_extend(av, 1);
+    av_store(av, 0, this->a.to_SV_pureperl());
+    av_store(av, 1, this->b.to_SV_pureperl());
+    return newRV_noinc((SV*)av);
+}
+
+}