#include "libnr/nr-values.h"

#include "libnr/nr-point-fns.h"

#include "sp-namedview.h"

#include "sp-guide.h"

Inkscape::GuideSnapper::GuideSnapper(SPNamedView const *nv, NR::Coord const d) : LineSnapper(nv, d)

{

}

Inkscape::GuideSnapper::LineList Inkscape::GuideSnapper::_getSnapLines(NR::Point const &/*p*/) const

{

LineList s;

if ( NULL == _named_view || ThisSnapperMightSnap() == false) {

return s;

}

for (GSList const *l = _named_view->guides; l != NULL; l = l->next) {

SPGuide const *g = SP_GUIDE(l->data);

NR::Point point_on_line = (g->normal == component_vectors[NR::X]) ? NR::Point(g->position, 0) : NR::Point(0, g->position);

s.push_back(std::make_pair(g->normal, point_on_line));

}

return s;

}

bool Inkscape::GuideSnapper::ThisSnapperMightSnap() const

{

return _named_view == NULL ? false : (_snap_enabled && _snap_from != 0 && _named_view->showguides);

}

void Inkscape::GuideSnapper::_addSnappedLine(SnappedConstraints &sc, NR::Point const snapped_point, NR::Coord const snapped_distance, NR::Point const normal_to_line, NR::Point const point_on_line) const

{

SnappedLine dummy = SnappedLine(snapped_point, snapped_distance, normal_to_line, point_on_line);

sc.guide_lines.push_back(dummy);

}