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985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | // SPDX-License-Identifier: LGPL-2.1-or-later
/***************************************************************************
* Copyright (c) 2020 sliptonic <shopinthewoods@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "VoronoiCell.h"
using namespace Base;
using namespace Path;
TYPESYSTEM_SOURCE(Path::VoronoiCell, Base::Persistence)
VoronoiCell::VoronoiCell(Voronoi::diagram_type* d, long index)
: dia(d)
, index(index)
, ptr(nullptr)
{
if (dia && long(dia->num_cells()) > index) {
ptr = &(dia->cells()[index]);
}
}
VoronoiCell::VoronoiCell(Voronoi::diagram_type* d, const Voronoi::diagram_type::cell_type* e)
: dia(d)
, index(Voronoi::InvalidIndex)
, ptr(e)
{
if (d && e) {
index = dia->index(e);
}
}
VoronoiCell::~VoronoiCell()
{}
bool VoronoiCell::isBound() const
{
if (ptr && dia.isValid() && index != Voronoi::InvalidIndex) {
if (&(dia->cells()[index]) == ptr) {
return true;
}
}
ptr = nullptr;
return false;
}
Voronoi::point_type VoronoiCell::sourcePoint() const
{
int index = ptr->source_index();
int category = ptr->source_category();
if (category == boost::polygon::SOURCE_CATEGORY_SINGLE_POINT) {
return dia->points[index];
}
if (category == boost::polygon::SOURCE_CATEGORY_SEGMENT_START_POINT) {
return low(dia->segments[index - dia->points.size()]);
}
else {
return high(dia->segments[index - dia->points.size()]);
}
}
Voronoi::segment_type VoronoiCell::sourceSegment() const
{
return dia->segments[ptr->source_index() - dia->points.size()];
}
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