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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup freestyle
* \brief Class to fill in a grid from a SceneGraph (uses only the WingedEdge structures)
*/
#include "WFillGrid.h"
#include "WEdge.h"
namespace Freestyle {
void WFillGrid::fillGrid()
{
if (!_winged_edge || !_grid) {
return;
}
vector<WShape *> wshapes = _winged_edge->getWShapes();
vector<WVertex *> fvertices;
vector<Vec3r> vectors;
vector<WFace *> faces;
for (vector<WShape *>::const_iterator it = wshapes.begin(); it != wshapes.end(); ++it) {
faces = (*it)->GetFaceList();
for (vector<WFace *>::const_iterator f = faces.begin(); f != faces.end(); ++f) {
(*f)->RetrieveVertexList(fvertices);
for (vector<WVertex *>::const_iterator wv = fvertices.begin(); wv != fvertices.end(); ++wv) {
vectors.push_back(Vec3r((*wv)->GetVertex()));
}
// occluder will be deleted by the grid
Polygon3r *occluder = new Polygon3r(vectors, (*f)->GetNormal());
occluder->setId(_polygon_id++);
occluder->userdata = (void *)(*f);
_grid->insertOccluder(occluder);
vectors.clear();
fvertices.clear();
}
faces.clear();
}
}
} /* namespace Freestyle */
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