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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 define a cell grid surrounding the projected image of a scene
*/
#include "HeuristicGridDensityProviderFactory.h"
namespace Freestyle {
HeuristicGridDensityProviderFactory::HeuristicGridDensityProviderFactory(real sizeFactor,
unsigned numFaces)
: sizeFactor(sizeFactor), numFaces(numFaces)
{
}
HeuristicGridDensityProviderFactory::~HeuristicGridDensityProviderFactory()
{
}
AutoPtr<GridDensityProvider> HeuristicGridDensityProviderFactory::newGridDensityProvider(
OccluderSource &source, const real proscenium[4])
{
AutoPtr<AverageAreaGridDensityProvider> avg(
new AverageAreaGridDensityProvider(source, proscenium, sizeFactor));
AutoPtr<Pow23GridDensityProvider> p23(
new Pow23GridDensityProvider(source, proscenium, numFaces));
if (avg->cellSize() > p23->cellSize()) {
return (AutoPtr<GridDensityProvider>)p23;
}
else {
return (AutoPtr<GridDensityProvider>)avg;
}
}
AutoPtr<GridDensityProvider> HeuristicGridDensityProviderFactory::newGridDensityProvider(
OccluderSource &source, const BBox<Vec3r> &bbox, const GridHelpers::Transform &transform)
{
AutoPtr<AverageAreaGridDensityProvider> avg(
new AverageAreaGridDensityProvider(source, bbox, transform, sizeFactor));
AutoPtr<Pow23GridDensityProvider> p23(
new Pow23GridDensityProvider(source, bbox, transform, numFaces));
if (avg->cellSize() > p23->cellSize()) {
return (AutoPtr<GridDensityProvider>)p23;
}
else {
return (AutoPtr<GridDensityProvider>)avg;
}
}
AutoPtr<GridDensityProvider> HeuristicGridDensityProviderFactory::newGridDensityProvider(
OccluderSource &source)
{
real proscenium[4];
GridDensityProvider::calculateOptimalProscenium(source, proscenium);
AutoPtr<AverageAreaGridDensityProvider> avg(
new AverageAreaGridDensityProvider(source, proscenium, sizeFactor));
AutoPtr<Pow23GridDensityProvider> p23(
new Pow23GridDensityProvider(source, proscenium, numFaces));
if (avg->cellSize() > p23->cellSize()) {
return (AutoPtr<GridDensityProvider>)p23;
}
else {
return (AutoPtr<GridDensityProvider>)avg;
}
}
} /* namespace Freestyle */
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