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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup freestyle
* \brief Class to define a cell grid surrounding the projected image of a scene
*/
#include "HeuristicGridDensityProviderFactory.h"
#include "BLI_sys_types.h"
namespace Freestyle {
HeuristicGridDensityProviderFactory::HeuristicGridDensityProviderFactory(real sizeFactor,
uint numFaces)
: sizeFactor(sizeFactor), numFaces(numFaces)
{
}
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;
}
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;
}
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;
}
return (AutoPtr<GridDensityProvider>)avg;
}
} /* namespace Freestyle */
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