This repository has been archived on 2023-10-09. You can view files and clone it. You cannot open issues or pull requests or push a commit.
Files
blender-archive/source/blender/freestyle/intern/stroke/AdvancedFunctions1D.h
2019-08-12 01:10:43 +10:00

294 lines
9.4 KiB
C++

/*
* 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.
*/
#ifndef __FREESTYLE_ADVANCED_FUNCTIONS_1D_H__
#define __FREESTYLE_ADVANCED_FUNCTIONS_1D_H__
/** \file
* \ingroup freestyle
* \brief Functions taking 1D input
*/
#include "AdvancedFunctions0D.h"
#include "../view_map/Functions1D.h"
//
// Functions definitions
//
///////////////////////////////////////////////////////////
namespace Freestyle {
namespace Functions1D {
// DensityF1D
/*! Returns the density evaluated for an Interface1D.
* The density is evaluated for a set of points along the Interface1D (using the DensityF0D
* functor) with a user-defined sampling and then integrated into a single value using a
* user-defined integration method.
*/
class DensityF1D : public UnaryFunction1D<double> {
private:
float _sampling;
public:
/*! Builds the functor.
* \param sigma:
* Thesigma used in DensityF0D and determining the window size used in each density query.
* \param iType:
* The integration method used to compute a single value from a set of values.
* \param sampling:
* The resolution used to sample the chain: the corresponding 0D function is evaluated at each
* sample point and the result is obtained by combining the resulting values into a single one,
* following the method specified by iType.
*/
DensityF1D(double sigma = 2, IntegrationType iType = MEAN, float sampling = 2.0f)
: UnaryFunction1D<double>(iType), _fun(sigma)
{
_sampling = sampling;
}
/*! Destructor */
virtual ~DensityF1D()
{
}
/*! Returns the string "DensityF1D"*/
string getName() const
{
return "DensityF1D";
}
/*! the () operator.*/
int operator()(Interface1D &inter)
{
result = integrate(
_fun, inter.pointsBegin(_sampling), inter.pointsEnd(_sampling), _integration);
return 0;
}
private:
Functions0D::DensityF0D _fun;
};
// LocalAverageDepthF1D
/*! Returns the average depth evaluated for an Interface1D.
* The average depth is evaluated for a set of points along the Interface1D (using the
* LocalAverageDepthF0D functor) with a user-defined sampling and then integrated into a single
* value using a user-defined integration method.
*/
class LocalAverageDepthF1D : public UnaryFunction1D<double> {
public:
/*! Builds the functor.
* \param sigma:
* The sigma used in DensityF0D and determining the window size used in each density query.
* \param iType:
* The integration method used to compute a single value from a set of values.
*/
LocalAverageDepthF1D(real sigma, IntegrationType iType = MEAN)
: UnaryFunction1D<double>(iType), _fun(sigma)
{
}
/*! Returns the string "LocalAverageDepthF1D" */
string getName() const
{
return "LocalAverageDepthF1D";
}
/*! the () operator. */
int operator()(Interface1D &inter)
{
result = integrate(_fun, inter.verticesBegin(), inter.verticesEnd(), _integration);
return 0;
}
private:
Functions0D::LocalAverageDepthF0D _fun;
};
// GetCompleteViewMapDensity
/*! Returns the density evaluated for an Interface1D in the complete viewmap image.
* The density is evaluated for a set of points along the Interface1D (using the
* ReadCompleteViewMapPixelF0D functor) and then integrated into a single value using a
* user-defined integration method.
*/
class GetCompleteViewMapDensityF1D : public UnaryFunction1D<double> {
public:
/*! Builds the functor.
* \param level:
* The level of the pyramid from which
* the pixel must be read.
* \param iType:
* The integration method used to compute
* a single value from a set of values.
* \param sampling:
* The resolution used to sample the chain: the corresponding 0D function
* is evaluated at each sample point and the result is obtained by
* combining the resulting values into a single one, following the
* method specified by iType.
*/
GetCompleteViewMapDensityF1D(unsigned level, IntegrationType iType = MEAN, float sampling = 2.0f)
: UnaryFunction1D<double>(iType), _fun(level)
{
_sampling = sampling;
}
/*! Returns the string "GetCompleteViewMapDensityF1D" */
string getName() const
{
return "GetCompleteViewMapDensityF1D";
}
/*! the () operator. */
int operator()(Interface1D &inter);
private:
Functions0D::ReadCompleteViewMapPixelF0D _fun;
float _sampling;
};
// GetDirectionalViewMapDensity
/*! Returns the density evaluated for an Interface1D in of the steerable viewmaps image.
* The direction telling which Directional map to choose is explicitly specified by the user.
* The density is evaluated for a set of points along the Interface1D
* (using the ReadSteerableViewMapPixelF0D functor)
* and then integrated into a single value using a user-defined integration method.
*/
class GetDirectionalViewMapDensityF1D : public UnaryFunction1D<double> {
public:
/*! Builds the functor.
* \param iOrientation:
* The number of the directional map we must work with.
* \param level:
* The level of the pyramid from which the pixel must be read.
* \param iType:
* The integration method used to compute a single value from a set of values.
* \param sampling:
* The resolution used to sample the chain: the corresponding 0D function is evaluated at
* each sample point and the result is obtained by combining the resulting values into a
* single one, following the method specified by iType.
*/
GetDirectionalViewMapDensityF1D(unsigned iOrientation,
unsigned level,
IntegrationType iType = MEAN,
float sampling = 2.0f)
: UnaryFunction1D<double>(iType), _fun(iOrientation, level)
{
_sampling = sampling;
}
/*! Returns the string "GetDirectionalViewMapDensityF1D" */
string getName() const
{
return "GetDirectionalViewMapDensityF1D";
}
/*! the () operator. */
int operator()(Interface1D &inter);
private:
Functions0D::ReadSteerableViewMapPixelF0D _fun;
float _sampling;
};
// GetSteerableViewMapDensityF1D
/*! Returns the density of the viewmap for a given Interface1D. The density of each FEdge is
* evaluated in the proper steerable ViewMap depending on its orientation.
*/
class GetSteerableViewMapDensityF1D : public UnaryFunction1D<double> {
private:
int _level;
float _sampling;
public:
/*! Builds the functor from the level of the pyramid from which the pixel must be read.
* \param level:
* The level of the pyramid from which the pixel must be read.
* \param iType:
* The integration method used to compute a single value from a set of values.
* \param sampling:
* The resolution used to sample the chain: the corresponding 0D function is evaluated at each
* sample point and the result is obtained by combining the resulting values into a single one,
* following the method specified by iType.
*/
GetSteerableViewMapDensityF1D(int level, IntegrationType iType = MEAN, float sampling = 2.0f)
: UnaryFunction1D<double>(iType)
{
_level = level;
_sampling = sampling;
}
/*! Destructor */
virtual ~GetSteerableViewMapDensityF1D()
{
}
/*! Returns the string "GetSteerableViewMapDensityF1D" */
string getName() const
{
return "GetSteerableViewMapDensityF1D";
}
/*! the () operator. */
int operator()(Interface1D &inter);
};
// GetViewMapGradientNormF1D
/*! Returns the density of the viewmap for a given Interface1D. The density of each FEdge is
* evaluated in the proper steerable ViewMap depending on its orientation.
*/
class GetViewMapGradientNormF1D : public UnaryFunction1D<double> {
private:
int _level;
float _sampling;
Functions0D::GetViewMapGradientNormF0D _func;
public:
/*! Builds the functor from the level of the pyramid from which the pixel must be read.
* \param level:
* The level of the pyramid from which the pixel must be read.
* \param iType:
* The integration method used to compute a single value from a set of values.
* \param sampling:
* The resolution used to sample the chain: the corresponding 0D function is evaluated at each
* sample point and the result is obtained by combining the resulting values into a single
* one, following the method specified by iType.
*/
GetViewMapGradientNormF1D(int level, IntegrationType iType = MEAN, float sampling = 2.0f)
: UnaryFunction1D<double>(iType), _func(level)
{
_level = level;
_sampling = sampling;
}
/*! Returns the string "GetSteerableViewMapDensityF1D" */
string getName() const
{
return "GetViewMapGradientNormF1D";
}
/*! the () operator. */
int operator()(Interface1D &inter);
};
} // end of namespace Functions1D
} /* namespace Freestyle */
#endif // __FREESTYLE_ADVANCED_FUNCTIONS_1D_H__