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Diffstat (limited to 'source/blender/freestyle/intern/stroke/AdvancedFunctions0D.h')
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diff --git a/source/blender/freestyle/intern/stroke/AdvancedFunctions0D.h b/source/blender/freestyle/intern/stroke/AdvancedFunctions0D.h new file mode 100755 index 00000000000..5d62ea8d9eb --- /dev/null +++ b/source/blender/freestyle/intern/stroke/AdvancedFunctions0D.h @@ -0,0 +1,209 @@ +// +// Filename : AdvancedFunctions0D.h +// Author(s) : Stephane Grabli +// Emmanuel Turquin +// Purpose : Functions taking 0D input +// Date of creation : 01/07/2003 +// +/////////////////////////////////////////////////////////////////////////////// + + +// +// Copyright (C) : Please refer to the COPYRIGHT file distributed +// with this source distribution. +// +// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +/////////////////////////////////////////////////////////////////////////////// + +#ifndef ADVANCED_FUNCTIONS0D_HPP +# define ADVANCED_FUNCTIONS0D_HPP + + +# include "../image/Image.h" +# include "../image/GaussianFilter.h" +# include "../view_map/Functions0D.h" + +// +// Functions definitions +// +/////////////////////////////////////////////////////////// + +namespace Functions0D { + + // DensityF0D + /*! Returns the density of the (result) image evaluated at an Interface0D. + * This density is evaluated using a pixels square window around the + * evaluation point and integrating these values using + * a gaussian. + */ + class LIB_STROKE_EXPORT DensityF0D : public UnaryFunction0D<double> + { + public: + /*! Builds the functor from the gaussian sigma value. + * \param sigma + * sigma indicates the x value for which the gaussian + * function is 0.5. It leads to the window size + * value. (the larger, the smoother) + */ + DensityF0D(double sigma = 2) : UnaryFunction0D<double>() { + _filter.setSigma((float)sigma); + } + /*! Returns the string "DensityF0D"*/ + string getName() const { + return "DensityF0D"; + } + /*! The () operator. */ + int operator()(Interface0DIterator& iter); + + private: + + GaussianFilter _filter; + }; + + // LocalAverageDepthF0D + /*! Returns the average depth around a point. + * The result is obtained by querying the + * depth buffer on a window around that point. + */ + class LIB_STROKE_EXPORT LocalAverageDepthF0D : public UnaryFunction0D<double> + { + private: + GaussianFilter _filter; + public: + /*! Builds the functor from the size of the mask that + * will be used. + */ + LocalAverageDepthF0D(real maskSize=5.f) : UnaryFunction0D<double>() { + _filter.setSigma((float)maskSize/2.f); + } + /*! Returns the string "LocalAverageDepthF0D"*/ + string getName() const { + return "LocalAverageDepthF0D"; + } + /*! the () operator.*/ + int operator()(Interface0DIterator& iter); + }; + + // ReadMapPixel + /*! Reads a pixel in a map. + */ + class LIB_STROKE_EXPORT ReadMapPixelF0D : public UnaryFunction0D<float> + { + private: + const char * _mapName; + int _level; + public: + /*! Builds the functor from name of the + * Map that must be read. + * \param iMapName + * The name of the map. + * \param level + * The level of the pyramid from which + * the pixel must be read. + */ + ReadMapPixelF0D(const char *iMapName, int level) : UnaryFunction0D<float>() { + _mapName = iMapName; + _level = level; + } + /*! Returns the string "ReadMapPixelF0D"*/ + string getName() const { + return "ReadMapPixelF0D"; + } + /*! the () operator.*/ + int operator()(Interface0DIterator& iter); + }; + + // ReadSteerableViewMapPixel + /*! Reads a pixel in one of the level of one of the steerable viewmaps. + */ + class LIB_STROKE_EXPORT ReadSteerableViewMapPixelF0D : public UnaryFunction0D<float> + { + private: + unsigned _orientation; + int _level; + public: + /*! Builds the functor + * \param nOrientation + * The integer belonging to [0,4] indicating the orientation (E,NE,N,NW) + * we are interested in. + * \param level + * The level of the pyramid from which + * the pixel must be read. + */ + ReadSteerableViewMapPixelF0D(unsigned nOrientation, int level) : UnaryFunction0D<float>() { + _orientation = nOrientation; + _level = level; + } + /*! Returns the string "ReadSteerableViewMapPixelF0D"*/ + string getName() const { + return "ReadSteerableViewMapPixelF0D"; + } + /*! the () operator.*/ + int operator()(Interface0DIterator& iter); + }; + + // ReadCompleteViewMapPixel + /*! Reads a pixel in one of the level of the complete viewmap. + */ + class LIB_STROKE_EXPORT ReadCompleteViewMapPixelF0D : public UnaryFunction0D<float> + { + private: + int _level; + public: + /*! Builds the functor + * \param level + * The level of the pyramid from which + * the pixel must be read. + */ + ReadCompleteViewMapPixelF0D(int level) : UnaryFunction0D<float>() { + _level = level; + } + /*! Returns the string "ReadCompleteViewMapPixelF0D"*/ + string getName() const { + return "ReadCompleteViewMapPixelF0D"; + } + /*! the () operator.*/ + int operator()(Interface0DIterator& iter); + }; + + // GetViewMapGradientNormF0D + /*! Returns the norm of the gradient of the global viewmap density image. + */ + class LIB_STROKE_EXPORT GetViewMapGradientNormF0D: public UnaryFunction0D< float> + { + private: + int _level; + float _step; + public: + /*! Builds the functor + * \param level + * The level of the pyramid from which + * the pixel must be read. + */ + GetViewMapGradientNormF0D(int level) : UnaryFunction0D<float>() { + _level = level; + _step = (float)pow(2.0,_level); + } + /*! Returns the string "GetOccludeeF0D"*/ + string getName() const { + return "GetViewMapGradientNormF0D"; + } + /*! the () operator.*/ + int operator()(Interface0DIterator& iter); + }; +} // end of namespace Functions0D + +#endif // ADVANCED_FUNCTIONS0D_HPP |