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Diffstat (limited to 'source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h')
-rwxr-xr-x | source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h b/source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h new file mode 100755 index 00000000000..91b63168aa9 --- /dev/null +++ b/source/blender/freestyle/intern/stroke/AdvancedPredicates1D.h @@ -0,0 +1,84 @@ +// +// Filename : AdvancedPredicates1D.h +// Author(s) : Stephane Grabli +// Purpose : Class gathering stroke creation algorithms +// 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_PREDICATES1D_H +# define ADVANCED_PREDICATES1D_H + +# include <string> +# include "../view_map/Interface1D.h" +# include "AdvancedFunctions1D.h" +# include "Predicates1D.h" + +// +// Predicates definitions +// +/////////////////////////////////////////////////////////// + +namespace Predicates1D { + + // DensityLowerThanUP1D + /*! Returns true if the density evaluated for the + * Interface1D is less than a user-defined density value. + */ + class DensityLowerThanUP1D : public UnaryPredicate1D + { + public: + /*! Builds the functor. + * \param threshold + * The value of the threshold density. + * Any Interface1D having a density lower than + * this threshold will match. + * \param sigma + * The sigma value defining the density evaluation window size + * used in the DensityF0D functor. + */ + DensityLowerThanUP1D(double threshold, double sigma = 2) { + _threshold = threshold; + _sigma = sigma; + } + /*! Returns the string "DensityLowerThanUP1D"*/ + string getName() const { + return "DensityLowerThanUP1D"; + } + /*! The () operator. */ + int operator()(Interface1D& inter) { + Functions1D::DensityF1D fun(_sigma); + if (fun(inter) < 0) + return -1; + result = (fun.result < _threshold); + return 0; + } + private: + double _sigma; + double _threshold; + }; + +} // end of namespace Predicates1D + +#endif // ADVANCED_PREDICATES1D_H |