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Diffstat (limited to 'source/blender/freestyle/intern/stroke/Predicates0D.h')
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1 files changed, 172 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/stroke/Predicates0D.h b/source/blender/freestyle/intern/stroke/Predicates0D.h new file mode 100755 index 00000000000..2f5d9551b3a --- /dev/null +++ b/source/blender/freestyle/intern/stroke/Predicates0D.h @@ -0,0 +1,172 @@ +// +// Filename : Predicates0D.h +// Author(s) : Stephane Grabli, Emmanuel Turquin +// 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 PREDICATES0D_H +# define PREDICATES0D_H + +# include "../view_map/Functions0D.h" + +# include "../python/Director.h" + +// +// UnaryPredicate0D (base class for predicates in 0D) +// +/////////////////////////////////////////////////////////// +/*! Base class for Unary Predicates that work + * on Interface0DIterator. + * A UnaryPredicate0D is a functor that evaluates + * a condition on a Interface0DIterator and returns + * true or false depending on whether this condition is + * satisfied or not. + * The UnaryPredicate0D is used by calling its () operator. + * Any inherited class must overload the () operator. + */ +class UnaryPredicate0D +{ +public: + + bool result; + PyObject *py_up0D; + + /*! Default constructor. */ + UnaryPredicate0D() { py_up0D = 0; } + /*! Destructor. */ + virtual ~UnaryPredicate0D() {} + /*! Returns the string of the name + * of the UnaryPredicate0D. + */ + virtual string getName() const { + return "UnaryPredicate0D"; + } + /*! The () operator. Must be overload + * by inherited classes. + * \param it + * The Interface0DIterator pointing onto the + * Interface0D at which we wish to evaluate + * the predicate. + * \return true if the condition is satisfied, + * false otherwise. + */ + virtual int operator()(Interface0DIterator& it) { + return Director_BPy_UnaryPredicate0D___call__(this, it); + } + +}; + + +// +// BinaryPredicate0D (base class for predicates in 0D) +// +/////////////////////////////////////////////////////////// +/*! Base class for Binary Predicates working on Interface0D. + * A BinaryPredicate0D is typically an ordering relation + * between two Interface0D. + * It evaluates a relation between 2 Interface0D and + * returns true or false. + * It is used by calling the () operator. + */ +class BinaryPredicate0D +{ +public: + + bool result; + PyObject *py_bp0D; + + /*! Default constructor. */ + BinaryPredicate0D() { py_bp0D = 0; } + /*! Destructor. */ + virtual ~BinaryPredicate0D() {} + /*! Returns the string of the name of the + * binary predicate. + */ + virtual string getName() const { + return "BinaryPredicate0D"; + } + + /*! The () operator. Must be overload by inherited classes. + * It evaluates a relation between 2 Interface0D. + * \param inter1 + * The first Interface0D. + * \param inter2 + * The second Interface0D. + * \return true or false. + */ + virtual int operator()(Interface0D& inter1, Interface0D& inter2) { + return Director_BPy_BinaryPredicate0D___call__(this, inter1, inter2); + } + +}; + + +// +// Predicates definitions +// +/////////////////////////////////////////////////////////// + +namespace Predicates0D { + + // TrueUP0D + /*! Returns true any time */ + class TrueUP0D : public UnaryPredicate0D + { + public: + /*! Default constructor. */ + TrueUP0D() {} + /*! Returns the string "TrueUP0D"*/ + string getName() const { + return "TrueUP0D"; + } + /*! The () operator. */ + int operator()(Interface0DIterator&) { + result = true; + return 0; + } + }; + + // FalseUP0D + /*! Returns false any time */ + class FalseUP0D : public UnaryPredicate0D + { + public: + /*! Default constructor. */ + FalseUP0D() {} + /*! Returns the string "FalseUP0D"*/ + string getName() const { + return "FalseUP0D"; + } + /*! The () operator. */ + int operator()(Interface0DIterator&) { + result = false; + return 0; + } + }; + +} // end of namespace Predicates0D + +#endif // PREDICATES0D_H |