Operators.h

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/*
 * 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.
 */
 
#pragma once
 
#include <iostream>
#include <vector>
 
#include "Chain.h"
#include "ChainingIterators.h"
#include "Predicates0D.h"
#include "Predicates1D.h"
#include "StrokeShader.h"
 
#include "../system/TimeStamp.h"
 
#include "../view_map/Interface1D.h"
#include "../view_map/ViewMap.h"
 
#ifdef WITH_CXX_GUARDEDALLOC
#  include "MEM_guardedalloc.h"
#endif
 
namespace Freestyle {
 
class Operators {
 
 public:
  typedef vector<Interface1D *> I1DContainer;
  typedef vector<Stroke *> StrokesContainer;
 
  //
  // Operators
  //
 
  static int select(UnaryPredicate1D &pred);
 
  static int chain(ViewEdgeInternal::ViewEdgeIterator &it,
                   UnaryPredicate1D &pred,
                   UnaryFunction1D_void &modifier);
 
  static int chain(ViewEdgeInternal::ViewEdgeIterator &it, UnaryPredicate1D &pred);
 
  static int bidirectionalChain(ChainingIterator &it, UnaryPredicate1D &pred);
 
  static int bidirectionalChain(ChainingIterator &it);
 
  static int sequentialSplit(UnaryPredicate0D &startingPred,
                             UnaryPredicate0D &stoppingPred,
                             float sampling = 0.0f);
 
  static int sequentialSplit(UnaryPredicate0D &pred, float sampling = 0.0f);
 
  static int recursiveSplit(UnaryFunction0D<double> &func,
                            UnaryPredicate1D &pred,
                            float sampling = 0);
 
  static int recursiveSplit(UnaryFunction0D<double> &func,
                            UnaryPredicate0D &pred0d,
                            UnaryPredicate1D &pred,
                            float sampling = 0.0f);
 
  static int sort(BinaryPredicate1D &pred);
 
  static int create(UnaryPredicate1D &pred, vector<StrokeShader *> shaders);
 
  //
  // Data access
  //
 
  static ViewEdge *getViewEdgeFromIndex(unsigned i)
  {
    return dynamic_cast<ViewEdge *>(_current_view_edges_set[i]);
  }
 
  static Chain *getChainFromIndex(unsigned i)
  {
    return dynamic_cast<Chain *>(_current_chains_set[i]);
  }
 
  static Stroke *getStrokeFromIndex(unsigned i)
  {
    return _current_strokes_set[i];
  }
 
  static unsigned getViewEdgesSize()
  {
    return _current_view_edges_set.size();
  }
 
  static unsigned getChainsSize()
  {
    return _current_chains_set.size();
  }
 
  static unsigned getStrokesSize()
  {
    return _current_strokes_set.size();
  }
 
  //
  // Not exported in Python
  //
 
  static StrokesContainer *getStrokesSet()
  {
    return &_current_strokes_set;
  }
 
  static void reset(bool removeStrokes = true);
 
 private:
  Operators()
  {
  }
 
  static I1DContainer _current_view_edges_set;
  static I1DContainer _current_chains_set;
  static I1DContainer *_current_set;
  static StrokesContainer _current_strokes_set;
 
#ifdef WITH_CXX_GUARDEDALLOC
  MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:Operators")
#endif
};
 
} /* namespace Freestyle */