StyleModule.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 <string>
 
#include "Operators.h"
#include "StrokeLayer.h"
#include "StrokeShader.h"
 
#include "../system/Interpreter.h"
#include "../system/StringUtils.h"
 
#ifdef WITH_CXX_GUARDEDALLOC
#  include "MEM_guardedalloc.h"
#endif
 
using namespace std;
 
namespace Freestyle {
 
class StyleModule {
 public:
  StyleModule(const string &file_name, Interpreter *inter) : _file_name(file_name)
  {
    _always_refresh = false;
    _causal = false;
    _drawable = true;
    _modified = true;
    _displayed = true;
    _inter = inter;
  }
 
  virtual ~StyleModule()
  {
  }
 
  StrokeLayer *execute()
  {
    if (!_inter) {
      cerr << "Error: no interpreter was found to execute the script" << endl;
      return NULL;
    }
 
    if (!_drawable) {
      cerr << "Error: not drawable" << endl;
      return NULL;
    }
 
    Operators::reset();
 
    if (interpret()) {
      cerr << "Error: interpretation failed" << endl;
      Operators::reset();
      return NULL;
    }
 
    Operators::StrokesContainer *strokes_set = Operators::getStrokesSet();
    if (strokes_set->empty()) {
      cerr << "Error: strokes set empty" << endl;
      Operators::reset();
      return NULL;
    }
 
    StrokeLayer *sl = new StrokeLayer;
    for (Operators::StrokesContainer::iterator it = strokes_set->begin(); it != strokes_set->end();
         ++it) {
      sl->AddStroke(*it);
    }
 
    Operators::reset();
    return sl;
  }
 
 protected:
  virtual int interpret()
  {
    return _inter->interpretFile(_file_name);
  }
 
 public:
  // accessors
  const string getFileName() const
  {
    return _file_name;
  }
 
  bool getAlwaysRefresh() const
  {
    return _always_refresh;
  }
 
  bool getCausal() const
  {
    return _causal;
  }
 
  bool getDrawable() const
  {
    return _drawable;
  }
 
  bool getModified() const
  {
    return _modified;
  }
 
  bool getDisplayed() const
  {
    return _displayed;
  }
 
  // modifiers
  void setFileName(const string &file_name)
  {
    _file_name = file_name;
  }
 
  void setAlwaysRefresh(bool b = true)
  {
    _always_refresh = b;
  }
 
  void setCausal(bool b = true)
  {
    _causal = b;
  }
 
  void setDrawable(bool b = true)
  {
    _drawable = b;
  }
 
  void setModified(bool b = true)
  {
    if (_always_refresh) {
      return;
    }
    _modified = b;
  }
 
  void setDisplayed(bool b = true)
  {
    _displayed = b;
  }
 
 private:
  string _file_name;
  bool _always_refresh;
  bool _causal;
  bool _drawable;
  bool _modified;
  bool _displayed;
 
 protected:
  Interpreter *_inter;
 
#ifdef WITH_CXX_GUARDEDALLOC
  MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:StyleModule")
#endif
};
 
} /* namespace Freestyle */