TransferFunction.h

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/*
 *  Copyright (C) 2017  Thales Lima Oliveira <thales@ufu.br>
 *
 *  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
 *  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, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef TRANSFERFUNCTION_H
#define TRANSFERFUNCTION_H
 
#include "ControlElement.h"
 
#include <wx/dcscreen.h>
//#include "OpenGLText.h"
#include "../GCText.h"
 
class TransferFunctionForm;
 
class TransferFunction : public ControlElement
{
   public:
    struct SpaceState {
        std::vector<std::vector<double> > A;
        std::vector<double> B;
        std::vector<double> C;
        double D;
    };
 
    TransferFunction(int id);
    ~TransferFunction();
 
    //virtual void Draw(wxPoint2DDouble translation, double scale) const;
    virtual void DrawDC(GUIColour* guiColour, wxPoint2DDouble translation, double scale, wxGraphicsContext* gc) const;
    virtual bool Contains(wxPoint2DDouble position) const { return m_rect.Contains(position); }
    virtual bool Intersects(wxRect2DDouble rect) const { return m_rect.Intersects(rect); }
    virtual bool ShowForm(wxWindow* parent, Element* element, wxWindow* workspace = nullptr);
    virtual void Rotate(bool clockwise = true);
    virtual void SetFont(wxFont& font);
 
    virtual std::vector<double> GetNumerator() const { return m_numerator; }
    virtual std::vector<double> GetDenominator() const { return m_denominator; }
    virtual void SetNumerator(std::vector<double> numerator) { m_numerator = numerator; }
    virtual void SetDenominator(std::vector<double> denominator) { m_denominator = denominator; }
    virtual void UpdateTFText();
    virtual bool UpdateText();
    virtual SpaceState GetSpaceState() { return m_ss; }
    virtual void CalculateSpaceState(int maxIteration = 100, double error = 1e-3);
    virtual bool Solve(double* input, double timeStep);
    virtual void GetTFString(wxString& numerator, wxString& denominator);
    
    virtual rapidxml::xml_node<>* SaveElement(rapidxml::xml_document<>& doc, rapidxml::xml_node<>* elementListNode);
    virtual bool OpenElement(rapidxml::xml_node<>* elementNode);
 
    virtual Element* GetCopy();
 
   protected:
    virtual void SetText(wxString numerator, wxString denominator);
    virtual wxString GetSuperscriptNumber(int number);
 
    wchar_t m_supNumber[10];
 
    GCText* m_gcTextNum = nullptr;
    GCText* m_gcTextDen = nullptr;
 
    std::vector<double> m_numerator;
    std::vector<double> m_denominator;
    SpaceState m_ss;
 
    std::vector<double> m_x;
    std::vector<double> m_dx;
    double m_error = 1e-3;
    int m_maxIteration = 100;
};
 
#endif  // TRANSFERFUNCTION_H