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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 OPENGLTEXT_H
#define OPENGLTEXT_H

#include <GL/glew.h>

#ifdef _MSC_VER
#include <windows.h>
#endif 
//#include <GL/gl.h>
#include <wx/dcmemory.h>
#include <algorithm>
#ifdef __LINUX__
#include <GL/glx.h>
#endif
/**
 * @class OpenGLText
 * @author Thales Lima Oliveira <thales@ufu.br>
 * @date 24/10/2017
 * @brief Class to draw text on OpenGL using wxWidgets.
 * @file OpenGLText.h
 */
class OpenGLText
{
   public:
    OpenGLText();
    OpenGLText(wxString text);
    virtual ~OpenGLText();

    virtual void Draw(wxPoint2DDouble position, double angle = 0.0) const;
    virtual void DrawDC(wxPoint2DDouble position, wxGraphicsContext* gc, double angle = 0.0, wxColour colour = *wxBLACK) const;
    virtual OpenGLText* GetCopy();

    virtual void SetText(wxString text);
    virtual wxString GetText() const { return m_text; }
    virtual int GetWidth() const { return m_bitmapSize.GetWidth(); }
    virtual int GetHeight() const { return m_bitmapSize.GetHeight(); }
    virtual void SetFontSize(int fontSize) { m_fontSize = fontSize; }
    virtual void SetFontWeight(wxFontWeight fontWeight) { m_fontWeight = fontWeight; }
    virtual void SetFontStyle(wxFontStyle fontStyle) { m_fontStyle = fontStyle; }
    virtual void SetFontFamily(wxFontFamily fontFamily) { m_fontFamily = fontFamily; }
    virtual bool IsTextureOK();

   protected:
    void Init();
    int RoundToPowerOfTwo(int value, int min = 32);
    void TextToBitmap();
    void LoadTextTexture();


    wxString m_text = _("Text");
    int m_fontSize = 10;
    wxFontWeight m_fontWeight = wxFONTWEIGHT_NORMAL;
    wxFontStyle m_fontStyle = wxFONTSTYLE_NORMAL;
    wxFontFamily m_fontFamily = wxFONTFAMILY_DEFAULT;

    wxBitmap m_bitmap = wxNullBitmap;
    wxSize m_bitmapSize = wxSize(0, 0);
    wxPoint2DDouble* m_textCoord = nullptr;
    GLuint* m_textureID = nullptr;
};

#endif  // OPENGLTEXT_H