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GraphicsUtil.h

Go to the documentation of this file.

#ifndef GraphicsUtilH
#define GraphicsUtilH
/*******************************************************************************
Copyright 1998,1999,2000,2001,2002 Petr Kulhanek

    This file is part of Core plugin.

    Core plugin 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.

    Core plugin 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 Core plugin; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*******************************************************************************/
/*******************************************************************************
** PROJECT:             Project NEMESIS
** FILE:                GraphicsUtil
** FUNCTION:            common graphics utilities
** VERSION:             1.0
** LANGUAGE:            CBuilder C++
** TARGET COMPUTER:     IBM PC
** PROGRAMMER:          Petr Kulhánek
** HISTORY:
VERSION DATE        NOTE
*******************************************************************************/

/* HEADER FILES ***************************************************************/

#include "CoreMainHeader.h"
#include "Point.h"
#include "Color.h"

/* HEADER FILES END ***********************************************************/

class CSmallString;

//---------------------------------------------------------------------------


class NEMESIS_CORE_PACKAGE CElementColors{
    public:
         __fastcall CElementColors(void);

    void __fastcall SetColor(bool excite,GLenum face=GL_FRONT_AND_BACK) const;

    void __fastcall SetTransparency(float transparency);

    public:
    bool        Uniform;

    CColor      Ambient;
    CColor      Diffuse;
    CColor      Specular;
    CColor      Emission;
    int         Shininess;

    CColor      ExciteAmbient;
    CColor      ExciteDiffuse;
    CColor      ExciteSpecular;
    CColor      ExciteEmission;
    int         ExciteShininess;

    CColor      Color;
    CColor      ExciteColor;
    };

//---------------------------------------------------------------------------


class NEMESIS_CORE_PACKAGE CSphere{
    public:
    __fastcall CSphere(void);   // default tessellation=3
    __fastcall ~CSphere(void);
    void __fastcall Draw(const float radius);
    bool __fastcall SetTessellationQuality(const unsigned int quality);
    private:
    CSimplePoint<float>* Vertices;      // vrcholy na povrchu koule
    unsigned int         NumOfVertices; // poèet vrcholù
    unsigned int         Tessellation;  // kvalita povrchu
    unsigned int         DummyPos;
    void __fastcall ComputeVertices(void);
    void __fastcall ComputePartition(const CSimplePoint<GLfloat>& v1,const CSimplePoint<GLfloat>& v2,const CSimplePoint<GLfloat>& v3,CSimplePoint<GLfloat> data[],const unsigned int complexity);
    };

//---------------------------------------------------------------------------


class NEMESIS_CORE_PACKAGE CHalfSphere{
    public:
    __fastcall CHalfSphere(void);   // default tessellation=3
    __fastcall ~CHalfSphere(void);

    void __fastcall Draw(const float radius);
    bool __fastcall SetTessellationQuality(const unsigned int quality);
    private:
    CSimplePoint<float>* Vertices;      // vrcholy na povrchu koule
    unsigned int         NumOfVertices; // poèet vrcholù
    unsigned int         Tessellation;  // kvalita povrchu
    unsigned int         DummyPos;

    void __fastcall ComputeVertices(void);
    void __fastcall ComputePartition(const CSimplePoint<GLfloat>& v1,const CSimplePoint<GLfloat>& v2,const CSimplePoint<GLfloat>& v3,CSimplePoint<GLfloat> data[],const unsigned int complexity);
    };

//---------------------------------------------------------------------------


class NEMESIS_CORE_PACKAGE CCylinder{
    public:
    __fastcall CCylinder(void);   // default tessellation=3
    __fastcall ~CCylinder(void);
    
    void __fastcall Draw(const float radius,const float height);
    void __fastcall Draw(const float radius,const float height,const CColor* color1,const CColor* color2);
    void __fastcall Draw(const float radius,const float height,const CElementColors* color1,bool excite1,const CElementColors* color2,bool excite2);
    void __fastcall Draw(const float radius1,const float radius2,const float height);
    bool __fastcall SetTessellationQuality(const unsigned int quality);
    private:
    CSimplePoint<float>* Vertices;      // vrcholy na povrchu koule
    unsigned int         NumOfFaces;    // poèet vrcholù
    unsigned int         Tessellation;  // kvalita povrchu

    void __fastcall ComputeVertices(void);
    };

//---------------------------------------------------------------------------


class NEMESIS_CORE_PACKAGE CArc{
    public:
    __fastcall CArc(void);   // default tessellation=3
    __fastcall ~CArc(void);

    void __fastcall Draw(const CSimplePoint<GLfloat>& v1,const CSimplePoint<GLfloat>& v2,const CSimplePoint<GLfloat>& v3,float angle,CSimplePoint<GLfloat>& str);
    bool __fastcall SetTessellationQuality(const unsigned int quality);

    private:
    CSimplePoint<float>* Vertices;      // vrcholy na povrchu koule
    unsigned int         NumOfFaces;    // poèet vrcholù
    unsigned int         Tessellation;  // kvalita povrchu

    void __fastcall ComputeVertices(void);
    };

//---------------------------------------------------------------------------


class NEMESIS_CORE_PACKAGE COpenGL2DFont{
    public:
        __fastcall COpenGL2DFont(void);
        __fastcall ~COpenGL2DFont(void);

    bool __fastcall CreateFont(TFont* p_font,TWinControl* p_win);
    bool __fastcall IsInitialized(void);
    bool __fastcall DestroyFont(void);

    void __fastcall DrawText(const CSmallString& text);

    private:
    unsigned int   FirstGylph;
    unsigned int   NumGylph;
    unsigned int   ListBase;
    };

//---------------------------------------------------------------------------

class CObject;

GLenum __fastcall NEMESIS_CORE_PACKAGE GLGetMode(void);
void __fastcall NEMESIS_CORE_PACKAGE GLLoadObject(CObject* object);


#endif

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