regular_grid.hpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: regular_grid.hpp,v $
 * PRODUCTION Revision 1000.2  2004/06/01 19:48:24  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.10
 * PRODUCTION
 * ===========================================================================
 */

#ifndef GUI_GRAPH___REGULAR_GRID__HPP
#define GUI_GRAPH___REGULAR_GRID__HPP

/*  $Id: regular_grid.hpp,v 1000.2 2004/06/01 19:48:24 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Andrey Yazhuk
 *
 * File Description:
 *
 */

#include <corelib/ncbistl.hpp>

#include <gui/opengl/glcolor.hpp>

#include <gui/graph/igraph.hpp>
#include <gui/opengl/glpane.hpp>

/** @addtogroup GUI_GRAPH
 *
 * @{
 */

BEGIN_NCBI_SCOPE

///////////////////////////////////////////////////////////////////////////////
/// CRegularGridGen

class NCBI_GUIGRAPH_EXPORT CRegularGridGen
{
public:
    class const_iterator;

    CRegularGridGen();
    virtual ~CRegularGridGen();

    //void SetScaleType(EScaleType TypeX, EScaleType TypeY);
    void SetIntegerMode(bool IntegerX, bool IntegerY);
    
    // set limitations on the CellSize in pixels
    void    SetCellLimits(int Min, int Max);
    void    EnableOneBased(bool en_x, bool en_y);

    // iteration interface
    void    GenerateGrid(CGlPane* pPane, bool bHorz);
    const_iterator begin() const;
    const_iterator end() const;

protected:
    static double   SelectBaseStep(double MinV, double MaxV );
    static void     RoundRangeToStep(double& Start, double& Finish, double Step );
    static double   SelectScreenStep(double BaseStep,  double MinStep, double MaxStep);
protected:
    static const int ms_StepK[];

    int m_MinCellSize;
    int m_MaxCellSize;
    
    //EScaleType  m_XScaleType;
    //EScaleType  m_YScaleType;
    
    bool    m_IntegerX;
    bool    m_IntegerY;
    bool    m_OneBasedX;
    bool    m_OneBasedY;
    
    // Generation context
    bool    m_bHorz;
    double m_Start, m_Finish;
    double m_Step;

public:
    class NCBI_GUIGRAPH_EXPORT const_iterator
    {
    public:
        typedef double value_type;
        typedef const value_type& const_reference;

        const_iterator()  // end iterator
            : m_Start(0), m_Finish(0), m_Step(0), m_Iter(0), m_Value(1)    {}

        const_iterator(double Start, double Finish, double Step)  
            : m_Start(Start), m_Finish(Finish), m_Step(Step),  m_Iter(0), m_Value(Start)	{}
        
        const_reference operator*()  const   
        { 
            return m_Value;   
        }
        const_iterator& operator++()
	    {
            Inc();
			return (*this); 
        }
		const_iterator operator++(int)
		{
            const_iterator Tmp = *this;
			Inc();
			return Tmp; 
        }		
        bool operator==(const const_iterator& I) const
	    {
            return (IsEnd() && I.IsEnd())  || 
                   (m_Value == I.m_Value  &&  m_Step == I.m_Step  &&  m_Start == I.m_Start
                    && m_Finish == I.m_Finish  &&  m_Iter == I.m_Iter);
        }
        bool operator!=(const const_iterator& I) const
        {
            return ! (*this==I);
        }
	protected:
        bool IsEnd()   const   {   return m_Value > m_Finish;  }	
        void Inc()
        {
            m_Value = m_Start + (++m_Iter) * m_Step;
            if (m_Value > m_Finish)
                m_Iter = -1;
        }

    protected:
        double m_Start;
        double m_Finish;
        double m_Step;
	int    m_Iter;
	double m_Value;
    };
};

///////////////////////////////////////////////////////////////////////////////
/// CRegularGridRenderer

class NCBI_GUIGRAPH_EXPORT CRegularGridRenderer
{
public:
    CRegularGridRenderer();

    void    EnableIntegerCentering(bool b_en)   {   m_bCentering = b_en;  }
    void    SetColor(const CGlColor& Color)     {   m_Color = Color;    } 

    void    Render(CGlPane* pAreaPane, CGlPane* pPane, CRegularGridGen* pGenerator);

protected:
    double      m_bCentering;
    CGlColor    m_Color;
};

END_NCBI_SCOPE

/*
 * ===========================================================================
 * $Log: regular_grid.hpp,v $
 * Revision 1000.2  2004/06/01 19:48:24  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.10
 *
 * Revision 1.10  2004/05/11 18:54:43  dicuccio
 * Added doxygen modules info
 *
 * Revision 1.9  2003/11/17 20:29:56  yazhuk
 * Added support one-based grids and centering
 *
 * Revision 1.8  2003/10/08 14:11:30  dicuccio
 * Code clean-up.  Use <> instead of "" for #includes.  Moved CGlPane into opengl.
 * Moved CGlPoint and CGlRect into opengl.
 *
 * Revision 1.7  2003/09/04 13:58:42  dicuccio
 * Added export specifiers.  Inlined destructors of interface classes
 *
 * Revision 1.6  2003/08/14 18:00:45  yazhuk
 * Deleted CRegularGrid class
 *
 * Revision 1.5  2003/08/12 21:18:37  ucko
 * CRegularGridGen::const_iterator: don't try to inherit from iterator<>,
 * which is undefined (conditionalized out(!)) under G++ 2.95.
 *
 * Revision 1.4  2003/08/11 19:17:31  yazhuk
 * Iterator fix
 *
 * Revision 1.3  2003/08/11 16:08:26  yazhuk
 * Compilation fixes for GCC.
 *
 * Revision 1.2  2003/08/10 14:11:18  dicuccio
 * Compilation fixes for gcc
 *
 * Revision 1.1  2003/08/08 16:01:35  yazhuk
 * Initial revision.
 *
 * ===========================================================================
 */

#endif