legend.hpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: legend.hpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 19:48:18  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.7
 * PRODUCTION
 * ===========================================================================
 */

#ifndef GUI_GRAPH___LEGEND__HPP
#define GUI_GRAPH___LEGEND__HPP

/*  $Id: legend.hpp,v 1000.1 2004/06/01 19:48:18 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 <gui/opengl/glbitmapfont.hpp>

#include <gui/graph/igraph.hpp>
#include <gui/graph/igraph_data.hpp>

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

BEGIN_NCBI_SCOPE

///////////////////////////////////////////////////////////////////////////////
/// ILegendDataSource

class ILegendDataSource  : public IGraphDataSource
{
public:
    virtual bool    ShowMarkers() = 0;
    virtual IStringArray*   GetLabelArray() = 0; 
    virtual IColorArray*    GetColorArray() = 0; 
    virtual INumericArray*  GetMarkerArray() = 0; 
};

///////////////////////////////////////////////////////////////////////////////
/// class CLegend

class NCBI_GUIGRAPH_EXPORT CLegend : public CGraphBase
{
public:
    CLegend();
    virtual ~CLegend();

    void    SetBackColor(const CGlColor& Color);
    const CGlColor& GetBackColor() const;

    void    SetBorderColor(const CGlColor& Color);
    const CGlColor& GetBorderColor();

    // IGraph implementation
    virtual bool    SetDataSource(IGraphDataSource* pDS); 
    virtual const   TModelRect&    GetLimits()    const;
    virtual void    Render(CGlPane* pViewport);

protected:
    ILegendDataSource*    GetLegendDataSource() 
            { return dynamic_cast<ILegendDataSource*>(m_pDataSource); };
    virtual void    CalculateLimits();

    virtual void    x_RenderItems(CGlPane* pPane);
    virtual void    x_RenderItem(int X, int Y, const string& sLabel, const CGlColor& Color, int iMarker);
protected:
    CGlBitmapFont m_Font;
    
    CGlColor    m_BackColor;
    CGlColor    m_BorderColor;
    
    bool    m_bHorz; // horizontal layout
    int     m_Space;
    int     m_BoxW, m_BoxH;
};

///////////////////////////////////////////////////////////////////////////////
/// class CLegendDataSource

class NCBI_GUIGRAPH_EXPORT CLegendDataSource : public CSeriesBase, public ILegendDataSource
{
public:
    CLegendDataSource(int Length, bool bShowMarkers = true)
         : CSeriesBase(Length), m_bShowMarkers(bShowMarkers)    {}
    // Data Manipulation interface

    // ILegendDataSource implementation
    virtual bool    ShowMarkers() { return m_bShowMarkers;  }
    virtual IStringArray*  GetLabelArray()  {   return x_GetStringArray(0); }
    virtual IColorArray*   GetColorArray()  {   return x_GetColorArray(1); }
    virtual INumericArray* GetMarkerArray() {   return x_GetNumericArray(2); }

protected:
    typedef CTypedArrayAdapter<IDataArray::eString>  TStrAdapter;
    typedef CTypedArrayAdapter<IDataArray::eColor>   TColorAdapter;
    typedef CTypedArrayAdapter<IDataArray::eNumeric, int> TEnumAdapter;
    
    bool    m_bShowMarkers;
public:
    typedef TStrAdapter::TCont      TStrCont;
    typedef TColorAdapter::TCont    TColorCont;    
    typedef TEnumAdapter::TCont     TEnumCont;
    
    TStrCont&    GetLabelContainer()    {   return dynamic_cast<TStrAdapter*>(GetArray(0))->GetContainer();    }
    TColorCont&  GetColorContainer()    {   return dynamic_cast<TColorAdapter*>(GetArray(1))->GetContainer();    }
    TEnumCont&   GetMarkerContainer()    {   return dynamic_cast<TEnumAdapter*>(GetArray(2))->GetContainer();    }

    virtual void    CreateArrays();    
};

END_NCBI_SCOPE

/*
 * ===========================================================================
 * $Log: legend.hpp,v $
 * Revision 1000.1  2004/06/01 19:48:18  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.7
 *
 * Revision 1.7  2004/05/11 20:26:09  yazhuk
 * Made some functions virtual
 *
 * Revision 1.6  2004/05/11 18:54:43  dicuccio
 * Added doxygen modules info
 *
 * Revision 1.5  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 1.4  2003/09/17 16:15:05  dicuccio
 * Use CGlBitmapFont instead of CGlutFont
 *
 * Revision 1.3  2003/09/04 13:58:42  dicuccio
 * Added export specifiers.  Inlined destructors of interface classes
 *
 * 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