graphwindow.cpp

来自「ncbi源码」· C++ 代码 · 共 359 行

/*
 * ===========================================================================
 * PRODUCTION $Log: graphwindow.cpp,v $
 * PRODUCTION Revision 1000.2  2004/06/01 20:50:01  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.9
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: graphwindow.cpp,v 1000.2 2004/06/01 20:50:01 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 <ncbi_pch.hpp>
#include <util/range.hpp>

#include <corelib/ncbistd.hpp>
#include <gui/opengl/glcolortable.hpp>

// graphs
#include <gui/graph/pie_graph.hpp>
#include <gui/graph/scatter_graph.hpp>
#include <gui/graph/combo_chart.hpp>

#include "graphwindow.hpp"

#include <math.h>
#include <stdio.h>

USING_NCBI_SCOPE;

////////////////////////////////////////////////////////////////////////////////
/// class CGraphWindow 

CGraphWindow::CGraphWindow(int x, int y, int w, int h)
 : CGlCanvas2d(x, y, w, h, "Graph Demo"),
   m_pScrollCont(NULL)
{
    m_Panel.Create();
    m_Panel.SetLayout(100, 25, 100, 60);

    m_Panel.SetBackColor(CGlColor(0.95f, 0.95f, 1.0f), CGlColor(0.9f, 0.9f, 1.0f));
    
    // create on the graphs    
    int iG = 0;
    switch (iG) {
    case 0: x_CreateComboChart(); break;
    case 1: x_CreatePie(); break;
    case 2: x_CreateScatter(); break;
    }

    resize(x, y, w, h);
    m_Panel.GetGraphPane().ZoomAll(true);
}

CGraphWindow::~CGraphWindow()
{
    RemoveGraphsAndSources();
}

void CGraphWindow::ZoomAll()
{
    m_Panel.GetGraphPane().ZoomAll();
    
    x_UpdateScrollBars();
    redraw();
}

void CGraphWindow::ZoomIn()
{
    m_Panel.GetGraphPane().ZoomInCenter();
    
    x_UpdateScrollBars();
    redraw();
}

void CGraphWindow::ZoomOut()
{
    m_Panel.GetGraphPane().ZoomOutCenter();
    
    x_UpdateScrollBars();
    redraw();
}

void    CGraphWindow::AddGraph(IGraph* pGraph)
{
    m_Panel.AddGraph(pGraph);

    m_vpGraphs.push_back(pGraph);
}

void    CGraphWindow::AddDataSource(IGraphDataSource* pDS)
{
    m_vpSources.push_back(pDS);
}

void    CGraphWindow::RemoveGraphsAndSources()
{
    m_Panel.RemoveAllGraphs();

    destroy_and_erase_elems(m_vpGraphs);
    destroy_and_erase_elems(m_vpSources);
}

#define BORDER 5
void    CGraphWindow::resize(int x, int y, int w, int h)
{
    CGlCanvas2d::resize(x, y, w, h); 
    
    // resize m_Panel 
    m_Panel.SetRect(TVPRect(BORDER, BORDER, w - 1 - BORDER, h - 1 - BORDER));
    
    x_UpdateScrollBars();
}

#define MAX_SCROLL 0x10000

void CGraphWindow::x_UpdateScrollBars()
{
    if (m_pScrollCont) {
        TModelRect rcV = m_Panel.GetGraphPane().GetVisibleRect();
        TModelRect rcL = m_Panel.GetGraphPane().GetModelLimitsRect();
        double PageN = rcV.Width() / rcL.Width();
        double PosN = (rcV.Left() - rcL.Left()) / rcL.Width();
        m_pScrollCont->SetValuesX((int) (PosN  * MAX_SCROLL), (int)(PageN * MAX_SCROLL), 1, MAX_SCROLL);

        PageN = rcV.Height() / rcL.Height();
        PosN = (rcL.Top() - rcV.Top()) / rcL.Height();
        m_pScrollCont->SetValuesY((int)(PosN  * MAX_SCROLL), (int)(PageN * MAX_SCROLL), 1, MAX_SCROLL);
    }
}

void CGraphWindow::SetContainer(IScrollContainer* pCont)
{
    m_pScrollCont = pCont;
    if(m_pScrollCont)
        x_UpdateScrollBars();
}

void CGraphWindow::OnScrollX(Fl_Scrollbar* pBar)
{
    double PosN = ((double) pBar->value()) / MAX_SCROLL;        
    
    TModelRect rcV = m_Panel.GetGraphPane().GetVisibleRect();
    TModelRect rcL = m_Panel.GetGraphPane().GetModelLimitsRect();
    double Pos = PosN* rcL.Width() + rcL.Left();
    double Shift = Pos - rcV.Left();
    rcV.Offset(Shift, 0);

    m_Panel.GetGraphPane().SetVisibleRect(rcV);
    
    redraw();
}

void CGraphWindow::OnScrollY(Fl_Scrollbar* pBar)
{
    double PosN = ((double) pBar->value()) / MAX_SCROLL;        
    
    TModelRect rcV = m_Panel.GetGraphPane().GetVisibleRect();
    TModelRect rcL = m_Panel.GetGraphPane().GetModelLimitsRect();
    double Pos = rcL.Top() - (PosN * rcL.Height());
    double Shift = Pos - rcV.Top();
    rcV.Offset(0, Shift);

    m_Panel.GetGraphPane().SetVisibleRect(rcV);
    
    redraw();
}


void CGraphWindow::draw()
{
    m_Panel.Render();
}

void    CGraphWindow::x_CreateComboChart()
{
    RemoveGraphsAndSources();
    
    int ElemsN = 20;
    int SeriesN = 4;
    
    CComboChartDataSource *pChartDS = new CComboChartDataSource(SeriesN, ElemsN);
    pChartDS->CreateArrays();
    
    for( int i = 0;  i< SeriesN;  i++ ) {
        CComboChartDataSource::TValueCont& Cont = pChartDS->GetValueContainer(i);
        for( int j = 0; j < ElemsN; j++ ) {
            Cont[j] = sin(i + (i/10 + 0.05)*j) + j * 0.01;
            
            char S[30];
            sprintf(S, "Series %d", i);
            pChartDS->GetLabelContainer()[i] = S;
        }
    }
    
    CComboChart* pChart = new CComboChart();
    //pChart->SetStyle(CComboChart::eBarChart); //eStackedBarChart, ePercentBarChart
    
    pChart->SetDataSource(pChartDS);
    pChart->AssignAutoMarkers();
    pChart->AssignAutoColors();
    
    //m_Panel.GetGraphPane().SetModelLimitsRect(pChart->GetLimits());
    
    AddGraph(static_cast<IGraph*>(pChart));
    AddDataSource(static_cast<IGraphDataSource*>(pChartDS));
    
    m_Panel.GetLegend()->SetDataSource(static_cast<IGraphDataSource*>(pChart));

    m_Panel.GetGraphPane().EnableZoom(true, false);
    m_Panel.SetIntegerMode(true, false);
}


void    CGraphWindow::x_CreatePie()
{
    RemoveGraphsAndSources();

    int ElemsN = 10;
    CGlColorTable Table(ElemsN);

    CPieDataSource* pPieDS = new CPieDataSource(ElemsN);
    pPieDS->CreateArrays();

    for( int i=0;  i<ElemsN;  i++ ) {
        pPieDS->GetValueContainer()[i] = i + 1;
        pPieDS->GetColorContainer()[i] = Table.GetColor(i);
        
        char S[30];
        sprintf(S, "Sector N %d", i);
        pPieDS->GetStringContainer()[i] = S;
    }

    IGraphDataSource* pIPDS = static_cast<IGraphDataSource*>(pPieDS);

    CPieGraph* pGraph = new CPieGraph();
    pGraph->SetDataSource(pIPDS);

    m_Panel.SetDrawAxes(false);
    m_Panel.SetDrawGrid(false);
    m_Panel.GetGraphPane().SetModelLimitsRect(pGraph->GetLimits());

    AddGraph(static_cast<IGraph*>(pGraph));
    AddDataSource(static_cast<IGraphDataSource*>(pPieDS));

    m_Panel.GetLegend()->SetDataSource(static_cast<IGraphDataSource*>(pGraph));

    m_Panel.GetGraphPane().EnableZoom(true, true); //###
    m_Panel.GetGraphPane().SetProportionalMode(true); //###
}

typedef CScatterDataSource<double, double> TScatterDS;

void    CGraphWindow::x_CreateScatter()
{
    RemoveGraphsAndSources();
    
    int ElemsN = 500;
    TScatterDS* pScatterDS = new TScatterDS(ElemsN);
    pScatterDS->CreateArrays();

    for( int i=0;  i<ElemsN;  i++) {
        pScatterDS->GetXContainer()[i] = 1000 * (sin(0.013*i)*2 + sin(0.1 * i));
        pScatterDS->GetYContainer()[i] = cos(0.17 *i) + sin(0.04 * i)*3;
    }

    CScatterGraph* pGraph = new CScatterGraph();
    pGraph->SetDataSource(pScatterDS);
    pGraph->SetColor(CGlColor(0.0f, 0.0f, 1.0f));
    pGraph->SetMarkerType(CGraphDotMarker::eDiamond);
    pGraph->SetDrawLines(false);

    TModelRect rcAll(pGraph->GetLimits());

    AddGraph(static_cast<IGraph*>(pGraph));
    AddDataSource(static_cast<IGraphDataSource*>(pScatterDS));

    pScatterDS = new TScatterDS(ElemsN);
    pScatterDS->CreateArrays();

    for( int i=0;  i<ElemsN;  i++) {
        pScatterDS->GetXContainer()[i] = - 600 + 1200 * (sin(0.07*i)*2 + sin(0.1 * i) );
        pScatterDS->GetYContainer()[i] = cos(0.17 *i) + sin(0.04 * i)*5;
    }

    pGraph = new CScatterGraph();
    pGraph->SetDataSource(pScatterDS);
    pGraph->SetColor(CGlColor(0.0f, 1.f, 0.0f));
    pGraph->SetMarkerType(CGraphDotMarker::eNone);
    pGraph->SetDrawLines(true);
    
    AddGraph(static_cast<IGraph*>(pGraph));
    AddDataSource(static_cast<IGraphDataSource*>(pScatterDS));

    rcAll.CombineWith(pGraph->GetLimits());
    m_Panel.GetGraphPane().SetModelLimitsRect(rcAll);    
}

/*
 * ===========================================================================
 * $Log: graphwindow.cpp,v $
 * Revision 1000.2  2004/06/01 20:50:01  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.9
 *
 * Revision 1.9  2004/05/21 22:27:43  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.8  2003/12/10 21:32:24  ucko
 * +<stdio.h> for sprintf()
 *
 * Revision 1.7  2003/09/24 19:55:41  yazhuk
 * Enforced zooming in the first ZoomAll() call.
 *
 * Revision 1.6  2003/08/28 19:26:21  yazhuk
 * Changed CGlPane function names
 *
 * Revision 1.5  2003/08/14 18:04:00  yazhuk
 * Refactored CGraphWindow in order to use CGraphPanel
 *
 * Revision 1.4  2003/08/11 19:20:35  yazhuk
 * Cosmetic changes
 *
 * Revision 1.3  2003/08/11 16:10:58  yazhuk
 * Compilation fixes for GCC
 *
 * Revision 1.2  2003/08/08 15:59:37  yazhuk
 * Comments added
 *
 * ===========================================================================
 */