seq_graph.cpp

来自「ncbi源码」· C++ 代码 · 共 240 行

/*
 * ===========================================================================
 * PRODUCTION $Log: seq_graph.cpp,v $
 * PRODUCTION Revision 1000.2  2004/06/01 21:11:17  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.5
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: seq_graph.cpp,v 1000.2 2004/06/01 21:11:17 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 <corelib/ncbistl.hpp>
#include <gui/widgets/hit_matrix/seq_graph.hpp>
//#include <gui/graph/igraph_utils.hpp>
#include <objmgr/seq_vector.hpp> 
#include <objmgr/util/sequence.hpp>

#include <FL/Fl.H>
#include <math.h>

BEGIN_NCBI_SCOPE

CSequenceGraph::CSequenceGraph(bool b_horz)
:   m_bHorz(b_horz),
    m_pTextFont(NULL),
    m_pSeqFont(NULL), 
    m_BackColor(0.95f, 0.95f, 0.95f),
    m_SeqBarColor(0.8f, 0.8f, 1.0f),
    m_TextColor(0.0f, 0.0f, 0.0f)
{
}

void    CSequenceGraph::SetFonts(CGlBitmapFont* txt_font, CGlBitmapFont* seq_font)
{
    m_pTextFont = txt_font;
    m_pSeqFont = seq_font;
}

void    CSequenceGraph::SetBioseqHandle(CBioseq_Handle& handle)
{
    m_Handle = handle;
    m_Label.erase();
    if (m_Handle) {
        const CSeq_id& best_id =
            sequence::GetId(m_Handle, sequence::eGetId_Best);
        best_id.GetLabel(&m_Label);
    }
}

static int kSeparator = 6;
static int kLabelOffset = 20;
static int kSeqBarMargin = 3;

TVPPoint CSequenceGraph::PreferredSize()
{
    float seq_h = m_pSeqFont->GetMetric(CGlBitmapFont::eMetric_MaxCharWidth);
    float w = 0, h = 0;        
    if(m_bHorz) {
        float text_h = m_pTextFont->GetMetric(CGlBitmapFont::eMetric_CharHeight);
        h = seq_h + text_h + 2 * kSeqBarMargin + 3 * kSeparator;
    
        w = 2 * kLabelOffset + m_pTextFont->TextWidth(m_Label.c_str());
        
    } else {
        float seq_sym_w = m_pSeqFont->GetMetric(CGlBitmapFont::eMetric_MaxCharWidth);
        float text_sym_w = m_pTextFont->GetMetric(CGlBitmapFont::eMetric_MaxCharWidth);
        w = seq_sym_w + text_sym_w + 2 * kSeqBarMargin + 3 * kSeparator;
        h = 2 * kLabelOffset + m_Label.size() * (seq_h + 1);
    }
    return TVPPoint( (int) ceil(w), (int) ceil(h));
}

void    CSequenceGraph::Render(CGlPane& pane)
{
    if(m_Handle)    {
        _ASSERT(m_pTextFont  &&  m_pSeqFont);
        
        glColorC(m_BackColor);
        glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
        const   TVPRect&    rc_VP = pane.GetViewport();

        float seq_h = m_pSeqFont->GetMetric(CGlBitmapFont::eMetric_MaxCharWidth);
        float seq_sym_w = m_pSeqFont->GetMetric(CGlBitmapFont::eMetric_MaxCharWidth);

        if(m_bHorz) {
            float bar_h = seq_h + kSeqBarMargin * 2;

            pane.OpenPixels();
            
            // fill background
            glRectd(rc_VP.Left(), rc_VP.Bottom(), rc_VP.Right(), rc_VP.Top());

            // draw seq label
            glColorC(m_TextColor);
            float text_h = m_pTextFont->GetMetric(CGlBitmapFont::eMetric_CharHeight);
            float x = rc_VP.Left() + kLabelOffset;
            float y = rc_VP.Bottom() + kSeparator;
            m_pTextFont->TextOut(x, y, m_Label.c_str());

            // draw sequence bar
            glColorC(m_SeqBarColor);
            y = text_h + 2 * kSeparator;
            glRectd(rc_VP.Left(),  y, rc_VP.Right(), y + bar_h);

            pane.Close();
            
            // draw sequence
            double min_w = 1.0 / seq_sym_w;
            TModelUnit scale_x = pane.GetScaleX();
            if(min_w > scale_x)    {    // sequence is visible
                pane.OpenOrtho();    

                TModelRect rc_model = pane.GetVisibleRect();    

                TSeqPos start = (TSeqPos) floor(rc_model.Left());
                TSeqPos stop = (TSeqPos) ceil(rc_model.Right());
            
                // get the sequence                
                CSeqVector v_seq = m_Handle.GetSeqVector();
                string seq;
                v_seq.GetSeqData(start, stop, seq);
                fill(seq.begin(), seq.end(), 'G'); // ### temp hack
                
                glColorC(m_TextColor);
                x = start + 0.5;
                y += kSeqBarMargin;
                m_pSeqFont->ArrayTextOut(x, y, 1.0f, 0.0f, seq.c_str(), 
                                         (float) scale_x, 0.0f);

                pane.Close();            
            }
            
        } else { // vertical orientation
            float bar_w = seq_sym_w + kSeqBarMargin * 2;

            pane.OpenPixels();
            
            // fill background
            glRectd(rc_VP.Left(), rc_VP.Bottom(), rc_VP.Right(), rc_VP.Top());

            // draw seq label
            glColorC(m_TextColor);
            float text_h = m_pTextFont->GetMetric(CGlBitmapFont::eMetric_CharHeight);
            float x = rc_VP.Right() - bar_w - 2 * kSeparator - seq_sym_w;
            float y = rc_VP.Bottom() + kLabelOffset;
            m_pTextFont->ArrayTextOut(x, y, 0.0f, text_h + 1, m_Label.c_str(),
                                      0.0f, (float) pane.GetScaleY());

            // draw sequence bar
            glColorC(m_SeqBarColor);
            x = rc_VP.Right() - kSeparator - bar_w;
            glRectd(x, rc_VP.Bottom(), x + bar_w, rc_VP.Top());
            
            pane.Close();

            // draw sequence            
            double min_h = 1.0 / seq_h;
            TModelUnit scale_y = pane.GetScaleY();
            if(min_h > scale_y) {    // sequence is visible
                pane.OpenOrtho();
        
                TModelRect rc_model = pane.GetVisibleRect();    
                TSeqPos start = (TSeqPos) floor(rc_model.Bottom());
                TSeqPos stop = (TSeqPos) ceil(rc_model.Top());
            
                // get the sequence                
                CSeqVector v_seq = m_Handle.GetSeqVector();
                string seq;
                v_seq.GetSeqData(start, stop, seq);
                fill(seq.begin(), seq.end(), 'T'); // ### temp hack
                
                glColorC(m_TextColor);
                x += kSeqBarMargin;
                y = start + 0.5;
                m_pSeqFont->ArrayTextOut(x, y, 0.0f, 1.0f, seq.c_str(), 
                                         0.0f, (float) scale_y);
                pane.Close();            
            }               
         }         
    }
}


END_NCBI_SCOPE

/*
 * ===========================================================================
 * $Log: seq_graph.cpp,v $
 * Revision 1000.2  2004/06/01 21:11:17  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.5
 *
 * Revision 1.5  2004/05/21 22:27:54  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.4  2004/03/05 17:40:06  dicuccio
 * Use sequence::GetId() instead of CSeq-id::GetStringDescr()
 *
 * Revision 1.3  2003/11/18 18:06:37  ucko
 * Fixed gcc ERRORS - should #include <math.h>.
 *
 * Revision 1.2  2003/11/18 17:57:23  yazhuk
 * Fixed GCC warnings
 *
 * Revision 1.1  2003/11/17 20:41:17  yazhuk
 * Initial revision
 *
 * ===========================================================================
 */