phylo_tree_label.cpp

来自「ncbi源码」· C++ 代码 · 共 162 行

/*
 * ===========================================================================
 * PRODUCTION $Log: phylo_tree_label.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/02 20:24:31  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.5
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: phylo_tree_label.cpp,v 1000.1 2004/06/02 20:24:31 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:  Vladimir Tereshkov
 *
 * File Description:
 *
 */

#include <ncbi_pch.hpp>
#include <gui/widgets/phylo_tree/phylo_tree_label.hpp>

BEGIN_NCBI_SCOPE

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CPhyloTreeLabel::CPhyloTreeLabel()
{
    x_CreateFonts();
}

CPhyloTreeLabel::~CPhyloTreeLabel()
{
    x_DestroyFonts();
}

// initialization of fonts
void CPhyloTreeLabel::x_CreateFonts(void)
{
    // m_Fonts.push_back(new CGlBitmapFont(CGlBitmapFont::eHelvetica6));
    m_Fonts.push_back(new CGlBitmapFont(CGlBitmapFont::eHelvetica8));
    m_Fonts.push_back(new CGlBitmapFont(CGlBitmapFont::eHelvetica10));
    m_Fonts.push_back(new CGlBitmapFont(CGlBitmapFont::eHelvetica12));
    m_Fonts.push_back(new CGlBitmapFont(CGlBitmapFont::eHelvetica14));
    m_Fonts.push_back(new CGlBitmapFont(CGlBitmapFont::eHelvetica18));
    m_Fonts.push_back(new CGlBitmapFont(CGlBitmapFont::eHelvetica20));    
    m_Fonts.push_back(new CGlBitmapFont(CGlBitmapFont::eHelvetica24));    
}

// deinitialization of fonts
void CPhyloTreeLabel::x_DestroyFonts(void)
{
    for (vector <CGlBitmapFont*> :: iterator it = m_Fonts.begin(); it!=m_Fonts.end(); it++){
        delete *it;
    }
    m_Fonts.clear();
}

CGlBitmapFont * CPhyloTreeLabel::x_BestFont(int size)
{    
    CGlBitmapFont * bestFont = NULL;
    
    for (vector <CGlBitmapFont*> :: iterator it = m_Fonts.begin(); it!=m_Fonts.end(); it++){
       if (size > (*it)->TextHeight()) bestFont = *it;
    }

    return bestFont ? bestFont : *m_Fonts.begin();
}

CGlRect<int> CPhyloTreeLabel::GetRect(CGlPane& pane, CGlPoint<int> & pos, string text, bool bLeft)
{
    CGlRect<int>    boundBox;
    CGlBitmapFont * bestFont = x_BestFont(pane.ProjectX(pane.GetVisibleRect().Left()+m_NodeSize*2));
    Int4 offset = 10;
    
    double text_h = bestFont->GetMetric(CGlBitmapFont::eMetric_CharHeight);
    double text_w = bestFont->TextWidth(text.c_str());
      
    boundBox.Init(pane.UnProjectX(pane.ProjectX(pos.X() + ((!bLeft)?offset:-offset)) - text_w),
                  pane.UnProjectY(pane.ProjectY(pos.Y()) - text_h/2),
                  pane.UnProjectX(pane.ProjectX(pos.X() + ((!bLeft)?offset:-offset)) + text_w),
                  pane.UnProjectY(pane.ProjectY(pos.Y()) + text_h/2));  
                
    return boundBox;
}

void CPhyloTreeLabel::Render(CGlPane& pane, CGlPoint<int> & pos, string text, bool bSelected, bool bLeft)
{    
    
    CGlBitmapFont * bestFont = x_BestFont(pane.ProjectX(pane.GetVisibleRect().Left()+m_NodeSize*2));

    glColor4fv((bSelected?m_LabelSelColor:m_LabelColor).GetGlColor());
    
    Int4 offset = 10;
    
    double text_h = bestFont->GetMetric(CGlBitmapFont::eMetric_CharHeight);
    double text_w = bestFont->TextWidth(text.c_str());
    
    double out_y  = pane.UnProjectY(pane.ProjectY(pos.Y()) - text_h/2);
    double out_x  = pane.UnProjectX(pane.ProjectX(pos.X()) - text_w);  
        
    double space_x =   pane.ProjectX(m_RightMargin + pane.GetVisibleRect().Left() - offset - 1);
    
    bestFont->TextOut(((!bLeft)? pos.X() + offset: out_x - offset), 
                          out_y,                           
                          space_x,
                          text_h,
                          text.c_str(),
                          FL_ALIGN_LEFT);                               
}



END_NCBI_SCOPE

/*
 * ===========================================================================
 * $Log: phylo_tree_label.cpp,v $
 * Revision 1000.1  2004/06/02 20:24:31  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.5
 *
 * Revision 1.5  2004/06/02 16:39:38  tereshko
 * Added font
 *
 * Revision 1.4  2004/05/21 22:27:54  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.3  2004/05/11 20:53:12  tereshko
 * Work in progress
 *
 * Revision 1.2  2004/05/06 19:42:21  tereshko
 * Rendering improvements
 *
 * Revision 1.1  2004/04/20 21:56:18  tereshko
 * Initial revision
 *
 * ===========================================================================
 */