TYPolyLineGraphic.cpp

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/*
 * Copyright (C) <2012> <EDF-R&D> <FRANCE>
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#include "TYPolyLineGraphic.h"
 
#include "Tympan/models/business/geometry/TYPoint.h"
#include "Tympan/models/business/geometry/TYRectangle.h"
 
TYPolyLineGraphic::TYPolyLineGraphic(bool closed /*=false*/) : TYElementGraphic(NULL), width(default_width_px)
{
    _closed = closed;
}
 
TYPolyLineGraphic::~TYPolyLineGraphic() {}
 
void TYPolyLineGraphic::update(bool force /*=false*/)
{
    TYElementGraphic::update(force);
}
 
void TYPolyLineGraphic::computeBoundingBox()
{
    OBox reset;
    _boundingBox = reset;
 
    size_t nbPts = _tabPts.size();
    for (size_t i = 0; i < nbPts; i++)
    {
        TYPoint pt(_tabPts[i % (_tabPts.size())]);
        _boundingBox.Enlarge((float)(pt._x), (float)(pt._y), (float)(pt._z));
    }
}
 
void TYPolyLineGraphic::display(TYElement* pModelerElement /*= nullptr*/, GLenum mode /*= GL_RENDER*/)
{
    size_t nbPts = _tabPts.size();
    float colorTYPolyLineGraphic[4];
    glGetFloatv(GL_CURRENT_COLOR, colorTYPolyLineGraphic);
 
    if (_highlight)
    {
        if (_bFirstDisp)
        {
            computeBoundingBox();
            _bFirstDisp = false;
        }
        drawLineBoundingBox();
        if (mode == GL_COMPILE)
        {
            drawName(pModelerElement);
        }
        glColor3f(colorTYPolyLineGraphic[0], colorTYPolyLineGraphic[1], colorTYPolyLineGraphic[2]);
    }
 
    if (_visible)
    {
        GLenum line_mode = 0;
 
        if (_closed)
        {
            line_mode = GL_LINE_LOOP;
        }
        else
        {
            line_mode = GL_LINE_STRIP;
        }
 
        glLineWidth(width);
 
        glBegin(line_mode);
 
        for (size_t i = 0; i < nbPts; i++)
        {
            TYPoint pt(_tabPts[i % (_tabPts.size())]);
            glVertex3f(pt._x, pt._y, pt._z);
        }
 
        glEnd();
        glColor3f(colorTYPolyLineGraphic[0], colorTYPolyLineGraphic[1], colorTYPolyLineGraphic[2]);
        // Calcul du volume englobant pour le fit:
        _globalBoundingBox.Enlarge(_boundingBox);
    }
}