TYPolyLineGraphic.cpp

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/*
 * Copyright (C) <2012-2024> <EDF-DTG> <FRANCE>
 * This file is part of Code_TYMPAN (R).
 * Code_TYMPAN (R) 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 3 of the License, or
 * (at your option) any later version.
 * Code_TYMPAN (R) 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 Code_TYMPAN (R). If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "gui/gl/TYRenderContext.h"
#include <QtOpenGL>
 
#include "TYPolyLineGraphic.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);
}
 
OBox TYPolyLineGraphic::computeBoundingBox() const
{
    OBox boundingBox;
    size_t nbPts = _tabPts.size();
    if (nbPts > 0)
    {
        TYPoint pt{_tabPts[0 % nbPts]};
        boundingBox = OBox{pt, pt};
        for (size_t i = 1; i < nbPts; i++)
        {
            pt = TYPoint{_tabPts[i % nbPts]};
            boundingBox.Enlarge((float)(pt._x), (float)(pt._y), (float)(pt._z));
        }
    }
    return boundingBox;
}
void TYPolyLineGraphic::display(TYRenderContext& renderContext)
{
    size_t nbPts = _tabPts.size();
    float colorTYPolyLineGraphic[4];
    glGetFloatv(GL_CURRENT_COLOR, colorTYPolyLineGraphic);
 
    if (_highlight)
    {
        if (renderContext.pass == TYRenderPass::Overlay)
        {
            drawName(renderContext);
        }
        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]);
    }
}