OGLGridElement.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 "OGLGridElement.h"
 
#if _WIN32
    #include <windows.h>
#endif //_WIN32
 
#include <GL/gl.h>
 
#include "OGLGrid.h"
 
OGLGridElement::OGLGridElement()
{
    m_pOGLGridToDisplay = new OGLGrid();
    m_fGridDimX = .0;
    m_fGridDimY = .0;
    m_fGridStep = .0;
    m_bIs3D = false;
    m_bShowGridXY = false;
    m_bShowGridXZ = false;
    m_bShowGridZY = false;
}
 
OGLGridElement::~OGLGridElement()
{
    if (m_pOGLGridToDisplay)
    {
        delete m_pOGLGridToDisplay;
    }
}
 
void OGLGridElement::setColor(const OColor& oColor)
{
    m_oColor = oColor;
}
 
int OGLGridElement::render()
{
    if (m_bVisible)
    {
        if (m_bIs3D)
        {
            // Nouvelle vue
            glMatrixMode(GL_MODELVIEW);
            glPushMatrix();
            m_pOGLGridToDisplay->drawGrid(m_fGridDimX, m_fGridDimY, m_fGridStep, m_oColor, m_bShowGridXY,
                                          m_bShowGridXZ, m_bShowGridZY);
            // Ancienne vue
            glPopMatrix();
        }
        else
        {
            GLint viewport[4];
            glGetIntegerv(GL_VIEWPORT, viewport);
            unsigned int width = viewport[2];
            unsigned int height = viewport[3];
            // Nouvelle projection
            glMatrixMode(GL_PROJECTION);
            glPushMatrix();
            glLoadIdentity();
            glOrtho(0, width, 0.0, height, 0.0, 1.0);
 
            // Nouvelle vue
            glMatrixMode(GL_MODELVIEW);
            glPushMatrix();
            glLoadIdentity();
 
            m_pOGLGridToDisplay->drawGrid(m_fGridDimX, m_fGridDimY, m_fGridStep, m_oColor, m_bShowGridXY,
                                          m_bShowGridXZ, m_bShowGridZY);
 
            // Ancienne projection
            glMatrixMode(GL_PROJECTION);
            glPopMatrix();
 
            // Ancienne vue
            glMatrixMode(GL_MODELVIEW);
            glPopMatrix();
        }
    }
 
    return 0;
}