glc_line.cpp

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.

 GLC-lib 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 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *****************************************************************************/

#include "glc_line.h"
#include "../glc_openglexception.h"

// Constructor Destructor

GLC_Line::GLC_Line(const GLC_Point3d & point1, const GLC_Point3d & point2)
: GLC_Geometry("Line", true)
, m_Point1(point1)
, m_Point2(point2)
{

}

GLC_Line::GLC_Line(const GLC_Line& line)
: GLC_Geometry(line)
, m_Point1(line.m_Point1)
, m_Point2(line.m_Point2)
{

}

GLC_Line::~GLC_Line()
{

}

// Get Functions

const GLC_BoundingBox& GLC_Line::boundingBox(void)
{

        if (NULL == m_pBoundingBox)
        {
                m_pBoundingBox= new GLC_BoundingBox();

                m_pBoundingBox->combine(m_Point1);
                m_pBoundingBox->combine(m_Point2);
        }
        return *m_pBoundingBox;
}

GLC_Geometry* GLC_Line::clone() const
{
        return new GLC_Line(*this);
}


// Set Functions
void GLC_Line::setColor(const QColor& color)
{
        m_WireColor= color;
        if (GLC_Geometry::hasMaterial())
        {
                GLC_Geometry::firstMaterial()->setDiffuseColor(color);
        }
}
// OpenGL Functions

void GLC_Line::glDraw(const GLC_RenderProperties&)
{
        // Point Display
        glBegin(GL_LINES);
                glVertex3dv(m_Point1.data());
                glVertex3dv(m_Point2.data());
        glEnd();

        // OpenGL error handler
        GLenum error= glGetError();
        if (error != GL_NO_ERROR)
        {
                GLC_OpenGlException OpenGlException("GLC_Line::GlDraw ", error);
                throw(OpenGlException);
        }
}