//##################################################################################################
//
//   Custom Visualization Core library
//   Copyright (C) 2011-2012 Ceetron AS
//    
//   This library 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. 
//    
//   This library 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 at <<http://www.gnu.org/licenses/gpl.html>> 
//   for more details. 
//
//##################################################################################################

#include "cvfBase.h"
#include "cvfRenderStateLine.h"
#include "cvfAssert.h"
#include "cvfOpenGL.h"

namespace cvf {




//==================================================================================================
///
/// \class cvf::RenderStateLine
/// \ingroup Render
///
/// 
///
//==================================================================================================

//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
RenderStateLine::RenderStateLine(float lineWidth)
:   RenderState(LINE),
    m_lineWidth(lineWidth),
    m_smooth(false)
{
}


//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RenderStateLine::setWidth(float lineWidth)
{
    m_lineWidth = lineWidth;
}


//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
float RenderStateLine::width() const
{
    return m_lineWidth;
}


//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RenderStateLine::enableSmooth(bool enableSmooth)
{
    m_smooth = enableSmooth;
}


//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
bool RenderStateLine::isSmoothEnabled() const
{
    return m_smooth;
}


//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RenderStateLine::applyOpenGL(OpenGLContext* oglContext) const
{
    CVF_UNUSED(oglContext);

    glLineWidth(m_lineWidth);

#ifndef CVF_OPENGL_ES
    if (m_smooth)
    {
        glEnable(GL_LINE_SMOOTH);
    }
    else
    {
        glDisable(GL_LINE_SMOOTH);
    }
#endif
}



} // namespace cvf