basic/opengl/OpenGLInterface.cpp

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//## begin module%3728CC9D00A0.cm preserve=no
//        %X% %Q% %Z% %W%
//## end module%3728CC9D00A0.cm

//## begin module%3728CC9D00A0.cp preserve=no
//## end module%3728CC9D00A0.cp

//## Module: OpenGLInterface%3728CC9D00A0; Pseudo Package body
//## Source file: C:\project\mpk\code\OpenGL\OpenGLInterface.cpp

//## begin module%3728CC9D00A0.additionalIncludes preserve=no
//## end module%3728CC9D00A0.additionalIncludes

//## begin module%3728CC9D00A0.includes preserve=yes
#include <assert.h>
#ifndef NOGL
#include "glos.h"
#include <gl/gl.h>
#endif
//## end module%3728CC9D00A0.includes

// OpenGLInterface
#include "OpenGL\OpenGLInterface.h"
//## begin module%3728CC9D00A0.additionalDeclarations preserve=yes
//## end module%3728CC9D00A0.additionalDeclarations


// Class OpenGLInterface 


OpenGLInterface::OpenGLInterface ()
  //## begin OpenGLInterface::OpenGLInterface%950480125.hasinit preserve=no
      : displayListNumber(-1)
  //## end OpenGLInterface::OpenGLInterface%950480125.hasinit
  //## begin OpenGLInterface::OpenGLInterface%950480125.initialization preserve=yes
  //## end OpenGLInterface::OpenGLInterface%950480125.initialization
{
  //## begin OpenGLInterface::OpenGLInterface%950480125.body preserve=yes
  //## end OpenGLInterface::OpenGLInterface%950480125.body
}


OpenGLInterface::~OpenGLInterface()
{
  //## begin OpenGLInterface::~OpenGLInterface%.body preserve=yes
#ifndef NOGL
        //-1 is the "not created" number
        if( this->displayListNumber != -1 )
        {
                glDeleteLists( this->displayListNumber, 1 );
        }
#endif
  //## end OpenGLInterface::~OpenGLInterface%.body
}



//## Other Operations (implementation)
void OpenGLInterface::GLDraw () const
{
#ifndef NOGL
        if( displayListNumber == -1 )
        {
                CreateDisplayList();
        }
        glCallList( displayListNumber );
#endif
}

void OpenGLInterface::CreateDisplayList () const
{
#ifndef NOGL    
    if( displayListNumber != -1 )
        {
                glDeleteLists( this->displayListNumber, 1 );
        }

        displayListNumber = glGenLists( 1 );
        assert( displayListNumber != 0 );
        glNewList( displayListNumber, GL_COMPILE );
        this->DrawExplicit();
        glEndList();
#endif
}

// Additional Declarations
  //## begin OpenGLInterface%3728CC9D00A0.declarations preserve=yes
  //## end OpenGLInterface%3728CC9D00A0.declarations

//## begin module%3728CC9D00A0.epilog preserve=yes
//## end module%3728CC9D00A0.epilog

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