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Quick Syntax Issue

Posted on 2003-12-10
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Last Modified: 2013-12-06
I have the following code:
===============================================

#include "globals.h"
#include "ftApp.h"

#include <GL/glut.h>


ftApp::ftApp(int argc, char **argv)
{
      // Standard GLUT init
      glutInit(&argc,argv);
      glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
      glutInitWindowSize(WINDOW_START_WIDTH, WINDOW_START_HEIGHT);
      glutCreateWindow(WINDOW_TITLE);

      // GLUT callback functions
      glutDisplayFunc(ftApp::DrawScene);

      this->SetupRenderContext();
}


void ftApp::SetupRenderContext(void)
{
      glClearColor(CLEAR_COLOR);
}


void ftApp::Start(void)
{
      glutMainLoop();
}


void ftApp::DrawScene(void)
{
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
      glMatrixMode(GL_MODELVIEW);
      glLoadIdentity();
      glutSolidTeapot(0.5);
}

===============================================

On compile, following error occurs:

...\ftApp.cpp(16): error C2664: 'glutDisplayFunc' : cannot convert parameter 1 from 'void (void)' to 'void (__cdecl *)(void)'

===============================================

I think it is obvious what I am trying to do.  How do I do it?

Thanks,

Justin
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Question by:newstandard
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shivsa earned 1000 total points
ID: 9918101
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Author Comment

by:newstandard
ID: 9918247
wow, that is awkward

but, it works :-)

thanks!
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