#include "stdafx.h"
#include "CSprite.h"

bool CSprite::LoadImage(const std::string &imgfile)
{
    SDL_Surface* t_sfc = NULL;
    t_sfc = IMG_Load(imgfile.c_str());
    if ( t_sfc == NULL )
        return false;
    spriteSheet = SDL_DisplayFormat(t_sfc); //Access violation here
    SDL_FreeSurface(t_sfc);
    if ( spriteSheet == NULL )
        return false;
    return true;
}

#ifndef CSPRITE_H
#define CSPRITE_H

/* CSprite class definition */
class CSprite
{
private:
    int x; int y;
    int direction;
    int xVel; int yVel;

    enum
    {
        UP = 0,
        DOWN = 1,
        LEFT = 2,
        RIGHT = 3
    };
    SDL_Surface* spriteSheet;
    std::vector<SDL_Rect> clips;
public:
    CSprite();
    ~CSprite();
    
    bool LoadImage(const std::string& imgfile);
    void NewRect(int x, int y, int w, int h);

    void apply_surface(int x, int y, SDL_Surface* source, SDL_Surface* destination);
};

#endif

Unhandle exception at 0x68129410 in Varia_Engine.exe: 0xC0000005:
Access violation reading location 0x00000013c.

int main()
{
  CSprite n;
  n.LoadImage("C:\\BSM.png"); //access violation.
}