// $Id: filemanip.h,v 1.2 2004/06/19 12:56:09 philip Exp $
#include "wx/ffile.h"
#include <set>
void RGB_OutputGreyscaleTGA(unsigned char* image_data, int width, int height, int pitch, wxFFile& file);
std::set<wchar_t> AnalyseChars(wxString filename);