// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.

#ifndef tools_carray
#define tools_carray

//fixed array manips

namespace tools {

template <class T,class I>
inline T* _4s_to_3s(const T* a_4s,const I& a_w,const I& a_h) {
  T* _3s = new T[a_w*a_h*3];
  if(!_3s) return 0;
  T* pfrom = (T*)a_4s;
  T* pto = _3s;
 {I _sz = a_w*a_h*4;
  for(I i=0;i<_sz;i+=4) {
    *(pto+0) = *(pfrom+0);
    *(pto+1) = *(pfrom+1);
    *(pto+2) = *(pfrom+2);
    pfrom += 4;
    pto += 3;
  }}
  return _3s;
}

}

#endif