Function decode

depends/lodepng/lodepng.cpp:6352–6365

#ifdef LODEPNG_COMPILE_DECODER

unsigned decode(std::vector<unsigned char>& out, unsigned& w, unsigned& h, const unsigned char* in,
                size_t insize, LodePNGColorType colortype, unsigned bitdepth) {
  unsigned char* buffer = 0;
  unsigned error = lodepng_decode_memory(&buffer, &w, &h, in, insize, colortype, bitdepth);
  if(buffer && !error) {
    State state;
    state.info_raw.colortype = colortype;
    state.info_raw.bitdepth = bitdepth;
    size_t buffersize = lodepng_get_raw_size(w, h, &state.info_raw);
    out.insert(out.end(), &buffer[0], &buffer[buffersize]);
  }
  lodepng_free(buffer);
  return error;
}

unsigned decode(std::vector<unsigned char>& out, unsigned& w, unsigned& h,
                const std::vector<unsigned char>& in, LodePNGColorType colortype, unsigned bitdepth) {