Function lodepng_encode_file

depends/lodepng/lodepng.cpp:6099–6107

#ifdef LODEPNG_COMPILE_DISK
unsigned lodepng_encode_file(const char* filename, const unsigned char* image, unsigned w, unsigned h,
                             LodePNGColorType colortype, unsigned bitdepth) {
  unsigned char* buffer;
  size_t buffersize;
  unsigned error = lodepng_encode_memory(&buffer, &buffersize, image, w, h, colortype, bitdepth);
  if(!error) error = lodepng_save_file(buffer, buffersize, filename);
  lodepng_free(buffer);
  return error;
}

unsigned lodepng_encode32_file(const char* filename, const unsigned char* image, unsigned w, unsigned h) {
  return lodepng_encode_file(filename, image, w, h, LCT_RGBA, 8);