Function lodepng_encode_file

dependency/densecrf/examples/lodepng.cpp:5854–5863

#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)
{