Function encode

dependency/densecrf/examples/lodepng.cpp:6157–6169

    
#ifdef LODEPNG_COMPILE_ENCODER
    unsigned encode(std::vector<unsigned char>& out, const unsigned char* in, unsigned w, unsigned h,
                    LodePNGColorType colortype, unsigned bitdepth)
    {
        unsigned char* buffer;
        size_t buffersize;
        unsigned error = lodepng_encode_memory(&buffer, &buffersize, in, w, h, colortype, bitdepth);
        if(buffer)
        {
            out.insert(out.end(), &buffer[0], &buffer[buffersize]);
            lodepng_free(buffer);
        }
        return error;
    }
    
    unsigned encode(std::vector<unsigned char>& out,
                    const std::vector<unsigned char>& in, unsigned w, unsigned h,