Function stbi__jpeg_get_bits

lite/example/cpp_example/mge/cv/stb_image.h:2316–2325

get some unsigned bits

// get some unsigned bits
stbi_inline static int stbi__jpeg_get_bits(stbi__jpeg* j, int n) {
    unsigned int k;
    if (j->code_bits < n)
        stbi__grow_buffer_unsafe(j);
    k = stbi_lrot(j->code_buffer, n);
    j->code_buffer = k & ~stbi__bmask[n];
    k &= stbi__bmask[n];
    j->code_bits -= n;
    return k;
}

stbi_inline static int stbi__jpeg_get_bit(stbi__jpeg* j) {
    unsigned int k;