Method numBitsToPadToCodeword

version.go:3018–3024

numBitsToPadToCodeword returns the number of bits required to pad data of length numDataBits upto the nearest codeword size.

(numDataBits int)

// numBitsToPadToCodeword returns the number of bits required to pad data of
// length numDataBits upto the nearest codeword size.
func (v qrCodeVersion) numBitsToPadToCodeword(numDataBits int) int {
	if numDataBits == v.numDataBits() {
		return 0
	}

	return (8 - numDataBits%8) % 8
}

// symbolSize returns the size of the QR Code symbol in number of modules (which
// is both the width and height, since QR codes are square). The QR Code has