hanayo/vendor/github.com/boombuler/barcode/qr/unicode.go

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2019-02-23 13:29:15 +00:00
package qr
import (
"errors"
"github.com/boombuler/barcode/utils"
)
func encodeUnicode(content string, ecl ErrorCorrectionLevel) (*utils.BitList, *versionInfo, error) {
data := []byte(content)
vi := findSmallestVersionInfo(ecl, byteMode, len(data)*8)
if vi == nil {
return nil, nil, errors.New("To much data to encode")
}
// It's not correct to add the unicode bytes to the result directly but most readers can't handle the
// required ECI header...
res := new(utils.BitList)
res.AddBits(int(byteMode), 4)
res.AddBits(len(content), vi.charCountBits(byteMode))
for _, b := range data {
res.AddByte(b)
}
addPaddingAndTerminator(res, vi)
return res, vi, nil
}