ComponentOne BarCode for ASP.NET Web Forms
In This Topic
    C1QRCode Encoding Limits
    In This Topic

    Although the QR specification includes 40 levels, or encodings, the C1QRCode control only implements levels 1 through 10. The table below summarizes the image sizes and content length supported by each level.

    Correction Level: L (higher correction levels reduce encoding capacity)

     

    Level

    Size

    Numeric

    Alpha

    Bin

    1

    21x21

    41

    25

    17

    2

    25x25

    77

    47

    32

    3

    29x29

    127

    77

    53

    4

    33x33

    187

    114

    78

    5

    37x37

    255

    154

    78

    6

    41x41

    322

    195

    134

    7

    45x45

    370

    224

    154

    8

    49x49

    461

    279

    192

    9

    53x53

    552

    335

    230

    10

    57x57

    652

    395

    271

     

    NOTES:
    The Level is the encoding and can be set to Automatic.
    The Size is the image size in pixels.
    Alphanumeric characters that are supported include [0-9][A-Z][$%*+-./:].

     

    For details on the QR format, please see: http://www.denso-wave.com/qrcode/qrstandard-e.html and http://en.wikipedia.org/wiki/QR_code.