| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| QRinput | 95 | 293 | |
| QRmask | 71 | 216 | |
| QRspec | 69 | 273 | |
| QRsplit | 63 | 202 | |
| QRinputItem | 37 | 163 | |
| QRtools | 27 | 97 | |
| QRrsItem | 26 | 91 | |
| QRbitstream | 25 | 101 | |
| QRcode | 24 | 95 | |
| QR_Code_Settings | 23 | 310 | |
| QRencode | 21 | 67 | |
| FrameFiller | 14 | 58 | |
| QRrawcode | 12 | 70 | |
| QRimage | 9 | 47 | |
| QRrs | 8 | 14 | |
| qrstr | 3 | 3 | |
| QRrsblock | 1 | 7 |