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Updated comment for QrCode.getNumRawDataModules() in all language versions.

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Project Nayuki
2017-05-06 11:51:21 +00:00
parent 84dd6f4e07
commit 652ee37f59
5 changed files with 13 additions and 13 deletions
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python/qrcodegen.py
+3 -3
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@@ -521,9 +521,9 @@ class QrCode(object):
@staticmethod
def _get_num_raw_data_modules(ver):
"""Returns the number of raw data modules (bits) available at the given version number.
These data modules are used for both user data codewords and error correction codewords.
This stateless pure function could be implemented as a 40-entry lookup table."""
"""Returns the number of data bits that can be stored in a QR Code of the given version number, after
all function modules are excluded. This includes remainder bits, so it might not be a multiple of 8.
The result is in the range [208, 29648]. This could be implemented as a 40-entry lookup table."""
if not 1 <= ver <= 40:
raise ValueError("Version number out of range")
result = (16 * ver + 128) * ver + 64