mirror of
https://github.com/zint/zint
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47 lines
1.6 KiB
PHP
47 lines
1.6 KiB
PHP
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<?php
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/* Generate mod 928 powers table for `encode928()` in "composite.c" */
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/*
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libzint - the open source barcode library
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Copyright (C) 2020 Robin Stuart <rstuart114@gmail.com>
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*/
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/* vim: set ts=4 sw=4 et : */
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/* The functions "getBit", "init928" and "encode928" are copyright BSI and are
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released with permission under the following terms:
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"Copyright subsists in all BSI publications. BSI also holds the copyright, in the
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UK, of the international standardisation bodies. Except as
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permitted under the Copyright, Designs and Patents Act 1988 no extract may be
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reproduced, stored in a retrieval system or transmitted in any form or by any
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means - electronic, photocopying, recording or otherwise - without prior written
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permission from BSI.
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"This does not preclude the free use, in the course of implementing the standard,
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of necessary details such as symbols, and size, type or grade designations. If these
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details are to be used for any other purpose than implementation then the prior
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written permission of BSI must be obtained."
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The date of publication for these functions is 31 May 2006
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*/
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$cw = array(0, 0, 0, 0, 0, 0, 1);
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$pwr928 = array( $cw );
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for ($j = 1; $j < 69; $j++) {
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for ($v = 0, $i = 6; $i >= 1; $i--) {
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$v = (2 * $cw[$i]) + (int)($v / 928);
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$pwr928[$j][$i] = $cw[$i] = $v % 928;
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}
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$pwr928[$j][0] = $cw[0] = (2 * $cw[0]) + (int)($v / 928);
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}
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printf("static UINT pwr928[69][7] = {\n");
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for ($i = 0; $i < 69; $i++) {
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printf(" { ");
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for ($j = 0; $j < 7; $j++) {
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printf("%3d, ", $pwr928[$i][$j]);
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}
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printf("},\n");
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}
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printf("};\n");
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