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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 // Original code is licensed as follows: | 6 // Original code is licensed as follows: |
| 7 /* | 7 /* |
| 8 * Copyright 2008 ZXing authors | 8 * Copyright 2008 ZXing authors |
| 9 * | 9 * |
| 10 * Licensed under the Apache License, Version 2.0 (the "License"); | 10 * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 476 BC_FX_ByteString_Append(result, *bytes); | 476 BC_FX_ByteString_Append(result, *bytes); |
| 477 delete bytes; | 477 delete bytes; |
| 478 } | 478 } |
| 479 uint8_t CBC_DataMatrixDecodedBitStreamParser::Unrandomize255State( | 479 uint8_t CBC_DataMatrixDecodedBitStreamParser::Unrandomize255State( |
| 480 int32_t randomizedBase256Codeword, | 480 int32_t randomizedBase256Codeword, |
| 481 int32_t base256CodewordPosition) { | 481 int32_t base256CodewordPosition) { |
| 482 int32_t pseudoRandomNumber = ((149 * base256CodewordPosition) % 255) + 1; | 482 int32_t pseudoRandomNumber = ((149 * base256CodewordPosition) % 255) + 1; |
| 483 int32_t tempVariable = randomizedBase256Codeword - pseudoRandomNumber; | 483 int32_t tempVariable = randomizedBase256Codeword - pseudoRandomNumber; |
| 484 return (uint8_t)(tempVariable >= 0 ? tempVariable : tempVariable + 256); | 484 return (uint8_t)(tempVariable >= 0 ? tempVariable : tempVariable + 256); |
| 485 } | 485 } |
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