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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 2009 ZXing authors | 8 * Copyright 2009 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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| 613 CBC_PDF417Common::CBC_PDF417Common() {} | 613 CBC_PDF417Common::CBC_PDF417Common() {} |
| 614 CBC_PDF417Common::~CBC_PDF417Common() {} | 614 CBC_PDF417Common::~CBC_PDF417Common() {} |
| 615 int32_t CBC_PDF417Common::getBitCountSum(CFX_Int32Array& moduleBitCount) { | 615 int32_t CBC_PDF417Common::getBitCountSum(CFX_Int32Array& moduleBitCount) { |
| 616 int32_t bitCountSum = 0; | 616 int32_t bitCountSum = 0; |
| 617 for (int32_t i = 0; i < moduleBitCount.GetSize(); i++) { | 617 for (int32_t i = 0; i < moduleBitCount.GetSize(); i++) { |
| 618 int32_t count = moduleBitCount.GetAt(i); | 618 int32_t count = moduleBitCount.GetAt(i); |
| 619 bitCountSum += count; | 619 bitCountSum += count; |
| 620 } | 620 } |
| 621 return bitCountSum; | 621 return bitCountSum; |
| 622 } | 622 } |
| 623 int32_t CBC_PDF417Common::getCodeword(FX_DWORD symbol) { | 623 int32_t CBC_PDF417Common::getCodeword(uint32_t symbol) { |
| 624 FX_DWORD sym = symbol & 0x3FFFF; | 624 uint32_t sym = symbol & 0x3FFFF; |
| 625 int32_t i = findCodewordIndex(sym); | 625 int32_t i = findCodewordIndex(sym); |
| 626 if (i == -1) { | 626 if (i == -1) { |
| 627 return -1; | 627 return -1; |
| 628 } | 628 } |
| 629 return (CODEWORD_TABLE[i] - 1) % NUMBER_OF_CODEWORDS; | 629 return (CODEWORD_TABLE[i] - 1) % NUMBER_OF_CODEWORDS; |
| 630 } | 630 } |
| 631 int32_t CBC_PDF417Common::findCodewordIndex(FX_DWORD symbol) { | 631 int32_t CBC_PDF417Common::findCodewordIndex(uint32_t symbol) { |
| 632 int32_t first = 0; | 632 int32_t first = 0; |
| 633 int32_t upto = sizeof(SYMBOL_TABLE) / sizeof(SYMBOL_TABLE[0]); | 633 int32_t upto = sizeof(SYMBOL_TABLE) / sizeof(SYMBOL_TABLE[0]); |
| 634 while (first < upto) { | 634 while (first < upto) { |
| 635 int32_t mid = ((FX_DWORD)(first + upto)) >> 1; | 635 int32_t mid = ((uint32_t)(first + upto)) >> 1; |
| 636 if (symbol < (FX_DWORD)SYMBOL_TABLE[mid]) { | 636 if (symbol < (uint32_t)SYMBOL_TABLE[mid]) { |
| 637 upto = mid; | 637 upto = mid; |
| 638 } else if (symbol > (FX_DWORD)SYMBOL_TABLE[mid]) { | 638 } else if (symbol > (uint32_t)SYMBOL_TABLE[mid]) { |
| 639 first = mid + 1; | 639 first = mid + 1; |
| 640 } else { | 640 } else { |
| 641 return mid; | 641 return mid; |
| 642 } | 642 } |
| 643 } | 643 } |
| 644 return -1; | 644 return -1; |
| 645 } | 645 } |
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