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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef XFA_SRC_FXBARCODE_QRCODE_BC_QRCODERMATRIXUTIL_H_ | |
| 8 #define XFA_SRC_FXBARCODE_QRCODE_BC_QRCODERMATRIXUTIL_H_ | |
| 9 | |
| 10 class CBC_CommonByteMatrix; | |
| 11 class CBC_QRCoderErrorCorrectionLevel; | |
| 12 class CBC_QRCoderBitVector; | |
| 13 class CBC_QRCoderMatrixUtil { | |
| 14 private: | |
| 15 static const int32_t POSITION_DETECTION_PATTERN[7][7]; | |
| 16 static const int32_t VERTICAL_SEPARATION_PATTERN[7][1]; | |
| 17 static const int32_t HORIZONTAL_SEPARATION_PATTERN[1][8]; | |
| 18 static const int32_t POSITION_ADJUSTMENT_PATTERN[5][5]; | |
| 19 static const int32_t POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[40][7]; | |
| 20 static const int32_t TYPE_INFO_COORDINATES[15][2]; | |
| 21 static const int32_t VERSION_INFO_POLY; | |
| 22 static const int32_t TYPE_INFO_POLY; | |
| 23 static const int32_t TYPE_INFO_MASK_PATTERN; | |
| 24 | |
| 25 public: | |
| 26 CBC_QRCoderMatrixUtil(); | |
| 27 virtual ~CBC_QRCoderMatrixUtil(); | |
| 28 static void ClearMatrix(CBC_CommonByteMatrix* matrix, int32_t& e); | |
| 29 static void BuildMatrix(CBC_QRCoderBitVector* dataBits, | |
| 30 CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
| 31 int32_t version, | |
| 32 int32_t maskPattern, | |
| 33 CBC_CommonByteMatrix* matrix, | |
| 34 int32_t& e); | |
| 35 static void EmbedBasicPatterns(int32_t version, | |
| 36 CBC_CommonByteMatrix* matrix, | |
| 37 int32_t& e); | |
| 38 static void EmbedTypeInfo(CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
| 39 int32_t maskPattern, | |
| 40 CBC_CommonByteMatrix* matrix, | |
| 41 int32_t& e); | |
| 42 static void EmbedDataBits(CBC_QRCoderBitVector* dataBits, | |
| 43 int32_t maskPattern, | |
| 44 CBC_CommonByteMatrix* matrix, | |
| 45 int32_t& e); | |
| 46 static void MaybeEmbedVersionInfo(int32_t version, | |
| 47 CBC_CommonByteMatrix* matrix, | |
| 48 int32_t& e); | |
| 49 static int32_t FindMSBSet(int32_t value); | |
| 50 static int32_t CalculateBCHCode(int32_t code, int32_t poly); | |
| 51 static void MakeTypeInfoBits(CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
| 52 int32_t maskPattern, | |
| 53 CBC_QRCoderBitVector* bits, | |
| 54 int32_t& e); | |
| 55 static void MakeVersionInfoBits(int32_t version, | |
| 56 CBC_QRCoderBitVector* bits, | |
| 57 int32_t& e); | |
| 58 static FX_BOOL IsEmpty(int32_t value); | |
| 59 static FX_BOOL IsValidValue(int32_t value); | |
| 60 static void EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, int32_t& e); | |
| 61 static void EmbedDarkDotAtLeftBottomCorner(CBC_CommonByteMatrix* matrix, | |
| 62 int32_t& e); | |
| 63 static void EmbedHorizontalSeparationPattern(int32_t xStart, | |
| 64 int32_t yStart, | |
| 65 CBC_CommonByteMatrix* matrix, | |
| 66 int32_t& e); | |
| 67 static void EmbedVerticalSeparationPattern(int32_t xStart, | |
| 68 int32_t yStart, | |
| 69 CBC_CommonByteMatrix* matrix, | |
| 70 int32_t& e); | |
| 71 static void EmbedPositionAdjustmentPattern(int32_t xStart, | |
| 72 int32_t yStart, | |
| 73 CBC_CommonByteMatrix* matrix, | |
| 74 int32_t& e); | |
| 75 static void EmbedPositionDetectionPattern(int32_t xStart, | |
| 76 int32_t yStart, | |
| 77 CBC_CommonByteMatrix* matrix, | |
| 78 int32_t& e); | |
| 79 static void EmbedPositionDetectionPatternsAndSeparators( | |
| 80 CBC_CommonByteMatrix* matrix, | |
| 81 int32_t& e); | |
| 82 static void MaybeEmbedPositionAdjustmentPatterns(int32_t version, | |
| 83 CBC_CommonByteMatrix* matrix, | |
| 84 int32_t& e); | |
| 85 }; | |
| 86 | |
| 87 #endif // XFA_SRC_FXBARCODE_QRCODE_BC_QRCODERMATRIXUTIL_H_ | |
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