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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 2007 ZXing authors | 8 * Copyright 2007 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"); |
| 11 * you may not use this file except in compliance with the License. | 11 * you may not use this file except in compliance with the License. |
| 12 * You may obtain a copy of the License at | 12 * You may obtain a copy of the License at |
| 13 * | 13 * |
| 14 * http://www.apache.org/licenses/LICENSE-2.0 | 14 * http://www.apache.org/licenses/LICENSE-2.0 |
| 15 * | 15 * |
| 16 * Unless required by applicable law or agreed to in writing, software | 16 * Unless required by applicable law or agreed to in writing, software |
| 17 * distributed under the License is distributed on an "AS IS" BASIS, | 17 * distributed under the License is distributed on an "AS IS" BASIS, |
| 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 19 * See the License for the specific language governing permissions and | 19 * See the License for the specific language governing permissions and |
| 20 * limitations under the License. | 20 * limitations under the License. |
| 21 */ | 21 */ |
| 22 | 22 |
| 23 #include "../barcode.h" | 23 #include "../barcode.h" |
| 24 #include "../common/BC_CommonBitMatrix.h" | 24 #include "../common/BC_CommonBitMatrix.h" |
| 25 #include "BC_QRDataMask.h" | 25 #include "BC_QRDataMask.h" |
| 26 static FX_INT32 N_DATA_MASKS = 0; | 26 static int32_t N_DATA_MASKS = 0; |
| 27 CFX_PtrArray* CBC_QRDataMask::DATA_MASKS = NULL; | 27 CFX_PtrArray* CBC_QRDataMask::DATA_MASKS = NULL; |
| 28 void CBC_QRDataMask::Initialize() | 28 void CBC_QRDataMask::Initialize() |
| 29 { | 29 { |
| 30 DATA_MASKS = FX_NEW CFX_PtrArray(); | 30 DATA_MASKS = FX_NEW CFX_PtrArray(); |
| 31 N_DATA_MASKS = BuildDataMasks(); | 31 N_DATA_MASKS = BuildDataMasks(); |
| 32 } | 32 } |
| 33 void CBC_QRDataMask::Finalize() | 33 void CBC_QRDataMask::Finalize() |
| 34 { | 34 { |
| 35 Destroy(); | 35 Destroy(); |
| 36 delete DATA_MASKS; | 36 delete DATA_MASKS; |
| 37 } | 37 } |
| 38 void CBC_QRDataMask::Destroy() | 38 void CBC_QRDataMask::Destroy() |
| 39 { | 39 { |
| 40 FX_INT32 i; | 40 int32_t i; |
| 41 for(i = 0; i < N_DATA_MASKS; i++) { | 41 for(i = 0; i < N_DATA_MASKS; i++) { |
| 42 CBC_QRDataMask* p = (CBC_QRDataMask*)(*DATA_MASKS)[i]; | 42 CBC_QRDataMask* p = (CBC_QRDataMask*)(*DATA_MASKS)[i]; |
| 43 if (p) { | 43 if (p) { |
| 44 delete p; | 44 delete p; |
| 45 } | 45 } |
| 46 } | 46 } |
| 47 } | 47 } |
| 48 void CBC_QRDataMask::UnmaskBitMatirx(CBC_CommonBitMatrix *bits, FX_INT32 dimensi
on) | 48 void CBC_QRDataMask::UnmaskBitMatirx(CBC_CommonBitMatrix *bits, int32_t dimensio
n) |
| 49 { | 49 { |
| 50 for(FX_INT32 i = 0; i < dimension; i++) { | 50 for(int32_t i = 0; i < dimension; i++) { |
| 51 for(FX_INT32 j = 0; j < dimension; j++) { | 51 for(int32_t j = 0; j < dimension; j++) { |
| 52 if(IsMasked(i, j)) { | 52 if(IsMasked(i, j)) { |
| 53 bits->Flip(j, i); | 53 bits->Flip(j, i); |
| 54 } | 54 } |
| 55 } | 55 } |
| 56 } | 56 } |
| 57 } | 57 } |
| 58 CBC_QRDataMask* CBC_QRDataMask::ForReference(FX_INT32 reference, FX_INT32 &e) | 58 CBC_QRDataMask* CBC_QRDataMask::ForReference(int32_t reference, int32_t &e) |
| 59 { | 59 { |
| 60 if(reference < 0 || reference > 7) { | 60 if(reference < 0 || reference > 7) { |
| 61 e = BCExceptionReferenceMustBeBetween0And7; | 61 e = BCExceptionReferenceMustBeBetween0And7; |
| 62 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | 62 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
| 63 } | 63 } |
| 64 return (CBC_QRDataMask*)(*DATA_MASKS)[reference]; | 64 return (CBC_QRDataMask*)(*DATA_MASKS)[reference]; |
| 65 } | 65 } |
| 66 class DataMask000 : public CBC_QRDataMask | 66 class DataMask000 : public CBC_QRDataMask |
| 67 { | 67 { |
| 68 public: | 68 public: |
| 69 FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y) | 69 FX_BOOL IsMasked(int32_t x, int32_t y) |
| 70 { | 70 { |
| 71 return ((x + y) % 2) == 0; | 71 return ((x + y) % 2) == 0; |
| 72 } | 72 } |
| 73 }; | 73 }; |
| 74 class DataMask001 : public CBC_QRDataMask | 74 class DataMask001 : public CBC_QRDataMask |
| 75 { | 75 { |
| 76 public: | 76 public: |
| 77 FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y) | 77 FX_BOOL IsMasked(int32_t x, int32_t y) |
| 78 { | 78 { |
| 79 return (x % 2) == 0; | 79 return (x % 2) == 0; |
| 80 } | 80 } |
| 81 }; | 81 }; |
| 82 class DataMask010 : public CBC_QRDataMask | 82 class DataMask010 : public CBC_QRDataMask |
| 83 { | 83 { |
| 84 public: | 84 public: |
| 85 FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y) | 85 FX_BOOL IsMasked(int32_t x, int32_t y) |
| 86 { | 86 { |
| 87 return y % 3 == 0; | 87 return y % 3 == 0; |
| 88 } | 88 } |
| 89 }; | 89 }; |
| 90 class DataMask011 : public CBC_QRDataMask | 90 class DataMask011 : public CBC_QRDataMask |
| 91 { | 91 { |
| 92 public: | 92 public: |
| 93 FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y) | 93 FX_BOOL IsMasked(int32_t x, int32_t y) |
| 94 { | 94 { |
| 95 return (x + y) % 3 == 0; | 95 return (x + y) % 3 == 0; |
| 96 } | 96 } |
| 97 }; | 97 }; |
| 98 class DataMask100 : public CBC_QRDataMask | 98 class DataMask100 : public CBC_QRDataMask |
| 99 { | 99 { |
| 100 public: | 100 public: |
| 101 FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y) | 101 FX_BOOL IsMasked(int32_t x, int32_t y) |
| 102 { | 102 { |
| 103 return (((x >> 1) + (y / 3)) % 2) == 0; | 103 return (((x >> 1) + (y / 3)) % 2) == 0; |
| 104 } | 104 } |
| 105 }; | 105 }; |
| 106 class DataMask101 : public CBC_QRDataMask | 106 class DataMask101 : public CBC_QRDataMask |
| 107 { | 107 { |
| 108 public: | 108 public: |
| 109 FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y) | 109 FX_BOOL IsMasked(int32_t x, int32_t y) |
| 110 { | 110 { |
| 111 size_t temp = x * y; | 111 size_t temp = x * y; |
| 112 return (temp % 2) + (temp % 3) == 0; | 112 return (temp % 2) + (temp % 3) == 0; |
| 113 } | 113 } |
| 114 }; | 114 }; |
| 115 class DataMask110 : public CBC_QRDataMask | 115 class DataMask110 : public CBC_QRDataMask |
| 116 { | 116 { |
| 117 public: | 117 public: |
| 118 FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y) | 118 FX_BOOL IsMasked(int32_t x, int32_t y) |
| 119 { | 119 { |
| 120 size_t temp = x * y; | 120 size_t temp = x * y; |
| 121 return (((temp % 2) + (temp % 3)) % 2) == 0; | 121 return (((temp % 2) + (temp % 3)) % 2) == 0; |
| 122 } | 122 } |
| 123 }; | 123 }; |
| 124 class DataMask111 : public CBC_QRDataMask | 124 class DataMask111 : public CBC_QRDataMask |
| 125 { | 125 { |
| 126 public: | 126 public: |
| 127 FX_BOOL IsMasked(FX_INT32 x, FX_INT32 y) | 127 FX_BOOL IsMasked(int32_t x, int32_t y) |
| 128 { | 128 { |
| 129 return ((((x + y) % 2) + ((x * y) % 3)) % 2) == 0; | 129 return ((((x + y) % 2) + ((x * y) % 3)) % 2) == 0; |
| 130 } | 130 } |
| 131 }; | 131 }; |
| 132 FX_INT32 CBC_QRDataMask::BuildDataMasks() | 132 int32_t CBC_QRDataMask::BuildDataMasks() |
| 133 { | 133 { |
| 134 DATA_MASKS->Add(FX_NEW DataMask000); | 134 DATA_MASKS->Add(FX_NEW DataMask000); |
| 135 DATA_MASKS->Add(FX_NEW DataMask001); | 135 DATA_MASKS->Add(FX_NEW DataMask001); |
| 136 DATA_MASKS->Add(FX_NEW DataMask010); | 136 DATA_MASKS->Add(FX_NEW DataMask010); |
| 137 DATA_MASKS->Add(FX_NEW DataMask011); | 137 DATA_MASKS->Add(FX_NEW DataMask011); |
| 138 DATA_MASKS->Add(FX_NEW DataMask100); | 138 DATA_MASKS->Add(FX_NEW DataMask100); |
| 139 DATA_MASKS->Add(FX_NEW DataMask101); | 139 DATA_MASKS->Add(FX_NEW DataMask101); |
| 140 DATA_MASKS->Add(FX_NEW DataMask110); | 140 DATA_MASKS->Add(FX_NEW DataMask110); |
| 141 DATA_MASKS->Add(FX_NEW DataMask111); | 141 DATA_MASKS->Add(FX_NEW DataMask111); |
| 142 return DATA_MASKS->GetSize(); | 142 return DATA_MASKS->GetSize(); |
| 143 } | 143 } |
| 144 CBC_QRDataMask::CBC_QRDataMask() | 144 CBC_QRDataMask::CBC_QRDataMask() |
| 145 { | 145 { |
| 146 } | 146 } |
| 147 CBC_QRDataMask::~CBC_QRDataMask() | 147 CBC_QRDataMask::~CBC_QRDataMask() |
| 148 { | 148 { |
| 149 } | 149 } |
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