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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 "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h" | 23 #include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h" |
| 24 | 24 |
| 25 #include <memory> | 25 #include <memory> |
| 26 #include <utility> | 26 #include <utility> |
| 27 | 27 |
| 28 #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" | 28 #include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" |
| 29 #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h" | 29 #include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h" |
| 30 | 30 |
| 31 CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field) { | 31 CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field) { |
| 32 m_field = field; | 32 m_field = field; |
| 33 } | 33 } |
| 34 CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder() {} | 34 CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder() {} |
| 35 void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, | 35 void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, |
| 36 int32_t twoS, | 36 int32_t twoS, |
| 37 int32_t& e) { | 37 int32_t& e) { |
| 38 CBC_ReedSolomonGF256Poly poly; | 38 CBC_ReedSolomonGF256Poly poly; |
| 39 poly.Init(m_field, received, e); | 39 poly.Init(m_field, received, e); |
| (...skipping 172 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 212 xiInverse))); | 212 xiInverse))); |
| 213 } | 213 } |
| 214 } | 214 } |
| 215 int32_t temp = m_field->Inverse(denominator, temp); | 215 int32_t temp = m_field->Inverse(denominator, temp); |
| 216 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | 216 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
| 217 (*result)[i] = | 217 (*result)[i] = |
| 218 m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), temp); | 218 m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), temp); |
| 219 } | 219 } |
| 220 return result.release(); | 220 return result.release(); |
| 221 } | 221 } |
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