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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 2012 ZXing authors | 8 * Copyright 2012 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 "include/BC_PDF417Common.h" | 24 #include "BC_PDF417Common.h" |
| 25 #include "include/BC_PDF417ECModulusPoly.h" | 25 #include "BC_PDF417ECModulusPoly.h" |
| 26 #include "include/BC_PDF417ECModulusGF.h" | 26 #include "BC_PDF417ECModulusGF.h" |
| 27 #include "include/BC_PDF417ECErrorCorrection.h" | 27 #include "BC_PDF417ECErrorCorrection.h" |
| 28 CBC_PDF417ECModulusGF* CBC_PDF417ECErrorCorrection::m_field = NULL; | 28 CBC_PDF417ECModulusGF* CBC_PDF417ECErrorCorrection::m_field = NULL; |
| 29 void CBC_PDF417ECErrorCorrection::Initialize(FX_INT32 &e) | 29 void CBC_PDF417ECErrorCorrection::Initialize(FX_INT32 &e) |
| 30 { | 30 { |
| 31 m_field = FX_NEW CBC_PDF417ECModulusGF(CBC_PDF417Common::NUMBER_OF_CODEWORDS
, 3, e); | 31 m_field = FX_NEW CBC_PDF417ECModulusGF(CBC_PDF417Common::NUMBER_OF_CODEWORDS
, 3, e); |
| 32 } | 32 } |
| 33 void CBC_PDF417ECErrorCorrection::Finalize() | 33 void CBC_PDF417ECErrorCorrection::Finalize() |
| 34 { | 34 { |
| 35 delete m_field; | 35 delete m_field; |
| 36 } | 36 } |
| 37 CBC_PDF417ECErrorCorrection::CBC_PDF417ECErrorCorrection() | 37 CBC_PDF417ECErrorCorrection::CBC_PDF417ECErrorCorrection() |
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| 360 FX_INT32 numerator = m_field->subtract(0, errorEvaluator->evaluateAt(xiI
nverse)); | 360 FX_INT32 numerator = m_field->subtract(0, errorEvaluator->evaluateAt(xiI
nverse)); |
| 361 FX_INT32 denominator = m_field->inverse(formalDerivative.evaluateAt(xiIn
verse), e); | 361 FX_INT32 denominator = m_field->inverse(formalDerivative.evaluateAt(xiIn
verse), e); |
| 362 if (e != BCExceptionNO) { | 362 if (e != BCExceptionNO) { |
| 363 delete result; | 363 delete result; |
| 364 return NULL; | 364 return NULL; |
| 365 } | 365 } |
| 366 result->SetAt(i, m_field->multiply(numerator, denominator)); | 366 result->SetAt(i, m_field->multiply(numerator, denominator)); |
| 367 } | 367 } |
| 368 return result; | 368 return result; |
| 369 } | 369 } |
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