Index: xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp |
diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp |
deleted file mode 100644 |
index 3e6de6ef06f24a59ba044229c0c9bfa13a43126f..0000000000000000000000000000000000000000 |
--- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp |
+++ /dev/null |
@@ -1,104 +0,0 @@ |
-// Copyright 2014 PDFium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
-// Original code is licensed as follows: |
-/* |
- * Copyright 2007 ZXing authors |
- * |
- * Licensed under the Apache License, Version 2.0 (the "License"); |
- * you may not use this file except in compliance with the License. |
- * You may obtain a copy of the License at |
- * |
- * http://www.apache.org/licenses/LICENSE-2.0 |
- * |
- * Unless required by applicable law or agreed to in writing, software |
- * distributed under the License is distributed on an "AS IS" BASIS, |
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
- * See the License for the specific language governing permissions and |
- * limitations under the License. |
- */ |
- |
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.h" |
- |
-#include <memory> |
- |
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" |
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h" |
- |
-CBC_ReedSolomonEncoder::CBC_ReedSolomonEncoder(CBC_ReedSolomonGF256* field) { |
- m_field = field; |
-} |
-void CBC_ReedSolomonEncoder::Init() { |
- m_cachedGenerators.Add(new CBC_ReedSolomonGF256Poly(m_field, 1)); |
-} |
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonEncoder::BuildGenerator(int32_t degree, |
- int32_t& e) { |
- if (degree >= m_cachedGenerators.GetSize()) { |
- CBC_ReedSolomonGF256Poly* lastGenerator = |
- (CBC_ReedSolomonGF256Poly*)(m_cachedGenerators |
- [m_cachedGenerators.GetSize() - 1]); |
- for (int32_t d = m_cachedGenerators.GetSize(); d <= degree; d++) { |
- CFX_Int32Array temp; |
- temp.Add(1); |
- temp.Add(m_field->Exp(d - 1)); |
- CBC_ReedSolomonGF256Poly temp_poly; |
- temp_poly.Init(m_field, &temp, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- CBC_ReedSolomonGF256Poly* nextGenerator = |
- lastGenerator->Multiply(&temp_poly, e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- m_cachedGenerators.Add(nextGenerator); |
- lastGenerator = nextGenerator; |
- } |
- } |
- return (CBC_ReedSolomonGF256Poly*)(m_cachedGenerators[degree]); |
-} |
-void CBC_ReedSolomonEncoder::Encode(CFX_Int32Array* toEncode, |
- int32_t ecBytes, |
- int32_t& e) { |
- if (ecBytes == 0) { |
- e = BCExceptionNoCorrectionBytes; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- int32_t dataBytes = toEncode->GetSize() - ecBytes; |
- if (dataBytes <= 0) { |
- e = BCExceptionNoDataBytesProvided; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- CBC_ReedSolomonGF256Poly* generator = BuildGenerator(ecBytes, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- CFX_Int32Array infoCoefficients; |
- infoCoefficients.SetSize(dataBytes); |
- for (int32_t x = 0; x < dataBytes; x++) { |
- infoCoefficients[x] = toEncode->operator[](x); |
- } |
- CBC_ReedSolomonGF256Poly info; |
- info.Init(m_field, &infoCoefficients, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- std::unique_ptr<CBC_ReedSolomonGF256Poly> infoTemp( |
- info.MultiplyByMonomial(ecBytes, 1, e)); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- std::unique_ptr<CFX_PtrArray> temp(infoTemp->Divide(generator, e)); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- CBC_ReedSolomonGF256Poly* remainder = |
- (CBC_ReedSolomonGF256Poly*)(temp->operator[](1)); |
- CFX_Int32Array* coefficients = remainder->GetCoefficients(); |
- int32_t numZeroCoefficients = ecBytes - coefficients->GetSize(); |
- for (int32_t i = 0; i < numZeroCoefficients; i++) { |
- (*toEncode)[dataBytes + i] = 0; |
- } |
- for (int32_t y = 0; y < coefficients->GetSize(); y++) { |
- (*toEncode)[dataBytes + numZeroCoefficients + y] = |
- coefficients->operator[](y); |
- } |
- for (int32_t k = 0; k < temp->GetSize(); k++) { |
- delete (CBC_ReedSolomonGF256Poly*)(*temp)[k]; |
- } |
-} |
-CBC_ReedSolomonEncoder::~CBC_ReedSolomonEncoder() { |
- for (int32_t i = 0; i < m_cachedGenerators.GetSize(); i++) { |
- delete (CBC_ReedSolomonGF256Poly*)m_cachedGenerators[i]; |
- } |
-} |