| 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
|
| index a14a2d9cb58888e51099590f52d0ce63f54f9dae..af526a7ead3b08e78cb86829652dc5d7421ea27d 100644
|
| --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp
|
| +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp
|
| @@ -1,102 +1,102 @@
|
| -// 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/barcode.h"
|
| -#include "BC_ReedSolomonGF256.h"
|
| -#include "BC_ReedSolomonGF256Poly.h"
|
| -#include "BC_ReedSolomon.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);
|
| - CBC_ReedSolomonGF256Poly* rsg = info.MultiplyByMonomial(ecBytes, 1, e);
|
| - BC_EXCEPTION_CHECK_ReturnVoid(e);
|
| - CBC_AutoPtr<CBC_ReedSolomonGF256Poly> infoTemp(rsg);
|
| - CFX_PtrArray* pa = infoTemp->Divide(generator, e);
|
| - BC_EXCEPTION_CHECK_ReturnVoid(e);
|
| - CBC_AutoPtr<CFX_PtrArray> temp(pa);
|
| - 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];
|
| - }
|
| -}
|
| +// 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/barcode.h"
|
| +#include "BC_ReedSolomonGF256.h"
|
| +#include "BC_ReedSolomonGF256Poly.h"
|
| +#include "BC_ReedSolomon.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);
|
| + CBC_ReedSolomonGF256Poly* rsg = info.MultiplyByMonomial(ecBytes, 1, e);
|
| + BC_EXCEPTION_CHECK_ReturnVoid(e);
|
| + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> infoTemp(rsg);
|
| + CFX_PtrArray* pa = infoTemp->Divide(generator, e);
|
| + BC_EXCEPTION_CHECK_ReturnVoid(e);
|
| + CBC_AutoPtr<CFX_PtrArray> temp(pa);
|
| + 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];
|
| + }
|
| +}
|
|
|