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]; |
+ } |
+} |