diff options
Diffstat (limited to 'xfa/src/fxbarcode/common')
30 files changed, 2477 insertions, 2477 deletions
diff --git a/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp b/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp index 61b4ce3b4f..e9bb3b747a 100644 --- a/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp @@ -1,112 +1,112 @@ -// 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_CommonBitArray.h"
-CBC_CommonBitArray::CBC_CommonBitArray(CBC_CommonBitArray* array) {
- m_size = array->GetSize();
- m_bits.Copy(array->GetBits());
-}
-CBC_CommonBitArray::CBC_CommonBitArray() {
- m_bits.SetSize(1);
- m_size = 0;
-}
-CBC_CommonBitArray::CBC_CommonBitArray(int32_t size) {
- m_bits.SetSize((size + 31) >> 5);
- m_size = size;
-}
-CBC_CommonBitArray::~CBC_CommonBitArray() {
- m_size = 0;
-}
-int32_t CBC_CommonBitArray::GetSize() {
- return m_size;
-}
-CFX_Int32Array& CBC_CommonBitArray::GetBits() {
- return m_bits;
-}
-int32_t CBC_CommonBitArray::GetSizeInBytes() {
- return (m_size + 7) >> 3;
-}
-FX_BOOL CBC_CommonBitArray::Get(int32_t i) {
- return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0;
-}
-void CBC_CommonBitArray::Set(int32_t i) {
- m_bits[i >> 5] |= 1 << (i & 0x1F);
-}
-void CBC_CommonBitArray::Flip(int32_t i) {
- m_bits[i >> 5] ^= 1 << (i & 0x1F);
-}
-void CBC_CommonBitArray::SetBulk(int32_t i, int32_t newBits) {
- m_bits[i >> 5] = newBits;
-}
-void CBC_CommonBitArray::Clear() {
- FXSYS_memset(&m_bits[0], 0x00, m_bits.GetSize() * sizeof(int32_t));
-}
-FX_BOOL CBC_CommonBitArray::IsRange(int32_t start,
- int32_t end,
- FX_BOOL value,
- int32_t& e) {
- if (end < start) {
- e = BCExceptionEndLessThanStart;
- return FALSE;
- }
- if (end == start) {
- return TRUE;
- }
- end--;
- int32_t firstInt = start >> 5;
- int32_t lastInt = end >> 5;
- int32_t i;
- for (i = firstInt; i <= lastInt; i++) {
- int32_t firstBit = i > firstInt ? 0 : start & 0x1F;
- int32_t lastBit = i < lastInt ? 31 : end & 0x1F;
- int32_t mask;
- if (firstBit == 0 && lastBit == 31) {
- mask = -1;
- } else {
- mask = 0;
- for (int32_t j = firstBit; j <= lastBit; j++) {
- mask |= 1 << j;
- }
- }
- if ((m_bits[i] & mask) != (value ? mask : 0)) {
- return FALSE;
- }
- }
- return TRUE;
-}
-int32_t* CBC_CommonBitArray::GetBitArray() {
- return &m_bits[0];
-}
-void CBC_CommonBitArray::Reverse() {
- int32_t* newBits = FX_Alloc(int32_t, m_bits.GetSize());
- FXSYS_memset(newBits, 0x00, m_bits.GetSize() * sizeof(int32_t));
- int32_t size = m_size;
- int32_t i;
- for (i = 0; i < size; i++) {
- if (Get(size - i - 1)) {
- newBits[i >> 5] |= 1 << (i & 0x1F);
- }
- }
- FXSYS_memcpy(&m_bits[0], newBits, m_bits.GetSize() * sizeof(int32_t));
- FX_Free(newBits);
-}
+// 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_CommonBitArray.h" +CBC_CommonBitArray::CBC_CommonBitArray(CBC_CommonBitArray* array) { + m_size = array->GetSize(); + m_bits.Copy(array->GetBits()); +} +CBC_CommonBitArray::CBC_CommonBitArray() { + m_bits.SetSize(1); + m_size = 0; +} +CBC_CommonBitArray::CBC_CommonBitArray(int32_t size) { + m_bits.SetSize((size + 31) >> 5); + m_size = size; +} +CBC_CommonBitArray::~CBC_CommonBitArray() { + m_size = 0; +} +int32_t CBC_CommonBitArray::GetSize() { + return m_size; +} +CFX_Int32Array& CBC_CommonBitArray::GetBits() { + return m_bits; +} +int32_t CBC_CommonBitArray::GetSizeInBytes() { + return (m_size + 7) >> 3; +} +FX_BOOL CBC_CommonBitArray::Get(int32_t i) { + return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0; +} +void CBC_CommonBitArray::Set(int32_t i) { + m_bits[i >> 5] |= 1 << (i & 0x1F); +} +void CBC_CommonBitArray::Flip(int32_t i) { + m_bits[i >> 5] ^= 1 << (i & 0x1F); +} +void CBC_CommonBitArray::SetBulk(int32_t i, int32_t newBits) { + m_bits[i >> 5] = newBits; +} +void CBC_CommonBitArray::Clear() { + FXSYS_memset(&m_bits[0], 0x00, m_bits.GetSize() * sizeof(int32_t)); +} +FX_BOOL CBC_CommonBitArray::IsRange(int32_t start, + int32_t end, + FX_BOOL value, + int32_t& e) { + if (end < start) { + e = BCExceptionEndLessThanStart; + return FALSE; + } + if (end == start) { + return TRUE; + } + end--; + int32_t firstInt = start >> 5; + int32_t lastInt = end >> 5; + int32_t i; + for (i = firstInt; i <= lastInt; i++) { + int32_t firstBit = i > firstInt ? 0 : start & 0x1F; + int32_t lastBit = i < lastInt ? 31 : end & 0x1F; + int32_t mask; + if (firstBit == 0 && lastBit == 31) { + mask = -1; + } else { + mask = 0; + for (int32_t j = firstBit; j <= lastBit; j++) { + mask |= 1 << j; + } + } + if ((m_bits[i] & mask) != (value ? mask : 0)) { + return FALSE; + } + } + return TRUE; +} +int32_t* CBC_CommonBitArray::GetBitArray() { + return &m_bits[0]; +} +void CBC_CommonBitArray::Reverse() { + int32_t* newBits = FX_Alloc(int32_t, m_bits.GetSize()); + FXSYS_memset(newBits, 0x00, m_bits.GetSize() * sizeof(int32_t)); + int32_t size = m_size; + int32_t i; + for (i = 0; i < size; i++) { + if (Get(size - i - 1)) { + newBits[i >> 5] |= 1 << (i & 0x1F); + } + } + FXSYS_memcpy(&m_bits[0], newBits, m_bits.GetSize() * sizeof(int32_t)); + FX_Free(newBits); +} diff --git a/xfa/src/fxbarcode/common/BC_CommonBitArray.h b/xfa/src/fxbarcode/common/BC_CommonBitArray.h index f4758f7d68..fb93a9e912 100644 --- a/xfa/src/fxbarcode/common/BC_CommonBitArray.h +++ b/xfa/src/fxbarcode/common/BC_CommonBitArray.h @@ -1,31 +1,31 @@ -// 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
-
-#ifndef _BC_COMMONBITARRAY_H_
-#define _BC_COMMONBITARRAY_H_
-class CBC_CommonBitArray {
- public:
- CBC_CommonBitArray(CBC_CommonBitArray* array);
- CBC_CommonBitArray(int32_t size);
- CBC_CommonBitArray();
- virtual ~CBC_CommonBitArray();
- int32_t GetSize();
- CFX_Int32Array& GetBits();
- int32_t GetSizeInBytes();
- FX_BOOL Get(int32_t i);
- void Set(int32_t i);
- void Flip(int32_t i);
- void SetBulk(int32_t i, int32_t newBits);
- FX_BOOL IsRange(int32_t start, int32_t end, FX_BOOL value, int32_t& e);
- int32_t* GetBitArray();
- void Reverse();
- void Clear();
-
- private:
- int32_t m_size;
- CFX_Int32Array m_bits;
-};
-#endif
+// 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 + +#ifndef _BC_COMMONBITARRAY_H_ +#define _BC_COMMONBITARRAY_H_ +class CBC_CommonBitArray { + public: + CBC_CommonBitArray(CBC_CommonBitArray* array); + CBC_CommonBitArray(int32_t size); + CBC_CommonBitArray(); + virtual ~CBC_CommonBitArray(); + int32_t GetSize(); + CFX_Int32Array& GetBits(); + int32_t GetSizeInBytes(); + FX_BOOL Get(int32_t i); + void Set(int32_t i); + void Flip(int32_t i); + void SetBulk(int32_t i, int32_t newBits); + FX_BOOL IsRange(int32_t start, int32_t end, FX_BOOL value, int32_t& e); + int32_t* GetBitArray(); + void Reverse(); + void Clear(); + + private: + int32_t m_size; + CFX_Int32Array m_bits; +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_CommonBitMatrix.cpp b/xfa/src/fxbarcode/common/BC_CommonBitMatrix.cpp index c45e28c0c8..42e07c3dee 100644 --- a/xfa/src/fxbarcode/common/BC_CommonBitMatrix.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonBitMatrix.cpp @@ -1,149 +1,149 @@ -// 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_CommonBitArray.h"
-#include "BC_CommonBitMatrix.h"
-CBC_CommonBitMatrix::CBC_CommonBitMatrix() {
- m_width = 0;
- m_height = 0;
- m_rowSize = 0;
- m_bits = NULL;
-}
-void CBC_CommonBitMatrix::Init(int32_t dimension) {
- m_width = dimension;
- m_height = dimension;
- int32_t rowSize = (m_height + 31) >> 5;
- m_rowSize = rowSize;
- m_bits = FX_Alloc2D(int32_t, m_rowSize, m_height);
- FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t));
-}
-void CBC_CommonBitMatrix::Init(int32_t width, int32_t height) {
- m_width = width;
- m_height = height;
- int32_t rowSize = (width + 31) >> 5;
- m_rowSize = rowSize;
- m_bits = FX_Alloc2D(int32_t, m_rowSize, m_height);
- FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t));
-}
-CBC_CommonBitMatrix::~CBC_CommonBitMatrix() {
- if (m_bits != NULL) {
- FX_Free(m_bits);
- }
- m_bits = NULL;
- m_height = m_width = m_rowSize = 0;
-}
-FX_BOOL CBC_CommonBitMatrix::Get(int32_t x, int32_t y) {
- int32_t offset = y * m_rowSize + (x >> 5);
- if (offset >= m_rowSize * m_height || offset < 0) {
- return false;
- }
- return ((((FX_DWORD)m_bits[offset]) >> (x & 0x1f)) & 1) != 0;
-}
-int32_t* CBC_CommonBitMatrix::GetBits() {
- return m_bits;
-}
-void CBC_CommonBitMatrix::Set(int32_t x, int32_t y) {
- int32_t offset = y * m_rowSize + (x >> 5);
- if (offset >= m_rowSize * m_height || offset < 0) {
- return;
- }
- m_bits[offset] |= 1 << (x & 0x1f);
-}
-void CBC_CommonBitMatrix::Flip(int32_t x, int32_t y) {
- int32_t offset = y * m_rowSize + (x >> 5);
- m_bits[offset] ^= 1 << (x & 0x1f);
-}
-void CBC_CommonBitMatrix::Clear() {
- FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t));
-}
-void CBC_CommonBitMatrix::SetRegion(int32_t left,
- int32_t top,
- int32_t width,
- int32_t height,
- int32_t& e) {
- if (top < 0 || left < 0) {
- e = BCExceptionLeftAndTopMustBeNonnegative;
- return;
- }
- if (height < 1 || width < 1) {
- e = BCExceptionHeightAndWidthMustBeAtLeast1;
- return;
- }
- int32_t right = left + width;
- int32_t bottom = top + height;
- if (m_height < bottom || m_width < right) {
- e = BCExceptionRegionMustFitInsideMatrix;
- return;
- }
- int32_t y;
- for (y = top; y < bottom; y++) {
- int32_t offset = y * m_rowSize;
- int32_t x;
- for (x = left; x < right; x++) {
- m_bits[offset + (x >> 5)] |= 1 << (x & 0x1f);
- }
- }
-}
-CBC_CommonBitArray* CBC_CommonBitMatrix::GetRow(int32_t y,
- CBC_CommonBitArray* row) {
- CBC_CommonBitArray* rowArray = NULL;
- if (row == NULL || row->GetSize() < m_width) {
- rowArray = new CBC_CommonBitArray(m_width);
- } else {
- rowArray = new CBC_CommonBitArray(row);
- }
- int32_t offset = y * m_rowSize;
- int32_t x;
- for (x = 0; x < m_rowSize; x++) {
- rowArray->SetBulk(x << 5, m_bits[offset + x]);
- }
- return rowArray;
-}
-void CBC_CommonBitMatrix::SetRow(int32_t y, CBC_CommonBitArray* row) {
- int32_t l = y * m_rowSize;
- for (int32_t i = 0; i < m_rowSize; i++) {
- m_bits[l] = row->GetBitArray()[i];
- l++;
- }
-}
-void CBC_CommonBitMatrix::SetCol(int32_t y, CBC_CommonBitArray* col) {
- for (int32_t i = 0; i < col->GetBits().GetSize(); i++) {
- m_bits[i * m_rowSize + y] = col->GetBitArray()[i];
- }
-}
-int32_t CBC_CommonBitMatrix::GetWidth() {
- return m_width;
-}
-int32_t CBC_CommonBitMatrix::GetHeight() {
- return m_height;
-}
-int32_t CBC_CommonBitMatrix::GetRowSize() {
- return m_rowSize;
-}
-int32_t CBC_CommonBitMatrix::GetDimension(int32_t& e) {
- if (m_width != m_height) {
- e = BCExceptionCanNotCallGetDimensionOnNonSquareMatrix;
- return 0;
- }
- return m_width;
-}
+// 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_CommonBitArray.h" +#include "BC_CommonBitMatrix.h" +CBC_CommonBitMatrix::CBC_CommonBitMatrix() { + m_width = 0; + m_height = 0; + m_rowSize = 0; + m_bits = NULL; +} +void CBC_CommonBitMatrix::Init(int32_t dimension) { + m_width = dimension; + m_height = dimension; + int32_t rowSize = (m_height + 31) >> 5; + m_rowSize = rowSize; + m_bits = FX_Alloc2D(int32_t, m_rowSize, m_height); + FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t)); +} +void CBC_CommonBitMatrix::Init(int32_t width, int32_t height) { + m_width = width; + m_height = height; + int32_t rowSize = (width + 31) >> 5; + m_rowSize = rowSize; + m_bits = FX_Alloc2D(int32_t, m_rowSize, m_height); + FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t)); +} +CBC_CommonBitMatrix::~CBC_CommonBitMatrix() { + if (m_bits != NULL) { + FX_Free(m_bits); + } + m_bits = NULL; + m_height = m_width = m_rowSize = 0; +} +FX_BOOL CBC_CommonBitMatrix::Get(int32_t x, int32_t y) { + int32_t offset = y * m_rowSize + (x >> 5); + if (offset >= m_rowSize * m_height || offset < 0) { + return false; + } + return ((((FX_DWORD)m_bits[offset]) >> (x & 0x1f)) & 1) != 0; +} +int32_t* CBC_CommonBitMatrix::GetBits() { + return m_bits; +} +void CBC_CommonBitMatrix::Set(int32_t x, int32_t y) { + int32_t offset = y * m_rowSize + (x >> 5); + if (offset >= m_rowSize * m_height || offset < 0) { + return; + } + m_bits[offset] |= 1 << (x & 0x1f); +} +void CBC_CommonBitMatrix::Flip(int32_t x, int32_t y) { + int32_t offset = y * m_rowSize + (x >> 5); + m_bits[offset] ^= 1 << (x & 0x1f); +} +void CBC_CommonBitMatrix::Clear() { + FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t)); +} +void CBC_CommonBitMatrix::SetRegion(int32_t left, + int32_t top, + int32_t width, + int32_t height, + int32_t& e) { + if (top < 0 || left < 0) { + e = BCExceptionLeftAndTopMustBeNonnegative; + return; + } + if (height < 1 || width < 1) { + e = BCExceptionHeightAndWidthMustBeAtLeast1; + return; + } + int32_t right = left + width; + int32_t bottom = top + height; + if (m_height < bottom || m_width < right) { + e = BCExceptionRegionMustFitInsideMatrix; + return; + } + int32_t y; + for (y = top; y < bottom; y++) { + int32_t offset = y * m_rowSize; + int32_t x; + for (x = left; x < right; x++) { + m_bits[offset + (x >> 5)] |= 1 << (x & 0x1f); + } + } +} +CBC_CommonBitArray* CBC_CommonBitMatrix::GetRow(int32_t y, + CBC_CommonBitArray* row) { + CBC_CommonBitArray* rowArray = NULL; + if (row == NULL || row->GetSize() < m_width) { + rowArray = new CBC_CommonBitArray(m_width); + } else { + rowArray = new CBC_CommonBitArray(row); + } + int32_t offset = y * m_rowSize; + int32_t x; + for (x = 0; x < m_rowSize; x++) { + rowArray->SetBulk(x << 5, m_bits[offset + x]); + } + return rowArray; +} +void CBC_CommonBitMatrix::SetRow(int32_t y, CBC_CommonBitArray* row) { + int32_t l = y * m_rowSize; + for (int32_t i = 0; i < m_rowSize; i++) { + m_bits[l] = row->GetBitArray()[i]; + l++; + } +} +void CBC_CommonBitMatrix::SetCol(int32_t y, CBC_CommonBitArray* col) { + for (int32_t i = 0; i < col->GetBits().GetSize(); i++) { + m_bits[i * m_rowSize + y] = col->GetBitArray()[i]; + } +} +int32_t CBC_CommonBitMatrix::GetWidth() { + return m_width; +} +int32_t CBC_CommonBitMatrix::GetHeight() { + return m_height; +} +int32_t CBC_CommonBitMatrix::GetRowSize() { + return m_rowSize; +} +int32_t CBC_CommonBitMatrix::GetDimension(int32_t& e) { + if (m_width != m_height) { + e = BCExceptionCanNotCallGetDimensionOnNonSquareMatrix; + return 0; + } + return m_width; +} diff --git a/xfa/src/fxbarcode/common/BC_CommonBitMatrix.h b/xfa/src/fxbarcode/common/BC_CommonBitMatrix.h index 42cbedf00c..d60e437ea1 100644 --- a/xfa/src/fxbarcode/common/BC_CommonBitMatrix.h +++ b/xfa/src/fxbarcode/common/BC_CommonBitMatrix.h @@ -1,41 +1,41 @@ -// 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
-
-#ifndef _BC_COMMONBITMATRIX_H_
-#define _BC_COMMONBITMATRIX_H_
-class CBC_CommonBitArray;
-class CBC_CommonBitMatrix {
- public:
- CBC_CommonBitMatrix();
- virtual ~CBC_CommonBitMatrix();
- FX_BOOL Get(int32_t x, int32_t y);
- void Set(int32_t x, int32_t y);
- void Flip(int32_t x, int32_t y);
- void Clear();
- void SetRegion(int32_t left,
- int32_t top,
- int32_t width,
- int32_t height,
- int32_t& e);
- CBC_CommonBitArray* GetRow(int32_t y, CBC_CommonBitArray* row);
- void SetRow(int32_t y, CBC_CommonBitArray* row);
- CBC_CommonBitArray* GetCol(int32_t y, CBC_CommonBitArray* row);
- void SetCol(int32_t y, CBC_CommonBitArray* col);
- int32_t GetWidth();
- int32_t GetHeight();
- int32_t GetRowSize();
- int32_t GetDimension(int32_t& e);
- virtual void Init(int32_t dimension);
- virtual void Init(int32_t width, int32_t height);
- int32_t* GetBits();
-
- private:
- int32_t m_width;
- int32_t m_height;
- int32_t m_rowSize;
- int32_t* m_bits;
-};
-#endif
+// 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 + +#ifndef _BC_COMMONBITMATRIX_H_ +#define _BC_COMMONBITMATRIX_H_ +class CBC_CommonBitArray; +class CBC_CommonBitMatrix { + public: + CBC_CommonBitMatrix(); + virtual ~CBC_CommonBitMatrix(); + FX_BOOL Get(int32_t x, int32_t y); + void Set(int32_t x, int32_t y); + void Flip(int32_t x, int32_t y); + void Clear(); + void SetRegion(int32_t left, + int32_t top, + int32_t width, + int32_t height, + int32_t& e); + CBC_CommonBitArray* GetRow(int32_t y, CBC_CommonBitArray* row); + void SetRow(int32_t y, CBC_CommonBitArray* row); + CBC_CommonBitArray* GetCol(int32_t y, CBC_CommonBitArray* row); + void SetCol(int32_t y, CBC_CommonBitArray* col); + int32_t GetWidth(); + int32_t GetHeight(); + int32_t GetRowSize(); + int32_t GetDimension(int32_t& e); + virtual void Init(int32_t dimension); + virtual void Init(int32_t width, int32_t height); + int32_t* GetBits(); + + private: + int32_t m_width; + int32_t m_height; + int32_t m_rowSize; + int32_t* m_bits; +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp b/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp index c308638fad..7bf4bf61fd 100644 --- a/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp @@ -1,71 +1,71 @@ -// 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_CommonBitSource.h"
-CBC_CommonBitSource::CBC_CommonBitSource(CFX_ByteArray* bytes) {
- m_bytes.Copy((*bytes));
- m_bitOffset = 0;
- m_byteOffset = 0;
-}
-CBC_CommonBitSource::~CBC_CommonBitSource() {}
-int32_t CBC_CommonBitSource::ReadBits(int32_t numBits, int32_t& e) {
- if (numBits < 1 || numBits > 32) {
- e = BCExceptionIllegalArgument;
- return 0;
- }
- int32_t result = 0;
- if (m_bitOffset > 0) {
- int32_t bitsLeft = 8 - m_bitOffset;
- int32_t toRead = numBits < bitsLeft ? numBits : bitsLeft;
- int32_t bitsToNotRead = bitsLeft - toRead;
- int32_t mask = (0xff >> (8 - toRead)) << bitsToNotRead;
- result = (m_bytes[m_byteOffset] & mask) >> bitsToNotRead;
- numBits -= toRead;
- m_bitOffset += toRead;
- if (m_bitOffset == 8) {
- m_bitOffset = 0;
- m_byteOffset++;
- }
- }
- if (numBits > 0) {
- while (numBits >= 8) {
- result = (result << 8) | (m_bytes[m_byteOffset] & 0xff);
- m_byteOffset++;
- numBits -= 8;
- }
- if (numBits > 0) {
- int32_t bitsToNotRead = 8 - numBits;
- int32_t mask = (0xff >> bitsToNotRead) << bitsToNotRead;
- result = (result << numBits) |
- ((m_bytes[m_byteOffset] & mask) >> bitsToNotRead);
- m_bitOffset += numBits;
- }
- }
- return result;
-}
-int32_t CBC_CommonBitSource::Available() {
- return 8 * (m_bytes.GetSize() - m_byteOffset) - m_bitOffset;
-}
-int32_t CBC_CommonBitSource::getByteOffset() {
- return m_byteOffset;
-}
+// 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_CommonBitSource.h" +CBC_CommonBitSource::CBC_CommonBitSource(CFX_ByteArray* bytes) { + m_bytes.Copy((*bytes)); + m_bitOffset = 0; + m_byteOffset = 0; +} +CBC_CommonBitSource::~CBC_CommonBitSource() {} +int32_t CBC_CommonBitSource::ReadBits(int32_t numBits, int32_t& e) { + if (numBits < 1 || numBits > 32) { + e = BCExceptionIllegalArgument; + return 0; + } + int32_t result = 0; + if (m_bitOffset > 0) { + int32_t bitsLeft = 8 - m_bitOffset; + int32_t toRead = numBits < bitsLeft ? numBits : bitsLeft; + int32_t bitsToNotRead = bitsLeft - toRead; + int32_t mask = (0xff >> (8 - toRead)) << bitsToNotRead; + result = (m_bytes[m_byteOffset] & mask) >> bitsToNotRead; + numBits -= toRead; + m_bitOffset += toRead; + if (m_bitOffset == 8) { + m_bitOffset = 0; + m_byteOffset++; + } + } + if (numBits > 0) { + while (numBits >= 8) { + result = (result << 8) | (m_bytes[m_byteOffset] & 0xff); + m_byteOffset++; + numBits -= 8; + } + if (numBits > 0) { + int32_t bitsToNotRead = 8 - numBits; + int32_t mask = (0xff >> bitsToNotRead) << bitsToNotRead; + result = (result << numBits) | + ((m_bytes[m_byteOffset] & mask) >> bitsToNotRead); + m_bitOffset += numBits; + } + } + return result; +} +int32_t CBC_CommonBitSource::Available() { + return 8 * (m_bytes.GetSize() - m_byteOffset) - m_bitOffset; +} +int32_t CBC_CommonBitSource::getByteOffset() { + return m_byteOffset; +} diff --git a/xfa/src/fxbarcode/common/BC_CommonBitSource.h b/xfa/src/fxbarcode/common/BC_CommonBitSource.h index ccb66bf49b..098a6060d3 100644 --- a/xfa/src/fxbarcode/common/BC_CommonBitSource.h +++ b/xfa/src/fxbarcode/common/BC_CommonBitSource.h @@ -1,22 +1,22 @@ -// 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
-
-#ifndef _BC_COMMONBITSOURCE_H_
-#define _BC_COMMONBITSOURCE_H_
-class CBC_CommonBitSource {
- public:
- CBC_CommonBitSource(CFX_ByteArray* bytes);
- virtual ~CBC_CommonBitSource();
- int32_t ReadBits(int32_t numBits, int32_t& e);
- int32_t Available();
- int32_t getByteOffset();
-
- private:
- CFX_ByteArray m_bytes;
- int32_t m_byteOffset;
- int32_t m_bitOffset;
-};
-#endif
+// 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 + +#ifndef _BC_COMMONBITSOURCE_H_ +#define _BC_COMMONBITSOURCE_H_ +class CBC_CommonBitSource { + public: + CBC_CommonBitSource(CFX_ByteArray* bytes); + virtual ~CBC_CommonBitSource(); + int32_t ReadBits(int32_t numBits, int32_t& e); + int32_t Available(); + int32_t getByteOffset(); + + private: + CFX_ByteArray m_bytes; + int32_t m_byteOffset; + int32_t m_bitOffset; +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_CommonByteArray.cpp b/xfa/src/fxbarcode/common/BC_CommonByteArray.cpp index c36ff34a6d..b3e2a636e5 100644 --- a/xfa/src/fxbarcode/common/BC_CommonByteArray.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonByteArray.cpp @@ -1,106 +1,106 @@ -// 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 2008 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 <algorithm>
-
-#include "xfa/src/fxbarcode/barcode.h"
-#include "BC_CommonByteArray.h"
-CBC_CommonByteArray::CBC_CommonByteArray() {
- m_bytes = NULL;
- m_size = 0;
- m_index = 0;
-}
-CBC_CommonByteArray::CBC_CommonByteArray(int32_t size) {
- m_size = size;
- m_bytes = FX_Alloc(uint8_t, size);
- FXSYS_memset(m_bytes, 0, size);
- m_index = 0;
-}
-CBC_CommonByteArray::CBC_CommonByteArray(uint8_t* byteArray, int32_t size) {
- m_size = size;
- m_bytes = FX_Alloc(uint8_t, size);
- FXSYS_memcpy(m_bytes, byteArray, size);
- m_index = size;
-}
-CBC_CommonByteArray::~CBC_CommonByteArray() {
- if (m_bytes != NULL) {
- FX_Free(m_bytes);
- m_bytes = NULL;
- }
- m_index = 0;
- m_size = 0;
-}
-int32_t CBC_CommonByteArray::At(int32_t index) {
- return m_bytes[index] & 0xff;
-}
-void CBC_CommonByteArray::Set(int32_t index, int32_t value) {
- m_bytes[index] = (uint8_t)value;
-}
-int32_t CBC_CommonByteArray::Size() {
- return m_size;
-}
-FX_BOOL CBC_CommonByteArray::IsEmpty() {
- return m_size == 0;
-}
-void CBC_CommonByteArray::AppendByte(int32_t value) {
- if (m_size == 0 || m_index >= m_size) {
- int32_t newSize = std::max(32, m_size << 1);
- Reserve(newSize);
- }
- m_bytes[m_index] = (uint8_t)value;
- m_index++;
-}
-void CBC_CommonByteArray::Reserve(int32_t capacity) {
- if (m_bytes == NULL || m_size < capacity) {
- uint8_t* newArray = FX_Alloc(uint8_t, capacity);
- FXSYS_memset(newArray, 0, capacity);
- if (m_bytes != NULL) {
- FXSYS_memcpy(newArray, m_bytes, m_size);
- FX_Free(m_bytes);
- }
- m_bytes = newArray;
- m_size = capacity;
- }
-}
-void CBC_CommonByteArray::Set(uint8_t* source, int32_t offset, int32_t count) {
- if (m_bytes != NULL) {
- FX_Free(m_bytes);
- }
- m_bytes = FX_Alloc(uint8_t, count);
- m_size = count;
- FXSYS_memcpy(m_bytes, source + offset, count);
- m_index = count;
-}
-void CBC_CommonByteArray::Set(CFX_ByteArray* source,
- int32_t offset,
- int32_t count) {
- if (m_bytes != NULL) {
- FX_Free(m_bytes);
- }
- m_bytes = FX_Alloc(uint8_t, count);
- m_size = count;
- int32_t i;
- for (i = 0; i < count; i++) {
- m_bytes[i] = source->operator[](i + offset);
- }
- m_index = m_size;
-}
+// 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 2008 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 <algorithm> + +#include "xfa/src/fxbarcode/barcode.h" +#include "BC_CommonByteArray.h" +CBC_CommonByteArray::CBC_CommonByteArray() { + m_bytes = NULL; + m_size = 0; + m_index = 0; +} +CBC_CommonByteArray::CBC_CommonByteArray(int32_t size) { + m_size = size; + m_bytes = FX_Alloc(uint8_t, size); + FXSYS_memset(m_bytes, 0, size); + m_index = 0; +} +CBC_CommonByteArray::CBC_CommonByteArray(uint8_t* byteArray, int32_t size) { + m_size = size; + m_bytes = FX_Alloc(uint8_t, size); + FXSYS_memcpy(m_bytes, byteArray, size); + m_index = size; +} +CBC_CommonByteArray::~CBC_CommonByteArray() { + if (m_bytes != NULL) { + FX_Free(m_bytes); + m_bytes = NULL; + } + m_index = 0; + m_size = 0; +} +int32_t CBC_CommonByteArray::At(int32_t index) { + return m_bytes[index] & 0xff; +} +void CBC_CommonByteArray::Set(int32_t index, int32_t value) { + m_bytes[index] = (uint8_t)value; +} +int32_t CBC_CommonByteArray::Size() { + return m_size; +} +FX_BOOL CBC_CommonByteArray::IsEmpty() { + return m_size == 0; +} +void CBC_CommonByteArray::AppendByte(int32_t value) { + if (m_size == 0 || m_index >= m_size) { + int32_t newSize = std::max(32, m_size << 1); + Reserve(newSize); + } + m_bytes[m_index] = (uint8_t)value; + m_index++; +} +void CBC_CommonByteArray::Reserve(int32_t capacity) { + if (m_bytes == NULL || m_size < capacity) { + uint8_t* newArray = FX_Alloc(uint8_t, capacity); + FXSYS_memset(newArray, 0, capacity); + if (m_bytes != NULL) { + FXSYS_memcpy(newArray, m_bytes, m_size); + FX_Free(m_bytes); + } + m_bytes = newArray; + m_size = capacity; + } +} +void CBC_CommonByteArray::Set(uint8_t* source, int32_t offset, int32_t count) { + if (m_bytes != NULL) { + FX_Free(m_bytes); + } + m_bytes = FX_Alloc(uint8_t, count); + m_size = count; + FXSYS_memcpy(m_bytes, source + offset, count); + m_index = count; +} +void CBC_CommonByteArray::Set(CFX_ByteArray* source, + int32_t offset, + int32_t count) { + if (m_bytes != NULL) { + FX_Free(m_bytes); + } + m_bytes = FX_Alloc(uint8_t, count); + m_size = count; + int32_t i; + for (i = 0; i < count; i++) { + m_bytes[i] = source->operator[](i + offset); + } + m_index = m_size; +} diff --git a/xfa/src/fxbarcode/common/BC_CommonByteArray.h b/xfa/src/fxbarcode/common/BC_CommonByteArray.h index 12e214c0c2..6e89aa4518 100644 --- a/xfa/src/fxbarcode/common/BC_CommonByteArray.h +++ b/xfa/src/fxbarcode/common/BC_CommonByteArray.h @@ -1,29 +1,29 @@ -// 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
-
-#ifndef _BC_COMMONBYTEARRAY_H_
-#define _BC_COMMONBYTEARRAY_H_
-class CBC_CommonByteArray {
- private:
- int32_t m_size;
- int32_t m_index;
- uint8_t* m_bytes;
-
- public:
- CBC_CommonByteArray();
- CBC_CommonByteArray(int32_t size);
- CBC_CommonByteArray(uint8_t* byteArray, int32_t size);
- virtual ~CBC_CommonByteArray();
- int32_t At(int32_t index);
- void Set(int32_t index, int32_t value);
- int32_t Size();
- FX_BOOL IsEmpty();
- void AppendByte(int32_t value);
- void Reserve(int32_t capacity);
- void Set(uint8_t* source, int32_t offset, int32_t count);
- void Set(CFX_ByteArray* source, int32_t offset, int32_t count);
-};
-#endif
+// 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 + +#ifndef _BC_COMMONBYTEARRAY_H_ +#define _BC_COMMONBYTEARRAY_H_ +class CBC_CommonByteArray { + private: + int32_t m_size; + int32_t m_index; + uint8_t* m_bytes; + + public: + CBC_CommonByteArray(); + CBC_CommonByteArray(int32_t size); + CBC_CommonByteArray(uint8_t* byteArray, int32_t size); + virtual ~CBC_CommonByteArray(); + int32_t At(int32_t index); + void Set(int32_t index, int32_t value); + int32_t Size(); + FX_BOOL IsEmpty(); + void AppendByte(int32_t value); + void Reserve(int32_t capacity); + void Set(uint8_t* source, int32_t offset, int32_t count); + void Set(CFX_ByteArray* source, int32_t offset, int32_t count); +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_CommonByteMatrix.cpp b/xfa/src/fxbarcode/common/BC_CommonByteMatrix.cpp index 875b8026c9..e075a5fab8 100644 --- a/xfa/src/fxbarcode/common/BC_CommonByteMatrix.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonByteMatrix.cpp @@ -1,66 +1,66 @@ -// 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 2008 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_CommonByteMatrix.h"
-CBC_CommonByteMatrix::CBC_CommonByteMatrix(int32_t width, int32_t height) {
- m_height = height;
- m_width = width;
- m_bytes = NULL;
-}
-void CBC_CommonByteMatrix::Init() {
- m_bytes = FX_Alloc2D(uint8_t, m_height, m_width);
- FXSYS_memset(m_bytes, 0xff, m_height * m_width);
-}
-CBC_CommonByteMatrix::~CBC_CommonByteMatrix() {
- if (m_bytes != NULL) {
- FX_Free(m_bytes);
- m_bytes = NULL;
- }
-}
-int32_t CBC_CommonByteMatrix::GetHeight() {
- return m_height;
-}
-int32_t CBC_CommonByteMatrix::GetWidth() {
- return m_width;
-}
-uint8_t CBC_CommonByteMatrix::Get(int32_t x, int32_t y) {
- return m_bytes[y * m_width + x];
-}
-void CBC_CommonByteMatrix::Set(int32_t x, int32_t y, int32_t value) {
- m_bytes[y * m_width + x] = (uint8_t)value;
-}
-void CBC_CommonByteMatrix::Set(int32_t x, int32_t y, uint8_t value) {
- m_bytes[y * m_width + x] = value;
-}
-void CBC_CommonByteMatrix::clear(uint8_t value) {
- int32_t y;
- for (y = 0; y < m_height; y++) {
- int32_t x;
- for (x = 0; x < m_width; x++) {
- m_bytes[y * m_width + x] = value;
- }
- }
-}
-uint8_t* CBC_CommonByteMatrix::GetArray() {
- return m_bytes;
-}
+// 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 2008 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_CommonByteMatrix.h" +CBC_CommonByteMatrix::CBC_CommonByteMatrix(int32_t width, int32_t height) { + m_height = height; + m_width = width; + m_bytes = NULL; +} +void CBC_CommonByteMatrix::Init() { + m_bytes = FX_Alloc2D(uint8_t, m_height, m_width); + FXSYS_memset(m_bytes, 0xff, m_height * m_width); +} +CBC_CommonByteMatrix::~CBC_CommonByteMatrix() { + if (m_bytes != NULL) { + FX_Free(m_bytes); + m_bytes = NULL; + } +} +int32_t CBC_CommonByteMatrix::GetHeight() { + return m_height; +} +int32_t CBC_CommonByteMatrix::GetWidth() { + return m_width; +} +uint8_t CBC_CommonByteMatrix::Get(int32_t x, int32_t y) { + return m_bytes[y * m_width + x]; +} +void CBC_CommonByteMatrix::Set(int32_t x, int32_t y, int32_t value) { + m_bytes[y * m_width + x] = (uint8_t)value; +} +void CBC_CommonByteMatrix::Set(int32_t x, int32_t y, uint8_t value) { + m_bytes[y * m_width + x] = value; +} +void CBC_CommonByteMatrix::clear(uint8_t value) { + int32_t y; + for (y = 0; y < m_height; y++) { + int32_t x; + for (x = 0; x < m_width; x++) { + m_bytes[y * m_width + x] = value; + } + } +} +uint8_t* CBC_CommonByteMatrix::GetArray() { + return m_bytes; +} diff --git a/xfa/src/fxbarcode/common/BC_CommonByteMatrix.h b/xfa/src/fxbarcode/common/BC_CommonByteMatrix.h index b94daf81a8..db01704a23 100644 --- a/xfa/src/fxbarcode/common/BC_CommonByteMatrix.h +++ b/xfa/src/fxbarcode/common/BC_CommonByteMatrix.h @@ -1,28 +1,28 @@ -// 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
-
-#ifndef _BC_COMMONBYTEMATRIX_H_
-#define _BC_COMMONBYTEMATRIX_H_
-class CBC_CommonByteMatrix {
- public:
- CBC_CommonByteMatrix(int32_t width, int32_t height);
- virtual ~CBC_CommonByteMatrix();
- int32_t GetHeight();
- int32_t GetWidth();
- uint8_t Get(int32_t x, int32_t y);
- uint8_t* GetArray();
-
- void Set(int32_t x, int32_t y, int32_t value);
- void Set(int32_t x, int32_t y, uint8_t value);
- void clear(uint8_t value);
- virtual void Init();
-
- private:
- uint8_t* m_bytes;
- int32_t m_width;
- int32_t m_height;
-};
-#endif
+// 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 + +#ifndef _BC_COMMONBYTEMATRIX_H_ +#define _BC_COMMONBYTEMATRIX_H_ +class CBC_CommonByteMatrix { + public: + CBC_CommonByteMatrix(int32_t width, int32_t height); + virtual ~CBC_CommonByteMatrix(); + int32_t GetHeight(); + int32_t GetWidth(); + uint8_t Get(int32_t x, int32_t y); + uint8_t* GetArray(); + + void Set(int32_t x, int32_t y, int32_t value); + void Set(int32_t x, int32_t y, uint8_t value); + void clear(uint8_t value); + virtual void Init(); + + private: + uint8_t* m_bytes; + int32_t m_width; + int32_t m_height; +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.cpp b/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.cpp index 2beb850963..6bd7d70c49 100644 --- a/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.cpp @@ -1,44 +1,44 @@ -// 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 2008 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_CommonECI.h"
-#include "BC_CommonCharacterSetECI.h"
-void CBC_CommonCharacterSetECI::initialize() {}
-CBC_CommonCharacterSetECI::CBC_CommonCharacterSetECI(
- int32_t value,
- CFX_ByteString encodingName)
- : CBC_CommonECI(value), m_encodingName(encodingName) {}
-CBC_CommonCharacterSetECI::~CBC_CommonCharacterSetECI() {}
-CFX_ByteString CBC_CommonCharacterSetECI::GetEncodingName() {
- return m_encodingName;
-}
-void CBC_CommonCharacterSetECI::AddCharacterSet(int32_t value,
- CFX_ByteString encodingName) {}
-CBC_CommonCharacterSetECI* CBC_CommonCharacterSetECI::GetCharacterSetECIByValue(
- int32_t value) {
- return NULL;
-}
-CBC_CommonCharacterSetECI* CBC_CommonCharacterSetECI::GetCharacterSetECIByName(
- const CFX_ByteString& name) {
- return NULL;
-}
+// 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 2008 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_CommonECI.h" +#include "BC_CommonCharacterSetECI.h" +void CBC_CommonCharacterSetECI::initialize() {} +CBC_CommonCharacterSetECI::CBC_CommonCharacterSetECI( + int32_t value, + CFX_ByteString encodingName) + : CBC_CommonECI(value), m_encodingName(encodingName) {} +CBC_CommonCharacterSetECI::~CBC_CommonCharacterSetECI() {} +CFX_ByteString CBC_CommonCharacterSetECI::GetEncodingName() { + return m_encodingName; +} +void CBC_CommonCharacterSetECI::AddCharacterSet(int32_t value, + CFX_ByteString encodingName) {} +CBC_CommonCharacterSetECI* CBC_CommonCharacterSetECI::GetCharacterSetECIByValue( + int32_t value) { + return NULL; +} +CBC_CommonCharacterSetECI* CBC_CommonCharacterSetECI::GetCharacterSetECIByName( + const CFX_ByteString& name) { + return NULL; +} diff --git a/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.h b/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.h index 5cdc4d6a51..6626f7be7e 100644 --- a/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.h +++ b/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.h @@ -1,26 +1,26 @@ -// 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
-
-#ifndef _BC_COMMONCHARACTERSETECI_H_
-#define _BC_COMMONCHARACTERSETECI_H_
-class CBC_CommonECI;
-class CBC_CommonCharacterSetECI;
-class CBC_CommonCharacterSetECI : public CBC_CommonECI {
- public:
- CBC_CommonCharacterSetECI(int32_t value, CFX_ByteString encodingName);
- virtual ~CBC_CommonCharacterSetECI();
- CFX_ByteString GetEncodingName();
- static void AddCharacterSet(int32_t value, CFX_ByteString encodingName);
- int32_t GetValue();
- static CBC_CommonCharacterSetECI* GetCharacterSetECIByValue(int32_t value);
- static CBC_CommonCharacterSetECI* GetCharacterSetECIByName(
- const CFX_ByteString& name);
-
- private:
- CFX_ByteString m_encodingName;
- static void initialize();
-};
-#endif
+// 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 + +#ifndef _BC_COMMONCHARACTERSETECI_H_ +#define _BC_COMMONCHARACTERSETECI_H_ +class CBC_CommonECI; +class CBC_CommonCharacterSetECI; +class CBC_CommonCharacterSetECI : public CBC_CommonECI { + public: + CBC_CommonCharacterSetECI(int32_t value, CFX_ByteString encodingName); + virtual ~CBC_CommonCharacterSetECI(); + CFX_ByteString GetEncodingName(); + static void AddCharacterSet(int32_t value, CFX_ByteString encodingName); + int32_t GetValue(); + static CBC_CommonCharacterSetECI* GetCharacterSetECIByValue(int32_t value); + static CBC_CommonCharacterSetECI* GetCharacterSetECIByName( + const CFX_ByteString& name); + + private: + CFX_ByteString m_encodingName; + static void initialize(); +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_CommonDecoderResult.cpp b/xfa/src/fxbarcode/common/BC_CommonDecoderResult.cpp index 1bf9f57981..76219794df 100644 --- a/xfa/src/fxbarcode/common/BC_CommonDecoderResult.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonDecoderResult.cpp @@ -1,77 +1,77 @@ -// 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 "xfa/src/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h"
-#include "xfa/src/fxbarcode/pdf417/BC_PDF417ResultMetadata.h"
-#include "BC_CommonDecoderResult.h"
-CBC_CommonDecoderResult::CBC_CommonDecoderResult() {}
-void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes,
- const CFX_ByteString& text,
- const CFX_Int32Array& byteSegments,
- CBC_QRCoderErrorCorrectionLevel* ecLevel,
- int32_t& e) {
- if (text.IsEmpty()) {
- e = BCExceptionIllegalArgument;
- return;
- }
- m_rawBytes.Copy(rawBytes);
- m_text = text;
- m_byteSegments.Copy(byteSegments);
- m_ecLevel = ecLevel;
- m_other = NULL;
-}
-void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes,
- const CFX_ByteString& text,
- const CFX_PtrArray& byteSegments,
- const CFX_ByteString& ecLevel,
- int32_t& e) {
- if (text.IsEmpty()) {
- e = BCExceptionIllegalArgument;
- return;
- }
- m_rawBytes.Copy(rawBytes);
- m_text = text;
- m_pdf417byteSegments.Copy(byteSegments);
- m_pdf417ecLevel = ecLevel;
- m_other = NULL;
-}
-void CBC_CommonDecoderResult::setOther(CBC_PDF417ResultMetadata* other) {
- m_other = other;
-}
-CBC_CommonDecoderResult::~CBC_CommonDecoderResult() {
- if (m_other != NULL) {
- delete m_other;
- }
-}
-const CFX_ByteArray& CBC_CommonDecoderResult::GetRawBytes() {
- return m_rawBytes;
-}
-const CFX_Int32Array& CBC_CommonDecoderResult::GetByteSegments() {
- return m_byteSegments;
-}
-const CFX_ByteString& CBC_CommonDecoderResult::GetText() {
- return m_text;
-}
-CBC_QRCoderErrorCorrectionLevel* CBC_CommonDecoderResult::GetECLevel() {
- return m_ecLevel;
-}
+// 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 "xfa/src/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h" +#include "xfa/src/fxbarcode/pdf417/BC_PDF417ResultMetadata.h" +#include "BC_CommonDecoderResult.h" +CBC_CommonDecoderResult::CBC_CommonDecoderResult() {} +void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes, + const CFX_ByteString& text, + const CFX_Int32Array& byteSegments, + CBC_QRCoderErrorCorrectionLevel* ecLevel, + int32_t& e) { + if (text.IsEmpty()) { + e = BCExceptionIllegalArgument; + return; + } + m_rawBytes.Copy(rawBytes); + m_text = text; + m_byteSegments.Copy(byteSegments); + m_ecLevel = ecLevel; + m_other = NULL; +} +void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes, + const CFX_ByteString& text, + const CFX_PtrArray& byteSegments, + const CFX_ByteString& ecLevel, + int32_t& e) { + if (text.IsEmpty()) { + e = BCExceptionIllegalArgument; + return; + } + m_rawBytes.Copy(rawBytes); + m_text = text; + m_pdf417byteSegments.Copy(byteSegments); + m_pdf417ecLevel = ecLevel; + m_other = NULL; +} +void CBC_CommonDecoderResult::setOther(CBC_PDF417ResultMetadata* other) { + m_other = other; +} +CBC_CommonDecoderResult::~CBC_CommonDecoderResult() { + if (m_other != NULL) { + delete m_other; + } +} +const CFX_ByteArray& CBC_CommonDecoderResult::GetRawBytes() { + return m_rawBytes; +} +const CFX_Int32Array& CBC_CommonDecoderResult::GetByteSegments() { + return m_byteSegments; +} +const CFX_ByteString& CBC_CommonDecoderResult::GetText() { + return m_text; +} +CBC_QRCoderErrorCorrectionLevel* CBC_CommonDecoderResult::GetECLevel() { + return m_ecLevel; +} diff --git a/xfa/src/fxbarcode/common/BC_CommonDecoderResult.h b/xfa/src/fxbarcode/common/BC_CommonDecoderResult.h index 40c3a09078..93bab384ab 100644 --- a/xfa/src/fxbarcode/common/BC_CommonDecoderResult.h +++ b/xfa/src/fxbarcode/common/BC_CommonDecoderResult.h @@ -1,40 +1,40 @@ -// 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
-
-#ifndef _BC_COMMONDECODERRESULT_H_
-#define _BC_COMMONDECODERRESULT_H_
-class CBC_QRCoderErrorCorrectionLevel;
-class CBC_PDF417ResultMetadata;
-class CBC_CommonDecoderResult {
- public:
- CBC_CommonDecoderResult();
- virtual ~CBC_CommonDecoderResult();
- const CFX_ByteArray& GetRawBytes();
- const CFX_ByteString& GetText();
- const CFX_Int32Array& GetByteSegments();
- CBC_QRCoderErrorCorrectionLevel* GetECLevel();
- virtual void Init(const CFX_ByteArray& rawBytes,
- const CFX_ByteString& text,
- const CFX_Int32Array& byteSegments,
- CBC_QRCoderErrorCorrectionLevel* ecLevel,
- int32_t& e);
- virtual void Init(const CFX_ByteArray& rawBytes,
- const CFX_ByteString& text,
- const CFX_PtrArray& byteSegments,
- const CFX_ByteString& ecLevel,
- int32_t& e);
- void setOther(CBC_PDF417ResultMetadata* other);
-
- private:
- CFX_ByteArray m_rawBytes;
- CFX_ByteString m_text;
- CFX_Int32Array m_byteSegments;
- CFX_PtrArray m_pdf417byteSegments;
- CBC_QRCoderErrorCorrectionLevel* m_ecLevel;
- CFX_ByteString m_pdf417ecLevel;
- CBC_PDF417ResultMetadata* m_other;
-};
-#endif
+// 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 + +#ifndef _BC_COMMONDECODERRESULT_H_ +#define _BC_COMMONDECODERRESULT_H_ +class CBC_QRCoderErrorCorrectionLevel; +class CBC_PDF417ResultMetadata; +class CBC_CommonDecoderResult { + public: + CBC_CommonDecoderResult(); + virtual ~CBC_CommonDecoderResult(); + const CFX_ByteArray& GetRawBytes(); + const CFX_ByteString& GetText(); + const CFX_Int32Array& GetByteSegments(); + CBC_QRCoderErrorCorrectionLevel* GetECLevel(); + virtual void Init(const CFX_ByteArray& rawBytes, + const CFX_ByteString& text, + const CFX_Int32Array& byteSegments, + CBC_QRCoderErrorCorrectionLevel* ecLevel, + int32_t& e); + virtual void Init(const CFX_ByteArray& rawBytes, + const CFX_ByteString& text, + const CFX_PtrArray& byteSegments, + const CFX_ByteString& ecLevel, + int32_t& e); + void setOther(CBC_PDF417ResultMetadata* other); + + private: + CFX_ByteArray m_rawBytes; + CFX_ByteString m_text; + CFX_Int32Array m_byteSegments; + CFX_PtrArray m_pdf417byteSegments; + CBC_QRCoderErrorCorrectionLevel* m_ecLevel; + CFX_ByteString m_pdf417ecLevel; + CBC_PDF417ResultMetadata* m_other; +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_CommonECI.cpp b/xfa/src/fxbarcode/common/BC_CommonECI.cpp index d9f918b025..c83980bb20 100644 --- a/xfa/src/fxbarcode/common/BC_CommonECI.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonECI.cpp @@ -1,41 +1,41 @@ -// 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 2008 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_CommonECI.h"
-#include "BC_CommonCharacterSetECI.h"
-CBC_CommonECI::CBC_CommonECI(int32_t value) {
- m_value = value;
-}
-CBC_CommonECI::~CBC_CommonECI() {}
-int32_t CBC_CommonECI::GetValue() {
- return m_value;
-}
-CBC_CommonECI* CBC_CommonECI::GetEICByValue(int32_t value, int32_t& e) {
- if (value < 0 || value > 999999) {
- e = BCExceptionBadECI;
- return NULL;
- }
- if (value < 900) {
- }
- return NULL;
-}
+// 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 2008 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_CommonECI.h" +#include "BC_CommonCharacterSetECI.h" +CBC_CommonECI::CBC_CommonECI(int32_t value) { + m_value = value; +} +CBC_CommonECI::~CBC_CommonECI() {} +int32_t CBC_CommonECI::GetValue() { + return m_value; +} +CBC_CommonECI* CBC_CommonECI::GetEICByValue(int32_t value, int32_t& e) { + if (value < 0 || value > 999999) { + e = BCExceptionBadECI; + return NULL; + } + if (value < 900) { + } + return NULL; +} diff --git a/xfa/src/fxbarcode/common/BC_CommonECI.h b/xfa/src/fxbarcode/common/BC_CommonECI.h index 1f90383497..07b7e41870 100644 --- a/xfa/src/fxbarcode/common/BC_CommonECI.h +++ b/xfa/src/fxbarcode/common/BC_CommonECI.h @@ -1,20 +1,20 @@ -// 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
-
-#ifndef _BC_COMMONECI_H_
-#define _BC_COMMONECI_H_
-class CBC_CommonECI {
- public:
- CBC_CommonECI(int32_t value);
- virtual ~CBC_CommonECI();
-
- int32_t GetValue();
- static CBC_CommonECI* GetEICByValue(int32_t value, int32_t& e);
-
- private:
- int32_t m_value;
-};
-#endif
+// 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 + +#ifndef _BC_COMMONECI_H_ +#define _BC_COMMONECI_H_ +class CBC_CommonECI { + public: + CBC_CommonECI(int32_t value); + virtual ~CBC_CommonECI(); + + int32_t GetValue(); + static CBC_CommonECI* GetEICByValue(int32_t value, int32_t& e); + + private: + int32_t m_value; +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp index 3fd2e4a893..e67041a50c 100644 --- a/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp +++ b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp @@ -1,148 +1,148 @@ -// 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_CommonPerspectiveTransform.h"
-CBC_CommonPerspectiveTransform::CBC_CommonPerspectiveTransform(FX_FLOAT a11,
- FX_FLOAT a21,
- FX_FLOAT a31,
- FX_FLOAT a12,
- FX_FLOAT a22,
- FX_FLOAT a32,
- FX_FLOAT a13,
- FX_FLOAT a23,
- FX_FLOAT a33)
- : m_a11(a11),
- m_a12(a12),
- m_a13(a13),
- m_a21(a21),
- m_a22(a22),
- m_a23(a23),
- m_a31(a31),
- m_a32(a32),
- m_a33(a33) {
-}
-CBC_CommonPerspectiveTransform::~CBC_CommonPerspectiveTransform() {}
-CBC_CommonPerspectiveTransform*
-CBC_CommonPerspectiveTransform::QuadrilateralToQuadrilateral(FX_FLOAT x0,
- FX_FLOAT y0,
- FX_FLOAT x1,
- FX_FLOAT y1,
- FX_FLOAT x2,
- FX_FLOAT y2,
- FX_FLOAT x3,
- FX_FLOAT y3,
- FX_FLOAT x0p,
- FX_FLOAT y0p,
- FX_FLOAT x1p,
- FX_FLOAT y1p,
- FX_FLOAT x2p,
- FX_FLOAT y2p,
- FX_FLOAT x3p,
- FX_FLOAT y3p) {
- CBC_AutoPtr<CBC_CommonPerspectiveTransform> qToS(
- QuadrilateralToSquare(x0, y0, x1, y1, x2, y2, x3, y3));
- CBC_AutoPtr<CBC_CommonPerspectiveTransform> sToQ(
- SquareToQuadrilateral(x0p, y0p, x1p, y1p, x2p, y2p, x3p, y3p));
- return sToQ->Times(*(qToS.get()));
-}
-void CBC_CommonPerspectiveTransform::TransformPoints(CFX_FloatArray* points) {
- int32_t max = points->GetSize();
- FX_FLOAT a11 = m_a11;
- FX_FLOAT a12 = m_a12;
- FX_FLOAT a13 = m_a13;
- FX_FLOAT a21 = m_a21;
- FX_FLOAT a22 = m_a22;
- FX_FLOAT a23 = m_a23;
- FX_FLOAT a31 = m_a31;
- FX_FLOAT a32 = m_a32;
- FX_FLOAT a33 = m_a33;
- int32_t i;
- for (i = 0; i < max; i += 2) {
- FX_FLOAT x = (*points)[i];
- FX_FLOAT y = (*points)[i + 1];
- FX_FLOAT denominator = a13 * x + a23 * y + a33;
- (*points)[i] = (a11 * x + a21 * y + a31) / denominator;
- (*points)[i + 1] = (a12 * x + a22 * y + a32) / denominator;
- }
-}
-CBC_CommonPerspectiveTransform*
-CBC_CommonPerspectiveTransform::SquareToQuadrilateral(FX_FLOAT x0,
- FX_FLOAT y0,
- FX_FLOAT x1,
- FX_FLOAT y1,
- FX_FLOAT x2,
- FX_FLOAT y2,
- FX_FLOAT x3,
- FX_FLOAT y3) {
- FX_FLOAT dy2 = y3 - y2;
- FX_FLOAT dy3 = y0 - y1 + y2 - y3;
- if ((dy2 == 0.0f) && (dy3 == 0.0f)) {
- return new CBC_CommonPerspectiveTransform(x1 - x0, x2 - x1, x0, y1 - y0,
- y2 - y1, y0, 0.0f, 0.0f, 1.0f);
- } else {
- FX_FLOAT dx1 = x1 - x2;
- FX_FLOAT dx2 = x3 - x2;
- FX_FLOAT dx3 = x0 - x1 + x2 - x3;
- FX_FLOAT dy1 = y1 - y2;
- FX_FLOAT denominator = dx1 * dy2 - dx2 * dy1;
- FX_FLOAT a13 = (dx3 * dy2 - dx2 * dy3) / denominator;
- FX_FLOAT a23 = (dx1 * dy3 - dx3 * dy1) / denominator;
- return new CBC_CommonPerspectiveTransform(
- x1 - x0 + a13 * x1, x3 - x0 + a23 * x3, x0, y1 - y0 + a13 * y1,
- y3 - y0 + a23 * y3, y0, a13, a23, 1.0f);
- }
-}
-CBC_CommonPerspectiveTransform*
-CBC_CommonPerspectiveTransform::QuadrilateralToSquare(FX_FLOAT x0,
- FX_FLOAT y0,
- FX_FLOAT x1,
- FX_FLOAT y1,
- FX_FLOAT x2,
- FX_FLOAT y2,
- FX_FLOAT x3,
- FX_FLOAT y3) {
- CBC_AutoPtr<CBC_CommonPerspectiveTransform> temp1(
- SquareToQuadrilateral(x0, y0, x1, y1, x2, y2, x3, y3));
- return temp1->BuildAdjoint();
-}
-CBC_CommonPerspectiveTransform* CBC_CommonPerspectiveTransform::BuildAdjoint() {
- return new CBC_CommonPerspectiveTransform(
- m_a22 * m_a33 - m_a23 * m_a32, m_a23 * m_a31 - m_a21 * m_a33,
- m_a21 * m_a32 - m_a22 * m_a31, m_a13 * m_a32 - m_a12 * m_a33,
- m_a11 * m_a33 - m_a13 * m_a31, m_a12 * m_a31 - m_a11 * m_a32,
- m_a12 * m_a23 - m_a13 * m_a22, m_a13 * m_a21 - m_a11 * m_a23,
- m_a11 * m_a22 - m_a12 * m_a21);
-}
-CBC_CommonPerspectiveTransform* CBC_CommonPerspectiveTransform::Times(
- CBC_CommonPerspectiveTransform& other) {
- return new CBC_CommonPerspectiveTransform(
- m_a11 * other.m_a11 + m_a21 * other.m_a12 + m_a31 * other.m_a13,
- m_a11 * other.m_a21 + m_a21 * other.m_a22 + m_a31 * other.m_a23,
- m_a11 * other.m_a31 + m_a21 * other.m_a32 + m_a31 * other.m_a33,
- m_a12 * other.m_a11 + m_a22 * other.m_a12 + m_a32 * other.m_a13,
- m_a12 * other.m_a21 + m_a22 * other.m_a22 + m_a32 * other.m_a23,
- m_a12 * other.m_a31 + m_a22 * other.m_a32 + m_a32 * other.m_a33,
- m_a13 * other.m_a11 + m_a23 * other.m_a12 + m_a33 * other.m_a13,
- m_a13 * other.m_a21 + m_a23 * other.m_a22 + m_a33 * other.m_a23,
- m_a13 * other.m_a31 + m_a23 * other.m_a32 + m_a33 * other.m_a33);
-}
+// 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_CommonPerspectiveTransform.h" +CBC_CommonPerspectiveTransform::CBC_CommonPerspectiveTransform(FX_FLOAT a11, + FX_FLOAT a21, + FX_FLOAT a31, + FX_FLOAT a12, + FX_FLOAT a22, + FX_FLOAT a32, + FX_FLOAT a13, + FX_FLOAT a23, + FX_FLOAT a33) + : m_a11(a11), + m_a12(a12), + m_a13(a13), + m_a21(a21), + m_a22(a22), + m_a23(a23), + m_a31(a31), + m_a32(a32), + m_a33(a33) { +} +CBC_CommonPerspectiveTransform::~CBC_CommonPerspectiveTransform() {} +CBC_CommonPerspectiveTransform* +CBC_CommonPerspectiveTransform::QuadrilateralToQuadrilateral(FX_FLOAT x0, + FX_FLOAT y0, + FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + FX_FLOAT x3, + FX_FLOAT y3, + FX_FLOAT x0p, + FX_FLOAT y0p, + FX_FLOAT x1p, + FX_FLOAT y1p, + FX_FLOAT x2p, + FX_FLOAT y2p, + FX_FLOAT x3p, + FX_FLOAT y3p) { + CBC_AutoPtr<CBC_CommonPerspectiveTransform> qToS( + QuadrilateralToSquare(x0, y0, x1, y1, x2, y2, x3, y3)); + CBC_AutoPtr<CBC_CommonPerspectiveTransform> sToQ( + SquareToQuadrilateral(x0p, y0p, x1p, y1p, x2p, y2p, x3p, y3p)); + return sToQ->Times(*(qToS.get())); +} +void CBC_CommonPerspectiveTransform::TransformPoints(CFX_FloatArray* points) { + int32_t max = points->GetSize(); + FX_FLOAT a11 = m_a11; + FX_FLOAT a12 = m_a12; + FX_FLOAT a13 = m_a13; + FX_FLOAT a21 = m_a21; + FX_FLOAT a22 = m_a22; + FX_FLOAT a23 = m_a23; + FX_FLOAT a31 = m_a31; + FX_FLOAT a32 = m_a32; + FX_FLOAT a33 = m_a33; + int32_t i; + for (i = 0; i < max; i += 2) { + FX_FLOAT x = (*points)[i]; + FX_FLOAT y = (*points)[i + 1]; + FX_FLOAT denominator = a13 * x + a23 * y + a33; + (*points)[i] = (a11 * x + a21 * y + a31) / denominator; + (*points)[i + 1] = (a12 * x + a22 * y + a32) / denominator; + } +} +CBC_CommonPerspectiveTransform* +CBC_CommonPerspectiveTransform::SquareToQuadrilateral(FX_FLOAT x0, + FX_FLOAT y0, + FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + FX_FLOAT x3, + FX_FLOAT y3) { + FX_FLOAT dy2 = y3 - y2; + FX_FLOAT dy3 = y0 - y1 + y2 - y3; + if ((dy2 == 0.0f) && (dy3 == 0.0f)) { + return new CBC_CommonPerspectiveTransform(x1 - x0, x2 - x1, x0, y1 - y0, + y2 - y1, y0, 0.0f, 0.0f, 1.0f); + } else { + FX_FLOAT dx1 = x1 - x2; + FX_FLOAT dx2 = x3 - x2; + FX_FLOAT dx3 = x0 - x1 + x2 - x3; + FX_FLOAT dy1 = y1 - y2; + FX_FLOAT denominator = dx1 * dy2 - dx2 * dy1; + FX_FLOAT a13 = (dx3 * dy2 - dx2 * dy3) / denominator; + FX_FLOAT a23 = (dx1 * dy3 - dx3 * dy1) / denominator; + return new CBC_CommonPerspectiveTransform( + x1 - x0 + a13 * x1, x3 - x0 + a23 * x3, x0, y1 - y0 + a13 * y1, + y3 - y0 + a23 * y3, y0, a13, a23, 1.0f); + } +} +CBC_CommonPerspectiveTransform* +CBC_CommonPerspectiveTransform::QuadrilateralToSquare(FX_FLOAT x0, + FX_FLOAT y0, + FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + FX_FLOAT x3, + FX_FLOAT y3) { + CBC_AutoPtr<CBC_CommonPerspectiveTransform> temp1( + SquareToQuadrilateral(x0, y0, x1, y1, x2, y2, x3, y3)); + return temp1->BuildAdjoint(); +} +CBC_CommonPerspectiveTransform* CBC_CommonPerspectiveTransform::BuildAdjoint() { + return new CBC_CommonPerspectiveTransform( + m_a22 * m_a33 - m_a23 * m_a32, m_a23 * m_a31 - m_a21 * m_a33, + m_a21 * m_a32 - m_a22 * m_a31, m_a13 * m_a32 - m_a12 * m_a33, + m_a11 * m_a33 - m_a13 * m_a31, m_a12 * m_a31 - m_a11 * m_a32, + m_a12 * m_a23 - m_a13 * m_a22, m_a13 * m_a21 - m_a11 * m_a23, + m_a11 * m_a22 - m_a12 * m_a21); +} +CBC_CommonPerspectiveTransform* CBC_CommonPerspectiveTransform::Times( + CBC_CommonPerspectiveTransform& other) { + return new CBC_CommonPerspectiveTransform( + m_a11 * other.m_a11 + m_a21 * other.m_a12 + m_a31 * other.m_a13, + m_a11 * other.m_a21 + m_a21 * other.m_a22 + m_a31 * other.m_a23, + m_a11 * other.m_a31 + m_a21 * other.m_a32 + m_a31 * other.m_a33, + m_a12 * other.m_a11 + m_a22 * other.m_a12 + m_a32 * other.m_a13, + m_a12 * other.m_a21 + m_a22 * other.m_a22 + m_a32 * other.m_a23, + m_a12 * other.m_a31 + m_a22 * other.m_a32 + m_a32 * other.m_a33, + m_a13 * other.m_a11 + m_a23 * other.m_a12 + m_a33 * other.m_a13, + m_a13 * other.m_a21 + m_a23 * other.m_a22 + m_a33 * other.m_a23, + m_a13 * other.m_a31 + m_a23 * other.m_a32 + m_a33 * other.m_a33); +} diff --git a/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h index 22e90cdc46..f53bb00632 100644 --- a/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h +++ b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h @@ -1,61 +1,61 @@ -// 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
-
-#ifndef _BC_COMMONPERSPECTIVETRANSFORM_H_
-#define _BC_COMMONPERSPECTIVETRANSFORM_H_
-class CBC_CommonPerspectiveTransform {
- public:
- CBC_CommonPerspectiveTransform(FX_FLOAT a11,
- FX_FLOAT a21,
- FX_FLOAT a31,
- FX_FLOAT a12,
- FX_FLOAT a22,
- FX_FLOAT a32,
- FX_FLOAT a13,
- FX_FLOAT a23,
- FX_FLOAT a33);
- virtual ~CBC_CommonPerspectiveTransform();
- static CBC_CommonPerspectiveTransform* QuadrilateralToQuadrilateral(
- FX_FLOAT x0,
- FX_FLOAT y0,
- FX_FLOAT x1,
- FX_FLOAT y1,
- FX_FLOAT x2,
- FX_FLOAT y2,
- FX_FLOAT x3,
- FX_FLOAT y3,
- FX_FLOAT x0p,
- FX_FLOAT y0p,
- FX_FLOAT x1p,
- FX_FLOAT y1p,
- FX_FLOAT x2p,
- FX_FLOAT y2p,
- FX_FLOAT x3p,
- FX_FLOAT y3p);
- static CBC_CommonPerspectiveTransform* SquareToQuadrilateral(FX_FLOAT x0,
- FX_FLOAT y0,
- FX_FLOAT x1,
- FX_FLOAT y1,
- FX_FLOAT x2,
- FX_FLOAT y2,
- FX_FLOAT x3,
- FX_FLOAT y3);
- static CBC_CommonPerspectiveTransform* QuadrilateralToSquare(FX_FLOAT x0,
- FX_FLOAT y0,
- FX_FLOAT x1,
- FX_FLOAT y1,
- FX_FLOAT x2,
- FX_FLOAT y2,
- FX_FLOAT x3,
- FX_FLOAT y3);
- CBC_CommonPerspectiveTransform* BuildAdjoint();
- CBC_CommonPerspectiveTransform* Times(CBC_CommonPerspectiveTransform& other);
- void TransformPoints(CFX_FloatArray* points);
-
- private:
- FX_FLOAT m_a11, m_a12, m_a13, m_a21, m_a22, m_a23, m_a31, m_a32, m_a33;
-};
-#endif
+// 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 + +#ifndef _BC_COMMONPERSPECTIVETRANSFORM_H_ +#define _BC_COMMONPERSPECTIVETRANSFORM_H_ +class CBC_CommonPerspectiveTransform { + public: + CBC_CommonPerspectiveTransform(FX_FLOAT a11, + FX_FLOAT a21, + FX_FLOAT a31, + FX_FLOAT a12, + FX_FLOAT a22, + FX_FLOAT a32, + FX_FLOAT a13, + FX_FLOAT a23, + FX_FLOAT a33); + virtual ~CBC_CommonPerspectiveTransform(); + static CBC_CommonPerspectiveTransform* QuadrilateralToQuadrilateral( + FX_FLOAT x0, + FX_FLOAT y0, + FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + FX_FLOAT x3, + FX_FLOAT y3, + FX_FLOAT x0p, + FX_FLOAT y0p, + FX_FLOAT x1p, + FX_FLOAT y1p, + FX_FLOAT x2p, + FX_FLOAT y2p, + FX_FLOAT x3p, + FX_FLOAT y3p); + static CBC_CommonPerspectiveTransform* SquareToQuadrilateral(FX_FLOAT x0, + FX_FLOAT y0, + FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + FX_FLOAT x3, + FX_FLOAT y3); + static CBC_CommonPerspectiveTransform* QuadrilateralToSquare(FX_FLOAT x0, + FX_FLOAT y0, + FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + FX_FLOAT x3, + FX_FLOAT y3); + CBC_CommonPerspectiveTransform* BuildAdjoint(); + CBC_CommonPerspectiveTransform* Times(CBC_CommonPerspectiveTransform& other); + void TransformPoints(CFX_FloatArray* points); + + private: + FX_FLOAT m_a11, m_a12, m_a13, m_a21, m_a22, m_a23, m_a31, m_a32, m_a33; +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp b/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp index 24c17712cc..42438978df 100644 --- a/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp +++ b/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp @@ -1,169 +1,169 @@ -// 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 2009 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 "xfa/src/fxbarcode/BC_Binarizer.h"
-#include "xfa/src/fxbarcode/BC_LuminanceSource.h"
-#include "BC_CommonBitMatrix.h"
-#include "BC_CommonBitArray.h"
-#include "BC_GlobalHistogramBinarizer.h"
-const int32_t LUMINANCE_BITS = 5;
-const int32_t LUMINANCE_SHIFT = 8 - LUMINANCE_BITS;
-const int32_t LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS;
-CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer(
- CBC_LuminanceSource* source)
- : CBC_Binarizer(source) {}
-CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer() {}
-CBC_CommonBitArray* CBC_GlobalHistogramBinarizer::GetBlackRow(
- int32_t y,
- CBC_CommonBitArray* row,
- int32_t& e) {
- CBC_LuminanceSource* source = GetLuminanceSource();
- int32_t width = source->GetWidth();
- CBC_AutoPtr<CBC_CommonBitArray> result(new CBC_CommonBitArray(width));
- InitArrays(width);
- CFX_ByteArray* localLuminances = source->GetRow(y, m_luminance, e);
- if (e != BCExceptionNO) {
- return result.release();
- }
- CFX_Int32Array localBuckets;
- localBuckets.Copy(m_buckets);
- int32_t x;
- for (x = 0; x < width; x++) {
- int32_t pixel = (*localLuminances)[x] & 0xff;
- localBuckets[pixel >> LUMINANCE_SHIFT]++;
- }
- int32_t blackPoint = EstimateBlackPoint(localBuckets, e);
- if (e != BCExceptionNO) {
- return result.release();
- }
- int32_t left = (*localLuminances)[0] & 0xff;
- int32_t center = (*localLuminances)[1] & 0xff;
- for (x = 1; x < width - 1; x++) {
- int32_t right = (*localLuminances)[x + 1] & 0xff;
- int32_t luminance = ((center << 2) - left - right) >> 1;
- if (luminance < blackPoint) {
- result->Set(x);
- }
- left = center;
- center = right;
- }
- return result.release();
-}
-CBC_CommonBitMatrix* CBC_GlobalHistogramBinarizer::GetBlackMatrix(int32_t& e) {
- CBC_LuminanceSource* source = GetLuminanceSource();
- int32_t width = source->GetWidth();
- int32_t height = source->GetHeight();
- CBC_CommonBitMatrix* BitMatrixTemp = new CBC_CommonBitMatrix();
- BitMatrixTemp->Init(width, height);
- CBC_AutoPtr<CBC_CommonBitMatrix> matrix(BitMatrixTemp);
- InitArrays(width);
- CFX_Int32Array localBuckets;
- localBuckets.Copy(m_buckets);
- int32_t y;
- for (y = 1; y < 5; y++) {
- int32_t row = height * y / 5;
- CFX_ByteArray* localLuminances = source->GetRow(row, m_luminance, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- int32_t right = (width << 2) / 5;
- int32_t x;
- for (x = width / 5; x < right; x++) {
- int32_t pixel = (*localLuminances)[x] & 0xff;
- localBuckets[pixel >> LUMINANCE_SHIFT]++;
- }
- }
- int32_t blackPoint = EstimateBlackPoint(localBuckets, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CFX_ByteArray> localLuminances(source->GetMatrix());
- for (y = 0; y < height; y++) {
- int32_t offset = y * width;
- for (int32_t x = 0; x < width; x++) {
- int32_t pixel = (*localLuminances)[offset + x] & 0xff;
- if (pixel < blackPoint) {
- matrix->Set(x, y);
- }
- }
- }
- return matrix.release();
-}
-void CBC_GlobalHistogramBinarizer::InitArrays(int32_t luminanceSize) {
- if (m_luminance.GetSize() < luminanceSize) {
- m_luminance.SetSize(luminanceSize);
- }
- if (m_buckets.GetSize() <= 0) {
- m_buckets.SetSize(LUMINANCE_BUCKETS);
- } else {
- int32_t x;
- for (x = 0; x < LUMINANCE_BUCKETS; x++) {
- m_buckets[x] = 0;
- }
- }
-}
-int32_t CBC_GlobalHistogramBinarizer::EstimateBlackPoint(
- CFX_Int32Array& buckets,
- int32_t& e) {
- int32_t numBuckets = buckets.GetSize();
- int32_t maxBucketCount = 0;
- int32_t firstPeak = 0;
- int32_t firstPeakSize = 0;
- int32_t x;
- for (x = 0; x < numBuckets; x++) {
- if (buckets[x] > firstPeakSize) {
- firstPeak = x;
- firstPeakSize = buckets[x];
- }
- if (buckets[x] > maxBucketCount) {
- maxBucketCount = buckets[x];
- }
- }
- int32_t secondPeak = 0;
- int32_t secondPeakScore = 0;
- for (x = 0; x < numBuckets; x++) {
- int32_t distanceToBiggest = x - firstPeak;
- int32_t score = buckets[x] * distanceToBiggest * distanceToBiggest;
- if (score > secondPeakScore) {
- secondPeak = x;
- secondPeakScore = score;
- }
- }
- if (firstPeak > secondPeak) {
- int32_t temp = firstPeak;
- firstPeak = secondPeak;
- secondPeak = temp;
- }
- if (secondPeak - firstPeak <= numBuckets >> 4) {
- e = BCExceptionRead;
- return 0;
- }
- int32_t bestValley = secondPeak - 1;
- int32_t bestValleyScore = -1;
- for (x = secondPeak - 1; x > firstPeak; x--) {
- int32_t fromFirst = x - firstPeak;
- int32_t score = fromFirst * fromFirst * (secondPeak - x) *
- (maxBucketCount - buckets[x]);
- if (score > bestValleyScore) {
- bestValley = x;
- bestValleyScore = score;
- }
- }
- return bestValley << LUMINANCE_SHIFT;
-}
+// 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 2009 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 "xfa/src/fxbarcode/BC_Binarizer.h" +#include "xfa/src/fxbarcode/BC_LuminanceSource.h" +#include "BC_CommonBitMatrix.h" +#include "BC_CommonBitArray.h" +#include "BC_GlobalHistogramBinarizer.h" +const int32_t LUMINANCE_BITS = 5; +const int32_t LUMINANCE_SHIFT = 8 - LUMINANCE_BITS; +const int32_t LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS; +CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer( + CBC_LuminanceSource* source) + : CBC_Binarizer(source) {} +CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer() {} +CBC_CommonBitArray* CBC_GlobalHistogramBinarizer::GetBlackRow( + int32_t y, + CBC_CommonBitArray* row, + int32_t& e) { + CBC_LuminanceSource* source = GetLuminanceSource(); + int32_t width = source->GetWidth(); + CBC_AutoPtr<CBC_CommonBitArray> result(new CBC_CommonBitArray(width)); + InitArrays(width); + CFX_ByteArray* localLuminances = source->GetRow(y, m_luminance, e); + if (e != BCExceptionNO) { + return result.release(); + } + CFX_Int32Array localBuckets; + localBuckets.Copy(m_buckets); + int32_t x; + for (x = 0; x < width; x++) { + int32_t pixel = (*localLuminances)[x] & 0xff; + localBuckets[pixel >> LUMINANCE_SHIFT]++; + } + int32_t blackPoint = EstimateBlackPoint(localBuckets, e); + if (e != BCExceptionNO) { + return result.release(); + } + int32_t left = (*localLuminances)[0] & 0xff; + int32_t center = (*localLuminances)[1] & 0xff; + for (x = 1; x < width - 1; x++) { + int32_t right = (*localLuminances)[x + 1] & 0xff; + int32_t luminance = ((center << 2) - left - right) >> 1; + if (luminance < blackPoint) { + result->Set(x); + } + left = center; + center = right; + } + return result.release(); +} +CBC_CommonBitMatrix* CBC_GlobalHistogramBinarizer::GetBlackMatrix(int32_t& e) { + CBC_LuminanceSource* source = GetLuminanceSource(); + int32_t width = source->GetWidth(); + int32_t height = source->GetHeight(); + CBC_CommonBitMatrix* BitMatrixTemp = new CBC_CommonBitMatrix(); + BitMatrixTemp->Init(width, height); + CBC_AutoPtr<CBC_CommonBitMatrix> matrix(BitMatrixTemp); + InitArrays(width); + CFX_Int32Array localBuckets; + localBuckets.Copy(m_buckets); + int32_t y; + for (y = 1; y < 5; y++) { + int32_t row = height * y / 5; + CFX_ByteArray* localLuminances = source->GetRow(row, m_luminance, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + int32_t right = (width << 2) / 5; + int32_t x; + for (x = width / 5; x < right; x++) { + int32_t pixel = (*localLuminances)[x] & 0xff; + localBuckets[pixel >> LUMINANCE_SHIFT]++; + } + } + int32_t blackPoint = EstimateBlackPoint(localBuckets, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CFX_ByteArray> localLuminances(source->GetMatrix()); + for (y = 0; y < height; y++) { + int32_t offset = y * width; + for (int32_t x = 0; x < width; x++) { + int32_t pixel = (*localLuminances)[offset + x] & 0xff; + if (pixel < blackPoint) { + matrix->Set(x, y); + } + } + } + return matrix.release(); +} +void CBC_GlobalHistogramBinarizer::InitArrays(int32_t luminanceSize) { + if (m_luminance.GetSize() < luminanceSize) { + m_luminance.SetSize(luminanceSize); + } + if (m_buckets.GetSize() <= 0) { + m_buckets.SetSize(LUMINANCE_BUCKETS); + } else { + int32_t x; + for (x = 0; x < LUMINANCE_BUCKETS; x++) { + m_buckets[x] = 0; + } + } +} +int32_t CBC_GlobalHistogramBinarizer::EstimateBlackPoint( + CFX_Int32Array& buckets, + int32_t& e) { + int32_t numBuckets = buckets.GetSize(); + int32_t maxBucketCount = 0; + int32_t firstPeak = 0; + int32_t firstPeakSize = 0; + int32_t x; + for (x = 0; x < numBuckets; x++) { + if (buckets[x] > firstPeakSize) { + firstPeak = x; + firstPeakSize = buckets[x]; + } + if (buckets[x] > maxBucketCount) { + maxBucketCount = buckets[x]; + } + } + int32_t secondPeak = 0; + int32_t secondPeakScore = 0; + for (x = 0; x < numBuckets; x++) { + int32_t distanceToBiggest = x - firstPeak; + int32_t score = buckets[x] * distanceToBiggest * distanceToBiggest; + if (score > secondPeakScore) { + secondPeak = x; + secondPeakScore = score; + } + } + if (firstPeak > secondPeak) { + int32_t temp = firstPeak; + firstPeak = secondPeak; + secondPeak = temp; + } + if (secondPeak - firstPeak <= numBuckets >> 4) { + e = BCExceptionRead; + return 0; + } + int32_t bestValley = secondPeak - 1; + int32_t bestValleyScore = -1; + for (x = secondPeak - 1; x > firstPeak; x--) { + int32_t fromFirst = x - firstPeak; + int32_t score = fromFirst * fromFirst * (secondPeak - x) * + (maxBucketCount - buckets[x]); + if (score > bestValleyScore) { + bestValley = x; + bestValleyScore = score; + } + } + return bestValley << LUMINANCE_SHIFT; +} diff --git a/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.h b/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.h index 63ff3e7533..52b653542c 100644 --- a/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.h +++ b/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.h @@ -1,30 +1,30 @@ -// 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
-
-#ifndef _BC_GLOBALHISTOGRAMBINARIZER_H_
-#define _BC_GLOBALHISTOGRAMBINARIZER_H_
-class CBC_CommonBinarizer;
-class CBC_CommonBitArray;
-class CBC_CommonBitMatrix;
-class CBC_LuminanceSource;
-class CBC_GlobalHistogramBinarizer;
-class CBC_GlobalHistogramBinarizer : public CBC_Binarizer {
- public:
- CBC_GlobalHistogramBinarizer(CBC_LuminanceSource* source);
- virtual ~CBC_GlobalHistogramBinarizer();
-
- void InitArrays(int32_t luminanceSize);
- CBC_CommonBitMatrix* GetBlackMatrix(int32_t& e);
- CBC_CommonBitArray* GetBlackRow(int32_t y,
- CBC_CommonBitArray* row,
- int32_t& e);
- static int32_t EstimateBlackPoint(CFX_Int32Array& buckets, int32_t& e);
-
- private:
- CFX_ByteArray m_luminance;
- CFX_Int32Array m_buckets;
-};
-#endif
+// 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 + +#ifndef _BC_GLOBALHISTOGRAMBINARIZER_H_ +#define _BC_GLOBALHISTOGRAMBINARIZER_H_ +class CBC_CommonBinarizer; +class CBC_CommonBitArray; +class CBC_CommonBitMatrix; +class CBC_LuminanceSource; +class CBC_GlobalHistogramBinarizer; +class CBC_GlobalHistogramBinarizer : public CBC_Binarizer { + public: + CBC_GlobalHistogramBinarizer(CBC_LuminanceSource* source); + virtual ~CBC_GlobalHistogramBinarizer(); + + void InitArrays(int32_t luminanceSize); + CBC_CommonBitMatrix* GetBlackMatrix(int32_t& e); + CBC_CommonBitArray* GetBlackRow(int32_t y, + CBC_CommonBitArray* row, + int32_t& e); + static int32_t EstimateBlackPoint(CFX_Int32Array& buckets, int32_t& e); + + private: + CFX_ByteArray m_luminance; + CFX_Int32Array m_buckets; +}; +#endif diff --git a/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.cpp b/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.cpp index a01eaee3ac..a2d6c55067 100644 --- a/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.cpp +++ b/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.cpp @@ -1,260 +1,260 @@ -// 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 2010 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 "xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h"
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/src/fxbarcode/BC_ResultPoint.h"
-const int32_t CBC_WhiteRectangleDetector::INIT_SIZE = 30;
-const int32_t CBC_WhiteRectangleDetector::CORR = 1;
-CBC_WhiteRectangleDetector::CBC_WhiteRectangleDetector(
- CBC_CommonBitMatrix* image) {
- m_image = image;
- m_height = image->GetHeight();
- m_width = image->GetWidth();
- m_leftInit = (m_width - INIT_SIZE) >> 1;
- m_rightInit = (m_width + INIT_SIZE) >> 1;
- m_upInit = (m_height - INIT_SIZE) >> 1;
- m_downInit = (m_height + INIT_SIZE) >> 1;
-}
-void CBC_WhiteRectangleDetector::Init(int32_t& e) {
- if (m_upInit < 0 || m_leftInit < 0 || m_downInit >= m_height ||
- m_rightInit >= m_width) {
- e = BCExceptionNotFound;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
-}
-CBC_WhiteRectangleDetector::CBC_WhiteRectangleDetector(
- CBC_CommonBitMatrix* image,
- int32_t initSize,
- int32_t x,
- int32_t y) {
- m_image = image;
- m_height = image->GetHeight();
- m_width = image->GetWidth();
- int32_t halfsize = initSize >> 1;
- m_leftInit = x - halfsize;
- m_rightInit = x + halfsize;
- m_upInit = y - halfsize;
- m_downInit = y + halfsize;
-}
-CBC_WhiteRectangleDetector::~CBC_WhiteRectangleDetector() {}
-CFX_PtrArray* CBC_WhiteRectangleDetector::Detect(int32_t& e) {
- int32_t left = m_leftInit;
- int32_t right = m_rightInit;
- int32_t up = m_upInit;
- int32_t down = m_downInit;
- FX_BOOL sizeExceeded = FALSE;
- FX_BOOL aBlackPointFoundOnBorder = TRUE;
- FX_BOOL atLeastOneBlackPointFoundOnBorder = FALSE;
- while (aBlackPointFoundOnBorder) {
- aBlackPointFoundOnBorder = FALSE;
- FX_BOOL rightBorderNotWhite = TRUE;
- while (rightBorderNotWhite && right < m_width) {
- rightBorderNotWhite = ContainsBlackPoint(up, down, right, FALSE);
- if (rightBorderNotWhite) {
- right++;
- aBlackPointFoundOnBorder = TRUE;
- }
- }
- if (right >= m_width) {
- sizeExceeded = TRUE;
- break;
- }
- FX_BOOL bottomBorderNotWhite = TRUE;
- while (bottomBorderNotWhite && down < m_height) {
- bottomBorderNotWhite = ContainsBlackPoint(left, right, down, TRUE);
- if (bottomBorderNotWhite) {
- down++;
- aBlackPointFoundOnBorder = TRUE;
- }
- }
- if (down >= m_height) {
- sizeExceeded = TRUE;
- break;
- }
- FX_BOOL leftBorderNotWhite = TRUE;
- while (leftBorderNotWhite && left >= 0) {
- leftBorderNotWhite = ContainsBlackPoint(up, down, left, FALSE);
- if (leftBorderNotWhite) {
- left--;
- aBlackPointFoundOnBorder = TRUE;
- }
- }
- if (left < 0) {
- sizeExceeded = TRUE;
- break;
- }
- FX_BOOL topBorderNotWhite = TRUE;
- while (topBorderNotWhite && up >= 0) {
- topBorderNotWhite = ContainsBlackPoint(left, right, up, TRUE);
- if (topBorderNotWhite) {
- up--;
- aBlackPointFoundOnBorder = TRUE;
- }
- }
- if (up < 0) {
- sizeExceeded = TRUE;
- break;
- }
- if (aBlackPointFoundOnBorder) {
- atLeastOneBlackPointFoundOnBorder = TRUE;
- }
- }
- if (!sizeExceeded && atLeastOneBlackPointFoundOnBorder) {
- int32_t maxSize = right - left;
- CBC_AutoPtr<CBC_ResultPoint> z(NULL);
- for (int32_t i = 1; i < maxSize; i++) {
- z = CBC_AutoPtr<CBC_ResultPoint>(
- GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(down - i),
- (FX_FLOAT)(left + i), (FX_FLOAT)(down)));
- if (z.get() != NULL) {
- break;
- }
- }
- if (z.get() == NULL) {
- e = BCExceptionNotFound;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- CBC_AutoPtr<CBC_ResultPoint> t(NULL);
- for (int32_t j = 1; j < maxSize; j++) {
- t = CBC_AutoPtr<CBC_ResultPoint>(
- GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(up + j),
- (FX_FLOAT)(left + j), (FX_FLOAT)up));
- if (t.get() != NULL) {
- break;
- }
- }
- if (t.get() == NULL) {
- e = BCExceptionNotFound;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- CBC_AutoPtr<CBC_ResultPoint> x(NULL);
- for (int32_t k = 1; k < maxSize; k++) {
- x = CBC_AutoPtr<CBC_ResultPoint>(
- GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(up + k),
- (FX_FLOAT)(right - k), (FX_FLOAT)up));
- if (x.get() != NULL) {
- break;
- }
- }
- if (x.get() == NULL) {
- e = BCExceptionNotFound;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- CBC_AutoPtr<CBC_ResultPoint> y(NULL);
- for (int32_t m = 1; m < maxSize; m++) {
- y = CBC_AutoPtr<CBC_ResultPoint>(
- GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(down - m),
- (FX_FLOAT)(right - m), (FX_FLOAT)down));
- if (y.get() != NULL) {
- break;
- }
- }
- if (y.get() == NULL) {
- e = BCExceptionNotFound;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- return CenterEdges(y.get(), z.get(), x.get(), t.get());
- } else {
- e = BCExceptionNotFound;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- return NULL;
-}
-int32_t CBC_WhiteRectangleDetector::Round(FX_FLOAT d) {
- return (int32_t)(d + 0.5f);
-}
-CBC_ResultPoint* CBC_WhiteRectangleDetector::GetBlackPointOnSegment(
- FX_FLOAT aX,
- FX_FLOAT aY,
- FX_FLOAT bX,
- FX_FLOAT bY) {
- int32_t dist = DistanceL2(aX, aY, bX, bY);
- float xStep = (bX - aX) / dist;
- float yStep = (bY - aY) / dist;
- for (int32_t i = 0; i < dist; i++) {
- int32_t x = Round(aX + i * xStep);
- int32_t y = Round(aY + i * yStep);
- if (m_image->Get(x, y)) {
- return new CBC_ResultPoint((FX_FLOAT)x, (FX_FLOAT)y);
- }
- }
- return NULL;
-}
-int32_t CBC_WhiteRectangleDetector::DistanceL2(FX_FLOAT aX,
- FX_FLOAT aY,
- FX_FLOAT bX,
- FX_FLOAT bY) {
- float xDiff = aX - bX;
- float yDiff = aY - bY;
- return Round((float)sqrt(xDiff * xDiff + yDiff * yDiff));
-}
-CFX_PtrArray* CBC_WhiteRectangleDetector::CenterEdges(CBC_ResultPoint* y,
- CBC_ResultPoint* z,
- CBC_ResultPoint* x,
- CBC_ResultPoint* t) {
- float yi = y->GetX();
- float yj = y->GetY();
- float zi = z->GetX();
- float zj = z->GetY();
- float xi = x->GetX();
- float xj = x->GetY();
- float ti = t->GetX();
- float tj = t->GetY();
- if (yi < m_width / 2) {
- CFX_PtrArray* result = new CFX_PtrArray;
- result->SetSize(4);
- (*result)[0] = new CBC_ResultPoint(ti - CORR, tj + CORR);
- (*result)[1] = new CBC_ResultPoint(zi + CORR, zj + CORR);
- (*result)[2] = new CBC_ResultPoint(xi - CORR, xj - CORR);
- (*result)[3] = new CBC_ResultPoint(yi + CORR, yj - CORR);
- return result;
- } else {
- CFX_PtrArray* result = new CFX_PtrArray;
- result->SetSize(4);
- (*result)[0] = new CBC_ResultPoint(ti + CORR, tj + CORR);
- (*result)[1] = new CBC_ResultPoint(zi + CORR, zj - CORR);
- (*result)[2] = new CBC_ResultPoint(xi - CORR, xj + CORR);
- (*result)[3] = new CBC_ResultPoint(yi - CORR, yj - CORR);
- return result;
- }
-}
-FX_BOOL CBC_WhiteRectangleDetector::ContainsBlackPoint(int32_t a,
- int32_t b,
- int32_t fixed,
- FX_BOOL horizontal) {
- if (horizontal) {
- for (int32_t x = a; x <= b; x++) {
- if (m_image->Get(x, fixed)) {
- return TRUE;
- }
- }
- } else {
- for (int32_t y = a; y <= b; y++) {
- if (m_image->Get(fixed, y)) {
- return TRUE;
- }
- }
- }
- return FALSE;
-}
+// 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 2010 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 "xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h" +#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" +#include "xfa/src/fxbarcode/BC_ResultPoint.h" +const int32_t CBC_WhiteRectangleDetector::INIT_SIZE = 30; +const int32_t CBC_WhiteRectangleDetector::CORR = 1; +CBC_WhiteRectangleDetector::CBC_WhiteRectangleDetector( + CBC_CommonBitMatrix* image) { + m_image = image; + m_height = image->GetHeight(); + m_width = image->GetWidth(); + m_leftInit = (m_width - INIT_SIZE) >> 1; + m_rightInit = (m_width + INIT_SIZE) >> 1; + m_upInit = (m_height - INIT_SIZE) >> 1; + m_downInit = (m_height + INIT_SIZE) >> 1; +} +void CBC_WhiteRectangleDetector::Init(int32_t& e) { + if (m_upInit < 0 || m_leftInit < 0 || m_downInit >= m_height || + m_rightInit >= m_width) { + e = BCExceptionNotFound; + BC_EXCEPTION_CHECK_ReturnVoid(e); + } +} +CBC_WhiteRectangleDetector::CBC_WhiteRectangleDetector( + CBC_CommonBitMatrix* image, + int32_t initSize, + int32_t x, + int32_t y) { + m_image = image; + m_height = image->GetHeight(); + m_width = image->GetWidth(); + int32_t halfsize = initSize >> 1; + m_leftInit = x - halfsize; + m_rightInit = x + halfsize; + m_upInit = y - halfsize; + m_downInit = y + halfsize; +} +CBC_WhiteRectangleDetector::~CBC_WhiteRectangleDetector() {} +CFX_PtrArray* CBC_WhiteRectangleDetector::Detect(int32_t& e) { + int32_t left = m_leftInit; + int32_t right = m_rightInit; + int32_t up = m_upInit; + int32_t down = m_downInit; + FX_BOOL sizeExceeded = FALSE; + FX_BOOL aBlackPointFoundOnBorder = TRUE; + FX_BOOL atLeastOneBlackPointFoundOnBorder = FALSE; + while (aBlackPointFoundOnBorder) { + aBlackPointFoundOnBorder = FALSE; + FX_BOOL rightBorderNotWhite = TRUE; + while (rightBorderNotWhite && right < m_width) { + rightBorderNotWhite = ContainsBlackPoint(up, down, right, FALSE); + if (rightBorderNotWhite) { + right++; + aBlackPointFoundOnBorder = TRUE; + } + } + if (right >= m_width) { + sizeExceeded = TRUE; + break; + } + FX_BOOL bottomBorderNotWhite = TRUE; + while (bottomBorderNotWhite && down < m_height) { + bottomBorderNotWhite = ContainsBlackPoint(left, right, down, TRUE); + if (bottomBorderNotWhite) { + down++; + aBlackPointFoundOnBorder = TRUE; + } + } + if (down >= m_height) { + sizeExceeded = TRUE; + break; + } + FX_BOOL leftBorderNotWhite = TRUE; + while (leftBorderNotWhite && left >= 0) { + leftBorderNotWhite = ContainsBlackPoint(up, down, left, FALSE); + if (leftBorderNotWhite) { + left--; + aBlackPointFoundOnBorder = TRUE; + } + } + if (left < 0) { + sizeExceeded = TRUE; + break; + } + FX_BOOL topBorderNotWhite = TRUE; + while (topBorderNotWhite && up >= 0) { + topBorderNotWhite = ContainsBlackPoint(left, right, up, TRUE); + if (topBorderNotWhite) { + up--; + aBlackPointFoundOnBorder = TRUE; + } + } + if (up < 0) { + sizeExceeded = TRUE; + break; + } + if (aBlackPointFoundOnBorder) { + atLeastOneBlackPointFoundOnBorder = TRUE; + } + } + if (!sizeExceeded && atLeastOneBlackPointFoundOnBorder) { + int32_t maxSize = right - left; + CBC_AutoPtr<CBC_ResultPoint> z(NULL); + for (int32_t i = 1; i < maxSize; i++) { + z = CBC_AutoPtr<CBC_ResultPoint>( + GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(down - i), + (FX_FLOAT)(left + i), (FX_FLOAT)(down))); + if (z.get() != NULL) { + break; + } + } + if (z.get() == NULL) { + e = BCExceptionNotFound; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + CBC_AutoPtr<CBC_ResultPoint> t(NULL); + for (int32_t j = 1; j < maxSize; j++) { + t = CBC_AutoPtr<CBC_ResultPoint>( + GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(up + j), + (FX_FLOAT)(left + j), (FX_FLOAT)up)); + if (t.get() != NULL) { + break; + } + } + if (t.get() == NULL) { + e = BCExceptionNotFound; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + CBC_AutoPtr<CBC_ResultPoint> x(NULL); + for (int32_t k = 1; k < maxSize; k++) { + x = CBC_AutoPtr<CBC_ResultPoint>( + GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(up + k), + (FX_FLOAT)(right - k), (FX_FLOAT)up)); + if (x.get() != NULL) { + break; + } + } + if (x.get() == NULL) { + e = BCExceptionNotFound; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + CBC_AutoPtr<CBC_ResultPoint> y(NULL); + for (int32_t m = 1; m < maxSize; m++) { + y = CBC_AutoPtr<CBC_ResultPoint>( + GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(down - m), + (FX_FLOAT)(right - m), (FX_FLOAT)down)); + if (y.get() != NULL) { + break; + } + } + if (y.get() == NULL) { + e = BCExceptionNotFound; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + return CenterEdges(y.get(), z.get(), x.get(), t.get()); + } else { + e = BCExceptionNotFound; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + return NULL; +} +int32_t CBC_WhiteRectangleDetector::Round(FX_FLOAT d) { + return (int32_t)(d + 0.5f); +} +CBC_ResultPoint* CBC_WhiteRectangleDetector::GetBlackPointOnSegment( + FX_FLOAT aX, + FX_FLOAT aY, + FX_FLOAT bX, + FX_FLOAT bY) { + int32_t dist = DistanceL2(aX, aY, bX, bY); + float xStep = (bX - aX) / dist; + float yStep = (bY - aY) / dist; + for (int32_t i = 0; i < dist; i++) { + int32_t x = Round(aX + i * xStep); + int32_t y = Round(aY + i * yStep); + if (m_image->Get(x, y)) { + return new CBC_ResultPoint((FX_FLOAT)x, (FX_FLOAT)y); + } + } + return NULL; +} +int32_t CBC_WhiteRectangleDetector::DistanceL2(FX_FLOAT aX, + FX_FLOAT aY, + FX_FLOAT bX, + FX_FLOAT bY) { + float xDiff = aX - bX; + float yDiff = aY - bY; + return Round((float)sqrt(xDiff * xDiff + yDiff * yDiff)); +} +CFX_PtrArray* CBC_WhiteRectangleDetector::CenterEdges(CBC_ResultPoint* y, + CBC_ResultPoint* z, + CBC_ResultPoint* x, + CBC_ResultPoint* t) { + float yi = y->GetX(); + float yj = y->GetY(); + float zi = z->GetX(); + float zj = z->GetY(); + float xi = x->GetX(); + float xj = x->GetY(); + float ti = t->GetX(); + float tj = t->GetY(); + if (yi < m_width / 2) { + CFX_PtrArray* result = new CFX_PtrArray; + result->SetSize(4); + (*result)[0] = new CBC_ResultPoint(ti - CORR, tj + CORR); + (*result)[1] = new CBC_ResultPoint(zi + CORR, zj + CORR); + (*result)[2] = new CBC_ResultPoint(xi - CORR, xj - CORR); + (*result)[3] = new CBC_ResultPoint(yi + CORR, yj - CORR); + return result; + } else { + CFX_PtrArray* result = new CFX_PtrArray; + result->SetSize(4); + (*result)[0] = new CBC_ResultPoint(ti + CORR, tj + CORR); + (*result)[1] = new CBC_ResultPoint(zi + CORR, zj - CORR); + (*result)[2] = new CBC_ResultPoint(xi - CORR, xj + CORR); + (*result)[3] = new CBC_ResultPoint(yi - CORR, yj - CORR); + return result; + } +} +FX_BOOL CBC_WhiteRectangleDetector::ContainsBlackPoint(int32_t a, + int32_t b, + int32_t fixed, + FX_BOOL horizontal) { + if (horizontal) { + for (int32_t x = a; x <= b; x++) { + if (m_image->Get(x, fixed)) { + return TRUE; + } + } + } else { + for (int32_t y = a; y <= b; y++) { + if (m_image->Get(fixed, y)) { + return TRUE; + } + } + } + return FALSE; +} diff --git a/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h b/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h index 74112d20d6..f0de614d99 100644 --- a/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h +++ b/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h @@ -1,48 +1,48 @@ -// 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
-
-#ifndef _BC_WHITERECTANLEDETECTOR_H_
-#define _BC_WHITERECTANLEDETECTOR_H_
-class CBC_CommonBitMatrix;
-class CBC_ResultPoint;
-class CBC_WhiteRectangleDetector {
- public:
- CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image);
- CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image,
- int32_t initSize,
- int32_t x,
- int32_t y);
- virtual ~CBC_WhiteRectangleDetector();
- CFX_PtrArray* Detect(int32_t& e);
- virtual void Init(int32_t& e);
-
- private:
- int32_t Round(float d);
- CBC_ResultPoint* GetBlackPointOnSegment(FX_FLOAT aX,
- FX_FLOAT aY,
- FX_FLOAT bX,
- FX_FLOAT bY);
- int32_t DistanceL2(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY);
- CFX_PtrArray* CenterEdges(CBC_ResultPoint* y,
- CBC_ResultPoint* z,
- CBC_ResultPoint* x,
- CBC_ResultPoint* t);
- FX_BOOL ContainsBlackPoint(int32_t a,
- int32_t b,
- int32_t fixed,
- FX_BOOL horizontal);
- const static int32_t INIT_SIZE;
- const static int32_t CORR;
-
- CBC_CommonBitMatrix* m_image;
- int32_t m_height;
- int32_t m_width;
- int32_t m_leftInit;
- int32_t m_rightInit;
- int32_t m_downInit;
- int32_t m_upInit;
-};
-#endif
+// 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 + +#ifndef _BC_WHITERECTANLEDETECTOR_H_ +#define _BC_WHITERECTANLEDETECTOR_H_ +class CBC_CommonBitMatrix; +class CBC_ResultPoint; +class CBC_WhiteRectangleDetector { + public: + CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image); + CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image, + int32_t initSize, + int32_t x, + int32_t y); + virtual ~CBC_WhiteRectangleDetector(); + CFX_PtrArray* Detect(int32_t& e); + virtual void Init(int32_t& e); + + private: + int32_t Round(float d); + CBC_ResultPoint* GetBlackPointOnSegment(FX_FLOAT aX, + FX_FLOAT aY, + FX_FLOAT bX, + FX_FLOAT bY); + int32_t DistanceL2(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY); + CFX_PtrArray* CenterEdges(CBC_ResultPoint* y, + CBC_ResultPoint* z, + CBC_ResultPoint* x, + CBC_ResultPoint* t); + FX_BOOL ContainsBlackPoint(int32_t a, + int32_t b, + int32_t fixed, + FX_BOOL horizontal); + const static int32_t INIT_SIZE; + const static int32_t CORR; + + CBC_CommonBitMatrix* m_image; + int32_t m_height; + int32_t m_width; + int32_t m_leftInit; + int32_t m_rightInit; + int32_t m_downInit; + int32_t m_upInit; +}; +#endif diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp index a14a2d9cb5..af526a7ead 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]; + } +} diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.h b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.h index 6725636408..138163b10d 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.h +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.h @@ -1,24 +1,24 @@ -// 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
-
-#ifndef _BC_READSOLOMON_H_
-#define _BC_READSOLOMON_H_
-class CBC_ReedSolomonGF256;
-class CBC_ReedSolomonGF256Poly;
-class CBC_ReedSolomonEncoder {
- private:
- CBC_ReedSolomonGF256* m_field;
- CFX_PtrArray m_cachedGenerators;
- CBC_ReedSolomonGF256Poly* BuildGenerator(int32_t degree, int32_t& e);
-
- public:
- CBC_ReedSolomonEncoder(CBC_ReedSolomonGF256* field);
- virtual ~CBC_ReedSolomonEncoder();
-
- void Encode(CFX_Int32Array* toEncode, int32_t ecBytes, int32_t& e);
- virtual void Init();
-};
-#endif
+// 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 + +#ifndef _BC_READSOLOMON_H_ +#define _BC_READSOLOMON_H_ +class CBC_ReedSolomonGF256; +class CBC_ReedSolomonGF256Poly; +class CBC_ReedSolomonEncoder { + private: + CBC_ReedSolomonGF256* m_field; + CFX_PtrArray m_cachedGenerators; + CBC_ReedSolomonGF256Poly* BuildGenerator(int32_t degree, int32_t& e); + + public: + CBC_ReedSolomonEncoder(CBC_ReedSolomonGF256* field); + virtual ~CBC_ReedSolomonEncoder(); + + void Encode(CFX_Int32Array* toEncode, int32_t ecBytes, int32_t& e); + virtual void Init(); +}; +#endif diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp index 4ee87a4fa7..b053f2a784 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp @@ -1,239 +1,239 @@ -// 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_ReedSolomonDecoder.h"
-CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field) {
- m_field = field;
-}
-CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder() {}
-void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received,
- int32_t twoS,
- int32_t& e) {
- CBC_ReedSolomonGF256Poly poly;
- poly.Init(m_field, received, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- CFX_Int32Array syndromeCoefficients;
- syndromeCoefficients.SetSize(twoS);
- FX_BOOL dataMatrix = FALSE;
- FX_BOOL noError = TRUE;
- for (int32_t i = 0; i < twoS; i++) {
- int32_t eval = poly.EvaluateAt(m_field->Exp(dataMatrix ? i + 1 : i));
- syndromeCoefficients[twoS - 1 - i] = eval;
- if (eval != 0) {
- noError = FALSE;
- }
- }
- if (noError) {
- return;
- }
- CBC_ReedSolomonGF256Poly syndrome;
- syndrome.Init(m_field, &syndromeCoefficients, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- CBC_ReedSolomonGF256Poly* rsg = m_field->BuildMonomial(twoS, 1, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsg);
- CFX_PtrArray* pa = RunEuclideanAlgorithm(temp.get(), &syndrome, twoS, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- CBC_AutoPtr<CFX_PtrArray> sigmaOmega(pa);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma(
- (CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[0]);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega(
- (CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[1]);
- CFX_Int32Array* ia1 = FindErrorLocations(sigma.get(), e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- CBC_AutoPtr<CFX_Int32Array> errorLocations(ia1);
- CFX_Int32Array* ia2 =
- FindErrorMagnitudes(omega.get(), errorLocations.get(), dataMatrix, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- CBC_AutoPtr<CFX_Int32Array> errorMagnitudes(ia2);
- for (int32_t k = 0; k < errorLocations->GetSize(); k++) {
- int32_t position =
- received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- if (position < 0) {
- e = BCExceptionBadErrorLocation;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
- (*received)[position] = CBC_ReedSolomonGF256::AddOrSubtract(
- (*received)[position], (*errorMagnitudes)[k]);
- }
-}
-CFX_PtrArray* CBC_ReedSolomonDecoder::RunEuclideanAlgorithm(
- CBC_ReedSolomonGF256Poly* a,
- CBC_ReedSolomonGF256Poly* b,
- int32_t R,
- int32_t& e) {
- if (a->GetDegree() < b->GetDegree()) {
- CBC_ReedSolomonGF256Poly* temp = a;
- a = b;
- b = temp;
- }
- CBC_ReedSolomonGF256Poly* rsg1 = a->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rLast(rsg1);
- CBC_ReedSolomonGF256Poly* rsg2 = b->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> r(rsg2);
- CBC_ReedSolomonGF256Poly* rsg3 = m_field->GetOne()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sLast(rsg3);
- CBC_ReedSolomonGF256Poly* rsg4 = m_field->GetZero()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> s(rsg4);
- CBC_ReedSolomonGF256Poly* rsg5 = m_field->GetZero()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> tLast(rsg5);
- CBC_ReedSolomonGF256Poly* rsg6 = m_field->GetOne()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> t(rsg6);
- while (r->GetDegree() >= R / 2) {
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rLastLast = rLast;
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sLastLast = sLast;
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> tLastlast = tLast;
- rLast = r;
- sLast = s;
- tLast = t;
- if (rLast->IsZero()) {
- e = BCExceptionR_I_1IsZero;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- CBC_ReedSolomonGF256Poly* rsg7 = rLastLast->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rTemp(rsg7);
- r = rTemp;
- CBC_ReedSolomonGF256Poly* rsg8 = m_field->GetZero()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> q(rsg8);
- int32_t denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree());
- int32_t dltInverse = m_field->Inverse(denominatorLeadingTerm, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- while (r->GetDegree() >= rLast->GetDegree() && !(r->IsZero())) {
- int32_t degreeDiff = r->GetDegree() - rLast->GetDegree();
- int32_t scale =
- m_field->Multiply(r->GetCoefficients(r->GetDegree()), dltInverse);
- CBC_ReedSolomonGF256Poly* rsgp1 =
- m_field->BuildMonomial(degreeDiff, scale, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> build(rsgp1);
- CBC_ReedSolomonGF256Poly* rsgp2 = q->AddOrSubtract(build.get(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsgp2);
- q = temp;
- CBC_ReedSolomonGF256Poly* rsgp3 =
- rLast->MultiplyByMonomial(degreeDiff, scale, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> multiply(rsgp3);
- CBC_ReedSolomonGF256Poly* rsgp4 = r->AddOrSubtract(multiply.get(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp3(rsgp4);
- r = temp3;
- }
- CBC_ReedSolomonGF256Poly* rsg9 = q->Multiply(sLast.get(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp1(rsg9);
- CBC_ReedSolomonGF256Poly* rsg10 = temp1->AddOrSubtract(sLastLast.get(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp2(rsg10);
- s = temp2;
- CBC_ReedSolomonGF256Poly* rsg11 = q->Multiply(tLast.get(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp5(rsg11);
- CBC_ReedSolomonGF256Poly* rsg12 = temp5->AddOrSubtract(tLastlast.get(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp6(rsg12);
- t = temp6;
- }
- int32_t sigmaTildeAtZero = t->GetCoefficients(0);
- if (sigmaTildeAtZero == 0) {
- e = BCExceptionIsZero;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- int32_t inverse = m_field->Inverse(sigmaTildeAtZero, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_ReedSolomonGF256Poly* rsg13 = t->Multiply(inverse, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma(rsg13);
- CBC_ReedSolomonGF256Poly* rsg14 = r->Multiply(inverse, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega(rsg14);
- CFX_PtrArray* temp = new CFX_PtrArray;
- temp->Add(sigma.release());
- temp->Add(omega.release());
- return temp;
-}
-CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorLocations(
- CBC_ReedSolomonGF256Poly* errorLocator,
- int32_t& e) {
- int32_t numErrors = errorLocator->GetDegree();
- if (numErrors == 1) {
- CBC_AutoPtr<CFX_Int32Array> temp(new CFX_Int32Array);
- temp->Add(errorLocator->GetCoefficients(1));
- return temp.release();
- }
- CFX_Int32Array* tempT = new CFX_Int32Array;
- tempT->SetSize(numErrors);
- CBC_AutoPtr<CFX_Int32Array> result(tempT);
- int32_t ie = 0;
- for (int32_t i = 1; i < 256 && ie < numErrors; i++) {
- if (errorLocator->EvaluateAt(i) == 0) {
- (*result)[ie] = m_field->Inverse(i, ie);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- ie++;
- }
- }
- if (ie != numErrors) {
- e = BCExceptionDegreeNotMatchRoots;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- return result.release();
-}
-CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorMagnitudes(
- CBC_ReedSolomonGF256Poly* errorEvaluator,
- CFX_Int32Array* errorLocations,
- FX_BOOL dataMatrix,
- int32_t& e) {
- int32_t s = errorLocations->GetSize();
- CFX_Int32Array* temp = new CFX_Int32Array;
- temp->SetSize(s);
- CBC_AutoPtr<CFX_Int32Array> result(temp);
- for (int32_t i = 0; i < s; i++) {
- int32_t xiInverse = m_field->Inverse(errorLocations->operator[](i), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- int32_t denominator = 1;
- for (int32_t j = 0; j < s; j++) {
- if (i != j) {
- denominator = m_field->Multiply(
- denominator, CBC_ReedSolomonGF256::AddOrSubtract(
- 1, m_field->Multiply(errorLocations->operator[](j),
- xiInverse)));
- }
- }
- int32_t temp = m_field->Inverse(denominator, temp);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- (*result)[i] =
- m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), temp);
- }
- return result.release();
-}
+// 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_ReedSolomonDecoder.h" +CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field) { + m_field = field; +} +CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder() {} +void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received, + int32_t twoS, + int32_t& e) { + CBC_ReedSolomonGF256Poly poly; + poly.Init(m_field, received, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + CFX_Int32Array syndromeCoefficients; + syndromeCoefficients.SetSize(twoS); + FX_BOOL dataMatrix = FALSE; + FX_BOOL noError = TRUE; + for (int32_t i = 0; i < twoS; i++) { + int32_t eval = poly.EvaluateAt(m_field->Exp(dataMatrix ? i + 1 : i)); + syndromeCoefficients[twoS - 1 - i] = eval; + if (eval != 0) { + noError = FALSE; + } + } + if (noError) { + return; + } + CBC_ReedSolomonGF256Poly syndrome; + syndrome.Init(m_field, &syndromeCoefficients, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + CBC_ReedSolomonGF256Poly* rsg = m_field->BuildMonomial(twoS, 1, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsg); + CFX_PtrArray* pa = RunEuclideanAlgorithm(temp.get(), &syndrome, twoS, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + CBC_AutoPtr<CFX_PtrArray> sigmaOmega(pa); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma( + (CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[0]); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega( + (CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[1]); + CFX_Int32Array* ia1 = FindErrorLocations(sigma.get(), e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + CBC_AutoPtr<CFX_Int32Array> errorLocations(ia1); + CFX_Int32Array* ia2 = + FindErrorMagnitudes(omega.get(), errorLocations.get(), dataMatrix, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + CBC_AutoPtr<CFX_Int32Array> errorMagnitudes(ia2); + for (int32_t k = 0; k < errorLocations->GetSize(); k++) { + int32_t position = + received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + if (position < 0) { + e = BCExceptionBadErrorLocation; + BC_EXCEPTION_CHECK_ReturnVoid(e); + } + (*received)[position] = CBC_ReedSolomonGF256::AddOrSubtract( + (*received)[position], (*errorMagnitudes)[k]); + } +} +CFX_PtrArray* CBC_ReedSolomonDecoder::RunEuclideanAlgorithm( + CBC_ReedSolomonGF256Poly* a, + CBC_ReedSolomonGF256Poly* b, + int32_t R, + int32_t& e) { + if (a->GetDegree() < b->GetDegree()) { + CBC_ReedSolomonGF256Poly* temp = a; + a = b; + b = temp; + } + CBC_ReedSolomonGF256Poly* rsg1 = a->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rLast(rsg1); + CBC_ReedSolomonGF256Poly* rsg2 = b->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> r(rsg2); + CBC_ReedSolomonGF256Poly* rsg3 = m_field->GetOne()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sLast(rsg3); + CBC_ReedSolomonGF256Poly* rsg4 = m_field->GetZero()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> s(rsg4); + CBC_ReedSolomonGF256Poly* rsg5 = m_field->GetZero()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> tLast(rsg5); + CBC_ReedSolomonGF256Poly* rsg6 = m_field->GetOne()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> t(rsg6); + while (r->GetDegree() >= R / 2) { + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rLastLast = rLast; + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sLastLast = sLast; + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> tLastlast = tLast; + rLast = r; + sLast = s; + tLast = t; + if (rLast->IsZero()) { + e = BCExceptionR_I_1IsZero; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + CBC_ReedSolomonGF256Poly* rsg7 = rLastLast->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> rTemp(rsg7); + r = rTemp; + CBC_ReedSolomonGF256Poly* rsg8 = m_field->GetZero()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> q(rsg8); + int32_t denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree()); + int32_t dltInverse = m_field->Inverse(denominatorLeadingTerm, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + while (r->GetDegree() >= rLast->GetDegree() && !(r->IsZero())) { + int32_t degreeDiff = r->GetDegree() - rLast->GetDegree(); + int32_t scale = + m_field->Multiply(r->GetCoefficients(r->GetDegree()), dltInverse); + CBC_ReedSolomonGF256Poly* rsgp1 = + m_field->BuildMonomial(degreeDiff, scale, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> build(rsgp1); + CBC_ReedSolomonGF256Poly* rsgp2 = q->AddOrSubtract(build.get(), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsgp2); + q = temp; + CBC_ReedSolomonGF256Poly* rsgp3 = + rLast->MultiplyByMonomial(degreeDiff, scale, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> multiply(rsgp3); + CBC_ReedSolomonGF256Poly* rsgp4 = r->AddOrSubtract(multiply.get(), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp3(rsgp4); + r = temp3; + } + CBC_ReedSolomonGF256Poly* rsg9 = q->Multiply(sLast.get(), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp1(rsg9); + CBC_ReedSolomonGF256Poly* rsg10 = temp1->AddOrSubtract(sLastLast.get(), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp2(rsg10); + s = temp2; + CBC_ReedSolomonGF256Poly* rsg11 = q->Multiply(tLast.get(), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp5(rsg11); + CBC_ReedSolomonGF256Poly* rsg12 = temp5->AddOrSubtract(tLastlast.get(), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp6(rsg12); + t = temp6; + } + int32_t sigmaTildeAtZero = t->GetCoefficients(0); + if (sigmaTildeAtZero == 0) { + e = BCExceptionIsZero; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + int32_t inverse = m_field->Inverse(sigmaTildeAtZero, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_ReedSolomonGF256Poly* rsg13 = t->Multiply(inverse, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma(rsg13); + CBC_ReedSolomonGF256Poly* rsg14 = r->Multiply(inverse, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega(rsg14); + CFX_PtrArray* temp = new CFX_PtrArray; + temp->Add(sigma.release()); + temp->Add(omega.release()); + return temp; +} +CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorLocations( + CBC_ReedSolomonGF256Poly* errorLocator, + int32_t& e) { + int32_t numErrors = errorLocator->GetDegree(); + if (numErrors == 1) { + CBC_AutoPtr<CFX_Int32Array> temp(new CFX_Int32Array); + temp->Add(errorLocator->GetCoefficients(1)); + return temp.release(); + } + CFX_Int32Array* tempT = new CFX_Int32Array; + tempT->SetSize(numErrors); + CBC_AutoPtr<CFX_Int32Array> result(tempT); + int32_t ie = 0; + for (int32_t i = 1; i < 256 && ie < numErrors; i++) { + if (errorLocator->EvaluateAt(i) == 0) { + (*result)[ie] = m_field->Inverse(i, ie); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + ie++; + } + } + if (ie != numErrors) { + e = BCExceptionDegreeNotMatchRoots; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + return result.release(); +} +CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorMagnitudes( + CBC_ReedSolomonGF256Poly* errorEvaluator, + CFX_Int32Array* errorLocations, + FX_BOOL dataMatrix, + int32_t& e) { + int32_t s = errorLocations->GetSize(); + CFX_Int32Array* temp = new CFX_Int32Array; + temp->SetSize(s); + CBC_AutoPtr<CFX_Int32Array> result(temp); + for (int32_t i = 0; i < s; i++) { + int32_t xiInverse = m_field->Inverse(errorLocations->operator[](i), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + int32_t denominator = 1; + for (int32_t j = 0; j < s; j++) { + if (i != j) { + denominator = m_field->Multiply( + denominator, CBC_ReedSolomonGF256::AddOrSubtract( + 1, m_field->Multiply(errorLocations->operator[](j), + xiInverse))); + } + } + int32_t temp = m_field->Inverse(denominator, temp); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + (*result)[i] = + m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), temp); + } + return result.release(); +} diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h index 747755c011..e230a3af74 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h @@ -1,30 +1,30 @@ -// 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
-
-#ifndef _BC_REEDSOLOMONDECODER_H_
-#define _BC_REEDSOLOMONDECODER_H_
-class CBC_ReedSolomonGF256;
-class CBC_ReedSolomonGF256Poly;
-class CBC_ReedSolomonDecoder {
- private:
- CBC_ReedSolomonGF256* m_field;
-
- public:
- CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field);
- virtual ~CBC_ReedSolomonDecoder();
- void Decode(CFX_Int32Array* received, int32_t twoS, int32_t& e);
- CFX_PtrArray* RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a,
- CBC_ReedSolomonGF256Poly* b,
- int32_t R,
- int32_t& e);
- CFX_Int32Array* FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator,
- int32_t& e);
- CFX_Int32Array* FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator,
- CFX_Int32Array* errorLocations,
- FX_BOOL dataMatrix,
- int32_t& e);
-};
-#endif
+// 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 + +#ifndef _BC_REEDSOLOMONDECODER_H_ +#define _BC_REEDSOLOMONDECODER_H_ +class CBC_ReedSolomonGF256; +class CBC_ReedSolomonGF256Poly; +class CBC_ReedSolomonDecoder { + private: + CBC_ReedSolomonGF256* m_field; + + public: + CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field); + virtual ~CBC_ReedSolomonDecoder(); + void Decode(CFX_Int32Array* received, int32_t twoS, int32_t& e); + CFX_PtrArray* RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a, + CBC_ReedSolomonGF256Poly* b, + int32_t R, + int32_t& e); + CFX_Int32Array* FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator, + int32_t& e); + CFX_Int32Array* FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator, + CFX_Int32Array* errorLocations, + FX_BOOL dataMatrix, + int32_t& e); +}; +#endif diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp index 0957ca51b7..97aa70d786 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp @@ -1,130 +1,130 @@ -// 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_ReedSolomonGF256Poly.h"
-#include "BC_ReedSolomonGF256.h"
-CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::QRCodeFild = NULL;
-CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::DataMatrixField = NULL;
-void CBC_ReedSolomonGF256::Initialize() {
- QRCodeFild = new CBC_ReedSolomonGF256(0x011D);
- QRCodeFild->Init();
- DataMatrixField = new CBC_ReedSolomonGF256(0x012D);
- DataMatrixField->Init();
-}
-void CBC_ReedSolomonGF256::Finalize() {
- if (QRCodeFild) {
- delete QRCodeFild;
- }
- QRCodeFild = NULL;
- if (DataMatrixField) {
- delete DataMatrixField;
- }
- DataMatrixField = NULL;
-}
-CBC_ReedSolomonGF256::CBC_ReedSolomonGF256(int32_t primitive) {
- int32_t x = 1;
- for (int32_t j = 0; j < 256; j++) {
- m_expTable[j] = x;
- x <<= 1;
- if (x >= 0x100) {
- x ^= primitive;
- }
- }
- for (int32_t i = 0; i < 255; i++) {
- m_logTable[m_expTable[i]] = i;
- }
- m_logTable[0] = 0;
-}
-void CBC_ReedSolomonGF256::Init() {
- m_zero = new CBC_ReedSolomonGF256Poly(this, 0);
- m_one = new CBC_ReedSolomonGF256Poly(this, 1);
-}
-CBC_ReedSolomonGF256::~CBC_ReedSolomonGF256() {
- if (m_zero != NULL) {
- delete m_zero;
- m_zero = NULL;
- }
- if (m_one != NULL) {
- delete m_one;
- m_one = NULL;
- }
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetZero() {
- return m_zero;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetOne() {
- return m_one;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::BuildMonomial(
- int32_t degree,
- int32_t coefficient,
- int32_t& e) {
- if (degree < 0) {
- e = BCExceptionDegreeIsNegative;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- if (coefficient == 0) {
- CBC_ReedSolomonGF256Poly* temp = m_zero->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
- }
- CFX_Int32Array coefficients;
- coefficients.SetSize(degree + 1);
- coefficients[0] = coefficient;
- CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
- temp->Init(this, &coefficients, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
-}
-int32_t CBC_ReedSolomonGF256::AddOrSubtract(int32_t a, int32_t b) {
- return a ^ b;
-}
-int32_t CBC_ReedSolomonGF256::Exp(int32_t a) {
- return m_expTable[a];
-}
-int32_t CBC_ReedSolomonGF256::Log(int32_t a, int32_t& e) {
- if (a == 0) {
- e = BCExceptionAIsZero;
- BC_EXCEPTION_CHECK_ReturnValue(e, 0);
- }
- return m_logTable[a];
-}
-int32_t CBC_ReedSolomonGF256::Inverse(int32_t a, int32_t& e) {
- if (a == 0) {
- e = BCExceptionAIsZero;
- BC_EXCEPTION_CHECK_ReturnValue(e, 0);
- }
- return m_expTable[255 - m_logTable[a]];
-}
-int32_t CBC_ReedSolomonGF256::Multiply(int32_t a, int32_t b) {
- if (a == 0 || b == 0) {
- return 0;
- }
- if (a == 1) {
- return b;
- }
- if (b == 1) {
- return a;
- }
- return m_expTable[(m_logTable[a] + m_logTable[b]) % 255];
-}
+// 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_ReedSolomonGF256Poly.h" +#include "BC_ReedSolomonGF256.h" +CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::QRCodeFild = NULL; +CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::DataMatrixField = NULL; +void CBC_ReedSolomonGF256::Initialize() { + QRCodeFild = new CBC_ReedSolomonGF256(0x011D); + QRCodeFild->Init(); + DataMatrixField = new CBC_ReedSolomonGF256(0x012D); + DataMatrixField->Init(); +} +void CBC_ReedSolomonGF256::Finalize() { + if (QRCodeFild) { + delete QRCodeFild; + } + QRCodeFild = NULL; + if (DataMatrixField) { + delete DataMatrixField; + } + DataMatrixField = NULL; +} +CBC_ReedSolomonGF256::CBC_ReedSolomonGF256(int32_t primitive) { + int32_t x = 1; + for (int32_t j = 0; j < 256; j++) { + m_expTable[j] = x; + x <<= 1; + if (x >= 0x100) { + x ^= primitive; + } + } + for (int32_t i = 0; i < 255; i++) { + m_logTable[m_expTable[i]] = i; + } + m_logTable[0] = 0; +} +void CBC_ReedSolomonGF256::Init() { + m_zero = new CBC_ReedSolomonGF256Poly(this, 0); + m_one = new CBC_ReedSolomonGF256Poly(this, 1); +} +CBC_ReedSolomonGF256::~CBC_ReedSolomonGF256() { + if (m_zero != NULL) { + delete m_zero; + m_zero = NULL; + } + if (m_one != NULL) { + delete m_one; + m_one = NULL; + } +} +CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetZero() { + return m_zero; +} +CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetOne() { + return m_one; +} +CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::BuildMonomial( + int32_t degree, + int32_t coefficient, + int32_t& e) { + if (degree < 0) { + e = BCExceptionDegreeIsNegative; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + if (coefficient == 0) { + CBC_ReedSolomonGF256Poly* temp = m_zero->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; + } + CFX_Int32Array coefficients; + coefficients.SetSize(degree + 1); + coefficients[0] = coefficient; + CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly(); + temp->Init(this, &coefficients, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; +} +int32_t CBC_ReedSolomonGF256::AddOrSubtract(int32_t a, int32_t b) { + return a ^ b; +} +int32_t CBC_ReedSolomonGF256::Exp(int32_t a) { + return m_expTable[a]; +} +int32_t CBC_ReedSolomonGF256::Log(int32_t a, int32_t& e) { + if (a == 0) { + e = BCExceptionAIsZero; + BC_EXCEPTION_CHECK_ReturnValue(e, 0); + } + return m_logTable[a]; +} +int32_t CBC_ReedSolomonGF256::Inverse(int32_t a, int32_t& e) { + if (a == 0) { + e = BCExceptionAIsZero; + BC_EXCEPTION_CHECK_ReturnValue(e, 0); + } + return m_expTable[255 - m_logTable[a]]; +} +int32_t CBC_ReedSolomonGF256::Multiply(int32_t a, int32_t b) { + if (a == 0 || b == 0) { + return 0; + } + if (a == 1) { + return b; + } + if (b == 1) { + return a; + } + return m_expTable[(m_logTable[a] + m_logTable[b]) % 255]; +} diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h index 58e2f9ec3e..d414f13d3c 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h @@ -1,36 +1,36 @@ -// 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
-
-#ifndef _BC_REEDSOLOMONGF256_H_
-#define _BC_REEDSOLOMONGF256_H_
-class CBC_ReedSolomonGF256Poly;
-class CBC_ReedSolomonGF256 {
- public:
- static void Initialize();
- static void Finalize();
- static CBC_ReedSolomonGF256* QRCodeFild;
- static CBC_ReedSolomonGF256* DataMatrixField;
- CBC_ReedSolomonGF256(int32_t primitive);
- virtual ~CBC_ReedSolomonGF256();
- CBC_ReedSolomonGF256Poly* GetZero();
- CBC_ReedSolomonGF256Poly* GetOne();
- CBC_ReedSolomonGF256Poly* BuildMonomial(int32_t degree,
- int32_t coefficient,
- int32_t& e);
- static int32_t AddOrSubtract(int32_t a, int32_t b);
- int32_t Exp(int32_t a);
- int32_t Log(int32_t a, int32_t& e);
- int32_t Inverse(int32_t a, int32_t& e);
- int32_t Multiply(int32_t a, int32_t b);
- virtual void Init();
-
- private:
- int32_t m_expTable[256];
- int32_t m_logTable[256];
- CBC_ReedSolomonGF256Poly* m_zero;
- CBC_ReedSolomonGF256Poly* m_one;
-};
-#endif
+// 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 + +#ifndef _BC_REEDSOLOMONGF256_H_ +#define _BC_REEDSOLOMONGF256_H_ +class CBC_ReedSolomonGF256Poly; +class CBC_ReedSolomonGF256 { + public: + static void Initialize(); + static void Finalize(); + static CBC_ReedSolomonGF256* QRCodeFild; + static CBC_ReedSolomonGF256* DataMatrixField; + CBC_ReedSolomonGF256(int32_t primitive); + virtual ~CBC_ReedSolomonGF256(); + CBC_ReedSolomonGF256Poly* GetZero(); + CBC_ReedSolomonGF256Poly* GetOne(); + CBC_ReedSolomonGF256Poly* BuildMonomial(int32_t degree, + int32_t coefficient, + int32_t& e); + static int32_t AddOrSubtract(int32_t a, int32_t b); + int32_t Exp(int32_t a); + int32_t Log(int32_t a, int32_t& e); + int32_t Inverse(int32_t a, int32_t& e); + int32_t Multiply(int32_t a, int32_t b); + virtual void Init(); + + private: + int32_t m_expTable[256]; + int32_t m_logTable[256]; + CBC_ReedSolomonGF256Poly* m_zero; + CBC_ReedSolomonGF256Poly* m_one; +}; +#endif diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp index f87cd5ba86..b1eed008cf 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp @@ -1,259 +1,259 @@ -// 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"
-CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field,
- int32_t coefficients) {
- if (field == NULL) {
- return;
- }
- m_field = field;
- m_coefficients.Add(coefficients);
-}
-CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly() {
- m_field = NULL;
-}
-void CBC_ReedSolomonGF256Poly::Init(CBC_ReedSolomonGF256* field,
- CFX_Int32Array* coefficients,
- int32_t& e) {
- if (coefficients == NULL || coefficients->GetSize() == 0) {
- e = BCExceptionCoefficientsSizeIsNull;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
- m_field = field;
- int32_t coefficientsLength = coefficients->GetSize();
- if ((coefficientsLength > 1 && (*coefficients)[0] == 0)) {
- int32_t firstNonZero = 1;
- while ((firstNonZero < coefficientsLength) &&
- ((*coefficients)[firstNonZero] == 0)) {
- firstNonZero++;
- }
- if (firstNonZero == coefficientsLength) {
- m_coefficients.Copy(*(m_field->GetZero()->GetCoefficients()));
- } else {
- m_coefficients.SetSize(coefficientsLength - firstNonZero);
- for (int32_t i = firstNonZero, j = 0; i < coefficientsLength; i++, j++) {
- m_coefficients[j] = coefficients->operator[](i);
- }
- }
- } else {
- m_coefficients.Copy(*coefficients);
- }
-}
-CFX_Int32Array* CBC_ReedSolomonGF256Poly::GetCoefficients() {
- return &m_coefficients;
-}
-int32_t CBC_ReedSolomonGF256Poly::GetDegree() {
- return m_coefficients.GetSize() - 1;
-}
-FX_BOOL CBC_ReedSolomonGF256Poly::IsZero() {
- return m_coefficients[0] == 0;
-}
-int32_t CBC_ReedSolomonGF256Poly::GetCoefficients(int32_t degree) {
- return m_coefficients[m_coefficients.GetSize() - 1 - degree];
-}
-int32_t CBC_ReedSolomonGF256Poly::EvaluateAt(int32_t a) {
- if (a == 0) {
- return GetCoefficients(0);
- }
- int32_t size = m_coefficients.GetSize();
- if (a == 1) {
- int32_t result = 0;
- for (int32_t i = 0; i < size; i++) {
- result = CBC_ReedSolomonGF256::AddOrSubtract(result, m_coefficients[i]);
- }
- return result;
- }
- int32_t result = m_coefficients[0];
- for (int32_t j = 1; j < size; j++) {
- result = CBC_ReedSolomonGF256::AddOrSubtract(m_field->Multiply(a, result),
- m_coefficients[j]);
- }
- return result;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Clone(int32_t& e) {
- CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
- temp->Init(m_field, &m_coefficients, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::AddOrSubtract(
- CBC_ReedSolomonGF256Poly* other,
- int32_t& e) {
- if (IsZero()) {
- return other->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- if (other->IsZero()) {
- return this->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- CFX_Int32Array smallerCoefficients;
- smallerCoefficients.Copy(m_coefficients);
- CFX_Int32Array largerCoefficients;
- largerCoefficients.Copy(*(other->GetCoefficients()));
- if (smallerCoefficients.GetSize() > largerCoefficients.GetSize()) {
- CFX_Int32Array temp;
- temp.Copy(smallerCoefficients);
- smallerCoefficients.Copy(largerCoefficients);
- largerCoefficients.Copy(temp);
- }
- CFX_Int32Array sumDiff;
- sumDiff.SetSize(largerCoefficients.GetSize());
- int32_t lengthDiff =
- largerCoefficients.GetSize() - smallerCoefficients.GetSize();
- for (int32_t i = 0; i < lengthDiff; i++) {
- sumDiff[i] = largerCoefficients[i];
- }
- for (int32_t j = lengthDiff; j < largerCoefficients.GetSize(); j++) {
- sumDiff[j] = (CBC_ReedSolomonGF256::AddOrSubtract(
- smallerCoefficients[j - lengthDiff], largerCoefficients[j]));
- }
- CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
- temp->Init(m_field, &sumDiff, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(
- CBC_ReedSolomonGF256Poly* other,
- int32_t& e) {
- if (IsZero() || other->IsZero()) {
- CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
- }
- CFX_Int32Array aCoefficients;
- aCoefficients.Copy(m_coefficients);
- int32_t aLength = m_coefficients.GetSize();
- CFX_Int32Array bCoefficients;
- bCoefficients.Copy(*(other->GetCoefficients()));
- int32_t bLength = other->GetCoefficients()->GetSize();
- CFX_Int32Array product;
- product.SetSize(aLength + bLength - 1);
- for (int32_t i = 0; i < aLength; i++) {
- int32_t aCoeff = m_coefficients[i];
- for (int32_t j = 0; j < bLength; j++) {
- product[i + j] = CBC_ReedSolomonGF256::AddOrSubtract(
- product[i + j],
- m_field->Multiply(aCoeff, other->GetCoefficients()->operator[](j)));
- }
- }
- CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
- temp->Init(m_field, &product, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(int32_t scalar,
- int32_t& e) {
- if (scalar == 0) {
- CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
- }
- if (scalar == 1) {
- return this->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- int32_t size = m_coefficients.GetSize();
- CFX_Int32Array product;
- product.SetSize(size);
- for (int32_t i = 0; i < size; i++) {
- product[i] = m_field->Multiply(m_coefficients[i], scalar);
- }
- CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
- temp->Init(m_field, &product, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::MultiplyByMonomial(
- int32_t degree,
- int32_t coefficient,
- int32_t& e) {
- if (degree < 0) {
- e = BCExceptionDegreeIsNegative;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- if (coefficient == 0) {
- CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
- }
- int32_t size = m_coefficients.GetSize();
- CFX_Int32Array product;
- product.SetSize(size + degree);
- for (int32_t i = 0; i < size; i++) {
- product[i] = (m_field->Multiply(m_coefficients[i], coefficient));
- }
- CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
- temp->Init(m_field, &product, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return temp;
-}
-CFX_PtrArray* CBC_ReedSolomonGF256Poly::Divide(CBC_ReedSolomonGF256Poly* other,
- int32_t& e) {
- if (other->IsZero()) {
- e = BCExceptionDivideByZero;
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- }
- CBC_ReedSolomonGF256Poly* rsg1 = m_field->GetZero()->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> quotient(rsg1);
- CBC_ReedSolomonGF256Poly* rsg2 = this->Clone(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> remainder(rsg2);
- int32_t denominatorLeadingTerm = other->GetCoefficients(other->GetDegree());
- int32_t inverseDenominatorLeadingTeam =
- m_field->Inverse(denominatorLeadingTerm, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- while (remainder->GetDegree() >= other->GetDegree() && !remainder->IsZero()) {
- int32_t degreeDifference = remainder->GetDegree() - other->GetDegree();
- int32_t scale =
- m_field->Multiply(remainder->GetCoefficients((remainder->GetDegree())),
- inverseDenominatorLeadingTeam);
- CBC_ReedSolomonGF256Poly* rsg3 =
- other->MultiplyByMonomial(degreeDifference, scale, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> term(rsg3);
- CBC_ReedSolomonGF256Poly* rsg4 =
- m_field->BuildMonomial(degreeDifference, scale, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> iteratorQuotient(rsg4);
- CBC_ReedSolomonGF256Poly* rsg5 =
- quotient->AddOrSubtract(iteratorQuotient.get(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsg5);
- quotient = temp;
- CBC_ReedSolomonGF256Poly* rsg6 = remainder->AddOrSubtract(term.get(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp1(rsg6);
- remainder = temp1;
- }
- CFX_PtrArray* tempPtrA = new CFX_PtrArray;
- tempPtrA->Add(quotient.release());
- tempPtrA->Add(remainder.release());
- return tempPtrA;
-}
-CBC_ReedSolomonGF256Poly::~CBC_ReedSolomonGF256Poly() {
- m_coefficients.RemoveAll();
-}
+// 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" +CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, + int32_t coefficients) { + if (field == NULL) { + return; + } + m_field = field; + m_coefficients.Add(coefficients); +} +CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly() { + m_field = NULL; +} +void CBC_ReedSolomonGF256Poly::Init(CBC_ReedSolomonGF256* field, + CFX_Int32Array* coefficients, + int32_t& e) { + if (coefficients == NULL || coefficients->GetSize() == 0) { + e = BCExceptionCoefficientsSizeIsNull; + BC_EXCEPTION_CHECK_ReturnVoid(e); + } + m_field = field; + int32_t coefficientsLength = coefficients->GetSize(); + if ((coefficientsLength > 1 && (*coefficients)[0] == 0)) { + int32_t firstNonZero = 1; + while ((firstNonZero < coefficientsLength) && + ((*coefficients)[firstNonZero] == 0)) { + firstNonZero++; + } + if (firstNonZero == coefficientsLength) { + m_coefficients.Copy(*(m_field->GetZero()->GetCoefficients())); + } else { + m_coefficients.SetSize(coefficientsLength - firstNonZero); + for (int32_t i = firstNonZero, j = 0; i < coefficientsLength; i++, j++) { + m_coefficients[j] = coefficients->operator[](i); + } + } + } else { + m_coefficients.Copy(*coefficients); + } +} +CFX_Int32Array* CBC_ReedSolomonGF256Poly::GetCoefficients() { + return &m_coefficients; +} +int32_t CBC_ReedSolomonGF256Poly::GetDegree() { + return m_coefficients.GetSize() - 1; +} +FX_BOOL CBC_ReedSolomonGF256Poly::IsZero() { + return m_coefficients[0] == 0; +} +int32_t CBC_ReedSolomonGF256Poly::GetCoefficients(int32_t degree) { + return m_coefficients[m_coefficients.GetSize() - 1 - degree]; +} +int32_t CBC_ReedSolomonGF256Poly::EvaluateAt(int32_t a) { + if (a == 0) { + return GetCoefficients(0); + } + int32_t size = m_coefficients.GetSize(); + if (a == 1) { + int32_t result = 0; + for (int32_t i = 0; i < size; i++) { + result = CBC_ReedSolomonGF256::AddOrSubtract(result, m_coefficients[i]); + } + return result; + } + int32_t result = m_coefficients[0]; + for (int32_t j = 1; j < size; j++) { + result = CBC_ReedSolomonGF256::AddOrSubtract(m_field->Multiply(a, result), + m_coefficients[j]); + } + return result; +} +CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Clone(int32_t& e) { + CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly(); + temp->Init(m_field, &m_coefficients, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; +} +CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::AddOrSubtract( + CBC_ReedSolomonGF256Poly* other, + int32_t& e) { + if (IsZero()) { + return other->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + if (other->IsZero()) { + return this->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + CFX_Int32Array smallerCoefficients; + smallerCoefficients.Copy(m_coefficients); + CFX_Int32Array largerCoefficients; + largerCoefficients.Copy(*(other->GetCoefficients())); + if (smallerCoefficients.GetSize() > largerCoefficients.GetSize()) { + CFX_Int32Array temp; + temp.Copy(smallerCoefficients); + smallerCoefficients.Copy(largerCoefficients); + largerCoefficients.Copy(temp); + } + CFX_Int32Array sumDiff; + sumDiff.SetSize(largerCoefficients.GetSize()); + int32_t lengthDiff = + largerCoefficients.GetSize() - smallerCoefficients.GetSize(); + for (int32_t i = 0; i < lengthDiff; i++) { + sumDiff[i] = largerCoefficients[i]; + } + for (int32_t j = lengthDiff; j < largerCoefficients.GetSize(); j++) { + sumDiff[j] = (CBC_ReedSolomonGF256::AddOrSubtract( + smallerCoefficients[j - lengthDiff], largerCoefficients[j])); + } + CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly(); + temp->Init(m_field, &sumDiff, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; +} +CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply( + CBC_ReedSolomonGF256Poly* other, + int32_t& e) { + if (IsZero() || other->IsZero()) { + CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; + } + CFX_Int32Array aCoefficients; + aCoefficients.Copy(m_coefficients); + int32_t aLength = m_coefficients.GetSize(); + CFX_Int32Array bCoefficients; + bCoefficients.Copy(*(other->GetCoefficients())); + int32_t bLength = other->GetCoefficients()->GetSize(); + CFX_Int32Array product; + product.SetSize(aLength + bLength - 1); + for (int32_t i = 0; i < aLength; i++) { + int32_t aCoeff = m_coefficients[i]; + for (int32_t j = 0; j < bLength; j++) { + product[i + j] = CBC_ReedSolomonGF256::AddOrSubtract( + product[i + j], + m_field->Multiply(aCoeff, other->GetCoefficients()->operator[](j))); + } + } + CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly(); + temp->Init(m_field, &product, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; +} +CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(int32_t scalar, + int32_t& e) { + if (scalar == 0) { + CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; + } + if (scalar == 1) { + return this->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + int32_t size = m_coefficients.GetSize(); + CFX_Int32Array product; + product.SetSize(size); + for (int32_t i = 0; i < size; i++) { + product[i] = m_field->Multiply(m_coefficients[i], scalar); + } + CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly(); + temp->Init(m_field, &product, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; +} +CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::MultiplyByMonomial( + int32_t degree, + int32_t coefficient, + int32_t& e) { + if (degree < 0) { + e = BCExceptionDegreeIsNegative; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + if (coefficient == 0) { + CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; + } + int32_t size = m_coefficients.GetSize(); + CFX_Int32Array product; + product.SetSize(size + degree); + for (int32_t i = 0; i < size; i++) { + product[i] = (m_field->Multiply(m_coefficients[i], coefficient)); + } + CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly(); + temp->Init(m_field, &product, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return temp; +} +CFX_PtrArray* CBC_ReedSolomonGF256Poly::Divide(CBC_ReedSolomonGF256Poly* other, + int32_t& e) { + if (other->IsZero()) { + e = BCExceptionDivideByZero; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + CBC_ReedSolomonGF256Poly* rsg1 = m_field->GetZero()->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> quotient(rsg1); + CBC_ReedSolomonGF256Poly* rsg2 = this->Clone(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> remainder(rsg2); + int32_t denominatorLeadingTerm = other->GetCoefficients(other->GetDegree()); + int32_t inverseDenominatorLeadingTeam = + m_field->Inverse(denominatorLeadingTerm, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + while (remainder->GetDegree() >= other->GetDegree() && !remainder->IsZero()) { + int32_t degreeDifference = remainder->GetDegree() - other->GetDegree(); + int32_t scale = + m_field->Multiply(remainder->GetCoefficients((remainder->GetDegree())), + inverseDenominatorLeadingTeam); + CBC_ReedSolomonGF256Poly* rsg3 = + other->MultiplyByMonomial(degreeDifference, scale, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> term(rsg3); + CBC_ReedSolomonGF256Poly* rsg4 = + m_field->BuildMonomial(degreeDifference, scale, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> iteratorQuotient(rsg4); + CBC_ReedSolomonGF256Poly* rsg5 = + quotient->AddOrSubtract(iteratorQuotient.get(), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsg5); + quotient = temp; + CBC_ReedSolomonGF256Poly* rsg6 = remainder->AddOrSubtract(term.get(), e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp1(rsg6); + remainder = temp1; + } + CFX_PtrArray* tempPtrA = new CFX_PtrArray; + tempPtrA->Add(quotient.release()); + tempPtrA->Add(remainder.release()); + return tempPtrA; +} +CBC_ReedSolomonGF256Poly::~CBC_ReedSolomonGF256Poly() { + m_coefficients.RemoveAll(); +} diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h index 9f1a5dfac7..2ff7602eba 100644 --- a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h @@ -1,38 +1,38 @@ -// 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
-
-#ifndef _BC_READSOLOMONGF256POLY_H_
-#define _BC_READSOLOMONGF256POLY_H_
-class CBC_ReedSolomonGF256;
-class CBC_ReedSolomonGF256Poly {
- public:
- CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients);
- CBC_ReedSolomonGF256Poly();
- virtual ~CBC_ReedSolomonGF256Poly();
- int32_t GetCoefficients(int32_t degree);
- CFX_Int32Array* GetCoefficients();
- int32_t GetDegree();
- FX_BOOL IsZero();
- int32_t EvaluateAt(int32_t a);
- CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other,
- int32_t& e);
- CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other,
- int32_t& e);
- CBC_ReedSolomonGF256Poly* Multiply(int32_t scalar, int32_t& e);
- CBC_ReedSolomonGF256Poly* MultiplyByMonomial(int32_t degree,
- int32_t coefficient,
- int32_t& e);
- CFX_PtrArray* Divide(CBC_ReedSolomonGF256Poly* other, int32_t& e);
- CBC_ReedSolomonGF256Poly* Clone(int32_t& e);
- virtual void Init(CBC_ReedSolomonGF256* field,
- CFX_Int32Array* coefficients,
- int32_t& e);
-
- private:
- CBC_ReedSolomonGF256* m_field;
- CFX_Int32Array m_coefficients;
-};
-#endif
+// 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 + +#ifndef _BC_READSOLOMONGF256POLY_H_ +#define _BC_READSOLOMONGF256POLY_H_ +class CBC_ReedSolomonGF256; +class CBC_ReedSolomonGF256Poly { + public: + CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients); + CBC_ReedSolomonGF256Poly(); + virtual ~CBC_ReedSolomonGF256Poly(); + int32_t GetCoefficients(int32_t degree); + CFX_Int32Array* GetCoefficients(); + int32_t GetDegree(); + FX_BOOL IsZero(); + int32_t EvaluateAt(int32_t a); + CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other, + int32_t& e); + CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other, + int32_t& e); + CBC_ReedSolomonGF256Poly* Multiply(int32_t scalar, int32_t& e); + CBC_ReedSolomonGF256Poly* MultiplyByMonomial(int32_t degree, + int32_t coefficient, + int32_t& e); + CFX_PtrArray* Divide(CBC_ReedSolomonGF256Poly* other, int32_t& e); + CBC_ReedSolomonGF256Poly* Clone(int32_t& e); + virtual void Init(CBC_ReedSolomonGF256* field, + CFX_Int32Array* coefficients, + int32_t& e); + + private: + CBC_ReedSolomonGF256* m_field; + CFX_Int32Array m_coefficients; +}; +#endif |