diff options
Diffstat (limited to 'xfa/src/fxbarcode/common')
30 files changed, 2438 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp b/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp new file mode 100644 index 0000000000..6263affbe8 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonBitArray.cpp @@ -0,0 +1,124 @@ +// 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 "../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(FX_INT32 size)
+{
+ m_bits.SetSize((size + 31) >> 5);
+ m_size = size;
+}
+CBC_CommonBitArray::~CBC_CommonBitArray()
+{
+ m_size = 0;
+}
+FX_INT32 CBC_CommonBitArray::GetSize()
+{
+ return m_size;
+}
+CFX_Int32Array& CBC_CommonBitArray::GetBits()
+{
+ return m_bits;
+}
+FX_INT32 CBC_CommonBitArray::GetSizeInBytes()
+{
+ return (m_size + 7) >> 3;
+}
+FX_BOOL CBC_CommonBitArray::Get(FX_INT32 i)
+{
+ return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0;
+}
+void CBC_CommonBitArray::Set(FX_INT32 i)
+{
+ m_bits[i >> 5] |= 1 << (i & 0x1F);
+}
+void CBC_CommonBitArray::Flip(FX_INT32 i)
+{
+ m_bits[i >> 5] ^= 1 << (i & 0x1F);
+}
+void CBC_CommonBitArray::SetBulk(FX_INT32 i, FX_INT32 newBits)
+{
+ m_bits[i >> 5] = newBits;
+}
+void CBC_CommonBitArray::Clear()
+{
+ FXSYS_memset32(&m_bits[0], 0x00, m_bits.GetSize() * sizeof(FX_INT32));
+}
+FX_BOOL CBC_CommonBitArray::IsRange(FX_INT32 start, FX_INT32 end, FX_BOOL value, FX_INT32 &e)
+{
+ if (end < start) {
+ e = BCExceptionEndLessThanStart;
+ return FALSE;
+ }
+ if (end == start) {
+ return TRUE;
+ }
+ end--;
+ FX_INT32 firstInt = start >> 5;
+ FX_INT32 lastInt = end >> 5;
+ FX_INT32 i;
+ for (i = firstInt; i <= lastInt; i++) {
+ FX_INT32 firstBit = i > firstInt ? 0 : start & 0x1F;
+ FX_INT32 lastBit = i < lastInt ? 31 : end & 0x1F;
+ FX_INT32 mask;
+ if (firstBit == 0 && lastBit == 31) {
+ mask = -1;
+ } else {
+ mask = 0;
+ for (FX_INT32 j = firstBit; j <= lastBit; j++) {
+ mask |= 1 << j;
+ }
+ }
+ if ((m_bits[i] & mask) != (value ? mask : 0)) {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+FX_INT32* CBC_CommonBitArray::GetBitArray()
+{
+ return &m_bits[0];
+}
+void CBC_CommonBitArray::Reverse()
+{
+ FX_INT32* newBits = FX_Alloc(FX_INT32, m_bits.GetSize());
+ FXSYS_memset32(newBits, 0x00, m_bits.GetSize() * sizeof(FX_INT32));
+ FX_INT32 size = m_size;
+ FX_INT32 i;
+ for (i = 0; i < size; i++) {
+ if (Get(size - i - 1)) {
+ newBits[i >> 5] |= 1 << (i & 0x1F);
+ }
+ }
+ FXSYS_memcpy32(&m_bits[0], newBits, m_bits.GetSize() * sizeof(FX_INT32));
+ FX_Free(newBits);
+}
diff --git a/xfa/src/fxbarcode/common/BC_CommonBitArray.h b/xfa/src/fxbarcode/common/BC_CommonBitArray.h new file mode 100644 index 0000000000..484d87d5a7 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonBitArray.h @@ -0,0 +1,32 @@ +// 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;
+class CBC_CommonBitArray : public CFX_Object
+{
+public:
+ CBC_CommonBitArray(CBC_CommonBitArray* array);
+ CBC_CommonBitArray(FX_INT32 size);
+ CBC_CommonBitArray();
+ virtual ~CBC_CommonBitArray();
+ FX_INT32 GetSize();
+ CFX_Int32Array& GetBits();
+ FX_INT32 GetSizeInBytes();
+ FX_BOOL Get(FX_INT32 i);
+ void Set(FX_INT32 i);
+ void Flip(FX_INT32 i);
+ void SetBulk(FX_INT32 i, FX_INT32 newBits);
+ FX_BOOL IsRange(FX_INT32 start, FX_INT32 end, FX_BOOL value, FX_INT32 &e);
+ FX_INT32 *GetBitArray();
+ void Reverse();
+ void Clear();
+private:
+ FX_INT32 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 new file mode 100644 index 0000000000..df24d1dabb --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonBitMatrix.cpp @@ -0,0 +1,161 @@ +// 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 "../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(FX_INT32 dimension)
+{
+ m_width = dimension;
+ m_height = dimension;
+ FX_INT32 rowSize = (m_height + 31) >> 5;
+ m_rowSize = rowSize;
+ m_bits = FX_Alloc(FX_INT32, m_rowSize * m_height);
+ FXSYS_memset32(m_bits, 0, m_rowSize * m_height * sizeof(FX_INT32));
+}
+void CBC_CommonBitMatrix::Init(FX_INT32 width, FX_INT32 height)
+{
+ m_width = width;
+ m_height = height;
+ FX_INT32 rowSize = (width + 31) >> 5;
+ m_rowSize = rowSize;
+ m_bits = FX_Alloc(FX_INT32, m_rowSize * m_height);
+ FXSYS_memset32(m_bits, 0, m_rowSize * m_height * sizeof(FX_INT32));
+}
+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(FX_INT32 x, FX_INT32 y)
+{
+ FX_INT32 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;
+}
+FX_INT32* CBC_CommonBitMatrix::GetBits()
+{
+ return m_bits;
+}
+void CBC_CommonBitMatrix::Set(FX_INT32 x, FX_INT32 y)
+{
+ FX_INT32 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(FX_INT32 x, FX_INT32 y)
+{
+ FX_INT32 offset = y * m_rowSize + (x >> 5);
+ m_bits[offset] ^= 1 << (x & 0x1f);
+}
+void CBC_CommonBitMatrix::Clear()
+{
+ FXSYS_memset32(m_bits, 0, m_rowSize * m_height * sizeof(FX_INT32));
+}
+void CBC_CommonBitMatrix::SetRegion(FX_INT32 left, FX_INT32 top, FX_INT32 width, FX_INT32 height, FX_INT32 &e)
+{
+ if (top < 0 || left < 0) {
+ e = BCExceptionLeftAndTopMustBeNonnegative;
+ return;
+ }
+ if (height < 1 || width < 1) {
+ e = BCExceptionHeightAndWidthMustBeAtLeast1;
+ return;
+ }
+ FX_INT32 right = left + width;
+ FX_INT32 bottom = top + height;
+ if (m_height < bottom || m_width < right) {
+ e = BCExceptionRegionMustFitInsideMatrix;
+ return;
+ }
+ FX_INT32 y;
+ for (y = top; y < bottom; y++) {
+ FX_INT32 offset = y * m_rowSize;
+ FX_INT32 x;
+ for (x = left; x < right; x++) {
+ m_bits[offset + (x >> 5)] |= 1 << (x & 0x1f);
+ }
+ }
+}
+CBC_CommonBitArray* CBC_CommonBitMatrix::GetRow(FX_INT32 y, CBC_CommonBitArray* row)
+{
+ CBC_CommonBitArray* rowArray = NULL;
+ if (row == NULL || row->GetSize() < m_width) {
+ rowArray = FX_NEW CBC_CommonBitArray(m_width);
+ } else {
+ rowArray = FX_NEW CBC_CommonBitArray(row);
+ }
+ FX_INT32 offset = y * m_rowSize;
+ FX_INT32 x;
+ for (x = 0; x < m_rowSize; x++) {
+ rowArray->SetBulk(x << 5, m_bits[offset + x]);
+ }
+ return rowArray;
+}
+void CBC_CommonBitMatrix::SetRow(FX_INT32 y, CBC_CommonBitArray* row)
+{
+ FX_INT32 l = y * m_rowSize;
+ for (FX_INT32 i = 0; i < m_rowSize; i++) {
+ m_bits[l] = row->GetBitArray()[i];
+ l++;
+ }
+}
+void CBC_CommonBitMatrix::SetCol(FX_INT32 y, CBC_CommonBitArray* col)
+{
+ for (FX_INT32 i = 0; i < col->GetBits().GetSize(); i++) {
+ m_bits[i * m_rowSize + y] = col->GetBitArray()[i];
+ }
+}
+FX_INT32 CBC_CommonBitMatrix::GetWidth()
+{
+ return m_width;
+}
+FX_INT32 CBC_CommonBitMatrix::GetHeight()
+{
+ return m_height;
+}
+FX_INT32 CBC_CommonBitMatrix::GetRowSize()
+{
+ return m_rowSize;
+}
+FX_INT32 CBC_CommonBitMatrix::GetDimension(FX_INT32 &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 new file mode 100644 index 0000000000..f69d7a0e33 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonBitMatrix.h @@ -0,0 +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_COMMONBITMATRIX_H_
+#define _BC_COMMONBITMATRIX_H_
+class CBC_CommonBitArray;
+class CBC_CommonBitMatrix;
+class CBC_CommonBitMatrix : public CFX_Object
+{
+public:
+ CBC_CommonBitMatrix();
+ virtual ~CBC_CommonBitMatrix();
+ FX_BOOL Get(FX_INT32 x, FX_INT32 y);
+ void Set(FX_INT32 x, FX_INT32 y);
+ void Flip(FX_INT32 x, FX_INT32 y);
+ void Clear();
+ void SetRegion(FX_INT32 left, FX_INT32 top, FX_INT32 width, FX_INT32 height, FX_INT32 &e);
+ CBC_CommonBitArray* GetRow(FX_INT32 y, CBC_CommonBitArray* row);
+ void SetRow(FX_INT32 y, CBC_CommonBitArray* row);
+ CBC_CommonBitArray* GetCol(FX_INT32 y, CBC_CommonBitArray* row);
+ void SetCol(FX_INT32 y, CBC_CommonBitArray* col);
+ FX_INT32 GetWidth();
+ FX_INT32 GetHeight();
+ FX_INT32 GetRowSize();
+ FX_INT32 GetDimension(FX_INT32 &e);
+ virtual void Init(FX_INT32 dimension);
+ virtual void Init(FX_INT32 width, FX_INT32 height);
+ FX_INT32* GetBits();
+private:
+ FX_INT32 m_width;
+ FX_INT32 m_height;
+ FX_INT32 m_rowSize;
+ FX_INT32* m_bits;
+};
+#endif
diff --git a/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp b/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp new file mode 100644 index 0000000000..b71848a60c --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonBitSource.cpp @@ -0,0 +1,76 @@ +// 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 "../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()
+{
+}
+FX_INT32 CBC_CommonBitSource::ReadBits(FX_INT32 numBits, FX_INT32 &e)
+{
+ if (numBits < 1 || numBits > 32) {
+ e = BCExceptionIllegalArgument;
+ return 0;
+ }
+ FX_INT32 result = 0;
+ if (m_bitOffset > 0) {
+ FX_INT32 bitsLeft = 8 - m_bitOffset;
+ FX_INT32 toRead = numBits < bitsLeft ? numBits : bitsLeft;
+ FX_INT32 bitsToNotRead = bitsLeft - toRead;
+ FX_INT32 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) {
+ FX_INT32 bitsToNotRead = 8 - numBits;
+ FX_INT32 mask = (0xff >> bitsToNotRead) << bitsToNotRead;
+ result = (result << numBits) | ((m_bytes[m_byteOffset] & mask) >> bitsToNotRead);
+ m_bitOffset += numBits;
+ }
+ }
+ return result;
+}
+FX_INT32 CBC_CommonBitSource::Available()
+{
+ return 8 * (m_bytes.GetSize() - m_byteOffset) - m_bitOffset;
+}
+FX_INT32 CBC_CommonBitSource::getByteOffset()
+{
+ return m_byteOffset;
+}
diff --git a/xfa/src/fxbarcode/common/BC_CommonBitSource.h b/xfa/src/fxbarcode/common/BC_CommonBitSource.h new file mode 100644 index 0000000000..53891cf671 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonBitSource.h @@ -0,0 +1,23 @@ +// 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;
+class CBC_CommonBitSource : public CFX_Object
+{
+public:
+ CBC_CommonBitSource(CFX_ByteArray *bytes);
+ virtual ~CBC_CommonBitSource();
+ FX_INT32 ReadBits(FX_INT32 numBits, FX_INT32 &e);
+ FX_INT32 Available();
+ FX_INT32 getByteOffset();
+private:
+ CFX_ByteArray m_bytes;
+ FX_INT32 m_byteOffset;
+ FX_INT32 m_bitOffset;
+};
+#endif
diff --git a/xfa/src/fxbarcode/common/BC_CommonByteArray.cpp b/xfa/src/fxbarcode/common/BC_CommonByteArray.cpp new file mode 100644 index 0000000000..99e97d38d8 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonByteArray.cpp @@ -0,0 +1,114 @@ +// 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 "../barcode.h"
+#include "BC_CommonByteArray.h"
+CBC_CommonByteArray::CBC_CommonByteArray()
+{
+ m_bytes = NULL;
+ m_size = 0;
+ m_index = 0;
+}
+CBC_CommonByteArray::CBC_CommonByteArray(FX_INT32 size)
+{
+ m_size = size;
+ m_bytes = FX_Alloc(FX_BYTE, size);
+ FXSYS_memset32(m_bytes, 0, size);
+ m_index = 0;
+}
+CBC_CommonByteArray::CBC_CommonByteArray(FX_BYTE* byteArray, FX_INT32 size)
+{
+ m_size = size;
+ m_bytes = FX_Alloc(FX_BYTE, size);
+ FXSYS_memcpy32(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;
+}
+FX_INT32 CBC_CommonByteArray::At(FX_INT32 index)
+{
+ return m_bytes[index] & 0xff;
+}
+void CBC_CommonByteArray::Set(FX_INT32 index, FX_INT32 value)
+{
+ m_bytes[index] = (FX_BYTE) value;
+}
+FX_INT32 CBC_CommonByteArray::Size()
+{
+ return m_size;
+}
+FX_BOOL CBC_CommonByteArray::IsEmpty()
+{
+ return m_size == 0;
+}
+void CBC_CommonByteArray::AppendByte(FX_INT32 value)
+{
+ if (m_size == 0 || m_index >= m_size) {
+ FX_INT32 newSize = FX_MAX(32, m_size << 1);
+ Reserve(newSize);
+ }
+ m_bytes[m_index] = (FX_BYTE)value;
+ m_index++;
+}
+void CBC_CommonByteArray::Reserve(FX_INT32 capacity)
+{
+ if (m_bytes == NULL || m_size < capacity) {
+ FX_BYTE *newArray = FX_Alloc(FX_BYTE, capacity);
+ FXSYS_memset32(newArray, 0, capacity);
+ if (m_bytes != NULL) {
+ FXSYS_memcpy32(newArray, m_bytes, m_size);
+ FX_Free( m_bytes );
+ }
+ m_bytes = newArray;
+ m_size = capacity;
+ }
+}
+void CBC_CommonByteArray::Set(FX_BYTE* source, FX_INT32 offset, FX_INT32 count)
+{
+ if (m_bytes != NULL) {
+ FX_Free( m_bytes );
+ }
+ m_bytes = FX_Alloc(FX_BYTE, count);
+ m_size = count;
+ FXSYS_memcpy32(m_bytes, source + offset, count);
+ m_index = count;
+}
+void CBC_CommonByteArray::Set(CFX_ByteArray* source, FX_INT32 offset, FX_INT32 count)
+{
+ if (m_bytes != NULL) {
+ FX_Free( m_bytes );
+ }
+ m_bytes = FX_Alloc(FX_BYTE, count);
+ m_size = count;
+ FX_INT32 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 new file mode 100644 index 0000000000..fe0a67ffd1 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonByteArray.h @@ -0,0 +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_COMMONBYTEARRAY_H_
+#define _BC_COMMONBYTEARRAY_H_
+class CBC_CommonByteArray;
+class CBC_CommonByteArray : public CFX_Object
+{
+private:
+ FX_INT32 m_size;
+ FX_INT32 m_index;
+ FX_BYTE* m_bytes;
+public:
+ CBC_CommonByteArray();
+ CBC_CommonByteArray(FX_INT32 size);
+ CBC_CommonByteArray(FX_BYTE* byteArray, FX_INT32 size);
+ virtual ~CBC_CommonByteArray();
+ FX_INT32 At(FX_INT32 index);
+ void Set(FX_INT32 index, FX_INT32 value);
+ FX_INT32 Size();
+ FX_BOOL IsEmpty();
+ void AppendByte(FX_INT32 value);
+ void Reserve(FX_INT32 capacity);
+ void Set(FX_BYTE* source, FX_INT32 offset, FX_INT32 count);
+ void Set(CFX_ByteArray* source, FX_INT32 offset, FX_INT32 count);
+};
+#endif
diff --git a/xfa/src/fxbarcode/common/BC_CommonByteMatrix.cpp b/xfa/src/fxbarcode/common/BC_CommonByteMatrix.cpp new file mode 100644 index 0000000000..27c8615bf9 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonByteMatrix.cpp @@ -0,0 +1,76 @@ +// 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 "../barcode.h"
+#include "BC_CommonByteMatrix.h"
+CBC_CommonByteMatrix::CBC_CommonByteMatrix(FX_INT32 width, FX_INT32 height)
+{
+ m_height = height;
+ m_width = width;
+ m_bytes = NULL;
+}
+void CBC_CommonByteMatrix::Init()
+{
+ m_bytes = FX_Alloc(FX_BYTE, m_height * m_width);
+ FXSYS_memset8(m_bytes, 0xff, m_height * m_width);
+}
+CBC_CommonByteMatrix::~CBC_CommonByteMatrix()
+{
+ if(m_bytes != NULL) {
+ FX_Free(m_bytes);
+ m_bytes = NULL;
+ }
+}
+FX_INT32 CBC_CommonByteMatrix::GetHeight()
+{
+ return m_height;
+}
+FX_INT32 CBC_CommonByteMatrix::GetWidth()
+{
+ return m_width;
+}
+FX_BYTE CBC_CommonByteMatrix::Get(FX_INT32 x, FX_INT32 y)
+{
+ return m_bytes[y * m_width + x];
+}
+void CBC_CommonByteMatrix::Set(FX_INT32 x, FX_INT32 y, FX_INT32 value)
+{
+ m_bytes[y * m_width + x] = (FX_BYTE)value;
+}
+void CBC_CommonByteMatrix::Set(FX_INT32 x, FX_INT32 y, FX_BYTE value)
+{
+ m_bytes[y * m_width + x] = value;
+}
+void CBC_CommonByteMatrix::clear(FX_BYTE value)
+{
+ FX_INT32 y;
+ for(y = 0; y < m_height; y++) {
+ FX_INT32 x;
+ for(x = 0; x < m_width; x++) {
+ m_bytes[y * m_width + x] = value;
+ }
+ }
+}
+FX_BYTE* CBC_CommonByteMatrix::GetArray()
+{
+ return m_bytes;
+}
diff --git a/xfa/src/fxbarcode/common/BC_CommonByteMatrix.h b/xfa/src/fxbarcode/common/BC_CommonByteMatrix.h new file mode 100644 index 0000000000..3d831d1911 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonByteMatrix.h @@ -0,0 +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_COMMONBYTEMATRIX_H_
+#define _BC_COMMONBYTEMATRIX_H_
+class CBC_CommonByteMatrix;
+class CBC_CommonByteMatrix : public CFX_Object
+{
+public:
+ CBC_CommonByteMatrix(FX_INT32 width, FX_INT32 height);
+ virtual ~CBC_CommonByteMatrix();
+ FX_INT32 GetHeight();
+ FX_INT32 GetWidth();
+ FX_BYTE Get(FX_INT32 x, FX_INT32 y);
+ FX_BYTE* GetArray();
+
+ void Set(FX_INT32 x, FX_INT32 y, FX_INT32 value);
+ void Set(FX_INT32 x, FX_INT32 y, FX_BYTE value);
+ void clear(FX_BYTE value);
+ virtual void Init();
+private:
+ FX_BYTE *m_bytes;
+ FX_INT32 m_width;
+ FX_INT32 m_height;
+};
+#endif
diff --git a/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.cpp b/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.cpp new file mode 100644 index 0000000000..2909704796 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.cpp @@ -0,0 +1,50 @@ +// 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 "../barcode.h"
+#include "BC_CommonECI.h"
+#include "BC_CommonCharacterSetECI.h"
+void CBC_CommonCharacterSetECI::initialize()
+{
+}
+CBC_CommonCharacterSetECI::CBC_CommonCharacterSetECI(FX_INT32 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(FX_INT32 value, CFX_ByteString encodingName)
+{
+}
+CBC_CommonCharacterSetECI* CBC_CommonCharacterSetECI::GetCharacterSetECIByValue(FX_INT32 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 new file mode 100644 index 0000000000..1e9f9a433f --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonCharacterSetECI.h @@ -0,0 +1,25 @@ +// 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(FX_INT32 value, CFX_ByteString encodingName);
+ virtual ~CBC_CommonCharacterSetECI();
+ CFX_ByteString GetEncodingName();
+ static void AddCharacterSet(FX_INT32 value, CFX_ByteString encodingName);
+ FX_INT32 GetValue();
+ static CBC_CommonCharacterSetECI* GetCharacterSetECIByValue(FX_INT32 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 new file mode 100644 index 0000000000..d0c55734db --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonDecoderResult.cpp @@ -0,0 +1,79 @@ +// 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 "../barcode.h"
+#include "../qrcode/BC_QRCoderErrorCorrectionLevel.h"
+#include "../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, FX_INT32 &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, FX_INT32 &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 new file mode 100644 index 0000000000..808203bd01 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonDecoderResult.h @@ -0,0 +1,33 @@ +// 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;
+class CBC_CommonDecoderResult : public CFX_Object
+{
+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, FX_INT32 &e);
+ virtual void Init(const CFX_ByteArray &rawBytes, const CFX_ByteString &text, const CFX_PtrArray &byteSegments, const CFX_ByteString &ecLevel, FX_INT32 &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 new file mode 100644 index 0000000000..5aa64095f7 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonECI.cpp @@ -0,0 +1,46 @@ +// 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 "../barcode.h"
+#include "BC_CommonECI.h"
+#include "BC_CommonCharacterSetECI.h"
+CBC_CommonECI::CBC_CommonECI(FX_INT32 value)
+{
+ m_value = value;
+}
+CBC_CommonECI::~CBC_CommonECI()
+{
+}
+FX_INT32 CBC_CommonECI::GetValue()
+{
+ return m_value;
+}
+CBC_CommonECI* CBC_CommonECI::GetEICByValue(FX_INT32 value, FX_INT32 &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 new file mode 100644 index 0000000000..3907066066 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonECI.h @@ -0,0 +1,21 @@ +// 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;
+class CBC_CommonECI : public CFX_Object
+{
+public:
+ CBC_CommonECI(FX_INT32 value);
+ virtual ~CBC_CommonECI();
+
+ FX_INT32 GetValue();
+ static CBC_CommonECI* GetEICByValue(FX_INT32 value, FX_INT32 &e);
+private:
+ FX_INT32 m_value;
+};
+#endif
diff --git a/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp new file mode 100644 index 0000000000..cb59d99cdf --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp @@ -0,0 +1,125 @@ +// 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 "../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_a21(a21), m_a31(a31),
+ m_a12(a12), m_a22(a22), m_a32(a32),
+ m_a13(a13), m_a23(a23), 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)
+{
+ FX_INT32 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;
+ FX_INT32 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 FX_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 FX_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 FX_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 FX_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 new file mode 100644 index 0000000000..5c42a1a6a7 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h @@ -0,0 +1,39 @@ +// 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;
+class CBC_CommonPerspectiveTransform : public CFX_Object
+{
+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 new file mode 100644 index 0000000000..7ef1671d98 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp @@ -0,0 +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 "../barcode.h"
+#include "../BC_Binarizer.h"
+#include "../BC_LuminanceSource.h"
+#include "BC_CommonBitMatrix.h"
+#include "BC_CommonBitArray.h"
+#include "BC_GlobalHistogramBinarizer.h"
+const FX_INT32 LUMINANCE_BITS = 5;
+const FX_INT32 LUMINANCE_SHIFT = 8 - LUMINANCE_BITS;
+const FX_INT32 LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS;
+CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer(CBC_LuminanceSource *source): CBC_Binarizer(source)
+{
+}
+CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer()
+{
+}
+CBC_CommonBitArray *CBC_GlobalHistogramBinarizer::GetBlackRow(FX_INT32 y, CBC_CommonBitArray *row, FX_INT32 &e)
+{
+ CBC_LuminanceSource *source = GetLuminanceSource();
+ FX_INT32 width = source->GetWidth();
+ CBC_AutoPtr<CBC_CommonBitArray> result(FX_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);
+ FX_INT32 x;
+ for (x = 0; x < width; x++) {
+ FX_INT32 pixel = (*localLuminances)[x] & 0xff;
+ localBuckets[pixel >> LUMINANCE_SHIFT]++;
+ }
+ FX_INT32 blackPoint = EstimateBlackPoint(localBuckets, e);
+ if (e != BCExceptionNO) {
+ return result.release();
+ }
+ FX_INT32 left = (*localLuminances)[0] & 0xff;
+ FX_INT32 center = (*localLuminances)[1] & 0xff;
+ for (x = 1; x < width - 1; x++) {
+ FX_INT32 right = (*localLuminances)[x + 1] & 0xff;
+ FX_INT32 luminance = ((center << 2) - left - right) >> 1;
+ if (luminance < blackPoint) {
+ result->Set(x);
+ }
+ left = center;
+ center = right;
+ }
+ return result.release();
+}
+CBC_CommonBitMatrix *CBC_GlobalHistogramBinarizer::GetBlackMatrix(FX_INT32 &e)
+{
+ CBC_LuminanceSource *source = GetLuminanceSource();
+ FX_INT32 width = source->GetWidth();
+ FX_INT32 height = source->GetHeight();
+ CBC_CommonBitMatrix *BitMatrixTemp = FX_NEW CBC_CommonBitMatrix();
+ BitMatrixTemp->Init(width, height);
+ CBC_AutoPtr<CBC_CommonBitMatrix> matrix(BitMatrixTemp);
+ InitArrays(width);
+ CFX_Int32Array localBuckets;
+ localBuckets.Copy(m_buckets);
+ FX_INT32 y;
+ for (y = 1; y < 5; y++) {
+ FX_INT32 row = height * y / 5;
+ CFX_ByteArray *localLuminances = source->GetRow(row, m_luminance, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ FX_INT32 right = (width << 2) / 5;
+ FX_INT32 x;
+ for (x = width / 5; x < right; x++) {
+ FX_INT32 pixel = (*localLuminances)[x] & 0xff;
+ localBuckets[pixel >> LUMINANCE_SHIFT]++;
+ }
+ }
+ FX_INT32 blackPoint = EstimateBlackPoint(localBuckets, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ CBC_AutoPtr<CFX_ByteArray> localLuminances(source->GetMatrix());
+ for (y = 0; y < height; y++) {
+ FX_INT32 offset = y * width;
+ for (FX_INT32 x = 0; x < width; x++) {
+ FX_INT32 pixel = (*localLuminances)[offset + x] & 0xff;
+ if (pixel < blackPoint) {
+ matrix->Set(x, y);
+ }
+ }
+ }
+ return matrix.release();
+}
+void CBC_GlobalHistogramBinarizer::InitArrays(FX_INT32 luminanceSize)
+{
+ if(m_luminance.GetSize() < luminanceSize) {
+ m_luminance.SetSize(luminanceSize);
+ }
+ if(m_buckets.GetSize() <= 0) {
+ m_buckets.SetSize(LUMINANCE_BUCKETS);
+ } else {
+ FX_INT32 x;
+ for(x = 0; x < LUMINANCE_BUCKETS; x++) {
+ m_buckets[x] = 0;
+ }
+ }
+}
+FX_INT32 CBC_GlobalHistogramBinarizer::EstimateBlackPoint(CFX_Int32Array &buckets, FX_INT32 &e)
+{
+ FX_INT32 numBuckets = buckets.GetSize();
+ FX_INT32 maxBucketCount = 0;
+ FX_INT32 firstPeak = 0;
+ FX_INT32 firstPeakSize = 0;
+ FX_INT32 x;
+ for (x = 0; x < numBuckets; x++) {
+ if (buckets[x] > firstPeakSize) {
+ firstPeak = x;
+ firstPeakSize = buckets[x];
+ }
+ if (buckets[x] > maxBucketCount) {
+ maxBucketCount = buckets[x];
+ }
+ }
+ FX_INT32 secondPeak = 0;
+ FX_INT32 secondPeakScore = 0;
+ for (x = 0; x < numBuckets; x++) {
+ FX_INT32 distanceToBiggest = x - firstPeak;
+ FX_INT32 score = buckets[x] * distanceToBiggest * distanceToBiggest;
+ if (score > secondPeakScore) {
+ secondPeak = x;
+ secondPeakScore = score;
+ }
+ }
+ if (firstPeak > secondPeak) {
+ FX_INT32 temp = firstPeak;
+ firstPeak = secondPeak;
+ secondPeak = temp;
+ }
+ if (secondPeak - firstPeak <= numBuckets >> 4) {
+ e = BCExceptionRead;
+ return 0;
+ }
+ FX_INT32 bestValley = secondPeak - 1;
+ FX_INT32 bestValleyScore = -1;
+ for (x = secondPeak - 1; x > firstPeak; x--) {
+ FX_INT32 fromFirst = x - firstPeak;
+ FX_INT32 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 new file mode 100644 index 0000000000..ef084c075e --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.h @@ -0,0 +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_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(FX_INT32 luminanceSize);
+ CBC_CommonBitMatrix *GetBlackMatrix(FX_INT32 &e);
+ CBC_CommonBitArray *GetBlackRow(FX_INT32 y, CBC_CommonBitArray *row, FX_INT32 &e);
+ static FX_INT32 EstimateBlackPoint(CFX_Int32Array &buckets, FX_INT32 &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 new file mode 100644 index 0000000000..8bc93136ca --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.cpp @@ -0,0 +1,244 @@ +// 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 "../barcode.h"
+#include "BC_WhiteRectangleDetector.h"
+#include "BC_CommonBitMatrix.h"
+#include "../BC_ResultPoint.h"
+const FX_INT32 CBC_WhiteRectangleDetector::INIT_SIZE = 30;
+const FX_INT32 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(FX_INT32 &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, FX_INT32 initSize, FX_INT32 x, FX_INT32 y)
+{
+ m_image = image;
+ m_height = image->GetHeight();
+ m_width = image->GetWidth();
+ FX_INT32 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(FX_INT32 &e)
+{
+ FX_INT32 left = m_leftInit;
+ FX_INT32 right = m_rightInit;
+ FX_INT32 up = m_upInit;
+ FX_INT32 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) {
+ FX_INT32 maxSize = right - left;
+ CBC_AutoPtr<CBC_ResultPoint> z(NULL);
+ for (FX_INT32 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 (FX_INT32 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 (FX_INT32 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 (FX_INT32 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;
+}
+FX_INT32 CBC_WhiteRectangleDetector::Round(FX_FLOAT d)
+{
+ return (FX_INT32) (d + 0.5f);
+}
+CBC_ResultPoint *CBC_WhiteRectangleDetector::GetBlackPointOnSegment(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY)
+{
+ FX_INT32 dist = DistanceL2(aX, aY, bX, bY);
+ float xStep = (bX - aX) / dist;
+ float yStep = (bY - aY) / dist;
+ for (FX_INT32 i = 0; i < dist; i++) {
+ FX_INT32 x = Round(aX + i * xStep);
+ FX_INT32 y = Round(aY + i * yStep);
+ if (m_image->Get(x, y)) {
+ return FX_NEW CBC_ResultPoint((FX_FLOAT)x, (FX_FLOAT) y);
+ }
+ }
+ return NULL;
+}
+FX_INT32 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 = FX_NEW CFX_PtrArray;
+ result->SetSize(4);
+ (*result)[0] = FX_NEW CBC_ResultPoint(ti - CORR, tj + CORR);
+ (*result)[1] = FX_NEW CBC_ResultPoint(zi + CORR, zj + CORR);
+ (*result)[2] = FX_NEW CBC_ResultPoint(xi - CORR, xj - CORR);
+ (*result)[3] = FX_NEW CBC_ResultPoint(yi + CORR, yj - CORR);
+ return result;
+ } else {
+ CFX_PtrArray *result = FX_NEW CFX_PtrArray;
+ result->SetSize(4);
+ (*result)[0] = FX_NEW CBC_ResultPoint(ti + CORR, tj + CORR);
+ (*result)[1] = FX_NEW CBC_ResultPoint(zi + CORR, zj - CORR);
+ (*result)[2] = FX_NEW CBC_ResultPoint(xi - CORR, xj + CORR);
+ (*result)[3] = FX_NEW CBC_ResultPoint(yi - CORR, yj - CORR);
+ return result;
+ }
+}
+FX_BOOL CBC_WhiteRectangleDetector::ContainsBlackPoint(FX_INT32 a, FX_INT32 b, FX_INT32 fixed, FX_BOOL horizontal)
+{
+ if (horizontal) {
+ for (FX_INT32 x = a; x <= b; x++) {
+ if (m_image->Get(x, fixed)) {
+ return TRUE;
+ }
+ }
+ } else {
+ for (FX_INT32 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 new file mode 100644 index 0000000000..83d91ced92 --- /dev/null +++ b/xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h @@ -0,0 +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_WHITERECTANLEDETECTOR_H_
+#define _BC_WHITERECTANLEDETECTOR_H_
+class CBC_CommonBitMatrix;
+class CBC_ResultPoint;
+class CBC_WhiteRectangleDetector;
+class CBC_WhiteRectangleDetector : public CFX_Object
+{
+public:
+ CBC_WhiteRectangleDetector(CBC_CommonBitMatrix *image);
+ CBC_WhiteRectangleDetector(CBC_CommonBitMatrix *image, FX_INT32 initSize, FX_INT32 x, FX_INT32 y);
+ virtual ~CBC_WhiteRectangleDetector();
+ CFX_PtrArray *Detect(FX_INT32 &e);
+ virtual void Init(FX_INT32 &e);
+private:
+ FX_INT32 Round(float d);
+ CBC_ResultPoint *GetBlackPointOnSegment(FX_FLOAT aX, FX_FLOAT aY, FX_FLOAT bX, FX_FLOAT bY);
+ FX_INT32 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(FX_INT32 a, FX_INT32 b, FX_INT32 fixed, FX_BOOL horizontal);
+ const static FX_INT32 INIT_SIZE;
+ const static FX_INT32 CORR;
+
+ CBC_CommonBitMatrix *m_image;
+ FX_INT32 m_height;
+ FX_INT32 m_width;
+ FX_INT32 m_leftInit;
+ FX_INT32 m_rightInit;
+ FX_INT32 m_downInit;
+ FX_INT32 m_upInit;
+};
+#endif
diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp new file mode 100644 index 0000000000..1fc8b6685a --- /dev/null +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp @@ -0,0 +1,100 @@ +// 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 "../../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(FX_NEW CBC_ReedSolomonGF256Poly(m_field, 1));
+}
+CBC_ReedSolomonGF256Poly* CBC_ReedSolomonEncoder::BuildGenerator(FX_INT32 degree, FX_INT32 &e)
+{
+ if(degree >= m_cachedGenerators.GetSize()) {
+ CBC_ReedSolomonGF256Poly* lastGenerator = (CBC_ReedSolomonGF256Poly*)(m_cachedGenerators[m_cachedGenerators.GetSize() - 1]);
+ for(FX_INT32 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, FX_INT32 ecBytes, FX_INT32 &e)
+{
+ if(ecBytes == 0) {
+ e = BCExceptionNoCorrectionBytes;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ FX_INT32 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(FX_INT32 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();
+ FX_INT32 numZeroCoefficients = ecBytes - coefficients->GetSize();
+ for(FX_INT32 i = 0; i < numZeroCoefficients; i++) {
+ (*toEncode)[dataBytes + i] = 0;
+ }
+ for(FX_INT32 y = 0; y < coefficients->GetSize(); y++) {
+ (*toEncode)[dataBytes + numZeroCoefficients + y] =
+ coefficients->operator [](y);
+ }
+ for (FX_INT32 k = 0; k < temp->GetSize(); k++) {
+ delete (CBC_ReedSolomonGF256Poly*)(*temp)[k];
+ }
+}
+CBC_ReedSolomonEncoder::~CBC_ReedSolomonEncoder()
+{
+ for (FX_INT32 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 new file mode 100644 index 0000000000..2950b8f315 --- /dev/null +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.h @@ -0,0 +1,25 @@ +// 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;
+class CBC_ReedSolomonEncoder : public CFX_Object
+{
+private:
+ CBC_ReedSolomonGF256* m_field;
+ CFX_PtrArray m_cachedGenerators;
+ CBC_ReedSolomonGF256Poly* BuildGenerator(FX_INT32 degree, FX_INT32 &e);
+public:
+ CBC_ReedSolomonEncoder(CBC_ReedSolomonGF256 * field);
+ virtual ~CBC_ReedSolomonEncoder();
+
+ void Encode(CFX_Int32Array *toEncode, FX_INT32 ecBytes, FX_INT32 &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 new file mode 100644 index 0000000000..3cb5e7762f --- /dev/null +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp @@ -0,0 +1,224 @@ +// 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 "../../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, FX_INT32 twoS, FX_INT32 &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 (FX_INT32 i = 0; i < twoS; i++) {
+ FX_INT32 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 (FX_INT32 k = 0; k < errorLocations->GetSize(); k++) {
+ FX_INT32 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, FX_INT32 R, FX_INT32 &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);
+ FX_INT32 denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree());
+ FX_INT32 dltInverse = m_field->Inverse(denominatorLeadingTerm, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ while (r->GetDegree() >= rLast->GetDegree() && !(r->IsZero())) {
+ FX_INT32 degreeDiff = r->GetDegree() - rLast->GetDegree();
+ FX_INT32 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;
+ }
+ FX_INT32 sigmaTildeAtZero = t->GetCoefficients(0);
+ if (sigmaTildeAtZero == 0) {
+ e = BCExceptionIsZero;
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ }
+ FX_INT32 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 = FX_NEW CFX_PtrArray;
+ temp->Add(sigma.release());
+ temp->Add(omega.release());
+ return temp;
+}
+CFX_Int32Array *CBC_ReedSolomonDecoder::FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator, FX_INT32 &e)
+{
+ FX_INT32 numErrors = errorLocator->GetDegree();
+ if (numErrors == 1) {
+ CBC_AutoPtr<CFX_Int32Array > temp(FX_NEW CFX_Int32Array);
+ temp->Add(errorLocator->GetCoefficients(1));
+ return temp.release();
+ }
+ CFX_Int32Array *tempT = FX_NEW CFX_Int32Array;
+ tempT->SetSize(numErrors);
+ CBC_AutoPtr<CFX_Int32Array > result(tempT);
+ FX_INT32 ie = 0;
+ for (FX_INT32 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, FX_INT32 &e)
+{
+ FX_INT32 s = errorLocations->GetSize();
+ CFX_Int32Array * temp = FX_NEW CFX_Int32Array;
+ temp->SetSize(s);
+ CBC_AutoPtr<CFX_Int32Array > result(temp);
+ for (FX_INT32 i = 0; i < s; i++) {
+ FX_INT32 xiInverse = m_field->Inverse(errorLocations->operator [](i), e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ FX_INT32 denominator = 1;
+ for(FX_INT32 j = 0; j < s; j++) {
+ if(i != j) {
+ denominator = m_field->Multiply(denominator,
+ CBC_ReedSolomonGF256::AddOrSubtract(1, m_field->Multiply(errorLocations->operator [](j), xiInverse)));
+ }
+ }
+ FX_INT32 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 new file mode 100644 index 0000000000..c1dd0f03f5 --- /dev/null +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h @@ -0,0 +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_REEDSOLOMONDECODER_H_
+#define _BC_REEDSOLOMONDECODER_H_
+class CBC_ReedSolomonGF256;
+class CBC_ReedSolomonGF256Poly;
+class CBC_ReedSolomonDecoder;
+class CBC_ReedSolomonDecoder : public CFX_Object
+{
+private:
+ CBC_ReedSolomonGF256 * m_field;
+public:
+ CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256 * field);
+ virtual ~CBC_ReedSolomonDecoder();
+ void Decode(CFX_Int32Array* received, FX_INT32 twoS, FX_INT32 &e);
+ CFX_PtrArray* RunEuclideanAlgorithm(CBC_ReedSolomonGF256Poly* a, CBC_ReedSolomonGF256Poly* b, FX_INT32 R, FX_INT32 &e);
+ CFX_Int32Array* FindErrorLocations(CBC_ReedSolomonGF256Poly* errorLocator, FX_INT32 &e);
+ CFX_Int32Array* FindErrorMagnitudes(CBC_ReedSolomonGF256Poly* errorEvaluator, CFX_Int32Array* errorLocations, FX_BOOL dataMatrix, FX_INT32 &e);
+};
+#endif
diff --git a/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp new file mode 100644 index 0000000000..bb045ac24c --- /dev/null +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp @@ -0,0 +1,140 @@ +// 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 "../../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 = FX_NEW CBC_ReedSolomonGF256(0x011D);
+ QRCodeFild->Init();
+ DataMatrixField = FX_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(FX_INT32 primitive)
+{
+ FX_INT32 x = 1;
+ for(FX_INT32 j = 0; j < 256; j++) {
+ m_expTable[j] = x;
+ x <<= 1;
+ if(x >= 0x100) {
+ x ^= primitive;
+ }
+ }
+ for(FX_INT32 i = 0; i < 255; i++) {
+ m_logTable[m_expTable[i]] = i;
+ }
+ m_logTable[0] = 0;
+}
+void CBC_ReedSolomonGF256::Init()
+{
+ m_zero = FX_NEW CBC_ReedSolomonGF256Poly(this, 0);
+ m_one = FX_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(FX_INT32 degree, FX_INT32 coefficient, FX_INT32 &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 = FX_NEW CBC_ReedSolomonGF256Poly();
+ temp->Init(this, &coefficients, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return temp;
+}
+FX_INT32 CBC_ReedSolomonGF256::AddOrSubtract(FX_INT32 a, FX_INT32 b)
+{
+ return a ^ b;
+}
+FX_INT32 CBC_ReedSolomonGF256::Exp(FX_INT32 a)
+{
+ return m_expTable[a];
+}
+FX_INT32 CBC_ReedSolomonGF256::Log(FX_INT32 a, FX_INT32 &e)
+{
+ if(a == 0) {
+ e = BCExceptionAIsZero;
+ BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+ }
+ return m_logTable[a];
+}
+FX_INT32 CBC_ReedSolomonGF256::Inverse(FX_INT32 a, FX_INT32 &e)
+{
+ if(a == 0) {
+ e = BCExceptionAIsZero;
+ BC_EXCEPTION_CHECK_ReturnValue(e, 0);
+ }
+ return m_expTable[255 - m_logTable[a]];
+}
+FX_INT32 CBC_ReedSolomonGF256::Multiply(FX_INT32 a, FX_INT32 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 new file mode 100644 index 0000000000..1687b95e09 --- /dev/null +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h @@ -0,0 +1,35 @@ +// 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;
+class CBC_ReedSolomonGF256 : public CFX_Object
+{
+public:
+ static void Initialize();
+ static void Finalize();
+ static CBC_ReedSolomonGF256 *QRCodeFild;
+ static CBC_ReedSolomonGF256 *DataMatrixField;
+ CBC_ReedSolomonGF256(FX_INT32 primitive);
+ virtual ~CBC_ReedSolomonGF256();
+ CBC_ReedSolomonGF256Poly* GetZero();
+ CBC_ReedSolomonGF256Poly* GetOne();
+ CBC_ReedSolomonGF256Poly* BuildMonomial(FX_INT32 degree, FX_INT32 coefficient, FX_INT32 &e);
+ static FX_INT32 AddOrSubtract(FX_INT32 a, FX_INT32 b);
+ FX_INT32 Exp(FX_INT32 a);
+ FX_INT32 Log(FX_INT32 a, FX_INT32 &e);
+ FX_INT32 Inverse(FX_INT32 a, FX_INT32 &e);
+ FX_INT32 Multiply(FX_INT32 a, FX_INT32 b);
+ virtual void Init();
+private:
+ FX_INT32 m_expTable[256];
+ FX_INT32 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 new file mode 100644 index 0000000000..6476e4cf80 --- /dev/null +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp @@ -0,0 +1,257 @@ +// 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 "../../barcode.h"
+#include "BC_ReedSolomonGF256.h"
+#include "BC_ReedSolomonGF256Poly.h"
+CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, FX_INT32 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, FX_INT32 &e)
+{
+ if(coefficients == NULL || coefficients->GetSize() == 0) {
+ e = BCExceptionCoefficientsSizeIsNull;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ m_field = field;
+ FX_INT32 coefficientsLength = coefficients->GetSize();
+ if((coefficientsLength > 1 && (*coefficients)[0] == 0)) {
+ FX_INT32 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(FX_INT32 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;
+}
+FX_INT32 CBC_ReedSolomonGF256Poly::GetDegree()
+{
+ return m_coefficients.GetSize() - 1;
+}
+FX_BOOL CBC_ReedSolomonGF256Poly::IsZero()
+{
+ return m_coefficients[0] == 0;
+}
+FX_INT32 CBC_ReedSolomonGF256Poly::GetCoefficients(FX_INT32 degree)
+{
+ return m_coefficients[m_coefficients.GetSize() - 1 - degree];
+}
+FX_INT32 CBC_ReedSolomonGF256Poly::EvaluateAt(FX_INT32 a)
+{
+ if(a == 0) {
+ return GetCoefficients(0);
+ }
+ FX_INT32 size = m_coefficients.GetSize();
+ if(a == 1) {
+ FX_INT32 result = 0;
+ for(FX_INT32 i = 0; i < size; i++) {
+ result = CBC_ReedSolomonGF256::AddOrSubtract(result, m_coefficients[i]);
+ }
+ return result;
+ }
+ FX_INT32 result = m_coefficients[0];
+ for(FX_INT32 j = 1; j < size; j++) {
+ result = CBC_ReedSolomonGF256::AddOrSubtract(
+ m_field->Multiply(a, result),
+ m_coefficients[j]);
+ }
+ return result;
+}
+CBC_ReedSolomonGF256Poly *CBC_ReedSolomonGF256Poly::Clone(FX_INT32 &e)
+{
+ CBC_ReedSolomonGF256Poly *temp = FX_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, FX_INT32 &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() );
+ FX_INT32 lengthDiff = largerCoefficients.GetSize() - smallerCoefficients.GetSize();
+ for(FX_INT32 i = 0; i < lengthDiff; i++) {
+ sumDiff[i] = largerCoefficients[i];
+ }
+ for(FX_INT32 j = lengthDiff; j < largerCoefficients.GetSize(); j++) {
+ sumDiff[j] = (CBC_ReedSolomonGF256::AddOrSubtract(smallerCoefficients[j - lengthDiff],
+ largerCoefficients[j]));
+ }
+ CBC_ReedSolomonGF256Poly *temp = FX_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, FX_INT32 &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);
+ FX_INT32 aLength = m_coefficients.GetSize();
+ CFX_Int32Array bCoefficients;
+ bCoefficients.Copy(*(other->GetCoefficients()));
+ FX_INT32 bLength = other->GetCoefficients()->GetSize();
+ CFX_Int32Array product;
+ product.SetSize(aLength + bLength - 1);
+ for(FX_INT32 i = 0; i < aLength; i++) {
+ FX_INT32 aCoeff = m_coefficients[i];
+ for(FX_INT32 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 = FX_NEW CBC_ReedSolomonGF256Poly();
+ temp->Init(m_field, &product, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return temp;
+}
+CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(FX_INT32 scalar, FX_INT32 &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);
+ }
+ FX_INT32 size = m_coefficients.GetSize();
+ CFX_Int32Array product;
+ product.SetSize(size);
+ for(FX_INT32 i = 0; i < size; i++) {
+ product[i] = m_field->Multiply(m_coefficients[i], scalar);
+ }
+ CBC_ReedSolomonGF256Poly *temp = FX_NEW CBC_ReedSolomonGF256Poly();
+ temp->Init(m_field, &product, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return temp;
+}
+CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::MultiplyByMonomial(FX_INT32 degree, FX_INT32 coefficient, FX_INT32 &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;
+ }
+ FX_INT32 size = m_coefficients.GetSize();
+ CFX_Int32Array product;
+ product.SetSize(size + degree);
+ for(FX_INT32 i = 0; i < size; i++) {
+ product[i] = (m_field->Multiply(m_coefficients[i], coefficient));
+ }
+ CBC_ReedSolomonGF256Poly *temp = FX_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, FX_INT32 &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);
+ FX_INT32 denominatorLeadingTerm = other->GetCoefficients(other->GetDegree());
+ FX_INT32 inverseDenominatorLeadingTeam = m_field->Inverse(denominatorLeadingTerm, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ FX_BOOL bFirst = TRUE;
+ while(remainder->GetDegree() >= other->GetDegree() && !remainder->IsZero()) {
+ FX_INT32 degreeDifference = remainder->GetDegree() - other->GetDegree();
+ FX_INT32 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 = FX_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 new file mode 100644 index 0000000000..a6db24e231 --- /dev/null +++ b/xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h @@ -0,0 +1,33 @@ +// 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;
+class CBC_ReedSolomonGF256Poly : public CFX_Object
+{
+public:
+ CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, FX_INT32 coefficients);
+ CBC_ReedSolomonGF256Poly();
+ virtual ~CBC_ReedSolomonGF256Poly();
+ FX_INT32 GetCoefficients(FX_INT32 degree);
+ CFX_Int32Array* GetCoefficients();
+ FX_INT32 GetDegree();
+ FX_BOOL IsZero();
+ FX_INT32 EvaluateAt(FX_INT32 a);
+ CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other, FX_INT32 &e);
+ CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other, FX_INT32 &e);
+ CBC_ReedSolomonGF256Poly* Multiply(FX_INT32 scalar, FX_INT32 &e);
+ CBC_ReedSolomonGF256Poly* MultiplyByMonomial(FX_INT32 degree, FX_INT32 coefficient, FX_INT32 &e);
+ CFX_PtrArray* Divide(CBC_ReedSolomonGF256Poly *other, FX_INT32 &e);
+ CBC_ReedSolomonGF256Poly* Clone(FX_INT32 &e);
+ virtual void Init(CBC_ReedSolomonGF256* field, CFX_Int32Array* coefficients, FX_INT32 &e);
+private:
+ CBC_ReedSolomonGF256* m_field;
+ CFX_Int32Array m_coefficients;
+};
+#endif
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