From a26153440b46b3b37b7e81435debb296f22769f4 Mon Sep 17 00:00:00 2001 From: dsinclair Date: Thu, 16 Jun 2016 12:29:07 -0700 Subject: Remove barcode reading code. We never read barcodes, we only write them. Remove code related to barcode reading. Review-Url: https://codereview.chromium.org/2071633002 --- xfa/fxbarcode/common/BC_CommonCharacterSetECI.cpp | 44 ---- xfa/fxbarcode/common/BC_CommonCharacterSetECI.h | 29 --- xfa/fxbarcode/common/BC_CommonDecoderResult.cpp | 75 ------ xfa/fxbarcode/common/BC_CommonDecoderResult.h | 44 ---- xfa/fxbarcode/common/BC_CommonECI.cpp | 38 --- xfa/fxbarcode/common/BC_CommonECI.h | 25 -- .../common/BC_GlobalHistogramBinarizer.cpp | 173 -------------- xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h | 37 --- xfa/fxbarcode/common/BC_WhiteRectangleDetector.cpp | 262 --------------------- xfa/fxbarcode/common/BC_WhiteRectangleDetector.h | 57 ----- .../common/reedsolomon/BC_ReedSolomonDecoder.cpp | 221 ----------------- .../common/reedsolomon/BC_ReedSolomonDecoder.h | 37 --- 12 files changed, 1042 deletions(-) delete mode 100644 xfa/fxbarcode/common/BC_CommonCharacterSetECI.cpp delete mode 100644 xfa/fxbarcode/common/BC_CommonCharacterSetECI.h delete mode 100644 xfa/fxbarcode/common/BC_CommonDecoderResult.cpp delete mode 100644 xfa/fxbarcode/common/BC_CommonDecoderResult.h delete mode 100644 xfa/fxbarcode/common/BC_CommonECI.cpp delete mode 100644 xfa/fxbarcode/common/BC_CommonECI.h delete mode 100644 xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp delete mode 100644 xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h delete mode 100644 xfa/fxbarcode/common/BC_WhiteRectangleDetector.cpp delete mode 100644 xfa/fxbarcode/common/BC_WhiteRectangleDetector.h delete mode 100644 xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp delete mode 100644 xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h (limited to 'xfa/fxbarcode/common') diff --git a/xfa/fxbarcode/common/BC_CommonCharacterSetECI.cpp b/xfa/fxbarcode/common/BC_CommonCharacterSetECI.cpp deleted file mode 100644 index ebc5593bf2..0000000000 --- a/xfa/fxbarcode/common/BC_CommonCharacterSetECI.cpp +++ /dev/null @@ -1,44 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -// Original code is licensed as follows: -/* - * Copyright 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/fxbarcode/common/BC_CommonCharacterSetECI.h" -#include "xfa/fxbarcode/common/BC_CommonECI.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 nullptr; -} -CBC_CommonCharacterSetECI* CBC_CommonCharacterSetECI::GetCharacterSetECIByName( - const CFX_ByteString& name) { - return nullptr; -} diff --git a/xfa/fxbarcode/common/BC_CommonCharacterSetECI.h b/xfa/fxbarcode/common/BC_CommonCharacterSetECI.h deleted file mode 100644 index a2fe0ed2fe..0000000000 --- a/xfa/fxbarcode/common/BC_CommonCharacterSetECI.h +++ /dev/null @@ -1,29 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#ifndef XFA_FXBARCODE_COMMON_BC_COMMONCHARACTERSETECI_H_ -#define XFA_FXBARCODE_COMMON_BC_COMMONCHARACTERSETECI_H_ - -#include "core/fxcrt/include/fx_string.h" -#include "xfa/fxbarcode/common/BC_CommonECI.h" - -class CBC_CommonCharacterSetECI : public CBC_CommonECI { - public: - CBC_CommonCharacterSetECI(int32_t value, CFX_ByteString encodingName); - ~CBC_CommonCharacterSetECI() override; - - CFX_ByteString GetEncodingName(); - static void AddCharacterSet(int32_t value, CFX_ByteString encodingName); - static CBC_CommonCharacterSetECI* GetCharacterSetECIByValue(int32_t value); - static CBC_CommonCharacterSetECI* GetCharacterSetECIByName( - const CFX_ByteString& name); - - private: - CFX_ByteString m_encodingName; - static void initialize(); -}; - -#endif // XFA_FXBARCODE_COMMON_BC_COMMONCHARACTERSETECI_H_ diff --git a/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp b/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp deleted file mode 100644 index ee131e5359..0000000000 --- a/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -// Original code is licensed as follows: -/* - * Copyright 2007 ZXing authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "core/fxcrt/include/fx_basic.h" -#include "xfa/fxbarcode/common/BC_CommonDecoderResult.h" -#include "xfa/fxbarcode/pdf417/BC_PDF417ResultMetadata.h" -#include "xfa/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h" -#include "xfa/fxbarcode/utils.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 = nullptr; -} -void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes, - const CFX_ByteString& text, - const CFX_ByteString& ecLevel, - int32_t& e) { - if (text.IsEmpty()) { - e = BCExceptionIllegalArgument; - return; - } - m_rawBytes.Copy(rawBytes); - m_text = text; - m_pdf417ecLevel = ecLevel; - m_other = nullptr; -} -void CBC_CommonDecoderResult::setOther(CBC_PDF417ResultMetadata* other) { - m_other = other; -} -CBC_CommonDecoderResult::~CBC_CommonDecoderResult() { - 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/fxbarcode/common/BC_CommonDecoderResult.h b/xfa/fxbarcode/common/BC_CommonDecoderResult.h deleted file mode 100644 index bcb65df9fa..0000000000 --- a/xfa/fxbarcode/common/BC_CommonDecoderResult.h +++ /dev/null @@ -1,44 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#ifndef XFA_FXBARCODE_COMMON_BC_COMMONDECODERRESULT_H_ -#define XFA_FXBARCODE_COMMON_BC_COMMONDECODERRESULT_H_ - -#include "core/fxcrt/include/fx_basic.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_ByteString& ecLevel, - int32_t& e); - void setOther(CBC_PDF417ResultMetadata* other); - - private: - CFX_ByteArray m_rawBytes; - CFX_ByteString m_text; - CFX_Int32Array m_byteSegments; - CBC_QRCoderErrorCorrectionLevel* m_ecLevel; - CFX_ByteString m_pdf417ecLevel; - CBC_PDF417ResultMetadata* m_other; -}; - -#endif // XFA_FXBARCODE_COMMON_BC_COMMONDECODERRESULT_H_ diff --git a/xfa/fxbarcode/common/BC_CommonECI.cpp b/xfa/fxbarcode/common/BC_CommonECI.cpp deleted file mode 100644 index 30d21310f4..0000000000 --- a/xfa/fxbarcode/common/BC_CommonECI.cpp +++ /dev/null @@ -1,38 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -// Original code is licensed as follows: -/* - * Copyright 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/fxbarcode/common/BC_CommonCharacterSetECI.h" -#include "xfa/fxbarcode/common/BC_CommonECI.h" -#include "xfa/fxbarcode/utils.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 nullptr; -} diff --git a/xfa/fxbarcode/common/BC_CommonECI.h b/xfa/fxbarcode/common/BC_CommonECI.h deleted file mode 100644 index 5bc4c1485c..0000000000 --- a/xfa/fxbarcode/common/BC_CommonECI.h +++ /dev/null @@ -1,25 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#ifndef XFA_FXBARCODE_COMMON_BC_COMMONECI_H_ -#define XFA_FXBARCODE_COMMON_BC_COMMONECI_H_ - -#include - -class CBC_CommonECI { - public: - CBC_CommonECI(int32_t value); - virtual ~CBC_CommonECI(); - - virtual int32_t GetValue(); - - static CBC_CommonECI* GetEICByValue(int32_t value, int32_t& e); - - private: - int32_t m_value; -}; - -#endif // XFA_FXBARCODE_COMMON_BC_COMMONECI_H_ diff --git a/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp b/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp deleted file mode 100644 index 53f18cc21b..0000000000 --- a/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp +++ /dev/null @@ -1,173 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -// Original code is licensed as follows: -/* - * Copyright 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/fxbarcode/common/BC_GlobalHistogramBinarizer.h" - -#include - -#include "xfa/fxbarcode/BC_Binarizer.h" -#include "xfa/fxbarcode/BC_LuminanceSource.h" -#include "xfa/fxbarcode/common/BC_CommonBitArray.h" -#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" -#include "xfa/fxbarcode/utils.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(); - std::unique_ptr 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(); - std::unique_ptr matrix(new CBC_CommonBitMatrix()); - matrix->Init(width, height); - 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, nullptr); - 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, nullptr); - std::unique_ptr 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/fxbarcode/common/BC_GlobalHistogramBinarizer.h b/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h deleted file mode 100644 index 786e8e0a53..0000000000 --- a/xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h +++ /dev/null @@ -1,37 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#ifndef XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ -#define XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ - -#include "core/fxcrt/include/fx_basic.h" -#include "xfa/fxbarcode/BC_Binarizer.h" - -class CBC_CommonBitArray; -class CBC_CommonBitMatrix; -class CBC_LuminanceSource; - -class CBC_GlobalHistogramBinarizer : public CBC_Binarizer { - public: - CBC_GlobalHistogramBinarizer(CBC_LuminanceSource* source); - ~CBC_GlobalHistogramBinarizer() override; - - void InitArrays(int32_t luminanceSize); - - // CBC_Binarizer - CBC_CommonBitMatrix* GetBlackMatrix(int32_t& e) override; - CBC_CommonBitArray* GetBlackRow(int32_t y, - CBC_CommonBitArray* row, - int32_t& e) override; - - static int32_t EstimateBlackPoint(CFX_Int32Array& buckets, int32_t& e); - - private: - CFX_ByteArray m_luminance; - CFX_Int32Array m_buckets; -}; - -#endif // XFA_FXBARCODE_COMMON_BC_GLOBALHISTOGRAMBINARIZER_H_ diff --git a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.cpp b/xfa/fxbarcode/common/BC_WhiteRectangleDetector.cpp deleted file mode 100644 index 45ffd63858..0000000000 --- a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.cpp +++ /dev/null @@ -1,262 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -// Original code is licensed as follows: -/* - * Copyright 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/fxbarcode/common/BC_WhiteRectangleDetector.h" - -#include - -#include "xfa/fxbarcode/BC_ResultPoint.h" -#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" -#include "xfa/fxbarcode/utils.h" - -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_ArrayTemplate* 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; - std::unique_ptr z; - for (int32_t i = 1; i < maxSize; i++) { - z.reset(GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(down - i), - (FX_FLOAT)(left + i), (FX_FLOAT)(down))); - if (z) - break; - } - if (!z.get()) { - e = BCExceptionNotFound; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - std::unique_ptr t; - for (int32_t j = 1; j < maxSize; j++) { - t.reset(GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(up + j), - (FX_FLOAT)(left + j), (FX_FLOAT)up)); - if (t) - break; - } - if (!t.get()) { - e = BCExceptionNotFound; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - std::unique_ptr x; - for (int32_t k = 1; k < maxSize; k++) { - x.reset(GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(up + k), - (FX_FLOAT)(right - k), (FX_FLOAT)up)); - if (x) - break; - } - if (!x.get()) { - e = BCExceptionNotFound; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - std::unique_ptr y; - for (int32_t m = 1; m < maxSize; m++) { - y.reset(GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(down - m), - (FX_FLOAT)(right - m), (FX_FLOAT)down)); - if (y) - break; - } - if (!y.get()) { - e = BCExceptionNotFound; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - return CenterEdges(y.get(), z.get(), x.get(), t.get()); - } - - e = BCExceptionNotFound; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - return nullptr; -} - -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 nullptr; -} -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_ArrayTemplate* CBC_WhiteRectangleDetector::CenterEdges( - CBC_ResultPoint* y, - CBC_ResultPoint* z, - CBC_ResultPoint* x, - CBC_ResultPoint* t) const { - CFX_ArrayTemplate* result = - new CFX_ArrayTemplate(); - result->SetSize(4); - - 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) { - (*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; - } - - (*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/fxbarcode/common/BC_WhiteRectangleDetector.h b/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h deleted file mode 100644 index 427d7b85ca..0000000000 --- a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h +++ /dev/null @@ -1,57 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#ifndef XFA_FXBARCODE_COMMON_BC_WHITERECTANGLEDETECTOR_H_ -#define XFA_FXBARCODE_COMMON_BC_WHITERECTANGLEDETECTOR_H_ - -#include "core/fxcrt/include/fx_basic.h" - -class CBC_CommonBitMatrix; -class CBC_ResultPoint; - -class CBC_WhiteRectangleDetector { - public: - explicit CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image); - CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image, - int32_t initSize, - int32_t x, - int32_t y); - virtual ~CBC_WhiteRectangleDetector(); - - virtual void Init(int32_t& e); - - CFX_ArrayTemplate* Detect(int32_t& e); - - private: - int32_t Round(FX_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_ArrayTemplate* CenterEdges(CBC_ResultPoint* y, - CBC_ResultPoint* z, - CBC_ResultPoint* x, - CBC_ResultPoint* t) const; - - FX_BOOL ContainsBlackPoint(int32_t a, - int32_t b, - int32_t fixed, - FX_BOOL horizontal); - - static const int32_t INIT_SIZE = 30; - static const int32_t CORR = 1; - - 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 // XFA_FXBARCODE_COMMON_BC_WHITERECTANGLEDETECTOR_H_ diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp deleted file mode 100644 index 8788afbda8..0000000000 --- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.cpp +++ /dev/null @@ -1,221 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -// Original code is licensed as follows: -/* - * Copyright 2007 ZXing authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h" - -#include -#include - -#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" -#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.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); - std::unique_ptr temp( - m_field->BuildMonomial(twoS, 1, e)); - BC_EXCEPTION_CHECK_ReturnVoid(e); - std::unique_ptr> sigmaOmega( - RunEuclideanAlgorithm(temp.get(), &syndrome, twoS, e)); - BC_EXCEPTION_CHECK_ReturnVoid(e); - std::unique_ptr sigma((*sigmaOmega)[0]); - std::unique_ptr omega((*sigmaOmega)[1]); - std::unique_ptr errorLocations( - FindErrorLocations(sigma.get(), e)); - BC_EXCEPTION_CHECK_ReturnVoid(e); - std::unique_ptr errorMagnitudes( - FindErrorMagnitudes(omega.get(), errorLocations.get(), dataMatrix, e)); - BC_EXCEPTION_CHECK_ReturnVoid(e); - 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_ArrayTemplate* -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; - } - std::unique_ptr rLast(a->Clone(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr r(b->Clone(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr sLast(m_field->GetOne()->Clone(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr s(m_field->GetZero()->Clone(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr tLast(m_field->GetZero()->Clone(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr t(m_field->GetOne()->Clone(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - while (r->GetDegree() >= R / 2) { - std::unique_ptr rLastLast = std::move(rLast); - std::unique_ptr sLastLast = std::move(sLast); - std::unique_ptr tLastlast = std::move(tLast); - rLast = std::move(r); - sLast = std::move(s); - tLast = std::move(t); - if (rLast->IsZero()) { - e = BCExceptionR_I_1IsZero; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - r.reset(rLastLast->Clone(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr q(m_field->GetZero()->Clone(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - int32_t denominatorLeadingTerm = rLast->GetCoefficients(rLast->GetDegree()); - int32_t dltInverse = m_field->Inverse(denominatorLeadingTerm, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - 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); - std::unique_ptr build( - m_field->BuildMonomial(degreeDiff, scale, e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - q.reset(q->AddOrSubtract(build.get(), e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr multiply( - rLast->MultiplyByMonomial(degreeDiff, scale, e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - r.reset(r->AddOrSubtract(multiply.get(), e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - std::unique_ptr temp1( - q->Multiply(sLast.get(), e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - s.reset(temp1->AddOrSubtract(sLastLast.get(), e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr temp5( - q->Multiply(tLast.get(), e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - t.reset(temp5->AddOrSubtract(tLastlast.get(), e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - int32_t sigmaTildeAtZero = t->GetCoefficients(0); - if (sigmaTildeAtZero == 0) { - e = BCExceptionIsZero; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - int32_t inverse = m_field->Inverse(sigmaTildeAtZero, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr sigma(t->Multiply(inverse, e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - std::unique_ptr omega(r->Multiply(inverse, e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - CFX_ArrayTemplate* temp = - new CFX_ArrayTemplate(); - 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) { - std::unique_ptr temp(new CFX_Int32Array); - temp->Add(errorLocator->GetCoefficients(1)); - return temp.release(); - } - CFX_Int32Array* tempT = new CFX_Int32Array; - tempT->SetSize(numErrors); - std::unique_ptr 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, nullptr); - ie++; - } - } - if (ie != numErrors) { - e = BCExceptionDegreeNotMatchRoots; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - 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* tempArray = new CFX_Int32Array; - tempArray->SetSize(s); - std::unique_ptr result(tempArray); - for (int32_t i = 0; i < s; i++) { - int32_t xiInverse = m_field->Inverse(errorLocations->operator[](i), e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - 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, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - (*result)[i] = - m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), temp); - } - return result.release(); -} diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h deleted file mode 100644 index d42af6a27a..0000000000 --- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h +++ /dev/null @@ -1,37 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#ifndef XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_ -#define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_ - -#include "core/fxcrt/include/fx_basic.h" - -class CBC_ReedSolomonGF256; -class CBC_ReedSolomonGF256Poly; - -class CBC_ReedSolomonDecoder { - public: - CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field); - virtual ~CBC_ReedSolomonDecoder(); - - void Decode(CFX_Int32Array* received, int32_t twoS, int32_t& e); - CFX_ArrayTemplate* 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); - - private: - CBC_ReedSolomonGF256* m_field; -}; - -#endif // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONDECODER_H_ -- cgit v1.2.3