diff options
Diffstat (limited to 'xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp')
| -rw-r--r-- | xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp b/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp deleted file mode 100644 index 81d27538bf..0000000000 --- a/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp +++ /dev/null @@ -1,183 +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/qrcode/BC_QRBitMatrixParser.h" - -#include <memory> - -#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" -#include "xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.h" -#include "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h" -#include "xfa/fxbarcode/qrcode/BC_QRDataMask.h" -#include "xfa/fxbarcode/utils.h" - -CBC_QRBitMatrixParser::CBC_QRBitMatrixParser() {} -void CBC_QRBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix, int32_t& e) { - m_dimension = bitMatrix->GetDimension(e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - m_tempBitMatrix = bitMatrix; - if (m_dimension < 21 || (m_dimension & 0x03) != 1) { - e = BCExceptionRead; - BC_EXCEPTION_CHECK_ReturnVoid(e); - } - m_bitMatrix = m_tempBitMatrix; - m_parsedFormatInfo = nullptr; - m_version = nullptr; -} -CBC_QRBitMatrixParser::~CBC_QRBitMatrixParser() { - delete m_parsedFormatInfo; -} -CBC_QRCoderFormatInformation* CBC_QRBitMatrixParser::ReadFormatInformation( - int32_t& e) { - if (m_parsedFormatInfo) { - return m_parsedFormatInfo; - } - int32_t formatInfoBits = 0; - int32_t j; - for (j = 0; j < 6; j++) { - formatInfoBits = CopyBit(8, j, formatInfoBits); - } - formatInfoBits = CopyBit(8, 7, formatInfoBits); - formatInfoBits = CopyBit(8, 8, formatInfoBits); - formatInfoBits = CopyBit(7, 8, formatInfoBits); - for (int32_t i = 5; i >= 0; i--) { - formatInfoBits = CopyBit(i, 8, formatInfoBits); - } - m_parsedFormatInfo = - CBC_QRCoderFormatInformation::DecodeFormatInformation(formatInfoBits); - if (m_parsedFormatInfo) { - return m_parsedFormatInfo; - } - int32_t dimension = m_bitMatrix->GetDimension(e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - formatInfoBits = 0; - int32_t iMin = dimension - 8; - for (j = dimension - 1; j >= iMin; j--) { - formatInfoBits = CopyBit(j, 8, formatInfoBits); - } - for (int32_t k = dimension - 7; k < dimension; k++) { - formatInfoBits = CopyBit(8, k, formatInfoBits); - } - m_parsedFormatInfo = - CBC_QRCoderFormatInformation::DecodeFormatInformation(formatInfoBits); - if (m_parsedFormatInfo) { - return m_parsedFormatInfo; - } - e = BCExceptionRead; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - return nullptr; -} -CBC_QRCoderVersion* CBC_QRBitMatrixParser::ReadVersion(int32_t& e) { - if (m_version) { - return m_version; - } - int32_t dimension = m_bitMatrix->GetDimension(e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - int32_t provisionVersion = (dimension - 17) >> 2; - if (provisionVersion <= 6) { - CBC_QRCoderVersion* qrv = - CBC_QRCoderVersion::GetVersionForNumber(provisionVersion, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - return qrv; - } - int32_t versionBits = 0; - for (int32_t i = 5; i >= 0; i--) { - int32_t jMin = dimension - 11; - for (int32_t j = dimension - 9; j >= jMin; j--) { - versionBits = CopyBit(i, j, versionBits); - } - } - m_version = CBC_QRCoderVersion::DecodeVersionInformation(versionBits, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - if (m_version && m_version->GetDimensionForVersion() == dimension) { - return m_version; - } - versionBits = 0; - for (int32_t j = 5; j >= 0; j--) { - int32_t iMin = dimension - 11; - for (int32_t i = dimension - 9; i >= iMin; i--) { - versionBits = CopyBit(i, j, versionBits); - } - } - m_version = CBC_QRCoderVersion::DecodeVersionInformation(versionBits, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - if (m_version && m_version->GetDimensionForVersion() == dimension) { - return m_version; - } - e = BCExceptionRead; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - return nullptr; -} -int32_t CBC_QRBitMatrixParser::CopyBit(int32_t i, - int32_t j, - int32_t versionBits) { - return m_bitMatrix->Get(j, i) ? (versionBits << 1) | 0x1 : versionBits << 1; -} -CFX_ByteArray* CBC_QRBitMatrixParser::ReadCodewords(int32_t& e) { - CBC_QRCoderFormatInformation* formatInfo = ReadFormatInformation(e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr) CBC_QRCoderVersion* version = - ReadVersion(e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - CBC_QRDataMask* dataMask = - CBC_QRDataMask::ForReference((int32_t)(formatInfo->GetDataMask()), e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - int32_t dimension = m_bitMatrix->GetDimension(e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - dataMask->UnmaskBitMatrix(m_bitMatrix, dimension); - std::unique_ptr<CBC_CommonBitMatrix> functionPattern( - version->BuildFunctionPattern(e)); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - FX_BOOL readingUp = TRUE; - std::unique_ptr<CFX_ByteArray> result(new CFX_ByteArray); - result->SetSize(version->GetTotalCodeWords()); - int32_t resultOffset = 0; - int32_t currentByte = 0; - int32_t bitsRead = 0; - for (int32_t j = dimension - 1; j > 0; j -= 2) { - if (j == 6) { - j--; - } - for (int32_t count = 0; count < dimension; count++) { - int32_t i = readingUp ? dimension - 1 - count : count; - for (int32_t col = 0; col < 2; col++) { - if (!functionPattern->Get(j - col, i)) { - bitsRead++; - currentByte <<= 1; - if (m_bitMatrix->Get(j - col, i)) { - currentByte |= 1; - } - if (bitsRead == 8) { - (*result)[resultOffset++] = (uint8_t)currentByte; - bitsRead = 0; - currentByte = 0; - } - } - } - } - readingUp ^= TRUE; - } - if (resultOffset != version->GetTotalCodeWords()) { - e = BCExceptionRead; - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } - return result.release(); -} |