From 1770c021cf998ff1b33855b1397f6ea8ff9f7cd7 Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Mon, 14 Mar 2016 14:14:16 -0400 Subject: Move xfa/src up to xfa/. This CL moves the xfa/src files up to the xfa/ directory and fixes the includes, include guards, and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1803723002 . --- xfa/fxbarcode/qrcode/BC_QRCoderDecoder.cpp | 129 +++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 xfa/fxbarcode/qrcode/BC_QRCoderDecoder.cpp (limited to 'xfa/fxbarcode/qrcode/BC_QRCoderDecoder.cpp') diff --git a/xfa/fxbarcode/qrcode/BC_QRCoderDecoder.cpp b/xfa/fxbarcode/qrcode/BC_QRCoderDecoder.cpp new file mode 100644 index 0000000000..1966146805 --- /dev/null +++ b/xfa/fxbarcode/qrcode/BC_QRCoderDecoder.cpp @@ -0,0 +1,129 @@ +// 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/qrcode/BC_QRCoderDecoder.h" + +#include + +#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" +#include "xfa/fxbarcode/common/BC_CommonDecoderResult.h" +#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h" +#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" +#include "xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.h" +#include "xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.h" +#include "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h" +#include "xfa/fxbarcode/qrcode/BC_QRDataBlock.h" +#include "xfa/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.h" + +CBC_QRCoderDecoder::CBC_QRCoderDecoder() { + m_rsDecoder = NULL; +} + +void CBC_QRCoderDecoder::Init() { + m_rsDecoder = new CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::QRCodeFild); +} +CBC_QRCoderDecoder::~CBC_QRCoderDecoder() { + delete m_rsDecoder; +} +CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(FX_BOOL* image, + int32_t width, + int32_t height, + int32_t& e) { + CBC_CommonBitMatrix bits; + bits.Init(width); + for (int32_t i = 0; i < width; i++) { + for (int32_t j = 0; j < height; j++) { + if (image[i * width + j]) { + bits.Set(j, i); + } + } + } + CBC_CommonDecoderResult* cdr = Decode(&bits, height, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return cdr; +} +CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(CBC_CommonBitMatrix* bits, + int32_t byteModeDecode, + int32_t& e) { + CBC_QRBitMatrixParser parser; + parser.Init(bits, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_QRCoderVersion* version = parser.ReadVersion(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_QRCoderFormatInformation* temp = parser.ReadFormatInformation(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_QRCoderErrorCorrectionLevel* ecLevel = temp->GetErrorCorrectionLevel(); + std::unique_ptr codewords(parser.ReadCodewords(e)); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CFX_PtrArray* dataBlocks = + CBC_QRDataBlock::GetDataBlocks(codewords.get(), version, ecLevel, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + int32_t totalBytes = 0; + for (int32_t i = 0; i < dataBlocks->GetSize(); i++) { + totalBytes += ((CBC_QRDataBlock*)((*dataBlocks)[i]))->GetNumDataCodewords(); + } + CFX_ByteArray resultBytes; + for (int32_t j = 0; j < dataBlocks->GetSize(); j++) { + CBC_QRDataBlock* dataBlock = (CBC_QRDataBlock*)((*dataBlocks)[j]); + CFX_ByteArray* codewordBytes = dataBlock->GetCodewords(); + int32_t numDataCodewords = dataBlock->GetNumDataCodewords(); + CorrectErrors(codewordBytes, numDataCodewords, e); + if (e != BCExceptionNO) { + for (int32_t k = 0; k < dataBlocks->GetSize(); k++) { + delete (CBC_QRDataBlock*)(*dataBlocks)[k]; + } + dataBlocks->RemoveAll(); + delete dataBlocks; + dataBlocks = NULL; + return NULL; + } + for (int32_t i = 0; i < numDataCodewords; i++) { + resultBytes.Add((*codewordBytes)[i]); + } + } + for (int32_t k = 0; k < dataBlocks->GetSize(); k++) { + delete (CBC_QRDataBlock*)(*dataBlocks)[k]; + } + dataBlocks->RemoveAll(); + delete dataBlocks; + dataBlocks = NULL; + CBC_CommonDecoderResult* cdr = CBC_QRDecodedBitStreamParser::Decode( + &resultBytes, version, ecLevel, byteModeDecode, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return cdr; +} +void CBC_QRCoderDecoder::CorrectErrors(CFX_ByteArray* codewordBytes, + int32_t numDataCodewords, + int32_t& e) { + int32_t numCodewords = codewordBytes->GetSize(); + CFX_Int32Array codewordsInts; + codewordsInts.SetSize(numCodewords); + for (int32_t i = 0; i < numCodewords; i++) { + codewordsInts[i] = (int32_t)((*codewordBytes)[i] & 0xff); + } + int32_t numECCodewords = codewordBytes->GetSize() - numDataCodewords; + m_rsDecoder->Decode(&codewordsInts, numECCodewords, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + for (int32_t k = 0; k < numDataCodewords; k++) { + (*codewordBytes)[k] = (uint8_t)codewordsInts[k]; + } +} -- cgit v1.2.3