diff options
Diffstat (limited to 'xfa/src/fxbarcode/qrcode/BC_QRDataBlock.cpp')
-rw-r--r-- | xfa/src/fxbarcode/qrcode/BC_QRDataBlock.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRDataBlock.cpp b/xfa/src/fxbarcode/qrcode/BC_QRDataBlock.cpp new file mode 100644 index 0000000000..cf85c33d5d --- /dev/null +++ b/xfa/src/fxbarcode/qrcode/BC_QRDataBlock.cpp @@ -0,0 +1,111 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com +// Original code is licensed as follows: +/* + * Copyright 2007 ZXing authors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "xfa/src/fxbarcode/barcode.h" +#include "BC_QRCoderECBlocks.h" +#include "BC_QRCoderECB.h" +#include "BC_QRDataBlock.h" +#include "BC_QRCoderVersion.h" +CBC_QRDataBlock::CBC_QRDataBlock(int32_t numDataCodewords, + CFX_ByteArray* codewords) + : m_numDataCodewords(numDataCodewords), m_codewords(codewords) {} +CBC_QRDataBlock::~CBC_QRDataBlock() { + if (m_codewords != NULL) { + delete m_codewords; + m_codewords = NULL; + } +} +int32_t CBC_QRDataBlock::GetNumDataCodewords() { + return m_numDataCodewords; +} +CFX_ByteArray* CBC_QRDataBlock::GetCodewords() { + return m_codewords; +} +CFX_PtrArray* CBC_QRDataBlock::GetDataBlocks( + CFX_ByteArray* rawCodewords, + CBC_QRCoderVersion* version, + CBC_QRCoderErrorCorrectionLevel* ecLevel, + int32_t& e) { + if (rawCodewords->GetSize() != version->GetTotalCodeWords()) { + e = BCExceptionIllegalArgument; + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + } + CBC_QRCoderECBlocks* ecBlocks = version->GetECBlocksForLevel(ecLevel); + int32_t totalBlocks = 0; + CFX_PtrArray* ecBlockArray = ecBlocks->GetECBlocks(); + int32_t i = 0; + for (i = 0; i < ecBlockArray->GetSize(); i++) { + totalBlocks += ((CBC_QRCoderECB*)(*ecBlockArray)[i])->GetCount(); + } + CFX_PtrArray* datablock = new CFX_PtrArray(); + datablock->SetSize(totalBlocks); + CBC_AutoPtr<CFX_PtrArray> result(datablock); + int32_t numResultBlocks = 0; + for (int32_t j = 0; j < ecBlockArray->GetSize(); j++) { + CBC_QRCoderECB* ecBlock = (CBC_QRCoderECB*)(*ecBlockArray)[j]; + for (int32_t k = 0; k < ecBlock->GetCount(); k++) { + int32_t numDataCodewords = ecBlock->GetDataCodeWords(); + int32_t numBlockCodewords = + ecBlocks->GetECCodeWordsPerBlock() + numDataCodewords; + CFX_ByteArray* bytearray = new CFX_ByteArray(); + bytearray->SetSize(numBlockCodewords); + (*result)[numResultBlocks++] = + new CBC_QRDataBlock(numDataCodewords, bytearray); + } + } + int32_t shorterBlocksTotalCodewords = + ((CBC_QRDataBlock*)(*result)[0])->m_codewords->GetSize(); + int32_t longerBlocksStartAt = result->GetSize() - 1; + while (longerBlocksStartAt >= 0) { + int32_t numCodewords = ((CBC_QRDataBlock*)(*result)[longerBlocksStartAt]) + ->m_codewords->GetSize(); + if (numCodewords == shorterBlocksTotalCodewords) { + break; + } + longerBlocksStartAt--; + } + longerBlocksStartAt++; + int32_t shorterBlocksNumDataCodewords = + shorterBlocksTotalCodewords - ecBlocks->GetECCodeWordsPerBlock(); + int32_t rawCodewordsOffset = 0; + int32_t x = 0; + for (int32_t k = 0; k < shorterBlocksNumDataCodewords; k++) { + for (x = 0; x < numResultBlocks; x++) { + (*(((CBC_QRDataBlock*)(*result)[x])->m_codewords))[k] = + (*rawCodewords)[rawCodewordsOffset++]; + } + } + for (x = longerBlocksStartAt; x < numResultBlocks; x++) { + (*(((CBC_QRDataBlock*)(*result)[x]) + ->m_codewords))[shorterBlocksNumDataCodewords] = + (*rawCodewords)[rawCodewordsOffset++]; + } + int32_t max = ((CBC_QRDataBlock*)(*result)[0])->m_codewords->GetSize(); + for (i = shorterBlocksNumDataCodewords; i < max; i++) { + for (int32_t y = 0; y < numResultBlocks; y++) { + int32_t iOffset = y < longerBlocksStartAt ? i : i + 1; + (*(((CBC_QRDataBlock*)(*result)[y])->m_codewords))[iOffset] = + (*rawCodewords)[rawCodewordsOffset++]; + } + } + return result.release(); +} |