| // 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/datamatrix/BC_DataMatrixDataBlock.h" |
| |
| #include <memory> |
| |
| #include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h" |
| #include "xfa/fxbarcode/utils.h" |
| |
| CBC_DataMatrixDataBlock::~CBC_DataMatrixDataBlock() {} |
| CBC_DataMatrixDataBlock::CBC_DataMatrixDataBlock(int32_t numDataCodewords, |
| CFX_ByteArray* codewords) { |
| m_codewords.Copy(*codewords); |
| m_numDataCodewords = numDataCodewords; |
| } |
| CFX_PtrArray* CBC_DataMatrixDataBlock::GetDataBlocks( |
| CFX_ByteArray* rawCodewords, |
| CBC_DataMatrixVersion* version, |
| int32_t& e) { |
| ECBlocks* ecBlocks = version->GetECBlocks(); |
| int32_t totalBlocks = 0; |
| const CFX_PtrArray& ecBlockArray = ecBlocks->GetECBlocks(); |
| int32_t i; |
| for (i = 0; i < ecBlockArray.GetSize(); i++) { |
| totalBlocks += ((ECB*)ecBlockArray[i])->GetCount(); |
| } |
| std::unique_ptr<CFX_PtrArray> result(new CFX_PtrArray()); |
| result->SetSize(totalBlocks); |
| int32_t numResultBlocks = 0; |
| int32_t j; |
| for (j = 0; j < ecBlockArray.GetSize(); j++) { |
| for (i = 0; i < ((ECB*)ecBlockArray[j])->GetCount(); i++) { |
| int32_t numDataCodewords = ((ECB*)ecBlockArray[j])->GetDataCodewords(); |
| int32_t numBlockCodewords = ecBlocks->GetECCodewords() + numDataCodewords; |
| CFX_ByteArray codewords; |
| codewords.SetSize(numBlockCodewords); |
| (*result)[numResultBlocks++] = |
| new CBC_DataMatrixDataBlock(numDataCodewords, &codewords); |
| codewords.SetSize(0); |
| } |
| } |
| int32_t longerBlocksTotalCodewords = |
| ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize(); |
| int32_t longerBlocksNumDataCodewords = |
| longerBlocksTotalCodewords - ecBlocks->GetECCodewords(); |
| int32_t shorterBlocksNumDataCodewords = longerBlocksNumDataCodewords - 1; |
| int32_t rawCodewordsOffset = 0; |
| for (i = 0; i < shorterBlocksNumDataCodewords; i++) { |
| int32_t j; |
| for (j = 0; j < numResultBlocks; j++) { |
| if (rawCodewordsOffset < rawCodewords->GetSize()) { |
| ((CBC_DataMatrixDataBlock*)(*result)[j]) |
| ->GetCodewords() |
| -> |
| operator[](i) = (*rawCodewords)[rawCodewordsOffset++]; |
| } |
| } |
| } |
| const bool specialVersion = version->GetVersionNumber() == 24; |
| int32_t numLongerBlocks = specialVersion ? 8 : numResultBlocks; |
| for (j = 0; j < numLongerBlocks; j++) { |
| if (rawCodewordsOffset < rawCodewords->GetSize()) { |
| ((CBC_DataMatrixDataBlock*)(*result)[j]) |
| ->GetCodewords() |
| -> |
| operator[](longerBlocksNumDataCodewords - 1) = |
| (*rawCodewords)[rawCodewordsOffset++]; |
| } |
| } |
| int32_t max = |
| ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize(); |
| for (i = longerBlocksNumDataCodewords; i < max; i++) { |
| int32_t j; |
| for (j = 0; j < numResultBlocks; j++) { |
| int32_t iOffset = specialVersion && j > 7 ? i - 1 : i; |
| if (rawCodewordsOffset < rawCodewords->GetSize()) { |
| ((CBC_DataMatrixDataBlock*)(*result)[j]) |
| ->GetCodewords() |
| -> |
| operator[](iOffset) = (*rawCodewords)[rawCodewordsOffset++]; |
| } |
| } |
| } |
| if (rawCodewordsOffset != rawCodewords->GetSize()) { |
| e = BCExceptionIllegalArgument; |
| return NULL; |
| } |
| return result.release(); |
| } |
| int32_t CBC_DataMatrixDataBlock::GetNumDataCodewords() { |
| return m_numDataCodewords; |
| } |
| CFX_ByteArray* CBC_DataMatrixDataBlock::GetCodewords() { |
| return &m_codewords; |
| } |