// 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 "../barcode.h" | |
#include "BC_DataMatrixVersion.h" | |
#include "BC_DataMatrixDataBlock.h" | |
CBC_DataMatrixDataBlock::~CBC_DataMatrixDataBlock() | |
{ | |
} | |
CBC_DataMatrixDataBlock::CBC_DataMatrixDataBlock(FX_INT32 numDataCodewords, CFX_ByteArray *codewords) | |
{ | |
m_codewords.Copy(*codewords); | |
m_numDataCodewords = numDataCodewords; | |
} | |
CFX_PtrArray *CBC_DataMatrixDataBlock::GetDataBlocks(CFX_ByteArray* rawCodewords, CBC_DataMatrixVersion *version, FX_INT32 &e) | |
{ | |
ECBlocks *ecBlocks = version->GetECBlocks(); | |
FX_INT32 totalBlocks = 0; | |
const CFX_PtrArray &ecBlockArray = ecBlocks->GetECBlocks(); | |
FX_INT32 i; | |
for (i = 0; i < ecBlockArray.GetSize(); i++) { | |
totalBlocks += ((ECB*)ecBlockArray[i])->GetCount(); | |
} | |
CBC_AutoPtr<CFX_PtrArray>result(FX_NEW CFX_PtrArray()); | |
result->SetSize(totalBlocks); | |
FX_INT32 numResultBlocks = 0; | |
FX_INT32 j; | |
for (j = 0; j < ecBlockArray.GetSize(); j++) { | |
for (i = 0; i < ((ECB*)ecBlockArray[j])->GetCount(); i++) { | |
FX_INT32 numDataCodewords = ((ECB*)ecBlockArray[j])->GetDataCodewords(); | |
FX_INT32 numBlockCodewords = ecBlocks->GetECCodewords() + numDataCodewords; | |
CFX_ByteArray codewords; | |
codewords.SetSize(numBlockCodewords); | |
(*result)[numResultBlocks++] = FX_NEW CBC_DataMatrixDataBlock(numDataCodewords, &codewords); | |
codewords.SetSize(0); | |
} | |
} | |
FX_INT32 longerBlocksTotalCodewords = ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize(); | |
FX_INT32 longerBlocksNumDataCodewords = longerBlocksTotalCodewords - ecBlocks->GetECCodewords(); | |
FX_INT32 shorterBlocksNumDataCodewords = longerBlocksNumDataCodewords - 1; | |
FX_INT32 rawCodewordsOffset = 0; | |
for (i = 0; i < shorterBlocksNumDataCodewords; i++) { | |
FX_INT32 j; | |
for (j = 0; j < numResultBlocks; j++) { | |
if (rawCodewordsOffset < rawCodewords->GetSize()) { | |
((CBC_DataMatrixDataBlock*)(*result)[j])->GetCodewords()->operator [](i) = (*rawCodewords)[rawCodewordsOffset++]; | |
} | |
} | |
} | |
FX_BOOL specialVersion = version->GetVersionNumber() == 24; | |
FX_INT32 numLongerBlocks = specialVersion ? 8 : numResultBlocks; | |
for (j = 0; j < numLongerBlocks; j++) { | |
if (rawCodewordsOffset < rawCodewords->GetSize()) { | |
((CBC_DataMatrixDataBlock*)(*result)[j])->GetCodewords()->operator [](longerBlocksNumDataCodewords - 1) = (*rawCodewords)[rawCodewordsOffset++]; | |
} | |
} | |
FX_INT32 max = ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize(); | |
for (i = longerBlocksNumDataCodewords; i < max; i++) { | |
FX_INT32 j; | |
for (j = 0; j < numResultBlocks; j++) { | |
FX_INT32 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(); | |
} | |
FX_INT32 CBC_DataMatrixDataBlock::GetNumDataCodewords() | |
{ | |
return m_numDataCodewords; | |
} | |
CFX_ByteArray *CBC_DataMatrixDataBlock::GetCodewords() | |
{ | |
return &m_codewords; | |
} |