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// 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 "fxbarcode/datamatrix/BC_DataMatrixWriter.h"
#include <memory>
#include "fxbarcode/BC_TwoDimWriter.h"
#include "fxbarcode/BC_UtilCodingConvert.h"
#include "fxbarcode/BC_Writer.h"
#include "fxbarcode/common/BC_CommonBitMatrix.h"
#include "fxbarcode/common/BC_CommonByteMatrix.h"
#include "fxbarcode/datamatrix/BC_ASCIIEncoder.h"
#include "fxbarcode/datamatrix/BC_Base256Encoder.h"
#include "fxbarcode/datamatrix/BC_C40Encoder.h"
#include "fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.h"
#include "fxbarcode/datamatrix/BC_DefaultPlacement.h"
#include "fxbarcode/datamatrix/BC_EdifactEncoder.h"
#include "fxbarcode/datamatrix/BC_Encoder.h"
#include "fxbarcode/datamatrix/BC_EncoderContext.h"
#include "fxbarcode/datamatrix/BC_ErrorCorrection.h"
#include "fxbarcode/datamatrix/BC_HighLevelEncoder.h"
#include "fxbarcode/datamatrix/BC_SymbolInfo.h"
#include "fxbarcode/datamatrix/BC_SymbolShapeHint.h"
#include "fxbarcode/datamatrix/BC_TextEncoder.h"
#include "fxbarcode/datamatrix/BC_X12Encoder.h"
#include "third_party/base/ptr_util.h"
namespace {
std::unique_ptr<CBC_CommonByteMatrix> encodeLowLevel(
CBC_DefaultPlacement* placement,
CBC_SymbolInfo* symbolInfo) {
int32_t e = BCExceptionNO;
int32_t symbolWidth = symbolInfo->getSymbolDataWidth(e);
if (e != BCExceptionNO)
return nullptr;
int32_t symbolHeight = symbolInfo->getSymbolDataHeight(e);
if (e != BCExceptionNO)
return nullptr;
int32_t width = symbolInfo->getSymbolWidth(e);
if (e != BCExceptionNO)
return nullptr;
int32_t height = symbolInfo->getSymbolHeight(e);
if (e != BCExceptionNO)
return nullptr;
auto matrix = pdfium::MakeUnique<CBC_CommonByteMatrix>(width, height);
matrix->Init();
int32_t matrixY = 0;
for (int32_t y = 0; y < symbolHeight; y++) {
int32_t matrixX;
if ((y % symbolInfo->m_matrixHeight) == 0) {
matrixX = 0;
for (int32_t x = 0; x < symbolInfo->getSymbolWidth(e); x++) {
matrix->Set(matrixX, matrixY, (x % 2) == 0);
matrixX++;
}
matrixY++;
}
matrixX = 0;
for (int32_t x = 0; x < symbolWidth; x++) {
if ((x % symbolInfo->m_matrixWidth) == 0) {
matrix->Set(matrixX, matrixY, true);
matrixX++;
}
matrix->Set(matrixX, matrixY, placement->getBit(x, y));
matrixX++;
if ((x % symbolInfo->m_matrixWidth) == symbolInfo->m_matrixWidth - 1) {
matrix->Set(matrixX, matrixY, (y % 2) == 0);
matrixX++;
}
}
matrixY++;
if ((y % symbolInfo->m_matrixHeight) == symbolInfo->m_matrixHeight - 1) {
matrixX = 0;
for (int32_t x = 0; x < symbolInfo->getSymbolWidth(e); x++) {
matrix->Set(matrixX, matrixY, true);
matrixX++;
}
matrixY++;
}
}
return matrix;
}
} // namespace
CBC_DataMatrixWriter::CBC_DataMatrixWriter() {}
CBC_DataMatrixWriter::~CBC_DataMatrixWriter() {}
bool CBC_DataMatrixWriter::SetErrorCorrectionLevel(int32_t level) {
m_iCorrectLevel = level;
return true;
}
uint8_t* CBC_DataMatrixWriter::Encode(const CFX_WideString& contents,
int32_t& outWidth,
int32_t& outHeight) {
if (outWidth < 0 || outHeight < 0)
return nullptr;
CBC_SymbolShapeHint::SymbolShapeHint shape =
CBC_SymbolShapeHint::FORCE_SQUARE;
CFX_WideString ecLevel;
int32_t e = BCExceptionNO;
CFX_WideString encoded =
CBC_HighLevelEncoder::encodeHighLevel(contents, ecLevel, shape, e);
if (e != BCExceptionNO)
return nullptr;
CBC_SymbolInfo* symbolInfo =
CBC_SymbolInfo::lookup(encoded.GetLength(), shape, true, e);
if (e != BCExceptionNO)
return nullptr;
CFX_WideString codewords =
CBC_ErrorCorrection::encodeECC200(encoded, symbolInfo, e);
if (e != BCExceptionNO)
return nullptr;
int32_t width = symbolInfo->getSymbolDataWidth(e);
if (e != BCExceptionNO)
return nullptr;
int32_t height = symbolInfo->getSymbolDataHeight(e);
if (e != BCExceptionNO)
return nullptr;
auto placement =
pdfium::MakeUnique<CBC_DefaultPlacement>(codewords, width, height);
placement->place();
auto bytematrix = encodeLowLevel(placement.get(), symbolInfo);
if (!bytematrix)
return nullptr;
outWidth = bytematrix->GetWidth();
outHeight = bytematrix->GetHeight();
uint8_t* result = FX_Alloc2D(uint8_t, outWidth, outHeight);
memcpy(result, bytematrix->GetArray(), outWidth * outHeight);
return result;
}
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