// 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_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 symbolWidth = symbolInfo->getSymbolDataWidth(); ASSERT(symbolWidth); int32_t symbolHeight = symbolInfo->getSymbolDataHeight(); ASSERT(symbolHeight); int32_t width = symbolInfo->getSymbolWidth(); ASSERT(width); int32_t height = symbolInfo->getSymbolHeight(); ASSERT(height); 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->matrixHeight()) == 0) { matrixX = 0; for (int32_t x = 0; x < width; x++) { matrix->Set(matrixX, matrixY, x % 2 == 0); matrixX++; } matrixY++; } matrixX = 0; for (int32_t x = 0; x < symbolWidth; x++) { if (x % symbolInfo->matrixWidth() == 0) { matrix->Set(matrixX, matrixY, true); matrixX++; } matrix->Set(matrixX, matrixY, placement->getBit(x, y)); matrixX++; if (x % symbolInfo->matrixWidth() == symbolInfo->matrixWidth() - 1) { matrix->Set(matrixX, matrixY, y % 2 == 0); matrixX++; } } matrixY++; if (y % symbolInfo->matrixHeight() == symbolInfo->matrixHeight() - 1) { matrixX = 0; for (int32_t x = 0; x < width; 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; CFX_WideString ecLevel; int32_t e = BCExceptionNO; CFX_WideString encoded = CBC_HighLevelEncoder::encodeHighLevel(contents, ecLevel, false, e); if (e != BCExceptionNO) return nullptr; CBC_SymbolInfo* symbolInfo = CBC_SymbolInfo::lookup(encoded.GetLength(), false, 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(); ASSERT(width); int32_t height = symbolInfo->getSymbolDataHeight(); ASSERT(height); 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; }