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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/qrcode/BC_QRCodeWriter.h"
#include "fxbarcode/common/BC_CommonByteMatrix.h"
#include "fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
#include "fxbarcode/qrcode/BC_QRCoder.h"
#include "fxbarcode/qrcode/BC_QRCoderEncoder.h"
#include "fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h"
#include "fxbarcode/qrcode/BC_QRCoderMode.h"
#include "fxbarcode/qrcode/BC_QRCoderVersion.h"
#include "third_party/base/stl_util.h"
CBC_QRCodeWriter::CBC_QRCodeWriter() : CBC_TwoDimWriter(true) {}
CBC_QRCodeWriter::~CBC_QRCodeWriter() = default;
bool CBC_QRCodeWriter::SetErrorCorrectionLevel(int32_t level) {
if (level < 0 || level > 3) {
return false;
}
set_error_correction_level(level);
return true;
}
std::vector<uint8_t, FxAllocAllocator<uint8_t>> CBC_QRCodeWriter::Encode(
WideStringView contents,
int32_t ecLevel,
int32_t* pOutWidth,
int32_t* pOutHeight) {
std::vector<uint8_t, FxAllocAllocator<uint8_t>> results;
CBC_QRCoderErrorCorrectionLevel* ec = nullptr;
switch (ecLevel) {
case 0:
ec = CBC_QRCoderErrorCorrectionLevel::L;
break;
case 1:
ec = CBC_QRCoderErrorCorrectionLevel::M;
break;
case 2:
ec = CBC_QRCoderErrorCorrectionLevel::Q;
break;
case 3:
ec = CBC_QRCoderErrorCorrectionLevel::H;
break;
default:
return results;
}
CBC_QRCoder qr;
if (!CBC_QRCoderEncoder::Encode(contents, ec, &qr))
return results;
*pOutWidth = qr.GetMatrixWidth();
*pOutHeight = qr.GetMatrixWidth();
results = pdfium::Vector2D<uint8_t, FxAllocAllocator<uint8_t>>(*pOutWidth,
*pOutHeight);
memcpy(results.data(), qr.GetMatrix()->GetArray().data(),
*pOutWidth * *pOutHeight);
return results;
}