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binarygeometry.cpp
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binarygeometry.cpp
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/*****************************************************************************
* Copyright 2015-2023 Alexander Barthel alex@littlenavmap.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#include "fs/common/binarygeometry.h"
#include <QDataStream>
namespace atools {
namespace fs {
namespace common {
BinaryGeometry::BinaryGeometry(const geo::LineString& value)
: geometry(value)
{
}
BinaryGeometry::BinaryGeometry(const QByteArray& bytes)
{
readFromByteArray(bytes);
}
BinaryGeometry::BinaryGeometry()
{
}
void BinaryGeometry::readFromByteArray(const QByteArray& bytes)
{
geometry.clear();
QDataStream in(bytes);
in.setVersion(QDataStream::Qt_5_5);
in.setFloatingPointPrecision(QDataStream::SinglePrecision);
quint32 size;
float lonx, laty;
in >> size;
for(unsigned int i = 0; i < size; i++)
{
in >> lonx >> laty;
geometry.append(lonx, laty);
}
}
QByteArray BinaryGeometry::writeToByteArray() const
{
QByteArray bytes;
QDataStream out(&bytes, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_5_5);
out.setFloatingPointPrecision(QDataStream::SinglePrecision);
out << static_cast<quint32>(geometry.size());
for(const atools::geo::Pos& pos : qAsConst(geometry))
out << pos.getLonX() << pos.getLatY();
return bytes;
}
} // namespace common
} // namespace fs
} // namespace atools