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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtPositioning module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
****************************************************************************/
#include "qclipperutils_p.h"
QT_BEGIN_NAMESPACE
static const double kClipperScaleFactor = 281474976710656.0; // 48 bits of precision
static const double kClipperScaleFactorInv = 1.0 / kClipperScaleFactor;
double QClipperUtils::clipperScaleFactor()
{
return kClipperScaleFactor;
}
QDoubleVector2D QClipperUtils::toVector2D(const IntPoint &p)
{
return QDoubleVector2D(double(p.X) * kClipperScaleFactorInv, double(p.Y) * kClipperScaleFactorInv);
}
IntPoint QClipperUtils::toIntPoint(const QDoubleVector2D &p)
{
return IntPoint(cInt(p.x() * kClipperScaleFactor), cInt(p.y() * kClipperScaleFactor));
}
QList<QDoubleVector2D> QClipperUtils::pathToQList(const Path &path)
{
QList<QDoubleVector2D> res;
res.reserve(int(path.size()));
for (const IntPoint &ip: path)
res.append(toVector2D(ip));
return res;
}
QList<QList<QDoubleVector2D> > QClipperUtils::pathsToQList(const Paths &paths)
{
QList<QList<QDoubleVector2D> > res;
res.reserve(int(paths.size()));
for (const Path &p: paths) {
res.append(pathToQList(p));
}
return res;
}
Path QClipperUtils::qListToPath(const QList<QDoubleVector2D> &list)
{
Path res;
res.reserve(list.size());
for (const QDoubleVector2D &p: list)
res.push_back(toIntPoint(p));
return res;
}
Paths QClipperUtils::qListToPaths(const QList<QList<QDoubleVector2D> > &lists)
{
Paths res;
res.reserve(lists.size());
for (const QList<QDoubleVector2D> &l: lists) {
res.push_back(qListToPath(l));
}
return res;
}
QT_END_NAMESPACE
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