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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGEOCAMERATILES_P_P_H
#define QGEOCAMERATILES_P_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qgeocameratiles_p.h"
#include <QtPositioning/private/qwebmercator_p.h>
#include <QtPositioning/private/qdoublevector2d_p.h>
#include <QtPositioning/private/qdoublevector3d_p.h>
#include "qgeomaptype_p.h"
#include "qgeocameradata_p.h"
#include "qgeotilespec_p.h"
#include <QtCore/qvector.h>
#include <QtCore/qset.h>
QT_BEGIN_NAMESPACE
struct Q_LOCATION_PRIVATE_EXPORT Frustum
{
QDoubleVector3D apex;
QDoubleVector3D topLeftNear;
QDoubleVector3D topLeftFar;
QDoubleVector3D topRightNear;
QDoubleVector3D topRightFar;
QDoubleVector3D bottomLeftNear;
QDoubleVector3D bottomLeftFar;
QDoubleVector3D bottomRightNear;
QDoubleVector3D bottomRightFar;
};
typedef QVector<QDoubleVector3D> PolygonVector;
class Q_LOCATION_PRIVATE_EXPORT QGeoCameraTilesPrivate
{
public:
struct ClippedFootprint
{
ClippedFootprint()
{}
ClippedFootprint(const PolygonVector &left_, const PolygonVector &mid_, const PolygonVector &right_)
: left(left_), mid(mid_), right(right_)
{}
PolygonVector left;
PolygonVector mid;
PolygonVector right;
};
struct TileMap
{
TileMap();
void add(int tileX, int tileY);
QMap<int, QPair<int, int> > data;
};
QGeoCameraTilesPrivate();
~QGeoCameraTilesPrivate();
void updateMetadata();
void updateGeometry();
Frustum createFrustum(double viewExpansion) const;
PolygonVector frustumFootprint(const Frustum &frustum) const;
QPair<PolygonVector, PolygonVector> splitPolygonAtAxisValue(const PolygonVector &polygon, int axis, double value) const;
ClippedFootprint clipFootprintToMap(const PolygonVector &footprint) const;
QList<QPair<double, int> > tileIntersections(double p1, int t1, double p2, int t2) const;
QSet<QGeoTileSpec> tilesFromPolygon(const PolygonVector &polygon) const;
static QGeoCameraTilesPrivate *get(QGeoCameraTiles *o) {
return o->d_ptr.data();
}
public:
QString m_pluginString;
QGeoMapType m_mapType;
int m_mapVersion;
QGeoCameraData m_camera;
QSize m_screenSize;
QRectF m_visibleArea;
int m_tileSize;
QSet<QGeoTileSpec> m_tiles;
int m_intZoomLevel;
int m_sideLength;
bool m_dirtyGeometry;
bool m_dirtyMetadata;
double m_viewExpansion;
#ifdef QT_LOCATION_DEBUG
// updateGeometry
ClippedFootprint m_clippedFootprint;
PolygonVector m_frustumFootprint;
Frustum m_frustum;
// createFrustum
mutable QDoubleVector3D m_createFrustum_center;
mutable QDoubleVector3D m_createFrustum_eye;
#endif
};
QT_END_NAMESPACE
#endif // QGEOCAMERATILES_P_P_H
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