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/****************************************************************************
**
** Copyright (C) 2015 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 QDECLARATIVECIRCLEMAPITEM_H
#define QDECLARATIVECIRCLEMAPITEM_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 <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qdeclarativegeomapitembase_p.h>
#include <QtLocation/private/qdeclarativepolylinemapitem_p.h>
#include <QtLocation/private/qdeclarativepolygonmapitem_p.h>
#include <QSGGeometryNode>
#include <QSGFlatColorMaterial>
#include <QtPositioning/QGeoCircle>
QT_BEGIN_NAMESPACE
class Q_LOCATION_PRIVATE_EXPORT QGeoMapCircleGeometry : public QGeoMapPolygonGeometry
{
public:
QGeoMapCircleGeometry();
void updateScreenPointsInvert(const QList<QDoubleVector2D> &circlePath, const QGeoMap &map);
};
class Q_LOCATION_PRIVATE_EXPORT QDeclarativeCircleMapItem : public QDeclarativeGeoMapItemBase
{
Q_OBJECT
Q_PROPERTY(QGeoCoordinate center READ center WRITE setCenter NOTIFY centerChanged)
Q_PROPERTY(qreal radius READ radius WRITE setRadius NOTIFY radiusChanged)
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
Q_PROPERTY(QDeclarativeMapLineProperties *border READ border CONSTANT)
public:
explicit QDeclarativeCircleMapItem(QQuickItem *parent = 0);
~QDeclarativeCircleMapItem();
virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map) override;
virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *) override;
QGeoCoordinate center();
void setCenter(const QGeoCoordinate ¢er);
qreal radius() const;
void setRadius(qreal radius);
QColor color() const;
void setColor(const QColor &color);
QDeclarativeMapLineProperties *border();
bool contains(const QPointF &point) const override;
const QGeoShape &geoShape() const override;
void setGeoShape(const QGeoShape &shape) override;
static bool crossEarthPole(const QGeoCoordinate ¢er, qreal distance);
static void calculatePeripheralPoints(QList<QGeoCoordinate> &path, const QGeoCoordinate ¢er,
qreal distance, int steps, QGeoCoordinate &leftBound);
static bool preserveCircleGeometry(QList<QDoubleVector2D> &path, const QGeoCoordinate ¢er,
qreal distance, const QGeoProjectionWebMercator &p);
static void updateCirclePathForRendering(QList<QDoubleVector2D> &path, const QGeoCoordinate ¢er,
qreal distance, const QGeoProjectionWebMercator &p);
Q_SIGNALS:
void centerChanged(const QGeoCoordinate ¢er);
void radiusChanged(qreal radius);
void colorChanged(const QColor &color);
protected:
void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
void updatePolish() override;
protected Q_SLOTS:
void markSourceDirtyAndUpdate();
virtual void afterViewportChanged(const QGeoMapViewportChangeEvent &event) override;
private:
void updateCirclePath();
private:
QGeoCircle circle_;
QDeclarativeMapLineProperties border_;
QColor color_;
QList<QDoubleVector2D> circlePath_;
QGeoCoordinate leftBound_;
bool dirtyMaterial_;
QGeoMapCircleGeometry geometry_;
QGeoMapPolylineGeometry borderGeometry_;
bool updatingGeometry_;
};
//////////////////////////////////////////////////////////////////////
QT_END_NAMESPACE
QML_DECLARE_TYPE(QDeclarativeCircleMapItem)
#endif /* QDECLARATIVECIRCLEMAPITEM_H */
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