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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVECIRCLEMAPITEM_H
#define QDECLARATIVECIRCLEMAPITEM_H
#include "qdeclarativegeomapitembase_p.h"
#include "qdeclarativepolylinemapitem_p.h"
#include "qdeclarativepolygonmapitem_p.h"
#include <QSGGeometryNode>
#include <QSGFlatColorMaterial>
QT_BEGIN_NAMESPACE
class QDeclarativeGeoMapQuickItem;
class QGeoMapCircleGeometry : public QGeoMapPolygonGeometry
{
public:
QGeoMapCircleGeometry();
void updateScreenPointsInvert(const QGeoMap &map);
};
class 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);
virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *);
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;
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) Q_DECL_OVERRIDE;
protected Q_SLOTS:
virtual void updateMapItem();
void updateMapItemAssumeDirty();
void afterViewportChanged(const QGeoMapViewportChangeEvent &event);
private:
bool preserveCircleGeometry(QList<QGeoCoordinate> &path, const QGeoCoordinate ¢er,
qreal distance, QGeoCoordinate &leftBoundCoord);
void updateCirclePathForRendering(QList<QGeoCoordinate> &path, const QGeoCoordinate ¢er,
qreal distance);
private:
QGeoCoordinate center_;
QDeclarativeMapLineProperties border_;
QColor color_;
qreal radius_;
QList<QGeoCoordinate> circlePath_;
bool dirtyMaterial_;
QGeoMapCircleGeometry geometry_;
QGeoMapPolylineGeometry borderGeometry_;
bool updatingGeometry_;
};
//////////////////////////////////////////////////////////////////////
QT_END_NAMESPACE
QML_DECLARE_TYPE(QDeclarativeCircleMapItem)
#endif /* QDECLARATIVECIRCLEMAPITEM_H */
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