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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEPOLYGONMAPITEM
#define QDECLARATIVEPOLYGONMAPITEM
#include "qdeclarativegeomapitembase_p.h"
#include "qdeclarativepolylinemapitem_p.h"
#include "qgeomapitemgeometry_p.h"
#include <QSGGeometryNode>
#include <QSGFlatColorMaterial>
QT_BEGIN_NAMESPACE
class MapPolygonNode;
class QGeoMapPolygonGeometry : public QGeoMapItemGeometry
{
Q_OBJECT
public:
explicit QGeoMapPolygonGeometry(QObject *parent = 0);
void updateSourcePoints(const QGeoMap &map,
const QList<QGeoCoordinate> &path);
void updateScreenPoints(const QGeoMap &map);
private:
QPainterPath srcPath_;
};
class QDeclarativePolygonMapItem : public QDeclarativeGeoMapItemBase
{
Q_OBJECT
Q_PROPERTY(QQmlListProperty<QDeclarativeCoordinate> path READ declarativePath NOTIFY pathChanged)
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
Q_PROPERTY(QDeclarativeMapLineProperties *border READ border CONSTANT)
public:
explicit QDeclarativePolygonMapItem(QQuickItem *parent = 0);
~QDeclarativePolygonMapItem();
virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map);
//from QuickItem
virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *);
Q_INVOKABLE void addCoordinate(QDeclarativeCoordinate *coordinate);
Q_INVOKABLE void removeCoordinate(QDeclarativeCoordinate *coordinate);
QQmlListProperty<QDeclarativeCoordinate> declarativePath();
QColor color() const;
void setColor(const QColor &color);
QDeclarativeMapLineProperties *border();
bool contains(const QPointF &point);
void dragEnded();
Q_SIGNALS:
void pathChanged();
void colorChanged(const QColor &color);
protected Q_SLOTS:
virtual void updateMapItem();
void handleBorderUpdated();
void afterViewportChanged(const QGeoMapViewportChangeEvent &event);
private Q_SLOTS:
// map size changed
void updateAfterCoordinateChanged();
private:
static void path_append(QQmlListProperty<QDeclarativeCoordinate> *prop, QDeclarativeCoordinate *coordinate);
static int path_count(QQmlListProperty<QDeclarativeCoordinate> *prop);
static QDeclarativeCoordinate *path_at(QQmlListProperty<QDeclarativeCoordinate> *prop, int index);
static void path_clear(QQmlListProperty<QDeclarativeCoordinate> *prop);
void pathPropertyChanged();
private:
QDeclarativeMapLineProperties border_;
QList<QDeclarativeCoordinate *> coordPath_;
QList<QGeoCoordinate> path_;
QColor color_;
bool dirtyMaterial_;
QGeoMapPolygonGeometry geometry_;
QGeoMapPolylineGeometry borderGeometry_;
};
//////////////////////////////////////////////////////////////////////
class MapPolygonNode : public QSGGeometryNode
{
public:
MapPolygonNode();
~MapPolygonNode();
void update(const QColor &fillColor, const QColor &borderColor,
const QGeoMapItemGeometry *fillShape,
const QGeoMapItemGeometry *borderShape);
bool isSubtreeBlocked() const;
private:
QSGFlatColorMaterial fill_material_;
MapPolylineNode *border_;
QSGGeometry geometry_;
bool blocked_;
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QT_PREPEND_NAMESPACE(QDeclarativePolygonMapItem));
#endif /* QDECLARATIVEPOLYGONMAPITEM_H_ */
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