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Diffstat (limited to 'src/location/declarativemaps/qdeclarativecirclemapitem_p.h')
| -rw-r--r-- | src/location/declarativemaps/qdeclarativecirclemapitem_p.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/location/declarativemaps/qdeclarativecirclemapitem_p.h b/src/location/declarativemaps/qdeclarativecirclemapitem_p.h new file mode 100644 index 00000000..62bef6d3 --- /dev/null +++ b/src/location/declarativemaps/qdeclarativecirclemapitem_p.h @@ -0,0 +1,134 @@ +/**************************************************************************** +** +** 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 QGeoMapCircleGeometry : public QGeoMapPolygonGeometry +{ +public: + QGeoMapCircleGeometry(); + + void updateScreenPointsInvert(const QList<QGeoCoordinate> &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) Q_DECL_OVERRIDE; + virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *) Q_DECL_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 Q_DECL_OVERRIDE; + const QGeoShape &geoShape() const Q_DECL_OVERRIDE; + +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; + void updatePolish() Q_DECL_OVERRIDE; + +protected Q_SLOTS: + void markSourceDirtyAndUpdate(); + virtual void afterViewportChanged(const QGeoMapViewportChangeEvent &event) Q_DECL_OVERRIDE; + +private: + bool preserveCircleGeometry(QList<QGeoCoordinate> &path, const QGeoCoordinate ¢er, + qreal distance); + void updateCirclePathForRendering(QList<QGeoCoordinate> &path, const QGeoCoordinate ¢er, + qreal distance); + +private: + QGeoCircle circle_; + QDeclarativeMapLineProperties border_; + QColor color_; + QList<QGeoCoordinate> circlePath_; + bool dirtyMaterial_; + QGeoMapCircleGeometry geometry_; + QGeoMapPolylineGeometry borderGeometry_; + bool updatingGeometry_; +}; + +////////////////////////////////////////////////////////////////////// + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QDeclarativeCircleMapItem) + +#endif /* QDECLARATIVECIRCLEMAPITEM_H */ |