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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 QGEOMAPITEMGEOMETRY_H
#define QGEOMAPITEMGEOMETRY_H
#include <QPainterPath>
#include <QPolygonF>
#include <QPointF>
#include <QRectF>
#include <QVector>
#include <QGeoCoordinate>
#include <QVector2D>
#include <QList>
QT_BEGIN_NAMESPACE
class QSGGeometry;
class QGeoMapItemGeometry : public QObject
{
Q_OBJECT
public:
struct Point
{
inline Point(qreal x, qreal y) : x(x), y(y) {}
inline Point() : x(0), y(0) {}
inline Point(const QPointF &pt) : x(pt.x()), y(pt.y()) {}
qreal x, y;
};
explicit QGeoMapItemGeometry(QObject *parent = 0);
inline bool isSourceDirty() const { return sourceDirty_; }
inline bool isScreenDirty() const { return screenDirty_; }
inline void markSourceDirty() { sourceDirty_ = true; screenDirty_ = true; }
inline void markScreenDirty() { screenDirty_ = true; }
inline void markClean() { screenDirty_ = (sourceDirty_ = false); }
inline QRectF sourceBoundingBox() const { return sourceBounds_; }
inline QRectF screenBoundingBox() const { return screenBounds_; }
inline QPointF firstPointOffset() const { return firstPointOffset_; }
void translate(const QPointF &offset);
inline const QGeoCoordinate &origin() const { return srcOrigin_; }
inline bool contains(const QPointF &screenPoint) const {
return screenOutline_.contains(screenPoint);
}
inline QVector2D vertex(quint32 index) const {
return QVector2D(screenVertices_[index].x, screenVertices_[index].y);
}
inline QVector<Point> vertices() const { return screenVertices_; }
inline QVector<quint32> indices() const { return screenIndices_; }
inline bool isIndexed() const { return (!screenIndices_.isEmpty()); }
/* Size is # of triangles */
inline quint32 size() const
{
if (isIndexed())
return screenIndices_.size() / 3;
else
return screenVertices_.size() / 3;
}
inline void clear() { firstPointOffset_ = QPointF(0,0);
screenVertices_.clear(); screenIndices_.clear(); }
void allocateAndFill(QSGGeometry *geom) const;
static QRectF translateToCommonOrigin(const QList<QGeoMapItemGeometry*> &geoms);
protected:
bool sourceDirty_, screenDirty_;
QPointF firstPointOffset_;
QPainterPath screenOutline_;
QRectF sourceBounds_;
QRectF screenBounds_;
QGeoCoordinate srcOrigin_;
QVector<Point> screenVertices_;
QVector<quint32> screenIndices_;
};
QT_END_NAMESPACE
#endif // QGEOMAPITEMGEOMETRY_H
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