QGeoProjection Class Reference

#include <qgeoprojection_p.h>

Inheritance diagram for QGeoProjection:

Collaboration diagram for QGeoProjection:

Public Types
enum	ProjectionGroup {   ProjectionOther , ProjectionCylindrical , ProjectionPseudocylindrical , ProjectionAzimuthal ,   ProjectionPseudoazimuthal , ProjectionConic , ProjectionPseudoconic }
enum	Datum { DatumUnknown , DatumWGS84 , DatumSphere }
enum	ProjectionType { ProjectionUnknown , ProjectionGeneralPerspective , ProjectionWebMercator }

Public Member Functions
	QGeoProjection ()
virtual	~QGeoProjection ()
virtual void	setVisibleArea (const QRectF &visibleArea)=0
virtual void	setViewportSize (const QSize &size)=0
virtual void	setCameraData (const QGeoCameraData &cameraData, bool force=true)=0
virtual QGeoCameraData	cameraData () const =0
virtual double	minimumZoom () const =0
virtual double	maximumCenterLatitudeAtZoom (const QGeoCameraData &cameraData) const =0
virtual double	minimumCenterLatitudeAtZoom (const QGeoCameraData &cameraData) const =0
virtual QGeoCoordinate	itemPositionToCoordinate (const QDoubleVector2D &pos, bool clipToViewport=true) const =0
virtual QDoubleVector2D	coordinateToItemPosition (const QGeoCoordinate &coordinate, bool clipToViewport=true) const =0
virtual ProjectionGroup	projectionGroup () const =0
virtual Datum	datum () const =0
virtual ProjectionType	projectionType () const =0
virtual QGeoCoordinate	anchorCoordinateToPoint (const QGeoCoordinate &coordinate, const QPointF &anchorPoint) const
virtual QGeoShape	visibleRegion () const
virtual bool	setBearing (qreal bearing, const QGeoCoordinate &coordinate)
virtual QMatrix4x4	projectionTransformation () const =0
virtual QMatrix4x4	projectionTransformation_centered () const =0
virtual const QMatrix4x4 &	qsgTransform () const =0
virtual QDoubleVector3D	centerMercator () const =0
void	setItemToWindowTransform (const QTransform &itemToWindowTransform)
virtual QTransform	itemToWindowTransform () const

Public Attributes
QTransform	m_itemToWindowTransform
bool	m_qsgTransformDirty = true

Detailed Description

Definition at line 30 of file qgeoprojection_p.h.

Member Enumeration Documentation

Datum

enum QGeoProjection::Datum

Enumerator
DatumUnknown
DatumWGS84
DatumSphere

Definition at line 45 of file qgeoprojection_p.h.

ProjectionGroup

enum QGeoProjection::ProjectionGroup

Enumerator
ProjectionOther
ProjectionCylindrical
ProjectionPseudocylindrical
ProjectionAzimuthal
ProjectionPseudoazimuthal
ProjectionConic
ProjectionPseudoconic

Definition at line 33 of file qgeoprojection_p.h.

ProjectionType

enum QGeoProjection::ProjectionType

Enumerator
ProjectionUnknown
ProjectionGeneralPerspective
ProjectionWebMercator

Definition at line 51 of file qgeoprojection_p.h.

Constructor & Destructor Documentation

QGeoProjection()

QT_BEGIN_NAMESPACE QGeoProjection::QGeoProjection

(

)

Definition at line 62 of file qgeoprojection.cpp.

~QGeoProjection()

QGeoProjection::~QGeoProjection ( )

virtual

Definition at line 67 of file qgeoprojection.cpp.

Member Function Documentation

anchorCoordinateToPoint()

QGeoCoordinate QGeoProjection::anchorCoordinateToPoint ( const QGeoCoordinate &  coordinate, const QPointF &  anchorPoint  ) const

virtual

Reimplemented in QGeoProjectionWebMercator.

Definition at line 72 of file qgeoprojection.cpp.

References Q_UNUSED.

Referenced by QGeoMap::anchorCoordinateToPoint().

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cameraData()

virtual QGeoCameraData QGeoProjection::cameraData ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

centerMercator()

virtual QDoubleVector3D QGeoProjection::centerMercator ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

coordinateToItemPosition()

virtual QDoubleVector2D QGeoProjection::coordinateToItemPosition ( const QGeoCoordinate &  coordinate, bool  clipToViewport = true  ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

Referenced by QDeclarativeGeoMap::fromCoordinate(), and QDeclarativeGeoMapItemBase::setPositionOnMap().

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datum()

virtual Datum QGeoProjection::datum ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

itemPositionToCoordinate()

virtual QGeoCoordinate QGeoProjection::itemPositionToCoordinate ( const QDoubleVector2D &  pos, bool  clipToViewport = true  ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

Referenced by QDeclarativeCircleMapItem::geometryChange(), QDeclarativePolygonMapItem::geometryChange(), QDeclarativePolylineMapItem::geometryChange(), QDeclarativeRectangleMapItem::geometryChange(), QDeclarativeGeoMap::pan(), QDeclarativeGeoMap::toCoordinate(), and QDeclarativeGeoMap::visibleRegion().

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itemToWindowTransform()

QTransform QGeoProjection::itemToWindowTransform ( ) const

virtual

Definition at line 99 of file qgeoprojection.cpp.

References m_itemToWindowTransform.

Referenced by setItemToWindowTransform().

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maximumCenterLatitudeAtZoom()

virtual double QGeoProjection::maximumCenterLatitudeAtZoom ( const QGeoCameraData &  cameraData ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

Referenced by QGeoMapPrivate::maximumCenterLatitudeAtZoom().

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minimumCenterLatitudeAtZoom()

virtual double QGeoProjection::minimumCenterLatitudeAtZoom ( const QGeoCameraData &  cameraData ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

Referenced by QGeoMapPrivate::minimumCenterLatitudeAtZoom().

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minimumZoom()

virtual double QGeoProjection::minimumZoom ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

projectionGroup()

virtual ProjectionGroup QGeoProjection::projectionGroup ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

projectionTransformation()

virtual QMatrix4x4 QGeoProjection::projectionTransformation ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

projectionTransformation_centered()

virtual QMatrix4x4 QGeoProjection::projectionTransformation_centered ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

projectionType()

virtual ProjectionType QGeoProjection::projectionType ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

Referenced by QGeoMapPrivate::mapHeight(), QGeoMapPrivate::mapWidth(), QDeclarativePolylineMapItemPrivateCPU::regenerateCache(), and QDeclarativePolylineMapItemPrivateCPU::updateCache().

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qsgTransform()

virtual const QMatrix4x4 & QGeoProjection::qsgTransform ( ) const

pure virtual

Implemented in QGeoProjectionWebMercator.

setBearing()

bool QGeoProjection::setBearing ( qreal  bearing, const QGeoCoordinate &  coordinate  )

virtual

Reimplemented in QGeoProjectionWebMercator.

Definition at line 84 of file qgeoprojection.cpp.

References Q_UNUSED.

setCameraData()

virtual void QGeoProjection::setCameraData ( const QGeoCameraData &  cameraData, bool  force = true  )

pure virtual

Implemented in QGeoProjectionWebMercator.

setItemToWindowTransform()

void QGeoProjection::setItemToWindowTransform

(

const QTransform &

itemToWindowTransform

)

Definition at line 91 of file qgeoprojection.cpp.

References itemToWindowTransform(), m_itemToWindowTransform, and m_qsgTransformDirty.

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setViewportSize()

virtual void QGeoProjection::setViewportSize ( const QSize &  size )

pure virtual

Implemented in QGeoProjectionWebMercator.

setVisibleArea()

virtual void QGeoProjection::setVisibleArea ( const QRectF &  visibleArea )

pure virtual

Implemented in QGeoProjectionWebMercator.

Referenced by QGeoTiledMapPrivate::setVisibleArea(), QGeoMapItemsOverlayPrivate::setVisibleArea(), and QGeoMapMapboxGLPrivate::setVisibleArea().

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visibleRegion()

QGeoShape QGeoProjection::visibleRegion ( ) const

virtual

Reimplemented in QGeoProjectionWebMercator.

Definition at line 79 of file qgeoprojection.cpp.

Referenced by QGeoMap::visibleRegion().

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Member Data Documentation

m_itemToWindowTransform

QTransform QGeoProjection::m_itemToWindowTransform

Definition at line 91 of file qgeoprojection_p.h.

Referenced by itemToWindowTransform(), QGeoProjectionWebMercator::qsgTransform(), and setItemToWindowTransform().

m_qsgTransformDirty

bool QGeoProjection::m_qsgTransformDirty = true

mutable

Definition at line 92 of file qgeoprojection_p.h.

Referenced by QGeoProjectionWebMercator::qsgTransform(), and setItemToWindowTransform().

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The documentation for this class was generated from the following files:

• qtlocation/src/location/maps/qgeoprojection_p.h
• qtlocation/src/location/maps/qgeoprojection.cpp