MAP::MapSource Class Reference

#include <MAP/MapSource.h>

Inheritance diagram for MAP::MapSource:

List of all members.

Public Member Functions
	MapSource ()
virtual	~MapSource ()
virtual MapSourceKind	getSourceKind () const =0
virtual MAExtent	getTileSize () const =0
virtual int	getMagnificationMin () const =0
virtual int	getMagnificationMax () const =0
virtual void	getTileUrl (char *buffer, MapTileCoordinate tileXY)=0
virtual PixelCoordinate	lonLatToPixel (LonLat lonlat, int magnification)=0
virtual MapTileCoordinate	lonLatToTile (LonLat lonlat, int magnification)=0
virtual LonLat	tileCenterToLonLat (const int tileSize, const MapTileCoordinate &tile, const double offsetX, const double offsetY)=0
void	requestTile (const MapTileCoordinate tileXY, IMapSourceListener *listener, MapSourceClientData *clientData)
void	clearQueue ()
void	finishedDownloading (Downloader *downloader, MAHandle data)
void	downloadCancelled (Downloader *downloader)
void	error (Downloader *downloader, int code)
virtual void	notifyProgress (Downloader *downloader, int downloadedBytes, int totalBytes)
virtual bool	outOfMemory (Downloader *downloader)

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Constructor & Destructor Documentation

MAP::MapSource::MapSource (   )

virtual MAP::MapSource::~MapSource (   )  [virtual]

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Member Function Documentation

virtual MapSourceKind MAP::MapSource::getSourceKind (   )  const [pure virtual]

Returns source kind Implemented in MAP::CloudMadeMapSource, MAP::GoogleMapSource, and MAP::OpenStreetMapSource.

virtual MAExtent MAP::MapSource::getTileSize (   )  const [pure virtual]

Returns tile size Implemented in MAP::CloudMadeMapSource, MAP::GoogleMapSource, and MAP::OpenStreetMapSource.

virtual int MAP::MapSource::getMagnificationMin (   )  const [pure virtual]

Returns minimum magnification Implemented in MAP::CloudMadeMapSource, MAP::GoogleMapSource, and MAP::OpenStreetMapSource.

virtual int MAP::MapSource::getMagnificationMax (   )  const [pure virtual]

Returns maximum magnification Implemented in MAP::CloudMadeMapSource, MAP::GoogleMapSource, and MAP::OpenStreetMapSource.

virtual void MAP::MapSource::getTileUrl (  char *  buffer, MapTileCoordinate  tileXY )  [pure virtual]

Returns URL for retrieving a tile Implemented in MAP::CloudMadeMapSource, MAP::GoogleMapSource, and MAP::OpenStreetMapSource.

virtual PixelCoordinate MAP::MapSource::lonLatToPixel (  LonLat  lonlat, int  magnification )  [pure virtual]

Converts LonLat to a pixel coordinate, in a global pixel grid Implemented in MAP::CloudMadeMapSource, MAP::GoogleMapSource, and MAP::OpenStreetMapSource.

virtual MapTileCoordinate MAP::MapSource::lonLatToTile (  LonLat  lonlat, int  magnification )  [pure virtual]

Converts LonLat to tile coordinates for a tile that contains the lonlat point. Implemented in MAP::CloudMadeMapSource, MAP::GoogleMapSource, and MAP::OpenStreetMapSource.

virtual LonLat MAP::MapSource::tileCenterToLonLat (  const int  tileSize, const MapTileCoordinate &  tile, const double  offsetX, const double  offsetY )  [pure virtual]

Convert tile center plus pixel offset to WGS84 lat/lon. Implemented in MAP::CloudMadeMapSource, MAP::GoogleMapSource, and MAP::OpenStreetMapSource.

void MAP::MapSource::requestTile (  const MapTileCoordinate  tileXY, IMapSourceListener *  listener, MapSourceClientData *  clientData )

Returns all tiles required to cover specified rectangle around centerpoint.

void MAP::MapSource::clearQueue (   )

Clears any queued requests

void MAP::MapSource::finishedDownloading (  Downloader *  downloader, MAHandle  data )  [virtual]

Called when all data has been downloaded. Parameters: downloader  A pointer to the downloader sending this event. data  MAHandle to the binary data resource with the downloaded data. Implements MAUtil::DownloadListener.

void MAP::MapSource::downloadCancelled (  Downloader *  downloader  )  [virtual]

Called if the download has been cancelled. Parameters: downloader  A pointer to the downloader sending this event. Implements MAUtil::DownloadListener.

void MAP::MapSource::error (  Downloader *  downloader, int  code )  [virtual]

Called if an error occured. Parameters: downloader  A pointer to the downloader sending this event. code  The error code describing the error. See CONNERR . Implements MAUtil::DownloadListener.

virtual void MAUtil::DownloadListener::notifyProgress (  Downloader *  downloader, int  downloadedBytes, int  totalBytes )  [virtual, inherited]

Called when some data has been downloaded to notify about the progress of the download. Parameters: downloader  A pointer to the downloader sending this event. downloadedBytes  The amount of bytes downloaded. totalBytes  The amount of bytes to be downloaded.

virtual bool MAUtil::DownloadListener::outOfMemory (  Downloader *  downloader  )  [virtual, inherited]

Called if the Downloader runs out of memory. Try to free some resource memory. If you managed to free some, return true to make the Downloader try again. If you can't free any more, return false to make the Downloader fail with CONNERR_DOWNLOADER_OOM. The default implementation does nothing and returns false.

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