Manages web-based Mercator tile fetching and image composition for aerial imagery. More...

Inheritance diagram for MercatorWebImageManager:

Collaboration diagram for MercatorWebImageManager:

Public Member Functions
	MercatorWebImageManager ()
	Constructs the MercatorWebImageManager.
DynamicPointer< WebMercatorTileService >	defaultService (AerialImageMode mode) const override
	Returns the default tile service for the given aerial image mode.
fltp08	devicePixelRatio () const
	Returns the current device pixel ratio.
bool	getImage (const MercatorImageRequest &request, std::function< void(const MercatorImage &)> finished_callback)
	Fetches a composed image from tiles with a completion callback.
bool	getTile (const WebMercatorTileRequest &request)
	Fetches a single map tile.
virtual bool	postRequest (const AerialImageRequest &request) override
	Posts an aerial image request.
virtual bool	postRequest (const MercatorImageRequest &request, std::function< void(const MercatorImage &)> finished_callback) override
	Posts an image request with a completion callback.
void	setDevicePixelRatio (fltp08 device_pixel_ratio) override
	Sets the device pixel ratio for high-DPI displays.
Public Member Functions inherited from MercatorImageManager
	MercatorImageManager ()
	Constructor.

Static Public Member Functions
static MercatorWebImageManager &	DefaultManager ()
	Returns the singleton default manager instance.
static void	Initialize ()
	Initializes the global tile services and network manager.
Static Public Member Functions inherited from MercatorImageManager
static MercatorImageManager *	PrimaryManager ()
	Returns the singleton primary MercatorImageManager instance.

Protected Member Functions
void	executePendingRequest (const UUID &id)
	Executes the next pending tile request for the given ID.
void	finish (bool success, const MercatorImageRequest &request, std::function< void(const MercatorImage &)> finished_callback)
	Handles completion of a full image composition.
void	finish (const String &id, const WebMercatorTileRequest &request)
	Handles completion of a single tile fetch.
bool	getImage (const AerialImageRequest &request)
	Fetches a composed image for the given aerial request.
bool	hasPendingRequest (const UUID &id) const
	Checks whether a request with the given ID is pending.

Protected Attributes
fltp08	m_device_pixel_ratio = 1.0
	The device pixel ratio for high-DPI rendering.
Dictionary< UUID, QImage >	m_image_buffers
	Partially composed tile images per request ID.
Dictionary< UUID, UUID >	m_image_get_id
	Maps image request IDs to tile service IDs.
QNetworkAccessManager *	m_network_manager = nullptr
	The Qt network access manager for HTTP requests.
Dictionary< UUID, QueueBuffer< WebMercatorTileRequest > >	m_pending_web_requests
	Queued tile requests per request ID.
ProgressInfo	m_progress
	Tracks progress of ongoing tile fetch operations.
MercatorProcessThread *	m_thread
	The background processing thread for tile requests.
UUID	m_wgs_84 = Constant<UUID>::Invalid
	The WGS84 coordinate system UUID.

Additional Inherited Members
Static Protected Member Functions inherited from MercatorImageManager
static void	SetPrimaryManager (MercatorImageManager *manager)
	Sets the singleton primary manager instance.
Static Protected Attributes inherited from MercatorImageManager
static MercatorImageManager *	s_manager
	Singleton pointer to the primary manager.

Detailed Description

Manages web-based Mercator tile fetching and image composition for aerial imagery.

Definition at line 235 of file WebMercatorTiledImageManager.h.

Member Function Documentation

◆ DefaultManager()

MercatorWebImageManager & MercatorWebImageManager::DefaultManager ( )

static

Returns the singleton default manager instance.

Returns: A reference to the default MercatorWebImageManager.

References MercatorWebImageManager().

◆ defaultService()

DynamicPointer< WebMercatorTileService > MercatorWebImageManager::defaultService ( AerialImageMode mode ) const

overridevirtual

Returns the default tile service for the given aerial image mode.

Parameters

[in] mode The aerial image mode.

Returns: A pointer to the default tile service.

Implements MercatorImageManager.

◆ devicePixelRatio()

fltp08 MercatorWebImageManager::devicePixelRatio ( ) const

inline

Returns the current device pixel ratio.

Returns: The pixel ratio.

Definition at line 271 of file WebMercatorTiledImageManager.h.

References m_device_pixel_ratio.

◆ executePendingRequest()

void MercatorWebImageManager::executePendingRequest ( const UUID & id )

protected

Executes the next pending tile request for the given ID.

Parameters

[in] id The request UUID.

◆ finish() [1/2]

void MercatorWebImageManager::finish	(	bool	success,
		const MercatorImageRequest &	request,
		std::function< void(const MercatorImage &)>	finished_callback )

protected

Handles completion of a full image composition.

Parameters

[in]	success	Whether the request succeeded.
[in]	request	The original image request.
[in]	finished_callback	The callback to invoke.

◆ finish() [2/2]

void MercatorWebImageManager::finish	(	const String &	id,
		const WebMercatorTileRequest &	request )

protected

Handles completion of a single tile fetch.

Parameters

[in]	id	The request identifier.
[in]	request	The completed tile request.

◆ getImage() [1/2]

bool MercatorWebImageManager::getImage ( const AerialImageRequest & request )

protected

Fetches a composed image for the given aerial request.

Parameters

[in] request The aerial image request.

Returns: True if the request was submitted.

◆ getImage() [2/2]

bool MercatorWebImageManager::getImage	(	const MercatorImageRequest &	request,
		std::function< void(const MercatorImage &)>	finished_callback )

Fetches a composed image from tiles with a completion callback.

Parameters

[in]	request	The Mercator image request.
[in]	finished_callback	The callback invoked on completion.

Returns: True if the request was submitted.

◆ getTile()

bool MercatorWebImageManager::getTile ( const WebMercatorTileRequest & request )

Fetches a single map tile.

Parameters

[in] request The tile request.

Returns: True if the request was submitted.

◆ hasPendingRequest()

bool MercatorWebImageManager::hasPendingRequest ( const UUID & id ) const

protected

Checks whether a request with the given ID is pending.

Parameters

[in] id The request UUID.

Returns: True if a pending request exists.

◆ postRequest() [1/2]

virtual bool MercatorWebImageManager::postRequest ( const AerialImageRequest & request )

overridevirtual

Posts an aerial image request.

Parameters

[in] request The aerial image request.

Returns: True if the request was submitted.

Reimplemented from MercatorImageManager.

◆ postRequest() [2/2]

virtual bool MercatorWebImageManager::postRequest	(	const MercatorImageRequest &	request,
		std::function< void(const MercatorImage &)>	finished_callback )

overridevirtual

Posts an image request with a completion callback.

Parameters

[in]	request	The Mercator image request.
[in]	finished_callback	The callback invoked on completion.

Returns: True if the request was submitted.

Implements MercatorImageManager.

◆ setDevicePixelRatio()

void MercatorWebImageManager::setDevicePixelRatio ( fltp08 device_pixel_ratio )

inlineoverridevirtual

Sets the device pixel ratio for high-DPI displays.

Parameters

[in] device_pixel_ratio The pixel ratio to set.

Reimplemented from MercatorImageManager.

Definition at line 274 of file WebMercatorTiledImageManager.h.

References m_device_pixel_ratio.

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

ArialTileFetcher/Headers/WebMercatorTiledImageManager.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ DefaultManager()

◆ defaultService()

◆ devicePixelRatio()

◆ executePendingRequest()

◆ finish() [1/2]

◆ finish() [2/2]

◆ getImage() [1/2]

◆ getImage() [2/2]

◆ getTile()

◆ hasPendingRequest()

◆ postRequest() [1/2]

◆ postRequest() [2/2]

◆ setDevicePixelRatio()