QgsQuickMapToScreen Class Reference

The QgsQuickMapToScreen class transform map points to screen coordinates as well as distances from map to screen units. More...

#include <qgsquickmaptoscreen.h>

Inheritance diagram for QgsQuickMapToScreen:

Signals
void	mapDistanceChanged ()
	Distance in map unit.
void	mapPointChanged ()
	Point in map coordinates.
void	mapSettingsChanged ()
	Map settings used to define the map canvas CRS and detect any extent change.
void	screenDistanceChanged ()
	Distance in screen coordinates (read-only)
void	screenPointChanged ()
	Point in screen coordinates (read-only)

Public Member Functions
	QgsQuickMapToScreen (QObject *parent=nullptr)
	Creates a map to screen object.
double	mapDistance () const
	Distance in map unit.
QgsPoint	mapPoint () const
	Point in map coordinates.
QgsQuickMapSettings *	mapSettings () const
	Map settings used to define the map canvas CRS and detect any extent change.
double	screenDistance () const
	Distance in screen coordinates (read-only)
QPointF	screenPoint () const
	Point in screen coordinates (read-only)
void	setMapDistance (const double distance)
	Distance in map unit.
void	setMapPoint (const QgsPoint &point)
	Point in map coordinates.
void	setMapSettings (QgsQuickMapSettings *mapSettings)
	Map settings used to define the map canvas CRS and detect any extent change.

Properties
double	mapDistance
	Distance in map unit.
QgsPoint	mapPoint
	Point in map coordinates.
QgsQuickMapSettings *	mapSettings
	Map settings used to define the map canvas CRS and detect any extent change.
double	screenDistance
	Distance in screen coordinates (read-only)
QPointF	screenPoint
	Point in screen coordinates (read-only)

Detailed Description

The QgsQuickMapToScreen class transform map points to screen coordinates as well as distances from map to screen units.

Screen points and/or distances will be automatically updated on map extent changes.

Since

QGIS 3.32

Definition at line 34 of file qgsquickmaptoscreen.h.

Constructor & Destructor Documentation

QgsQuickMapToScreen()

QgsQuickMapToScreen::QgsQuickMapToScreen ( QObject *  parent = nullptr )

explicit

Creates a map to screen object.

Definition at line 20 of file qgsquickmaptoscreen.cpp.

Member Function Documentation

mapDistance()

double QgsQuickMapToScreen::mapDistance

(

)

const

Distance in map unit.

Definition at line 97 of file qgsquickmaptoscreen.cpp.

mapDistanceChanged

void QgsQuickMapToScreen::mapDistanceChanged ( )

signal

Distance in map unit.

mapPoint()

QgsPoint QgsQuickMapToScreen::mapPoint

(

)

const

Point in map coordinates.

Definition at line 64 of file qgsquickmaptoscreen.cpp.

mapPointChanged

void QgsQuickMapToScreen::mapPointChanged ( )

signal

Point in map coordinates.

mapSettings()

QgsQuickMapSettings * QgsQuickMapToScreen::mapSettings

(

)

const

Map settings used to define the map canvas CRS and detect any extent change.

Definition at line 49 of file qgsquickmaptoscreen.cpp.

mapSettingsChanged

void QgsQuickMapToScreen::mapSettingsChanged ( )

signal

Map settings used to define the map canvas CRS and detect any extent change.

screenDistance()

double QgsQuickMapToScreen::screenDistance

(

)

const

Distance in screen coordinates (read-only)

Definition at line 102 of file qgsquickmaptoscreen.cpp.

screenDistanceChanged

void QgsQuickMapToScreen::screenDistanceChanged ( )

signal

Distance in screen coordinates (read-only)

screenPoint()

QPointF QgsQuickMapToScreen::screenPoint

(

)

const

Point in screen coordinates (read-only)

Definition at line 69 of file qgsquickmaptoscreen.cpp.

screenPointChanged

void QgsQuickMapToScreen::screenPointChanged ( )

signal

Point in screen coordinates (read-only)

setMapDistance()

void QgsQuickMapToScreen::setMapDistance

(

const double

distance

)

Distance in map unit.

Definition at line 87 of file qgsquickmaptoscreen.cpp.

setMapPoint()

void QgsQuickMapToScreen::setMapPoint

(

const QgsPoint &

point

)

Point in map coordinates.

Definition at line 54 of file qgsquickmaptoscreen.cpp.

setMapSettings()

void QgsQuickMapToScreen::setMapSettings

(

QgsQuickMapSettings *

mapSettings

)

Map settings used to define the map canvas CRS and detect any extent change.

Definition at line 25 of file qgsquickmaptoscreen.cpp.

Property Documentation

mapDistance

double QgsQuickMapToScreen::mapDistance

readwrite

Distance in map unit.

Definition at line 47 of file qgsquickmaptoscreen.h.

mapPoint

QgsPoint QgsQuickMapToScreen::mapPoint

readwrite

Point in map coordinates.

Definition at line 42 of file qgsquickmaptoscreen.h.

mapSettings

QgsQuickMapSettings * QgsQuickMapToScreen::mapSettings

readwrite

Map settings used to define the map canvas CRS and detect any extent change.

Definition at line 39 of file qgsquickmaptoscreen.h.

screenDistance

double QgsQuickMapToScreen::screenDistance

read

Distance in screen coordinates (read-only)

Definition at line 49 of file qgsquickmaptoscreen.h.

screenPoint

QPointF QgsQuickMapToScreen::screenPoint

read

Point in screen coordinates (read-only)

Definition at line 44 of file qgsquickmaptoscreen.h.

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

• /build/qgis-3.41.0+git20241122+3440c17df1d+99sid/src/quickgui/qgsquickmaptoscreen.h
• /build/qgis-3.41.0+git20241122+3440c17df1d+99sid/src/quickgui/qgsquickmaptoscreen.cpp