QgsRasterRendererRegistry Class Reference

Registry for raster renderers. More...

#include <qgsrasterrendererregistry.h>

Public Member Functions
	QgsRasterRendererRegistry ()
	Constructor for QgsRasterRendererRegistry.
QgsRasterRenderer *	defaultRendererForDrawingStyle (Qgis::RasterDrawingStyle drawingStyle, QgsRasterDataProvider *provider) const
	Creates a default renderer for a raster drawing style (considering user options such as default contrast enhancement).
QList< QgsRasterRendererRegistryEntry >	entries () const
	Returns the list of registered renderers.
void	insert (const QgsRasterRendererRegistryEntry &entry)
	Inserts a new entry into the registry.
void	insertWidgetFunction (const QString &rendererName, QgsRasterRendererWidgetCreateFunc func)
	Sets the widget creation function for a renderer.
Qgis::RasterRendererCapabilities	rendererCapabilities (const QString &rendererName) const
	Returns the capabilities for the renderer with the specified name.
bool	rendererData (const QString &rendererName, QgsRasterRendererRegistryEntry &data) const
	Retrieves renderer data from the registry.
QStringList	renderersList () const
	Returns a list of the names of registered renderers.

Detailed Description

Registry for raster renderers.

QgsRasterRendererRegistry is not usually directly created, but rather accessed through QgsApplication::rasterRendererRegistry().

Note

Exposed to Python bindings in QGIS 3.38

Definition at line 85 of file qgsrasterrendererregistry.h.

Constructor & Destructor Documentation

QgsRasterRendererRegistry()

QgsRasterRendererRegistry::QgsRasterRendererRegistry

(

)

Constructor for QgsRasterRendererRegistry.

QgsRasterRendererRegistry is not usually directly created, but rather accessed through QgsApplication::rasterRendererRegistry().

The registry is pre-populated with standard raster renderers.

Definition at line 53 of file qgsrasterrendererregistry.cpp.

Member Function Documentation

defaultRendererForDrawingStyle()

QgsRasterRenderer * QgsRasterRendererRegistry::defaultRendererForDrawingStyle	(	Qgis::RasterDrawingStyle	drawingStyle,
		QgsRasterDataProvider *	provider
	)		const

Creates a default renderer for a raster drawing style (considering user options such as default contrast enhancement).

Caller takes ownership.

Definition at line 127 of file qgsrasterrendererregistry.cpp.

entries()

QList< QgsRasterRendererRegistryEntry > QgsRasterRendererRegistry::entries

(

)

const

Returns the list of registered renderers.

Note

Not available in Python bindings

Definition at line 105 of file qgsrasterrendererregistry.cpp.

insert()

void QgsRasterRendererRegistry::insert

(

const QgsRasterRendererRegistryEntry &

entry

)

Inserts a new entry into the registry.

Note

Not available in Python bindings

Definition at line 74 of file qgsrasterrendererregistry.cpp.

insertWidgetFunction()

void QgsRasterRendererRegistry::insertWidgetFunction	(	const QString &	rendererName,
		QgsRasterRendererWidgetCreateFunc	func
	)

Sets the widget creation function for a renderer.

Note

Not available in Python bindings

Definition at line 80 of file qgsrasterrendererregistry.cpp.

rendererCapabilities()

Qgis::RasterRendererCapabilities QgsRasterRendererRegistry::rendererCapabilities

(

const QString &

rendererName

)

const

Returns the capabilities for the renderer with the specified name.

Since

QGIS 3.38

Definition at line 117 of file qgsrasterrendererregistry.cpp.

rendererData()

bool QgsRasterRendererRegistry::rendererData	(	const QString &	rendererName,
		QgsRasterRendererRegistryEntry &	data
	)		const

Retrieves renderer data from the registry.

Note

Not available in Python bindings

Definition at line 89 of file qgsrasterrendererregistry.cpp.

renderersList()

QStringList QgsRasterRendererRegistry::renderersList

(

)

const

Returns a list of the names of registered renderers.

Definition at line 100 of file qgsrasterrendererregistry.cpp.

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

• /home/fischer/src/qgis-3.38/src/core/raster/qgsrasterrendererregistry.h
• /home/fischer/src/qgis-3.38/src/core/raster/qgsrasterrendererregistry.cpp