QgsWms::QgsRenderer Class Reference

Map renderer for WMS requests. More...

#include <qgswmsrenderer.h>

Public Types
typedef QHash< QgsVectorLayer *, SymbolSet >	HitTest
typedef QSet< QString >	SymbolSet

Public Member Functions
	QgsRenderer (const QgsWmsRenderContext &context)
	Constructor for QgsRenderer. More...
	~QgsRenderer ()
	Destructor for QgsRenderer. More...
void	configureLayers (QList< QgsMapLayer * > &layers, QgsMapSettings *settings=nullptr)
	Configures layers for rendering optionally considering the map settings. More...
std::unique_ptr< QgsDxfExport >	getDxf ()
	Returns the map as DXF data. More...
QByteArray	getFeatureInfo (const QString &version="1.3.0")
	Creates an xml document that describes the result of the getFeatureInfo request. More...
QImage *	getLegendGraphics (QgsLayerTreeModel &model)
	Returns the map legend as an image (or nullptr in case of error). More...
QImage *	getLegendGraphics (QgsLayerTreeModelLegendNode &nodeModel)
	Returns the map legend as an image (or nullptr in case of error). More...
QJsonObject	getLegendGraphicsAsJson (QgsLayerTreeModel &model)
	Returns the map legend as a JSON object. More...
QImage *	getMap ()
	Returns the map as an image (or nullptr in case of error). More...
QByteArray	getPrint ()
	Returns printed page as binary. More...
HitTest	symbols ()
	Returns the hit test according to the current context. More...

Detailed Description

Map renderer for WMS requests.

Since

QGIS 3.0

Definition at line 63 of file qgswmsrenderer.h.

Member Typedef Documentation

HitTest

typedef QHash<QgsVectorLayer *, SymbolSet> QgsWms::QgsRenderer::HitTest

Definition at line 107 of file qgswmsrenderer.h.

SymbolSet

typedef QSet<QString> QgsWms::QgsRenderer::SymbolSet

Definition at line 106 of file qgswmsrenderer.h.

Constructor & Destructor Documentation

QgsRenderer()

QgsWms::QgsRenderer::QgsRenderer

(

const QgsWmsRenderContext &

context

)

Constructor for QgsRenderer.

Parameters

context

The rendering context.

Since

QGIS 3.8

Definition at line 98 of file qgswmsrenderer.cpp.

~QgsRenderer()

QgsWms::QgsRenderer::~QgsRenderer

(

)

Destructor for QgsRenderer.

Definition at line 107 of file qgswmsrenderer.cpp.

Member Function Documentation

configureLayers()

void QgsWms::QgsRenderer::configureLayers	(	QList< QgsMapLayer * > &	layers,
		QgsMapSettings *	settings = nullptr
	)

Configures layers for rendering optionally considering the map settings.

Definition at line 3110 of file qgswmsrenderer.cpp.

getDxf()

std::unique_ptr< QgsDxfExport > QgsWms::QgsRenderer::getDxf

(

)

Returns the map as DXF data.

Returns

the map as DXF data

Since

QGIS 3.0

Definition at line 832 of file qgswmsrenderer.cpp.

getFeatureInfo()

QByteArray QgsWms::QgsRenderer::getFeatureInfo

(

const QString &

version = "1.3.0"

)

Creates an xml document that describes the result of the getFeatureInfo request.

May throw an exception

Definition at line 911 of file qgswmsrenderer.cpp.

getLegendGraphics() [1/2]

QImage * QgsWms::QgsRenderer::getLegendGraphics

(

QgsLayerTreeModel &

model

)

Returns the map legend as an image (or nullptr in case of error).

The caller takes ownership of the image object.

Parameters

model

The layer tree model to use for building the legend

Returns

the legend as an image

Since

QGIS 3.8

Definition at line 112 of file qgswmsrenderer.cpp.

getLegendGraphics() [2/2]

QImage * QgsWms::QgsRenderer::getLegendGraphics

(

QgsLayerTreeModelLegendNode &

nodeModel

)

Returns the map legend as an image (or nullptr in case of error).

The caller takes ownership of the image object.

Parameters

nodeModel

The node model to use for building the legend

Returns

the legend as an image

Since

QGIS 3.8

Definition at line 151 of file qgswmsrenderer.cpp.

getLegendGraphicsAsJson()

QJsonObject QgsWms::QgsRenderer::getLegendGraphicsAsJson

(

QgsLayerTreeModel &

model

)

Returns the map legend as a JSON object.

The caller takes the ownership of the JSON object.

Parameters

model

The layer tree model to use for building the legend

Returns

the legend as a JSON object

Since

QGIS 3.12

Definition at line 182 of file qgswmsrenderer.cpp.

getMap()

QImage * QgsWms::QgsRenderer::getMap

(

)

Returns the map as an image (or nullptr in case of error).

The caller takes ownership of the image object).

Since

QGIS 3.8

Definition at line 784 of file qgswmsrenderer.cpp.

getPrint()

QByteArray QgsWms::QgsRenderer::getPrint

(

)

Returns printed page as binary.

Returns

printed page as binary or 0 in case of error

Definition at line 285 of file qgswmsrenderer.cpp.

symbols()

QgsRenderer::HitTest QgsWms::QgsRenderer::symbols

(

)

Returns the hit test according to the current context.

Since

QGIS 3.8

Definition at line 249 of file qgswmsrenderer.cpp.

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

• /build/qgis-3.16.0+99unstable/src/server/services/wms/qgswmsrenderer.h
• /build/qgis-3.16.0+99unstable/src/server/services/wms/qgswmsrenderer.cpp