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

Detailed Description

Map renderer for WMS requests.

Definition at line 67 of file qgswmsrenderer.h.

Member Typedef Documentation

HitTest

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

Definition at line 119 of file qgswmsrenderer.h.

SymbolSet

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

Definition at line 118 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 103 of file qgswmsrenderer.cpp.

~QgsRenderer()

QgsWms::QgsRenderer::~QgsRenderer

(

)

Definition at line 112 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 3827 of file qgswmsrenderer.cpp.

getDxf()

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

(

)

Returns the map as DXF data.

Returns

the map as DXF data

Definition at line 1100 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 1254 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 117 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 204 of file qgswmsrenderer.cpp.

getLegendGraphicsAsJson() [1/2]

QJsonObject QgsWms::QgsRenderer::getLegendGraphicsAsJson	(	QgsLayerTreeModel &	model,
		const Qgis::LegendJsonRenderFlags &	jsonRenderFlags = Qgis::LegendJsonRenderFlags()
	)

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
jsonRenderFlags	The JSON export flags

Returns

the legend as a JSON object

Since

QGIS 3.36

Definition at line 245 of file qgswmsrenderer.cpp.

getLegendGraphicsAsJson() [2/2]

QJsonObject QgsWms::QgsRenderer::getLegendGraphicsAsJson	(	QgsLayerTreeModelLegendNode &	legendNode,
		const Qgis::LegendJsonRenderFlags &	jsonRenderFlags = Qgis::LegendJsonRenderFlags()
	)

Returns the map legend as a JSON object (or nullptr in case of error).

The caller takes ownership of the image object.

Parameters

legendNode	The legend node to use for building the legend
jsonRenderFlags	The JSON export flags

Returns

the legend as a JSON object

Since

QGIS 3.36

Definition at line 265 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 1047 of file qgswmsrenderer.cpp.

getPdf()

std::unique_ptr< QgsMapRendererTask > QgsWms::QgsRenderer::getPdf

(

const QString &

tmpFileName

)

Returns a configured pdf export task.

Parameters

tmpFileName

the name of the temporary file to store the pdf

Returns

pdf export object

Since

QGIS 3.36

Definition at line 1200 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 387 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 352 of file qgswmsrenderer.cpp.

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

• /build/qgis-3.41.0+git20241214+cea29feecf2+99sid/src/server/services/wms/qgswmsrenderer.h
• /build/qgis-3.41.0+git20241214+cea29feecf2+99sid/src/server/services/wms/qgswmsrenderer.cpp