QgsSingleCategoryDiagramRenderer Class Reference

Renders the diagrams for all features with the same settings. More...

#include <qgsdiagramrendererv2.h>

Inheritance diagram for QgsSingleCategoryDiagramRenderer:

Collaboration diagram for QgsSingleCategoryDiagramRenderer:

List of all members.

Public Member Functions
	QgsSingleCategoryDiagramRenderer ()
	~QgsSingleCategoryDiagramRenderer ()
QList< int >	diagramAttributes () const
	Returns attribute indices needed for diagram rendering.
QList< QgsDiagramSettings >	diagramSettings () const
	Returns list with all diagram settings in the renderer.
void	readXML (const QDomElement &elem, const QgsVectorLayer *layer)
QString	rendererName () const
void	setDiagramSettings (const QgsDiagramSettings &s)
void	writeXML (QDomElement &layerElem, QDomDocument &doc, const QgsVectorLayer *layer) const
Protected Member Functions
bool	diagramSettings (const QgsAttributes &, const QgsRenderContext &c, QgsDiagramSettings &s)
	Returns diagram settings for a feature (or false if the diagram for the feature is not to be rendered).
QSizeF	diagramSize (const QgsAttributes &attributes, const QgsRenderContext &c)
	Returns size of the diagram (in painter units) or an invalid size in case of error.
Private Attributes
QgsDiagramSettings	mSettings

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Detailed Description

Renders the diagrams for all features with the same settings.

Definition at line 216 of file qgsdiagramrendererv2.h.

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Constructor & Destructor Documentation

QgsSingleCategoryDiagramRenderer::QgsSingleCategoryDiagramRenderer

(

)

Definition at line 355 of file qgsdiagramrendererv2.cpp.

QgsSingleCategoryDiagramRenderer::~QgsSingleCategoryDiagramRenderer

(

)

Definition at line 359 of file qgsdiagramrendererv2.cpp.

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Member Function Documentation

QList<int> QgsSingleCategoryDiagramRenderer::diagramAttributes

(

)

const [inline, virtual]

Returns attribute indices needed for diagram rendering.

Implements QgsDiagramRendererV2.

Definition at line 224 of file qgsdiagramrendererv2.h.

QList< QgsDiagramSettings > QgsSingleCategoryDiagramRenderer::diagramSettings

(

)

const [virtual]

Returns list with all diagram settings in the renderer.

Implements QgsDiagramRendererV2.

Definition at line 375 of file qgsdiagramrendererv2.cpp.

References mSettings.

bool QgsSingleCategoryDiagramRenderer::diagramSettings	(	const QgsAttributes &	att,
		const QgsRenderContext &	c,
		QgsDiagramSettings &	s
	)		[protected, virtual]

Returns diagram settings for a feature (or false if the diagram for the feature is not to be rendered).

Used internally within renderDiagram()

Parameters:

att	attribute map
c	render context
s	out: diagram settings for the feature

Implements QgsDiagramRendererV2.

Definition at line 363 of file qgsdiagramrendererv2.cpp.

References mSettings.

QSizeF QgsSingleCategoryDiagramRenderer::diagramSize	(	const QgsAttributes &	attributes,
		const QgsRenderContext &	c
	)		[protected, virtual]

Returns size of the diagram (in painter units) or an invalid size in case of error.

Implements QgsDiagramRendererV2.

Definition at line 370 of file qgsdiagramrendererv2.cpp.

References QgsDiagram::diagramSize(), QgsDiagramRendererV2::mDiagram, and mSettings.

void QgsSingleCategoryDiagramRenderer::readXML	(	const QDomElement &	elem,
		const QgsVectorLayer *	layer
	)		[virtual]

Implements QgsDiagramRendererV2.

Definition at line 382 of file qgsdiagramrendererv2.cpp.

References QgsDiagramRendererV2::_readXML(), mSettings, and QgsDiagramSettings::readXML().

QString QgsSingleCategoryDiagramRenderer::rendererName

(

)

const [inline, virtual]

Implements QgsDiagramRendererV2.

Definition at line 222 of file qgsdiagramrendererv2.h.

void QgsSingleCategoryDiagramRenderer::setDiagramSettings

(

const QgsDiagramSettings &

s

)

[inline]

Definition at line 226 of file qgsdiagramrendererv2.h.

void QgsSingleCategoryDiagramRenderer::writeXML	(	QDomElement &	layerElem,
		QDomDocument &	doc,
		const QgsVectorLayer *	layer
	)		const [virtual]

Implements QgsDiagramRendererV2.

Definition at line 394 of file qgsdiagramrendererv2.cpp.

References QgsDiagramRendererV2::_writeXML(), mSettings, and QgsDiagramSettings::writeXML().

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Member Data Documentation

QgsDiagramSettings QgsSingleCategoryDiagramRenderer::mSettings [private]

Definition at line 239 of file qgsdiagramrendererv2.h.

Referenced by diagramSettings(), diagramSize(), readXML(), and writeXML().

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

• src/core/qgsdiagramrendererv2.h
• src/core/qgsdiagramrendererv2.cpp