A stacked bar chart diagram. More...

#include <qgsstackedbardiagram.h>

Inheritance diagram for QgsStackedBarDiagram:

Public Member Functions
	QgsStackedBarDiagram ()

QgsStackedBarDiagram *	clone () const override
	Returns an instance that is equivalent to this one.

QString	diagramName () const override
	Gets a descriptive name for this diagram type.

QSizeF	diagramSize (const QgsAttributes &attributes, const QgsRenderContext &c, const QgsDiagramSettings &s) override
	Returns the size in map units the diagram will use to render.

QSizeF	diagramSize (const QgsFeature &feature, const QgsRenderContext &c, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &interpolationSettings) override
	Returns the size in map units the diagram will use to render. Interpolate size.

double	legendSize (double value, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &interpolationSettings) const override
	Returns the size of the legend item for the diagram corresponding to a specified value.

void	renderDiagram (const QgsFeature &feature, QgsRenderContext &c, const QgsDiagramSettings &s, QPointF position) override
	Draws the diagram at the given position (in pixel coordinates)

Public Member Functions inherited from QgsDiagram
virtual	~QgsDiagram ()

void	clearCache ()

QgsExpression *	getExpression (const QString &expression, const QgsExpressionContext &context)
	Returns a prepared expression for the specified context.

Static Public Attributes
static const QString	DIAGRAM_NAME_STACKED_BAR = QStringLiteral( "Stacked" )

Additional Inherited Members
Protected Member Functions inherited from QgsDiagram
	QgsDiagram ()=default

	QgsDiagram (const QgsDiagram &other)

QFont	scaledFont (const QgsDiagramSettings &s, const QgsRenderContext &c)
	Calculates a size to match the current settings and rendering context.

void	setPenWidth (QPen &pen, const QgsDiagramSettings &s, const QgsRenderContext &c)
	Changes the pen width to match the current settings and rendering context.

QSizeF	sizeForValue (double value, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &interpolationSettings) const
	Returns the scaled size of a diagram for a value, respecting the specified diagram interpolation settings.

double	sizePainterUnits (double l, const QgsDiagramSettings &s, const QgsRenderContext &c)
	Calculates a length to match the current settings and rendering context.

QSizeF	sizePainterUnits (QSizeF size, const QgsDiagramSettings &s, const QgsRenderContext &c)
	Calculates a size to match the current settings and rendering context.

Detailed Description

A stacked bar chart diagram.

Since: QGIS 3.12

Definition at line 41 of file qgsstackedbardiagram.h.

Constructor & Destructor Documentation

◆ QgsStackedBarDiagram()

QgsStackedBarDiagram::QgsStackedBarDiagram ( )

Definition at line 27 of file qgsstackedbardiagram.cpp.

Member Function Documentation

◆ clone()

QgsStackedBarDiagram * QgsStackedBarDiagram::clone ( ) const

overridevirtual

Returns an instance that is equivalent to this one.

Implements QgsDiagram.

Definition at line 33 of file qgsstackedbardiagram.cpp.

◆ diagramName()

QString QgsStackedBarDiagram::diagramName ( ) const

overridevirtual

Gets a descriptive name for this diagram type.

Implements QgsDiagram.

Definition at line 120 of file qgsstackedbardiagram.cpp.

◆ diagramSize() [1/2]

QSizeF QgsStackedBarDiagram::diagramSize	(	const QgsAttributes &	attributes,
		const QgsRenderContext &	c,
		const QgsDiagramSettings &	s
	)

overridevirtual

Returns the size in map units the diagram will use to render.

Implements QgsDiagram.

Definition at line 125 of file qgsstackedbardiagram.cpp.

◆ diagramSize() [2/2]

QSizeF QgsStackedBarDiagram::diagramSize	(	const QgsFeature &	feature,
		const QgsRenderContext &	c,
		const QgsDiagramSettings &	s,
		const QgsDiagramInterpolationSettings &	interpolationSettings
	)

overridevirtual

Returns the size in map units the diagram will use to render. Interpolate size.

Implements QgsDiagram.

Definition at line 38 of file qgsstackedbardiagram.cpp.

◆ legendSize()

double QgsStackedBarDiagram::legendSize	(	double	value,
		const QgsDiagramSettings &	s,
		const QgsDiagramInterpolationSettings &	interpolationSettings
	)		const

overridevirtual

Returns the size of the legend item for the diagram corresponding to a specified value.

Parameters

value	value to return legend item size for
s	diagram settings
interpolationSettings	interpolation settings

Implements QgsDiagram.

Definition at line 105 of file qgsstackedbardiagram.cpp.

◆ renderDiagram()

void QgsStackedBarDiagram::renderDiagram	(	const QgsFeature &	feature,
		QgsRenderContext &	c,
		const QgsDiagramSettings &	s,
		QPointF	position
	)

overridevirtual

Draws the diagram at the given position (in pixel coordinates)

Implements QgsDiagram.

Definition at line 158 of file qgsstackedbardiagram.cpp.

Member Data Documentation

◆ DIAGRAM_NAME_STACKED_BAR

const QString QgsStackedBarDiagram::DIAGRAM_NAME_STACKED_BAR = QStringLiteral( "Stacked" )

static

Definition at line 44 of file qgsstackedbardiagram.h.

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

/build/qgis-3.41.0+git20241214+cea29feecf2+99sid/src/core/diagram/qgsstackedbardiagram.h
/build/qgis-3.41.0+git20241214+cea29feecf2+99sid/src/core/diagram/qgsstackedbardiagram.cpp

Public Member Functions

Static Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QgsStackedBarDiagram()

Member Function Documentation

◆ clone()

◆ diagramName()

◆ diagramSize() [1/2]

◆ diagramSize() [2/2]

◆ legendSize()

◆ renderDiagram()

Member Data Documentation

◆ DIAGRAM_NAME_STACKED_BAR