#include <qgshistogramdiagram.h>

Inheritance diagram for QgsHistogramDiagram:

Public Member Functions
	QgsHistogramDiagram ()

	~QgsHistogramDiagram ()

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

QString	diagramName () const override

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

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

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

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

Public Member Functions inherited from QgsDiagram
virtual	~QgsDiagram ()

void	clearCache ()

virtual Q_DECL_DEPRECATED QSizeF	diagramSize (const QgsAttributes &attributes, const QgsRenderContext &c, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is)

Q_DECL_DEPRECATED QgsExpression *	getExpression (const QString &expression, const QgsFields *fields)

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

virtual Q_DECL_DEPRECATED void	renderDiagram (const QgsAttributes &att, QgsRenderContext &c, const QgsDiagramSettings &s, QPointF position)

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

	QgsDiagram (const QgsDiagram &other)

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

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

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

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

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

Detailed Description

Definition at line 36 of file qgshistogramdiagram.h.

Constructor & Destructor Documentation

◆ QgsHistogramDiagram()

QgsHistogramDiagram::QgsHistogramDiagram ( )

Definition at line 22 of file qgshistogramdiagram.cpp.

◆ ~QgsHistogramDiagram()

QgsHistogramDiagram::~QgsHistogramDiagram ( )

Definition at line 29 of file qgshistogramdiagram.cpp.

Member Function Documentation

◆ clone()

QgsHistogramDiagram * QgsHistogramDiagram::clone ( ) const

overridevirtual

Returns an instance that is equivalent to this one.

Note: added in 2.4

Implements QgsDiagram.

Definition at line 33 of file qgshistogramdiagram.cpp.

◆ diagramName()

QString QgsHistogramDiagram::diagramName ( ) const

inlineoverridevirtual

Implements QgsDiagram.

Definition at line 49 of file qgshistogramdiagram.h.

◆ diagramSize() [1/2]

QSizeF QgsHistogramDiagram::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 101 of file qgshistogramdiagram.cpp.

◆ diagramSize() [2/2]

QSizeF QgsHistogramDiagram::diagramSize	(	const QgsFeature &	feature,
		const QgsRenderContext &	c,
		const QgsDiagramSettings &	s,
		const QgsDiagramInterpolationSettings &	is
	)

overridevirtual

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

Interpolate size

Implements QgsDiagram.

Definition at line 38 of file qgshistogramdiagram.cpp.

◆ legendSize()

double QgsHistogramDiagram::legendSize	(	double	value,
		const QgsDiagramSettings &	s,
		const QgsDiagramInterpolationSettings &	is
	)		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
is	interpolation settings

Note: added in QGIS 2.16

Implements QgsDiagram.

Definition at line 86 of file qgshistogramdiagram.cpp.

◆ renderDiagram()

void QgsHistogramDiagram::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 137 of file qgshistogramdiagram.cpp.

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

/tmp/buildd/qgis-2.18.21+99unstable/src/core/diagram/qgshistogramdiagram.h
/tmp/buildd/qgis-2.18.21+99unstable/src/core/diagram/qgshistogramdiagram.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QgsHistogramDiagram()

◆ ~QgsHistogramDiagram()

Member Function Documentation

◆ clone()

◆ diagramName()

◆ diagramSize() [1/2]

◆ diagramSize() [2/2]

◆ legendSize()

◆ renderDiagram()