QgsDiagram Class Reference

Base class for all diagram types. More...

#include <qgsdiagram.h>

Inheritance diagram for QgsDiagram:

List of all members.

Public Member Functions
virtual	~QgsDiagram ()
virtual void	renderDiagram (const QgsAttributeMap &att, QgsRenderContext &c, const QgsDiagramSettings &s, const QPointF &position)=0
	Draws the diagram at the given position (in pixel coordinates)
virtual QString	diagramName () const =0
Protected Member Functions
void	setPenWidth (QPen &pen, const QgsDiagramSettings &s, const QgsRenderContext &c)
QSizeF	sizePainterUnits (const QSizeF &size, const QgsDiagramSettings &s, const QgsRenderContext &c)
QFont	scaledFont (const QgsDiagramSettings &s, const QgsRenderContext &c)

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Detailed Description

Base class for all diagram types.

Definition at line 29 of file qgsdiagram.h.

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Constructor & Destructor Documentation

virtual QgsDiagram::~QgsDiagram

(

)

[inline, virtual]

Definition at line 32 of file qgsdiagram.h.

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Member Function Documentation

virtual QString QgsDiagram::diagramName

(

)

const [pure virtual]

Implemented in QgsPieDiagram, and QgsTextDiagram.

Referenced by QgsDiagramRendererV2::_writeXML().

virtual void QgsDiagram::renderDiagram	(	const QgsAttributeMap &	att,
		QgsRenderContext &	c,
		const QgsDiagramSettings &	s,
		const QPointF &	position
	)		[pure virtual]

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

Implemented in QgsPieDiagram, and QgsTextDiagram.

Referenced by QgsDiagramRendererV2::renderDiagram().

QFont QgsDiagram::scaledFont	(	const QgsDiagramSettings &	s,
		const QgsRenderContext &	c
	)		[protected]

Definition at line 46 of file qgsdiagram.cpp.

References QgsDiagramSettings::font, QgsRenderContext::mapToPixel(), QgsMapToPixel::mapUnitsPerPixel(), QgsDiagramSettings::MM, QgsRenderContext::scaleFactor(), and QgsDiagramSettings::sizeType.

Referenced by QgsTextDiagram::renderDiagram().

void QgsDiagram::setPenWidth	(	QPen &	pen,
		const QgsDiagramSettings &	s,
		const QgsRenderContext &	c
	)		[protected]

Definition at line 21 of file qgsdiagram.cpp.

References QgsRenderContext::mapToPixel(), QgsMapToPixel::mapUnitsPerPixel(), QgsDiagramSettings::MM, QgsDiagramSettings::penWidth, QgsRenderContext::scaleFactor(), and QgsDiagramSettings::sizeType.

Referenced by QgsTextDiagram::renderDiagram(), and QgsPieDiagram::renderDiagram().

QSizeF QgsDiagram::sizePainterUnits	(	const QSizeF &	size,
		const QgsDiagramSettings &	s,
		const QgsRenderContext &	c
	)		[protected]

Definition at line 33 of file qgsdiagram.cpp.

References QgsRenderContext::mapToPixel(), QgsMapToPixel::mapUnitsPerPixel(), QgsDiagramSettings::MM, QgsRenderContext::scaleFactor(), QgsDiagramSettings::size, and QgsDiagramSettings::sizeType.

Referenced by QgsTextDiagram::renderDiagram(), and QgsPieDiagram::renderDiagram().

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

• src/core/qgsdiagram.h
• src/core/qgsdiagram.cpp