QgsHistogramDiagram Class Reference

#include <qgshistogramdiagram.h>

Inheritance diagram for QgsHistogramDiagram:

Collaboration diagram for QgsHistogramDiagram:

List of all members.

Public Member Functions
	QgsHistogramDiagram ()
	~QgsHistogramDiagram ()
QString	diagramName () const
QSizeF	diagramSize (const QgsAttributes &attributes, const QgsRenderContext &c, const QgsDiagramSettings &s)
	Returns the size in map units the diagram will use to render.
QSizeF	diagramSize (const QgsAttributes &attributes, const QgsRenderContext &c, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is)
	Returns the size in map units the diagram will use to render.
void	renderDiagram (const QgsAttributes &att, QgsRenderContext &c, const QgsDiagramSettings &s, const QPointF &position)
	Draws the diagram at the given position (in pixel coordinates)
Private Attributes
QBrush	mCategoryBrush
QPen	mPen
double	mScaleFactor

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Detailed Description

Definition at line 34 of file qgshistogramdiagram.h.

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Constructor & Destructor Documentation

QgsHistogramDiagram::QgsHistogramDiagram

(

)

Definition at line 21 of file qgshistogramdiagram.cpp.

References mCategoryBrush, mPen, and mScaleFactor.

QgsHistogramDiagram::~QgsHistogramDiagram

(

)

Definition at line 28 of file qgshistogramdiagram.cpp.

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Member Function Documentation

QString QgsHistogramDiagram::diagramName

(

)

const [inline, virtual]

Implements QgsDiagram.

Definition at line 43 of file qgshistogramdiagram.h.

References DIAGRAM_NAME_HISTOGRAM.

QSizeF QgsHistogramDiagram::diagramSize	(	const QgsAttributes &	attributes,
		const QgsRenderContext &	c,
		const QgsDiagramSettings &	s
	)		[virtual]

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

Implements QgsDiagram.

Definition at line 72 of file qgshistogramdiagram.cpp.

References QgsDiagramSettings::barWidth, QgsDiagramSettings::categoryColors, QgsDiagramSettings::diagramOrientation, QgsDiagramSettings::Down, QgsDiagramSettings::Left, mScaleFactor, QgsDiagramSettings::Right, size, QgsDiagramSettings::size, and QgsDiagramSettings::Up.

QSizeF QgsHistogramDiagram::diagramSize	(	const QgsAttributes &	attributes,
		const QgsRenderContext &	c,
		const QgsDiagramSettings &	s,
		const QgsDiagramInterpolationSettings &	is
	)		[virtual]

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

Interpolate size

Implements QgsDiagram.

Definition at line 32 of file qgshistogramdiagram.cpp.

References QgsDiagramSettings::barWidth, QgsDiagramSettings::diagramOrientation, QgsDiagramSettings::Down, QgsDiagramSettings::Left, QgsDiagramInterpolationSettings::lowerSize, QgsDiagramInterpolationSettings::lowerValue, QgsDiagramSettings::minimumSize, mScaleFactor, QgsDiagramSettings::Right, size, QgsDiagramSettings::Up, QgsDiagramInterpolationSettings::upperSize, and QgsDiagramInterpolationSettings::upperValue.

void QgsHistogramDiagram::renderDiagram	(	const QgsAttributes &	att,
		QgsRenderContext &	c,
		const QgsDiagramSettings &	s,
		const QPointF &	position
	)		[virtual]

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

Implements QgsDiagram.

Definition at line 108 of file qgshistogramdiagram.cpp.

References QgsDiagramSettings::barWidth, QgsDiagramSettings::categoryColors, QgsDiagramSettings::categoryIndices, QgsDiagramSettings::diagramOrientation, QgsDiagramSettings::Down, QgsDiagramSettings::Left, mCategoryBrush, mPen, mScaleFactor, QgsRenderContext::painter(), QgsDiagramSettings::penColor, QgsDiagramSettings::Right, QgsDiagram::setPenWidth(), QgsDiagram::sizePainterUnits(), and QgsDiagramSettings::Up.

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Member Data Documentation

QBrush QgsHistogramDiagram::mCategoryBrush [private]

Definition at line 46 of file qgshistogramdiagram.h.

Referenced by QgsHistogramDiagram(), and renderDiagram().

QPen QgsHistogramDiagram::mPen [private]

Definition at line 47 of file qgshistogramdiagram.h.

Referenced by QgsHistogramDiagram(), and renderDiagram().

double QgsHistogramDiagram::mScaleFactor [private]

Definition at line 48 of file qgshistogramdiagram.h.

Referenced by diagramSize(), QgsHistogramDiagram(), and renderDiagram().

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

• src/core/diagram/qgshistogramdiagram.h
• src/core/diagram/qgshistogramdiagram.cpp