QgsTextDiagram Class Reference

#include <qgsdiagram.h>

Inheritance diagram for QgsTextDiagram:

Collaboration diagram for QgsTextDiagram:

List of all members.

Public Types
enum	Shape { Circle = 0, Rectangle, Triangle }
enum	Orientation { Horizontal = 0, Vertical }
Public Member Functions
	QgsTextDiagram ()
	~QgsTextDiagram ()
void	renderDiagram (const QgsAttributeMap &att, QgsRenderContext &c, const QgsDiagramSettings &s, const QPointF &position)
	Draws the diagram at the given position (in pixel coordinates)
QString	diagramName () const
Private Member Functions
void	lineEllipseIntersection (const QPointF &lineStart, const QPointF &lineEnd, const QPointF &ellipseMid, double r1, double r2, QList< QPointF > &result) const
	Calculates intersection points between a line and an ellipse.
Private Attributes
Orientation	mOrientation
Shape	mShape
QBrush	mBrush
QPen	mPen

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Detailed Description

Definition at line 43 of file qgsdiagram.h.

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Member Enumeration Documentation

enum QgsTextDiagram::Orientation

Enumerator:

Horizontal
Vertical

Definition at line 53 of file qgsdiagram.h.

enum QgsTextDiagram::Shape

Enumerator:

Circle
Rectangle
Triangle

Definition at line 46 of file qgsdiagram.h.

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Constructor & Destructor Documentation

QgsTextDiagram::QgsTextDiagram

(

)

Definition at line 61 of file qgsdiagram.cpp.

References mBrush, and mPen.

QgsTextDiagram::~QgsTextDiagram

(

)

Definition at line 69 of file qgsdiagram.cpp.

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Member Function Documentation

QString QgsTextDiagram::diagramName

(

)

const [inline, virtual]

Implements QgsDiagram.

Definition at line 63 of file qgsdiagram.h.

void QgsTextDiagram::lineEllipseIntersection	(	const QPointF &	lineStart,
		const QPointF &	lineEnd,
		const QPointF &	ellipseMid,
		double	r1,
		double	r2,
		QList< QPointF > &	result
	)		const [private]

Calculates intersection points between a line and an ellipse.

Returns:

intersection points

Definition at line 210 of file qgsdiagram.cpp.

Referenced by renderDiagram().

void QgsTextDiagram::renderDiagram	(	const QgsAttributeMap &	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 73 of file qgsdiagram.cpp.

References QgsDiagramSettings::backgroundColor, QgsDiagramSettings::categoryColors, QgsDiagramSettings::categoryIndices, Circle, Horizontal, lineEllipseIntersection(), QgsDiagramSettings::maxScaleDenominator, mBrush, QgsDiagramSettings::minScaleDenominator, mOrientation, mPen, mShape, QgsRenderContext::painter(), QgsDiagramSettings::penColor, Rectangle, QgsRenderContext::rendererScale(), QgsDiagram::scaledFont(), QgsDiagram::setPenWidth(), QgsDiagramSettings::size, and QgsDiagram::sizePainterUnits().

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Member Data Documentation

QBrush QgsTextDiagram::mBrush [private]

Definition at line 68 of file qgsdiagram.h.

Referenced by QgsTextDiagram(), and renderDiagram().

Orientation QgsTextDiagram::mOrientation [private]

Definition at line 66 of file qgsdiagram.h.

Referenced by renderDiagram().

QPen QgsTextDiagram::mPen [private]

Definition at line 69 of file qgsdiagram.h.

Referenced by QgsTextDiagram(), and renderDiagram().

Shape QgsTextDiagram::mShape [private]

Definition at line 67 of file qgsdiagram.h.

Referenced by renderDiagram().

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

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