QgsScaleBarStyle Class Reference

Abstraction of composer scale bar style. More...

#include <qgsscalebarstyle.h>

Inheritance diagram for QgsScaleBarStyle:

Collaboration diagram for QgsScaleBarStyle:

Public Member Functions
	QgsScaleBarStyle (const QgsComposerScaleBar *bar)
virtual	~QgsScaleBarStyle ()
virtual void	draw (QPainter *p, double xOffset=0) const =0
	Draws the style.
virtual void	drawLabels (QPainter *p) const
virtual QRectF	calculateBoxSize () const
virtual QString	name () const =0

Protected Attributes
const QgsComposerScaleBar *	mScaleBar

Private Member Functions
	QgsScaleBarStyle ()

Detailed Description

Abstraction of composer scale bar style.

Subclasses draw themselves, have the possibility to implement custom labeling and calculate corresponding box size.

Definition at line 30 of file qgsscalebarstyle.h.

Constructor & Destructor Documentation

QgsScaleBarStyle::QgsScaleBarStyle

(

const QgsComposerScaleBar *

bar

)

Definition at line 22 of file qgsscalebarstyle.cpp.

QgsScaleBarStyle::~QgsScaleBarStyle ( )

virtual

Definition at line 32 of file qgsscalebarstyle.cpp.

QgsScaleBarStyle::QgsScaleBarStyle ( )

private

Definition at line 27 of file qgsscalebarstyle.cpp.

Member Function Documentation

QRectF QgsScaleBarStyle::calculateBoxSize ( ) const

virtual

Reimplemented in QgsNumericScaleBarStyle.

Definition at line 102 of file qgsscalebarstyle.cpp.

References QgsComposerScaleBar::boxContentSpace(), QgsComposerScaleBar::firstLabelString(), QgsComposerScaleBar::font(), QgsComposerItem::fontAscentMillimeters(), QgsComposerScaleBar::height(), QgsComposerScaleBar::labelBarSpace(), mScaleBar, QgsComposerScaleBar::numMapUnitsPerScaleBarUnit(), QgsComposerScaleBar::numSegments(), QgsComposerScaleBar::numUnitsPerSegment(), QgsComposerScaleBar::pen(), QgsComposerScaleBar::segmentPositions(), QgsComposerItem::textWidthMillimeters(), and QgsComposerScaleBar::unitLabeling().

Referenced by QgsComposerScaleBar::adjustBoxSize(), QgsComposerScaleBar::setBoxContentSpace(), QgsComposerScaleBar::setNumSegments(), QgsComposerScaleBar::setNumSegmentsLeft(), QgsComposerScaleBar::setNumUnitsPerSegment(), and QgsComposerScaleBar::updateSegmentSize().

virtual void QgsScaleBarStyle::draw ( QPainter *  p, double  xOffset = 0  ) const

pure virtual

Draws the style.

Parameters

p	painter object
xOffset	offset to account for centered labeling

Implemented in QgsTicksScaleBarStyle, QgsSingleBoxScaleBarStyle, QgsDoubleBoxScaleBarStyle, and QgsNumericScaleBarStyle.

Referenced by QgsComposerScaleBar::paint().

void QgsScaleBarStyle::drawLabels ( QPainter *  p ) const

virtual

Definition at line 37 of file qgsscalebarstyle.cpp.

References QgsComposerScaleBar::boxContentSpace(), QgsComposerItem::drawText(), QgsComposerScaleBar::firstLabelString(), QgsComposerScaleBar::font(), QgsComposerItem::fontAscentMillimeters(), QgsComposerScaleBar::fontColor(), mScaleBar, QgsComposerScaleBar::numMapUnitsPerScaleBarUnit(), QgsComposerScaleBar::numSegmentsLeft(), QgsComposerScaleBar::numUnitsPerSegment(), QgsComposerScaleBar::segmentMillimeters(), QgsComposerScaleBar::segmentPositions(), QgsComposerItem::textWidthMillimeters(), and QgsComposerScaleBar::unitLabeling().

Referenced by QgsDoubleBoxScaleBarStyle::draw(), QgsSingleBoxScaleBarStyle::draw(), and QgsTicksScaleBarStyle::draw().

virtual QString QgsScaleBarStyle::name ( ) const

pure virtual

Implemented in QgsTicksScaleBarStyle, QgsSingleBoxScaleBarStyle, QgsDoubleBoxScaleBarStyle, and QgsNumericScaleBarStyle.

Referenced by QgsComposerScaleBar::correctXPositionAlignment(), QgsComposerScaleBar::style(), QgsComposerScaleBar::update(), and QgsComposerScaleBar::writeXML().

Member Data Documentation

const QgsComposerScaleBar* QgsScaleBarStyle::mScaleBar

protected

Definition at line 48 of file qgsscalebarstyle.h.

Referenced by QgsNumericScaleBarStyle::calculateBoxSize(), calculateBoxSize(), QgsNumericScaleBarStyle::draw(), QgsDoubleBoxScaleBarStyle::draw(), QgsSingleBoxScaleBarStyle::draw(), QgsTicksScaleBarStyle::draw(), drawLabels(), and QgsNumericScaleBarStyle::scaleText().

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

• /tmp/buildd/qgis-2.2.0+wheezy1/src/core/composer/qgsscalebarstyle.h
• /tmp/buildd/qgis-2.2.0+wheezy1/src/core/composer/qgsscalebarstyle.cpp