#include <qgsgraduatedsymbolrendererv2.h>

Inheritance diagram for QgsGraduatedSymbolRendererV2:

Collaboration diagram for QgsGraduatedSymbolRendererV2:

Public Types
enum	Mode { EqualInterval, Quantile, Jenks, StdDev, Pretty, Custom }
Public Member Functions
	QgsGraduatedSymbolRendererV2 (QString attrName=QString(), QgsRangeList ranges=QgsRangeList())
virtual	~QgsGraduatedSymbolRendererV2 ()
virtual QgsSymbolV2 *	symbolForFeature (QgsFeature &feature)
virtual void	startRender (QgsRenderContext &context, const QgsVectorLayer *vlayer)
virtual void	stopRender (QgsRenderContext &context)
virtual QList< QString >	usedAttributes ()
virtual QString	dump ()
	for debugging
virtual QgsFeatureRendererV2 *	clone ()
virtual void	toSld (QDomDocument &doc, QDomElement &element) const
	used from subclasses to create SLD Rule elements following SLD v1.1 specs
virtual int	capabilities ()
	returns bitwise OR-ed capabilities of the renderer
virtual QgsSymbolV2List	symbols ()
	for symbol levels
QString	classAttribute () const
void	setClassAttribute (QString attr)
const QgsRangeList &	ranges ()
bool	updateRangeSymbol (int rangeIndex, QgsSymbolV2 *symbol)
bool	updateRangeLabel (int rangeIndex, QString label)
bool	updateRangeUpperValue (int rangeIndex, double value)
bool	updateRangeLowerValue (int rangeIndex, double value)
void	addClass (QgsSymbolV2 *symbol)
void	deleteClass (int idx)
Mode	mode () const
void	setMode (Mode mode)
virtual QDomElement	save (QDomDocument &doc)
	store renderer info to XML element
virtual QgsLegendSymbologyList	legendSymbologyItems (QSize iconSize)
	return a list of symbology items for the legend
virtual QgsLegendSymbolList	legendSymbolItems ()
	return a list of item text / symbol
QgsSymbolV2 *	sourceSymbol ()
void	setSourceSymbol (QgsSymbolV2 *sym)
QgsVectorColorRampV2 *	sourceColorRamp ()
void	setSourceColorRamp (QgsVectorColorRampV2 *ramp)
void	updateColorRamp (QgsVectorColorRampV2 *ramp)
	Update the color ramp used.
void	updateSymbols (QgsSymbolV2 *sym)
	Update the all symbols but leave breaks and colors.
void	setRotationField (QString fieldName)
QString	rotationField () const
void	setSizeScaleField (QString fieldName)
QString	sizeScaleField () const
Static Public Member Functions
static QgsGraduatedSymbolRendererV2 *	createRenderer (QgsVectorLayer vlayer, QString attrName, int classes, Mode mode, QgsSymbolV2 symbol, QgsVectorColorRampV2 *ramp)
static QgsFeatureRendererV2 *	create (QDomElement &element)
	create renderer from XML element
Protected Member Functions
QgsSymbolV2 *	symbolForValue (double value)
Protected Attributes
QString	mAttrName
QgsRangeList	mRanges
Mode	mMode
QgsSymbolV2 *	mSourceSymbol
QgsVectorColorRampV2 *	mSourceColorRamp
QString	mRotationField
QString	mSizeScaleField
int	mAttrNum
	attribute index (derived from attribute name in startRender)
int	mRotationFieldIdx
int	mSizeScaleFieldIdx
QMap< QgsSymbolV2 , QgsSymbolV2 >	mTempSymbols
	temporary symbols, used for data-defined rotation and scaling

Detailed Description

Definition at line 56 of file qgsgraduatedsymbolrendererv2.h.

Member Enumeration Documentation

enum QgsGraduatedSymbolRendererV2::Mode

Enumerator:

EqualInterval
Quantile
Jenks
StdDev
Pretty
Custom

Definition at line 96 of file qgsgraduatedsymbolrendererv2.h.

Constructor & Destructor Documentation

QgsGraduatedSymbolRendererV2::QgsGraduatedSymbolRendererV2	(	QString	attrName = `QString()`,
		QgsRangeList	ranges = `QgsRangeList()`
	)

Definition at line 133 of file qgsgraduatedsymbolrendererv2.cpp.

Referenced by clone(), create(), and createRenderer().

QgsGraduatedSymbolRendererV2::~QgsGraduatedSymbolRendererV2 ( ) [virtual]

Definition at line 146 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges, mSourceColorRamp, and mSourceSymbol.

Member Function Documentation

void QgsGraduatedSymbolRendererV2::addClass ( QgsSymbolV2 * symbol )

Definition at line 1098 of file qgsgraduatedsymbolrendererv2.cpp.

References QgsSymbolV2::clone(), and mRanges.

virtual int QgsGraduatedSymbolRendererV2::capabilities ( ) [inline, virtual]

returns bitwise OR-ed capabilities of the renderer

Note:: added in 2.0

Reimplemented from QgsFeatureRendererV2.

Definition at line 79 of file qgsgraduatedsymbolrendererv2.h.

References QgsFeatureRendererV2::RotationField.

QString QgsGraduatedSymbolRendererV2::classAttribute ( ) const [inline]

Definition at line 83 of file qgsgraduatedsymbolrendererv2.h.

Referenced by legendSymbolItems(), legendSymbologyItems(), QgsRuleBasedRendererV2::refineRuleRanges(), and QgsSymbologyV2Conversion::rendererV2toV1().

QgsFeatureRendererV2 * QgsGraduatedSymbolRendererV2::clone ( ) [virtual]

QgsFeatureRendererV2 * QgsGraduatedSymbolRendererV2::create ( QDomElement & element ) [static]

create renderer from XML element

Definition at line 846 of file qgsgraduatedsymbolrendererv2.cpp.

References QgsSymbolLayerV2Utils::clearSymbolMap(), EqualInterval, Jenks, QgsSymbolLayerV2Utils::loadColorRamp(), QgsSymbolLayerV2Utils::loadSymbols(), Pretty, QgsGraduatedSymbolRendererV2(), Quantile, ranges(), setMode(), setRotationField(), setSizeScaleField(), setSourceColorRamp(), setSourceSymbol(), and StdDev.

Referenced by QgsRendererV2Registry::QgsRendererV2Registry().

QgsGraduatedSymbolRendererV2 * QgsGraduatedSymbolRendererV2::createRenderer	(	QgsVectorLayer *	vlayer,
		QString	attrName,
		int	classes,
		Mode	mode,
		QgsSymbolV2 *	symbol,
		QgsVectorColorRampV2 *	ramp
	)		`[static]`

void QgsGraduatedSymbolRendererV2::deleteClass ( int idx )

Definition at line 1106 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

QString QgsGraduatedSymbolRendererV2::dump ( ) [virtual]

for debugging

Reimplemented from QgsFeatureRendererV2.

Definition at line 313 of file qgsgraduatedsymbolrendererv2.cpp.

References mAttrName, and mRanges.

QgsLegendSymbolList QgsGraduatedSymbolRendererV2::legendSymbolItems ( ) [virtual]

return a list of item text / symbol

Note:: : this method was added in version 1.5

Reimplemented from QgsFeatureRendererV2.

Definition at line 1032 of file qgsgraduatedsymbolrendererv2.cpp.

References classAttribute(), and mRanges.

QgsLegendSymbologyList QgsGraduatedSymbolRendererV2::legendSymbologyItems ( QSize iconSize ) [virtual]

return a list of symbology items for the legend

Reimplemented from QgsFeatureRendererV2.

Definition at line 1011 of file qgsgraduatedsymbolrendererv2.cpp.

References classAttribute(), QgsRendererRangeV2::label(), ranges(), QgsRendererRangeV2::symbol(), and QgsSymbolLayerV2Utils::symbolPreviewPixmap().

Mode QgsGraduatedSymbolRendererV2::mode ( ) const [inline]

Definition at line 106 of file qgsgraduatedsymbolrendererv2.h.

Referenced by QgsSymbologyV2Conversion::rendererV2toV1().

const QgsRangeList& QgsGraduatedSymbolRendererV2::ranges ( ) [inline]

Definition at line 86 of file qgsgraduatedsymbolrendererv2.h.

Referenced by create(), createRenderer(), legendSymbologyItems(), QgsRuleBasedRendererV2::refineRuleRanges(), and QgsSymbologyV2Conversion::rendererV2toV1().

QString QgsGraduatedSymbolRendererV2::rotationField ( ) const [inline, virtual]

Note:: added in 1.6

Reimplemented from QgsFeatureRendererV2.

Definition at line 147 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone().

QDomElement QgsGraduatedSymbolRendererV2::save ( QDomDocument & doc ) [virtual]

store renderer info to XML element

Reimplemented from QgsFeatureRendererV2.

Definition at line 932 of file qgsgraduatedsymbolrendererv2.cpp.

References EqualInterval, Jenks, QgsRendererRangeV2::label(), QgsRendererRangeV2::lowerValue(), mAttrName, mMode, mRanges, mRotationField, mSizeScaleField, mSourceColorRamp, mSourceSymbol, QgsFeatureRendererV2::mUsingSymbolLevels, Pretty, Quantile, RENDERER_TAG_NAME, QgsSymbolLayerV2Utils::saveColorRamp(), QgsSymbolLayerV2Utils::saveSymbols(), StdDev, QgsRendererRangeV2::symbol(), symbols(), and QgsRendererRangeV2::upperValue().

void QgsGraduatedSymbolRendererV2::setClassAttribute ( QString attr ) [inline]

Definition at line 84 of file qgsgraduatedsymbolrendererv2.h.

void QgsGraduatedSymbolRendererV2::setMode ( Mode mode ) [inline]

Definition at line 107 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), create(), createRenderer(), and QgsSymbologyV2Conversion::rendererV1toV2().

void QgsGraduatedSymbolRendererV2::setRotationField ( QString fieldName ) [inline, virtual]

Note:: added in 1.6

Reimplemented from QgsFeatureRendererV2.

Definition at line 145 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), and create().

void QgsGraduatedSymbolRendererV2::setSizeScaleField ( QString fieldName ) [inline]

Note:: added in 1.6

Definition at line 150 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), and create().

void QgsGraduatedSymbolRendererV2::setSourceColorRamp ( QgsVectorColorRampV2 * ramp )

Definition at line 1065 of file qgsgraduatedsymbolrendererv2.cpp.

References mSourceColorRamp.

Referenced by clone(), create(), createRenderer(), and updateColorRamp().

void QgsGraduatedSymbolRendererV2::setSourceSymbol ( QgsSymbolV2 * sym )

Definition at line 1055 of file qgsgraduatedsymbolrendererv2.cpp.

References mSourceSymbol.

Referenced by clone(), create(), createRenderer(), and updateSymbols().

QString QgsGraduatedSymbolRendererV2::sizeScaleField ( ) const [inline]

Note:: added in 1.6

Definition at line 152 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone().

QgsVectorColorRampV2 * QgsGraduatedSymbolRendererV2::sourceColorRamp ( )

Definition at line 1061 of file qgsgraduatedsymbolrendererv2.cpp.

References mSourceColorRamp.

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::sourceSymbol ( )

Definition at line 1051 of file qgsgraduatedsymbolrendererv2.cpp.

References mSourceSymbol.

void QgsGraduatedSymbolRendererV2::startRender	(	QgsRenderContext &	context,
		const QgsVectorLayer *	vlayer
	)		`[virtual]`

Implements QgsFeatureRendererV2.

Definition at line 211 of file qgsgraduatedsymbolrendererv2.cpp.

References QgsSymbolV2::clone(), QgsSymbolV2::DataDefinedRotation, QgsSymbolV2::DataDefinedSizeScale, QgsVectorLayer::fieldNameIndex(), mAttrName, mAttrNum, mRanges, mRotationField, mRotationFieldIdx, mSizeScaleField, mSizeScaleFieldIdx, mTempSymbols, QgsSymbolV2::setRenderHints(), and QgsSymbolV2::startRender().

void QgsGraduatedSymbolRendererV2::stopRender ( QgsRenderContext & context ) [virtual]

Implements QgsFeatureRendererV2.

Definition at line 235 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges, and mTempSymbols.

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::symbolForFeature ( QgsFeature & feature ) [virtual]

Implements QgsFeatureRendererV2.

Definition at line 164 of file qgsgraduatedsymbolrendererv2.cpp.

References QgsFeature::attributeMap(), QgsSymbolV2::Line, QgsSymbolV2::Marker, mAttrName, mAttrNum, mRotationFieldIdx, mSizeScaleFieldIdx, mTempSymbols, QgsDebugMsg, QgsMarkerSymbolV2::setAngle(), QgsMarkerSymbolV2::setSize(), QgsLineSymbolV2::setWidth(), size, symbolForValue(), and QgsSymbolV2::type().

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::symbolForValue ( double value ) [protected]

Definition at line 153 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

Referenced by symbolForFeature().

QgsSymbolV2List QgsGraduatedSymbolRendererV2::symbols ( ) [virtual]

for symbol levels

Implements QgsFeatureRendererV2.

Definition at line 352 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

Referenced by save().

void QgsGraduatedSymbolRendererV2::toSld	(	QDomDocument &	doc,
		QDomElement &	element
	)		const `[virtual]`

used from subclasses to create SLD Rule elements following SLD v1.1 specs

Note:: added in 1.9

Reimplemented from QgsFeatureRendererV2.

Definition at line 335 of file qgsgraduatedsymbolrendererv2.cpp.

References mAttrName, mRanges, mRotationField, and mSizeScaleField.

void QgsGraduatedSymbolRendererV2::updateColorRamp ( QgsVectorColorRampV2 * ramp )

Update the color ramp used.

Also updates all symbols colors. Doesn't alter current breaks.

Definition at line 1071 of file qgsgraduatedsymbolrendererv2.cpp.

References QgsSymbolV2::clone(), QgsVectorColorRampV2::color(), mRanges, QgsSymbolV2::setColor(), setSourceColorRamp(), QgsRendererRangeV2::symbol(), and updateRangeSymbol().

bool QgsGraduatedSymbolRendererV2::updateRangeLabel	(	int	rangeIndex,
		QString	label
	)

Definition at line 289 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

bool QgsGraduatedSymbolRendererV2::updateRangeLowerValue	(	int	rangeIndex,
		double	value
	)

Definition at line 305 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

bool QgsGraduatedSymbolRendererV2::updateRangeSymbol	(	int	rangeIndex,
		QgsSymbolV2 *	symbol
	)

Definition at line 281 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

Referenced by updateColorRamp(), and updateSymbols().

bool QgsGraduatedSymbolRendererV2::updateRangeUpperValue	(	int	rangeIndex,
		double	value
	)

Definition at line 297 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

void QgsGraduatedSymbolRendererV2::updateSymbols ( QgsSymbolV2 * sym )

Update the all symbols but leave breaks and colors.

Definition at line 1085 of file qgsgraduatedsymbolrendererv2.cpp.

References QgsSymbolV2::clone(), QgsSymbolV2::color(), mRanges, QgsSymbolV2::setColor(), setSourceSymbol(), QgsRendererRangeV2::symbol(), and updateRangeSymbol().

QList< QString > QgsGraduatedSymbolRendererV2::usedAttributes ( ) [virtual]

Implements QgsFeatureRendererV2.

Definition at line 255 of file qgsgraduatedsymbolrendererv2.cpp.

References mAttrName, mRanges, mRotationField, mSizeScaleField, and QgsSymbolV2::usedAttributes().

Member Data Documentation

QString QgsGraduatedSymbolRendererV2::mAttrName [protected]

Definition at line 155 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), dump(), save(), startRender(), symbolForFeature(), toSld(), and usedAttributes().

int QgsGraduatedSymbolRendererV2::mAttrNum [protected]

attribute index (derived from attribute name in startRender)

Definition at line 164 of file qgsgraduatedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

Mode QgsGraduatedSymbolRendererV2::mMode [protected]

Definition at line 157 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), and save().

QgsRangeList QgsGraduatedSymbolRendererV2::mRanges [protected]

Definition at line 156 of file qgsgraduatedsymbolrendererv2.h.

Referenced by addClass(), clone(), deleteClass(), dump(), legendSymbolItems(), save(), startRender(), stopRender(), symbolForValue(), symbols(), toSld(), updateColorRamp(), updateRangeLabel(), updateRangeLowerValue(), updateRangeSymbol(), updateRangeUpperValue(), updateSymbols(), usedAttributes(), and ~QgsGraduatedSymbolRendererV2().

QString QgsGraduatedSymbolRendererV2::mRotationField [protected]

Definition at line 160 of file qgsgraduatedsymbolrendererv2.h.

Referenced by save(), startRender(), toSld(), and usedAttributes().

int QgsGraduatedSymbolRendererV2::mRotationFieldIdx [protected]

Definition at line 165 of file qgsgraduatedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

QString QgsGraduatedSymbolRendererV2::mSizeScaleField [protected]

Definition at line 161 of file qgsgraduatedsymbolrendererv2.h.

Referenced by save(), startRender(), toSld(), and usedAttributes().

int QgsGraduatedSymbolRendererV2::mSizeScaleFieldIdx [protected]

Definition at line 165 of file qgsgraduatedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

QgsVectorColorRampV2* QgsGraduatedSymbolRendererV2::mSourceColorRamp [protected]

Definition at line 159 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), save(), setSourceColorRamp(), sourceColorRamp(), and ~QgsGraduatedSymbolRendererV2().

QgsSymbolV2* QgsGraduatedSymbolRendererV2::mSourceSymbol [protected]

Definition at line 158 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), save(), setSourceSymbol(), sourceSymbol(), and ~QgsGraduatedSymbolRendererV2().

QMap<QgsSymbolV2*, QgsSymbolV2*> QgsGraduatedSymbolRendererV2::mTempSymbols [protected]

temporary symbols, used for data-defined rotation and scaling

Definition at line 169 of file qgsgraduatedsymbolrendererv2.h.

Referenced by startRender(), stopRender(), and symbolForFeature().

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

src/core/symbology-ng/qgsgraduatedsymbolrendererv2.h
src/core/symbology-ng/qgsgraduatedsymbolrendererv2.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation