Line symbol layer used for representing lines as arrows. More...

#include <qgsarrowsymbollayer.h>

Inheritance diagram for QgsArrowSymbolLayer:

Public Types
enum	ArrowType { ArrowPlain, ArrowLeftHalf, ArrowRightHalf }
	Possible arrow types. More...

enum	HeadType { HeadSingle, HeadReversed, HeadDouble }
	Possible head types. More...

Public Member Functions
	QgsArrowSymbolLayer ()
	Simple constructor. More...

double	arrowStartWidth () const
	Get current arrow start width. More...

QgsSymbolV2::OutputUnit	arrowStartWidthUnit () const
	Get the unit for the arrow start width. More...

QgsMapUnitScale	arrowStartWidthUnitScale () const
	Get the scale for the arrow start width. More...

ArrowType	arrowType () const
	Get the current arrow type. More...

double	arrowWidth () const
	Get current arrow width. More...

QgsSymbolV2::OutputUnit	arrowWidthUnit () const
	Get the unit for the arrow width. More...

QgsMapUnitScale	arrowWidthUnitScale () const
	Get the scale for the arrow width. More...

virtual QgsArrowSymbolLayer *	clone () const override
	Virtual constructor. More...

virtual QColor	color () const override
	The fill color. More...

double	headLength () const
	Get the current arrow head length. More...

QgsSymbolV2::OutputUnit	headLengthUnit () const
	Get the unit for the head length. More...

QgsMapUnitScale	headLengthUnitScale () const
	Get the scale for the head length. More...

double	headThickness () const
	Get the current arrow head height. More...

QgsSymbolV2::OutputUnit	headThicknessUnit () const
	Get the unit for the head height. More...

QgsMapUnitScale	headThicknessUnitScale () const
	Get the scale for the head height. More...

HeadType	headType () const
	Get the current head type. More...

bool	isCurved () const
	Return whether it is a curved arrow or a straight one. More...

bool	isRepeated () const
	Return whether the arrow is repeated along the line or not. More...

QString	layerType () const override
	Returns a string that represents this layer type. More...

QgsStringMap	properties () const override
	Should be reimplemented by subclasses to return a string map that contains the configuration information for the symbol layer. More...

void	renderPolyline (const QPolygonF &points, QgsSymbolV2RenderContext &context) override
	Main drawing method. More...

void	setArrowStartWidth (double width)
	Set the arrow start width. More...

void	setArrowStartWidthUnit (QgsSymbolV2::OutputUnit unit)
	Set the unit for the arrow start width. More...

void	setArrowStartWidthUnitScale (const QgsMapUnitScale &scale)
	Set the scale for the arrow start width. More...

void	setArrowType (ArrowType type)
	Set the arrow type. More...

void	setArrowWidth (double width)
	Set the arrow width. More...

void	setArrowWidthUnit (QgsSymbolV2::OutputUnit unit)
	Set the unit for the arrow width. More...

void	setArrowWidthUnitScale (const QgsMapUnitScale &scale)
	Set the scale for the arrow width. More...

void	setColor (const QColor &c) override
	The fill color. More...

void	setHeadLength (double length)
	Set the arrow head length. More...

void	setHeadLengthUnit (QgsSymbolV2::OutputUnit unit)
	Set the unit for the head length. More...

void	setHeadLengthUnitScale (const QgsMapUnitScale &scale)
	Set the scale for the head length. More...

void	setHeadThickness (double thickness)
	Set the arrow head height. More...

void	setHeadThicknessUnit (QgsSymbolV2::OutputUnit unit)
	Set the unit for the head height. More...

void	setHeadThicknessUnitScale (const QgsMapUnitScale &scale)
	Set the scale for the head height. More...

void	setHeadType (HeadType type)
	Set the head type. More...

void	setIsCurved (bool isCurved)
	Set whether it is a curved arrow or a straight one. More...

void	setIsRepeated (bool isRepeated)
	Set whether the arrow is repeated along the line. More...

virtual bool	setSubSymbol (QgsSymbolV2 *symbol) override
	Set the sub symbol used for filling. More...

void	startRender (QgsSymbolV2RenderContext &context) override
	Prepare the rendering. More...

void	stopRender (QgsSymbolV2RenderContext &context) override
	End of the rendering. More...

virtual QgsSymbolV2 *	subSymbol () override
	Get the sub symbol used for filling. More...

virtual QSet< QString >	usedAttributes () const override
	Return a list of attributes required to render this feature. More...

Public Member Functions inherited from QgsLineSymbolLayerV2
void	drawPreviewIcon (QgsSymbolV2RenderContext &context, QSize size) override

virtual double	dxfWidth (const QgsDxfExport &e, QgsSymbolV2RenderContext &context) const override
	get line width More...

QgsMapUnitScale	mapUnitScale () const override

double	offset () const

const QgsMapUnitScale &	offsetMapUnitScale () const

QgsSymbolV2::OutputUnit	offsetUnit () const

QgsSymbolV2::OutputUnit	outputUnit () const override

virtual void	renderPolygonOutline (const QPolygonF &points, QList< QPolygonF > *rings, QgsSymbolV2RenderContext &context)

void	setMapUnitScale (const QgsMapUnitScale &scale) override

void	setOffset (double offset)

void	setOffsetMapUnitScale (const QgsMapUnitScale &scale)

void	setOffsetUnit (QgsSymbolV2::OutputUnit unit)

void	setOutputUnit (QgsSymbolV2::OutputUnit unit) override

virtual void	setWidth (double width)

void	setWidthMapUnitScale (const QgsMapUnitScale &scale)

void	setWidthUnit (QgsSymbolV2::OutputUnit unit)

virtual double	width () const

const QgsMapUnitScale &	widthMapUnitScale () const

QgsSymbolV2::OutputUnit	widthUnit () const

Public Member Functions inherited from QgsSymbolLayerV2
virtual	~QgsSymbolLayerV2 ()

virtual Q_DECL_DEPRECATED const QgsExpression *	dataDefinedProperty (const QString &property) const
	Returns a data defined expression for a property, if set. More...

virtual Q_DECL_DEPRECATED QString	dataDefinedPropertyString (const QString &property) const
	Returns a data defined expression for a property, if set. More...

virtual double	dxfAngle (QgsSymbolV2RenderContext &context) const
	get angle More...

virtual QColor	dxfBrushColor (QgsSymbolV2RenderContext &context) const
	get brush/fill color More...

virtual Qt::BrushStyle	dxfBrushStyle () const
	get brush/fill style More...

virtual QColor	dxfColor (QgsSymbolV2RenderContext &context) const
	get color More...

virtual QVector< qreal >	dxfCustomDashPattern (QgsSymbolV2::OutputUnit &unit) const
	get dash pattern More...

virtual double	dxfOffset (const QgsDxfExport &e, QgsSymbolV2RenderContext &context) const
	get offset More...

virtual Qt::PenStyle	dxfPenStyle () const
	get pen style More...

virtual double	estimateMaxBleed () const
	Returns the estimated maximum distance which the layer style will bleed outside the drawn shape. More...

virtual Q_DECL_DEPRECATED QVariant	evaluateDataDefinedProperty (const QString &property, const QgsFeature feature, const QVariant &defaultVal=QVariant(), bool ok=nullptr) const
	Evaluates the matching data defined property and returns the calculated value. More...

virtual QVariant	evaluateDataDefinedProperty (const QString &property, const QgsSymbolV2RenderContext &context, const QVariant &defaultVal=QVariant(), bool *ok=nullptr) const
	Evaluates the matching data defined property and returns the calculated value. More...

virtual QColor	fillColor () const
	Get fill color. More...

virtual QgsDataDefined *	getDataDefinedProperty (const QString &property) const
	Returns the data defined property corresponding to the specified property key. More...

virtual bool	hasDataDefinedProperties () const
	Checks whether the layer has any associated data defined properties. More...

virtual bool	hasDataDefinedProperty (const QString &property) const
	Checks whether the layer has a matching data defined property and if that property is currently actived. More...

virtual bool	isCompatibleWithSymbol (QgsSymbolV2 *symbol) const
	Returns if the layer can be used below the specified symbol. More...

bool	isLocked () const

virtual QString	ogrFeatureStyle (double mmScaleFactor, double mapUnitScaleFactor) const

virtual QColor	outlineColor () const
	Get outline color. More...

QgsPaintEffect *	paintEffect () const
	Returns the current paint effect for the layer. More...

virtual void	removeDataDefinedProperties ()
	Removes all data defined properties from the layer and deletes associated objects. More...

virtual void	removeDataDefinedProperty (const QString &property)
	Removes a data defined property from the layer. More...

int	renderingPass () const

virtual Q_DECL_DEPRECATED void	setDataDefinedProperty (const QString &property, const QString &expressionString)
	Sets a data defined expression for a property. More...

virtual void	setDataDefinedProperty (const QString &property, QgsDataDefined *dataDefined)
	Sets a data defined property for the layer. More...

virtual void	setFillColor (const QColor &color)
	Set fill color. More...

void	setLocked (bool locked)

virtual void	setOutlineColor (const QColor &color)
	Set outline color. More...

void	setPaintEffect (QgsPaintEffect *effect)
	Sets the current paint effect for the layer. More...

void	setRenderingPass (int renderingPass)

virtual void	toSld (QDomDocument &doc, QDomElement &element, const QgsStringMap &props) const
	Writes the SLD element following the SLD v1.1 specs. More...

QgsSymbolV2::SymbolType	type () const

virtual bool	writeDxf (QgsDxfExport &e, double mmMapUnitScaleFactor, const QString &layerName, QgsSymbolV2RenderContext &context, QPointF shift=QPointF(0.0, 0.0)) const
	write as DXF More...

Static Public Member Functions
static QgsSymbolLayerV2 *	create (const QgsStringMap &properties=QgsStringMap())
	Create a new QgsArrowSymbolLayer. More...

Additional Inherited Members
Protected Member Functions inherited from QgsLineSymbolLayerV2
	QgsLineSymbolLayerV2 (bool locked=false)

Protected Member Functions inherited from QgsSymbolLayerV2
	QgsSymbolLayerV2 (QgsSymbolV2::SymbolType type, bool locked=false)

void	copyDataDefinedProperties (QgsSymbolLayerV2 *destLayer) const
	Copies all data defined properties of this layer to another symbol layer. More...

void	copyPaintEffect (QgsSymbolLayerV2 *destLayer) const
	Copies paint effect of this layer to another symbol layer. More...

virtual Q_DECL_DEPRECATED QgsExpression *	expression (const QString &property) const
	Returns the data defined expression associated with a property. More...

virtual Q_DECL_DEPRECATED void	prepareExpressions (const QgsFields *fields, double scale=-1.0)
	Prepares all data defined property expressions for evaluation. More...

virtual void	prepareExpressions (const QgsSymbolV2RenderContext &context)
	Prepares all data defined property expressions for evaluation. More...

void	restoreDataDefinedProperties (const QgsStringMap &stringMap)
	Restores all data defined properties from string map. More...

void	saveDataDefinedProperties (QgsStringMap &stringMap) const
	Saves all data defined properties to a string map. More...

Protected Attributes inherited from QgsLineSymbolLayerV2
double	mOffset

QgsMapUnitScale	mOffsetMapUnitScale

QgsSymbolV2::OutputUnit	mOffsetUnit

double	mWidth

QgsMapUnitScale	mWidthMapUnitScale

QgsSymbolV2::OutputUnit	mWidthUnit

Protected Attributes inherited from QgsSymbolLayerV2
QColor	mColor

QMap< QString, QgsDataDefined *>	mDataDefinedProperties

QgsFields	mFields

bool	mLocked

QgsPaintEffect *	mPaintEffect

int	mRenderingPass

QgsSymbolV2::SymbolType	mType

Static Protected Attributes inherited from QgsSymbolLayerV2
static const QString	EXPR_ALPHA

static const QString	EXPR_ANGLE

static const QString	EXPR_BLUR_RADIUS

static const QString	EXPR_BORDER_COLOR

static const QString	EXPR_BORDER_STYLE

static const QString	EXPR_CAPSTYLE

static const QString	EXPR_CHAR

static const QString	EXPR_COLOR

static const QString	EXPR_COLOR2

static const QString	EXPR_COLOR_BORDER

static const QString	EXPR_COORDINATE_MODE

static const QString	EXPR_CUSTOMDASH

static const QString	EXPR_DISPLACEMENT_X

static const QString	EXPR_DISPLACEMENT_Y

static const QString	EXPR_DISTANCE

static const QString	EXPR_DISTANCE_X

static const QString	EXPR_DISTANCE_Y

static const QString	EXPR_FILE

static const QString	EXPR_FILL

static const QString	EXPR_FILL_COLOR

static const QString	EXPR_FILL_STYLE

static const QString	EXPR_GRADIENT_TYPE

static const QString	EXPR_HEIGHT

static const QString	EXPR_HORIZONTAL_ANCHOR_POINT

static const QString	EXPR_IGNORE_RINGS

static const QString	EXPR_INTERVAL

static const QString	EXPR_JOIN_STYLE

static const QString	EXPR_JOINSTYLE

static const QString	EXPR_LINE_STYLE

static const QString	EXPR_LINEANGLE

static const QString	EXPR_LINEWIDTH

static const QString	EXPR_MAX_DISTANCE

static const QString	EXPR_NAME

static const QString	EXPR_OFFSET

static const QString	EXPR_OFFSET_ALONG_LINE

static const QString	EXPR_OUTLINE

static const QString	EXPR_OUTLINE_COLOR

static const QString	EXPR_OUTLINE_STYLE

static const QString	EXPR_OUTLINE_WIDTH

static const QString	EXPR_PLACEMENT

static const QString	EXPR_REFERENCE1_ISCENTROID

static const QString	EXPR_REFERENCE1_X

static const QString	EXPR_REFERENCE1_Y

static const QString	EXPR_REFERENCE2_ISCENTROID

static const QString	EXPR_REFERENCE2_X

static const QString	EXPR_REFERENCE2_Y

static const QString	EXPR_ROTATION

static const QString	EXPR_SIZE

static const QString	EXPR_SPREAD

static const QString	EXPR_SVG_FILE

static const QString	EXPR_SVG_FILL_COLOR

static const QString	EXPR_SVG_OUTLINE_COLOR

static const QString	EXPR_SVG_OUTLINE_WIDTH

static const QString	EXPR_SYMBOL_NAME

static const QString	EXPR_USE_WHOLE_SHAPE

static const QString	EXPR_VERTICAL_ANCHOR_POINT

static const QString	EXPR_WIDTH

static const QString	EXPR_WIDTH_BORDER

static const bool	selectFillBorder = false

static const bool	selectFillStyle = false

static const bool	selectionIsOpaque = true

Detailed Description

Line symbol layer used for representing lines as arrows.

Note: Added in version 2.16

Definition at line 28 of file qgsarrowsymbollayer.h.

Member Enumeration Documentation

◆ ArrowType

enum QgsArrowSymbolLayer::ArrowType

Possible arrow types.

Enumerator
ArrowPlain
ArrowLeftHalf
ArrowRightHalf

Definition at line 131 of file qgsarrowsymbollayer.h.

◆ HeadType

enum QgsArrowSymbolLayer::HeadType

Possible head types.

Enumerator
HeadSingle
HeadReversed
HeadDouble

Definition at line 118 of file qgsarrowsymbollayer.h.

Constructor & Destructor Documentation

◆ QgsArrowSymbolLayer()

QgsArrowSymbolLayer::QgsArrowSymbolLayer ( )

Simple constructor.

Definition at line 18 of file qgsarrowsymbollayer.cpp.

Member Function Documentation

◆ arrowStartWidth()

double QgsArrowSymbolLayer::arrowStartWidth ( ) const

inline

Get current arrow start width.

Only meaningful for single headed arrows

Definition at line 69 of file qgsarrowsymbollayer.h.

◆ arrowStartWidthUnit()

QgsSymbolV2::OutputUnit QgsArrowSymbolLayer::arrowStartWidthUnit ( ) const

inline

Get the unit for the arrow start width.

Definition at line 73 of file qgsarrowsymbollayer.h.

◆ arrowStartWidthUnitScale()

QgsMapUnitScale QgsArrowSymbolLayer::arrowStartWidthUnitScale ( ) const

inline

Get the scale for the arrow start width.

Definition at line 77 of file qgsarrowsymbollayer.h.

◆ arrowType()

ArrowType QgsArrowSymbolLayer::arrowType ( ) const

inline

Get the current arrow type.

Definition at line 139 of file qgsarrowsymbollayer.h.

◆ arrowWidth()

double QgsArrowSymbolLayer::arrowWidth ( ) const

inline

Get current arrow width.

Definition at line 56 of file qgsarrowsymbollayer.h.

◆ arrowWidthUnit()

QgsSymbolV2::OutputUnit QgsArrowSymbolLayer::arrowWidthUnit ( ) const

inline

Get the unit for the arrow width.

Definition at line 60 of file qgsarrowsymbollayer.h.

◆ arrowWidthUnitScale()

QgsMapUnitScale QgsArrowSymbolLayer::arrowWidthUnitScale ( ) const

inline

Get the scale for the arrow width.

Definition at line 64 of file qgsarrowsymbollayer.h.

◆ clone()

QgsArrowSymbolLayer * QgsArrowSymbolLayer::clone ( ) const

overridevirtual

Virtual constructor.

Implements QgsSymbolLayerV2.

Definition at line 126 of file qgsarrowsymbollayer.cpp.

◆ color()

QColor QgsArrowSymbolLayer::color ( ) const

overridevirtual

The fill color.

Reimplemented from QgsSymbolLayerV2.

Definition at line 805 of file qgsarrowsymbollayer.cpp.

◆ create()

QgsSymbolLayerV2 * QgsArrowSymbolLayer::create ( const QgsStringMap & properties = QgsStringMap() )

static

Create a new QgsArrowSymbolLayer.

Parameters

properties A property map to deserialize saved information from properties()

Returns: A new QgsArrowSymbolLayer

Definition at line 58 of file qgsarrowsymbollayer.cpp.

◆ headLength()

double QgsArrowSymbolLayer::headLength ( ) const

inline

Get the current arrow head length.

Definition at line 82 of file qgsarrowsymbollayer.h.

◆ headLengthUnit()

QgsSymbolV2::OutputUnit QgsArrowSymbolLayer::headLengthUnit ( ) const

inline

Get the unit for the head length.

Definition at line 86 of file qgsarrowsymbollayer.h.

◆ headLengthUnitScale()

QgsMapUnitScale QgsArrowSymbolLayer::headLengthUnitScale ( ) const

inline

Get the scale for the head length.

Definition at line 90 of file qgsarrowsymbollayer.h.

◆ headThickness()

double QgsArrowSymbolLayer::headThickness ( ) const

inline

Get the current arrow head height.

Definition at line 95 of file qgsarrowsymbollayer.h.

◆ headThicknessUnit()

QgsSymbolV2::OutputUnit QgsArrowSymbolLayer::headThicknessUnit ( ) const

inline

Get the unit for the head height.

Definition at line 99 of file qgsarrowsymbollayer.h.

◆ headThicknessUnitScale()

QgsMapUnitScale QgsArrowSymbolLayer::headThicknessUnitScale ( ) const

inline

Get the scale for the head height.

Definition at line 103 of file qgsarrowsymbollayer.h.

◆ headType()

HeadType QgsArrowSymbolLayer::headType ( ) const

inline

Get the current head type.

Definition at line 126 of file qgsarrowsymbollayer.h.

◆ isCurved()

bool QgsArrowSymbolLayer::isCurved ( ) const

inline

Return whether it is a curved arrow or a straight one.

Definition at line 108 of file qgsarrowsymbollayer.h.

◆ isRepeated()

bool QgsArrowSymbolLayer::isRepeated ( ) const

inline

Return whether the arrow is repeated along the line or not.

Definition at line 113 of file qgsarrowsymbollayer.h.

◆ layerType()

QString QgsArrowSymbolLayer::layerType ( ) const

overridevirtual

Returns a string that represents this layer type.

Used for serialization. Should match with the string used to register this symbol layer in the registry.

Implements QgsSymbolLayerV2.

Definition at line 135 of file qgsarrowsymbollayer.cpp.

◆ properties()

QgsStringMap QgsArrowSymbolLayer::properties ( ) const

overridevirtual

Should be reimplemented by subclasses to return a string map that contains the configuration information for the symbol layer.

This is used to serialize a symbol layer perstistently.

Implements QgsSymbolLayerV2.

Definition at line 140 of file qgsarrowsymbollayer.cpp.

◆ renderPolyline()

void QgsArrowSymbolLayer::renderPolyline	(	const QPolygonF &	points,
		QgsSymbolV2RenderContext &	context
	)

overridevirtual

Main drawing method.

Implements QgsLineSymbolLayerV2.

Definition at line 684 of file qgsarrowsymbollayer.cpp.

◆ setArrowStartWidth()

void QgsArrowSymbolLayer::setArrowStartWidth ( double width )

inline

Set the arrow start width.

Definition at line 71 of file qgsarrowsymbollayer.h.

◆ setArrowStartWidthUnit()

void QgsArrowSymbolLayer::setArrowStartWidthUnit ( QgsSymbolV2::OutputUnit unit )

inline

Set the unit for the arrow start width.

Definition at line 75 of file qgsarrowsymbollayer.h.

◆ setArrowStartWidthUnitScale()

void QgsArrowSymbolLayer::setArrowStartWidthUnitScale ( const QgsMapUnitScale & scale )

inline

Set the scale for the arrow start width.

Definition at line 79 of file qgsarrowsymbollayer.h.

◆ setArrowType()

void QgsArrowSymbolLayer::setArrowType ( ArrowType type )

inline

Set the arrow type.

Definition at line 141 of file qgsarrowsymbollayer.h.

◆ setArrowWidth()

void QgsArrowSymbolLayer::setArrowWidth ( double width )

inline

Set the arrow width.

Definition at line 58 of file qgsarrowsymbollayer.h.

◆ setArrowWidthUnit()

void QgsArrowSymbolLayer::setArrowWidthUnit ( QgsSymbolV2::OutputUnit unit )

inline

Set the unit for the arrow width.

Definition at line 62 of file qgsarrowsymbollayer.h.

◆ setArrowWidthUnitScale()

void QgsArrowSymbolLayer::setArrowWidthUnitScale ( const QgsMapUnitScale & scale )

inline

Set the scale for the arrow width.

Definition at line 66 of file qgsarrowsymbollayer.h.

◆ setColor()

void QgsArrowSymbolLayer::setColor ( const QColor & color )

overridevirtual

The fill color.

Reimplemented from QgsSymbolLayerV2.

Definition at line 797 of file qgsarrowsymbollayer.cpp.

◆ setHeadLength()

void QgsArrowSymbolLayer::setHeadLength ( double length )

inline

Set the arrow head length.

Definition at line 84 of file qgsarrowsymbollayer.h.

◆ setHeadLengthUnit()

void QgsArrowSymbolLayer::setHeadLengthUnit ( QgsSymbolV2::OutputUnit unit )

inline

Set the unit for the head length.

Definition at line 88 of file qgsarrowsymbollayer.h.

◆ setHeadLengthUnitScale()

void QgsArrowSymbolLayer::setHeadLengthUnitScale ( const QgsMapUnitScale & scale )

inline

Set the scale for the head length.

Definition at line 92 of file qgsarrowsymbollayer.h.

◆ setHeadThickness()

void QgsArrowSymbolLayer::setHeadThickness ( double thickness )

inline

Set the arrow head height.

Definition at line 97 of file qgsarrowsymbollayer.h.

◆ setHeadThicknessUnit()

void QgsArrowSymbolLayer::setHeadThicknessUnit ( QgsSymbolV2::OutputUnit unit )

inline

Set the unit for the head height.

Definition at line 101 of file qgsarrowsymbollayer.h.

◆ setHeadThicknessUnitScale()

void QgsArrowSymbolLayer::setHeadThicknessUnitScale ( const QgsMapUnitScale & scale )

inline

Set the scale for the head height.

Definition at line 105 of file qgsarrowsymbollayer.h.

◆ setHeadType()

void QgsArrowSymbolLayer::setHeadType ( HeadType type )

inline

Set the head type.

Definition at line 128 of file qgsarrowsymbollayer.h.

◆ setIsCurved()

void QgsArrowSymbolLayer::setIsCurved ( bool isCurved )

inline

Set whether it is a curved arrow or a straight one.

Definition at line 110 of file qgsarrowsymbollayer.h.

◆ setIsRepeated()

void QgsArrowSymbolLayer::setIsRepeated ( bool isRepeated )

inline

Set whether the arrow is repeated along the line.

Definition at line 115 of file qgsarrowsymbollayer.h.

◆ setSubSymbol()

bool QgsArrowSymbolLayer::setSubSymbol ( QgsSymbolV2 * symbol )

overridevirtual

Set the sub symbol used for filling.

Takes ownership.

Reimplemented from QgsSymbolLayerV2.

Definition at line 47 of file qgsarrowsymbollayer.cpp.

◆ startRender()

void QgsArrowSymbolLayer::startRender ( QgsSymbolV2RenderContext & context )

overridevirtual

Prepare the rendering.

Implements QgsSymbolLayerV2.

Definition at line 184 of file qgsarrowsymbollayer.cpp.

◆ stopRender()

void QgsArrowSymbolLayer::stopRender ( QgsSymbolV2RenderContext & context )

overridevirtual

End of the rendering.

Implements QgsSymbolLayerV2.

Definition at line 198 of file qgsarrowsymbollayer.cpp.

◆ subSymbol()

virtual QgsSymbolV2* QgsArrowSymbolLayer::subSymbol ( )

inlineoverridevirtual

Get the sub symbol used for filling.

Reimplemented from QgsSymbolLayerV2.

Definition at line 47 of file qgsarrowsymbollayer.h.

◆ usedAttributes()

QSet< QString > QgsArrowSymbolLayer::usedAttributes ( ) const

overridevirtual

Return a list of attributes required to render this feature.

Reimplemented from QgsSymbolLayerV2.

Definition at line 174 of file qgsarrowsymbollayer.cpp.

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

/tmp/buildd/qgis-2.18.21+99unstable/src/core/symbology-ng/qgsarrowsymbollayer.h
/tmp/buildd/qgis-2.18.21+99unstable/src/core/symbology-ng/qgsarrowsymbollayer.cpp

Public Types

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ ArrowType

◆ HeadType

Constructor & Destructor Documentation

◆ QgsArrowSymbolLayer()

Member Function Documentation

◆ arrowStartWidth()

◆ arrowStartWidthUnit()

◆ arrowStartWidthUnitScale()

◆ arrowType()

◆ arrowWidth()

◆ arrowWidthUnit()

◆ arrowWidthUnitScale()

◆ clone()

◆ color()

◆ create()

◆ headLength()

◆ headLengthUnit()

◆ headLengthUnitScale()

◆ headThickness()

◆ headThicknessUnit()

◆ headThicknessUnitScale()

◆ headType()

◆ isCurved()

◆ isRepeated()

◆ layerType()

◆ properties()

◆ renderPolyline()

◆ setArrowStartWidth()

◆ setArrowStartWidthUnit()

◆ setArrowStartWidthUnitScale()

◆ setArrowType()

◆ setArrowWidth()

◆ setArrowWidthUnit()

◆ setArrowWidthUnitScale()

◆ setColor()

◆ setHeadLength()

◆ setHeadLengthUnit()

◆ setHeadLengthUnitScale()

◆ setHeadThickness()

◆ setHeadThicknessUnit()

◆ setHeadThicknessUnitScale()

◆ setHeadType()

◆ setIsCurved()

◆ setIsRepeated()

◆ setSubSymbol()

◆ startRender()

◆ stopRender()

◆ subSymbol()

◆ usedAttributes()