QGIS API Documentation  2.18.3-Las Palmas (77b8c3d)
Public Types | Public Member Functions | Static Public Member Functions | List of all members
QgsArrowSymbolLayer Class Reference

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

#include <qgsarrowsymbollayer.h>

Inheritance diagram for QgsArrowSymbolLayer:
Inheritance graph
[legend]

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 QgsArrowSymbolLayerclone () 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 QgsSymbolV2subSymbol () override
 Get the sub symbol used for filling. More...
 
virtual QSet< QStringusedAttributes () 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 QgsMapUnitScaleoffsetMapUnitScale () 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 QgsMapUnitScalewidthMapUnitScale () const
 
QgsSymbolV2::OutputUnit widthUnit () const
 
- Public Member Functions inherited from QgsSymbolLayerV2
virtual ~QgsSymbolLayerV2 ()
 
virtual Q_DECL_DEPRECATED const QgsExpressiondataDefinedProperty (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 QgsDataDefinedgetDataDefinedProperty (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...
 
QgsPaintEffectpaintEffect () 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 QgsSymbolLayerV2create (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 QgsExpressionexpression (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
 
QgsPaintEffectmPaintEffect
 
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

Possible arrow types.

Enumerator
ArrowPlain 
ArrowLeftHalf 
ArrowRightHalf 

Definition at line 131 of file qgsarrowsymbollayer.h.

Possible head types.

Enumerator
HeadSingle 
HeadReversed 
HeadDouble 

Definition at line 118 of file qgsarrowsymbollayer.h.

Constructor & Destructor Documentation

QgsArrowSymbolLayer::QgsArrowSymbolLayer ( )

Simple constructor.

Definition at line 18 of file qgsarrowsymbollayer.cpp.

Member Function Documentation

double QgsArrowSymbolLayer::arrowStartWidth ( ) const
inline

Get current arrow start width.

Only meaningfull for single headed arrows

Definition at line 69 of file qgsarrowsymbollayer.h.

QgsSymbolV2::OutputUnit QgsArrowSymbolLayer::arrowStartWidthUnit ( ) const
inline

Get the unit for the arrow start width.

Definition at line 73 of file qgsarrowsymbollayer.h.

QgsMapUnitScale QgsArrowSymbolLayer::arrowStartWidthUnitScale ( ) const
inline

Get the scale for the arrow start width.

Definition at line 77 of file qgsarrowsymbollayer.h.

ArrowType QgsArrowSymbolLayer::arrowType ( ) const
inline

Get the current arrow type.

Definition at line 139 of file qgsarrowsymbollayer.h.

double QgsArrowSymbolLayer::arrowWidth ( ) const
inline

Get current arrow width.

Definition at line 56 of file qgsarrowsymbollayer.h.

QgsSymbolV2::OutputUnit QgsArrowSymbolLayer::arrowWidthUnit ( ) const
inline

Get the unit for the arrow width.

Definition at line 60 of file qgsarrowsymbollayer.h.

QgsMapUnitScale QgsArrowSymbolLayer::arrowWidthUnitScale ( ) const
inline

Get the scale for the arrow width.

Definition at line 64 of file qgsarrowsymbollayer.h.

QgsArrowSymbolLayer * QgsArrowSymbolLayer::clone ( ) const
overridevirtual

Virtual constructor.

Implements QgsSymbolLayerV2.

Definition at line 126 of file qgsarrowsymbollayer.cpp.

QColor QgsArrowSymbolLayer::color ( ) const
overridevirtual

The fill color.

Reimplemented from QgsSymbolLayerV2.

Definition at line 805 of file qgsarrowsymbollayer.cpp.

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

Create a new QgsArrowSymbolLayer.

Parameters
propertiesA property map to deserialize saved information from properties()
Returns
A new QgsArrowSymbolLayer

Definition at line 58 of file qgsarrowsymbollayer.cpp.

double QgsArrowSymbolLayer::headLength ( ) const
inline

Get the current arrow head length.

Definition at line 82 of file qgsarrowsymbollayer.h.

QgsSymbolV2::OutputUnit QgsArrowSymbolLayer::headLengthUnit ( ) const
inline

Get the unit for the head length.

Definition at line 86 of file qgsarrowsymbollayer.h.

QgsMapUnitScale QgsArrowSymbolLayer::headLengthUnitScale ( ) const
inline

Get the scale for the head length.

Definition at line 90 of file qgsarrowsymbollayer.h.

double QgsArrowSymbolLayer::headThickness ( ) const
inline

Get the current arrow head height.

Definition at line 95 of file qgsarrowsymbollayer.h.

QgsSymbolV2::OutputUnit QgsArrowSymbolLayer::headThicknessUnit ( ) const
inline

Get the unit for the head height.

Definition at line 99 of file qgsarrowsymbollayer.h.

QgsMapUnitScale QgsArrowSymbolLayer::headThicknessUnitScale ( ) const
inline

Get the scale for the head height.

Definition at line 103 of file qgsarrowsymbollayer.h.

HeadType QgsArrowSymbolLayer::headType ( ) const
inline

Get the current head type.

Definition at line 126 of file qgsarrowsymbollayer.h.

bool QgsArrowSymbolLayer::isCurved ( ) const
inline

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

Definition at line 108 of file qgsarrowsymbollayer.h.

bool QgsArrowSymbolLayer::isRepeated ( ) const
inline

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

Definition at line 113 of file qgsarrowsymbollayer.h.

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.

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.

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

Main drawing method.

Implements QgsLineSymbolLayerV2.

Definition at line 684 of file qgsarrowsymbollayer.cpp.

void QgsArrowSymbolLayer::setArrowStartWidth ( double  width)
inline

Set the arrow start width.

Definition at line 71 of file qgsarrowsymbollayer.h.

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

Set the unit for the arrow start width.

Definition at line 75 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setArrowStartWidthUnitScale ( const QgsMapUnitScale scale)
inline

Set the scale for the arrow start width.

Definition at line 79 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setArrowType ( ArrowType  type)
inline

Set the arrow type.

Definition at line 141 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setArrowWidth ( double  width)
inline

Set the arrow width.

Definition at line 58 of file qgsarrowsymbollayer.h.

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

Set the unit for the arrow width.

Definition at line 62 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setArrowWidthUnitScale ( const QgsMapUnitScale scale)
inline

Set the scale for the arrow width.

Definition at line 66 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setColor ( const QColor color)
overridevirtual

The fill color.

Reimplemented from QgsSymbolLayerV2.

Definition at line 797 of file qgsarrowsymbollayer.cpp.

void QgsArrowSymbolLayer::setHeadLength ( double  length)
inline

Set the arrow head length.

Definition at line 84 of file qgsarrowsymbollayer.h.

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

Set the unit for the head length.

Definition at line 88 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setHeadLengthUnitScale ( const QgsMapUnitScale scale)
inline

Set the scale for the head length.

Definition at line 92 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setHeadThickness ( double  thickness)
inline

Set the arrow head height.

Definition at line 97 of file qgsarrowsymbollayer.h.

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

Set the unit for the head height.

Definition at line 101 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setHeadThicknessUnitScale ( const QgsMapUnitScale scale)
inline

Set the scale for the head height.

Definition at line 105 of file qgsarrowsymbollayer.h.

void QgsArrowSymbolLayer::setHeadType ( HeadType  type)
inline

Set the head type.

Definition at line 128 of file qgsarrowsymbollayer.h.

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.

void QgsArrowSymbolLayer::setIsRepeated ( bool  isRepeated)
inline

Set whether the arrow is repeated along the line.

Definition at line 115 of file qgsarrowsymbollayer.h.

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.

void QgsArrowSymbolLayer::startRender ( QgsSymbolV2RenderContext context)
overridevirtual

Prepare the rendering.

Implements QgsSymbolLayerV2.

Definition at line 184 of file qgsarrowsymbollayer.cpp.

void QgsArrowSymbolLayer::stopRender ( QgsSymbolV2RenderContext context)
overridevirtual

End of the rendering.

Implements QgsSymbolLayerV2.

Definition at line 198 of file qgsarrowsymbollayer.cpp.

virtual QgsSymbolV2* QgsArrowSymbolLayer::subSymbol ( )
inlineoverridevirtual

Get the sub symbol used for filling.

Reimplemented from QgsSymbolLayerV2.

Definition at line 47 of file qgsarrowsymbollayer.h.

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: