QGIS API Documentation  2.18.21-Las Palmas (9fba24a)
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
QgsMarkerLineSymbolLayerV2 Class Reference

#include <qgslinesymbollayerv2.h>

Inheritance diagram for QgsMarkerLineSymbolLayerV2:
Inheritance graph
[legend]

Public Types

enum  Placement {
  Interval, Vertex, LastVertex, FirstVertex,
  CentralPoint, CurvePoint
}
 Defines how/where the marker should be placed on the line. More...
 

Public Member Functions

 QgsMarkerLineSymbolLayerV2 (bool rotateMarker=DEFAULT_MARKERLINE_ROTATE, double interval=DEFAULT_MARKERLINE_INTERVAL)
 
 ~QgsMarkerLineSymbolLayerV2 ()
 
QgsMarkerLineSymbolLayerV2clone () const override
 Shall be reimplemented by subclasses to create a deep copy of the instance. More...
 
virtual QColor color () const override
 The fill color. More...
 
double estimateMaxBleed () const override
 Returns the estimated maximum distance which the layer style will bleed outside the drawn shape. More...
 
double interval () const
 The interval between individual markers. More...
 
const QgsMapUnitScaleintervalMapUnitScale () const
 
QgsSymbolV2::OutputUnit intervalUnit () const
 
QString layerType () const override
 Returns a string that represents this layer type. More...
 
QgsMapUnitScale mapUnitScale () const override
 
double offsetAlongLine () const
 Returns the offset along the line for the marker placement. More...
 
const QgsMapUnitScaleoffsetAlongLineMapUnitScale () const
 Returns the map unit scale used for calculating the offset in map units along line for markers. More...
 
QgsSymbolV2::OutputUnit offsetAlongLineUnit () const
 Returns the unit used for calculating the offset along line for markers. More...
 
QgsSymbolV2::OutputUnit outputUnit () const override
 
Placement placement () const
 The placement of the markers. 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 renderPolygonOutline (const QPolygonF &points, QList< QPolygonF > *rings, QgsSymbolV2RenderContext &context) override
 
void renderPolyline (const QPolygonF &points, QgsSymbolV2RenderContext &context) override
 
bool rotateMarker () const
 Shall the marker be rotated. More...
 
void setColor (const QColor &color) override
 The fill color. More...
 
void setDataDefinedProperty (const QString &property, QgsDataDefined *dataDefined) override
 Sets a data defined property for the layer. More...
 
void setInterval (double interval)
 The interval between individual markers. More...
 
void setIntervalMapUnitScale (const QgsMapUnitScale &scale)
 
void setIntervalUnit (QgsSymbolV2::OutputUnit unit)
 
void setMapUnitScale (const QgsMapUnitScale &scale) override
 
void setOffsetAlongLine (double offsetAlongLine)
 Sets the the offset along the line for the marker placement. More...
 
void setOffsetAlongLineMapUnitScale (const QgsMapUnitScale &scale)
 Sets the map unit scale used for calculating the offset in map units along line for markers. More...
 
void setOffsetAlongLineUnit (QgsSymbolV2::OutputUnit unit)
 Sets the unit used for calculating the offset along line for markers. More...
 
void setOutputUnit (QgsSymbolV2::OutputUnit unit) override
 
void setPlacement (Placement p)
 The placement of the markers. More...
 
void setRotateMarker (bool rotate)
 Shall the marker be rotated. More...
 
bool setSubSymbol (QgsSymbolV2 *symbol) override
 set layer's subsymbol. takes ownership of the passed symbol More...
 
virtual void setWidth (double width) override
 
void startRender (QgsSymbolV2RenderContext &context) override
 
void stopRender (QgsSymbolV2RenderContext &context) override
 
QgsSymbolV2subSymbol () override
 
void toSld (QDomDocument &doc, QDomElement &element, const QgsStringMap &props) const override
 Writes the SLD element following the SLD v1.1 specs. More...
 
QSet< QStringusedAttributes () const override
 Returns the set of attributes referenced by the layer. More...
 
virtual double width () const override
 
- 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
 
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
 
void setWidthMapUnitScale (const QgsMapUnitScale &scale)
 
void setWidthUnit (QgsSymbolV2::OutputUnit unit)
 
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 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 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)
 
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 MarkerLineSymbolLayerV2. More...
 
static QgsSymbolLayerV2createFromSld (QDomElement &element)
 Create a new MarkerLineSymbolLayerV2 from SLD. More...
 

Protected Member Functions

double markerAngle (const QPolygonF &points, bool isRing, int vertex)
 
void renderPolylineCentral (const QPolygonF &points, QgsSymbolV2RenderContext &context)
 
void renderPolylineInterval (const QPolygonF &points, QgsSymbolV2RenderContext &context)
 
void renderPolylineVertex (const QPolygonF &points, QgsSymbolV2RenderContext &context, Placement placement=Vertex)
 
- 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

double mInterval
 
QgsMapUnitScale mIntervalMapUnitScale
 
QgsSymbolV2::OutputUnit mIntervalUnit
 
QgsMarkerSymbolV2mMarker
 
double mOffsetAlongLine
 
QgsMapUnitScale mOffsetAlongLineMapUnitScale
 
QgsSymbolV2::OutputUnit mOffsetAlongLineUnit
 
Placement mPlacement
 
bool mRotateMarker
 
- 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
 

Additional Inherited Members

- 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

Definition at line 143 of file qgslinesymbollayerv2.h.

Member Enumeration Documentation

◆ Placement

Defines how/where the marker should be placed on the line.

Enumerator
Interval 
Vertex 
LastVertex 
FirstVertex 
CentralPoint 
CurvePoint 

Definition at line 154 of file qgslinesymbollayerv2.h.

Constructor & Destructor Documentation

◆ QgsMarkerLineSymbolLayerV2()

QgsMarkerLineSymbolLayerV2::QgsMarkerLineSymbolLayerV2 ( bool  rotateMarker = DEFAULT_MARKERLINE_ROTATE,
double  interval = DEFAULT_MARKERLINE_INTERVAL 
)

Definition at line 735 of file qgslinesymbollayerv2.cpp.

◆ ~QgsMarkerLineSymbolLayerV2()

QgsMarkerLineSymbolLayerV2::~QgsMarkerLineSymbolLayerV2 ( )

Definition at line 748 of file qgslinesymbollayerv2.cpp.

Member Function Documentation

◆ clone()

QgsMarkerLineSymbolLayerV2 * QgsMarkerLineSymbolLayerV2::clone ( ) const
overridevirtual

Shall be reimplemented by subclasses to create a deep copy of the instance.

Implements QgsSymbolLayerV2.

Definition at line 1406 of file qgslinesymbollayerv2.cpp.

◆ color()

QColor QgsMarkerLineSymbolLayerV2::color ( ) const
overridevirtual

The fill color.

Reimplemented from QgsSymbolLayerV2.

Definition at line 831 of file qgslinesymbollayerv2.cpp.

◆ create()

QgsSymbolLayerV2 * QgsMarkerLineSymbolLayerV2::create ( const QgsStringMap properties = QgsStringMap())
static

Create a new MarkerLineSymbolLayerV2.

Parameters
propertiesA property map to deserialize saved information from properties()
Returns
A new MarkerLineSymbolLayerV2

Definition at line 753 of file qgslinesymbollayerv2.cpp.

◆ createFromSld()

QgsSymbolLayerV2 * QgsMarkerLineSymbolLayerV2::createFromSld ( QDomElement element)
static

Create a new MarkerLineSymbolLayerV2 from SLD.

Parameters
elementAn SLD XML DOM element
Returns
A new MarkerLineSymbolLayerV2

Definition at line 1501 of file qgslinesymbollayerv2.cpp.

◆ estimateMaxBleed()

double QgsMarkerLineSymbolLayerV2::estimateMaxBleed ( ) const
overridevirtual

Returns the estimated maximum distance which the layer style will bleed outside the drawn shape.

Eg, polygons drawn with an outline will draw half the width of the outline outside of the polygon. This amount is estimated, since it may be affected by data defined symbology rules.

Reimplemented from QgsSymbolLayerV2.

Definition at line 1644 of file qgslinesymbollayerv2.cpp.

◆ interval()

double QgsMarkerLineSymbolLayerV2::interval ( ) const
inline

The interval between individual markers.

Definition at line 231 of file qgslinesymbollayerv2.h.

◆ intervalMapUnitScale()

const QgsMapUnitScale& QgsMarkerLineSymbolLayerV2::intervalMapUnitScale ( ) const
inline

Definition at line 301 of file qgslinesymbollayerv2.h.

◆ intervalUnit()

QgsSymbolV2::OutputUnit QgsMarkerLineSymbolLayerV2::intervalUnit ( ) const
inline

Definition at line 298 of file qgslinesymbollayerv2.h.

◆ layerType()

QString QgsMarkerLineSymbolLayerV2::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 820 of file qgslinesymbollayerv2.cpp.

◆ mapUnitScale()

QgsMapUnitScale QgsMarkerLineSymbolLayerV2::mapUnitScale ( ) const
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Definition at line 1625 of file qgslinesymbollayerv2.cpp.

◆ markerAngle()

double QgsMarkerLineSymbolLayerV2::markerAngle ( const QPolygonF points,
bool  isRing,
int  vertex 
)
protected

Definition at line 1174 of file qgslinesymbollayerv2.cpp.

◆ offsetAlongLine()

double QgsMarkerLineSymbolLayerV2::offsetAlongLine ( ) const
inline

Returns the offset along the line for the marker placement.

For Interval placements, this is the distance between the start of the line and the first marker. For FirstVertex and LastVertex placements, this is the distance between the marker and the start of the line or the end of the line respectively. This setting has no effect for Vertex or CentralPoint placements.

Returns
The offset along the line. The unit for the offset is retrievable via offsetAlongLineUnit.
Note
added in 2.3
See also
setOffsetAlongLine
offsetAlongLineUnit
placement

Definition at line 258 of file qgslinesymbollayerv2.h.

◆ offsetAlongLineMapUnitScale()

const QgsMapUnitScale& QgsMarkerLineSymbolLayerV2::offsetAlongLineMapUnitScale ( ) const
inline

Returns the map unit scale used for calculating the offset in map units along line for markers.

Returns
Offset along line map unit scale.

Definition at line 290 of file qgslinesymbollayerv2.h.

◆ offsetAlongLineUnit()

QgsSymbolV2::OutputUnit QgsMarkerLineSymbolLayerV2::offsetAlongLineUnit ( ) const
inline

Returns the unit used for calculating the offset along line for markers.

Returns
Offset along line unit type.
See also
setOffsetAlongLineUnit
offsetAlongLine

Definition at line 278 of file qgslinesymbollayerv2.h.

◆ outputUnit()

QgsSymbolV2::OutputUnit QgsMarkerLineSymbolLayerV2::outputUnit ( ) const
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Definition at line 1607 of file qgslinesymbollayerv2.cpp.

◆ placement()

Placement QgsMarkerLineSymbolLayerV2::placement ( ) const
inline

The placement of the markers.

Definition at line 241 of file qgslinesymbollayerv2.h.

◆ properties()

QgsStringMap QgsMarkerLineSymbolLayerV2::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 1357 of file qgslinesymbollayerv2.cpp.

◆ renderPolygonOutline()

void QgsMarkerLineSymbolLayerV2::renderPolygonOutline ( const QPolygonF points,
QList< QPolygonF > *  rings,
QgsSymbolV2RenderContext context 
)
overridevirtual

Reimplemented from QgsLineSymbolLayerV2.

Definition at line 937 of file qgslinesymbollayerv2.cpp.

◆ renderPolyline()

void QgsMarkerLineSymbolLayerV2::renderPolyline ( const QPolygonF points,
QgsSymbolV2RenderContext context 
)
overridevirtual

Implements QgsLineSymbolLayerV2.

Definition at line 859 of file qgslinesymbollayerv2.cpp.

◆ renderPolylineCentral()

void QgsMarkerLineSymbolLayerV2::renderPolylineCentral ( const QPolygonF points,
QgsSymbolV2RenderContext context 
)
protected

Definition at line 1308 of file qgslinesymbollayerv2.cpp.

◆ renderPolylineInterval()

void QgsMarkerLineSymbolLayerV2::renderPolylineInterval ( const QPolygonF points,
QgsSymbolV2RenderContext context 
)
protected

Definition at line 961 of file qgslinesymbollayerv2.cpp.

◆ renderPolylineVertex()

void QgsMarkerLineSymbolLayerV2::renderPolylineVertex ( const QPolygonF points,
QgsSymbolV2RenderContext context,
Placement  placement = Vertex 
)
protected

Definition at line 1046 of file qgslinesymbollayerv2.cpp.

◆ rotateMarker()

bool QgsMarkerLineSymbolLayerV2::rotateMarker ( ) const
inline

Shall the marker be rotated.

Returns
True if the marker should be rotated.

Definition at line 221 of file qgslinesymbollayerv2.h.

◆ setColor()

void QgsMarkerLineSymbolLayerV2::setColor ( const QColor color)
overridevirtual

The fill color.

Reimplemented from QgsSymbolLayerV2.

Definition at line 825 of file qgslinesymbollayerv2.cpp.

◆ setDataDefinedProperty()

void QgsMarkerLineSymbolLayerV2::setDataDefinedProperty ( const QString property,
QgsDataDefined dataDefined 
)
overridevirtual

Sets a data defined property for the layer.

Parameters
propertyunique property key. Any existing data defined with the same key will be deleted and overridden.
dataDefineddata defined object to associate with property key. Ownership is transferred to the layer.
Note
added in QGIS 2.9
See also
getDataDefinedProperty
removeDataDefinedProperty

Reimplemented from QgsSymbolLayerV2.

Definition at line 1584 of file qgslinesymbollayerv2.cpp.

◆ setInterval()

void QgsMarkerLineSymbolLayerV2::setInterval ( double  interval)
inline

The interval between individual markers.

Definition at line 236 of file qgslinesymbollayerv2.h.

◆ setIntervalMapUnitScale()

void QgsMarkerLineSymbolLayerV2::setIntervalMapUnitScale ( const QgsMapUnitScale scale)
inline

Definition at line 300 of file qgslinesymbollayerv2.h.

◆ setIntervalUnit()

void QgsMarkerLineSymbolLayerV2::setIntervalUnit ( QgsSymbolV2::OutputUnit  unit)
inline

Definition at line 297 of file qgslinesymbollayerv2.h.

◆ setMapUnitScale()

void QgsMarkerLineSymbolLayerV2::setMapUnitScale ( const QgsMapUnitScale scale)
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Definition at line 1617 of file qgslinesymbollayerv2.cpp.

◆ setOffsetAlongLine()

void QgsMarkerLineSymbolLayerV2::setOffsetAlongLine ( double  offsetAlongLine)
inline

Sets the the offset along the line for the marker placement.

For Interval placements, this is the distance between the start of the line and the first marker. For FirstVertex and LastVertex placements, this is the distance between the marker and the start of the line or the end of the line respectively. This setting has no effect for Vertex or CentralPoint placements.

Parameters
offsetAlongLineDistance to offset markers along the line. The offset unit is set via setOffsetAlongLineUnit.
Note
added in 2.3
See also
offsetAlongLine
setOffsetAlongLineUnit
setPlacement

Definition at line 271 of file qgslinesymbollayerv2.h.

◆ setOffsetAlongLineMapUnitScale()

void QgsMarkerLineSymbolLayerV2::setOffsetAlongLineMapUnitScale ( const QgsMapUnitScale scale)
inline

Sets the map unit scale used for calculating the offset in map units along line for markers.

Parameters
scaleOffset along line map unit scale.

Definition at line 295 of file qgslinesymbollayerv2.h.

◆ setOffsetAlongLineUnit()

void QgsMarkerLineSymbolLayerV2::setOffsetAlongLineUnit ( QgsSymbolV2::OutputUnit  unit)
inline

Sets the unit used for calculating the offset along line for markers.

Parameters
unitOffset along line unit type.
See also
offsetAlongLineUnit
setOffsetAlongLine

Definition at line 285 of file qgslinesymbollayerv2.h.

◆ setOutputUnit()

void QgsMarkerLineSymbolLayerV2::setOutputUnit ( QgsSymbolV2::OutputUnit  unit)
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Definition at line 1598 of file qgslinesymbollayerv2.cpp.

◆ setPlacement()

void QgsMarkerLineSymbolLayerV2::setPlacement ( Placement  p)
inline

The placement of the markers.

Definition at line 246 of file qgslinesymbollayerv2.h.

◆ setRotateMarker()

void QgsMarkerLineSymbolLayerV2::setRotateMarker ( bool  rotate)
inline

Shall the marker be rotated.

Definition at line 226 of file qgslinesymbollayerv2.h.

◆ setSubSymbol()

bool QgsMarkerLineSymbolLayerV2::setSubSymbol ( QgsSymbolV2 symbol)
overridevirtual

set layer's subsymbol. takes ownership of the passed symbol

Reimplemented from QgsSymbolLayerV2.

Definition at line 1392 of file qgslinesymbollayerv2.cpp.

◆ setWidth()

void QgsMarkerLineSymbolLayerV2::setWidth ( double  width)
overridevirtual

Reimplemented from QgsLineSymbolLayerV2.

Definition at line 1579 of file qgslinesymbollayerv2.cpp.

◆ startRender()

void QgsMarkerLineSymbolLayerV2::startRender ( QgsSymbolV2RenderContext context)
overridevirtual

Implements QgsSymbolLayerV2.

Definition at line 836 of file qgslinesymbollayerv2.cpp.

◆ stopRender()

void QgsMarkerLineSymbolLayerV2::stopRender ( QgsSymbolV2RenderContext context)
overridevirtual

Implements QgsSymbolLayerV2.

Definition at line 854 of file qgslinesymbollayerv2.cpp.

◆ subSymbol()

QgsSymbolV2 * QgsMarkerLineSymbolLayerV2::subSymbol ( )
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Definition at line 1387 of file qgslinesymbollayerv2.cpp.

◆ toSld()

void QgsMarkerLineSymbolLayerV2::toSld ( QDomDocument doc,
QDomElement element,
const QgsStringMap props 
) const
overridevirtual

Writes the SLD element following the SLD v1.1 specs.

Reimplemented from QgsSymbolLayerV2.

Definition at line 1424 of file qgslinesymbollayerv2.cpp.

◆ usedAttributes()

QSet< QString > QgsMarkerLineSymbolLayerV2::usedAttributes ( ) const
overridevirtual

Returns the set of attributes referenced by the layer.

This includes attributes required by any data defined properties associated with the layer.

Reimplemented from QgsSymbolLayerV2.

Definition at line 1636 of file qgslinesymbollayerv2.cpp.

◆ width()

double QgsMarkerLineSymbolLayerV2::width ( ) const
overridevirtual

Reimplemented from QgsLineSymbolLayerV2.

Definition at line 1593 of file qgslinesymbollayerv2.cpp.

Member Data Documentation

◆ mInterval

double QgsMarkerLineSymbolLayerV2::mInterval
protected

Definition at line 322 of file qgslinesymbollayerv2.h.

◆ mIntervalMapUnitScale

QgsMapUnitScale QgsMarkerLineSymbolLayerV2::mIntervalMapUnitScale
protected

Definition at line 324 of file qgslinesymbollayerv2.h.

◆ mIntervalUnit

QgsSymbolV2::OutputUnit QgsMarkerLineSymbolLayerV2::mIntervalUnit
protected

Definition at line 323 of file qgslinesymbollayerv2.h.

◆ mMarker

QgsMarkerSymbolV2* QgsMarkerLineSymbolLayerV2::mMarker
protected

Definition at line 325 of file qgslinesymbollayerv2.h.

◆ mOffsetAlongLine

double QgsMarkerLineSymbolLayerV2::mOffsetAlongLine
protected

Definition at line 327 of file qgslinesymbollayerv2.h.

◆ mOffsetAlongLineMapUnitScale

QgsMapUnitScale QgsMarkerLineSymbolLayerV2::mOffsetAlongLineMapUnitScale
protected

Definition at line 329 of file qgslinesymbollayerv2.h.

◆ mOffsetAlongLineUnit

QgsSymbolV2::OutputUnit QgsMarkerLineSymbolLayerV2::mOffsetAlongLineUnit
protected

Definition at line 328 of file qgslinesymbollayerv2.h.

◆ mPlacement

Placement QgsMarkerLineSymbolLayerV2::mPlacement
protected

Definition at line 326 of file qgslinesymbollayerv2.h.

◆ mRotateMarker

bool QgsMarkerLineSymbolLayerV2::mRotateMarker
protected

Definition at line 321 of file qgslinesymbollayerv2.h.


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