QGIS API Documentation  2.17.0-Master (872e6d2)
Public Types | Public Member Functions | Protected Member Functions | Static Protected Member Functions | Protected Attributes | List of all members
QgsMarkerSymbolLayerV2 Class Referenceabstract

Abstract base class for marker symbol layers. More...

#include <qgssymbollayerv2.h>

Inheritance diagram for QgsMarkerSymbolLayerV2:
Inheritance graph
[legend]

Public Types

enum  HorizontalAnchorPoint { Left, HCenter, Right }
 Symbol horizontal anchor points. More...
 
enum  VerticalAnchorPoint { Top, VCenter, Bottom }
 Symbol vertical anchor points. More...
 

Public Member Functions

double angle () const
 Returns the rotation angle for the marker, in degrees clockwise from north. More...
 
virtual QRectF bounds (QPointF point, QgsSymbolV2RenderContext &context)
 Returns the approximate bounding box of the marker symbol layer, taking into account any data defined overrides and offsets which are set for the marker layer. More...
 
void drawPreviewIcon (QgsSymbolV2RenderContext &context, QSize size) override
 
HorizontalAnchorPoint horizontalAnchorPoint () const
 Returns the horizontal anchor point for positioning the symbol. More...
 
QgsMapUnitScale mapUnitScale () const override
 
QPointF offset () const
 Returns the marker's offset, which is the horizontal and vertical displacement which the rendered marker will have from the original feature's geometry. More...
 
const QgsMapUnitScaleoffsetMapUnitScale () const
 Returns the map unit scale for the symbol's offset. More...
 
QgsSymbolV2::OutputUnit offsetUnit () const
 Returns the units for the symbol's offset. More...
 
QgsSymbolV2::OutputUnit outputUnit () const override
 
virtual void renderPoint (QPointF point, QgsSymbolV2RenderContext &context)=0
 Renders a marker at the specified point. More...
 
QgsSymbolV2::ScaleMethod scaleMethod () const
 Returns the method to use for scaling the marker's size. More...
 
void setAngle (double angle)
 Sets the rotation angle for the marker. More...
 
void setHorizontalAnchorPoint (HorizontalAnchorPoint h)
 Sets the horizontal anchor point for positioning the symbol. More...
 
void setLineAngle (double lineAngle)
 Sets the line angle modification for the symbol's angle. More...
 
void setMapUnitScale (const QgsMapUnitScale &scale) override
 
void setOffset (QPointF offset)
 Sets the marker's offset, which is the horizontal and vertical displacement which the rendered marker should have from the original feature's geometry. More...
 
void setOffsetMapUnitScale (const QgsMapUnitScale &scale)
 Sets the map unit scale for the symbol's offset. More...
 
void setOffsetUnit (QgsSymbolV2::OutputUnit unit)
 Sets the units for the symbol's offset. More...
 
void setOutputUnit (QgsSymbolV2::OutputUnit unit) override
 
void setScaleMethod (QgsSymbolV2::ScaleMethod scaleMethod)
 Sets the method to use for scaling the marker's size. More...
 
void setSize (double size)
 Sets the symbol size. More...
 
void setSizeMapUnitScale (const QgsMapUnitScale &scale)
 Sets the map unit scale for the symbol's size. More...
 
void setSizeUnit (QgsSymbolV2::OutputUnit unit)
 Sets the units for the symbol's size. More...
 
void setVerticalAnchorPoint (VerticalAnchorPoint v)
 Sets the vertical anchor point for positioning the symbol. More...
 
double size () const
 Returns the symbol size. More...
 
const QgsMapUnitScalesizeMapUnitScale () const
 Returns the map unit scale for the symbol's size. More...
 
QgsSymbolV2::OutputUnit sizeUnit () const
 Returns the units for the symbol's size. More...
 
void startRender (QgsSymbolV2RenderContext &context) override
 
virtual void toSld (QDomDocument &doc, QDomElement &element, const QgsStringMap &props) const override
 
VerticalAnchorPoint verticalAnchorPoint () const
 Returns the vertical anchor point for positioning the symbol. More...
 
virtual void writeSldMarker (QDomDocument &doc, QDomElement &element, const QgsStringMap &props) const
 Writes the symbol layer definition as a SLD XML element. More...
 
- Public Member Functions inherited from QgsSymbolLayerV2
virtual ~QgsSymbolLayerV2 ()
 
virtual QgsSymbolLayerV2clone () const =0
 Shall be reimplemented by subclasses to create a deep copy of the instance. More...
 
virtual QColor color () const
 The fill color. More...
 
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 dxfWidth (const QgsDxfExport &e, QgsSymbolV2RenderContext &context) const
 get line width 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 layerType () const =0
 Returns a string that represents this layer type. More...
 
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 QgsStringMap properties () const =0
 Should be reimplemented by subclasses to return a string map that contains the configuration information for the symbol 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 void setColor (const QColor &color)
 The fill color. More...
 
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 bool setSubSymbol (QgsSymbolV2 *symbol)
 set layer's subsymbol. takes ownership of the passed symbol More...
 
virtual void stopRender (QgsSymbolV2RenderContext &context)=0
 
virtual QgsSymbolV2subSymbol ()
 
QgsSymbolV2::SymbolType type () const
 
virtual QSet< QStringusedAttributes () const
 Returns the set of attributes referenced by the layer. More...
 
virtual bool writeDxf (QgsDxfExport &e, double mmMapUnitScaleFactor, const QString &layerName, QgsSymbolV2RenderContext &context, QPointF shift=QPointF(0.0, 0.0)) const
 write as DXF More...
 

Protected Member Functions

 QgsMarkerSymbolLayerV2 (bool locked=false)
 Constructor for QgsMarkerSymbolLayerV2. More...
 
void markerOffset (QgsSymbolV2RenderContext &context, double &offsetX, double &offsetY) const
 Calculates the required marker offset, including both the symbol offset and any displacement required to align with the marker's anchor point. More...
 
void markerOffset (QgsSymbolV2RenderContext &context, double width, double height, double &offsetX, double &offsetY) const
 Calculates the required marker offset, including both the symbol offset and any displacement required to align with the marker's anchor point. More...
 
void markerOffset (QgsSymbolV2RenderContext &context, double width, double height, QgsSymbolV2::OutputUnit widthUnit, QgsSymbolV2::OutputUnit heightUnit, double &offsetX, double &offsetY, const QgsMapUnitScale &widthMapUnitScale, const QgsMapUnitScale &heightMapUnitScale) const
 
- 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...
 

Static Protected Member Functions

static QPointF _rotatedOffset (QPointF offset, double angle)
 Adjusts a marker offset to account for rotation. More...
 

Protected Attributes

double mAngle
 Marker rotation angle, in degrees clockwise from north. More...
 
HorizontalAnchorPoint mHorizontalAnchorPoint
 Horizontal anchor point. More...
 
double mLineAngle
 Line rotation angle (see setLineAngle() for details) More...
 
QPointF mOffset
 Marker offset. More...
 
QgsMapUnitScale mOffsetMapUnitScale
 Offset map unit scale. More...
 
QgsSymbolV2::OutputUnit mOffsetUnit
 Offset units. More...
 
QgsSymbolV2::ScaleMethod mScaleMethod
 Marker size scaling method. More...
 
double mSize
 Marker size. More...
 
QgsMapUnitScale mSizeMapUnitScale
 Marker size map unit scale. More...
 
QgsSymbolV2::OutputUnit mSizeUnit
 Marker size unit. More...
 
VerticalAnchorPoint mVerticalAnchorPoint
 Vertical anchor point. More...
 
- 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

Abstract base class for marker symbol layers.

Definition at line 409 of file qgssymbollayerv2.h.

Member Enumeration Documentation

Symbol horizontal anchor points.

Enumerator
Left 

Align to left side of symbol

HCenter 

Align to horizontal center of symbol

Right 

Align to right side of symbol

Definition at line 414 of file qgssymbollayerv2.h.

Symbol vertical anchor points.

Enumerator
Top 

Align to top of symbol

VCenter 

Align to vertical center of symbol

Bottom 

Align to bottom of symbol

Definition at line 422 of file qgssymbollayerv2.h.

Constructor & Destructor Documentation

QgsMarkerSymbolLayerV2::QgsMarkerSymbolLayerV2 ( bool  locked = false)
protected

Constructor for QgsMarkerSymbolLayerV2.

Parameters
lockedset to true to lock symbol color

Definition at line 489 of file qgssymbollayerv2.cpp.

Member Function Documentation

QPointF QgsMarkerSymbolLayerV2::_rotatedOffset ( QPointF  offset,
double  angle 
)
staticprotected

Adjusts a marker offset to account for rotation.

Parameters
offsetoffset prior to rotation
anglerotation angle in degrees clockwise from north
Returns
adjusted offset

Definition at line 597 of file qgssymbollayerv2.cpp.

double QgsMarkerSymbolLayerV2::angle ( ) const
inline

Returns the rotation angle for the marker, in degrees clockwise from north.

See also
setAngle()

Definition at line 450 of file qgssymbollayerv2.h.

virtual QRectF QgsMarkerSymbolLayerV2::bounds ( QPointF  point,
QgsSymbolV2RenderContext context 
)
inlinevirtual

Returns the approximate bounding box of the marker symbol layer, taking into account any data defined overrides and offsets which are set for the marker layer.

Returns
approximate symbol bounds, in painter units
Note
added in QGIS 2.14
this method will become pure virtual in QGIS 3.0

Reimplemented in QgsFontMarkerSymbolLayerV2, QgsSvgMarkerSymbolLayerV2, QgsSimpleMarkerSymbolLayerV2, QgsSimpleMarkerSymbolLayerBase, and QgsEllipseSymbolLayerV2.

Definition at line 617 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::drawPreviewIcon ( QgsSymbolV2RenderContext context,
QSize  size 
)
overridevirtual

Implements QgsSymbolLayerV2.

Reimplemented in QgsVectorFieldSymbolLayer.

Definition at line 523 of file qgssymbollayerv2.cpp.

HorizontalAnchorPoint QgsMarkerSymbolLayerV2::horizontalAnchorPoint ( ) const
inline

Returns the horizontal anchor point for positioning the symbol.

The symbol will be drawn so that the horizontal anchor point is aligned with the marker's desired location.

See also
setHorizontalAnchorPoint()
verticalAnchorPoint()

Definition at line 578 of file qgssymbollayerv2.h.

QgsMapUnitScale QgsMarkerSymbolLayerV2::mapUnitScale ( ) const
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Reimplemented in QgsVectorFieldSymbolLayer.

Definition at line 657 of file qgssymbollayerv2.cpp.

void QgsMarkerSymbolLayerV2::markerOffset ( QgsSymbolV2RenderContext context,
double &  offsetX,
double &  offsetY 
) const
protected

Calculates the required marker offset, including both the symbol offset and any displacement required to align with the marker's anchor point.

Parameters
contextsymbol render context
offsetXwill be set to required horizontal offset (in painter units)
offsetYwill be set to required vertical offset (in painter units)

Definition at line 530 of file qgssymbollayerv2.cpp.

void QgsMarkerSymbolLayerV2::markerOffset ( QgsSymbolV2RenderContext context,
double  width,
double  height,
double &  offsetX,
double &  offsetY 
) const
protected

Calculates the required marker offset, including both the symbol offset and any displacement required to align with the marker's anchor point.

Parameters
contextsymbol render context
widthmarker width
heightmarker height
offsetXwill be set to required horizontal offset (in painter units)
offsetYwill be set to required vertical offset (in painter units)
Note
available in python as markerOffsetWithWidthAndHeight

Definition at line 535 of file qgssymbollayerv2.cpp.

void QgsMarkerSymbolLayerV2::markerOffset ( QgsSymbolV2RenderContext context,
double  width,
double  height,
QgsSymbolV2::OutputUnit  widthUnit,
QgsSymbolV2::OutputUnit  heightUnit,
double &  offsetX,
double &  offsetY,
const QgsMapUnitScale widthMapUnitScale,
const QgsMapUnitScale heightMapUnitScale 
) const
protected
Note
available in python bindings as markerOffset2

Definition at line 540 of file qgssymbollayerv2.cpp.

QPointF QgsMarkerSymbolLayerV2::offset ( ) const
inline

Returns the marker's offset, which is the horizontal and vertical displacement which the rendered marker will have from the original feature's geometry.

Units are specified by offsetUnit().

See also
setOffset()
offsetUnit()
offsetMapUnitScale()

Definition at line 533 of file qgssymbollayerv2.h.

const QgsMapUnitScale& QgsMarkerSymbolLayerV2::offsetMapUnitScale ( ) const
inline

Returns the map unit scale for the symbol's offset.

See also
setOffsetMapUnitScale()
offset()
offsetUnit()

Definition at line 563 of file qgssymbollayerv2.h.

QgsSymbolV2::OutputUnit QgsMarkerSymbolLayerV2::offsetUnit ( ) const
inline

Returns the units for the symbol's offset.

See also
setOffsetUnit()
offset()
offsetMapUnitScale()

Definition at line 548 of file qgssymbollayerv2.h.

QgsSymbolV2::OutputUnit QgsMarkerSymbolLayerV2::outputUnit ( ) const
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Reimplemented in QgsVectorFieldSymbolLayer.

Definition at line 642 of file qgssymbollayerv2.cpp.

virtual void QgsMarkerSymbolLayerV2::renderPoint ( QPointF  point,
QgsSymbolV2RenderContext context 
)
pure virtual

Renders a marker at the specified point.

Derived classes must implement this to handle drawing the point.

Parameters
pointposition at which to render point, in painter units
contextsymbol render context

Implemented in QgsFontMarkerSymbolLayerV2, QgsSvgMarkerSymbolLayerV2, QgsSimpleMarkerSymbolLayerV2, QgsSimpleMarkerSymbolLayerBase, QgsVectorFieldSymbolLayer, and QgsEllipseSymbolLayerV2.

QgsSymbolV2::ScaleMethod QgsMarkerSymbolLayerV2::scaleMethod ( ) const
inline

Returns the method to use for scaling the marker's size.

See also
setScaleMethod()

Definition at line 516 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setAngle ( double  angle)
inline

Sets the rotation angle for the marker.

Parameters
angleangle in degrees clockwise from north.
See also
angle()
setLineAngle()

Definition at line 445 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setHorizontalAnchorPoint ( HorizontalAnchorPoint  h)
inline

Sets the horizontal anchor point for positioning the symbol.

Parameters
hanchor point. Symbol will be drawn so that the horizontal anchor point is aligned with the marker's desired location.
See also
horizontalAnchorPoint()
setVerticalAnchorPoint()

Definition at line 571 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setLineAngle ( double  lineAngle)
inline

Sets the line angle modification for the symbol's angle.

This angle is added to the marker's rotation and data defined rotation before rendering the symbol, and is usually used for orienting symbols to match a line's angle.

Parameters
lineAngleAngle in degrees clockwise from north, valid values are between 0 and 360
Note
added in QGIS 2.9
See also
setAngle()
angle()

Definition at line 460 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setMapUnitScale ( const QgsMapUnitScale scale)
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Reimplemented in QgsVectorFieldSymbolLayer.

Definition at line 651 of file qgssymbollayerv2.cpp.

void QgsMarkerSymbolLayerV2::setOffset ( QPointF  offset)
inline

Sets the marker's offset, which is the horizontal and vertical displacement which the rendered marker should have from the original feature's geometry.

Parameters
offsetmarker offset. Units are specified by offsetUnit()
See also
offset()
setOffsetUnit()
setOffsetMapUnitScale()

Definition at line 525 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setOffsetMapUnitScale ( const QgsMapUnitScale scale)
inline

Sets the map unit scale for the symbol's offset.

Parameters
scaleoffset map unit scale
See also
offsetMapUnitScale()
setOffset()
setOffsetUnit()

Definition at line 556 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setOffsetUnit ( QgsSymbolV2::OutputUnit  unit)
inline

Sets the units for the symbol's offset.

Parameters
unitoffset units
See also
offsetUnit()
setOffset()
setOffsetMapUnitScale()

Definition at line 541 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setOutputUnit ( QgsSymbolV2::OutputUnit  unit)
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Reimplemented in QgsVectorFieldSymbolLayer.

Definition at line 636 of file qgssymbollayerv2.cpp.

void QgsMarkerSymbolLayerV2::setScaleMethod ( QgsSymbolV2::ScaleMethod  scaleMethod)
inline

Sets the method to use for scaling the marker's size.

Parameters
scaleMethodscale method
See also
scaleMethod()

Definition at line 511 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setSize ( double  size)
inline

Sets the symbol size.

Parameters
sizesymbol size. Units are specified by sizeUnit().
See also
size()
setSizeUnit()
setSizeMapUnitScale()

Definition at line 468 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setSizeMapUnitScale ( const QgsMapUnitScale scale)
inline

Sets the map unit scale for the symbol's size.

Parameters
scalesize map unit scale
See also
sizeMapUnitScale()
setSize()
setSizeUnit()

Definition at line 498 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setSizeUnit ( QgsSymbolV2::OutputUnit  unit)
inline

Sets the units for the symbol's size.

Parameters
unitsize units
See also
sizeUnit()
setSize()
setSizeMapUnitScale()

Definition at line 483 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::setVerticalAnchorPoint ( VerticalAnchorPoint  v)
inline

Sets the vertical anchor point for positioning the symbol.

Parameters
vanchor point. Symbol will be drawn so that the vertical anchor point is aligned with the marker's desired location.
See also
verticalAnchorPoint()
setHorizontalAnchorPoint()

Definition at line 586 of file qgssymbollayerv2.h.

double QgsMarkerSymbolLayerV2::size ( ) const
inline

Returns the symbol size.

Units are specified by sizeUnit().

See also
setSize()
sizeUnit()
sizeUnitMapScale()

Definition at line 475 of file qgssymbollayerv2.h.

const QgsMapUnitScale& QgsMarkerSymbolLayerV2::sizeMapUnitScale ( ) const
inline

Returns the map unit scale for the symbol's size.

See also
setSizeMapUnitScale()
size()
sizeUnit()

Definition at line 505 of file qgssymbollayerv2.h.

QgsSymbolV2::OutputUnit QgsMarkerSymbolLayerV2::sizeUnit ( ) const
inline

Returns the units for the symbol's size.

See also
setSizeUnit()
size()
sizeMapUnitScale()

Definition at line 490 of file qgssymbollayerv2.h.

void QgsMarkerSymbolLayerV2::startRender ( QgsSymbolV2RenderContext context)
overridevirtual

Implements QgsSymbolLayerV2.

Reimplemented in QgsVectorFieldSymbolLayer.

Definition at line 518 of file qgssymbollayerv2.cpp.

void QgsMarkerSymbolLayerV2::toSld ( QDomDocument doc,
QDomElement element,
const QgsStringMap props 
) const
overridevirtual

Reimplemented from QgsSymbolLayerV2.

Reimplemented in QgsVectorFieldSymbolLayer, and QgsEllipseSymbolLayerV2.

Definition at line 771 of file qgssymbollayerv2.cpp.

VerticalAnchorPoint QgsMarkerSymbolLayerV2::verticalAnchorPoint ( ) const
inline

Returns the vertical anchor point for positioning the symbol.

The symbol will be drawn so that the vertical anchor point is aligned with the marker's desired location.

See also
setVerticalAnchorPoint()
horizontalAnchorPoint()

Definition at line 593 of file qgssymbollayerv2.h.

virtual void QgsMarkerSymbolLayerV2::writeSldMarker ( QDomDocument doc,
QDomElement element,
const QgsStringMap props 
) const
inlinevirtual

Writes the symbol layer definition as a SLD XML element.

Parameters
docXML document
elementparent XML element
propssymbol layer definition (see properties())

Reimplemented in QgsFontMarkerSymbolLayerV2, QgsSvgMarkerSymbolLayerV2, QgsSimpleMarkerSymbolLayerV2, and QgsEllipseSymbolLayerV2.

Definition at line 602 of file qgssymbollayerv2.h.

Member Data Documentation

double QgsMarkerSymbolLayerV2::mAngle
protected

Marker rotation angle, in degrees clockwise from north.

Definition at line 659 of file qgssymbollayerv2.h.

HorizontalAnchorPoint QgsMarkerSymbolLayerV2::mHorizontalAnchorPoint
protected

Horizontal anchor point.

Definition at line 677 of file qgssymbollayerv2.h.

double QgsMarkerSymbolLayerV2::mLineAngle
protected

Line rotation angle (see setLineAngle() for details)

Definition at line 661 of file qgssymbollayerv2.h.

QPointF QgsMarkerSymbolLayerV2::mOffset
protected

Marker offset.

Definition at line 669 of file qgssymbollayerv2.h.

QgsMapUnitScale QgsMarkerSymbolLayerV2::mOffsetMapUnitScale
protected

Offset map unit scale.

Definition at line 673 of file qgssymbollayerv2.h.

QgsSymbolV2::OutputUnit QgsMarkerSymbolLayerV2::mOffsetUnit
protected

Offset units.

Definition at line 671 of file qgssymbollayerv2.h.

QgsSymbolV2::ScaleMethod QgsMarkerSymbolLayerV2::mScaleMethod
protected

Marker size scaling method.

Definition at line 675 of file qgssymbollayerv2.h.

double QgsMarkerSymbolLayerV2::mSize
protected

Marker size.

Definition at line 663 of file qgssymbollayerv2.h.

QgsMapUnitScale QgsMarkerSymbolLayerV2::mSizeMapUnitScale
protected

Marker size map unit scale.

Definition at line 667 of file qgssymbollayerv2.h.

QgsSymbolV2::OutputUnit QgsMarkerSymbolLayerV2::mSizeUnit
protected

Marker size unit.

Definition at line 665 of file qgssymbollayerv2.h.

VerticalAnchorPoint QgsMarkerSymbolLayerV2::mVerticalAnchorPoint
protected

Vertical anchor point.

Definition at line 679 of file qgssymbollayerv2.h.


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