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

#include <qgsmarkersymbollayerv2.h>

Inheritance diagram for QgsSimpleMarkerSymbolLayerBase:

[legend]

Public Types
enum	Shape { Square, Diamond, Pentagon, Hexagon, Triangle, EquilateralTriangle, Star, Arrow, Circle, Cross, CrossFill, Cross2, Line, ArrowHead, ArrowHeadFilled, SemiCircle, ThirdCircle, QuarterCircle, QuarterSquare, HalfSquare, DiagonalHalfSquare, RightHalfTriangle, LeftHalfTriangle }
	Marker symbol shapes. More...

Public Types inherited from QgsMarkerSymbolLayerV2
enum	HorizontalAnchorPoint { Left, HCenter, Right }
	Symbol horizontal anchor points. More...

enum	VerticalAnchorPoint { Top, VCenter, Bottom }
	Symbol vertical anchor points. More...

Public Member Functions
	QgsSimpleMarkerSymbolLayerBase (Shape shape=Circle, double size=DEFAULT_SIMPLEMARKER_SIZE, double angle=DEFAULT_SIMPLEMARKER_ANGLE, QgsSymbolV2::ScaleMethod scaleMethod=DEFAULT_SCALE_METHOD)
	Constructor for QgsSimpleMarkerSymbolLayerBase. More...

QRectF	bounds (QPointF point, QgsSymbolV2RenderContext &context) override
	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	renderPoint (QPointF point, QgsSymbolV2RenderContext &context) override
	Renders a marker at the specified point. More...

void	setShape (Shape shape)
	Sets the rendered marker shape. More...

Shape	shape () const
	Returns the shape for the rendered marker symbol. More...

void	startRender (QgsSymbolV2RenderContext &context) override

void	stopRender (QgsSymbolV2RenderContext &context) override

Public Member Functions inherited from QgsMarkerSymbolLayerV2
double	angle () const
	Returns the rotation angle for the marker, in degrees clockwise from north. 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 QgsMapUnitScale &	offsetMapUnitScale () 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

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 QgsMapUnitScale &	sizeMapUnitScale () 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
	Writes the SLD element following the SLD v1.1 specs. More...

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 QgsSymbolLayerV2 *	clone () 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 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	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 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	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...

QgsPaintEffect *	paintEffect () 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 QgsSymbolV2 *	subSymbol ()

QgsSymbolV2::SymbolType	type () const

virtual QSet< QString >	usedAttributes () 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...

Static Public Member Functions
static QList< Shape >	availableShapes ()
	Returns a list of all available shape types. More...

static Shape	decodeShape (const QString &name, bool *ok=nullptr)
	Attempts to decode a string representation of a shape name to the corresponding shape. More...

static QString	encodeShape (Shape shape)
	Encodes a shape to its string representation. More...

static bool	shapeIsFilled (Shape shape)
	Returns true if a symbol shape has a fill. More...

Protected Member Functions
void	calculateOffsetAndRotation (QgsSymbolV2RenderContext &context, double scaledSize, bool &hasDataDefinedRotation, QPointF &offset, double &angle) const
	Calculates the marker offset and rotation. More...

double	calculateSize (QgsSymbolV2RenderContext &context, bool &hasDataDefinedSize) const
	Calculates the desired size of the marker, considering data defined size overrides. More...

bool	prepareMarkerPath (Shape symbol)
	Prepares the layer for drawing the specified shape (QPainterPath version) More...

bool	prepareMarkerShape (Shape shape)
	Prepares the layer for drawing the specified shape (QPolygonF version) More...

bool	shapeToPolygon (Shape shape, QPolygonF &polygon) const
	Creates a polygon representing the specified shape. More...

Protected Member Functions inherited from QgsMarkerSymbolLayerV2
	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 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
QPainterPath	mPath
	Painter path representing shape. If mPolygon is empty then the shape is stored in mPath. More...

QPolygonF	mPolygon
	Polygon of points in shape. If polygon is empty then shape is using mPath. More...

Shape	mShape
	Symbol shape. More...

Protected Attributes inherited from QgsMarkerSymbolLayerV2
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

QgsPaintEffect *	mPaintEffect

int	mRenderingPass

QgsSymbolV2::SymbolType	mType

Additional Inherited Members
Static Protected Member Functions inherited from QgsMarkerSymbolLayerV2
static QPointF	_rotatedOffset (QPointF offset, double angle)
	Adjusts a marker offset to account for rotation. More...

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 simple marker symbol layers.

Handles creation of the symbol shapes but leaves the actual drawing of the symbols to subclasses.

Note: Added in version 2.16

Definition at line 41 of file qgsmarkersymbollayerv2.h.

Member Enumeration Documentation

◆ Shape

enum QgsSimpleMarkerSymbolLayerBase::Shape

Marker symbol shapes.

Enumerator
Square	Square
Diamond	Diamond
Pentagon	Pentagon
Hexagon	Hexagon
Triangle	Triangle
EquilateralTriangle	Equilateral triangle
Star	Star
Arrow	Arrow
Circle	Circle
Cross	Cross (lines only)
CrossFill	Solid filled cross
Cross2	Rotated cross (lines only), "x" shape
Line	Vertical line
ArrowHead	Right facing arrow head (unfilled, lines only)
ArrowHeadFilled	Right facing filled arrow head
SemiCircle	Semi circle (top half)
ThirdCircle	One third circle (top left third)
QuarterCircle	Quarter circle (top left quarter)
QuarterSquare	Quarter square (top left quarter)
HalfSquare	Half square (left half)
DiagonalHalfSquare	Diagonal half square (bottom left half)
RightHalfTriangle	Right half of triangle
LeftHalfTriangle	Left half of triangle

Definition at line 46 of file qgsmarkersymbollayerv2.h.

Constructor & Destructor Documentation

◆ QgsSimpleMarkerSymbolLayerBase()

QgsSimpleMarkerSymbolLayerBase::QgsSimpleMarkerSymbolLayerBase	(	QgsSimpleMarkerSymbolLayerBase::Shape	shape = `Circle`,
		double	size = `DEFAULT_SIMPLEMARKER_SIZE`,
		double	angle = `DEFAULT_SIMPLEMARKER_ANGLE`,
		QgsSymbolV2::ScaleMethod	scaleMethod = `DEFAULT_SCALE_METHOD`
	)

Constructor for QgsSimpleMarkerSymbolLayerBase.

Parameters

shape	symbol shape for markers
size	symbol size (in mm)
angle	symbol rotation angle
scaleMethod	scaling method for data defined scaling

Definition at line 86 of file qgsmarkersymbollayerv2.cpp.

Member Function Documentation

◆ availableShapes()

QList< QgsSimpleMarkerSymbolLayerBase::Shape > QgsSimpleMarkerSymbolLayerBase::availableShapes ( )

static

Returns a list of all available shape types.

Definition at line 57 of file qgsmarkersymbollayerv2.cpp.

◆ bounds()

QRectF QgsSimpleMarkerSymbolLayerBase::bounds	(	QPointF	point,
		QgsSymbolV2RenderContext &	context
	)

overridevirtual

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 from QgsMarkerSymbolLayerV2.

Reimplemented in QgsSimpleMarkerSymbolLayerV2.

Definition at line 251 of file qgsmarkersymbollayerv2.cpp.

◆ calculateOffsetAndRotation()

void QgsSimpleMarkerSymbolLayerBase::calculateOffsetAndRotation	(	QgsSymbolV2RenderContext &	context,
		double	scaledSize,
		bool &	hasDataDefinedRotation,
		QPointF &	offset,
		double &	angle
	)		const

protected

Calculates the marker offset and rotation.

Parameters

context	symbol render context
scaledSize	size of symbol to render
hasDataDefinedRotation	will be set to true if marker has data defined rotation
offset	will be set to calculated marker offset (in painter units)
angle	will be set to calculated marker angle

Note: not available in Python bindings

Definition at line 638 of file qgsmarkersymbollayerv2.cpp.

◆ calculateSize()

double QgsSimpleMarkerSymbolLayerBase::calculateSize	(	QgsSymbolV2RenderContext &	context,
		bool &	hasDataDefinedSize
	)		const

protected

Calculates the desired size of the marker, considering data defined size overrides.

Parameters

context	symbol render context
hasDataDefinedSize	will be set to true if marker uses data defined sizes

Returns: marker size, in original size units

Note: not available in Python bindings

Definition at line 611 of file qgsmarkersymbollayerv2.cpp.

◆ decodeShape()

QgsSimpleMarkerSymbolLayerBase::Shape QgsSimpleMarkerSymbolLayerBase::decodeShape	(	const QString &	name,
		bool *	ok = `nullptr`
	)

static

Attempts to decode a string representation of a shape name to the corresponding shape.

Parameters

name	encoded shape name
ok	if specified, will be set to true if shape was successfully decoded

Returns: decoded name

See also: encodeShape()

Definition at line 277 of file qgsmarkersymbollayerv2.cpp.

◆ encodeShape()

QString QgsSimpleMarkerSymbolLayerBase::encodeShape ( QgsSimpleMarkerSymbolLayerBase::Shape shape )

static

Encodes a shape to its string representation.

Parameters

shape shape to encode

Returns: encoded string

See also: decodeShape()

Definition at line 335 of file qgsmarkersymbollayerv2.cpp.

◆ prepareMarkerPath()

bool QgsSimpleMarkerSymbolLayerBase::prepareMarkerPath ( QgsSimpleMarkerSymbolLayerBase::Shape symbol )

protected

Prepares the layer for drawing the specified shape (QPainterPath version)

Note: not available in Python bindings

Definition at line 540 of file qgsmarkersymbollayerv2.cpp.

◆ prepareMarkerShape()

bool QgsSimpleMarkerSymbolLayerBase::prepareMarkerShape ( QgsSimpleMarkerSymbolLayerBase::Shape shape )

protected

Prepares the layer for drawing the specified shape (QPolygonF version)

Note: not available in Python bindings

Definition at line 389 of file qgsmarkersymbollayerv2.cpp.

◆ renderPoint()

void QgsSimpleMarkerSymbolLayerBase::renderPoint	(	QPointF	point,
		QgsSymbolV2RenderContext &	context
	)

overridevirtual

Renders a marker at the specified point.

Derived classes must implement this to handle drawing the point.

Parameters

point	position at which to render point, in painter units
context	symbol render context

Implements QgsMarkerSymbolLayerV2.

Reimplemented in QgsSimpleMarkerSymbolLayerV2.

Definition at line 173 of file qgsmarkersymbollayerv2.cpp.

◆ setShape()

void QgsSimpleMarkerSymbolLayerBase::setShape ( Shape shape )

inline

Sets the rendered marker shape.

Parameters

shape new marker shape

See also: shape()

Definition at line 102 of file qgsmarkersymbollayerv2.h.

◆ shape()

Shape QgsSimpleMarkerSymbolLayerBase::shape ( ) const

inline

Returns the shape for the rendered marker symbol.

See also: setShape()

Definition at line 96 of file qgsmarkersymbollayerv2.h.

◆ shapeIsFilled()

bool QgsSimpleMarkerSymbolLayerBase::shapeIsFilled ( QgsSimpleMarkerSymbolLayerBase::Shape shape )

static

Returns true if a symbol shape has a fill.

Parameters

shape shape to test

Returns: true if shape uses a fill, or false if shape uses lines only

Definition at line 97 of file qgsmarkersymbollayerv2.cpp.

◆ shapeToPolygon()

bool QgsSimpleMarkerSymbolLayerBase::shapeToPolygon	(	QgsSimpleMarkerSymbolLayerBase::Shape	shape,
		QPolygonF &	polygon
	)		const

protected

Creates a polygon representing the specified shape.

Parameters

shape	shape to create
polygon	destination polygon for shape

Returns: true if shape was successfully stored in polygon

Note: not available in Python bindings

Definition at line 394 of file qgsmarkersymbollayerv2.cpp.

◆ startRender()

void QgsSimpleMarkerSymbolLayerBase::startRender ( QgsSymbolV2RenderContext & context )

overridevirtual

Implements QgsSymbolLayerV2.

Reimplemented in QgsFilledMarkerSymbolLayer, and QgsSimpleMarkerSymbolLayerV2.

Definition at line 131 of file qgsmarkersymbollayerv2.cpp.

◆ stopRender()

void QgsSimpleMarkerSymbolLayerBase::stopRender ( QgsSymbolV2RenderContext & context )

overridevirtual

Implements QgsSymbolLayerV2.

Reimplemented in QgsFilledMarkerSymbolLayer.

Definition at line 168 of file qgsmarkersymbollayerv2.cpp.

Member Data Documentation

◆ mPath

QPainterPath QgsSimpleMarkerSymbolLayerBase::mPath

protected

Painter path representing shape. If mPolygon is empty then the shape is stored in mPath.

Definition at line 165 of file qgsmarkersymbollayerv2.h.

◆ mPolygon

QPolygonF QgsSimpleMarkerSymbolLayerBase::mPolygon

protected

Polygon of points in shape. If polygon is empty then shape is using mPath.

Definition at line 162 of file qgsmarkersymbollayerv2.h.

◆ mShape

Shape QgsSimpleMarkerSymbolLayerBase::mShape

protected

Symbol shape.

Definition at line 168 of file qgsmarkersymbollayerv2.h.

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

/tmp/buildd/qgis-2.18.21+99unstable/src/core/symbology-ng/qgsmarkersymbollayerv2.h
/tmp/buildd/qgis-2.18.21+99unstable/src/core/symbology-ng/qgsmarkersymbollayerv2.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ Shape

Constructor & Destructor Documentation

◆ QgsSimpleMarkerSymbolLayerBase()

Member Function Documentation

◆ availableShapes()

◆ bounds()

◆ calculateOffsetAndRotation()

◆ calculateSize()

◆ decodeShape()

◆ encodeShape()

◆ prepareMarkerPath()

◆ prepareMarkerShape()

◆ renderPoint()

◆ setShape()

◆ shape()

◆ shapeIsFilled()

◆ shapeToPolygon()

◆ startRender()

◆ stopRender()

Member Data Documentation

◆ mPath

◆ mPolygon

◆ mShape