QGIS API Documentation  2.18.3-Las Palmas (77b8c3d)
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
QgsSimpleMarkerSymbolLayerBase Class Referenceabstract

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

#include <qgsmarkersymbollayerv2.h>

Inheritance diagram for QgsSimpleMarkerSymbolLayerBase:
Inheritance graph
[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 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
 
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
 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 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 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...
 

Static Public Member Functions

static QList< ShapeavailableShapes ()
 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 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

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
 
QgsPaintEffectmPaintEffect
 
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

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

Constructor for QgsSimpleMarkerSymbolLayerBase.

Parameters
shapesymbol shape for markers
sizesymbol size (in mm)
anglesymbol rotation angle
scaleMethodscaling method for data defined scaling

Definition at line 86 of file qgsmarkersymbollayerv2.cpp.

Member Function Documentation

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

Returns a list of all available shape types.

Definition at line 57 of file qgsmarkersymbollayerv2.cpp.

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.

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

Calculates the marker offset and rotation.

Parameters
contextsymbol render context
scaledSizesize of symbol to render
hasDataDefinedRotationwill be set to true if marker has data defined rotation
offsetwill be set to calculated marker offset (in painter units)
anglewill be set to calculated marker angle
Note
not available in Python bindings

Definition at line 638 of file qgsmarkersymbollayerv2.cpp.

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

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

Parameters
contextsymbol render context
hasDataDefinedSizewill 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.

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
nameencoded shape name
okif 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.

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

Encodes a shape to its string representation.

Parameters
shapeshape to encode
Returns
encoded string
See also
decodeShape()

Definition at line 335 of file qgsmarkersymbollayerv2.cpp.

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.

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.

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

Implements QgsMarkerSymbolLayerV2.

Reimplemented in QgsSimpleMarkerSymbolLayerV2.

Definition at line 173 of file qgsmarkersymbollayerv2.cpp.

void QgsSimpleMarkerSymbolLayerBase::setShape ( Shape  shape)
inline

Sets the rendered marker shape.

Parameters
shapenew marker shape
See also
shape()

Definition at line 102 of file qgsmarkersymbollayerv2.h.

Shape QgsSimpleMarkerSymbolLayerBase::shape ( ) const
inline

Returns the shape for the rendered marker symbol.

See also
setShape()

Definition at line 96 of file qgsmarkersymbollayerv2.h.

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

Returns true if a symbol shape has a fill.

Parameters
shapeshape to test
Returns
true if shape uses a fill, or false if shape uses lines only

Definition at line 97 of file qgsmarkersymbollayerv2.cpp.

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

Creates a polygon representing the specified shape.

Parameters
shapeshape to create
polygondestination 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.

void QgsSimpleMarkerSymbolLayerBase::startRender ( QgsSymbolV2RenderContext context)
overridevirtual

Implements QgsSymbolLayerV2.

Reimplemented in QgsFilledMarkerSymbolLayer, and QgsSimpleMarkerSymbolLayerV2.

Definition at line 131 of file qgsmarkersymbollayerv2.cpp.

void QgsSimpleMarkerSymbolLayerBase::stopRender ( QgsSymbolV2RenderContext context)
overridevirtual

Implements QgsSymbolLayerV2.

Reimplemented in QgsFilledMarkerSymbolLayer.

Definition at line 168 of file qgsmarkersymbollayerv2.cpp.

Member Data Documentation

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.

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.

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: