A class for filling symbols with a repeated raster image. More...

#include <qgsfillsymbollayer.h>

Inheritance diagram for QgsRasterFillSymbolLayer:

Public Types
enum	FillCoordinateMode { Feature, Viewport }
	Fill coordinate modes, dictates fill tiling behavior. More...

Public Types inherited from QgsSymbolLayer
enum	Property { PropertySize = 0, PropertyAngle, PropertyName, PropertyFillColor, PropertyStrokeColor, PropertyStrokeWidth, PropertyStrokeStyle, PropertyOffset, PropertyCharacter, PropertyWidth, PropertyHeight, PropertyPreserveAspectRatio, PropertyFillStyle, PropertyJoinStyle, PropertySecondaryColor, PropertyLineAngle, PropertyLineDistance, PropertyGradientType, PropertyCoordinateMode, PropertyGradientSpread, PropertyGradientReference1X, PropertyGradientReference1Y, PropertyGradientReference2X, PropertyGradientReference2Y, PropertyGradientReference1IsCentroid, PropertyGradientReference2IsCentroid, PropertyBlurRadius, PropertyShapeburstUseWholeShape, PropertyShapeburstMaxDistance, PropertyShapeburstIgnoreRings, PropertyFile, PropertyDistanceX, PropertyDistanceY, PropertyDisplacementX, PropertyDisplacementY, PropertyOpacity, PropertyCustomDash, PropertyCapStyle, PropertyPlacement, PropertyInterval, PropertyOffsetAlongLine, PropertyHorizontalAnchor, PropertyVerticalAnchor, PropertyLayerEnabled, PropertyArrowWidth, PropertyArrowStartWidth, PropertyArrowHeadLength, PropertyArrowHeadThickness, PropertyArrowHeadType, PropertyArrowType }
	Data definable properties. More...

Public Member Functions
	QgsRasterFillSymbolLayer (const QString &imageFilePath=QString())
	Constructor for QgsRasterFillSymbolLayer, using a raster fill from the specified imageFilePath. More...

QgsRasterFillSymbolLayer *	clone () const override
	Shall be reimplemented by subclasses to create a deep copy of the instance. More...

FillCoordinateMode	coordinateMode () const
	Coordinate mode for fill. More...

double	estimateMaxBleed (const QgsRenderContext &context) const override
	Returns the estimated maximum distance which the layer style will bleed outside the drawn shape when drawn in the specified /a context. More...

QString	imageFilePath () const
	The path to the raster image used for the fill. More...

QString	layerType () const override
	Returns a string that represents this layer type. More...

QPointF	offset () const
	Returns the offset for the fill. More...

const QgsMapUnitScale &	offsetMapUnitScale () const
	Returns the map unit scale for the fill's offset. More...

QgsUnitTypes::RenderUnit	offsetUnit () const
	Returns the units for the fill's offset. More...

double	opacity () const
	Returns the opacity for the raster image used in the fill. 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	renderPolygon (const QPolygonF &points, QList< QPolygonF > *rings, QgsSymbolRenderContext &context) override

void	setCoordinateMode (FillCoordinateMode mode)
	Set the coordinate mode for fill. More...

void	setImageFilePath (const QString &imagePath)
	Sets the path to the raster image used for the fill. More...

void	setOffset (QPointF offset)
	Sets the offset for the fill. More...

void	setOffsetMapUnitScale (const QgsMapUnitScale &scale)
	Sets the map unit scale for the fill's offset. More...

void	setOffsetUnit (const QgsUnitTypes::RenderUnit unit)
	Sets the units for the fill's offset. More...

void	setOpacity (double opacity)
	Sets the opacity for the raster image used in the fill. More...

bool	setSubSymbol (QgsSymbol *symbol) override
	Sets layer's subsymbol. takes ownership of the passed symbol. More...

void	setWidth (const double width)
	Sets the width for scaling the image used in the fill. More...

void	setWidthMapUnitScale (const QgsMapUnitScale &scale)
	Sets the map unit scale for the image's width. More...

void	setWidthUnit (const QgsUnitTypes::RenderUnit unit)
	Sets the units for the image's width. More...

void	startRender (QgsSymbolRenderContext &context) override

void	stopRender (QgsSymbolRenderContext &context) override

QgsSymbol *	subSymbol () override
	Returns the symbol's sub symbol, if present. More...

double	width () const
	Returns the width used for scaling the image used in the fill. More...

const QgsMapUnitScale &	widthMapUnitScale () const
	Returns the map unit scale for the image's width. More...

QgsUnitTypes::RenderUnit	widthUnit () const
	Returns the units for the image's width. More...

Public Member Functions inherited from QgsImageFillSymbolLayer
	QgsImageFillSymbolLayer ()

QColor	dxfColor (QgsSymbolRenderContext &context) const override
	Gets color. More...

Qt::PenStyle	dxfPenStyle () const override
	Gets pen style. More...

double	dxfWidth (const QgsDxfExport &e, QgsSymbolRenderContext &context) const override
	Gets line width. More...

bool	hasDataDefinedProperties () const override
	Returns true if the symbol layer (or any of its sub-symbols) contains data defined properties. More...

QgsMapUnitScale	mapUnitScale () const override

QgsUnitTypes::RenderUnit	outputUnit () const override
	Returns the units to use for sizes and widths within the symbol layer. More...

void	setMapUnitScale (const QgsMapUnitScale &scale) override

void	setOutputUnit (QgsUnitTypes::RenderUnit unit) override
	Sets the units to use for sizes and widths within the symbol layer. More...

void	setStrokeWidthMapUnitScale (const QgsMapUnitScale &scale)
	Sets the stroke width map unit scale. More...

void	setStrokeWidthUnit (QgsUnitTypes::RenderUnit unit)
	Sets the units fo the symbol's stroke width. More...

const QgsMapUnitScale &	strokeWidthMapUnitScale () const
	Returns the stroke width map unit scale. More...

QgsUnitTypes::RenderUnit	strokeWidthUnit () const
	Returns the units for the symbol's stroke width. More...

QSet< QString >	usedAttributes (const QgsRenderContext &context) const override
	Returns the set of attributes referenced by the layer. More...

Public Member Functions inherited from QgsFillSymbolLayer
double	angle () const

void	drawPreviewIcon (QgsSymbolRenderContext &context, QSize size) override

void	setAngle (double angle)

Public Member Functions inherited from QgsSymbolLayer
virtual	~QgsSymbolLayer ()

virtual QColor	color () const
	The fill color. More...

QgsPropertyCollection &	dataDefinedProperties ()
	Returns a reference to the symbol layer's property collection, used for data defined overrides. More...

const QgsPropertyCollection &	dataDefinedProperties () const
	Returns a reference to the symbol layer's property collection, used for data defined overrides. More...

virtual double	dxfAngle (QgsSymbolRenderContext &context) const
	Gets angle. More...

virtual QColor	dxfBrushColor (QgsSymbolRenderContext &context) const
	Gets brush/fill color. More...

virtual Qt::BrushStyle	dxfBrushStyle () const
	Gets brush/fill style. More...

virtual QVector< qreal >	dxfCustomDashPattern (QgsUnitTypes::RenderUnit &unit) const
	Gets dash pattern. More...

virtual double	dxfOffset (const QgsDxfExport &e, QgsSymbolRenderContext &context) const
	Gets offset. More...

bool	enabled () const
	Returns true if symbol layer is enabled and will be drawn. More...

virtual QColor	fillColor () const
	Gets fill color. More...

virtual bool	isCompatibleWithSymbol (QgsSymbol *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

QgsPaintEffect *	paintEffect () const
	Returns the current paint effect for the layer. More...

virtual void	prepareExpressions (const QgsSymbolRenderContext &context)
	Prepares all data defined property expressions for evaluation. More...

int	renderingPass () const

virtual void	setColor (const QColor &color)
	The fill color. More...

void	setDataDefinedProperties (const QgsPropertyCollection &collection)
	Sets the symbol layer's property collection, used for data defined overrides. More...

virtual void	setDataDefinedProperty (Property key, const QgsProperty &property)
	Sets a data defined property for the layer. More...

void	setEnabled (bool enabled)
	Sets whether symbol layer is enabled and should be drawn. More...

virtual void	setFillColor (const QColor &color)
	Set fill color. More...

void	setLocked (bool locked)

void	setPaintEffect (QgsPaintEffect *effect)
	Sets the current paint effect for the layer. More...

void	setRenderingPass (int renderingPass)

virtual void	setStrokeColor (const QColor &color)
	Set stroke color. More...

virtual QColor	strokeColor () const
	Gets stroke color. More...

virtual void	toSld (QDomDocument &doc, QDomElement &element, const QgsStringMap &props) const

QgsSymbol::SymbolType	type () const

virtual bool	writeDxf (QgsDxfExport &e, double mmMapUnitScaleFactor, const QString &layerName, QgsSymbolRenderContext &context, QPointF shift=QPointF(0.0, 0.0)) const
	write as DXF More...

Static Public Member Functions
static QgsSymbolLayer *	create (const QgsStringMap &properties=QgsStringMap())
	Creates a new QgsRasterFillSymbolLayer from a properties map. More...

static void	resolvePaths (QgsStringMap &properties, const QgsPathResolver &pathResolver, bool saving)
	Turns relative paths in properties map to absolute when reading and vice versa when writing. More...

Static Public Member Functions inherited from QgsSymbolLayer
static const QgsPropertiesDefinition &	propertyDefinitions ()
	Returns the symbol layer property definitions. More...

Protected Member Functions
void	applyDataDefinedSettings (QgsSymbolRenderContext &context) override

Protected Member Functions inherited from QgsFillSymbolLayer
	QgsFillSymbolLayer (bool locked=false)

void	_renderPolygon (QPainter p, const QPolygonF &points, const QList< QPolygonF > rings, QgsSymbolRenderContext &context)
	Default method to render polygon. More...

Protected Member Functions inherited from QgsSymbolLayer
	QgsSymbolLayer (QgsSymbol::SymbolType type, bool locked=false)

void	copyDataDefinedProperties (QgsSymbolLayer *destLayer) const
	Copies all data defined properties of this layer to another symbol layer. More...

void	copyPaintEffect (QgsSymbolLayer *destLayer) const
	Copies paint effect of this layer to another symbol layer. More...

void	restoreOldDataDefinedProperties (const QgsStringMap &stringMap)
	Restores older data defined properties from string map. More...

Additional Inherited Members
Protected Attributes inherited from QgsImageFillSymbolLayer
QBrush	mBrush

double	mNextAngle = 0.0

std::unique_ptr< QgsLineSymbol >	mStroke
	Custom stroke. More...

double	mStrokeWidth = 0.0
	Stroke width. More...

QgsMapUnitScale	mStrokeWidthMapUnitScale

QgsUnitTypes::RenderUnit	mStrokeWidthUnit = QgsUnitTypes::RenderMillimeters

Protected Attributes inherited from QgsFillSymbolLayer
double	mAngle = 0.0

Protected Attributes inherited from QgsSymbolLayer
QColor	mColor

QgsPropertyCollection	mDataDefinedProperties

bool	mEnabled
	True if layer is enabled and should be drawn. More...

QgsFields	mFields

bool	mLocked

QgsPaintEffect *	mPaintEffect = nullptr

int	mRenderingPass

QgsSymbol::SymbolType	mType

Static Protected Attributes inherited from QgsSymbolLayer
static const bool	SELECT_FILL_BORDER = false
	Whether fill styles for selected features also highlight symbol stroke. More...

static const bool	SELECT_FILL_STYLE = false
	Whether fill styles for selected features uses symbol layer style. More...

static const bool	SELECTION_IS_OPAQUE = true
	Whether styles for selected features ignore symbol alpha. More...

Detailed Description

A class for filling symbols with a repeated raster image.

Since: QGIS 2.7

Definition at line 710 of file qgsfillsymbollayer.h.

Member Enumeration Documentation

enum QgsRasterFillSymbolLayer::FillCoordinateMode

Fill coordinate modes, dictates fill tiling behavior.

Enumerator
Feature	Tiling is based on feature bounding box.
Viewport	Tiling is based on complete map viewport.

Definition at line 715 of file qgsfillsymbollayer.h.

Constructor & Destructor Documentation

QgsRasterFillSymbolLayer::QgsRasterFillSymbolLayer ( const QString & imageFilePath = QString() )

Constructor for QgsRasterFillSymbolLayer, using a raster fill from the specified imageFilePath.

Definition at line 3601 of file qgsfillsymbollayer.cpp.

Member Function Documentation

void QgsRasterFillSymbolLayer::applyDataDefinedSettings ( QgsSymbolRenderContext & context )

overrideprotectedvirtual

Reimplemented from QgsImageFillSymbolLayer.

Definition at line 3784 of file qgsfillsymbollayer.cpp.

QgsRasterFillSymbolLayer * QgsRasterFillSymbolLayer::clone ( ) const

overridevirtual

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

Implements QgsSymbolLayer.

Definition at line 3747 of file qgsfillsymbollayer.cpp.

FillCoordinateMode QgsRasterFillSymbolLayer::coordinateMode ( ) const

inline

Coordinate mode for fill.

Controls how the top left corner of the image fill is positioned relative to the feature.

Returns: coordinate mode

See also: setCoordinateMode

Definition at line 781 of file qgsfillsymbollayer.h.

QgsSymbolLayer * QgsRasterFillSymbolLayer::create ( const QgsStringMap & properties = QgsStringMap() )

static

Creates a new QgsRasterFillSymbolLayer from a properties map.

The caller takes ownership of the returned object.

Definition at line 3608 of file qgsfillsymbollayer.cpp.

double QgsRasterFillSymbolLayer::estimateMaxBleed ( const QgsRenderContext & context ) const

overridevirtual

Returns the estimated maximum distance which the layer style will bleed outside the drawn shape when drawn in the specified /a context.

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

Reimplemented from QgsImageFillSymbolLayer.

Definition at line 3764 of file qgsfillsymbollayer.cpp.

QString QgsRasterFillSymbolLayer::imageFilePath ( ) const

inline

The path to the raster image used for the fill.

Returns: path to image file

See also: setImageFilePath

Definition at line 765 of file qgsfillsymbollayer.h.

QString QgsRasterFillSymbolLayer::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 QgsSymbolLayer.

Definition at line 3687 of file qgsfillsymbollayer.cpp.

QPointF QgsRasterFillSymbolLayer::offset ( ) const

inline

Returns the offset for the fill.

Returns: offset for fill

See also: setOffset; offsetUnit; offsetMapUnitScale

Definition at line 813 of file qgsfillsymbollayer.h.

const QgsMapUnitScale& QgsRasterFillSymbolLayer::offsetMapUnitScale ( ) const

inline

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

Returns: map unit scale for offset

See also: setOffsetMapUnitScale; offset; offsetUnit

Definition at line 849 of file qgsfillsymbollayer.h.

QgsUnitTypes::RenderUnit QgsRasterFillSymbolLayer::offsetUnit ( ) const

inline

Returns the units for the fill's offset.

Returns: units for offset

See also: setOffsetUnit; offset; offsetMapUnitScale

Definition at line 831 of file qgsfillsymbollayer.h.

double QgsRasterFillSymbolLayer::opacity ( ) const

inline

Returns the opacity for the raster image used in the fill.

Returns: opacity value between 0 (fully transparent) and 1 (fully opaque)

See also: setOpacity()

Definition at line 795 of file qgsfillsymbollayer.h.

QgsStringMap QgsRasterFillSymbolLayer::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 QgsSymbolLayer.

Definition at line 3731 of file qgsfillsymbollayer.cpp.

void QgsRasterFillSymbolLayer::renderPolygon	(	const QPolygonF &	points,
		QList< QPolygonF > *	rings,
		QgsSymbolRenderContext &	context
	)

overridevirtual

Reimplemented from QgsImageFillSymbolLayer.

Definition at line 3692 of file qgsfillsymbollayer.cpp.

void QgsRasterFillSymbolLayer::resolvePaths	(	QgsStringMap &	properties,
		const QgsPathResolver &	pathResolver,
		bool	saving
	)

static

Turns relative paths in properties map to absolute when reading and vice versa when writing.

Used internally when reading/writing symbols.

Since: QGIS 3.0

Definition at line 3669 of file qgsfillsymbollayer.cpp.

void QgsRasterFillSymbolLayer::setCoordinateMode ( const QgsRasterFillSymbolLayer::FillCoordinateMode mode )

Set the coordinate mode for fill.

Controls how the top left corner of the image fill is positioned relative to the feature.

Parameters

mode	coordinate mode

See also: coordinateMode

Definition at line 3774 of file qgsfillsymbollayer.cpp.

void QgsRasterFillSymbolLayer::setImageFilePath ( const QString & imagePath )

Sets the path to the raster image used for the fill.

Parameters

imagePath path to image file

See also: imageFilePath

Definition at line 3769 of file qgsfillsymbollayer.cpp.

void QgsRasterFillSymbolLayer::setOffset ( QPointF offset )

inline

Sets the offset for the fill.

Parameters

offset offset for fill

See also: offset; setOffsetUnit; setOffsetMapUnitScale

Definition at line 804 of file qgsfillsymbollayer.h.

void QgsRasterFillSymbolLayer::setOffsetMapUnitScale ( const QgsMapUnitScale & scale )

inline

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

Parameters

scale map unit scale for offset

See also: offsetMapUnitScale; setOffset; setOffsetUnit

Definition at line 840 of file qgsfillsymbollayer.h.

void QgsRasterFillSymbolLayer::setOffsetUnit ( const QgsUnitTypes::RenderUnit unit )

inline

Sets the units for the fill's offset.

Parameters

unit	units for offset

See also: offsetUnit; setOffset; setOffsetMapUnitScale

Definition at line 822 of file qgsfillsymbollayer.h.

void QgsRasterFillSymbolLayer::setOpacity ( double opacity )

Sets the opacity for the raster image used in the fill.

Parameters

opacity opacity value between 0 (fully transparent) and 1 (fully opaque)

See also: opacity()

Definition at line 3779 of file qgsfillsymbollayer.cpp.

bool QgsRasterFillSymbolLayer::setSubSymbol ( QgsSymbol * symbol )

overridevirtual

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

Reimplemented from QgsImageFillSymbolLayer.

Definition at line 3681 of file qgsfillsymbollayer.cpp.

void QgsRasterFillSymbolLayer::setWidth ( const double width )

inline

Sets the width for scaling the image used in the fill.

The image's height will also be scaled to maintain the image's aspect ratio.

Parameters

width width for scaling the image

See also: width; setWidthUnit; setWidthMapUnitScale

Definition at line 859 of file qgsfillsymbollayer.h.

void QgsRasterFillSymbolLayer::setWidthMapUnitScale ( const QgsMapUnitScale & scale )

inline

Sets the map unit scale for the image's width.

Parameters

scale map unit scale for width

See also: widthMapUnitScale; setWidth; setWidthUnit

Definition at line 896 of file qgsfillsymbollayer.h.

void QgsRasterFillSymbolLayer::setWidthUnit ( const QgsUnitTypes::RenderUnit unit )

inline

Sets the units for the image's width.

Parameters

unit	units for width

See also: widthUnit; setWidth; setWidthMapUnitScale

Definition at line 878 of file qgsfillsymbollayer.h.

void QgsRasterFillSymbolLayer::startRender ( QgsSymbolRenderContext & context )

overridevirtual

Implements QgsSymbolLayer.

Definition at line 3721 of file qgsfillsymbollayer.cpp.

void QgsRasterFillSymbolLayer::stopRender ( QgsSymbolRenderContext & context )

overridevirtual

Implements QgsSymbolLayer.

Definition at line 3726 of file qgsfillsymbollayer.cpp.

QgsSymbol* QgsRasterFillSymbolLayer::subSymbol ( )

inlineoverridevirtual

Returns the symbol's sub symbol, if present.

Reimplemented from QgsImageFillSymbolLayer.

Definition at line 750 of file qgsfillsymbollayer.h.

double QgsRasterFillSymbolLayer::width ( ) const

inline

Returns the width used for scaling the image used in the fill.

The image's height is scaled to maintain the image's aspect ratio.

Returns: width used for scaling the image

See also: setWidth; widthUnit; widthMapUnitScale

Definition at line 869 of file qgsfillsymbollayer.h.

const QgsMapUnitScale& QgsRasterFillSymbolLayer::widthMapUnitScale ( ) const

inline

Returns the map unit scale for the image's width.

Returns: map unit scale for width

See also: setWidthMapUnitScale; width; widthUnit

Definition at line 905 of file qgsfillsymbollayer.h.

QgsUnitTypes::RenderUnit QgsRasterFillSymbolLayer::widthUnit ( ) const

inline

Returns the units for the image's width.

Returns: units for width

See also: setWidthUnit; width; widthMapUnitScale

Definition at line 887 of file qgsfillsymbollayer.h.

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

/build/qgis-3.4.15+24xenial/src/core/symbology/qgsfillsymbollayer.h
/build/qgis-3.4.15+24xenial/src/core/symbology/qgsfillsymbollayer.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation