#include <qgssymbollayerv2utils.h>

Static Public Member Functions
static void	applyScaleDependency (QDomDocument &doc, QDomElement &ruleElem, const QgsStringMap &props)
	Checks if the properties contain scaleMinDenom and scaleMaxDenom, if available, they are added into the SE Rule element. More...

static void	blurImageInPlace (QImage &image, QRect rect, int radius, bool alphaOnly)
	Blurs an image in place, e.g. More...

static void	clearSymbolMap (QgsSymbolV2Map &symbols)

static QColor	colorFromMimeData (const QMimeData *data, bool &hasAlpha)
	Attempts to parse mime data as a color. More...

static QgsNamedColorList	colorListFromMimeData (const QMimeData *data)
	Attempts to parse mime data as a list of named colors. More...

static QMimeData *	colorListToMimeData (const QgsNamedColorList &colorList, const bool allFormats=true)
	Creates mime data from a list of named colors. More...

static QIcon	colorRampPreviewIcon (QgsVectorColorRampV2 *ramp, QSize size)

static QPixmap	colorRampPreviewPixmap (QgsVectorColorRampV2 *ramp, QSize size)

static QMimeData *	colorToMimeData (const QColor &color)
	Creates mime data from a color. More...

static QString	colorToName (const QColor &color)
	Returns a friendly display name for a color. More...

static bool	convertPolygonSymbolizerToPointMarker (QDomElement &element, QgsSymbolLayerV2List &layerList)

static double	convertToMapUnits (const QgsRenderContext &c, double size, QgsSymbolV2::OutputUnit unit, const QgsMapUnitScale &scale=QgsMapUnitScale())
	Converts a size from the specied units to map units. More...

static double	convertToPainterUnits (const QgsRenderContext &c, double size, QgsSymbolV2::OutputUnit unit, const QgsMapUnitScale &scale=QgsMapUnitScale())
	Converts a size from the specied units to painter units. More...

static void	createDisplacementElement (QDomDocument &doc, QDomElement &element, QPointF offset)

static bool	createExpressionElement (QDomDocument &doc, QDomElement &element, const QString &function)
	Creates a OGC Expression element based on the provided function expression. More...

static QgsSymbolLayerV2 *	createFillLayerFromSld (QDomElement &element)

static bool	createFunctionElement (QDomDocument &doc, QDomElement &element, const QString &function)

static void	createGeometryElement (QDomDocument &doc, QDomElement &element, const QString &geomFunc)

static QgsSymbolLayerV2 *	createLineLayerFromSld (QDomElement &element)

static QgsSymbolLayerV2 *	createMarkerLayerFromSld (QDomElement &element)

static void	createOnlineResourceElement (QDomDocument &doc, QDomElement &element, const QString &path, const QString &format)

static void	createOpacityElement (QDomDocument &doc, QDomElement &element, const QString &alphaFunc)

static QgsRenderContext	createRenderContext (QPainter *p)
	Creates a render context for a pixel based device. More...

static void	createRotationElement (QDomDocument &doc, QDomElement &element, const QString &rotationFunc)

static QDomElement	createSvgParameterElement (QDomDocument &doc, const QString &name, const QString &value)

static bool	createSymbolLayerV2ListFromSld (QDomElement &element, QGis::GeometryType geomType, QgsSymbolLayerV2List &layers)

static QDomElement	createVendorOptionElement (QDomDocument &doc, const QString &name, const QString &value)

static QPainter::CompositionMode	decodeBlendMode (const QString &s)

static Qt::BrushStyle	decodeBrushStyle (const QString &str)

static QColor	decodeColor (const QString &str)

static QgsMapUnitScale	decodeMapUnitScale (const QString &str)

static QgsSymbolV2::OutputUnit	decodeOutputUnit (const QString &str)

static Qt::PenCapStyle	decodePenCapStyle (const QString &str)

static Qt::PenJoinStyle	decodePenJoinStyle (const QString &str)

static Qt::PenStyle	decodePenStyle (const QString &str)

static QPointF	decodePoint (const QString &str)

static QVector< qreal >	decodeRealVector (const QString &s)

static QgsSymbolV2::ScaleMethod	decodeScaleMethod (const QString &str)

static int	decodeSldAlpha (const QString &str)

static Qt::BrushStyle	decodeSldBrushStyle (const QString &str)

static QFont::Style	decodeSldFontStyle (const QString &str)

static int	decodeSldFontWeight (const QString &str)

static Qt::PenCapStyle	decodeSldLineCapStyle (const QString &str)

static Qt::PenJoinStyle	decodeSldLineJoinStyle (const QString &str)

static QVector< qreal >	decodeSldRealVector (const QString &s)

static QgsSymbolV2::OutputUnit	decodeSldUom (const QString &str, double *scaleFactor)

static bool	displacementFromSldElement (QDomElement &element, QPointF &offset)

static void	drawStippledBackground (QPainter *painter, QRect rect)

static QString	encodeBrushStyle (Qt::BrushStyle style)

static QString	encodeColor (const QColor &color)

static QString	encodeMapUnitScale (const QgsMapUnitScale &mapUnitScale)

static QString	encodeOutputUnit (QgsSymbolV2::OutputUnit unit)

static QString	encodePenCapStyle (Qt::PenCapStyle style)

static QString	encodePenJoinStyle (Qt::PenJoinStyle style)

static QString	encodePenStyle (Qt::PenStyle style)

static QString	encodePoint (QPointF point)

static QString	encodeRealVector (const QVector< qreal > &v)

static QString	encodeScaleMethod (QgsSymbolV2::ScaleMethod scaleMethod)

static QString	encodeSldAlpha (int alpha)

static QString	encodeSldBrushStyle (Qt::BrushStyle style)

static QString	encodeSldFontStyle (QFont::Style style)

static QString	encodeSldFontWeight (int weight)

static QString	encodeSldLineCapStyle (Qt::PenCapStyle style)

static QString	encodeSldLineJoinStyle (Qt::PenJoinStyle style)

static QString	encodeSldRealVector (const QVector< qreal > &v)

static QString	encodeSldUom (QgsSymbolV2::OutputUnit unit, double *scaleFactor)

static double	estimateMaxSymbolBleed (QgsSymbolV2 *symbol)
	Returns the maximum estimated bleed for the symbol. More...

static bool	externalGraphicFromSld (QDomElement &element, QString &path, QString &mime, QColor &color, double &size)

static void	externalGraphicToSld (QDomDocument &doc, QDomElement &element, const QString &path, const QString &mime, const QColor &color, double size=-1)

static bool	externalMarkerFromSld (QDomElement &element, QString &path, QString &format, int &markIndex, QColor &color, double &size)

static void	externalMarkerToSld (QDomDocument &doc, QDomElement &element, const QString &path, const QString &format, int *markIndex=nullptr, const QColor &color=QColor(), double size=-1)

static QString	fieldOrExpressionFromExpression (QgsExpression *expression)
	Return a field name if the whole expression is just a name of the field . More...

static QgsExpression *	fieldOrExpressionToExpression (const QString &fieldOrExpression)
	Return a new valid expression instance for given field or expression string. More...

static bool	fillFromSld (QDomElement &element, Qt::BrushStyle &brushStyle, QColor &color)

static void	fillToSld (QDomDocument &doc, QDomElement &element, Qt::BrushStyle brushStyle, const QColor &color=QColor())

static bool	functionFromSldElement (QDomElement &element, QString &function)

static bool	geometryFromSldElement (QDomElement &element, QString &geomFunc)

static QgsStringMap	getSvgParameterList (QDomElement &element)

static QgsStringMap	getVendorOptionList (QDomElement &element)

static bool	hasExternalGraphic (QDomElement &element)

static bool	hasWellKnownMark (QDomElement &element)

static QgsNamedColorList	importColorsFromGpl (QFile &file, bool &ok, QString &name)
	Imports colors from a gpl GIMP palette file. More...

static void	labelTextToSld (QDomDocument &doc, QDomElement &element, const QString &label, const QFont &font, const QColor &color=QColor(), double size=-1)

static bool	lineFromSld (QDomElement &element, Qt::PenStyle &penStyle, QColor &color, double &width, Qt::PenJoinStyle penJoinStyle=nullptr, Qt::PenCapStyle penCapStyle=nullptr, QVector< qreal > customDashPattern=nullptr, double dashOffset=nullptr)

static void	lineToSld (QDomDocument &doc, QDomElement &element, Qt::PenStyle penStyle, const QColor &color, double width=-1, const Qt::PenJoinStyle penJoinStyle=nullptr, const Qt::PenCapStyle penCapStyle=nullptr, const QVector< qreal > *customDashPattern=nullptr, double dashOffset=0.0)

static double	lineWidthScaleFactor (const QgsRenderContext &c, QgsSymbolV2::OutputUnit u, const QgsMapUnitScale &scale=QgsMapUnitScale())
	Returns the line width scale factor depending on the unit and the paint device. More...

static QStringList	listSvgFiles ()
	Return a list of all available svg files. More...

static QStringList	listSvgFilesAt (const QString &directory)
	Return a list of svg files at the specified directory. More...

static QgsVectorColorRampV2 *	loadColorRamp (QDomElement &element)

static QgsSymbolV2 *	loadSymbol (const QDomElement &element)
	Attempts to load a symbol from a DOM element. More...

template<class SymbolType >
static SymbolType *	loadSymbol (const QDomElement &element)
	Attempts to load a symbol from a DOM element and cast it to a particular symbol type. More...

static QgsSymbolLayerV2 *	loadSymbolLayer (QDomElement &element)

static QgsSymbolV2Map	loadSymbols (QDomElement &element)

static double	mapUnitScaleFactor (const QgsRenderContext &c, QgsSymbolV2::OutputUnit u, const QgsMapUnitScale &scale=QgsMapUnitScale())
	Returns scale factor painter units -> map units. More...

static void	mergeScaleDependencies (int mScaleMinDenom, int mScaleMaxDenom, QgsStringMap &props)
	Merges the local scale limits, if any, with the ones already in the map, if any. More...

static void	multiplyImageOpacity (QImage *image, qreal alpha)
	Multiplies opacity of image pixel values with a (global) transparency value. More...

static bool	needEllipseMarker (QDomElement &element)

static bool	needFontMarker (QDomElement &element)

static bool	needLinePatternFill (QDomElement &element)

static bool	needMarkerLine (QDomElement &element)

static bool	needPointPatternFill (QDomElement &element)

static bool	needSvgFill (QDomElement &element)

static bool	needSvgMarker (QDomElement &element)

static QString	ogrFeatureStyleBrush (const QColor &fillColr)
	Create ogr feature style string for brush. More...

static QString	ogrFeatureStylePen (double width, double mmScaleFactor, double mapUnitsScaleFactor, const QColor &c, Qt::PenJoinStyle joinStyle=Qt::MiterJoin, Qt::PenCapStyle capStyle=Qt::FlatCap, double offset=0.0, const QVector< qreal > *dashPattern=nullptr)
	Create ogr feature style string for pen. More...

static bool	onlineResourceFromSldElement (QDomElement &element, QString &path, QString &format)

static bool	opacityFromSldElement (QDomElement &element, QString &alphaFunc)

static QColor	parseColor (const QString &colorStr, bool strictEval=false)
	Attempts to parse a string as a color using a variety of common formats, including hex codes, rgb and rgba strings. More...

static QList< QColor >	parseColorList (const QString &colorStr)
	Attempts to parse a string as a list of colors using a variety of common formats, including hex codes, rgb and rgba strings. More...

static QColor	parseColorWithAlpha (const QString &colorStr, bool &containsAlpha, bool strictEval=false)
	Attempts to parse a string as a color using a variety of common formats, including hex codes, rgb and rgba strings. More...

static QgsStringMap	parseProperties (QDomElement &element)

static double	pixelSizeScaleFactor (const QgsRenderContext &c, QgsSymbolV2::OutputUnit u, const QgsMapUnitScale &scale=QgsMapUnitScale())
	Returns scale factor painter units -> pixel dimensions. More...

static bool	pointInPolygon (const QPolygonF &points, QPointF point)
	Calculate whether a point is within of a QPolygonF. More...

static QPointF	pointOnLineWithDistance (QPointF startPoint, QPointF directionPoint, double distance)
	Returns a point on the line from startPoint to directionPoint that is a certain distance away from the starting point. More...

static QPointF	polygonCentroid (const QPolygonF &points)
	Calculate the centroid point of a QPolygonF. More...

static QPointF	polygonPointOnSurface (const QPolygonF &points)
	Calculate a point within of a QPolygonF. More...

static void	premultiplyColor (QColor &rgb, int alpha)
	Converts a QColor into a premultiplied ARGB QColor value using a specified alpha value. More...

static QList< double >	prettyBreaks (double minimum, double maximum, int classes)
	Computes a sequence of about 'classes' equally spaced round values which cover the range of values from 'minimum' to 'maximum'. More...

static double	rescaleUom (double size, QgsSymbolV2::OutputUnit unit, const QgsStringMap &props)
	Rescales the given size based on the uomScale found in the props, if any is found, otherwise returns the value un-modified. More...

static QPointF	rescaleUom (const QPointF &point, QgsSymbolV2::OutputUnit unit, const QgsStringMap &props)
	Rescales the given point based on the uomScale found in the props, if any is found, otherwise returns a copy of the original point. More...

static QVector< qreal >	rescaleUom (const QVector< qreal > &array, QgsSymbolV2::OutputUnit unit, const QgsStringMap &props)
	Rescales the given array based on the uomScale found in the props, if any is found, otherwise returns a copy of the original point. More...

static bool	rotationFromSldElement (QDomElement &element, QString &rotationFunc)

static QDomElement	saveColorRamp (const QString &name, QgsVectorColorRampV2 *ramp, QDomDocument &doc)

static bool	saveColorsToGpl (QFile &file, const QString &paletteName, const QgsNamedColorList &colors)
	Exports colors to a gpl GIMP palette file. More...

static void	saveProperties (QgsStringMap props, QDomDocument &doc, QDomElement &element)

static QDomElement	saveSymbol (const QString &symbolName, QgsSymbolV2 *symbol, QDomDocument &doc)

static QDomElement	saveSymbols (QgsSymbolV2Map &symbols, const QString &tagName, QDomDocument &doc)

static double	sizeInPixelsFromSldUom (const QString &uom, double size)
	Returns the size scaled in pixels according to the uom attribute. More...

static void	sortVariantList (QList< QVariant > &list, Qt::SortOrder order)
	Sorts the passed list in requested order. More...

static QIcon	symbolLayerPreviewIcon (QgsSymbolLayerV2 *layer, QgsSymbolV2::OutputUnit u, QSize size, const QgsMapUnitScale &scale=QgsMapUnitScale())

static QPicture	symbolLayerPreviewPicture (QgsSymbolLayerV2 *layer, QgsSymbolV2::OutputUnit units, QSize size, const QgsMapUnitScale &scale=QgsMapUnitScale())
	Draws a symbol layer preview to a QPicture. More...

static QString	symbolNameToPath (QString name)
	Get symbol's path from its name. More...

static QString	symbolPathToName (QString path)
	Get symbols's name from its path. More...

static QIcon	symbolPreviewIcon (QgsSymbolV2 *symbol, QSize size)

static QPixmap	symbolPreviewPixmap (QgsSymbolV2 symbol, QSize size, QgsRenderContext customContext=nullptr)

static QString	symbolProperties (QgsSymbolV2 *symbol)
	Returns a string representing the symbol. More...

static Q_DECL_DEPRECATED bool	wellKnownMarkerFromSld (QDomElement &element, QString &name, QColor &color, QColor &borderColor, double &borderWidth, double &size)

static bool	wellKnownMarkerFromSld (QDomElement &element, QString &name, QColor &color, QColor &borderColor, Qt::PenStyle &borderStyle, double &borderWidth, double &size)

static Q_DECL_DEPRECATED void	wellKnownMarkerToSld (QDomDocument &doc, QDomElement &element, const QString &name, const QColor &color, const QColor &borderColor=QColor(), double borderWidth=-1, double size=-1)

static void	wellKnownMarkerToSld (QDomDocument &doc, QDomElement &element, const QString &name, const QColor &color, const QColor &borderColor, Qt::PenStyle borderStyle, double borderWidth=-1, double size=-1)

Detailed Description

Definition at line 48 of file qgssymbollayerv2utils.h.

Member Function Documentation

◆ applyScaleDependency()

void QgsSymbolLayerV2Utils::applyScaleDependency	(	QDomDocument &	doc,
		QDomElement &	ruleElem,
		const QgsStringMap &	props
	)

static

Checks if the properties contain scaleMinDenom and scaleMaxDenom, if available, they are added into the SE Rule element.

Note: added in 2.14

Definition at line 4194 of file qgssymbollayerv2utils.cpp.

◆ blurImageInPlace()

void QgsSymbolLayerV2Utils::blurImageInPlace	(	QImage &	image,
		QRect	rect,
		int	radius,
		bool	alphaOnly
	)

static

Blurs an image in place, e.g.

creating Qt-independent drop shadows

Definition at line 3582 of file qgssymbollayerv2utils.cpp.

◆ clearSymbolMap()

void QgsSymbolLayerV2Utils::clearSymbolMap ( QgsSymbolV2Map & symbols )

static

Definition at line 2849 of file qgssymbollayerv2utils.cpp.

◆ colorFromMimeData()

QColor QgsSymbolLayerV2Utils::colorFromMimeData	(	const QMimeData *	data,
		bool &	hasAlpha
	)

static

Attempts to parse mime data as a color.

Parameters

data	mime data to parse
hasAlpha	will be set to true if mime data was interpreted as a color containing an explicit alpha value

Returns: valid color if mimedata could be interpreted as a color, otherwise an invalid color

Note: added in 2.5

Definition at line 2978 of file qgssymbollayerv2utils.cpp.

◆ colorListFromMimeData()

QgsNamedColorList QgsSymbolLayerV2Utils::colorListFromMimeData ( const QMimeData * data )

static

Attempts to parse mime data as a list of named colors.

Parameters

data	mime data to parse

Returns: list of parsed colors

Note: added in 2.5

Definition at line 3000 of file qgssymbollayerv2utils.cpp.

◆ colorListToMimeData()

QMimeData * QgsSymbolLayerV2Utils::colorListToMimeData	(	const QgsNamedColorList &	colorList,
		const bool	allFormats = `true`
	)

static

Creates mime data from a list of named colors.

Parameters

colorList	list of named colors
allFormats	set to true to include additional mime formats, include text/plain and application/x-color

Returns: mime data containing encoded colors

Note: added in 2.5

Definition at line 3113 of file qgssymbollayerv2utils.cpp.

◆ colorRampPreviewIcon()

QIcon QgsSymbolLayerV2Utils::colorRampPreviewIcon	(	QgsVectorColorRampV2 *	ramp,
		QSize	size
	)

static

Definition at line 656 of file qgssymbollayerv2utils.cpp.

◆ colorRampPreviewPixmap()

QPixmap QgsSymbolLayerV2Utils::colorRampPreviewPixmap	(	QgsVectorColorRampV2 *	ramp,
		QSize	size
	)

static

Definition at line 661 of file qgssymbollayerv2utils.cpp.

◆ colorToMimeData()

QMimeData * QgsSymbolLayerV2Utils::colorToMimeData ( const QColor & color )

static

Creates mime data from a color.

Sets both the mime data's color data, and the mime data's text with the color's hex code.

Parameters

color color to encode as mime data

See also: colorFromMimeData

Note: added in 2.5

Definition at line 2968 of file qgssymbollayerv2utils.cpp.

◆ colorToName()

QString QgsSymbolLayerV2Utils::colorToName ( const QColor & color )

static

Returns a friendly display name for a color.

Parameters

color source color

Returns: display name for color

Note: added in 2.5

Definition at line 2889 of file qgssymbollayerv2utils.cpp.

◆ convertPolygonSymbolizerToPointMarker()

bool QgsSymbolLayerV2Utils::convertPolygonSymbolizerToPointMarker	(	QDomElement &	element,
		QgsSymbolLayerV2List &	layerList
	)

static

Definition at line 1520 of file qgssymbollayerv2utils.cpp.

◆ convertToMapUnits()

double QgsSymbolLayerV2Utils::convertToMapUnits	(	const QgsRenderContext &	c,
		double	size,
		QgsSymbolV2::OutputUnit	unit,
		const QgsMapUnitScale &	scale = `QgsMapUnitScale()`
	)

static

Converts a size from the specied units to map units.

The conversion respects the limits specified by the optional scale parameter.

Parameters

c	render context
size	size to convert
unit	units for specified size
scale	map unit scale

Note: added in QGIS 2.16

See also: convertToPainterUnits()

Definition at line 3438 of file qgssymbollayerv2utils.cpp.

◆ convertToPainterUnits()

double QgsSymbolLayerV2Utils::convertToPainterUnits	(	const QgsRenderContext &	c,
		double	size,
		QgsSymbolV2::OutputUnit	unit,
		const QgsMapUnitScale &	scale = `QgsMapUnitScale()`
	)

static

Converts a size from the specied units to painter units.

The conversion respects the limits specified by the optional scale parameter.

Parameters

c	render context
size	size to convert
unit	units for specified size
scale	map unit scale

Note: added in QGIS 2.12

See also: lineWidthScaleFactor(); convertToMapUnits()

Definition at line 3421 of file qgssymbollayerv2utils.cpp.

◆ createDisplacementElement()

void QgsSymbolLayerV2Utils::createDisplacementElement	(	QDomDocument &	doc,
		QDomElement &	element,
		QPointF	offset
	)

static

Definition at line 2347 of file qgssymbollayerv2utils.cpp.

◆ createExpressionElement()

bool QgsSymbolLayerV2Utils::createExpressionElement	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	function
	)

static

Creates a OGC Expression element based on the provided function expression.

Parameters

doc	The document owning the element
element	The element parent
function	The expression to be encoded

Returns

Definition at line 2548 of file qgssymbollayerv2utils.cpp.

◆ createFillLayerFromSld()

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::createFillLayerFromSld ( QDomElement & element )

static

Definition at line 1262 of file qgssymbollayerv2utils.cpp.

◆ createFunctionElement()

bool QgsSymbolLayerV2Utils::createFunctionElement	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	function
	)

static

Definition at line 2563 of file qgssymbollayerv2utils.cpp.

◆ createGeometryElement()

void QgsSymbolLayerV2Utils::createGeometryElement	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	geomFunc
	)

static

Definition at line 2505 of file qgssymbollayerv2utils.cpp.

◆ createLineLayerFromSld()

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::createLineLayerFromSld ( QDomElement & element )

static

Definition at line 1285 of file qgssymbollayerv2utils.cpp.

◆ createMarkerLayerFromSld()

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::createMarkerLayerFromSld ( QDomElement & element )

static

Definition at line 1304 of file qgssymbollayerv2utils.cpp.

◆ createOnlineResourceElement()

void QgsSymbolLayerV2Utils::createOnlineResourceElement	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	path,
		const QString &	format
	)

static

Definition at line 2615 of file qgssymbollayerv2utils.cpp.

◆ createOpacityElement()

void QgsSymbolLayerV2Utils::createOpacityElement	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	alphaFunc
	)

static

Definition at line 2327 of file qgssymbollayerv2utils.cpp.

◆ createRenderContext()

QgsRenderContext QgsSymbolLayerV2Utils::createRenderContext ( QPainter * p )

static

Creates a render context for a pixel based device.

Definition at line 3536 of file qgssymbollayerv2utils.cpp.

◆ createRotationElement()

void QgsSymbolLayerV2Utils::createRotationElement	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	rotationFunc
	)

static

Definition at line 2306 of file qgssymbollayerv2utils.cpp.

◆ createSvgParameterElement()

QDomElement QgsSymbolLayerV2Utils::createSvgParameterElement	(	QDomDocument &	doc,
		const QString &	name,
		const QString &	value
	)

static

Definition at line 2649 of file qgssymbollayerv2utils.cpp.

◆ createSymbolLayerV2ListFromSld()

bool QgsSymbolLayerV2Utils::createSymbolLayerV2ListFromSld	(	QDomElement &	element,
		QGis::GeometryType	geomType,
		QgsSymbolLayerV2List &	layers
	)

static

Definition at line 1112 of file qgssymbollayerv2utils.cpp.

◆ createVendorOptionElement()

QDomElement QgsSymbolLayerV2Utils::createVendorOptionElement	(	QDomDocument &	doc,
		const QString &	name,
		const QString &	value
	)

static

Definition at line 2696 of file qgssymbollayerv2utils.cpp.

◆ decodeBlendMode()

QPainter::CompositionMode QgsSymbolLayerV2Utils::decodeBlendMode ( const QString & s )

static

Definition at line 577 of file qgssymbollayerv2utils.cpp.

◆ decodeBrushStyle()

Qt::BrushStyle QgsSymbolLayerV2Utils::decodeBrushStyle ( const QString & str )

static

Definition at line 295 of file qgssymbollayerv2utils.cpp.

◆ decodeColor()

QColor QgsSymbolLayerV2Utils::decodeColor ( const QString & str )

static

Definition at line 48 of file qgssymbollayerv2utils.cpp.

◆ decodeMapUnitScale()

QgsMapUnitScale QgsSymbolLayerV2Utils::decodeMapUnitScale ( const QString & str )

static

Definition at line 390 of file qgssymbollayerv2utils.cpp.

◆ decodeOutputUnit()

QgsSymbolV2::OutputUnit QgsSymbolLayerV2Utils::decodeOutputUnit ( const QString & str )

static

Definition at line 427 of file qgssymbollayerv2utils.cpp.

◆ decodePenCapStyle()

Qt::PenCapStyle QgsSymbolLayerV2Utils::decodePenCapStyle ( const QString & str )

static

Definition at line 225 of file qgssymbollayerv2utils.cpp.

◆ decodePenJoinStyle()

Qt::PenJoinStyle QgsSymbolLayerV2Utils::decodePenJoinStyle ( const QString & str )

static

Definition at line 179 of file qgssymbollayerv2utils.cpp.

◆ decodePenStyle()

Qt::PenStyle QgsSymbolLayerV2Utils::decodePenStyle ( const QString & str )

static

Definition at line 153 of file qgssymbollayerv2utils.cpp.

◆ decodePoint()

QPointF QgsSymbolLayerV2Utils::decodePoint ( const QString & str )

static

Definition at line 372 of file qgssymbollayerv2utils.cpp.

◆ decodeRealVector()

QVector< qreal > QgsSymbolLayerV2Utils::decodeRealVector ( const QString & s )

static

Definition at line 502 of file qgssymbollayerv2utils.cpp.

◆ decodeScaleMethod()

QgsSymbolV2::ScaleMethod QgsSymbolLayerV2Utils::decodeScaleMethod ( const QString & str )

static

Definition at line 561 of file qgssymbollayerv2utils.cpp.

◆ decodeSldAlpha()

int QgsSymbolLayerV2Utils::decodeSldAlpha ( const QString & str )

static

Definition at line 72 of file qgssymbollayerv2utils.cpp.

◆ decodeSldBrushStyle()

Qt::BrushStyle QgsSymbolLayerV2Utils::decodeSldBrushStyle ( const QString & str )

static

Definition at line 352 of file qgssymbollayerv2utils.cpp.

◆ decodeSldFontStyle()

QFont::Style QgsSymbolLayerV2Utils::decodeSldFontStyle ( const QString & str )

static

Definition at line 98 of file qgssymbollayerv2utils.cpp.

◆ decodeSldFontWeight()

int QgsSymbolLayerV2Utils::decodeSldFontWeight ( const QString & str )

static

Definition at line 118 of file qgssymbollayerv2utils.cpp.

◆ decodeSldLineCapStyle()

Qt::PenCapStyle QgsSymbolLayerV2Utils::decodeSldLineCapStyle ( const QString & str )

static

Definition at line 248 of file qgssymbollayerv2utils.cpp.

◆ decodeSldLineJoinStyle()

Qt::PenJoinStyle QgsSymbolLayerV2Utils::decodeSldLineJoinStyle ( const QString & str )

static

Definition at line 202 of file qgssymbollayerv2utils.cpp.

◆ decodeSldRealVector()

QVector< qreal > QgsSymbolLayerV2Utils::decodeSldRealVector ( const QString & s )

static

Definition at line 531 of file qgssymbollayerv2utils.cpp.

◆ decodeSldUom()

QgsSymbolV2::OutputUnit QgsSymbolLayerV2Utils::decodeSldUom	(	const QString &	str,
		double *	scaleFactor
	)

static

Definition at line 465 of file qgssymbollayerv2utils.cpp.

◆ displacementFromSldElement()

bool QgsSymbolLayerV2Utils::displacementFromSldElement	(	QDomElement &	element,
		QPointF &	offset
	)

static

Definition at line 2365 of file qgssymbollayerv2utils.cpp.

◆ drawStippledBackground()

void QgsSymbolLayerV2Utils::drawStippledBackground	(	QPainter *	painter,
		QRect	rect
	)

static

Definition at line 684 of file qgssymbollayerv2utils.cpp.

◆ encodeBrushStyle()

QString QgsSymbolLayerV2Utils::encodeBrushStyle ( Qt::BrushStyle style )

static

Definition at line 256 of file qgssymbollayerv2utils.cpp.

◆ encodeColor()

QString QgsSymbolLayerV2Utils::encodeColor ( const QColor & color )

static

Definition at line 43 of file qgssymbollayerv2utils.cpp.

◆ encodeMapUnitScale()

QString QgsSymbolLayerV2Utils::encodeMapUnitScale ( const QgsMapUnitScale & mapUnitScale )

static

Definition at line 380 of file qgssymbollayerv2utils.cpp.

◆ encodeOutputUnit()

QString QgsSymbolLayerV2Utils::encodeOutputUnit ( QgsSymbolV2::OutputUnit unit )

static

Definition at line 410 of file qgssymbollayerv2utils.cpp.

◆ encodePenCapStyle()

QString QgsSymbolLayerV2Utils::encodePenCapStyle ( Qt::PenCapStyle style )

static

Definition at line 210 of file qgssymbollayerv2utils.cpp.

◆ encodePenJoinStyle()

QString QgsSymbolLayerV2Utils::encodePenJoinStyle ( Qt::PenJoinStyle style )

static

Definition at line 164 of file qgssymbollayerv2utils.cpp.

◆ encodePenStyle()

QString QgsSymbolLayerV2Utils::encodePenStyle ( Qt::PenStyle style )

static

Definition at line 132 of file qgssymbollayerv2utils.cpp.

◆ encodePoint()

QString QgsSymbolLayerV2Utils::encodePoint ( QPointF point )

static

Definition at line 367 of file qgssymbollayerv2utils.cpp.

◆ encodeRealVector()

QString QgsSymbolLayerV2Utils::encodeRealVector ( const QVector< qreal > & v )

static

Definition at line 487 of file qgssymbollayerv2utils.cpp.

◆ encodeScaleMethod()

QString QgsSymbolLayerV2Utils::encodeScaleMethod ( QgsSymbolV2::ScaleMethod scaleMethod )

static

Definition at line 545 of file qgssymbollayerv2utils.cpp.

◆ encodeSldAlpha()

QString QgsSymbolLayerV2Utils::encodeSldAlpha ( int alpha )

static

Definition at line 67 of file qgssymbollayerv2utils.cpp.

◆ encodeSldBrushStyle()

QString QgsSymbolLayerV2Utils::encodeSldBrushStyle ( Qt::BrushStyle style )

static

Definition at line 315 of file qgssymbollayerv2utils.cpp.

◆ encodeSldFontStyle()

QString QgsSymbolLayerV2Utils::encodeSldFontStyle ( QFont::Style style )

static

Definition at line 83 of file qgssymbollayerv2utils.cpp.

◆ encodeSldFontWeight()

QString QgsSymbolLayerV2Utils::encodeSldFontWeight ( int weight )

static

Definition at line 106 of file qgssymbollayerv2utils.cpp.

◆ encodeSldLineCapStyle()

QString QgsSymbolLayerV2Utils::encodeSldLineCapStyle ( Qt::PenCapStyle style )

static

Definition at line 233 of file qgssymbollayerv2utils.cpp.

◆ encodeSldLineJoinStyle()

QString QgsSymbolLayerV2Utils::encodeSldLineJoinStyle ( Qt::PenJoinStyle style )

static

Definition at line 187 of file qgssymbollayerv2utils.cpp.

◆ encodeSldRealVector()

QString QgsSymbolLayerV2Utils::encodeSldRealVector ( const QVector< qreal > & v )

static

Definition at line 516 of file qgssymbollayerv2utils.cpp.

◆ encodeSldUom()

QString QgsSymbolLayerV2Utils::encodeSldUom	(	QgsSymbolV2::OutputUnit	unit,
		double *	scaleFactor
	)

static

Definition at line 444 of file qgssymbollayerv2utils.cpp.

◆ estimateMaxSymbolBleed()

double QgsSymbolLayerV2Utils::estimateMaxSymbolBleed ( QgsSymbolV2 * symbol )

static

Returns the maximum estimated bleed for the symbol.

Definition at line 615 of file qgssymbollayerv2utils.cpp.

◆ externalGraphicFromSld()

bool QgsSymbolLayerV2Utils::externalGraphicFromSld	(	QDomElement &	element,
		QString &	path,
		QString &	mime,
		QColor &	color,
		double &	size
	)

static

Definition at line 2109 of file qgssymbollayerv2utils.cpp.

◆ externalGraphicToSld()

void QgsSymbolLayerV2Utils::externalGraphicToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	path,
		const QString &	mime,
		const QColor &	color,
		double	size = `-1`
	)

static

Definition at line 2089 of file qgssymbollayerv2utils.cpp.

◆ externalMarkerFromSld()

bool QgsSymbolLayerV2Utils::externalMarkerFromSld	(	QDomElement &	element,
		QString &	path,
		QString &	format,
		int &	markIndex,
		QColor &	color,
		double &	size
	)

static

Definition at line 2164 of file qgssymbollayerv2utils.cpp.

◆ externalMarkerToSld()

void QgsSymbolLayerV2Utils::externalMarkerToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	path,
		const QString &	format,
		int *	markIndex = `nullptr`,
		const QColor &	color = `QColor()`,
		double	size = `-1`
	)

static

Definition at line 2134 of file qgssymbollayerv2utils.cpp.

◆ fieldOrExpressionFromExpression()

QString QgsSymbolLayerV2Utils::fieldOrExpressionFromExpression ( QgsExpression * expression )

static

Return a field name if the whole expression is just a name of the field .

Returns full expression string if the expression is more complex than just one field. Using just expression->expression() method may return quoted field name, but that is not wanted for saving (due to backward compatibility) or display in GUI.

Note: added in 2.2

Definition at line 3962 of file qgssymbollayerv2utils.cpp.

◆ fieldOrExpressionToExpression()

QgsExpression * QgsSymbolLayerV2Utils::fieldOrExpressionToExpression ( const QString & fieldOrExpression )

static

Return a new valid expression instance for given field or expression string.

If the input is not a valid expression, it is assumed that it is a field name and gets properly quoted. If the string is empty, returns null pointer. This is useful when accepting input which could be either a non-quoted field name or expression.

Note: added in 2.2

Definition at line 3946 of file qgssymbollayerv2utils.cpp.

◆ fillFromSld()

bool QgsSymbolLayerV2Utils::fillFromSld	(	QDomElement &	element,
		Qt::BrushStyle &	brushStyle,
		QColor &	color
	)

static

Definition at line 1827 of file qgssymbollayerv2utils.cpp.

◆ fillToSld()

void QgsSymbolLayerV2Utils::fillToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		Qt::BrushStyle	brushStyle,
		const QColor &	color = `QColor()`
	)

static

Definition at line 1776 of file qgssymbollayerv2utils.cpp.

◆ functionFromSldElement()

bool QgsSymbolLayerV2Utils::functionFromSldElement	(	QDomElement &	element,
		QString &	function
	)

static

Definition at line 2578 of file qgssymbollayerv2utils.cpp.

◆ geometryFromSldElement()

bool QgsSymbolLayerV2Utils::geometryFromSldElement	(	QDomElement &	element,
		QString &	geomFunc
	)

static

Definition at line 2539 of file qgssymbollayerv2utils.cpp.

◆ getSvgParameterList()

QgsStringMap QgsSymbolLayerV2Utils::getSvgParameterList ( QDomElement & element )

static

Definition at line 2657 of file qgssymbollayerv2utils.cpp.

◆ getVendorOptionList()

QgsStringMap QgsSymbolLayerV2Utils::getVendorOptionList ( QDomElement & element )

static

Definition at line 2704 of file qgssymbollayerv2utils.cpp.

◆ hasExternalGraphic()

bool QgsSymbolLayerV2Utils::hasExternalGraphic ( QDomElement & element )

static

Definition at line 1327 of file qgssymbollayerv2utils.cpp.

◆ hasWellKnownMark()

bool QgsSymbolLayerV2Utils::hasWellKnownMark ( QDomElement & element )

static

Definition at line 1368 of file qgssymbollayerv2utils.cpp.

◆ importColorsFromGpl()

QgsNamedColorList QgsSymbolLayerV2Utils::importColorsFromGpl	(	QFile &	file,
		bool &	ok,
		QString &	name
	)

static

Imports colors from a gpl GIMP palette file.

Parameters

file	source gpl file
ok	will be true if file was successfully read
name	will be set to palette name from gpl file, if present

Returns: list of imported colors

See also: saveColorsToGpl

Definition at line 3189 of file qgssymbollayerv2utils.cpp.

◆ labelTextToSld()

void QgsSymbolLayerV2Utils::labelTextToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	label,
		const QFont &	font,
		const QColor &	color = `QColor()`,
		double	size = `-1`
	)

static

Definition at line 2394 of file qgssymbollayerv2utils.cpp.

◆ lineFromSld()

bool QgsSymbolLayerV2Utils::lineFromSld	(	QDomElement &	element,
		Qt::PenStyle &	penStyle,
		QColor &	color,
		double &	width,
		Qt::PenJoinStyle *	penJoinStyle = `nullptr`,
		Qt::PenCapStyle *	penCapStyle = `nullptr`,
		QVector< qreal > *	customDashPattern = `nullptr`,
		double *	dashOffset = `nullptr`
	)

static

Definition at line 1958 of file qgssymbollayerv2utils.cpp.

◆ lineToSld()

void QgsSymbolLayerV2Utils::lineToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		Qt::PenStyle	penStyle,
		const QColor &	color,
		double	width = `-1`,
		const Qt::PenJoinStyle *	penJoinStyle = `nullptr`,
		const Qt::PenCapStyle *	penCapStyle = `nullptr`,
		const QVector< qreal > *	customDashPattern = `nullptr`,
		double	dashOffset = `0.0`
	)

static

Note: not available in python bindings

Definition at line 1881 of file qgssymbollayerv2utils.cpp.

◆ lineWidthScaleFactor()

double QgsSymbolLayerV2Utils::lineWidthScaleFactor	(	const QgsRenderContext &	c,
		QgsSymbolV2::OutputUnit	u,
		const QgsMapUnitScale &	scale = `QgsMapUnitScale()`
	)

static

Returns the line width scale factor depending on the unit and the paint device.

Consider using convertToPainterUnits() instead, as convertToPainterUnits() respects the size limits specified by the scale parameter.

Parameters

c	render context
u	units to convert from
scale	map unit scale, specifying limits for the map units to convert from

See also: convertToPainterUnits()

Definition at line 3393 of file qgssymbollayerv2utils.cpp.

◆ listSvgFiles()

QStringList QgsSymbolLayerV2Utils::listSvgFiles ( )

static

Return a list of all available svg files.

Definition at line 3703 of file qgssymbollayerv2utils.cpp.

◆ listSvgFilesAt()

QStringList QgsSymbolLayerV2Utils::listSvgFilesAt ( const QString & directory )

static

Return a list of svg files at the specified directory.

Definition at line 3727 of file qgssymbollayerv2utils.cpp.

◆ loadColorRamp()

QgsVectorColorRampV2 * QgsSymbolLayerV2Utils::loadColorRamp ( QDomElement & element )

static

Definition at line 2856 of file qgssymbollayerv2utils.cpp.

◆ loadSymbol() [1/2]

QgsSymbolV2 * QgsSymbolLayerV2Utils::loadSymbol ( const QDomElement & element )

static

Attempts to load a symbol from a DOM element.

Parameters

element DOM element representing symbol

Returns: decoded symbol, if possible

Definition at line 946 of file qgssymbollayerv2utils.cpp.

◆ loadSymbol() [2/2]

template<class SymbolType >

static SymbolType* QgsSymbolLayerV2Utils::loadSymbol ( const QDomElement & element )

inlinestatic

Attempts to load a symbol from a DOM element and cast it to a particular symbol type.

Parameters

element DOM element representing symbol

Returns: decoded symbol cast to specified type, if possible

Note: not available in python bindings

Definition at line 151 of file qgssymbollayerv2utils.h.

◆ loadSymbolLayer()

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::loadSymbolLayer ( QDomElement & element )

static

Definition at line 1022 of file qgssymbollayerv2utils.cpp.

◆ loadSymbols()

QgsSymbolV2Map QgsSymbolLayerV2Utils::loadSymbols ( QDomElement & element )

static

Definition at line 2757 of file qgssymbollayerv2utils.cpp.

◆ mapUnitScaleFactor()

double QgsSymbolLayerV2Utils::mapUnitScaleFactor	(	const QgsRenderContext &	c,
		QgsSymbolV2::OutputUnit	u,
		const QgsMapUnitScale &	scale = `QgsMapUnitScale()`
	)

static

Returns scale factor painter units -> map units.

Definition at line 3516 of file qgssymbollayerv2utils.cpp.

◆ mergeScaleDependencies()

void QgsSymbolLayerV2Utils::mergeScaleDependencies	(	int	mScaleMinDenom,
		int	mScaleMaxDenom,
		QgsStringMap &	props
	)

static

Merges the local scale limits, if any, with the ones already in the map, if any.

Note: added in 2.14

Definition at line 4211 of file qgssymbollayerv2utils.cpp.

◆ multiplyImageOpacity()

void QgsSymbolLayerV2Utils::multiplyImageOpacity	(	QImage *	image,
		qreal	alpha
	)

static

Multiplies opacity of image pixel values with a (global) transparency value.

Definition at line 3552 of file qgssymbollayerv2utils.cpp.

◆ needEllipseMarker()

bool QgsSymbolLayerV2Utils::needEllipseMarker ( QDomElement & element )

static

Definition at line 1431 of file qgssymbollayerv2utils.cpp.

◆ needFontMarker()

bool QgsSymbolLayerV2Utils::needFontMarker ( QDomElement & element )

static

Definition at line 1386 of file qgssymbollayerv2utils.cpp.

◆ needLinePatternFill()

bool QgsSymbolLayerV2Utils::needLinePatternFill ( QDomElement & element )

static

Definition at line 1462 of file qgssymbollayerv2utils.cpp.

◆ needMarkerLine()

bool QgsSymbolLayerV2Utils::needMarkerLine ( QDomElement & element )

static

Definition at line 1449 of file qgssymbollayerv2utils.cpp.

◆ needPointPatternFill()

bool QgsSymbolLayerV2Utils::needPointPatternFill ( QDomElement & element )

static

Definition at line 1500 of file qgssymbollayerv2utils.cpp.

◆ needSvgFill()

bool QgsSymbolLayerV2Utils::needSvgFill ( QDomElement & element )

static

Definition at line 1506 of file qgssymbollayerv2utils.cpp.

◆ needSvgMarker()

bool QgsSymbolLayerV2Utils::needSvgMarker ( QDomElement & element )

static

Definition at line 1426 of file qgssymbollayerv2utils.cpp.

◆ ogrFeatureStyleBrush()

QString QgsSymbolLayerV2Utils::ogrFeatureStyleBrush ( const QColor & fillColr )

static

Create ogr feature style string for brush.

Parameters

fillColr fill color

Definition at line 2495 of file qgssymbollayerv2utils.cpp.

◆ ogrFeatureStylePen()

QString QgsSymbolLayerV2Utils::ogrFeatureStylePen	(	double	width,
		double	mmScaleFactor,
		double	mapUnitsScaleFactor,
		const QColor &	c,
		Qt::PenJoinStyle	joinStyle = `Qt::MiterJoin`,
		Qt::PenCapStyle	capStyle = `Qt::FlatCap`,
		double	offset = `0.0`,
		const QVector< qreal > *	dashPattern = `nullptr`
	)

static

Create ogr feature style string for pen.

Definition at line 2421 of file qgssymbollayerv2utils.cpp.

◆ onlineResourceFromSldElement()

bool QgsSymbolLayerV2Utils::onlineResourceFromSldElement	(	QDomElement &	element,
		QString &	path,
		QString &	format
	)

static

Definition at line 2630 of file qgssymbollayerv2utils.cpp.

◆ opacityFromSldElement()

bool QgsSymbolLayerV2Utils::opacityFromSldElement	(	QDomElement &	element,
		QString &	alphaFunc
	)

static

Definition at line 2337 of file qgssymbollayerv2utils.cpp.

◆ parseColor()

QColor QgsSymbolLayerV2Utils::parseColor	(	const QString &	colorStr,
		bool	strictEval = `false`
	)

static

Attempts to parse a string as a color using a variety of common formats, including hex codes, rgb and rgba strings.

Parameters

colorStr	string representing the color
strictEval	set to true for stricter color parsing rules

Returns: parsed color

Note: added in 2.3

Definition at line 3270 of file qgssymbollayerv2utils.cpp.

◆ parseColorList()

QList< QColor > QgsSymbolLayerV2Utils::parseColorList ( const QString & colorStr )

static

Attempts to parse a string as a list of colors using a variety of common formats, including hex codes, rgb and rgba strings.

Parameters

colorStr string representing the color list

Returns: list of parsed colors

Note: added in 2.5

Definition at line 2901 of file qgssymbollayerv2utils.cpp.

◆ parseColorWithAlpha()

QColor QgsSymbolLayerV2Utils::parseColorWithAlpha	(	const QString &	colorStr,
		bool &	containsAlpha,
		bool	strictEval = `false`
	)

static

Attempts to parse a string as a color using a variety of common formats, including hex codes, rgb and rgba strings.

Parameters

colorStr	string representing the color
containsAlpha	if colorStr contains an explicit alpha value then containsAlpha will be set to true
strictEval	set to true for stricter color parsing rules

Returns: parsed color

Note: added in 2.3

Definition at line 3276 of file qgssymbollayerv2utils.cpp.

◆ parseProperties()

QgsStringMap QgsSymbolLayerV2Utils::parseProperties ( QDomElement & element )

static

Definition at line 2724 of file qgssymbollayerv2utils.cpp.

◆ pixelSizeScaleFactor()

double QgsSymbolLayerV2Utils::pixelSizeScaleFactor	(	const QgsRenderContext &	c,
		QgsSymbolV2::OutputUnit	u,
		const QgsMapUnitScale &	scale = `QgsMapUnitScale()`
	)

static

Returns scale factor painter units -> pixel dimensions.

Definition at line 3488 of file qgssymbollayerv2utils.cpp.

◆ pointInPolygon()

bool QgsSymbolLayerV2Utils::pointInPolygon	(	const QPolygonF &	points,
		QPointF	point
	)

static

Calculate whether a point is within of a QPolygonF.

Definition at line 3920 of file qgssymbollayerv2utils.cpp.

◆ pointOnLineWithDistance()

QPointF QgsSymbolLayerV2Utils::pointOnLineWithDistance	(	QPointF	startPoint,
		QPointF	directionPoint,
		double	distance
	)

static

Returns a point on the line from startPoint to directionPoint that is a certain distance away from the starting point.

Definition at line 3693 of file qgssymbollayerv2utils.cpp.

◆ polygonCentroid()

QPointF QgsSymbolLayerV2Utils::polygonCentroid ( const QPolygonF & points )

static

Calculate the centroid point of a QPolygonF.

Definition at line 3857 of file qgssymbollayerv2utils.cpp.

◆ polygonPointOnSurface()

QPointF QgsSymbolLayerV2Utils::polygonPointOnSurface ( const QPolygonF & points )

static

Calculate a point within of a QPolygonF.

Definition at line 3889 of file qgssymbollayerv2utils.cpp.

◆ premultiplyColor()

void QgsSymbolLayerV2Utils::premultiplyColor	(	QColor &	rgb,
		int	alpha
	)

static

Converts a QColor into a premultiplied ARGB QColor value using a specified alpha value.

Note: added in 2.3

Definition at line 3658 of file qgssymbollayerv2utils.cpp.

◆ prettyBreaks()

QList< double > QgsSymbolLayerV2Utils::prettyBreaks	(	double	minimum,
		double	maximum,
		int	classes
	)

static

Computes a sequence of about 'classes' equally spaced round values which cover the range of values from 'minimum' to 'maximum'.

The values are chosen so that they are 1, 2 or 5 times a power of 10.

Note: added in 2.10

Definition at line 3972 of file qgssymbollayerv2utils.cpp.

◆ rescaleUom() [1/3]

double QgsSymbolLayerV2Utils::rescaleUom	(	double	size,
		QgsSymbolV2::OutputUnit	unit,
		const QgsStringMap &	props
	)

static

Rescales the given size based on the uomScale found in the props, if any is found, otherwise returns the value un-modified.

Note: added in 2.14

Definition at line 4117 of file qgssymbollayerv2utils.cpp.

◆ rescaleUom() [2/3]

QPointF QgsSymbolLayerV2Utils::rescaleUom	(	const QPointF &	point,
		QgsSymbolV2::OutputUnit	unit,
		const QgsStringMap &	props
	)

static

Rescales the given point based on the uomScale found in the props, if any is found, otherwise returns a copy of the original point.

Note: added in 2.14

Definition at line 4176 of file qgssymbollayerv2utils.cpp.

◆ rescaleUom() [3/3]

QVector< qreal > QgsSymbolLayerV2Utils::rescaleUom	(	const QVector< qreal > &	array,
		QgsSymbolV2::OutputUnit	unit,
		const QgsStringMap &	props
	)

static

Rescales the given array based on the uomScale found in the props, if any is found, otherwise returns a copy of the original point.

Note: added in 2.14

Definition at line 4183 of file qgssymbollayerv2utils.cpp.

◆ rotationFromSldElement()

bool QgsSymbolLayerV2Utils::rotationFromSldElement	(	QDomElement &	element,
		QString &	rotationFunc
	)

static

Definition at line 2316 of file qgssymbollayerv2utils.cpp.

◆ saveColorRamp()

QDomElement QgsSymbolLayerV2Utils::saveColorRamp	(	const QString &	name,
		QgsVectorColorRampV2 *	ramp,
		QDomDocument &	doc
	)

static

Definition at line 2879 of file qgssymbollayerv2utils.cpp.

◆ saveColorsToGpl()

bool QgsSymbolLayerV2Utils::saveColorsToGpl	(	QFile &	file,
		const QString &	paletteName,
		const QgsNamedColorList &	colors
	)

static

Exports colors to a gpl GIMP palette file.

Parameters

file	destination file
paletteName	name of palette, which is stored in gpl file
colors	colors to export

Returns: true if export was successful

See also: importColorsFromGpl

Definition at line 3154 of file qgssymbollayerv2utils.cpp.

◆ saveProperties()

void QgsSymbolLayerV2Utils::saveProperties	(	QgsStringMap	props,
		QDomDocument &	doc,
		QDomElement &	element
	)

static

Definition at line 2746 of file qgssymbollayerv2utils.cpp.

◆ saveSymbol()

QDomElement QgsSymbolLayerV2Utils::saveSymbol	(	const QString &	symbolName,
		QgsSymbolV2 *	symbol,
		QDomDocument &	doc
	)

static

Definition at line 1068 of file qgssymbollayerv2utils.cpp.

◆ saveSymbols()

QDomElement QgsSymbolLayerV2Utils::saveSymbols	(	QgsSymbolV2Map &	symbols,
		const QString &	tagName,
		QDomDocument &	doc
	)

static

Definition at line 2835 of file qgssymbollayerv2utils.cpp.

◆ sizeInPixelsFromSldUom()

double QgsSymbolLayerV2Utils::sizeInPixelsFromSldUom	(	const QString &	uom,
		double	size
	)

static

Returns the size scaled in pixels according to the uom attribute.

Parameters

uom	The uom attribute from SLD 1.1 version
size	The original size

Returns: the size in pixels

Note: added in QGIS 2.18 and 3.0

Definition at line 4234 of file qgssymbollayerv2utils.cpp.

◆ sortVariantList()

void QgsSymbolLayerV2Utils::sortVariantList	(	QList< QVariant > &	list,
		Qt::SortOrder	order
	)

static

Sorts the passed list in requested order.

Definition at line 3679 of file qgssymbollayerv2utils.cpp.

◆ symbolLayerPreviewIcon()

QIcon QgsSymbolLayerV2Utils::symbolLayerPreviewIcon	(	QgsSymbolLayerV2 *	layer,
		QgsSymbolV2::OutputUnit	u,
		QSize	size,
		const QgsMapUnitScale &	scale = `QgsMapUnitScale()`
	)

static

Definition at line 642 of file qgssymbollayerv2utils.cpp.

◆ symbolLayerPreviewPicture()

QPicture QgsSymbolLayerV2Utils::symbolLayerPreviewPicture	(	QgsSymbolLayerV2 *	layer,
		QgsSymbolV2::OutputUnit	units,
		QSize	size,
		const QgsMapUnitScale &	scale = `QgsMapUnitScale()`
	)

static

Draws a symbol layer preview to a QPicture.

Parameters

layer	symbol layer to draw
units	size units
size	target size of preview picture
scale	map unit scale for preview

Returns: QPicture containing symbol layer preview

Note: added in QGIS 2.9

Definition at line 628 of file qgssymbollayerv2utils.cpp.

◆ symbolNameToPath()

QString QgsSymbolLayerV2Utils::symbolNameToPath ( QString name )

static

Get symbol's path from its name.

If the name is not absolute path the file is searched in SVG paths specified in settings svg/searchPathsForSVG.

Definition at line 3752 of file qgssymbollayerv2utils.cpp.

◆ symbolPathToName()

QString QgsSymbolLayerV2Utils::symbolPathToName ( QString path )

static

Get symbols's name from its path.

Definition at line 3826 of file qgssymbollayerv2utils.cpp.

◆ symbolPreviewIcon()

QIcon QgsSymbolLayerV2Utils::symbolPreviewIcon	(	QgsSymbolV2 *	symbol,
		QSize	size
	)

static

Definition at line 594 of file qgssymbollayerv2utils.cpp.

◆ symbolPreviewPixmap()

QPixmap QgsSymbolLayerV2Utils::symbolPreviewPixmap	(	QgsSymbolV2 *	symbol,
		QSize	size,
		QgsRenderContext *	customContext = `nullptr`
	)

static

Note: customContext parameter added in 2.6

Definition at line 599 of file qgssymbollayerv2utils.cpp.

◆ symbolProperties()

QString QgsSymbolLayerV2Utils::symbolProperties ( QgsSymbolV2 * symbol )

static

Returns a string representing the symbol.

Can be used to test for equality between symbols.

Note: added in QGIS 2.12

Definition at line 1102 of file qgssymbollayerv2utils.cpp.

◆ wellKnownMarkerFromSld() [1/2]

bool QgsSymbolLayerV2Utils::wellKnownMarkerFromSld	(	QDomElement &	element,
		QString &	name,
		QColor &	color,
		QColor &	borderColor,
		double &	borderWidth,
		double &	size
	)

static

Deprecated:: Use wellKnownMarkerFromSld( QDomElement &element, QString &name, QColor &color, QColor &borderColor, Qt::PenStyle &borderStyle, double &borderWidth, double &size ) instead

Definition at line 2251 of file qgssymbollayerv2utils.cpp.

◆ wellKnownMarkerFromSld() [2/2]

bool QgsSymbolLayerV2Utils::wellKnownMarkerFromSld	(	QDomElement &	element,
		QString &	name,
		QColor &	color,
		QColor &	borderColor,
		Qt::PenStyle &	borderStyle,
		double &	borderWidth,
		double &	size
	)

static

Note: available in python as wellKnownMarkerFromSld2

Definition at line 2259 of file qgssymbollayerv2utils.cpp.

◆ wellKnownMarkerToSld() [1/2]

void QgsSymbolLayerV2Utils::wellKnownMarkerToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	name,
		const QColor &	color,
		const QColor &	borderColor = `QColor()`,
		double	borderWidth = `-1`,
		double	size = `-1`
	)

static

Deprecated:: Use wellKnownMarkerToSld( QDomDocument &doc, QDomElement &element, QString name, QColor color, QColor borderColor, Qt::PenStyle borderStyle, double borderWidth, double size ) instead

Definition at line 2208 of file qgssymbollayerv2utils.cpp.

◆ wellKnownMarkerToSld() [2/2]

void QgsSymbolLayerV2Utils::wellKnownMarkerToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		const QString &	name,
		const QColor &	color,
		const QColor &	borderColor,
		Qt::PenStyle	borderStyle,
		double	borderWidth = `-1`,
		double	size = `-1`
	)

static

Definition at line 2215 of file qgssymbollayerv2utils.cpp.

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

/tmp/buildd/qgis-2.18.21+99unstable/src/core/symbology-ng/qgssymbollayerv2utils.h
/tmp/buildd/qgis-2.18.21+99unstable/src/core/symbology-ng/qgssymbollayerv2utils.cpp

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ applyScaleDependency()

◆ blurImageInPlace()

◆ clearSymbolMap()

◆ colorFromMimeData()

◆ colorListFromMimeData()

◆ colorListToMimeData()

◆ colorRampPreviewIcon()

◆ colorRampPreviewPixmap()

◆ colorToMimeData()

◆ colorToName()

◆ convertPolygonSymbolizerToPointMarker()

◆ convertToMapUnits()

◆ convertToPainterUnits()

◆ createDisplacementElement()

◆ createExpressionElement()

◆ createFillLayerFromSld()

◆ createFunctionElement()

◆ createGeometryElement()

◆ createLineLayerFromSld()

◆ createMarkerLayerFromSld()

◆ createOnlineResourceElement()

◆ createOpacityElement()

◆ createRenderContext()

◆ createRotationElement()

◆ createSvgParameterElement()

◆ createSymbolLayerV2ListFromSld()

◆ createVendorOptionElement()

◆ decodeBlendMode()

◆ decodeBrushStyle()

◆ decodeColor()

◆ decodeMapUnitScale()

◆ decodeOutputUnit()

◆ decodePenCapStyle()

◆ decodePenJoinStyle()

◆ decodePenStyle()

◆ decodePoint()

◆ decodeRealVector()

◆ decodeScaleMethod()

◆ decodeSldAlpha()

◆ decodeSldBrushStyle()

◆ decodeSldFontStyle()

◆ decodeSldFontWeight()

◆ decodeSldLineCapStyle()

◆ decodeSldLineJoinStyle()

◆ decodeSldRealVector()

◆ decodeSldUom()

◆ displacementFromSldElement()

◆ drawStippledBackground()

◆ encodeBrushStyle()

◆ encodeColor()

◆ encodeMapUnitScale()

◆ encodeOutputUnit()

◆ encodePenCapStyle()

◆ encodePenJoinStyle()

◆ encodePenStyle()

◆ encodePoint()

◆ encodeRealVector()

◆ encodeScaleMethod()

◆ encodeSldAlpha()

◆ encodeSldBrushStyle()

◆ encodeSldFontStyle()

◆ encodeSldFontWeight()

◆ encodeSldLineCapStyle()

◆ encodeSldLineJoinStyle()

◆ encodeSldRealVector()

◆ encodeSldUom()

◆ estimateMaxSymbolBleed()

◆ externalGraphicFromSld()

◆ externalGraphicToSld()

◆ externalMarkerFromSld()

◆ externalMarkerToSld()

◆ fieldOrExpressionFromExpression()

◆ fieldOrExpressionToExpression()

◆ fillFromSld()

◆ fillToSld()

◆ functionFromSldElement()

◆ geometryFromSldElement()