#include <qgssymbollayerv2utils.h>

Static Public Member Functions
static void	blurImageInPlace (QImage &image, const QRect &rect, int radius, bool alphaOnly)
	Blurs an image in place, e.g.
static void	clearSymbolMap (QgsSymbolV2Map &symbols)
static QColor	colorFromMimeData (const QMimeData *data, bool &hasAlpha)
	Attempts to parse mime data as a color.
static QgsNamedColorList	colorListFromMimeData (const QMimeData *data)
	Attempts to parse mime data as a list of named colors.
static QMimeData *	colorListToMimeData (const QgsNamedColorList colorList, const bool allFormats=true)
	Creates mime data from a list of named colors.
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.
static QString	colorToName (const QColor &color)
	Returns a friendly display name for a color.
static bool	convertPolygonSymbolizerToPointMarker (QDomElement &element, QgsSymbolLayerV2List &layerList)
static void	createDisplacementElement (QDomDocument &doc, QDomElement &element, QPointF offset)
static QgsSymbolLayerV2 *	createFillLayerFromSld (QDomElement &element)
static bool	createFunctionElement (QDomDocument &doc, QDomElement &element, QString function)
static void	createGeometryElement (QDomDocument &doc, QDomElement &element, QString geomFunc)
static QgsSymbolLayerV2 *	createLineLayerFromSld (QDomElement &element)
static QgsSymbolLayerV2 *	createMarkerLayerFromSld (QDomElement &element)
static void	createOnlineResourceElement (QDomDocument &doc, QDomElement &element, QString path, QString format)
static void	createOpacityElement (QDomDocument &doc, QDomElement &element, QString alphaFunc)
static QgsRenderContext	createRenderContext (QPainter *p)
	Creates a render context for a pixel based device.
static void	createRotationElement (QDomDocument &doc, QDomElement &element, QString rotationFunc)
static QDomElement	createSvgParameterElement (QDomDocument &doc, QString name, QString value)
static bool	createSymbolLayerV2ListFromSld (QDomElement &element, QGis::GeometryType geomType, QgsSymbolLayerV2List &layers)
static QDomElement	createVendorOptionElement (QDomDocument &doc, QString name, QString value)
static QPainter::CompositionMode	decodeBlendMode (const QString &s)
static Qt::BrushStyle	decodeBrushStyle (QString str)
static QColor	decodeColor (QString str)
static QgsMapUnitScale	decodeMapUnitScale (const QString &str)
static QgsSymbolV2::OutputUnit	decodeOutputUnit (QString str)
static Qt::PenCapStyle	decodePenCapStyle (QString str)
static Qt::PenJoinStyle	decodePenJoinStyle (QString str)
static Qt::PenStyle	decodePenStyle (QString str)
static QPointF	decodePoint (QString str)
static QVector< qreal >	decodeRealVector (const QString &s)
static QgsSymbolV2::ScaleMethod	decodeScaleMethod (QString str)
static int	decodeSldAlpha (QString str)
static Qt::BrushStyle	decodeSldBrushStyle (QString str)
static QFont::Style	decodeSldFontStyle (QString str)
static int	decodeSldFontWeight (QString str)
static Qt::PenCapStyle	decodeSldLineCapStyle (QString str)
static Qt::PenJoinStyle	decodeSldLineJoinStyle (QString str)
static QVector< qreal >	decodeSldRealVector (const QString &s)
static QgsSymbolV2::OutputUnit	decodeSldUom (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 (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.
static bool	externalGraphicFromSld (QDomElement &element, QString &path, QString &mime, QColor &color, double &size)
static void	externalGraphicToSld (QDomDocument &doc, QDomElement &element, QString path, QString mime, 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, QString path, QString format, int *markIndex=0, 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 .
static QgsExpression *	fieldOrExpressionToExpression (const QString &fieldOrExpression)
	Return a new valid expression instance for given field or expression string.
static bool	fillFromSld (QDomElement &element, Qt::BrushStyle &brushStyle, QColor &color)
static void	fillToSld (QDomDocument &doc, QDomElement &element, Qt::BrushStyle brushStyle, 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.
static void	labelTextToSld (QDomDocument &doc, QDomElement &element, QString label, QFont font, QColor color=QColor(), double size=-1)
static bool	lineFromSld (QDomElement &element, Qt::PenStyle &penStyle, QColor &color, double &width, Qt::PenJoinStyle penJoinStyle=0, Qt::PenCapStyle penCapStyle=0, QVector< qreal > customDashPattern=0, double dashOffset=0)
static void	lineToSld (QDomDocument &doc, QDomElement &element, Qt::PenStyle penStyle, QColor color, double width=-1, const Qt::PenJoinStyle penJoinStyle=0, const Qt::PenCapStyle penCapStyle=0, const QVector< qreal > *customDashPattern=0, 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.
static QStringList	listSvgFiles ()
	Return a list of all available svg files.
static QStringList	listSvgFilesAt (QString directory)
	Return a list of svg files at the specified directory.
static QgsVectorColorRampV2 *	loadColorRamp (QDomElement &element)
static QgsSymbolV2 *	loadSymbol (const QDomElement &element)
	Attempts to load a symbol from a DOM element.
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.
static QgsSymbolLayerV2 *	loadSymbolLayer (QDomElement &element)
static QgsSymbolV2Map	loadSymbols (QDomElement &element)
static void	multiplyImageOpacity (QImage *image, qreal alpha)
	Multiplies opacity of image pixel values with a (global) transparency value.
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.
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=0)
	Create ogr feature style string for pen.
static bool	onlineResourceFromSldElement (QDomElement &element, QString &path, QString &format)
static bool	opacityFromSldElement (QDomElement &element, QString &alphaFunc)
static QColor	parseColor (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.
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.
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.
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.
static bool	pointInPolygon (const QPolygonF &points, const QPointF &point)
	Calculate whether a point is within of a QPolygonF.
static QPointF	pointOnLineWithDistance (const QPointF &startPoint, const QPointF &directionPoint, double distance)
	Returns a point on the line from startPoint to directionPoint that is a certain distance away from the starting point.
static QPointF	polygonCentroid (const QPolygonF &points)
	Calculate the centroid point of a QPolygonF.
static QPointF	polygonPointOnSurface (const QPolygonF &points)
	Calculate a point within of a QPolygonF.
static void	premultiplyColor (QColor &rgb, int alpha)
	Converts a QColor into a premultiplied ARGB QColor value using a specified alpha value.
static bool	rotationFromSldElement (QDomElement &element, QString &rotationFunc)
static QDomElement	saveColorRamp (QString name, QgsVectorColorRampV2 *ramp, QDomDocument &doc)
static bool	saveColorsToGpl (QFile &file, const QString paletteName, QgsNamedColorList colors)
	Exports colors to a gpl GIMP palette file.
static void	saveProperties (QgsStringMap props, QDomDocument &doc, QDomElement &element)
static QDomElement	saveSymbol (QString symbolName, QgsSymbolV2 *symbol, QDomDocument &doc)
static QDomElement	saveSymbols (QgsSymbolV2Map &symbols, QString tagName, QDomDocument &doc)
static void	sortVariantList (QList< QVariant > &list, Qt::SortOrder order)
	Sorts the passed list in requested order.
static QIcon	symbolLayerPreviewIcon (QgsSymbolLayerV2 *layer, QgsSymbolV2::OutputUnit u, QSize size, const QgsMapUnitScale &scale=QgsMapUnitScale())
static QString	symbolNameToPath (QString name)
	Get symbol's path from its name.
static QString	symbolPathToName (QString path)
	Get symbols's name from its path.
static QIcon	symbolPreviewIcon (QgsSymbolV2 *symbol, QSize size)
static QPixmap	symbolPreviewPixmap (QgsSymbolV2 symbol, QSize size, QgsRenderContext customContext=0)
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, QString name, QColor color, QColor borderColor=QColor(), double borderWidth=-1, double size=-1)
static void	wellKnownMarkerToSld (QDomDocument &doc, QDomElement &element, QString name, QColor color, QColor borderColor, Qt::PenStyle borderStyle, double borderWidth=-1, double size=-1)

Detailed Description

Definition at line 45 of file qgssymbollayerv2utils.h.

Member Function Documentation

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

static

Blurs an image in place, e.g.

creating Qt-independent drop shadows

Definition at line 3334 of file qgssymbollayerv2utils.cpp.

void QgsSymbolLayerV2Utils::clearSymbolMap ( QgsSymbolV2Map & symbols )

static

Definition at line 2698 of file qgssymbollayerv2utils.cpp.

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 2830 of file qgssymbollayerv2utils.cpp.

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 2852 of file qgssymbollayerv2utils.cpp.

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 2965 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 574 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 579 of file qgssymbollayerv2utils.cpp.

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 2820 of file qgssymbollayerv2utils.cpp.

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 2741 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 1402 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2229 of file qgssymbollayerv2utils.cpp.

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::createFillLayerFromSld ( QDomElement & element )

static

Definition at line 1144 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2430 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2387 of file qgssymbollayerv2utils.cpp.

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::createLineLayerFromSld ( QDomElement & element )

static

Definition at line 1167 of file qgssymbollayerv2utils.cpp.

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::createMarkerLayerFromSld ( QDomElement & element )

static

Definition at line 1186 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2481 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2209 of file qgssymbollayerv2utils.cpp.

QgsRenderContext QgsSymbolLayerV2Utils::createRenderContext ( QPainter * p )

static

Creates a render context for a pixel based device.

Definition at line 3288 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2188 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2515 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 996 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2545 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 509 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 250 of file qgssymbollayerv2utils.cpp.

QColor QgsSymbolLayerV2Utils::decodeColor ( QString str )

static

Definition at line 47 of file qgssymbollayerv2utils.cpp.

QgsMapUnitScale QgsSymbolLayerV2Utils::decodeMapUnitScale ( const QString & str )

static

Definition at line 334 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 357 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 200 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 162 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 140 of file qgssymbollayerv2utils.cpp.

QPointF QgsSymbolLayerV2Utils::decodePoint ( QString str )

static

Definition at line 321 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 434 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 493 of file qgssymbollayerv2utils.cpp.

int QgsSymbolLayerV2Utils::decodeSldAlpha ( QString str )

static

Definition at line 71 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 301 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 93 of file qgssymbollayerv2utils.cpp.

int QgsSymbolLayerV2Utils::decodeSldFontWeight ( QString str )

static

Definition at line 113 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 219 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 181 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 463 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 397 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2247 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 602 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 227 of file qgssymbollayerv2utils.cpp.

QString QgsSymbolLayerV2Utils::encodeColor ( QColor color )

static

Definition at line 42 of file qgssymbollayerv2utils.cpp.

QString QgsSymbolLayerV2Utils::encodeMapUnitScale ( const QgsMapUnitScale & mapUnitScale )

static

Definition at line 329 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 342 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 189 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 151 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 126 of file qgssymbollayerv2utils.cpp.

QString QgsSymbolLayerV2Utils::encodePoint ( QPointF point )

static

Definition at line 316 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 419 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 477 of file qgssymbollayerv2utils.cpp.

QString QgsSymbolLayerV2Utils::encodeSldAlpha ( int alpha )

static

Definition at line 66 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 270 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 82 of file qgssymbollayerv2utils.cpp.

QString QgsSymbolLayerV2Utils::encodeSldFontWeight ( int weight )

static

Definition at line 101 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 208 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 170 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 448 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 376 of file qgssymbollayerv2utils.cpp.

double QgsSymbolLayerV2Utils::estimateMaxSymbolBleed ( QgsSymbolV2 * symbol )

static

Returns the maximum estimated bleed for the symbol.

Definition at line 547 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 1991 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 1971 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2046 of file qgssymbollayerv2utils.cpp.

void QgsSymbolLayerV2Utils::externalMarkerToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		QString	path,
		QString	format,
		int *	markIndex = `0`,
		QColor	color = `QColor()`,
		double	size = `-1`
	)

static

Definition at line 2016 of file qgssymbollayerv2utils.cpp.

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 3749 of file qgssymbollayerv2utils.cpp.

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 3733 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 1709 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 1658 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2445 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2421 of file qgssymbollayerv2utils.cpp.

QgsStringMap QgsSymbolLayerV2Utils::getSvgParameterList ( QDomElement & element )

static

Definition at line 2523 of file qgssymbollayerv2utils.cpp.

QgsStringMap QgsSymbolLayerV2Utils::getVendorOptionList ( QDomElement & element )

static

Definition at line 2553 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::hasExternalGraphic ( QDomElement & element )

static

Definition at line 1209 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::hasWellKnownMark ( QDomElement & element )

static

Definition at line 1250 of file qgssymbollayerv2utils.cpp.

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 3041 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2276 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::lineFromSld	(	QDomElement &	element,
		Qt::PenStyle &	penStyle,
		QColor &	color,
		double &	width,
		Qt::PenJoinStyle *	penJoinStyle = `0`,
		Qt::PenCapStyle *	penCapStyle = `0`,
		QVector< qreal > *	customDashPattern = `0`,
		double *	dashOffset = `0`
	)

static

Definition at line 1840 of file qgssymbollayerv2utils.cpp.

void QgsSymbolLayerV2Utils::lineToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		Qt::PenStyle	penStyle,
		QColor	color,
		double	width = `-1`,
		const Qt::PenJoinStyle *	penJoinStyle = `0`,
		const Qt::PenCapStyle *	penCapStyle = `0`,
		const QVector< qreal > *	customDashPattern = `0`,
		double	dashOffset = `0.0`
	)

static

Note: not available in python bindings

Definition at line 1763 of file qgssymbollayerv2utils.cpp.

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.

Definition at line 3243 of file qgssymbollayerv2utils.cpp.

QStringList QgsSymbolLayerV2Utils::listSvgFiles ( )

static

Return a list of all available svg files.

Definition at line 3489 of file qgssymbollayerv2utils.cpp.

QStringList QgsSymbolLayerV2Utils::listSvgFilesAt ( QString directory )

static

Return a list of svg files at the specified directory.

Definition at line 3513 of file qgssymbollayerv2utils.cpp.

QgsVectorColorRampV2 * QgsSymbolLayerV2Utils::loadColorRamp ( QDomElement & element )

static

Definition at line 2708 of file qgssymbollayerv2utils.cpp.

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 855 of file qgssymbollayerv2utils.cpp.

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 130 of file qgssymbollayerv2utils.h.

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::loadSymbolLayer ( QDomElement & element )

static

Definition at line 930 of file qgssymbollayerv2utils.cpp.

QgsSymbolV2Map QgsSymbolLayerV2Utils::loadSymbols ( QDomElement & element )

static

Definition at line 2606 of file qgssymbollayerv2utils.cpp.

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

static

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

Definition at line 3304 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::needEllipseMarker ( QDomElement & element )

static

Definition at line 1313 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::needFontMarker ( QDomElement & element )

static

Definition at line 1268 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::needLinePatternFill ( QDomElement & element )

static

Definition at line 1344 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::needMarkerLine ( QDomElement & element )

static

Definition at line 1331 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::needPointPatternFill ( QDomElement & element )

static

Definition at line 1382 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::needSvgFill ( QDomElement & element )

static

Definition at line 1388 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::needSvgMarker ( QDomElement & element )

static

Definition at line 1308 of file qgssymbollayerv2utils.cpp.

QString QgsSymbolLayerV2Utils::ogrFeatureStyleBrush ( const QColor & fillColr )

static

Create ogr feature style string for brush.

Parameters

fillColr fill color

Definition at line 2377 of file qgssymbollayerv2utils.cpp.

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 = `0`
	)

static

Create ogr feature style string for pen.

Definition at line 2303 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2496 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2219 of file qgssymbollayerv2utils.cpp.

QColor QgsSymbolLayerV2Utils::parseColor	(	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 3122 of file qgssymbollayerv2utils.cpp.

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 2753 of file qgssymbollayerv2utils.cpp.

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 3128 of file qgssymbollayerv2utils.cpp.

QgsStringMap QgsSymbolLayerV2Utils::parseProperties ( QDomElement & element )

static

Definition at line 2573 of file qgssymbollayerv2utils.cpp.

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

static

Returns scale factor painter units -> pixel dimensions.

Definition at line 3264 of file qgssymbollayerv2utils.cpp.

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

static

Calculate whether a point is within of a QPolygonF.

Definition at line 3707 of file qgssymbollayerv2utils.cpp.

QPointF QgsSymbolLayerV2Utils::pointOnLineWithDistance	(	const QPointF &	startPoint,
		const 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 3479 of file qgssymbollayerv2utils.cpp.

QPointF QgsSymbolLayerV2Utils::polygonCentroid ( const QPolygonF & points )

static

Calculate the centroid point of a QPolygonF.

Definition at line 3644 of file qgssymbollayerv2utils.cpp.

QPointF QgsSymbolLayerV2Utils::polygonPointOnSurface ( const QPolygonF & points )

static

Calculate a point within of a QPolygonF.

Definition at line 3676 of file qgssymbollayerv2utils.cpp.

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 3410 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2198 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2731 of file qgssymbollayerv2utils.cpp.

bool QgsSymbolLayerV2Utils::saveColorsToGpl	(	QFile &	file,
		const QString	paletteName,
		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 3006 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2595 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 965 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2684 of file qgssymbollayerv2utils.cpp.

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

static

Sorts the passed list in requested order.

Definition at line 3465 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 560 of file qgssymbollayerv2utils.cpp.

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 3538 of file qgssymbollayerv2utils.cpp.

QString QgsSymbolLayerV2Utils::symbolPathToName ( QString path )

static

Get symbols's name from its path.

Definition at line 3613 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 526 of file qgssymbollayerv2utils.cpp.

QPixmap QgsSymbolLayerV2Utils::symbolPreviewPixmap	(	QgsSymbolV2 *	symbol,
		QSize	size,
		QgsRenderContext *	customContext = `0`
	)

static

Note: customContext parameter added in 2.6

Definition at line 531 of file qgssymbollayerv2utils.cpp.

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 2133 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2141 of file qgssymbollayerv2utils.cpp.

void QgsSymbolLayerV2Utils::wellKnownMarkerToSld	(	QDomDocument &	doc,
		QDomElement &	element,
		QString	name,
		QColor	color,
		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 2090 of file qgssymbollayerv2utils.cpp.

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

static

Definition at line 2097 of file qgssymbollayerv2utils.cpp.

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

/tmp/buildd/qgis-2.8.2+12wheezy/src/core/symbology-ng/qgssymbollayerv2utils.h
/tmp/buildd/qgis-2.8.2+12wheezy/src/core/symbology-ng/qgssymbollayerv2utils.cpp

Static Public Member Functions

Detailed Description

Member Function Documentation