#include <qgsfillsymbollayerv2.h>

Inheritance diagram for QgsGradientFillSymbolLayerV2:

Collaboration diagram for QgsGradientFillSymbolLayerV2:

Public Types
enum	GradientColorType { SimpleTwoColor, ColorRamp }
enum	GradientType { Linear, Radial, Conical }
enum	GradientCoordinateMode { Feature, Viewport }
enum	GradientSpread { Pad, Reflect, Repeat }

Public Member Functions
	QgsGradientFillSymbolLayerV2 (QColor color=DEFAULT_SIMPLEFILL_COLOR, QColor color2=Qt::white, GradientColorType gradientColorType=SimpleTwoColor, GradientType gradientType=Linear, GradientCoordinateMode coordinateMode=Feature, GradientSpread gradientSpread=Pad)
virtual	~QgsGradientFillSymbolLayerV2 ()
QString	layerType () const
void	startRender (QgsSymbolV2RenderContext &context)
void	stopRender (QgsSymbolV2RenderContext &context)
void	renderPolygon (const QPolygonF &points, QList< QPolygonF > *rings, QgsSymbolV2RenderContext &context)
QgsStringMap	properties () const
QgsSymbolLayerV2 *	clone () const
double	estimateMaxBleed () const
	Returns the estimated maximum distance which the layer style will bleed outside the drawn shape.
GradientType	gradientType () const
	Type of gradient, eg linear or radial.
void	setGradientType (GradientType gradientType)
GradientColorType	gradientColorType () const
	Gradient color mode, controls how gradient color stops are created.
void	setGradientColorType (GradientColorType gradientColorType)
QgsVectorColorRampV2 *	colorRamp ()
	Color ramp used for the gradient fill, only used if the gradient color type is set to ColorRamp.
void	setColorRamp (QgsVectorColorRampV2 *ramp)
QColor	color2 () const
	Color for endpoint of gradient, only used if the gradient color type is set to SimpleTwoColor.
void	setColor2 (QColor color2)
GradientCoordinateMode	coordinateMode () const
	Coordinate mode for gradient.
void	setCoordinateMode (GradientCoordinateMode coordinateMode)
GradientSpread	gradientSpread () const
	Gradient spread mode.
void	setGradientSpread (GradientSpread gradientSpread)
void	setReferencePoint1 (QPointF referencePoint)
	Starting point of gradient fill, in the range [0,0] - [1,1].
QPointF	referencePoint1 () const
void	setReferencePoint1IsCentroid (bool isCentroid)
	Sets the starting point of the gradient to be the feature centroid.
bool	referencePoint1IsCentroid () const
void	setReferencePoint2 (QPointF referencePoint)
	End point of gradient fill, in the range [0,0] - [1,1].
QPointF	referencePoint2 () const
void	setReferencePoint2IsCentroid (bool isCentroid)
	Sets the end point of the gradient to be the feature centroid.
bool	referencePoint2IsCentroid () const
void	setAngle (double angle)
	Rotation angle for gradient fill.
double	angle () const
void	setOffset (QPointF offset)
	Offset for gradient fill.
QPointF	offset () const
void	setOffsetUnit (QgsSymbolV2::OutputUnit unit)
	Units for gradient fill offset.
QgsSymbolV2::OutputUnit	offsetUnit () const
Public Member Functions inherited from QgsFillSymbolLayerV2
void	drawPreviewIcon (QgsSymbolV2RenderContext &context, QSize size)
Public Member Functions inherited from QgsSymbolLayerV2
virtual QColor	color () const
virtual void	setColor (const QColor &color)
virtual void	setOutlineColor (const QColor &color)
	Set outline color.
virtual QColor	outlineColor () const
	Get outline color.
virtual void	setFillColor (const QColor &color)
	Set fill color.
virtual QColor	fillColor () const
	Get fill color.
virtual	~QgsSymbolLayerV2 ()
virtual void	toSld (QDomDocument &doc, QDomElement &element, QgsStringMap props) const
virtual QString	ogrFeatureStyle (double mmScaleFactor, double mapUnitScaleFactor) const
virtual QgsSymbolV2 *	subSymbol ()
virtual bool	setSubSymbol (QgsSymbolV2 *symbol)
QgsSymbolV2::SymbolType	type () const
void	setLocked (bool locked)
bool	isLocked () const
virtual void	setOutputUnit (QgsSymbolV2::OutputUnit unit)
virtual QgsSymbolV2::OutputUnit	outputUnit () const
void	setRenderingPass (int renderingPass)
int	renderingPass () const
virtual QSet< QString >	usedAttributes () const
virtual const QgsExpression *	dataDefinedProperty (const QString &property) const
virtual QString	dataDefinedPropertyString (const QString &property) const
virtual void	setDataDefinedProperty (const QString &property, const QString &expressionString)
virtual void	removeDataDefinedProperty (const QString &property)
virtual void	removeDataDefinedProperties ()
bool	hasDataDefinedProperties () const
virtual bool	writeDxf (QgsDxfExport &e, double mmMapUnitScaleFactor, const QString &layerName, const QgsSymbolV2RenderContext context, const QgsFeature f, const QPointF &shift=QPointF(0.0, 0.0)) const
virtual double	dxfWidth (const QgsDxfExport &e, const QgsSymbolV2RenderContext &context) const
virtual QColor	dxfColor (const QgsSymbolV2RenderContext &context) const
virtual QVector< qreal >	dxfCustomDashPattern (QgsSymbolV2::OutputUnit &unit) const
virtual Qt::PenStyle	dxfPenStyle () const

Static Public Member Functions
static QgsSymbolLayerV2 *	create (const QgsStringMap &properties=QgsStringMap())

Protected Attributes
QBrush	mBrush
QBrush	mSelBrush
GradientColorType	mGradientColorType
QColor	mColor2
QgsVectorColorRampV2 *	mGradientRamp
GradientType	mGradientType
GradientCoordinateMode	mCoordinateMode
GradientSpread	mGradientSpread
QPointF	mReferencePoint1
bool	mReferencePoint1IsCentroid
QPointF	mReferencePoint2
bool	mReferencePoint2IsCentroid
double	mAngle
QPointF	mOffset
QgsSymbolV2::OutputUnit	mOffsetUnit
Protected Attributes inherited from QgsFillSymbolLayerV2
double	mAngle
Protected Attributes inherited from QgsSymbolLayerV2
QgsSymbolV2::SymbolType	mType
bool	mLocked
QColor	mColor
int	mRenderingPass
QMap< QString, QgsExpression * >	mDataDefinedProperties

Private Member Functions
void	applyDataDefinedSymbology (QgsSymbolV2RenderContext &context, const QPolygonF &points)
void	applyGradient (const QgsSymbolV2RenderContext &context, QBrush &brush, const QColor &color, const QColor &color2, const GradientColorType &gradientColorType, QgsVectorColorRampV2 *gradientRamp, const GradientType &gradientType, const GradientCoordinateMode &coordinateMode, const GradientSpread &gradientSpread, const QPointF &referencePoint1, const QPointF &referencePoint2, const double angle)
	Applies the gradient to a brush.
QPointF	rotateReferencePoint (const QPointF &refPoint, double angle)
	rotates a reference point by a specified angle around the point (0.5, 0.5)

Additional Inherited Members
Protected Member Functions inherited from QgsFillSymbolLayerV2
	QgsFillSymbolLayerV2 (bool locked=false)
void	_renderPolygon (QPainter p, const QPolygonF &points, const QList< QPolygonF > rings, QgsSymbolV2RenderContext &context)
	Default method to render polygon.
Static Protected Attributes inherited from QgsSymbolLayerV2
static const bool	selectionIsOpaque = true
static const bool	selectFillBorder = false
static const bool	selectFillStyle = false

Detailed Description

Definition at line 127 of file qgsfillsymbollayerv2.h.

Member Enumeration Documentation

enum QgsGradientFillSymbolLayerV2::GradientColorType

Enumerator:

SimpleTwoColor
ColorRamp

Definition at line 131 of file qgsfillsymbollayerv2.h.

enum QgsGradientFillSymbolLayerV2::GradientCoordinateMode

Enumerator:

Feature
Viewport

Definition at line 144 of file qgsfillsymbollayerv2.h.

enum QgsGradientFillSymbolLayerV2::GradientSpread

Enumerator:

Pad
Reflect
Repeat

Definition at line 150 of file qgsfillsymbollayerv2.h.

enum QgsGradientFillSymbolLayerV2::GradientType

Enumerator:

Linear
Radial
Conical

Definition at line 137 of file qgsfillsymbollayerv2.h.

Constructor & Destructor Documentation

QgsGradientFillSymbolLayerV2::QgsGradientFillSymbolLayerV2	(	QColor	color = `DEFAULT_SIMPLEFILL_COLOR`,
		QColor	color2 = `Qt::white`,
		GradientColorType	gradientColorType = `SimpleTwoColor`,
		GradientType	gradientType = `Linear`,
		GradientCoordinateMode	coordinateMode = `Feature`,
		GradientSpread	gradientSpread = `Pad`
	)

Definition at line 333 of file qgsfillsymbollayerv2.cpp.

References QgsSymbolLayerV2::color(), color2(), QgsSymbolLayerV2::mColor, and mColor2.

Referenced by clone(), and create().

QgsGradientFillSymbolLayerV2::~QgsGradientFillSymbolLayerV2 ( )

virtual

Definition at line 352 of file qgsfillsymbollayerv2.cpp.

References mGradientRamp.

Member Function Documentation

double QgsGradientFillSymbolLayerV2::angle ( void ) const

inline

Reimplemented from QgsFillSymbolLayerV2.

Definition at line 229 of file qgsfillsymbollayerv2.h.

References QgsFillSymbolLayerV2::mAngle.

Referenced by applyDataDefinedSymbology(), applyGradient(), create(), and rotateReferencePoint().

void QgsGradientFillSymbolLayerV2::applyDataDefinedSymbology	(	QgsSymbolV2RenderContext &	context,
		const QPolygonF &	points
	)

private

void QgsGradientFillSymbolLayerV2::applyGradient	(	const QgsSymbolV2RenderContext &	context,
		QBrush &	brush,
		const QColor &	color,
		const QColor &	color2,
		const GradientColorType &	gradientColorType,
		QgsVectorColorRampV2 *	gradientRamp,
		const GradientType &	gradientType,
		const GradientCoordinateMode &	coordinateMode,
		const GradientSpread &	gradientSpread,
		const QPointF &	referencePoint1,
		const QPointF &	referencePoint2,
		const double	angle
	)

private

Applies the gradient to a brush.

Definition at line 623 of file qgsfillsymbollayerv2.cpp.

References QgsVectorGradientColorRampV2::addStopsToGradient(), QgsSymbolV2RenderContext::alpha(), angle(), QgsSymbolLayerV2::color(), color2(), ColorRamp, Conical, Feature, QgsSymbolLayerV2::fillColor(), Linear, Pad, Radial, referencePoint1(), referencePoint2(), Reflect, Repeat, rotateReferencePoint(), QgsVectorColorRampV2::type(), and Viewport.

Referenced by applyDataDefinedSymbology().

QgsSymbolLayerV2 * QgsGradientFillSymbolLayerV2::clone ( ) const

virtual

QColor QgsGradientFillSymbolLayerV2::color2 ( ) const

inline

Color for endpoint of gradient, only used if the gradient color type is set to SimpleTwoColor.

Definition at line 200 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), applyGradient(), create(), and QgsGradientFillSymbolLayerV2().

QgsVectorColorRampV2* QgsGradientFillSymbolLayerV2::colorRamp ( )

inline

Color ramp used for the gradient fill, only used if the gradient color type is set to ColorRamp.

Definition at line 196 of file qgsfillsymbollayerv2.h.

GradientCoordinateMode QgsGradientFillSymbolLayerV2::coordinateMode ( ) const

inline

Coordinate mode for gradient.

Controls how the gradient stops are positioned.

Definition at line 204 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), and create().

QgsSymbolLayerV2 * QgsGradientFillSymbolLayerV2::create ( const QgsStringMap & properties = QgsStringMap() )

static

double QgsGradientFillSymbolLayerV2::estimateMaxBleed ( ) const

virtual

Returns the estimated maximum distance which the layer style will bleed outside the drawn shape.

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

Reimplemented from QgsSymbolLayerV2.

Definition at line 778 of file qgsfillsymbollayerv2.cpp.

References mOffset.

GradientColorType QgsGradientFillSymbolLayerV2::gradientColorType ( ) const

inline

Gradient color mode, controls how gradient color stops are created.

Definition at line 192 of file qgsfillsymbollayerv2.h.

GradientSpread QgsGradientFillSymbolLayerV2::gradientSpread ( ) const

inline

Gradient spread mode.

Controls how the gradient behaves outside of the predefined stops

Definition at line 208 of file qgsfillsymbollayerv2.h.

Referenced by create().

GradientType QgsGradientFillSymbolLayerV2::gradientType ( ) const

inline

Type of gradient, eg linear or radial.

Definition at line 188 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology().

QString QgsGradientFillSymbolLayerV2::layerType ( ) const

virtual

Implements QgsSymbolLayerV2.

Definition at line 450 of file qgsfillsymbollayerv2.cpp.

QPointF QgsGradientFillSymbolLayerV2::offset ( ) const

inline

Definition at line 233 of file qgsfillsymbollayerv2.h.

Referenced by create(), and renderPolygon().

QgsSymbolV2::OutputUnit QgsGradientFillSymbolLayerV2::offsetUnit ( ) const

inline

Definition at line 237 of file qgsfillsymbollayerv2.h.

QgsStringMap QgsGradientFillSymbolLayerV2::properties ( ) const

virtual

QPointF QgsGradientFillSymbolLayerV2::referencePoint1 ( ) const

inline

Definition at line 213 of file qgsfillsymbollayerv2.h.

Referenced by applyGradient(), and create().

bool QgsGradientFillSymbolLayerV2::referencePoint1IsCentroid ( ) const

inline

Definition at line 217 of file qgsfillsymbollayerv2.h.

QPointF QgsGradientFillSymbolLayerV2::referencePoint2 ( ) const

inline

Definition at line 221 of file qgsfillsymbollayerv2.h.

Referenced by applyGradient(), and create().

bool QgsGradientFillSymbolLayerV2::referencePoint2IsCentroid ( ) const

inline

Definition at line 225 of file qgsfillsymbollayerv2.h.

void QgsGradientFillSymbolLayerV2::renderPolygon	(	const QPolygonF &	points,
		QList< QPolygonF > *	rings,
		QgsSymbolV2RenderContext &	context
	)

virtual

Implements QgsFillSymbolLayerV2.

Definition at line 708 of file qgsfillsymbollayerv2.cpp.

References QgsFillSymbolLayerV2::_renderPolygon(), applyDataDefinedSymbology(), QgsSymbolLayerV2Utils::lineWidthScaleFactor(), mBrush, mOffset, mOffsetUnit, mSelBrush, offset(), QgsRenderContext::painter(), QgsSymbolV2RenderContext::renderContext(), and QgsSymbolV2RenderContext::selected().

QPointF QgsGradientFillSymbolLayerV2::rotateReferencePoint	(	const QPointF &	refPoint,
		double	angle
	)

private

rotates a reference point by a specified angle around the point (0.5, 0.5)

Definition at line 600 of file qgsfillsymbollayerv2.cpp.

References angle().

Referenced by applyGradient().

void QgsGradientFillSymbolLayerV2::setAngle ( double angle )

inline

Rotation angle for gradient fill.

Can be used to rotate a gradient around its centre point

Reimplemented from QgsFillSymbolLayerV2.

Definition at line 228 of file qgsfillsymbollayerv2.h.

References QgsFillSymbolLayerV2::angle().

Referenced by clone(), and create().

void QgsGradientFillSymbolLayerV2::setColor2 ( QColor color2 )

inline

Definition at line 201 of file qgsfillsymbollayerv2.h.

void QgsGradientFillSymbolLayerV2::setColorRamp ( QgsVectorColorRampV2 * ramp )

Definition at line 444 of file qgsfillsymbollayerv2.cpp.

References mGradientRamp.

Referenced by clone(), and create().

void QgsGradientFillSymbolLayerV2::setCoordinateMode ( GradientCoordinateMode coordinateMode )

inline

Definition at line 205 of file qgsfillsymbollayerv2.h.

void QgsGradientFillSymbolLayerV2::setGradientColorType ( GradientColorType gradientColorType )

inline

Definition at line 193 of file qgsfillsymbollayerv2.h.

void QgsGradientFillSymbolLayerV2::setGradientSpread ( GradientSpread gradientSpread )

inline

Definition at line 209 of file qgsfillsymbollayerv2.h.

void QgsGradientFillSymbolLayerV2::setGradientType ( GradientType gradientType )

inline

Definition at line 189 of file qgsfillsymbollayerv2.h.

void QgsGradientFillSymbolLayerV2::setOffset ( QPointF offset )

inline

Offset for gradient fill.

Definition at line 232 of file qgsfillsymbollayerv2.h.

Referenced by clone(), and create().

void QgsGradientFillSymbolLayerV2::setOffsetUnit ( QgsSymbolV2::OutputUnit unit )

inline

Units for gradient fill offset.

Definition at line 236 of file qgsfillsymbollayerv2.h.

Referenced by clone(), and create().

void QgsGradientFillSymbolLayerV2::setReferencePoint1 ( QPointF referencePoint )

inline

Starting point of gradient fill, in the range [0,0] - [1,1].

Definition at line 212 of file qgsfillsymbollayerv2.h.

Referenced by clone(), and create().

void QgsGradientFillSymbolLayerV2::setReferencePoint1IsCentroid ( bool isCentroid )

inline

Sets the starting point of the gradient to be the feature centroid.

Definition at line 216 of file qgsfillsymbollayerv2.h.

Referenced by clone(), and create().

void QgsGradientFillSymbolLayerV2::setReferencePoint2 ( QPointF referencePoint )

inline

End point of gradient fill, in the range [0,0] - [1,1].

Definition at line 220 of file qgsfillsymbollayerv2.h.

Referenced by clone(), and create().

void QgsGradientFillSymbolLayerV2::setReferencePoint2IsCentroid ( bool isCentroid )

inline

Sets the end point of the gradient to be the feature centroid.

Definition at line 224 of file qgsfillsymbollayerv2.h.

Referenced by clone(), and create().

void QgsGradientFillSymbolLayerV2::startRender ( QgsSymbolV2RenderContext & context )

virtual

Implements QgsSymbolLayerV2.

Definition at line 693 of file qgsfillsymbollayerv2.cpp.

References QgsSymbolV2RenderContext::alpha(), QgsSymbolV2RenderContext::layer(), mSelBrush, QgsSymbolLayerV2::prepareExpressions(), QgsSymbolV2RenderContext::renderContext(), QgsRenderContext::selectionColor(), and QgsSymbolLayerV2::selectionIsOpaque.

void QgsGradientFillSymbolLayerV2::stopRender ( QgsSymbolV2RenderContext & context )

virtual

Implements QgsSymbolLayerV2.

Definition at line 703 of file qgsfillsymbollayerv2.cpp.

Member Data Documentation

double QgsGradientFillSymbolLayerV2::mAngle

protected

Definition at line 254 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

QBrush QgsGradientFillSymbolLayerV2::mBrush

protected

Definition at line 237 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), and renderPolygon().

QColor QgsGradientFillSymbolLayerV2::mColor2

protected

Definition at line 244 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), properties(), and QgsGradientFillSymbolLayerV2().

GradientCoordinateMode QgsGradientFillSymbolLayerV2::mCoordinateMode

protected

Definition at line 247 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

GradientColorType QgsGradientFillSymbolLayerV2::mGradientColorType

protected

Definition at line 243 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

QgsVectorColorRampV2* QgsGradientFillSymbolLayerV2::mGradientRamp

protected

Definition at line 245 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), properties(), setColorRamp(), and ~QgsGradientFillSymbolLayerV2().

GradientSpread QgsGradientFillSymbolLayerV2::mGradientSpread

protected

Definition at line 248 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

GradientType QgsGradientFillSymbolLayerV2::mGradientType

protected

Definition at line 246 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

QPointF QgsGradientFillSymbolLayerV2::mOffset

protected

Definition at line 256 of file qgsfillsymbollayerv2.h.

Referenced by clone(), estimateMaxBleed(), properties(), and renderPolygon().

QgsSymbolV2::OutputUnit QgsGradientFillSymbolLayerV2::mOffsetUnit

protected

Definition at line 257 of file qgsfillsymbollayerv2.h.

Referenced by clone(), properties(), and renderPolygon().

QPointF QgsGradientFillSymbolLayerV2::mReferencePoint1

protected

Definition at line 250 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

bool QgsGradientFillSymbolLayerV2::mReferencePoint1IsCentroid

protected

Definition at line 251 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

QPointF QgsGradientFillSymbolLayerV2::mReferencePoint2

protected

Definition at line 252 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

bool QgsGradientFillSymbolLayerV2::mReferencePoint2IsCentroid

protected

Definition at line 253 of file qgsfillsymbollayerv2.h.

Referenced by applyDataDefinedSymbology(), clone(), and properties().

QBrush QgsGradientFillSymbolLayerV2::mSelBrush

protected

Definition at line 241 of file qgsfillsymbollayerv2.h.

Referenced by renderPolygon(), and startRender().

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

/tmp/buildd/qgis-2.2.0+wheezy1/src/core/symbology-ng/qgsfillsymbollayerv2.h
/tmp/buildd/qgis-2.2.0+wheezy1/src/core/symbology-ng/qgsfillsymbollayerv2.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation