A paint effect which draws an offset and optionally blurred drop shadow. More...

#include <qgsshadoweffect.h>

Inheritance diagram for QgsDropShadowEffect:

Public Member Functions
	QgsDropShadowEffect ()

virtual	~QgsDropShadowEffect ()

virtual QgsPaintEffect *	clone () const override
	Duplicates an effect by creating a deep copy of the effect. More...

virtual QString	type () const override
	Returns the effect type. More...

Public Member Functions inherited from QgsShadowEffect
	QgsShadowEffect ()

virtual	~QgsShadowEffect ()

QPainter::CompositionMode	blendMode () const
	Returns the blend mode for the effect. More...

int	blurLevel () const
	Returns the blur level (strength) for the shadow. More...

QColor	color () const
	Returns the color used for the shadow. More...

int	offsetAngle () const
	Returns the angle used for offsetting the shadow. More...

double	offsetDistance () const
	Returns the distance used for offsetting the shadow. More...

const QgsMapUnitScale &	offsetMapUnitScale () const
	Returns the map unit scale used for the shadow offset distance. More...

QgsSymbolV2::OutputUnit	offsetUnit () const
	Returns the units used for the shadow offset distance. More...

virtual QgsStringMap	properties () const override
	Returns the properties describing the paint effect encoded in a string format. More...

virtual void	readProperties (const QgsStringMap &props) override
	Reads a string map of an effect's properties and restores the effect to the state described by the properties map. More...

void	setBlendMode (const QPainter::CompositionMode mode)
	Sets the blend mode for the effect. More...

void	setBlurLevel (const int level)
	Sets blur level (strength) for the shadow. More...

void	setColor (const QColor &color)
	Sets the color for the shadow. More...

void	setOffsetAngle (const int angle)
	Sets the angle for offsetting the shadow. More...

void	setOffsetDistance (const double distance)
	Sets the distance for offsetting the shadow. More...

void	setOffsetMapUnitScale (const QgsMapUnitScale &scale)
	Sets the map unit scale used for the shadow offset distance. More...

void	setOffsetUnit (const QgsSymbolV2::OutputUnit unit)
	Sets the units used for the shadow offset distance. More...

void	setTransparency (const double transparency)
	Sets the transparency for the effect. More...

double	transparency () const
	Returns the transparency for the effect. More...

Public Member Functions inherited from QgsPaintEffect
	QgsPaintEffect ()

	QgsPaintEffect (const QgsPaintEffect &other)

virtual	~QgsPaintEffect ()

virtual void	begin (QgsRenderContext &context)
	Begins intercepting paint operations to a render context. More...

DrawMode	drawMode () const
	Returns the draw mode for the effect. More...

bool	enabled () const
	Returns whether the effect is enabled. More...

virtual void	end (QgsRenderContext &context)
	Ends interception of paint operations to a render context, and draws the result to the render context after being modified by the effect. More...

virtual bool	readProperties (const QDomElement &element)
	Restores the effect to the state described by a DOM element. More...

virtual void	render (QPicture &picture, QgsRenderContext &context)
	Renders a picture using the effect. More...

virtual bool	saveProperties (QDomDocument &doc, QDomElement &element) const
	Saves the current state of the effect to a DOM element. More...

void	setDrawMode (const DrawMode drawMode)
	Sets the draw mode for the effect. More...

void	setEnabled (const bool enabled)
	Sets whether the effect is enabled. More...

Static Public Member Functions
static QgsPaintEffect *	create (const QgsStringMap &map)
	Creates a new QgsDropShadowEffect effect from a properties string map. More...

Protected Member Functions
virtual bool	exteriorShadow () const override
	Specifies whether the shadow is drawn outside the picture or within the picture. More...

Protected Member Functions inherited from QgsShadowEffect
virtual QRectF	boundingRect (const QRectF &rect, const QgsRenderContext &context) const override
	Returns the bounding rect required for drawing the effect. More...

virtual void	draw (QgsRenderContext &context) override
	Handles drawing of the effect's result on to the specified render context. More...

Protected Member Functions inherited from QgsPaintEffect
void	drawSource (QPainter &painter)
	Draws the source QPicture onto the specified painter. More...

void	fixQPictureDpi (QPainter *painter) const
	Applies a workaround to a QPainter to avoid an issue with incorrect scaling when drawing QPictures. More...

QPointF	imageOffset (const QgsRenderContext &context) const
	Returns the offset which should be used when drawing the source image on to a destination render context. More...

const QPicture *	source () const
	Returns the source QPicture. More...

QImage *	sourceAsImage (QgsRenderContext &context)
	Returns the source QPicture rendered to a new QImage. More...

Additional Inherited Members
Public Types inherited from QgsPaintEffect
enum	DrawMode { Modifier, Render, ModifyAndRender }
	Drawing modes for effects. More...

Protected Attributes inherited from QgsShadowEffect
QPainter::CompositionMode	mBlendMode

int	mBlurLevel

QColor	mColor

int	mOffsetAngle

double	mOffsetDist

QgsMapUnitScale	mOffsetMapUnitScale

QgsSymbolV2::OutputUnit	mOffsetUnit

double	mTransparency

Protected Attributes inherited from QgsPaintEffect
DrawMode	mDrawMode

bool	mEnabled

bool	requiresQPainterDpiFix

Detailed Description

A paint effect which draws an offset and optionally blurred drop shadow.

Note: Added in version 2.9

Definition at line 189 of file qgsshadoweffect.h.

Constructor & Destructor Documentation

QgsDropShadowEffect::QgsDropShadowEffect ( )

Definition at line 170 of file qgsshadoweffect.cpp.

QgsDropShadowEffect::~QgsDropShadowEffect ( )

virtual

Definition at line 176 of file qgsshadoweffect.cpp.

Member Function Documentation

QgsPaintEffect * QgsDropShadowEffect::clone ( ) const

overridevirtual

Duplicates an effect by creating a deep copy of the effect.

Returns: clone of paint effect

Implements QgsPaintEffect.

Definition at line 181 of file qgsshadoweffect.cpp.

QgsPaintEffect * QgsDropShadowEffect::create ( const QgsStringMap & map )

static

Creates a new QgsDropShadowEffect effect from a properties string map.

Parameters

map	encoded properties string map

Returns: new QgsDropShadowEffect

Definition at line 163 of file qgsshadoweffect.cpp.

virtual bool QgsDropShadowEffect::exteriorShadow ( ) const

inlineoverrideprotectedvirtual

Specifies whether the shadow is drawn outside the picture or within the picture.

Returns: true if shadow is to be drawn outside the picture, or false to draw shadow within the picture

Implements QgsShadowEffect.

Definition at line 208 of file qgsshadoweffect.h.

virtual QString QgsDropShadowEffect::type ( ) const

inlineoverridevirtual

Returns the effect type.

Returns: unique string representation of the effect type

Implements QgsPaintEffect.

Definition at line 203 of file qgsshadoweffect.h.

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

/tmp/buildd/qgis-2.12.0+99unstable/src/core/effects/qgsshadoweffect.h
/tmp/buildd/qgis-2.12.0+99unstable/src/core/effects/qgsshadoweffect.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation