KoFilterEffectRenderContext Class Reference

This class provides the render context for filter effects. More...

#include <KoFilterEffectRenderContext.h>

Inheritance diagram for KoFilterEffectRenderContext:

Public Member Functions
QRectF	filterRegion () const
	Returns the filter region the filter is applied to.
	KoFilterEffectRenderContext (const KoViewConverter &converter)
	Private (const KoViewConverter &viewConverter)
void	setFilterRegion (const QRectF &filterRegion)
	Sets the filter region the filter is applied to.
void	setShapeBoundingBox (const QRectF &bound)
	Sets the shape bounding box used to convert to user space coordinates.
QPointF	toUserSpace (const QPointF &value) const
	Converts point from bounding box coordinates to user space coordinates.
qreal	toUserSpaceX (qreal value) const
	Converts x-coordinate from bounding box coordinates to user space coordinates.
qreal	toUserSpaceY (qreal value) const
	Converts y-coordinate from bounding box coordinates to user space coordinates.
const KoViewConverter *	viewConverter () const
	Returns the view converter.
	~KoFilterEffectRenderContext ()

Public Attributes
const KoViewConverter &	converter
QRectF	filterRegion
QRectF	shapeBound

Private Attributes
Private *const	d
Private Attributes inherited from Private
KisCanvas2 *	canvas
int	displayedFrame
int	intendedFrame

Additional Inherited Members
Private Member Functions inherited from Private
	Private (KisCanvas2 *c)

Detailed Description

This class provides the render context for filter effects.

Definition at line 12 of file KoFilterEffectRenderContext.cpp.

Constructor & Destructor Documentation

KoFilterEffectRenderContext()

KoFilterEffectRenderContext::KoFilterEffectRenderContext ( const KoViewConverter & converter )

explicit

Definition at line 24 of file KoFilterEffectRenderContext.cpp.

: d(new Private(converter))
{
}

~KoFilterEffectRenderContext()

KoFilterEffectRenderContext::~KoFilterEffectRenderContext

(

)

Definition at line 29 of file KoFilterEffectRenderContext.cpp.

{
    delete d;
}

References d.

Member Function Documentation

filterRegion()

QRectF KoFilterEffectRenderContext::filterRegion

(

)

const

Returns the filter region the filter is applied to.

Private()

KoFilterEffectRenderContext::Private ( const KoViewConverter & viewConverter )

inline

Definition at line 15 of file KoFilterEffectRenderContext.cpp.

        : converter(viewConverter)
    {}

setFilterRegion()

void KoFilterEffectRenderContext::setFilterRegion

(

const QRectF &

filterRegion

)

Sets the filter region the filter is applied to.

Definition at line 39 of file KoFilterEffectRenderContext.cpp.

{
    d->filterRegion = filterRegion;
}

References d, and filterRegion.

setShapeBoundingBox()

void KoFilterEffectRenderContext::setShapeBoundingBox

(

const QRectF &

bound

)

Sets the shape bounding box used to convert to user space coordinates.

Definition at line 44 of file KoFilterEffectRenderContext.cpp.

{
    d->shapeBound = bound;
}

References d.

toUserSpace()

QPointF KoFilterEffectRenderContext::toUserSpace

(

const QPointF &

value

)

const

Converts point from bounding box coordinates to user space coordinates.

Definition at line 49 of file KoFilterEffectRenderContext.cpp.

{
    return QPointF(value.x()*d->shapeBound.width(), value.y()*d->shapeBound.height());
}

References d, and value().

toUserSpaceX()

qreal KoFilterEffectRenderContext::toUserSpaceX

(

qreal

value

)

const

Converts x-coordinate from bounding box coordinates to user space coordinates.

Definition at line 54 of file KoFilterEffectRenderContext.cpp.

{
    return value * d->shapeBound.width();
}

References d, and value().

toUserSpaceY()

qreal KoFilterEffectRenderContext::toUserSpaceY

(

qreal

value

)

const

Converts y-coordinate from bounding box coordinates to user space coordinates.

Definition at line 59 of file KoFilterEffectRenderContext.cpp.

{
    return value * d->shapeBound.height();
}

References d, and value().

viewConverter()

const KoViewConverter * KoFilterEffectRenderContext::viewConverter

(

)

const

Returns the view converter.

Definition at line 64 of file KoFilterEffectRenderContext.cpp.

{
    return &d->converter;
}

References d.

Member Data Documentation

converter

const KoViewConverter& KoFilterEffectRenderContext::converter

Definition at line 21 of file KoFilterEffectRenderContext.cpp.

d

Private* const KoFilterEffectRenderContext::d

private

Definition at line 48 of file KoFilterEffectRenderContext.h.

filterRegion

QRectF KoFilterEffectRenderContext::filterRegion

Definition at line 19 of file KoFilterEffectRenderContext.cpp.

shapeBound

QRectF KoFilterEffectRenderContext::shapeBound

Definition at line 20 of file KoFilterEffectRenderContext.cpp.

---

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

• libs/flake/KoFilterEffectRenderContext.cpp
• libs/flake/KoFilterEffectRenderContext.h