NullData Class Reference

null data singleton More...

#include <null_data.hh>

Inherits ost::img::Data.

Public Member Functions
virtual DataType	GetType () const
virtual DataDomain	GetDomain () const
virtual Extent	GetExtent () const
virtual Real	GetReal (const Point &p) const
virtual Complex	GetComplex (const Point &p) const
virtual Real	GetIntpolReal (const Vec3 &v) const
virtual Real	GetIntpolReal (const Vec2 &v) const
virtual Real	GetIntpolReal (const Real &d) const
virtual Complex	GetIntpolComplex (const Vec3 &v) const
virtual Complex	GetIntpolComplex (const Vec2 &v) const
virtual Complex	GetIntpolComplex (const Real &d) const
virtual void	Apply (NonModAlgorithm &a) const
virtual void	ApplyIP (NonModAlgorithm &a) const
virtual void	SetSpatialOrigin (const Point &o)
virtual Point	GetSpatialOrigin () const
virtual void	Attach (DataObserver *o) const
virtual void	Detach (DataObserver *o) const
virtual void	Notify () const
virtual ImageHandle	Crop (const Extent &e) const
Static Public Member Functions
static Data &	Instance ()
Protected Member Functions
virtual PixelSampling &	Sampling ()
virtual const PixelSampling &	Sampling () const

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Detailed Description

null data singleton

Provides a full implementation of the Data interface, but without providing any real functionality; all writes are ignored, and all reads return zero or otherwise null defaults.

Definition at line 44 of file null_data.hh.

---

Member Function Documentation

virtual void Apply

(

NonModAlgorithm &

a

)

const [inline, virtual]

Algorithm interface: NonModAlgorithm.

Implements Data.

Definition at line 65 of file null_data.hh.

virtual void ApplyIP

(

NonModAlgorithm &

a

)

const [inline, virtual]

Implements Data.

Definition at line 66 of file null_data.hh.

virtual void Attach

(

DataObserver *

o

)

const [inline, virtual]

DataObserver interface: attach observer.

Implements ConstData.

Definition at line 72 of file null_data.hh.

virtual ImageHandle Crop

(

const Extent &

e

)

const [inline, virtual]

Definition at line 78 of file null_data.hh.

virtual void Detach

(

DataObserver *

o

)

const [inline, virtual]

DataObserver interface: detach observer.

Implements ConstData.

Definition at line 74 of file null_data.hh.

virtual Complex GetComplex

(

const Point &

p

)

const [inline, virtual]

Get explicit complex value.

Implements ConstData.

Definition at line 55 of file null_data.hh.

virtual DataDomain GetDomain

(

)

const [inline, virtual]

Return domain: SPATIAL, FREQUENCY or HALF_FREQUENCY.

Implements ConstData.

Definition at line 49 of file null_data.hh.

virtual Extent GetExtent

(

)

const [inline, virtual]

Return (logical) extent of data.

Implements ConstData.

Definition at line 51 of file null_data.hh.

virtual Complex GetIntpolComplex

(

const Real &

d

)

const [inline, virtual]

Implements ConstData.

Definition at line 63 of file null_data.hh.

virtual Complex GetIntpolComplex

(

const Vec2 &

v

)

const [inline, virtual]

Implements ConstData.

Definition at line 62 of file null_data.hh.

virtual Complex GetIntpolComplex

(

const Vec3 &

v

)

const [inline, virtual]

Get interpolated complex value from 3D,2D or 1D vec.

Implements ConstData.

Definition at line 61 of file null_data.hh.

virtual Real GetIntpolReal

(

const Real &

d

)

const [inline, virtual]

Implements ConstData.

Definition at line 59 of file null_data.hh.

virtual Real GetIntpolReal

(

const Vec2 &

v

)

const [inline, virtual]

Implements ConstData.

Definition at line 58 of file null_data.hh.

virtual Real GetIntpolReal

(

const Vec3 &

v

)

const [inline, virtual]

Get interpolated real value from 3D,2D or 1D vec.

Implements ConstData.

Definition at line 57 of file null_data.hh.

virtual Real GetReal

(

const Point &

p

)

const [inline, virtual]

Get explicit real value.

Implements ConstData.

Definition at line 53 of file null_data.hh.

virtual Point GetSpatialOrigin

(

)

const [inline, virtual]

Retrieve spatial origin.

Implements ConstData.

Definition at line 70 of file null_data.hh.

virtual DataType GetType

(

)

const [inline, virtual]

Return type of data: REAL or COMPLEX.

Implements ConstData.

Definition at line 47 of file null_data.hh.

static Data& Instance

(

)

[inline, static]

Definition at line 82 of file null_data.hh.

virtual void Notify

(

)

const [inline, virtual]

Notify each observer that state has changed.

Implements ConstData.

Definition at line 76 of file null_data.hh.

virtual const PixelSampling& Sampling

(

)

const [inline, protected, virtual]

Implements ConstData.

Definition at line 91 of file null_data.hh.

virtual PixelSampling& Sampling

(

)

[inline, protected, virtual]

Implements ConstData.

Definition at line 88 of file null_data.hh.

virtual void SetSpatialOrigin

(

const Point &

o

)

[inline, virtual]

Set the spatial origin.

Implements Data.

Definition at line 68 of file null_data.hh.

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

• stage/include/ost/img/null_data.hh