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stage
include
ost
img
null_data.hh
Go to the documentation of this file.
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//------------------------------------------------------------------------------
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// This file is part of the OpenStructure project <www.openstructure.org>
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//
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// Copyright (C) 2008-2011 by the OpenStructure authors
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// Copyright (C) 2003-2010 by the IPLT authors
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License as published by the Free
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// Software Foundation; either version 3.0 of the License, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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// details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this library; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//------------------------------------------------------------------------------
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/*
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convenience null data class
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Author: Ansgar Philippsen
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*/
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#ifndef IMG_NULL_DATA_H
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#define IMG_NULL_DATA_H
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#include "
data.hh
"
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#include "
pixel_sampling.hh
"
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#include "
image_factory.hh
"
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#include "
image_handle.hh
"
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namespace
ost {
namespace
img {
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class
DLLEXPORT_OST_IMG_BASE
NullData
:
public
Data
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{
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public
:
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virtual
DataType
GetType
()
const
{
return
REAL
;}
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virtual
DataDomain
GetDomain
()
const
{
return
SPATIAL
;}
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virtual
Extent
GetExtent
()
const
{
return
Extent
();}
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virtual
Real
GetReal
(
const
Point
&p)
const
{
return
0.0;}
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virtual
Complex
GetComplex
(
const
Point
&p)
const
{
return
0.0;}
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virtual
Real
GetIntpolReal
(
const
Vec3 &v)
const
{
return
0.0;}
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virtual
Real
GetIntpolReal
(
const
Vec2 &v)
const
{
return
0.0;}
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virtual
Real
GetIntpolReal
(
const
Real
&d)
const
{
return
0.0;}
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virtual
Complex
GetIntpolComplex
(
const
Vec3 &v)
const
{
return
0.0;}
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virtual
Complex
GetIntpolComplex
(
const
Vec2 &v)
const
{
return
0.0;}
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virtual
Complex
GetIntpolComplex
(
const
Real
&d)
const
{
return
0.0;}
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virtual
void
Apply
(
NonModAlgorithm
& a)
const
{}
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virtual
void
ApplyIP
(
NonModAlgorithm
& a)
const
{}
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virtual
void
SetSpatialOrigin
(
const
Point
& o) {}
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virtual
Point
GetSpatialOrigin
()
const
{
return
Point
();}
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virtual
void
Attach
(
DataObserver
*o)
const
{}
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virtual
void
Detach
(
DataObserver
*o)
const
{}
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virtual
void
Notify
()
const
{}
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virtual
ImageHandle
Crop
(
const
Extent
& e)
const
{
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return
CreateImage
();
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}
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static
Data
&
Instance
() {
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static
NullData
instance;
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return
instance;
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}
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protected
:
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virtual
PixelSampling
&
Sampling
() {
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return
sampling_;
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}
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virtual
const
PixelSampling
&
Sampling
()
const
{
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return
sampling_;
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}
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private
:
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PixelSampling
sampling_;
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};
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}}
// namespace
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#endif
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