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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkTemporalRegion_h
#define itkTemporalRegion_h
#include "itkRegion.h"
#include "itkRealTimeStamp.h"
#include "itkRealTimeInterval.h"
#include "itkNumericTraits.h"
#include <climits>
#include "ITKVideoCoreExport.h"
/** Define representations of infinite duration for frames and real time */
#define ITK_INFINITE_FRAME_DURATION itk::NumericTraits<itk::SizeValueType>::max()
#define ITK_INFINITE_REAL_DURATION RealTimeInterval(ITK_INFINITE_FRAME_DURATION, 0)
namespace itk
{
/** \class TemporalRegion
* \brief Region subclass that holds a region in time
*
* A temporal region is represented using a starting point and a duration. Here
* time can be measured both in frame numbers or real time (or both).
*
* \ingroup ITKVideoCore
*/
class ITKVideoCore_EXPORT TemporalRegion : public Region
{
public:
/** Standard class typedefs */
typedef TemporalRegion Self;
typedef Region Superclass;
itkTypeMacro(TemporalRegion, Region);
/** Typedef for frame offsets */
typedef ::itk::SizeValueType FrameOffsetType;
/** Get/Set RealStart */
void SetRealStart(const RealTimeStamp s);
RealTimeStamp GetRealStart() const;
/** Get/Set RealDuration */
void SetRealDuration(const RealTimeInterval d);
RealTimeInterval GetRealDuration() const;
/** Get/Set FrameStart */
void SetFrameStart(const FrameOffsetType s);
FrameOffsetType GetFrameStart() const;
/** Get/Set FrameDuration */
void SetFrameDuration(const FrameOffsetType d);
FrameOffsetType GetFrameDuration() const;
/** Return RegionType (SRUCTURED_REGION) */
virtual RegionType GetRegionType() const ITK_OVERRIDE;
/** Constructor */
TemporalRegion();
/** Destructor */
virtual ~TemporalRegion() ITK_OVERRIDE;
/** Compare two temporal regions in Frame space */
virtual bool IsEqualInFrames(const Self & region) const;
/** Compare two temporal regions in Frame space */
bool IsEqualInRealTime(const Self & region) const;
/** Compare two temporal regions. (Both Frame and RealTime) */
bool operator==(const Self & region) const;
bool operator!=(const Self & region) const;
protected:
virtual void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
/** Time boundaries */
RealTimeStamp m_RealStart;
RealTimeInterval m_RealDuration;
FrameOffsetType m_FrameStart;
FrameOffsetType m_FrameDuration;
}; // end class TemporalRegion
/** ostream operator */
ITKVideoCore_EXPORT std::ostream & operator<<(std::ostream & os, const TemporalRegion & region);
} // end namespace itk
#endif
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