/usr/include/ossim/imaging/ossimImageSourceSequencer.h is in libossim-dev 1.7.21-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (C) 2000 ImageLinks Inc.
//
// License: LGPL
//
// See LICENSE.txt file in the top level directory for more details.
//
// Author: Garrett Potts
//
//*******************************************************************
// $Id: ossimImageSourceSequencer.h 13312 2008-07-27 01:26:52Z gpotts $
#ifndef ossimImageSourceSequencer_HEADER
#define ossimImageSourceSequencer_HEADER
#include <ossim/imaging/ossimImageSource.h>
#include <ossim/base/ossimIpt.h>
#include <ossim/base/ossimConnectableObjectListener.h>
class OSSIMDLLEXPORT ossimImageSourceSequencer
:
public ossimImageSource,
public ossimConnectableObjectListener
{
public:
ossimImageSourceSequencer(ossimImageSource* inputSource=NULL,
ossimObject* owner=NULL);
virtual ~ossimImageSourceSequencer();
/*!
* This will return the number of tiles within the
* area of interest.
*/
ossim_uint32 getNumberOfTiles()const;
/*!
* Will return the number of tiles along the
* x or horizontal direction.
*/
ossim_uint32 getNumberOfTilesHorizontal()const;
/*!
* Will return the number of tiles along the
* y or vertical direction.
*/
ossim_uint32 getNumberOfTilesVertical()const;
/*!
* This must be called. We can only initialize this
* object completely if we know all connections
* are valid. Some other object drives this and so the
* connection's initialize will be called after. The job
* of this connection is to set up the sequence. It will
* default to the bounding rect. The area of interest can be
* set to some other rectagle (use setAreaOfInterest).
*/
virtual void initialize();
/*!
* Will set the current area of interest.
*/
virtual void setAreaOfInterest(const ossimIrect& areaOfInterest);
/*!
* Just returns the current area of interest.
*/
const ossimIrect& getAreaOfInterest()const;
/*!
* Will set the internal pointers to the upperleft
* tile number. To go to the next tile in the sequence
* just call getNextTile.
*/
virtual void setToStartOfSequence();
virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& rect,
ossim_uint32 resLevel=0);
/*!
* Will allow you to get the next tile in the sequence.
* Note the last tile returned will be an invalid
* ossimRefPtr<ossimImageData>. Callers should be able to do:
*
* ossimRefPtr<ossimImageData> id = sequencer->getNextTile();
* while (id.valid())
* {
* doSomething;
* id = sequencer->getNextTile();
* }
*
*/
virtual ossimRefPtr<ossimImageData> getNextTile(ossim_uint32 resLevel=0);
virtual bool getTileOrigin(ossim_int32 id,
ossimIpt& origin)const;
virtual ossimRefPtr<ossimImageData> getTile(ossim_int32 id,
ossim_uint32 resLevel=0);
virtual ossimIrect getBoundingRect(ossim_uint32 resLevel=0)const;
virtual void getDecimationFactor(ossim_uint32 resLevel,
ossimDpt& result) const;
virtual void getDecimationFactors(vector<ossimDpt>& decimations) const;
virtual ossim_uint32 getNumberOfDecimationLevels()const;
/*!
* Returns the number of bands available from the input.
*/
virtual ossim_uint32 getNumberOfInputBands()const;
virtual ossimScalarType getOutputScalarType() const;
virtual ossim_uint32 getTileWidth()const { return theTileSize.x; }
virtual ossim_uint32 getTileHeight()const { return theTileSize.y; }
virtual void slaveProcessTiles()
{
return;
}
virtual bool isMaster()const
{
return true;
}
virtual ossimIpt getTileSize()const;
virtual void setTileSize(const ossimIpt& tileSize);
virtual void setTileSize(int width, int height);
virtual void connectInputEvent(ossimConnectionEvent& event);
virtual void disconnectInputEvent(ossimConnectionEvent& event);
virtual bool canConnectMyInputTo(ossim_int32 inputIndex,
const ossimConnectableObject* object)const;
virtual double getNullPixelValue(ossim_uint32 band=0)const;
virtual double getMinPixelValue(ossim_uint32 band=0)const;
virtual double getMaxPixelValue(ossim_uint32 band=0)const;
protected:
ossimImageSource* theInputConnection;
ossimRefPtr<ossimImageData> theBlankTile;
/*!
* Is the area of interest. The default will
*
*/
ossimIrect theAreaOfInterest;
/*!
* Called during initialize.
*/
ossimIpt theTileSize;
ossim_uint32 theNumberOfTilesHorizontal;
ossim_uint32 theNumberOfTilesVertical;
ossim_uint32 theCurrentTileNumber;
void updateTileDimensions();
TYPE_DATA
};
#endif
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