119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
|
|
#ifndef OSG_IMAGESEQUENCE
|
|
#define OSG_IMAGESEQUENCE 1
|
|
|
|
#include <OpenThreads/Mutex>
|
|
#include <osg/ImageStream>
|
|
#include <osg/StateAttribute>
|
|
|
|
#include <list>
|
|
|
|
namespace osg {
|
|
|
|
/**
|
|
* Image Buffer class.
|
|
*/
|
|
class OSG_EXPORT ImageSequence : public ImageStream
|
|
{
|
|
public:
|
|
ImageSequence();
|
|
|
|
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
|
|
ImageSequence(const ImageSequence& ImageSequence, const CopyOp& copyop=CopyOp::SHALLOW_COPY);
|
|
|
|
virtual Object* cloneType() const { return new ImageSequence(); }
|
|
virtual Object* clone(const CopyOp& copyop) const { return new ImageSequence(*this,copyop); }
|
|
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const ImageSequence*>(obj)!=0; }
|
|
virtual const char* libraryName() const { return "osg"; }
|
|
virtual const char* className() const { return "ImageSequence"; }
|
|
|
|
/** Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
|
|
virtual int compare(const Image& rhs) const;
|
|
|
|
virtual void setReferenceTime(double t) { _referenceTime = t; }
|
|
virtual double getReferenceTime() const { return _referenceTime; }
|
|
|
|
virtual void setTimeMultiplier(double tm) { _timeMultiplier = tm; }
|
|
virtual double getTimeMultiplier() const { return _timeMultiplier; }
|
|
|
|
typedef std::list< osg::ref_ptr<osg::Image> > Images;
|
|
typedef std::list< std::string > FileNames;
|
|
|
|
void setDuration(double duration);
|
|
double getDuration() const { return _duration; }
|
|
|
|
void setPreLoadTime(double preLoadTime) { _preLoadTime = preLoadTime; }
|
|
double getPreLoadTime() const { return _preLoadTime; }
|
|
|
|
void setPruneOldImages(bool prune) { _pruneOldImages = prune; }
|
|
bool getPruneOldImages() const { return _pruneOldImages; }
|
|
|
|
void addImageFile(const std::string& fileName);
|
|
|
|
FileNames& getFileNames() { return _fileNames; }
|
|
const FileNames& getFileNames() const { return _fileNames; }
|
|
|
|
void addImage(osg::Image* image);
|
|
|
|
Images& getImages() { return _images; }
|
|
const Images& getImages() const { return _images; }
|
|
|
|
|
|
virtual void update(NodeVisitor* nv);
|
|
|
|
struct OSG_EXPORT UpdateCallback : public osg::StateAttribute::Callback
|
|
{
|
|
virtual void operator () (osg::StateAttribute* attr, osg::NodeVisitor* nv);
|
|
};
|
|
|
|
protected:
|
|
|
|
virtual ~ImageSequence() {}
|
|
|
|
void setImageToChild(const osg::Image* image);
|
|
|
|
void computeTimePerImage();
|
|
|
|
double _referenceTime;
|
|
double _timeMultiplier;
|
|
|
|
double _duration;
|
|
double _preLoadTime;
|
|
|
|
bool _pruneOldImages;
|
|
|
|
double _timePerImage;
|
|
|
|
OpenThreads::Mutex _mutex;
|
|
FileNames _fileNames;
|
|
FileNames::iterator _fileNamesIterator;
|
|
double _fileNamesIteratorTime;
|
|
|
|
double _imageHeadTime;
|
|
Images _images;
|
|
Images::iterator _imageIterator;
|
|
double _imageIteratorTime;
|
|
|
|
typedef std::pair< std::string, osg::ref_ptr<osg::Image> > FileNameImagePair;
|
|
typedef std::list< FileNameImagePair > FileNameImageList;
|
|
|
|
FileNameImageList _filesRequested;
|
|
|
|
};
|
|
|
|
} // namespace
|
|
|
|
#endif
|