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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004-2016 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.1 2005/04/14 21:23:39 ganovelli
*** empty log message ***
****************************************************************************/
#ifndef VCGLIB_TRACKRECORDER
#define VCGLIB_TRACKRECORDER
#include <wrap/gui/trackball.h>
#include <stdio.h>
#include <time.h>
namespace vcg{
struct TrackRecorder{
TrackRecorder(){Stop();}
FILE * trackfile;
enum { PLAY,REC,OFF } mode;
int nextTime,
startTime;
void StartPlaying(char * namefile){
if(trackfile != NULL) return;
trackfile = fopen(namefile,"rb");
startTime = clock();
mode = PLAY;
fread(&nextTime,4,1,trackfile);
}
void UpdateTrackball(Trackball & t){
while( ( clock()-startTime > nextTime)&& !feof(trackfile)){
fread(&t.track,sizeof(float)*4 + sizeof(float)*5,1,trackfile);
fread(&nextTime,4,1,trackfile);
}
if(feof(trackfile))
Stop();
}
void StartRecording(char * namefile){
if(trackfile != NULL) return;
trackfile = fopen(namefile,"wb");
startTime = clock();
mode = REC;
}
void RecordTrackball(Trackball & t){
nextTime = clock()-startTime;
fwrite(&nextTime,4,1,trackfile);
fwrite(&t.track,sizeof(float)*4 + sizeof(float)*5,1,trackfile);
}
void Stop(){mode = OFF; trackfile = NULL;};
};
}
#endif
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