Chris@537: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@537: 
Chris@537: /*
Chris@537:     Sonic Visualiser
Chris@537:     An audio file viewer and annotation editor.
Chris@537:     Centre for Digital Music, Queen Mary, University of London.
Chris@537:     This file copyright 2006-2009 Chris Cannam and QMUL.
Chris@537:     
Chris@537:     This program is free software; you can redistribute it and/or
Chris@537:     modify it under the terms of the GNU General Public License as
Chris@537:     published by the Free Software Foundation; either version 2 of the
Chris@537:     License, or (at your option) any later version.  See the file
Chris@537:     COPYING included with this distribution for more information.
Chris@537: */
Chris@537: 
Chris@537: #ifndef _FFT_CACHE_WRITER_H_
Chris@537: #define _FFT_CACHE_WRITER_H_
Chris@537: 
Chris@537: #include <stddef.h>
Chris@537: 
Chris@537: class FFTCacheWriter
Chris@537: {
Chris@537: public:
Chris@540:     virtual ~FFTCacheWriter() { }
Chris@540: 
Chris@537:     virtual size_t getWidth() const = 0;
Chris@537:     virtual size_t getHeight() const = 0;
Chris@537: 
Chris@537:     virtual void setColumnAt(size_t x, float *mags, float *phases, float factor) = 0;
Chris@537:     virtual void setColumnAt(size_t x, float *reals, float *imags) = 0;
Chris@537: 
Chris@550:     virtual bool haveSetColumnAt(size_t x) const = 0;
Chris@550: 
Chris@550:     virtual void allColumnsWritten() = 0; // notify cache to close
Chris@537: 
Chris@537:     virtual FFTCache::StorageType getStorageType() const = 0;
Chris@537: };
Chris@537: 
Chris@537: #endif
Chris@537: