view data/fileio/BZipFileDevice.h @ 249:d3ac9f953ebf

* Fix #1672407 confused by plugin-named files in cwd (or home?)
* Fix #1491848 crash when loading new file while transform plugin runs
* Fix #1502287 Background remains black after spectrogram layer deleted
* Fix #1604477 Replacing the main audio file silences secondary audio file
* Fix failure to initialise property box layout to last preference on startup
* Fix resample/wrong-rate display in Pane, ensure that right rate is chosen
  if all current models have an acceptable rate even if previous main model
  had a different one
* Fix "global zoom" broken in previous commit
* Some fixes to spectrogram cache area updating (makes spectrogram appear
  more quickly, previously it had a tendency to refresh with empty space)
* Fixes to colour 3d plot normalization

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    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.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _BZIP_FILE_DEVICE_H_
#define _BZIP_FILE_DEVICE_H_

#include <QIODevice>

#include <bzlib.h>

class BZipFileDevice : public QIODevice
{
    Q_OBJECT

public:
    BZipFileDevice(QString fileName);
    virtual ~BZipFileDevice();
    
    virtual bool open(OpenMode mode);
    virtual void close();

    virtual bool isOK() const;

    virtual bool isSequential() const { return true; }

protected:
    virtual qint64 readData(char *data, qint64 maxSize);
    virtual qint64 writeData(const char *data, qint64 maxSize);

    QString m_fileName;

    FILE *m_file;
    BZFILE *m_bzFile;
    bool m_atEnd;
    bool m_ok;
};

#endif