view layer/SliceableLayer.h @ 1619:36634b427d61

Fix wrongly-written test which made the mapping alignments line up wrongly in some cases where adjacent panes were related (but, because of this test, the alignment view thought they were not)
author Chris Cannam
date Tue, 18 Aug 2020 14:49:36 +0100
parents 4eafe5a1b655
children
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/* -*- 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 2007 QMUL.
    
    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 SV_SLICEABLE_LAYER_H
#define SV_SLICEABLE_LAYER_H

#include "Layer.h"

/**
 * Base class for layers that can be sliced, that is, that contain
 * models appropriate for use in a SliceLayer.
 */

class SliceableLayer : public Layer
{
    Q_OBJECT

public:
    // Get a model that can be sliced, i.e. a
    // DenseThreeDimensionalModel.  This may be the layer's usual
    // model, or it may be a model derived from it (e.g. FFTModel in a
    // spectrogram that was constructed from a DenseTimeValueModel).
    // The SliceableLayer retains ownership of the model, and will
    // emit sliceableModelReplaced if it is about to become invalid.
    virtual ModelId getSliceableModel() const = 0;
};

#endif