Mercurial > hg > svgui
view layer/SliceableLayer.h @ 549:e6122e4999a3
* Add time display format preference
author | Chris Cannam |
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date | Fri, 25 Sep 2009 12:02:22 +0000 |
parents | 57c2350a8c40 |
children | 05d614f6e46d |
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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 _SLICEABLE_LAYER_H_ #define _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 const Model *getSliceableModel() const = 0; signals: // Emitted when a model that was obtained through // getSliceableModel is about to be deleted. If replacement is // non-NULL, it may be used instead. void sliceableModelReplaced(const Model *modelToBeReplaced, const Model *replacement); }; #endif