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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 2006-2013 Chris Cannam and 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 COLOUR_SCALE_LAYER_H
#define COLOUR_SCALE_LAYER_H
#include <QString>
#include <QColor>
namespace sv {
class LayerGeometryProvider;
/**
* Interface for layers in which a colour scale represents (or can
* sometimes represent, depending on the display mode) the sample
* value. For example, TimeValueLayer uses colour scale when in
* segment mode and so provides this interface for use by the
* LogColourScale or LinearColourScale scale renderers.
*/
class ColourScaleLayer
{
public:
virtual ~ColourScaleLayer() { }
virtual QString getScaleUnits() const = 0;
virtual QColor getColourForValue(LayerGeometryProvider *v, double value) const = 0;
};
} // end namespace sv
#endif
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