lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006-2007 Chris Cannam and QMUL.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef _COLOUR_MAPPER_H_
lbajardsilogic@0: #define _COLOUR_MAPPER_H_
lbajardsilogic@0: 
lbajardsilogic@0: #include <QObject>
lbajardsilogic@0: #include <QColor>
lbajardsilogic@0: #include <QString>
lbajardsilogic@0: 
lbajardsilogic@0: /**
lbajardsilogic@0:  * A class for mapping intensity values onto various colour maps.
lbajardsilogic@0:  */
lbajardsilogic@0: 
lbajardsilogic@0: class ColourMapper : public QObject
lbajardsilogic@0: {
lbajardsilogic@0:     Q_OBJECT
lbajardsilogic@0: 
lbajardsilogic@0: public:
lbajardsilogic@0:     ColourMapper(int map, float minValue, float maxValue);
lbajardsilogic@0:     virtual ~ColourMapper();
lbajardsilogic@0: 
lbajardsilogic@0:     enum StandardMap {
lbajardsilogic@0:         DefaultColours,
lbajardsilogic@0:         Sunset,
lbajardsilogic@0:         WhiteOnBlack,
lbajardsilogic@0:         BlackOnWhite,
lbajardsilogic@0:         RedOnBlue,
lbajardsilogic@0:         YellowOnBlack,
lbajardsilogic@0:         BlueOnBlack,
lbajardsilogic@0:         FruitSalad,
lbajardsilogic@0:         Banded,
lbajardsilogic@0:         Highlight
lbajardsilogic@0:     };
lbajardsilogic@0: 
lbajardsilogic@0:     int getMap() const { return m_map; }
lbajardsilogic@0:     float getMinValue() const { return m_min; }
lbajardsilogic@0:     float getMaxValue() const { return m_max; }
lbajardsilogic@0: 
lbajardsilogic@0:     static int getColourMapCount();
lbajardsilogic@0:     static QString getColourMapName(int n);
lbajardsilogic@0: 
lbajardsilogic@0:     QColor map(float value) const;
lbajardsilogic@0: 
lbajardsilogic@0:     QColor getContrastingColour() const; // for cursors etc
lbajardsilogic@0: 
lbajardsilogic@0: protected:
lbajardsilogic@0:     int m_map;
lbajardsilogic@0:     float m_min;
lbajardsilogic@0:     float m_max;
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: #endif
lbajardsilogic@0: