Chris@196: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@196: 
Chris@196: /*
Chris@196:     Sonic Visualiser
Chris@196:     An audio file viewer and annotation editor.
Chris@196:     Centre for Digital Music, Queen Mary, University of London.
Chris@196:     This file copyright 2006-2007 Chris Cannam and QMUL.
Chris@196:     
Chris@196:     This program is free software; you can redistribute it and/or
Chris@196:     modify it under the terms of the GNU General Public License as
Chris@196:     published by the Free Software Foundation; either version 2 of the
Chris@196:     License, or (at your option) any later version.  See the file
Chris@196:     COPYING included with this distribution for more information.
Chris@196: */
Chris@196: 
Chris@196: #ifndef _COLOUR_MAPPER_H_
Chris@196: #define _COLOUR_MAPPER_H_
Chris@196: 
Chris@196: #include <QObject>
Chris@196: #include <QColor>
Chris@196: #include <QString>
Chris@196: 
Chris@196: /**
Chris@196:  * A class for mapping intensity values onto various colour maps.
Chris@196:  */
Chris@196: 
Chris@196: class ColourMapper : public QObject
Chris@196: {
Chris@196: public:
Chris@196:     ColourMapper(int map, float minValue, float maxValue);
Chris@196:     virtual ~ColourMapper();
Chris@196: 
Chris@196:     enum StandardMap {
Chris@196:         DefaultColours,
Chris@196:         Sunset,
Chris@196:         WhiteOnBlack,
Chris@196:         BlackOnWhite,
Chris@196:         RedOnBlue,
Chris@196:         YellowOnBlack,
Chris@196:         BlueOnBlack,
Chris@197:         FruitSalad,
Chris@197:         Banded,
Chris@197:         Highlight
Chris@196:     };
Chris@196: 
Chris@196:     int getMap() const { return m_map; }
Chris@196:     float getMinValue() const { return m_min; }
Chris@196:     float getMaxValue() const { return m_max; }
Chris@196: 
Chris@196:     static int getColourMapCount();
Chris@196:     static QString getColourMapName(int n);
Chris@196: 
Chris@196:     QColor map(float value) const;
Chris@196: 
Chris@196:     QColor getContrastingColour() const; // for cursors etc
Chris@196: 
Chris@196: protected:
Chris@196:     int m_map;
Chris@196:     float m_min;
Chris@196:     float m_max;
Chris@196: };
Chris@196: 
Chris@196: #endif
Chris@196: