Chris@376: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@376: 
Chris@376: /*
Chris@376:     Sonic Visualiser
Chris@376:     An audio file viewer and annotation editor.
Chris@376:     Centre for Digital Music, Queen Mary, University of London.
Chris@376:     This file copyright 2007 QMUL.
Chris@376:     
Chris@376:     This program is free software; you can redistribute it and/or
Chris@376:     modify it under the terms of the GNU General Public License as
Chris@376:     published by the Free Software Foundation; either version 2 of the
Chris@376:     License, or (at your option) any later version.  See the file
Chris@376:     COPYING included with this distribution for more information.
Chris@376: */
Chris@376: 
Chris@376: #ifndef _COLOUR_DATABASE_H_
Chris@376: #define _COLOUR_DATABASE_H_
Chris@376: 
Chris@376: #include <QObject>
Chris@376: #include <QString>
Chris@376: #include <QColor>
Chris@376: #include <QSize>
Chris@376: #include <QPixmap>
Chris@376: #include <vector>
Chris@376: 
Chris@376: class ColourDatabase : public QObject
Chris@376: {
Chris@376:     Q_OBJECT
Chris@376: 
Chris@376: public:
Chris@376:     static ColourDatabase *getInstance();
Chris@376: 
Chris@376:     int getColourCount() const;
Chris@376:     QString getColourName(int c) const;
Chris@376:     QColor getColour(int c) const;
Chris@376:     QColor getColour(QString name) const;
Chris@376:     int getColourIndex(QString name) const; // -1 -> not found
Chris@376:     int getColourIndex(QColor c) const; // returns first index of possibly many
Chris@376:     bool haveColour(QColor c) const;
Chris@376: 
Chris@376:     bool useDarkBackground(int c) const;
Chris@376:     void setUseDarkBackground(int c, bool dark);
Chris@376: 
Chris@376:     int addColour(QColor, QString); // returns index
Chris@376:     void removeColour(QString);
Chris@376: 
Chris@376:     // returned colour is not necessarily in database
Chris@376:     QColor getContrastingColour(int c) const;
Chris@376: 
Chris@376:     // for use in XML export
Chris@376:     void getStringValues(int index,
Chris@376:                          QString &colourName,
Chris@376:                          QString &colourSpec,
Chris@376:                          QString &darkbg) const;
Chris@376: 
Chris@376:     // for use in XML import
Chris@376:     int putStringValues(QString colourName,
Chris@376:                         QString colourSpec,
Chris@376:                         QString darkbg);
Chris@376: 
Chris@376:     // for use by PropertyContainer getPropertyRangeAndValue methods
Chris@376:     void getColourPropertyRange(int *min, int *max) const;
Chris@376: 
Chris@376:     QPixmap getExamplePixmap(int index, QSize size) const;
Chris@376:     
Chris@376: signals:
Chris@376:     void colourDatabaseChanged();
Chris@376: 
Chris@376: protected:
Chris@376:     ColourDatabase();
Chris@376: 
Chris@376:     struct ColourRec {
Chris@376:         QColor colour;
Chris@376:         QString name;
Chris@376:         bool darkbg;
Chris@376:     };
Chris@376:     
Chris@376:     typedef std::vector<ColourRec> ColourList;
Chris@376:     ColourList m_colours;
Chris@376: 
Chris@376:     static ColourDatabase m_instance;
Chris@376: };
Chris@376: 
Chris@376: #endif