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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 _COLOUR_DATABASE_H_
#define _COLOUR_DATABASE_H_
#include <QObject>
#include <QString>
#include <QColor>
#include <QSize>
#include <QPixmap>
#include <vector>
class ColourDatabase : public QObject
{
Q_OBJECT
public:
static ColourDatabase *getInstance();
int getColourCount() const;
QString getColourName(int c) const;
QColor getColour(int c) const;
QColor getColour(QString name) const;
int getColourIndex(QString name) const; // -1 -> not found
int getColourIndex(QColor c) const; // returns first index of possibly many
bool haveColour(QColor c) const;
bool useDarkBackground(int c) const;
void setUseDarkBackground(int c, bool dark);
int addColour(QColor, QString); // returns index
void removeColour(QString);
// returned colour is not necessarily in database
QColor getContrastingColour(int c) const;
// for use in XML export
void getStringValues(int index,
QString &colourName,
QString &colourSpec,
QString &darkbg) const;
// for use in XML import
int putStringValues(QString colourName,
QString colourSpec,
QString darkbg);
// for use by PropertyContainer getPropertyRangeAndValue methods
void getColourPropertyRange(int *min, int *max) const;
QPixmap getExamplePixmap(int index, QSize size) const;
signals:
void colourDatabaseChanged();
protected:
ColourDatabase();
struct ColourRec {
QColor colour;
QString name;
bool darkbg;
};
typedef std::vector<ColourRec> ColourList;
ColourList m_colours;
static ColourDatabase m_instance;
};
#endif
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