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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 SV_SINGLE_COLOUR_LAYER_H
#define SV_SINGLE_COLOUR_LAYER_H
#include "Layer.h"
#include <QColor>
#include <vector>
#include <map>
namespace sv {
class SingleColourLayer : public Layer
{
Q_OBJECT
public:
/**
* Set the colour used to draw primary items in the layer. The
* colour value is a colour database index as returned by
* ColourDatabase::getColourIndex().
*/
virtual void setBaseColour(int);
/**
* Retrieve the current primary drawing colour, as a
* ColourDatabase index value.
*/
virtual int getBaseColour() const;
/**
* Return true if the layer currently has a dark colour on a light
* background, false if it has a light colour on a dark
* background.
*/
bool hasLightBackground() const override;
/**
* Implements Layer::getLayerColourSignificance()
*/
ColourSignificance getLayerColourSignificance() const override {
return ColourDistinguishes;
}
QPixmap getLayerPresentationPixmap(QSize size) const override;
PropertyList getProperties() const override;
QString getPropertyLabel(const PropertyName &) const override;
PropertyType getPropertyType(const PropertyName &) const override;
QString getPropertyGroupName(const PropertyName &) const override;
int getPropertyRangeAndValue(const PropertyName &,
int *min, int *max, int *deflt) const override;
QString getPropertyValueLabel(const PropertyName &,
int value) const override;
RangeMapper *getNewPropertyRangeMapper(const PropertyName &) const override;
void setProperty(const PropertyName &, int value) override;
void toXml(QTextStream &stream, QString indent = "",
QString extraAttributes = "") const override;
void setProperties(const LayerAttributes &attributes) override;
virtual void setDefaultColourFor(LayerGeometryProvider *v);
protected:
SingleColourLayer();
virtual ~SingleColourLayer();
virtual QColor getBaseQColor() const;
virtual QColor getBackgroundQColor(LayerGeometryProvider *v) const;
virtual QColor getForegroundQColor(LayerGeometryProvider *v) const;
std::vector<QColor> getPartialShades(LayerGeometryProvider *v) const;
virtual void flagBaseColourChanged() { }
virtual int getDefaultColourHint(bool /* darkBackground */,
bool & /* impose */) { return -1; }
typedef std::map<int, int> ColourRefCount;
static ColourRefCount m_colourRefCount;
int m_colour;
bool m_colourExplicitlySet;
bool m_defaultColourSet;
private:
void refColor();
void unrefColor();
};
} // end namespace sv
#endif
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