comparison layer/SliceLayer.h @ 193:57c2350a8c40

* Add slice layers (so you can display a slice of a colour 3d plot as if it were
  a spectrum)
* Make spectrum layer a subclass of slice layer

+
+/* -*- 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 2006 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 _SLICE_LAYER_H_
+#define _SLICE_LAYER_H_
+
+#include "Layer.h"
+
+#include "base/Window.h"
+
+#include "data/model/DenseThreeDimensionalModel.h"
+
+#include <QColor>
+
+class SliceLayer : public Layer
+{
+    Q_OBJECT
+
+public:
+    SliceLayer();
+    ~SliceLayer();
+    
+//    virtual void setModel(const Model *model);
+//    virtual const Model *getModel() const { return m_model; }
+    virtual const Model *getModel() const { return 0; }
+
+    void setSliceableModel(const Model *model);    
+
+    virtual void paint(View *v, QPainter &paint, QRect rect) const;
+
+    virtual PropertyList getProperties() const;
+    virtual QString getPropertyLabel(const PropertyName &) const;
+    virtual PropertyType getPropertyType(const PropertyName &) const;
+    virtual QString getPropertyGroupName(const PropertyName &) const;
+    virtual int getPropertyRangeAndValue(const PropertyName &,
+					   int *min, int *max) const;
+    virtual QString getPropertyValueLabel(const PropertyName &,
+					  int value) const;
+    virtual RangeMapper *getNewPropertyRangeMapper(const PropertyName &) const;
+    virtual void setProperty(const PropertyName &, int value);
+    virtual void setProperties(const QXmlAttributes &);
+
+    virtual bool getValueExtents(float &min, float &max,
+                                 bool &logarithmic, QString &unit) const;
+
+    virtual bool isLayerScrollable(const View *v) const { return false; }
+
+    enum EnergyScale { LinearScale, MeterScale, dBScale };
+
+    enum SamplingMode { NearestSample, SampleMean, SamplePeak };
+
+    enum PlotStyle { PlotLines, PlotSteps, PlotBlocks };
+
+    enum BinScale { LinearBins, LogBins, InvertedLogBins };
+
+    void setBaseColour(QColor);
+    QColor getBaseColour() const { return m_colour; }
+
+    void setEnergyScale(EnergyScale);
+    EnergyScale getEnergyScale() const { return m_energyScale; }
+
+    void setSamplingMode(SamplingMode);
+    SamplingMode getSamplingMode() const { return m_samplingMode; }
+
+    void setPlotStyle(PlotStyle style);
+    PlotStyle getPlotStyle() const { return m_plotStyle; }
+
+    void setBinScale(BinScale scale);
+    BinScale getBinScale() const { return m_binScale; }
+
+    void setGain(float gain);
+    float getGain() const;
+
+    void setNormalize(bool n);
+    bool getNormalize() const;
+
+    virtual QString toXmlString(QString indent = "",
+				QString extraAttributes = "") const;
+
+public slots:
+    void sliceableModelReplaced(const Model *, const Model *);
+    void modelAboutToBeDeleted(Model *);
+
+protected:
+    const DenseThreeDimensionalModel *m_sliceableModel;
+    QColor                            m_colour;
+    EnergyScale                       m_energyScale;
+    SamplingMode                      m_samplingMode;
+    PlotStyle                         m_plotStyle;
+    BinScale                          m_binScale;
+    bool                              m_normalize;
+    bool                              m_bias;
+    float                             m_gain;
+};
+
+#endif