comparison layer/TimeValueLayer.h @ 0:2a4f26e85b4c

initial import

+/* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    A waveform viewer and audio annotation editor.
+    Chris Cannam, Queen Mary University of London, 2005
+    
+    This is experimental software.  Not for distribution.
+*/
+
+#ifndef _TIME_VALUE_VIEW_H_
+#define _TIME_VALUE_VIEW_H_
+
+#include "base/Layer.h"
+#include "model/SparseTimeValueModel.h"
+
+#include <QObject>
+#include <QColor>
+
+class View;
+class QPainter;
+
+class TimeValueLayer : public Layer
+{
+    Q_OBJECT
+
+public:
+    TimeValueLayer(View *w);
+
+    virtual void paint(QPainter &paint, QRect rect) const;
+
+    virtual QRect getFeatureDescriptionRect(QPainter &, QPoint) const;
+    virtual void paintLocalFeatureDescription(QPainter &, QRect, QPoint) const;
+
+    virtual const Model *getModel() const { return m_model; }
+    void setModel(SparseTimeValueModel *model);
+
+    virtual PropertyList getProperties() const;
+    virtual PropertyType getPropertyType(const PropertyName &) const;
+    virtual int getPropertyRangeAndValue(const PropertyName &,
+					   int *min, int *max) const;
+    virtual QString getPropertyValueLabel(const PropertyName &,
+					  int value) const;
+    virtual void setProperty(const PropertyName &, int value);
+
+    void setBaseColour(QColor);
+    QColor getBaseColour() const { return m_colour; }
+
+    enum PlotStyle { PlotPoints, PlotStems, PlotLines };
+
+    void setPlotStyle(PlotStyle style);
+    PlotStyle getPlotStyle() const { return m_plotStyle; }
+
+    virtual QString getPropertyContainerIconName() const { return "values"; }
+
+    virtual bool isLayerScrollable() const;
+
+    virtual int getCompletion() const { return m_model->getCompletion(); }
+
+protected:
+    SparseTimeValueModel::PointList getLocalPoints(int) const;
+
+    SparseTimeValueModel *m_model;
+    QColor m_colour;
+    PlotStyle m_plotStyle;
+};
+
+#endif
+