annotate layer/TimeValueLayer.h @ 14:aa37f84ab70a

* Add play-selection and looping modes. Looping seems to work OK, but the plain play-selection is miscalculating current frame number to feed back to the GUI. * Cache selection rectanges wherever possible in View::paintEvent.
author Chris Cannam
date Tue, 24 Jan 2006 16:20:58 +0000
parents 01849cd277e6
children 0183ebb725ca
rev   line source
Chris@0 1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@0 4 A waveform viewer and audio annotation editor.
Chris@3 5 Chris Cannam, Queen Mary University of London, 2005-2006
Chris@0 6
Chris@0 7 This is experimental software. Not for distribution.
Chris@0 8 */
Chris@0 9
Chris@0 10 #ifndef _TIME_VALUE_VIEW_H_
Chris@0 11 #define _TIME_VALUE_VIEW_H_
Chris@0 12
Chris@0 13 #include "base/Layer.h"
Chris@0 14 #include "model/SparseTimeValueModel.h"
Chris@0 15
Chris@0 16 #include <QObject>
Chris@0 17 #include <QColor>
Chris@0 18
Chris@0 19 class View;
Chris@0 20 class QPainter;
Chris@0 21
Chris@0 22 class TimeValueLayer : public Layer
Chris@0 23 {
Chris@0 24 Q_OBJECT
Chris@0 25
Chris@0 26 public:
Chris@0 27 TimeValueLayer(View *w);
Chris@0 28
Chris@0 29 virtual void paint(QPainter &paint, QRect rect) const;
Chris@0 30
Chris@0 31 virtual QRect getFeatureDescriptionRect(QPainter &, QPoint) const;
Chris@0 32 virtual void paintLocalFeatureDescription(QPainter &, QRect, QPoint) const;
Chris@0 33
Chris@13 34 virtual int getNearestFeatureFrame(int frame,
Chris@13 35 size_t &resolution,
Chris@13 36 bool snapRight = true) const;
Chris@13 37
Chris@0 38 virtual const Model *getModel() const { return m_model; }
Chris@0 39 void setModel(SparseTimeValueModel *model);
Chris@0 40
Chris@0 41 virtual PropertyList getProperties() const;
Chris@0 42 virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@0 43 virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@0 44 int *min, int *max) const;
Chris@0 45 virtual QString getPropertyValueLabel(const PropertyName &,
Chris@0 46 int value) const;
Chris@0 47 virtual void setProperty(const PropertyName &, int value);
Chris@0 48
Chris@0 49 void setBaseColour(QColor);
Chris@0 50 QColor getBaseColour() const { return m_colour; }
Chris@0 51
Chris@6 52 enum PlotStyle { PlotPoints, PlotStems, PlotConnectedPoints, PlotLines, PlotCurve };
Chris@0 53
Chris@0 54 void setPlotStyle(PlotStyle style);
Chris@0 55 PlotStyle getPlotStyle() const { return m_plotStyle; }
Chris@0 56
Chris@0 57 virtual QString getPropertyContainerIconName() const { return "values"; }
Chris@0 58
Chris@0 59 virtual bool isLayerScrollable() const;
Chris@0 60
Chris@0 61 virtual int getCompletion() const { return m_model->getCompletion(); }
Chris@0 62
Chris@6 63 virtual QString toXmlString(QString indent = "",
Chris@6 64 QString extraAttributes = "") const;
Chris@6 65
Chris@11 66 void setProperties(const QXmlAttributes &attributes);
Chris@11 67
Chris@0 68 protected:
Chris@0 69 SparseTimeValueModel::PointList getLocalPoints(int) const;
Chris@0 70
Chris@0 71 SparseTimeValueModel *m_model;
Chris@0 72 QColor m_colour;
Chris@0 73 PlotStyle m_plotStyle;
Chris@0 74 };
Chris@0 75
Chris@0 76 #endif
Chris@0 77