annotate layer/TimeValueLayer.h @ 28:202d1dca67d2

* Rationalise the local feature identification API in Layer subclasses * Add segmentation mode to TimeInstantLayer
author Chris Cannam
date Mon, 06 Feb 2006 17:24:52 +0000
parents 94381052a6c9
children ea6fe8cfcdd5
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@25 31 virtual QString getFeatureDescription(QPoint &) const;
Chris@0 32
Chris@28 33 virtual bool snapToFeatureFrame(int &frame,
Chris@28 34 size_t &resolution,
Chris@28 35 SnapType snap) const;
Chris@13 36
Chris@21 37 virtual void drawStart(QMouseEvent *);
Chris@21 38 virtual void drawDrag(QMouseEvent *);
Chris@21 39 virtual void drawEnd(QMouseEvent *);
Chris@21 40
Chris@21 41 virtual void editStart(QMouseEvent *);
Chris@21 42 virtual void editDrag(QMouseEvent *);
Chris@21 43 virtual void editEnd(QMouseEvent *);
Chris@21 44
Chris@0 45 virtual const Model *getModel() const { return m_model; }
Chris@0 46 void setModel(SparseTimeValueModel *model);
Chris@0 47
Chris@0 48 virtual PropertyList getProperties() const;
Chris@0 49 virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@0 50 virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@0 51 int *min, int *max) const;
Chris@0 52 virtual QString getPropertyValueLabel(const PropertyName &,
Chris@0 53 int value) const;
Chris@0 54 virtual void setProperty(const PropertyName &, int value);
Chris@0 55
Chris@0 56 void setBaseColour(QColor);
Chris@0 57 QColor getBaseColour() const { return m_colour; }
Chris@0 58
Chris@26 59 enum PlotStyle {
Chris@26 60 PlotPoints,
Chris@26 61 PlotStems,
Chris@26 62 PlotConnectedPoints,
Chris@26 63 PlotLines,
Chris@26 64 PlotCurve,
Chris@26 65 PlotSegmentation
Chris@26 66 };
Chris@0 67
Chris@0 68 void setPlotStyle(PlotStyle style);
Chris@0 69 PlotStyle getPlotStyle() const { return m_plotStyle; }
Chris@0 70
Chris@0 71 virtual bool isLayerScrollable() const;
Chris@0 72
Chris@23 73 virtual bool isLayerEditable() const { return true; }
Chris@23 74
Chris@0 75 virtual int getCompletion() const { return m_model->getCompletion(); }
Chris@0 76
Chris@6 77 virtual QString toXmlString(QString indent = "",
Chris@6 78 QString extraAttributes = "") const;
Chris@6 79
Chris@11 80 void setProperties(const QXmlAttributes &attributes);
Chris@11 81
Chris@0 82 protected:
Chris@21 83 int getYForValue(float value) const;
Chris@21 84 float getValueForY(int y) const;
Chris@21 85
Chris@0 86 SparseTimeValueModel::PointList getLocalPoints(int) const;
Chris@0 87
Chris@0 88 SparseTimeValueModel *m_model;
Chris@21 89 bool m_editing;
Chris@23 90 SparseTimeValueModel::Point m_originalPoint;
Chris@21 91 SparseTimeValueModel::Point m_editingPoint;
Chris@22 92 SparseTimeValueModel::EditCommand *m_editingCommand;
Chris@0 93 QColor m_colour;
Chris@0 94 PlotStyle m_plotStyle;
Chris@0 95 };
Chris@0 96
Chris@0 97 #endif
Chris@0 98