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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 2006 Chris Cannam.
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_TIME_VALUE_LAYER_H
#define SV_TIME_VALUE_LAYER_H
#include "SingleColourLayer.h"
#include "ColourScaleLayer.h"
#include "data/model/SparseTimeValueModel.h"
#include <QObject>
#include <QColor>
class QPainter;
namespace sv {
class View;
class TimeValueLayer : public SingleColourLayer,
public ColourScaleLayer
{
Q_OBJECT
public:
TimeValueLayer();
void paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const override;
int getVerticalScaleWidth(LayerGeometryProvider *v, bool, QPainter &) const override;
void paintVerticalScale(LayerGeometryProvider *v, bool, QPainter &paint, QRect rect) const override;
QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const override;
QString getLabelAtOrPreceding(sv_frame_t) const override;
bool snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame,
int &resolution,
SnapType snap, int ycoord) const override;
bool snapToSimilarFeature(LayerGeometryProvider *v, sv_frame_t &frame,
int &resolution,
SnapType snap) const override;
void drawStart(LayerGeometryProvider *v, QMouseEvent *) override;
void drawDrag(LayerGeometryProvider *v, QMouseEvent *) override;
void drawEnd(LayerGeometryProvider *v, QMouseEvent *) override;
void eraseStart(LayerGeometryProvider *v, QMouseEvent *) override;
void eraseDrag(LayerGeometryProvider *v, QMouseEvent *) override;
void eraseEnd(LayerGeometryProvider *v, QMouseEvent *) override;
void editStart(LayerGeometryProvider *v, QMouseEvent *) override;
void editDrag(LayerGeometryProvider *v, QMouseEvent *) override;
void editEnd(LayerGeometryProvider *v, QMouseEvent *) override;
bool editOpen(LayerGeometryProvider *v, QMouseEvent *) override;
void moveSelection(Selection s, sv_frame_t newStartFrame) override;
void resizeSelection(Selection s, Selection newSize) override;
void deleteSelection(Selection s) override;
void copy(LayerGeometryProvider *v, Selection s, Clipboard &to) override;
bool paste(LayerGeometryProvider *v, const Clipboard &from, sv_frame_t frameOffset,
bool interactive) override;
ModelId getModel() const override { return m_model; }
void setModel(ModelId model); // a SparseTimeValueModel
PropertyList getProperties() const override;
QString getPropertyLabel(const PropertyName &) const override;
QString getPropertyIconName(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;
void setProperty(const PropertyName &, int value) override;
void setFillColourMap(int);
int getFillColourMap() const { return m_colourMap; }
enum PlotStyle {
PlotPoints,
PlotStems,
PlotConnectedPoints,
PlotLines,
PlotCurve,
PlotSegmentation,
PlotDiscreteCurves
};
void setPlotStyle(PlotStyle style);
PlotStyle getPlotStyle() const { return m_plotStyle; }
enum VerticalScale {
AutoAlignScale,
LinearScale,
LogScale,
PlusMinusOneScale
};
void setVerticalScale(VerticalScale scale);
VerticalScale getVerticalScale() const { return m_verticalScale; }
void setDrawSegmentDivisions(bool);
bool getDrawSegmentDivisions() const { return m_drawSegmentDivisions; }
void setFillSegments(bool);
bool getFillSegments() const { return m_fillSegments; }
void setShowDerivative(bool);
bool getShowDerivative() const { return m_derivative; }
void setPermitValueEditOfSegmentation(bool);
bool getPermitValueEditOfSegmentation() const { return m_permitValueEditOfSegmentation; }
bool isLayerScrollable(const LayerGeometryProvider *v) const override;
bool isLayerEditable() const override { return true; }
int getCompletion(LayerGeometryProvider *) const override;
bool needsTextLabelHeight() const override;
ScaleExtents getVerticalExtents() const override;
bool getDisplayExtents(double &min, double &max) const override;
bool setDisplayExtents(double min, double max) override;
void overrideHighlightForPointsAt(sv_frame_t);
void removeOverrideHighlight();
int getVerticalZoomSteps(int &defaultStep) const override;
int getCurrentVerticalZoomStep() const override;
void setVerticalZoomStep(int) override;
RangeMapper *getNewVerticalZoomRangeMapper() const override;
void toXml(QTextStream &stream, QString indent = "",
QString extraAttributes = "") const override;
void setProperties(const LayerAttributes &attributes) override;
/// Override from SingleColourLayer
ColourSignificance getLayerColourSignificance() const override {
if (m_plotStyle == PlotSegmentation) {
return ColourHasMeaningfulValue;
} else {
return ColourDistinguishes;
}
}
/// Override from SingleColourLayer
bool hasLightBackground() const override {
if (m_plotStyle == PlotSegmentation) {
return true;
} else {
return SingleColourLayer::hasLightBackground();
}
}
/// ColourScaleLayer method
QColor getColourForValue(LayerGeometryProvider *v, double value) const override;
signals:
void frameIlluminated(sv_frame_t);
protected:
QString getScaleUnits() const override; // ColourScaleLayer
bool shouldAutoAlign() const;
EventVector getLocalPoints(LayerGeometryProvider *v, int) const;
int getDefaultColourHint(bool dark, bool &impose) override;
ModelId m_model;
bool m_editing;
Event m_originalPoint;
Event m_editingPoint;
ChangeEventsCommand *m_editingCommand;
int m_colourMap;
bool m_colourInverted;
PlotStyle m_plotStyle;
VerticalScale m_verticalScale;
bool m_drawSegmentDivisions;
bool m_fillSegments;
bool m_derivative;
bool m_permitValueEditOfSegmentation;
bool m_propertiesExplicitlySet;
bool m_overrideHighlight;
sv_frame_t m_highlightOverrideFrame;
mutable double m_scaleMinimum;
mutable double m_scaleMaximum;
void finish(ChangeEventsCommand *command) {
Command *c = command->finish();
if (c) CommandHistory::getInstance()->addCommand(c, false);
}
};
} // end namespace sv
#endif
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