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/* Copyright (c) 2011-2012 Stanislaw Halik <sthalik@misaki.pl>
* Adapted to FaceTrackNoIR by Wim Vriend.
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
#ifndef QFUNCTIONCONFIGURATOR_H
#define QFUNCTIONCONFIGURATOR_H
#include <QWidget>
#include <QtGui>
#include <QPointF>
#include <QElapsedTimer>
#include "qfunctionconfigurator/functionconfig.h"
#include "ftnoir_tracker_base/ftnoir_tracker_base.h"
//
// The FunctionConfigurator Widget is used to display and configure a function (curve).
// The Function is used by FaceTrackNoIR to 'translate' the actual head-pose to the virtual headpose. Every axis is configured by a separate Function.
//
// The Function is coded in a separate Class and can exists, without the Widget. When the widget is displayed (therefore 'created'), the Function can be attached to the
// Widget and the Widget used to change the Function.
//
class FTNOIR_TRACKER_BASE_EXPORT QFunctionConfigurator : public QWidget
{
Q_OBJECT
Q_PROPERTY(double maxInputEGU READ maxInputEGU WRITE setmaxInputEGU)
Q_PROPERTY(double maxOutputEGU READ maxOutputEGU WRITE setmaxOutputEGU)
Q_PROPERTY(double pixPerEGU_Input READ pixPerEGU_Input WRITE setpixPerEGU_Input)
Q_PROPERTY(double pixPerEGU_Output READ pixPerEGU_Output WRITE setpixPerEGU_Output)
Q_PROPERTY(double gridDistEGU_Input READ gridDistEGU_Input WRITE setgridDistEGU_Input)
Q_PROPERTY(double gridDistEGU_Output READ gridDistEGU_Output WRITE setgridDistEGU_Output)
Q_PROPERTY(QColor colorBezier READ colorBezier WRITE setColorBezier)
Q_PROPERTY(QString stringInputEGU READ stringInputEGU WRITE setInputEGU)
Q_PROPERTY(QString stringOutputEGU READ stringOutputEGU WRITE setOutputEGU)
Q_PROPERTY(QString stringCaption READ stringCaption WRITE setCaption)
// Return the current value to Designer
double maxInputEGU() const
{
return MaxInput;
}
double maxOutputEGU() const
{
return MaxOutput;
}
double pixPerEGU_Input() const
{
return pPerEGU_Input;
}
double pixPerEGU_Output() const
{
return pPerEGU_Output;
}
double gridDistEGU_Input() const
{
return gDistEGU_Input;
}
double gridDistEGU_Output() const
{
return gDistEGU_Output;
}
QColor colorBezier() const
{
return colBezier;
}
QString stringInputEGU() const
{
return strInputEGU;
}
QString stringOutputEGU() const
{
return strOutputEGU;
}
QString stringCaption() const
{
return strCaption;
}
public:
QFunctionConfigurator(QWidget *parent = 0);
FunctionConfig* config();
void setConfig(FunctionConfig* config, QString settingsFile); // Connect the FunctionConfig to the Widget.
void loadSettings(QString settingsFile); // Load the FunctionConfig (points) from the INI-file
void saveSettings(QString settingsFile); // Save the FunctionConfig (points) to the INI-file
signals:
void CurveChanged(bool);
public slots:
void setmaxInputEGU(int);
void setmaxOutputEGU(int);
void setpixPerEGU_Input(int);
void setpixPerEGU_Output(int);
void setgridDistEGU_Input(int);
void setgridDistEGU_Output(int);
void setColorBezier(QColor);
void setInputEGU(QString);
void setOutputEGU(QString);
void setCaption(QString);
protected slots:
void paintEvent(QPaintEvent *e);
void mousePressEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
protected:
void drawBackground();
void drawFunction();
void drawPoint(QPainter *painter, const QPointF &pt, QColor colBG );
void drawLine(QPainter *painter, const QPointF &start, const QPointF &end, QPen pen);
bool markContains(const QPointF &pt, const QPointF &coord) const;
bool withinRect( const QPointF &coord, const QRectF &rect ) const;
protected:
virtual void resizeEvent(QResizeEvent *);
private:
QRectF range; // The actual rectangle for the Bezier-curve
QPointF lastPoint; // The right-most point of the Function
QPointF normalizePoint (QPointF point) const; // Convert the graphical Point to a real-life Point
QPointF graphicalizePoint (QPointF point) const; // Convert the Point to a graphical Point
int movingPoint;
QElapsedTimer timer;
double MaxInput; // Maximum input limit
double MaxOutput; // Maximum output limit
double pPerEGU_Input; // Number of pixels, per EGU of Input
double pPerEGU_Output; // Number of pixels, per EGU of Output
double gDistEGU_Input; // Distance of the grid, in EGU of Input
double gDistEGU_Output; // Distance of the grid, in EGU of Output
QColor colBezier; // Color of Bezier curve
QString strInputEGU; // Engineering Units input (vertical axis)
QString strOutputEGU; // Engineering Units output (horizontal axis)
QString strCaption; // Caption of the graph
QString strSettingsFile; // Name of last read INI-file
bool _draw_background; // Flag to determine if the background should be (re-)drawn on the QPixmap
QPixmap _background; // Image of the static parts (axis, lines, etc.)
bool _draw_function; // Flag to determine if the function should be (re-)drawn on the QPixmap
QPixmap _function; // Image of the function (static unless edited by the user)
FunctionConfig* _config;
};
#endif // QFUNCTIONCONFIGURATOR_H
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