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/* Copyright (c) 2011-2014 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.
*/
#pragma once
#include <QWidget>
#include <QtGui>
#include <QPointF>
#include <QElapsedTimer>
#include "qfunctionconfigurator/functionconfig.h"
#include "ftnoir_tracker_base/ftnoir_tracker_base.h"
class FTNOIR_TRACKER_BASE_EXPORT QFunctionConfigurator : public QWidget
{
Q_OBJECT
Q_PROPERTY(QColor colorBezier READ colorBezier WRITE setColorBezier)
public:
QFunctionConfigurator(QWidget *parent = 0);
FunctionConfig* config();
void setConfig(FunctionConfig* config, const QString &name);
void saveSettings(QString settingsFile, const QString &name);
QColor colorBezier() const
{
return spline_color;
}
void setColorBezier(QColor color)
{
spline_color = color;
update();
}
protected slots:
void paintEvent(QPaintEvent *e);
void mousePressEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
private:
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 point_within_pixel(const QPointF& pt, const QPointF& pixel);
protected:
virtual void resizeEvent(QResizeEvent *);
private:
void update_range() {
if (!_config)
return;
const double w = width(), h = height();
const double mwl = 40, mhl = 20;
const double mwr = 15, mhr = 35;
pixel_bounds = QRectF(mwl, mhl, (w - mwl - mwr), (h - mhl - mhr));
c = QPointF(pixel_bounds.width() / _config->maxInput(), pixel_bounds.height() / _config->maxOutput());
_draw_function = true;
_background = QPixmap();
_function = QPixmap();
}
QPointF pixel_coord_to_point (const QPointF& point);
QPointF point_to_pixel (const QPointF& point);
FunctionConfig* _config;
// bounds of the rectangle user can interact with
QRectF pixel_bounds;
int moving_control_point_idx;
QElapsedTimer timer;
QPointF c;
QColor spline_color;
QPixmap _background;
QPixmap _function;
bool _draw_function;
};
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