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/* Copyright (c) 2012-2016 Stanislaw Halik <sthalik@misaki.pl>
*
* 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.
*/
// Adapted to FaceTrackNoIR by Wim Vriend.
#pragma once
#include <QWidget>
#include <QtGui>
#include <QPointF>
#include "spline.hpp"
#include "opentrack/plugin-api.hpp"
class SPLINE_WIDGET_EXPORT QFunctionConfigurator : public QWidget
{
Q_OBJECT
Q_PROPERTY(QColor colorBezier READ colorBezier WRITE setColorBezier)
Q_PROPERTY(bool is_preview_only READ is_preview_only WRITE set_preview_only)
public:
QFunctionConfigurator(QWidget *parent = 0);
Map* config();
void setConfig(Map* config, const QString &name);
QColor colorBezier() const
{
return spline_color;
}
void setColorBezier(QColor color)
{
spline_color = color;
update();
}
void force_redraw()
{
_background = QPixmap();
update();
}
void set_preview_only(bool val);
bool is_preview_only() const;
void set_snap(int x, int y) { snap_x = x; snap_y = y; }
void get_snap(int& x, int& y) const { x = snap_x; y = snap_y; }
protected slots:
void paintEvent(QPaintEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
private:
void drawBackground();
void drawFunction();
void drawPoint(QPainter *painter, const QPointF &pt, QColor colBG, QColor border = QColor(50, 100, 120, 200));
void drawLine(QPainter *painter, const QPointF &start, const QPointF &end, QPen& pen);
bool point_within_pixel(const QPointF& pt, const QPointF& pixel);
protected:
void resizeEvent(QResizeEvent *) override;
private:
void update_range();
QPointF pixel_coord_to_point (const QPointF& point);
QPointF point_to_pixel(const QPointF& point);
Map* _config;
// bounds of the rectangle user can interact with
QRectF pixel_bounds;
int moving_control_point_idx;
QPointF c;
QColor spline_color;
QPixmap _background;
QPixmap _function;
int snap_x, snap_y;
bool _draw_function, _preview_only;
static constexpr int line_length_pixels = 3;
static constexpr int point_size = 4;
static constexpr int point_closeness_limit = 5;
};
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