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/* Copyright (c) 2012 Patrick Ruoff
*
* 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 VIDEOWIDGET_H
#define VIDEOWIDGET_H
#include "frame_observer.h"
#include <QTime>
#include <QDialog>
#include <opencv2/opencv.hpp>
#ifndef OPENTRACK_API
# include <QGLWidget>
# include <boost/shared_ptr.hpp>
#else
# include "FTNoIR_Tracker_PT/boost-compat.h"
# if defined(_WIN32)
# include <dshow.h>
# endif
#endif
#include <QPainter>
#include <QPaintEvent>
#include <QTimer>
#ifndef OPENTRACK_API
// ----------------------------------------------------------------------------
// OpenGL based widget to display an OpenCV image with some points on top
class VideoWidget : public QGLWidget, public FrameObserver
{
Q_OBJECT
public:
VideoWidget(QWidget *parent, FrameProvider* provider) : QGLWidget(parent), FrameObserver(provider) {}
virtual void initializeGL();
virtual void resizeGL(int w, int h);
virtual void paintGL();
void update_frame_and_points();
private:
void resize_frame();
cv::Mat frame;
QImage qframe;
QImage resized_qframe;
boost::shared_ptr< std::vector<cv::Vec2f> > points;
};
#else
/* Qt moc likes to skip over preprocessor directives -sh */
class VideoWidget2 : public QWidget, public FrameObserver
{
Q_OBJECT
public:
VideoWidget2(QWidget *parent, FrameProvider* provider) : QWidget(parent), /* to avoid linker errors */ FrameObserver(provider) {
connect(&timer, SIGNAL(timeout()), this, SLOT(update()));
timer.start(45);
}
void update_image(const cv::Mat &frame);
void update_frame_and_points() {}
protected slots:
void paintEvent( QPaintEvent* e ) {
QMutexLocker foo(&mtx);
QPainter painter(this);
painter.drawPixmap(e->rect(), pixmap, e->rect());
}
private:
QMutex mtx;
QPixmap pixmap;
QTimer timer;
};
#endif
// ----------------------------------------------------------------------------
// A VideoWidget embedded in a dialog frame
class VideoWidgetDialog : public QDialog
{
Q_OBJECT
public:
VideoWidgetDialog(QWidget *parent, FrameProvider* provider);
virtual ~VideoWidgetDialog() {}
VideoWidget2* get_video_widget() { return video_widget; }
private:
VideoWidget2* video_widget;
};
#endif // VIDEOWIDGET_H
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