diff options
Diffstat (limited to 'ftnoir_tracker_aruco/ar_video_widget.cpp')
-rw-r--r-- | ftnoir_tracker_aruco/ar_video_widget.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/ftnoir_tracker_aruco/ar_video_widget.cpp b/ftnoir_tracker_aruco/ar_video_widget.cpp new file mode 100644 index 00000000..9a089213 --- /dev/null +++ b/ftnoir_tracker_aruco/ar_video_widget.cpp @@ -0,0 +1,42 @@ +/* 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. + */ + +#include "ar_video_widget.h" + +#include <QDebug> + +using namespace std; + +void ArucoVideoWidget::update_image(const cv::Mat& frame) +{ + QMutexLocker foo(&mtx); + _frame = frame.clone(); +} + +void ArucoVideoWidget::update_and_repaint() +{ + QMutexLocker foo(&mtx); + if (_frame.cols*_frame.rows <= 0) + return; + QImage qframe = QImage(_frame.cols, _frame.rows, QImage::Format_RGB888); + uchar* data = qframe.bits(); + const int pitch = qframe.bytesPerLine(); + for (int y = 0; y < _frame.rows; y++) + { + for (int x = 0; x < _frame.cols; x++) + { + const auto& elt = _frame.at<cv::Vec3b>(y, x); + const cv::Scalar elt2 = static_cast<cv::Scalar>(elt); + data[y * pitch + x * 3 + 0] = elt2.val[2]; + data[y * pitch + x * 3 + 1] = elt2.val[1]; + data[y * pitch + x * 3 + 2] = elt2.val[0]; + } + } + auto qframe2 = qframe.scaled(size(), Qt::IgnoreAspectRatio, Qt::FastTransformation); + texture = qframe2; + update(); +} |