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Diffstat (limited to 'ftnoir_tracker_aruco/ar_video_widget.cpp')
-rw-r--r--ftnoir_tracker_aruco/ar_video_widget.cpp42
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();
+}