diff options
| author | Stanislaw Halik <sthalik@misaki.pl> | 2014-09-06 03:50:52 -0700 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2014-09-06 03:50:52 -0700 |
| commit | db59542cbb2fc3c2ac1b40928d514113bced8b0b (patch) | |
| tree | 88b9c5efe598aed10bb82c54bfcc04a638866f0d /ftnoir_tracker_pt/pt_video_widget.cpp | |
| parent | b2167e6cba93106e3e6fa4a8337ebadbf049c1f8 (diff) | |
rename case
Diffstat (limited to 'ftnoir_tracker_pt/pt_video_widget.cpp')
| -rw-r--r-- | ftnoir_tracker_pt/pt_video_widget.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/ftnoir_tracker_pt/pt_video_widget.cpp b/ftnoir_tracker_pt/pt_video_widget.cpp new file mode 100644 index 00000000..02817cbf --- /dev/null +++ b/ftnoir_tracker_pt/pt_video_widget.cpp @@ -0,0 +1,64 @@ +/* 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.
+ *
+ * 20130312, WVR: Add 7 lines to resizeGL after resize_frame. This should lower CPU-load.
+ */
+
+#include "pt_video_widget.h"
+
+#include <QDebug>
+#include <QHBoxLayout>
+
+using namespace cv;
+using namespace std;
+
+void PTVideoWidget::update_image(const cv::Mat& frame)
+{
+ QMutexLocker foo(&mtx);
+ _frame = frame.clone();
+ freshp = true;
+}
+
+// ----------------------------------------------------------------------------
+VideoWidgetDialog::VideoWidgetDialog(QWidget *parent, FrameProvider* provider)
+ : QDialog(parent),
+ video_widget(NULL)
+{
+ const int VIDEO_FRAME_WIDTH = 640;
+ const int VIDEO_FRAME_HEIGHT = 480;
+
+ video_widget = new PTVideoWidget(this, provider);
+
+ QHBoxLayout* layout = new QHBoxLayout();
+ layout->setContentsMargins(0, 0, 0, 0);
+ layout->addWidget(video_widget);
+ if (this->layout()) delete this->layout();
+ setLayout(layout);
+ resize(VIDEO_FRAME_WIDTH, VIDEO_FRAME_HEIGHT);
+}
+
+void PTVideoWidget::update_and_repaint()
+{
+ QMutexLocker foo(&mtx);
+ if (_frame.empty() || !freshp)
+ return;
+ freshp = false;
+ 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<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];
+ }
+ qframe = qframe.scaled(size(), Qt::IgnoreAspectRatio, Qt::FastTransformation);
+ texture = qframe;
+ update();
+}
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