diff options
author | Stanislaw Halik <sthalik@misaki.pl> | 2015-10-30 07:37:41 +0100 |
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committer | Stanislaw Halik <sthalik@misaki.pl> | 2015-10-30 08:39:32 +0100 |
commit | aa066bdd4622d4f6824fee864f6be6806813f04d (patch) | |
tree | 3df328b8b364cba2373a85827191b259bd78d546 /tracker-pt/pt_video_widget.cpp | |
parent | d6a54431d178632a2bf466c9904f74abd143afe6 (diff) |
move to subdirectory-based build system
Closes #224
Diffstat (limited to 'tracker-pt/pt_video_widget.cpp')
-rw-r--r-- | tracker-pt/pt_video_widget.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tracker-pt/pt_video_widget.cpp b/tracker-pt/pt_video_widget.cpp new file mode 100644 index 00000000..cbb7c268 --- /dev/null +++ b/tracker-pt/pt_video_widget.cpp @@ -0,0 +1,55 @@ +/* Copyright (c) 2012 Patrick Ruoff + * Copyright (c) 2015 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. + * + * 20130312, WVR: Add 7 lines to resizeGL after resize_frame. This should lower CPU-load. + */ + +#include "pt_video_widget.h" + +void PTVideoWidget::update_image(const cv::Mat& frame) +{ + QMutexLocker foo(&mtx); + + if (!freshp) + { + _frame = frame.clone(); + freshp = true; + } +} + +void PTVideoWidget::update_and_repaint() +{ + QImage qframe; + { + QMutexLocker foo(&mtx); + if (_frame.empty() || !freshp) + return; + qframe = QImage(_frame.cols, _frame.rows, QImage::Format_RGB888); + freshp = false; + uchar* data = qframe.bits(); + const int pitch = qframe.bytesPerLine(); + unsigned char *input = (unsigned char*) _frame.data; + const int chans = _frame.channels(); + for (int y = 0; y < _frame.rows; y++) + { + const int step = y * _frame.step; + const int pitch_ = y * pitch; + for (int x = 0; x < _frame.cols; x++) + { + data[pitch_ + x * 3 + 0] = input[step + x * chans + 2]; + data[pitch_ + x * 3 + 1] = input[step + x * chans + 1]; + data[pitch_ + x * 3 + 2] = input[step + x * chans + 0]; + } + } + } + qframe = qframe.scaled(size(), Qt::IgnoreAspectRatio, Qt::FastTransformation); + { + QMutexLocker foo(&mtx); + texture = qframe; + } + update(); +} |