diff options
Diffstat (limited to 'tracker-aruco/ar_video_widget.cpp')
| -rw-r--r-- | tracker-aruco/ar_video_widget.cpp | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/tracker-aruco/ar_video_widget.cpp b/tracker-aruco/ar_video_widget.cpp index 1c3af262..2e87fdca 100644 --- a/tracker-aruco/ar_video_widget.cpp +++ b/tracker-aruco/ar_video_widget.cpp @@ -28,18 +28,20 @@ void ArucoVideoWidget::update_and_repaint() fresh = false; qframe = QImage(_frame.cols, _frame.rows, QImage::Format_RGB888); 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 unsigned pitch = qframe.bytesPerLine(); + unsigned char *input = _frame.data; + const unsigned chans = _frame.channels(); + const unsigned rows = _frame.rows, cols = _frame.cols; + const unsigned step = _frame.step; + for (unsigned y = 0; y < rows; y++) { - const int step = y * _frame.step; - const int pitch_ = y * pitch; - for (int x = 0; x < _frame.cols; x++) + const unsigned step_ = y * step; + const unsigned pitch_ = y * pitch; + for (unsigned x = 0; x < 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]; + 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]; } } } |