Method UpdateFps

ActiveStereoMain.cpp:522–558

}

void ActiveStereoFrame::UpdateFps(wxUpdateUIEvent &event)
{
    wxDateTime now = wxDateTime::UNow();

    wxTimeSpan timeDiff = now.Subtract(timeOfLastFpsUpdate);

    if (timeDiff.GetMilliseconds() > 100)
    {
        // compute a new FPS
        double timeDiffNum = timeDiff.GetMilliseconds().ToDouble() / 1000.0;

        double fps = framesSinceLastFpsUpdate / timeDiffNum;

        framesSinceLastFpsUpdate = 0;

        timeOfLastFpsUpdate = now;

        wxString fpsString = wxString::Format(wxT("%4.1f"), fps);

        lblFPS->SetLabel(fpsString);

        // disable things if the fps is too low
        if (fps < 0.5)
        {
            cameraConnected = false;
            lblCameraConnected->SetLabel(wxT("Disconnected"));

            // reset layouts now that the length of the label in lblCameraConnected has changed
            flexGridStatus->Layout();
            staticBoxSizerStatus->Layout();
            headBoxSizer->Layout();

            butCapture->Enable(false);
        }
    }

}