internal void EnsureLightCurveForm()
{
m_LightCurveForm = new frmLightCurve(this, m_AddinsController);
m_LightCurveForm.Show(m_MainFormView);
m_LightCurveForm.Update();
}
public void OpenLcFile(string fileName)
{
var fi = new FileInfo(fileName);
double expectedMemoryMbNeeded = 500 /* For Tangra to operate*/ + 20*fi.Length/(1024*1024) /* For the .lc file to be unpacked and loaded in memory */;
double availableMemoryMb = CrossPlaform.GetAvailableMemoryInMegabytes();
if (expectedMemoryMbNeeded > availableMemoryMb)
{
if (MessageBox.Show(
m_MainFormView,
string.Format("It appears that you may be running in a low memory conditions and opening this file will require at least {0}Gb of free memory. Do you wish to continue?", (Math.Ceiling(expectedMemoryMbNeeded/512.0)/2).ToString("0.0")),
"Warning",
MessageBoxButtons.YesNo,
MessageBoxIcon.Warning) == DialogResult.No)
{
return;
}
}
m_MainFormView.Cursor = Cursors.WaitCursor;
LCFile lcFile = null;
try
{
m_MainFormView.Update();
lcFile = LCFile.Load(fileName, m_VideoController);
if (lcFile != null)
{
ReduceLightCurveOperation operation = (ReduceLightCurveOperation)m_VideoController.SetOperation<ReduceLightCurveOperation>(this, false);
operation.SetLCFile(lcFile);
string videoFile = GetVideoFileMatchingLcFile(lcFile, fileName);
if (!string.IsNullOrEmpty(videoFile) &&
File.Exists(videoFile))
{
if (m_VideoController.OpenVideoFile(videoFile, new TangraOpenFileArgs { FrameRate = lcFile.Header.FramesPerSecond, BitPix = lcFile.Footer.DataBitPix, SerTiming = lcFile.Header.SerTimingType }))
{
TangraContext.Current.CanPlayVideo = false;
m_VideoController.UpdateViews();
}
}
else
{
// NOTE: No video file found, just show the saved averaged frame
bool oldCanProcessLightCurvePixels = TangraContext.Current.CanProcessLightCurvePixels;
TangraContext.Current.Reset();
TangraContext.Current.CanProcessLightCurvePixels = oldCanProcessLightCurvePixels;
if (lcFile.Footer.AveragedFrameBytes != null)
{
if (m_VideoController.SingleBitmapFile(lcFile))
{
TangraContext.Current.CanPlayVideo = false;
m_VideoController.UpdateViews();
PSFFit.SetDataRange(lcFile.Footer.DataBitPix, lcFile.Footer.DataAav16NormVal);
}
}
TangraContext.Current.CanPlayVideo = false;
TangraContext.Current.CanScrollFrames = false;
m_VideoController.UpdateViews();
}
m_Context = new LightCurveContext(lcFile);
m_LightCurveForm = new frmLightCurve(this, m_AddinsController, lcFile, fileName);
m_LightCurveForm.SetGeoLocation(m_VideoController.GeoLocation);
m_LightCurveForm.Show(m_MainFormView);
m_LightCurveForm.Update();
// TODO: Review the VideoController-LightCurveController-ReduceLightCurveOperation relation and how they are initialized
// TODO: Provide a clean way of initializing the controller/operation state when opening an .lc file!
operation.EnterViewLightCurveMode(lcFile, m_VideoController, m_VideoController.ControlerPanel);
RegisterRecentFile(RecentFileType.LightCurve, fileName);
if (!string.IsNullOrEmpty(m_VideoController.CurrentVideoFileType))
{
// Move to the first frame in the light curve
m_VideoController.MoveToFrame((int) lcFile.Header.MinFrame);
}
TangraContext.Current.FileName = Path.GetFileName(fileName);
TangraContext.Current.FileFormat = m_lcFile.Header.SourceInfo;
m_VideoController.UpdateViews();
}
}
catch (IOException ioex)
{
MessageBox.Show(ioex.Message, "Tangra", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
m_MainFormView.Cursor = Cursors.Default;
}
}