private frmLoadingImages OpenProgressForm()
{
frmLoadingImages frmLoading = null;
Form ownerForm = null;
ownerForm = Application.OpenForms.Cast <Form>().FirstOrDefault(x => x != null && x.Owner == null);
frmLoading = new frmLoadingImages();
frmLoading.Show(ownerForm);
frmLoading.Cursor = Cursors.WaitCursor;
frmLoading.Invalidate();
if (ownerForm != null)
{
try
{
ownerForm.Parent = ownerForm;
}
catch
{ }
ownerForm.Cursor = Cursors.WaitCursor;
ownerForm.Update();
}
Application.DoEvents();
return(frmLoading);
}
private void CloseProgressForm(frmLoadingImages frmLoading)
{
if (frmLoading != null)
{
if (frmLoading.Owner != null)
{
frmLoading.Owner.Cursor = Cursors.Default;
frmLoading.Owner.Update();
}
frmLoading.Close();
}
}
private frmLoadingImages OpenProgressForm(IWin32Window ownerForm)
{
frmLoadingImages frmLoading = null;
frmLoading = new frmLoadingImages();
frmLoading.Show(ownerForm);
frmLoading.Cursor = Cursors.WaitCursor;
frmLoading.Invalidate();
if (frmLoading.Owner != null)
{
frmLoading.Owner.Cursor = Cursors.WaitCursor;
frmLoading.Owner.Update();
}
Application.DoEvents();
return(frmLoading);
}
private void BufferEmbeddedOccultationVideo(IWin32Window ownerForm)
{
string occultationVideoFileName = Path.GetFullPath(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) + @"\Resources\simulator.pix");
width = 320;
height = 264;
frmLoadingImages frmLoading = OpenProgressForm(ownerForm);
try
{
using (var decompressedData = new MemoryStream())
{
using (var sourceFile = new FileStream(occultationVideoFileName, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var gzip = new GZipStream(sourceFile, CompressionMode.Decompress))
{
const int size = 4096;
byte[] bytes = new byte[size];
int numBytes;
while ((numBytes = gzip.Read(bytes, 0, size)) > 0)
{
decompressedData.Write(bytes, 0, numBytes);
}
decompressedData.Flush();
}
decompressedData.Position = 0;
byte[] frameBuffer = new byte[width * height];
for (int i = 0; i < 200; i++)
{
int[,] frame = new int[height, width];
decompressedData.Read(frameBuffer, 0, frameBuffer.Length);
for (int j = 0; j < height; j++)
{
for (int k = 0; k < width; k++)
{
frame[j, k] = (int)frameBuffer[k + j * width];
}
}
allImagesPixels.Add(frame);
frmLoading.SetProgress(i, 200);
}
}
errorBitmap = null;
errorPixels = null;
bufferedImageWidth = width;
bufferedImageHeight = height;
}
catch (Exception ex)
{
DebugTrace.TraceError(ex);
errorBitmap = new Bitmap(width, height);
PrepareErrorMessage(ex.Message);
errorPixels = CopyBitmapPixels(errorBitmap);
}
finally
{
CloseProgressForm(frmLoading);
}
}
private void BufferVideoFrames(IWin32Window ownerForm, string bitmapFilesLocation)
{
frmLoadingImages frmLoading = OpenProgressForm(ownerForm);
try
{
string[] files = Directory.GetFiles(bitmapFilesLocation, "*.bmp");
allFiles.AddRange(files);
allFiles.Sort();
if (allFiles.Count > 0)
{
width = 0;
height = 0;
// TODO: Use .NET 4 multithreaded loading
for (int i = 0; i < allFiles.Count; i++)
{
var bmp = new Bitmap(allFiles[i]);
if (width == 0 && height == 0)
{
width = bmp.Width;
height = bmp.Height;
}
else if (width != bmp.Width || height != bmp.Height)
{
throw new ApplicationException("All bitmaps must be the same size.");
}
int[,] pixels = CopyBitmapPixels(bmp);
allImagesPixels.Add(pixels);
frmLoading.SetProgress(i + 1, allFiles.Count);
}
errorBitmap = null;
errorPixels = null;
bufferedImageWidth = width;
bufferedImageHeight = height;
DebugTrace.TraceInfo(string.Format("Loaded {0} camera images from '{1}'", allFiles.Count, bitmapFilesLocation));
}
else
{
errorBitmap = new Bitmap(width, height);
PrepareErrorMessage(string.Format("No bmp file found in '{0}'", bitmapFilesLocation));
errorPixels = CopyBitmapPixels(errorBitmap);
DebugTrace.TraceError(string.Format("No camera images found in '{0}'", bitmapFilesLocation));
}
}
catch (Exception ex)
{
DebugTrace.TraceError(ex);
errorBitmap = new Bitmap(width, height);
PrepareErrorMessage(ex.Message);
errorPixels = CopyBitmapPixels(errorBitmap);
}
finally
{
CloseProgressForm(frmLoading);
}
}
