/// <summary>
/// Sets the entry thumbnail.
/// Deletes the prior thumbnail file is found or previously set.
/// </summary>
/// <param name="mediaUrl">The media URL.</param>
/// <param name="bitmap">The bitmap.</param>
public void AddOrUpdateEntryThumbnail(string mediaUrl, BitmapDataBuffer bitmap)
{
lock (SyncRoot)
{
var entry = FindEntryByMediaUrl(mediaUrl);
if (entry == null)
{
return;
}
if (entry.Thumbnail != null)
{
var existingThumbnailFilePath = Path.Combine(ViewModel.ThumbsDirectory, entry.Thumbnail);
if (File.Exists(existingThumbnailFilePath))
{
File.Delete(existingThumbnailFilePath);
}
entry.Thumbnail = null;
}
using (var bmp = bitmap.CreateDrawingBitmap())
{
entry.Thumbnail = ThumbnailGenerator.SnapThumbnail(bmp, ViewModel.ThumbsDirectory);
}
}
}
private void TakeScreenshot()
{
string path;
string filePrefix = tbxFilePrefix.Text.Trim();
if (filePrefix.Length == 0)
{
MessageBox.Show("Check targetpath!");
return;
}
var captureTime = videoCreated + me.Position;
do
{
string fileName = string.Format(" {0}.png", Convert(captureTime));
path = filePrefix + fileName;
captureTime = captureTime.AddMilliseconds(1);
} while (File.Exists(path));
rect.Fill = Brushes.Black;
Task.Factory.StartNew(() => {
bmpBuffer.CreateDrawingBitmap().Save(path);
Dispatcher.Invoke(() => rect.Fill = Brushes.Transparent);
});
}