private void worker_DoWork(object sender, DoWorkEventArgs e)
{
var item = ServiceProvider.Settings.SelectedBitmap.FileItem;
if (ServiceProvider.Settings.SelectedBitmap.FileItem == null)
{
return;
}
//bool fullres = e.Argument is bool && (bool) e.Argument ||LayoutViewModel.ZoomFit
//bool fullres = !LayoutViewModel.ZoomFit;
bool fullres = e.Argument is bool && (bool)e.Argument;
if ((!File.Exists(item.LargeThumb) && item.IsJpg && File.Exists(item.FileName)))
{
try
{
PhotoUtils.WaitForFile(item.FileName);
ServiceProvider.Settings.SelectedBitmap.DisplayImage = (WriteableBitmap)BitmapLoader.Instance.LoadImage(item.FileName, BitmapLoader.LargeThumbSize,
0);
}
catch (Exception ex)
{
Log.Error("Unable to load fast preview", ex);
}
}
ServiceProvider.Settings.ImageLoading = fullres ||
!ServiceProvider.Settings.SelectedBitmap.FileItem.IsLoaded;
if (ServiceProvider.Settings.SelectedBitmap.FileItem.Loading)
{
while (ServiceProvider.Settings.SelectedBitmap.FileItem.Loading)
{
Thread.Sleep(10);
}
}
else
{
BitmapLoader.Instance.GenerateCache(ServiceProvider.Settings.SelectedBitmap.FileItem);
}
if (!ServiceProvider.Settings.SelectedBitmap.FileItem.HaveHistogramReady())
{
ServiceProvider.QueueManager.Add(new QueueItemFileItem
{
FileItem = ServiceProvider.Settings.SelectedBitmap.FileItem,
Generate = QueueType.Histogram
});
}
ServiceProvider.Settings.SelectedBitmap.DisplayImage =
BitmapLoader.Instance.LoadImage(ServiceProvider.Settings.SelectedBitmap.FileItem, fullres);
BitmapLoader.Instance.SetData(ServiceProvider.Settings.SelectedBitmap,
ServiceProvider.Settings.SelectedBitmap.FileItem);
BitmapLoader.Highlight(ServiceProvider.Settings.SelectedBitmap,
ServiceProvider.Settings.HighlightUnderExp,
ServiceProvider.Settings.HighlightOverExp);
ServiceProvider.Settings.SelectedBitmap.FullResLoaded = fullres;
ServiceProvider.Settings.ImageLoading = false;
GC.Collect();
Dispatcher.BeginInvoke(new Action(OnImageLoaded));
}
public bool Execute(QueueManager manager)
{
try
{
if (FileItem.ItemType != FileItemType.File)
{
return(true);
}
switch (Generate)
{
case QueueType.Thumb:
if (File.Exists(FileItem.SmallThumb))
{
var thumb = BitmapLoader.Instance.LoadSmallImage(FileItem);
thumb.Freeze();
FileItem.Thumbnail = thumb;
thumb = thumb.Clone();
BitmapLoader.Highlight(thumb, true, true);
BitmapLoader.Instance.DrawFocusPoints(FileItem, thumb);
thumb.Freeze();
FileItem.ThumbnailMarks = thumb;
}
else
{
FileItem.GetExtendedThumb();
if (ServiceProvider.Settings.SelectedBitmap.FileItem != FileItem)
{
ServiceProvider.QueueManager.Add(new QueueItemFileItem
{
FileItem = FileItem,
Generate = QueueType.Cache
});
}
}
break;
case QueueType.Cache:
BitmapLoader.Instance.GenerateCache(FileItem);
if (!FileItem.HaveHistogramReady())
{
ServiceProvider.QueueManager.AddWithLowPriority(new QueueItemFileItem
{
FileItem = FileItem,
Generate = QueueType.Histogram
});
}
break;
case QueueType.Histogram:
BitmapLoader.Instance.LoadHistogram(FileItem);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
catch (Exception)
{
//Log.Error(e);
}
return(true);
}
