private async void showSequenceForFolder(StorageFolder sf, bool repeat)
{
if (stopSequence)
{
return;
}
IReadOnlyList <IStorageItem> snapList = await sf.GetItemsAsync();
try
{
for (int i = 0; i < snapList.Count; i++)
{
StorageFile currFile = await sf.GetFileAsync(snapList[i].Name);
BitmapImage bmpimg = await ImageController.GetImage(currFile);
sequenceElement.Source = bmpimg;
screensaverView.Source = bmpimg;
await Task.Delay(TimeSpan.FromMilliseconds(150));
}
}
catch (Exception ex)
{
addMessage("exception caught in sequence: " + ex.Message);
}
if (repeat)
{
this.showSequenceForFolder(sf, repeat);
}
}
public async Task <IAsyncInfo> GenerateGif(StorageFile file, int delay, bool repeat, List <StorageFile> sourceFiles)
{
List <byte[]> source = new List <byte[]>();
foreach (StorageFile sf in sourceFiles)
{
source.Add(await ImageController.ReadFile(sf));
}
return(GenerateGif(file, delay, repeat, source));
}
public IAsyncInfo GenerateGif(StorageFile file, int delay, bool repeat, List <BitmapImage> sourceBitmaps)
{
List <byte[]> source = new List <byte[]>();
foreach (BitmapImage bi in sourceBitmaps)
{
source.Add(ImageController.convertToBytes(bi));
}
return(GenerateGif(file, delay, repeat, source));
}
static public String ImageToBase64(BitmapImage image)
{
byte[] imagedata = ImageController.convertToBytes(image);
return(ImageController.ImageToBase64(imagedata));
}