public void Delete(string filename)
{
try
{
using (IsolatedStorageFile isStore = IsolatedStorageFile.GetUserStoreForApplication())
{
isStore.DeleteFile(PicturesFolder + "\\" + filename);
}
all.RemoveAll(x => x.Equals(filename));
SessionLog.RecordTraceValue("Deleted picture", filename);
}
catch (Exception ex) { LittleWatson.ReportException(ex); }
foreach (var vm in vms)
{
vm.Refresh();
}
}
public void UpdateNewItemWithID(string text)
{
try
{
var NewFilename = string.Format("item{0}-", text);
using (IsolatedStorageFile isStore = IsolatedStorageFile.GetUserStoreForApplication())
{
foreach (var filename in isStore.GetFileNames(PicturesFolder + "\\item0-*"))
{
isStore.MoveFile(PicturesFolder + "\\" + filename, PicturesFolder + "\\" + filename.Replace("item0-", NewFilename));
}
all.Clear();
all.AddRange(isStore.GetFileNames(PicturesFolder + "\\*"));
}
}
catch (Exception ex) { LittleWatson.ReportException(ex); }
foreach (var vm in vms)
{
vm.Refresh();
}
}
private PictureCache()
{
try
{
using (IsolatedStorageFile isStore = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isStore.DirectoryExists(PicturesFolder))
{
isStore.CreateDirectory(PicturesFolder);
}
List <string> ToDelete = new List <string>();
ToDelete.AddRange(isStore.GetFileNames(PicturesFolder + "\\item0-*"));
foreach (var filename in ToDelete)
{
SessionLog.RecordTraceValue("Deleting zombie picture", filename);
isStore.DeleteFile(PicturesFolder + "\\" + filename);
}
all.AddRange(isStore.GetFileNames(PicturesFolder + "\\*"));
}
}
catch (Exception ex) { LittleWatson.ReportException(ex); }
}
public void Save(MemoryStream stream, string filename, string foodId, bool rotate)
{
BitmapImage b = new BitmapImage();
b.CreateOptions = BitmapCreateOptions.None;
b.SetSource(stream);
//calculate bounding box
int w = b.PixelWidth;
int h = b.PixelHeight;
WriteableBitmap wb;
if (w == h)
{
wb = new WriteableBitmap(b);
}
else
{
// crop to square
int s = (h < w) ? h : w;
Image temporaryImage = new Image {
Source = b, Width = w, Height = h
};
wb = new WriteableBitmap(s, s);
Transform t;
var tt = new TranslateTransform();
tt.X = (s - w) / 2.0;
tt.Y = (s - h) / 2.0;
if (rotate)
{
t = new CompositeTransform()
{
TranslateX = tt.X, TranslateY = tt.Y, CenterX = 0.5 * w, CenterY = 0.5 * h, Rotation = 90
}
}
;
else
{
t = tt;
}
wb.Render(temporaryImage, t);
wb.Invalidate();
}
long len = 0;
using (IsolatedStorageFile isStore = IsolatedStorageFile.GetUserStoreForApplication())
{
using (var outstream = isStore.CreateFile(PicturesFolder + "\\" + filename))
{
wb.SaveJpeg(outstream, PictureSize, PictureSize, 0, PictureQuality);
len = outstream.Length / 1024;
all.Add(filename);
}
}
SessionLog.RecordTraceValue("New picture", filename, len.ToString() + " kb");
var bw = new System.ComponentModel.BackgroundWorker();
bw.DoWork += (s, a) =>
{
try
{
MessageQueue.Push(new PictureMessage(wb, foodId, filename));
SessionLog.RecordTrace("Picture msg saved.");
}
catch (Exception ex) { LittleWatson.ReportException(ex); }
};
bw.RunWorkerAsync();
foreach (var vm in vms)
{
vm.Refresh();
}
}