public async Task ScanBarcodeAsync(Windows.Storage.StorageFile file)
{
WriteableBitmap bitmap;
BitmapDecoder decoder;
using (IRandomAccessStream str = await file.OpenReadAsync())
{
decoder = await BitmapDecoder.CreateAsync(str);
bitmap = new WriteableBitmap(Convert.ToInt32(decoder.PixelWidth), Convert.ToInt32(decoder.PixelHeight));
await bitmap.SetSourceAsync(str);
}
lock (locker)
{
ZXing.BarcodeReader reader = new ZXing.BarcodeReader();
reader.Options.PossibleFormats = new ZXing.BarcodeFormat[] { ZXing.BarcodeFormat.CODE_128, ZXing.BarcodeFormat.QR_CODE, ZXing.BarcodeFormat.CODE_39 };
reader.Options.TryHarder = true;
reader.AutoRotate = true;
var results = reader.Decode(bitmap);
if (results == null)
{
this.OnBarcodeScannCompleted(new BarcodeScanCompletedEventArgs(false, string.Empty));
}
else
{
this.OnBarcodeScannCompleted(new BarcodeScanCompletedEventArgs(true, results.Text));
}
}
}
public async static Task<IBook> GetBookFromFile(Windows.Storage.IStorageFile file)
{
if (file == null) { return null; }
else if (Path.GetExtension(file.Path).ToLower() == ".pdf")
{
var book = new Books.Pdf.PdfBook();
await book.Load(file);
return book;
}
else if (new string[] { ".zip", ".cbz" }.Contains(Path.GetExtension(file.Path).ToLower()))
{
var book = new Books.Cbz.CbzBook();
await book.LoadAsync(WindowsRuntimeStreamExtensions.AsStream(await file.OpenReadAsync()));
return book;
}
else if (new string[] { ".rar", ".cbr" }.Contains(Path.GetExtension(file.Path).ToLower()))
{
var book = new Books.Compressed.CompressedBook();
await book.LoadAsync(WindowsRuntimeStreamExtensions.AsStream(await file.OpenReadAsync()));
return book;
}
return null;
}
