private void DisplayStatus()
{
if (PdfDocument == null)
{
return;
}
tbPagesCount.Text = PdfDocument.PageCount.ToString();
Windows.Data.Pdf.PdfPage page = PdfDocument.GetPage(0);
tbDpi.Text = page.Size.Height.ToString();
page.Dispose();
}
/// <summary>
/// Cache printable output
/// </summary>
/// <param name="p">Number of first page to print</param>
/// <param name="count">Number of pages to print</param>
/// <returns>Task that the caller is expected to await</returns>
private async Task PrepareForPrintAsync(int p, int count /*, StorageFolder tempfolder*/)
{
if ((_pageImages is null) || (_pageImages.Count == 0))
{
ClearCachedPages();
_pageImages = new List <Windows.UI.Xaml.Controls.Image>();
_ = new Windows.UI.Xaml.Controls.Image();
for (int i = p; i < count; i++)
{
ApplicationLanguages.PrimaryLanguageOverride =
CultureInfo.InvariantCulture.TwoLetterISOLanguageName;
Windows.Data.Pdf.PdfPage pdfPage = _pdfDocument.GetPage(uint.Parse(i.ToString()));
double pdfPagePreferredZoom = pdfPage.PreferredZoom;
IRandomAccessStream randomStream = new InMemoryRandomAccessStream();
global::Windows.Data.Pdf.PdfPageRenderOptions pdfPageRenderOptions =
new global::Windows.Data.Pdf.PdfPageRenderOptions();
Windows.Foundation.Size pdfPageSize = pdfPage.Size;
pdfPageRenderOptions.DestinationHeight = (uint)(pdfPageSize.Height * pdfPagePreferredZoom);
pdfPageRenderOptions.DestinationWidth = (uint)(pdfPageSize.Width * pdfPagePreferredZoom);
await pdfPage.RenderToStreamAsync(randomStream, pdfPageRenderOptions);
Windows.UI.Xaml.Controls.Image imageCtrl = new Windows.UI.Xaml.Controls.Image();
BitmapImage src = new BitmapImage();
randomStream.Seek(0);
src.SetSource(randomStream);
imageCtrl.Source = src;
Windows.Graphics.Display.DisplayInformation DisplayInformation = Windows.Graphics.Display.DisplayInformation.GetForCurrentView();
float dpi = DisplayInformation.LogicalDpi / 96;
imageCtrl.Height = src.PixelHeight / dpi;
imageCtrl.Width = src.PixelWidth / dpi;
randomStream.Dispose();
pdfPage.Dispose();
_pageImages.Add(imageCtrl);
AddPageToCache(imageCtrl);
}
}
}
private async void btnCombinar_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
if (model.Etiquetas.Count() > 0)
{
try
{
model.ScenarioRunning = true;
Models.Etiquetas.Etiquetas_GetArchivosBindingModel mdl = new Models.Etiquetas.Etiquetas_GetArchivosBindingModel();
mdl.Aplicacion = model.Aplicacion;
mdl.Categoria = model.Categoria;
mdl.Etiquetas = model.Etiquetas;
long IDArchivo = await Models.EtiquetasModel.Get(mdl);
Models.Archivos.Archivos_GetBindingModel model2 = new Models.Archivos.Archivos_GetBindingModel();
model2.ID = IDArchivo;
IBuffer buffer = await Models.ArchivosModel.Get(model2);
Windows.Data.Pdf.PdfDocument pdf = await Windows.Data.Pdf.PdfDocument.LoadFromStreamAsync(buffer.AsStream().AsRandomAccessStream());
for (uint i = 0; i < pdf.PageCount; i++)
{
Windows.Data.Pdf.PdfPage page = pdf.GetPage(i);
StorageFile bmpFile = await model.DestinationFolder.CreateFileAsync(string.Format("Pagina {0}.bmp", i + 1), CreationCollisionOption.GenerateUniqueName);
IRandomAccessStream stream = await bmpFile.OpenAsync(FileAccessMode.ReadWrite);
await page.RenderToStreamAsync(stream);
await stream.FlushAsync();
stream.Dispose();
page.Dispose();
Utils.SetImageSourceFromFile(bmpFile, DisplayImage);
rootPage.NotifyUser("Apertura en progreso...", NotifyType.StatusMessage);
Utils.UpdateFileData(bmpFile, model);
ScanerListView.SelectedItem = model.FileList.Last();
}
rootPage.NotifyUser(String.Empty, NotifyType.StatusMessage);
}
catch (Exception)
{
// No pasa nada
}
finally
{
model.ScenarioRunning = false;
}
}
else
{
rootPage.NotifyUser("Debe ingresar primero los datos", NotifyType.ErrorMessage);
}
}