public PagePdf(pdf.PdfDocument Pdf, uint PageCount)
{
_Pdf = Pdf ?? throw new ArgumentNullException(nameof(Pdf));
_PageCount = PageCount;
if (_PageCount >= _Pdf.PageCount)
{
throw new ArgumentOutOfRangeException(nameof(PageCount));
}
}
/* A method to open a Remote PDF (The Hunger Games book) from a
* stream using HttpClient and a URL. */
public async void openRemote()
{
//Begin a new HTTPClient for access to urls
HttpClient client = new HttpClient();
//create a stream and wait for the client to get the url
var stream = await
client.GetStreamAsync(txtUri.Text);
//client.GetStreamAsync("http://www.kkoworld.com/kitablar/suzanna-kollinz-acliq-oyunlari-1-hisse-eng.pdf");
var memStream = new MemoryStream();
await stream.CopyToAsync(memStream);
memStream.Position = 0;
Windows.Data.Pdf.PdfDocument doc = await Windows.Data.Pdf.PdfDocument.LoadFromStreamAsync(memStream.AsRandomAccessStream());
//loads in the pdf
Load(doc);
}
//A method to Load in the Remote PDF file
async void Load(Windows.Data.Pdf.PdfDocument pdfDoc)
{
PdfPages.Clear();
//set up the pdf by saying i is less than total no. pages
for (uint i = 0; i < pdfDoc.PageCount; i++)
{
//Set up a new image to render the pdf to the app
BitmapImage image = new BitmapImage();
//get i-the pdf doc
var page = pdfDoc.GetPage(i);
//Ref:docs.Microsoft.com
//Provides random access of data in input and output streams
//that are stored in memory instead of on disk.
using (InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream())
{
await page.RenderToStreamAsync(stream);
await image.SetSourceAsync(stream);
}
PdfPages.Add(image);
}
}
public BookPdf(pdf.PdfDocument content)
{
Content = content ?? throw new ArgumentNullException(nameof(content));
OnLoaded();
}
