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let pdfviewer accepts streams

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This commit is contained in:
Paddy Xu
2018-09-02 13:44:53 +03:00
parent f98022401f
commit e4db93704e
2 changed files with 42 additions and 7 deletions
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37
QuickLook.Plugin/QuickLook.Plugin.PDFViewer/PdfViewerControl.xaml.cs
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@@ -249,6 +249,21 @@ namespace QuickLook.Plugin.PDFViewer
listThumbnails.Visibility = Visibility.Collapsed;
}
public void LoadPdf(MemoryStream stream)
{
_pdfStream = new MemoryStream();
stream.WriteTo(_pdfStream);
_pdfStream.Position = 0;
_pdfHandle = PdfDocument.Load(_pdfStream);
_pdfLoaded = true;
BeginLoadThumbnails(stream);
if (_pdfHandle.PageCount < 2)
listThumbnails.Visibility = Visibility.Collapsed;
}
private void BeginLoadThumbnails(string path, string password = null)
{
new Task(() =>
@@ -270,6 +285,28 @@ namespace QuickLook.Plugin.PDFViewer
}).Start();
}
private void BeginLoadThumbnails(MemoryStream stream, string password = null)
{
var localStream = new MemoryStream();
stream.WriteTo(localStream);
localStream.Position = 0;
new Task(() =>
{
using (var handle = PdfDocument.Load(localStream, password))
{
for (var p = 0; p < handle.PageCount; p++)
{
var bs = handle.RenderThumbnail(p);
Dispatcher.BeginInvoke(new Action(() => PageThumbnails.Add(bs)));
}
handle.Dispose();
}
}).Start();
}
protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));