private void GIFPlayer_MediaEnded(object sender, RoutedEventArgs e)
{
if (!mediaPaused)
{
GIFPlayer.Position = new TimeSpan(0, 0, 1);
GIFPlayer.Play();
}
}
public void OpenImage()
{
if (CurrentImage == LastImage)
{
return;
}
ResetZoom();
using (mediaStream = new FileStream(CurrentImage, FileMode.Open, FileAccess.Read))
{
if (Path.GetExtension(CurrentImage) == ".gif")
{
using (Image gif = Image.FromStream(stream: mediaStream, useEmbeddedColorManagement: false, validateImageData: false))
{
mediaPaused = false;
ImagePlayer.Source = null;
Uri imageUri = new Uri(CurrentImage);
GIFPlayer.Source = imageUri;
GIFPlayer.Width = gif.PhysicalDimension.Width;
GIFPlayer.Height = gif.PhysicalDimension.Height;
GIFPlayer.MediaEnded += GIFPlayer_MediaEnded;
GIFPlayer.Play();
element = GIFPlayer;
}
}
else
{
GIFPlayer.MediaEnded -= GIFPlayer_MediaEnded;
GIFPlayer.Close();
GIFPlayer.Source = null;
bitmap = new Bitmap(mediaStream);
bitmapSource = Imaging.CreateBitmapSourceFromHBitmap(bitmap.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
ImagePlayer.Source = bitmapSource;
bitmap.Dispose();
ImagePlayer.Width = ImagePlayer.Source.Width;
ImagePlayer.Height = ImagePlayer.Source.Height;
element = ImagePlayer;
}
}
}
private void MainWindow_KeyDown(object sender, KeyEventArgs e)
{
base.OnKeyDown(e);
switch (e.Key)
{
case Key.Left:
SetCurrentImage(true);
break;
case Key.Right:
SetCurrentImage(false);
break;
case Key.Up:
ZoomIn(false);
break;
case Key.Down:
ZoomOut(false);
break;
case Key.Space:
if (GIFPlayer.Source != null)
{
if (!mediaPaused)
{
mediaPaused = true;
GIFPlayer.Pause();
}
else
{
mediaPaused = false;
GIFPlayer.Play();
}
}
break;
}
}