/// <summary>
/// Loads image based on overloaded int.
/// </summary>
/// <param name="x">The index of file to load from Pics</param>
internal static async void Pic(int x)
{
BitmapSource pic;
// Additional error checking
if (Pics.Count <= x)
{
if (x == 0)
{
var recovery = await RecoverFailedArchiveAsync().ConfigureAwait(true);
if (!recovery)
{
ToolTipStyle("Archive could not be processed");
Reload(true);
return;
}
}
// Untested code
pic = await PicErrorFix(x).ConfigureAwait(true);
if (pic == null)
{
Reload(true);
return;
}
}
if (x < 0)
{
pic = await PicErrorFix(x).ConfigureAwait(true);
}
//if (!canNavigate)
//{
// Reload(true);
// return;
//}
else
{
/// Add "pic" as local variable used for the image.
/// Use the Load() function load image from memory if available
/// if not, it will be null
pic = Preloader.Load(Pics[x]);
}
if (pic == null)
{
mainWindow.Title = Loading;
mainWindow.Bar.Text = Loading;
mainWindow.Bar.ToolTip = Loading;
TryZoomFit(Pics[x]);
var thumb = GetThumb();
if (thumb != null)
{
mainWindow.img.Source = thumb;
}
// Dissallow changing image while loading
canNavigate = false;
if (freshStartup)
{
// Load new value manually
await Task.Run(() => pic = RenderToBitmapSource(Pics[x])).ConfigureAwait(true);
}
else
{
do
{
// Try again while loading?
await Task.Delay(20).ConfigureAwait(true);
if (x < Pics.Count)
{
pic = Preloader.Load(Pics[x]);
}
} while (Preloader.IsLoading);
}
// If pic is still null, image can't be rendered
if (pic == null)
{
// Attempt to load new image
pic = await PicErrorFix(x).ConfigureAwait(true);
if (pic == null)
{
if (Pics.Count <= 1)
{
Unload();
return;
}
DisplayBrokenImage();
canNavigate = true;
return;
}
}
}
// Clear unsupported image window, if shown
if (mainWindow.img.Source == null && !freshStartup)
{
if (mainWindow.topLayer.Children.Count > 0)
{
mainWindow.topLayer.Children.Clear();
}
}
// Show the image! :)
mainWindow.img.Source = pic;
ZoomFit(pic.PixelWidth, pic.PixelHeight);
// Scroll to top if scroll enabled
if (IsScrollEnabled)
{
mainWindow.Scroller.ScrollToTop();
}
/// TODO Make it staying flipped a user preference
//// Prevent picture from being flipped if previous is
//if (Flipped)
// Flip();
// Update values
canNavigate = true;
SetTitleString(pic.PixelWidth, pic.PixelHeight, x);
FolderIndex = x;
AjaxLoadingEnd();
if (Pics.Count > 0)
{
Progress(x, Pics.Count);
// Preload images \\
if (Preloader.StartPreload())
{
Preloader.Add(pic, Pics[FolderIndex]);
await Preloader.PreLoad(x).ConfigureAwait(false);
}
}
if (!freshStartup)
{
RecentFiles.Add(Pics[x]);
}
freshStartup = false;
}