/// <summary>
/// Applies the context changes over thread pool.
/// </summary>
private void ApplyContextChangesOverThreadPool(LinkChain <ContextChange> changeChain)
{
unchecked
{
ContextChange nextLink;
ContextChange context = changeChain.Head;
int contextCount = changeChain.Count;
int contextIndex;
for (contextIndex = 0; contextIndex <= (contextCount - 5); contextIndex += 5)
{
ContextChange context0 = context; nextLink = context0.NextLink; context0.NextLink = null; //+ paranoia
ContextChange context1 = nextLink; nextLink = context1.NextLink; context1.NextLink = null; //+ paranoia
ContextChange context2 = nextLink; nextLink = context2.NextLink; context2.NextLink = null; //+ paranoia
ContextChange context3 = nextLink; nextLink = context3.NextLink; context3.NextLink = null; //+ paranoia
ContextChange context4 = nextLink; nextLink = context4.NextLink; context4.NextLink = null; //+ paranoia
context = nextLink;
_threadPool.Add(new ContextChange[] { context0, context1, context2, context3, context4 });
}
if (contextIndex != contextCount)
{
contextCount -= contextIndex;
ContextChange[] contextArray = new ContextChange[contextCount];
contextIndex = 0;
//for (; context != null; context = nextLink)
for (; contextIndex < contextCount; context = nextLink)
{
nextLink = context.NextLink; context.NextLink = null; //+ paranoia
contextArray[contextIndex++] = context;
}
_threadPool.Add(contextArray);
}
//+ clear
changeChain.Clear();
}
}
/// <summary>
/// Applies the context changes inline.
/// </summary>
private void ApplyContextChangesInline(LinkChain <ContextChange> changeChain)
{
unchecked
{
ContextChange nextLink;
for (ContextChange context = changeChain.Head; context != null; context = nextLink)
{
nextLink = context.NextLink; context.NextLink = null; //+ paranoia
context.Execute(null);
}
//+ clear
changeChain.Clear();
}
}
/// <summary>
/// Show image or thumbnail preview on drag enter
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal static void Image_DragEnter(object sender, DragEventArgs e)
{
UIElement element = null;
if (e.Data.GetData(DataFormats.FileDrop, true) is not string[] files)
{
var data = e.Data.GetData(DataFormats.Text);
if (data != null) // Check if from web)
{
// Link
element = new LinkChain();
}
else
{
return;
}
}
/// <summary>
/// Applies the pending adds and changes.
/// </summary>
private void ApplyPendingAddsAndChanges()
{
//+ pending adds
foreach (var threadContext2 in _threadPool.ThreadContexts)
{
var threadContext = (ThreadContext)threadContext2;
threadContext.Commands.Apply();
LinkChain <ContextChange> changeChain = threadContext.ChangeChain;
//+ pending changes first allows threads to run
int changeChainCount = changeChain.Count;
if (changeChainCount > 10)
{
ApplyContextChangesOverThreadPool(changeChain);
}
else if (changeChainCount > 0)
{
ApplyContextChangesInline(changeChain);
}
}
}
/// <summary>
/// Show image or thumbnail preview on drag enter
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal static void Image_DragEnter(object sender, DragEventArgs e)
{
if (!Properties.Settings.Default.FullscreenGallery && PicGallery.GalleryFunctions.IsOpen)
{
return;
}
UIElement element = null;
if (e.Data.GetData(DataFormats.FileDrop, true) is not string[] files)
{
var data = e.Data.GetData(DataFormats.Text);
if (data != null) // Check if from web)
{
// Link
element = new LinkChain();
}
else
{
return;
}
}
