private Rect[] AssignCells(Thumbnail[] thumbs, Rect[] cells)
{
var scale = GetScale(thumbs);
var count = cells.Length;
var assigned = new Rect[count];
var cellList = new List<Rect>(cells);
var thumbList = new List<Thumbnail>(thumbs);
Array.Sort(thumbs, (a,b) => {
return (int) a.SourceHandle - (int) b.SourceHandle;
});
foreach (var thumb in thumbs)
{
// note: GetClosestCell sorts cellList
var cell = GetClosestCell(cellList, GetScaledRect(scale, thumb.WindowRect));
cellList.Remove(cell);
var index = thumbList.IndexOf(thumb);
assigned[index] = cell;
}
return assigned;
}
public ThumbnailBorder(Thumbnail thumb)
{
Thumb = thumb;
ShowStoryboard = new Storyboard();
HighlightStoryBoard = new Storyboard();
IsVisibleChanged += (sender, e) => thumb.Visible = IsVisible;
TitleBlock = new TextBlock();
TitleBlock.Foreground = Brushes.White;
TitleBlock.TextAlignment = TextAlignment.Center;
TitleBlock.TextWrapping = TextWrapping.WrapWithOverflow;
TitleBlock.Opacity = 0;
Children.Add(TitleBlock);
BorderElement = new Border();
BorderElement.BorderBrush = Brushes.Black;
BorderElement.CornerRadius = new CornerRadius(5);
BorderElement.BorderThickness = new Thickness(10);
BorderElement.Opacity = 0;
Children.Add(BorderElement);
}
public void AddThumbnail(Thumbnail thumb)
{
var border = new ThumbnailBorder(thumb);
ThumbnailCanvas.Children.Add(border);
}
public Rect[] Layout(Thumbnail[] thumbs)
{
var cells = GetCells(thumbs.Count());
return AssignCells(thumbs, cells);
}
private double GetScale(Thumbnail[] thumbs)
{
var total = new Rect();
foreach (var thumb in thumbs)
{
total = Rect.Union(total, thumb.WindowRect);
}
return Math.Min(total.Width / Area.Width, total.Height / Area.Height);
}
private void AddThumbnail(IntPtr winHandle)
{
var thumb = new Thumbnail(Handle, winHandle);
var count = MainCanvas.Children.Count;
for (var i = 0; i < count; i++)
{
var screen = (Screen)MainCanvas.Children[i];
if (thumb.InMonitor(screen.TargetMonitor))
{
screen.AddThumbnail(thumb);
screen.Update();
}
}
}