public static async Task <FindClosestColor> Create(Color originalColor)
{
var findClosestColor = new FindClosestColor();
var colors = await FindClosestColor.GetColors(originalColor);
// Set the data to show.
findClosestColor.lbColors.ItemsSource = colors;
findClosestColor.DataContext.OriginalColor = originalColor;
findClosestColor.DataContext.SelectedColorItem = colors[0];
return(findClosestColor);
}
static async Task <List <ColorItem> > GetColors(Color color) => await FindClosestColor.colorItemCache.GetOrAdd(color, async key =>
{
// Find the L*a*b* color for the given color, find the distance between that and the L*a*b* colors for all wall+paint combinations and sort by the distance.
var originalLAB = LAB.FromRGB(color);
var cachedColors = await FindClosestColor.InitializeCache();
var unorderedColors = await Task.WhenAll(cachedColors.Select(async c => await Task.Run(() => new ColorItem()
{
ColorName = c.ColorName,
Distance = LAB.Distance(originalLAB, c.LABColor),
WallColor = c.WallColor,
WallImage = c.WallImage,
WallName = c.WallName
})));
return(unorderedColors.OrderBy(c => c.Distance).ToList());
});
async void FindClosestColor_Click(object sender, RoutedEventArgs e)
{
// Show the overlay on the main window and show the Find Closest Color dialog box.
var mainWindow = Window.GetWindow(this) as MainWindow;
mainWindow.ShowOverlay(false);
var findClosestColor = await FindClosestColor.Create(this.DataContext.Color);
findClosestColor.Owner = mainWindow;
if (findClosestColor.ShowDialog() ?? false)
{
// This will only happen if the user clicked OK in the Find Closest Color dialog box.
this.ProcessColorChange = false;
this.DataContext.SelectedWall = await WallItem.Create(findClosestColor.DataContext.SelectedColorItem.WallName);
this.DataContext.SelectedWallColor = findClosestColor.DataContext.SelectedColorItem.ColorName;
this.ProcessColorChange = true;
this.Wall_SelectionChanged(this, null);
}
mainWindow.HideOverlay();
}