public static async Task GetBingTheme()
{
try
{
var httpclient = new System.Net.Http.HttpClient();
var picbytes = await httpclient.GetByteArrayAsync("http://appserver.m.bing.net/BackgroundImageService/TodayImageService.svc/GetTodayImage?dateOffset=0&urlEncodeHeaders=true&osName=windowsPhone&osVersion=8.10&orientation=480x800&deviceName=WP8&mkt=en-US");
var picfile = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///Theme/Skin/Bing/background.jpg"));
await FileIO.WriteBytesAsync(picfile, picbytes);
WriteableBitmap wb = new WriteableBitmap(1000, 1500);
await wb.SetSourceAsync(await picfile.OpenAsync(FileAccessMode.Read));
var bingtheme = new BingThemeData();
bingtheme.BackgroundColor = GetColor.GetMajorColor(wb);
bingtheme.BackgroundColor1 = Color.FromArgb(190, bingtheme.BackgroundColor.R, bingtheme.BackgroundColor.G, bingtheme.BackgroundColor.B);
var rgb = bingtheme.BackgroundColor.R * 0.299 + bingtheme.BackgroundColor.G * 0.587 + bingtheme.BackgroundColor.B * 0.114;
bingtheme.BackgroundColor2 = bingtheme.BackgroundColor;
if (rgb >= 192)
{
{
bingtheme.Foreground = Colors.White;
bingtheme.Front1 = Colors.White;
bingtheme.Front2 = Color.FromArgb(255, 185, 185, 185);
bingtheme.List_Background = Color.FromArgb(100, 103, 103, 103);
}
}
else
{
bingtheme.Foreground = Colors.White;
bingtheme.Front1 = Colors.Black;
bingtheme.Front2 = Color.FromArgb(255, 124, 124, 124);
bingtheme.List_Background = Color.FromArgb(180, 255, 255, 255);
}
string xamlstring = await PathIO.ReadTextAsync("ms-appx:///Theme/BingTemp.txt");
xamlstring = String.Format(xamlstring, bingtheme.BackgroundColor.ToString(), bingtheme.BackgroundColor1.ToString(), bingtheme.BackgroundColor2.ToString(), bingtheme.Foreground.ToString(), bingtheme.Front1.ToString(), bingtheme.Front2.ToString(), bingtheme.List_Background.ToString());
var xamlfile = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///Theme/BingTheme.xaml"));
await FileIO.WriteTextAsync(xamlfile, xamlstring);
}
catch (Exception)
{
await new MessageDialog("无网络连接!").ShowAsync();
}
}
private async void ThemeList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var list = sender as GridView;
if (list.SelectedItem != null)
{
var data = list.SelectedItem as Theme;
if (data.id == 4)
{
Process.IsActive = true;
await BingThemeData.GetBingTheme();
Process.IsActive = false;
}
Class.Setting.Theme.NowTheme = data.theme;
ShowDialog();
list.SelectedIndex = -1;
init();
}
}
