/// <summary>
/// Apply set as commands
/// </summary>
/// <param name="wallpaper"></param>
/// <param name="action"></param>
public void ApplyAction(Models.Wallpaper.Entities.Wallpaper wallpaper, string action)
{
if (action == "AsBackground")
{
new Uri(wallpaper.Path).SetAsDesktopWallpaper(SetAsWallpaperHelpers.Style.Centered);
}
else if (action == "SaveAs")
{
var folderBrowserDialog = new FolderBrowserDialog
{
Description = ViewModelApplication.LanguageResourceDictionary["SelectSaveDestination"].ToString(),
RootFolder = Environment.SpecialFolder.Desktop
};
var result = folderBrowserDialog.ShowDialog();
if (result == DialogResult.OK && !string.IsNullOrEmpty(folderBrowserDialog.SelectedPath))
{
var fileName = Path.GetFileName(wallpaper.Path);
File.Copy(wallpaper.Path, $"{folderBrowserDialog.SelectedPath}\\{fileName}");
}
}
else if (action == "Remove")
{
if (!wallpaper.Path.StartsWith("https://"))
{
File.Delete(wallpaper.Path);
}
if (!wallpaper.Thumbnail.BitmapImageToPath().StartsWith("https://"))
{
File.Delete(wallpaper.Thumbnail.BitmapImageToPath());
}
using var db = new AppDbContext();
db.Wallpapers.Remove(wallpaper);
db.SaveChanges();
wallpaper.Id = 0;
wallpaper.IsFavorite = false;
wallpaper.Path = wallpaper.WallpaperUrl;
wallpaper.Thumbnail = wallpaper.WallpaperThumbUrl.PathToBitmapImage();
}
}
/// <summary>
/// Extract color palette from image
/// </summary>
/// <param name="wallpaper"></param>
public void ExtractColors(Models.Wallpaper.Entities.Wallpaper wallpaper)
{
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
// wallpaper image
var image = new BitmapImage(new Uri(wallpaper.Path));
// copy to byte array
int stride = image.PixelWidth * 4;
byte[] buffer = new byte[stride * image.PixelHeight];
image.CopyPixels(buffer, stride, 0);
// create bitmap
System.Drawing.Bitmap bitmap =
new System.Drawing.Bitmap(
image.PixelWidth,
image.PixelHeight,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
// lock bitmap data
System.Drawing.Imaging.BitmapData bitmapData =
bitmap.LockBits(
new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height),
System.Drawing.Imaging.ImageLockMode.WriteOnly,
bitmap.PixelFormat);
// copy byte array to bitmap data
System.Runtime.InteropServices.Marshal.Copy(
buffer, 0, bitmapData.Scan0, buffer.Length);
// unlock
bitmap.UnlockBits(bitmapData);
// extract colors
var colorThief = new ColorThief();
var palette = colorThief.GetPalette(bitmap, 5, 7);
if (palette.Count > 0)
{
foreach (var item in palette)
{
var color = new Models.Wallpaper.Entities.Color
{
WallpaperId = wallpaper.Id,
ColorCode = item.Color.ToHexString()
};
wallpaper.ColorPalette.Add(color);
}
if (wallpaper.ColorPalette.Count > 0)
{
using var db = new AppDbContext();
db.Colors.AddRange(wallpaper.ColorPalette);
db.SaveChanges();
}
}
}).Start();
}
/// <summary>
/// Fetch and load latest wallpapers from apis
/// </summary>
public void LoadLatestWallpapers()
{
if (IsProcessingLatestWallpapers)
{
return;
}
new Task(async() =>
{
IsProcessingLatestWallpapers = true;
LatestWallpapersLIVisibility = Visibility.Visible;
await Task.Delay(1000);
System.Windows.Application.Current.Dispatcher.Invoke(() =>
{
// set empty wallpaper list
LatestWallpapers = new ObservableCollection <Models.Wallpaper.Entities.Wallpaper>();
// load desktop wallpapers
if (WallpapersType == WallpaperType.Desktop)
{
// random wallpapers api url
var apiUrl = $"{WallhavenApiUrl}?page={LatestCurrentPage}" +
$"&resolutions={SelectedLatestResolution.ResolutionX}x{SelectedLatestResolution.ResolutionY}";
// get data
var wallpapersData = apiUrl.Get();
// if has not valid server response data
if (wallpapersData == null)
{
return;
}
// parsed wallpapers data
var jsonObjwallpapers = JsonConvert.DeserializeObject <WallpapersJson>(wallpapersData);
if (jsonObjwallpapers != null)
{
using var db = new AppDbContext();
// loop in wallpapers data
foreach (var item in jsonObjwallpapers.data)
{
var wallpaper = new Models.Wallpaper.Entities.Wallpaper
{
UId = item.id,
Path = item.path,
Thumbnail = item.thumbs.large.PathToBitmapImage(),
DimensionX = item.dimension_x,
DimensionY = item.dimension_y,
WallpaperUrl = item.path,
WallpaperThumbUrl = item.thumbs.large,
ColorPalette = item.colors?.Select(color => new Models.Wallpaper.Entities.Color
{
ColorCode = color
}).ToObservableCollection(),
History = db.History.Where(x => x.WallpaperUId == item.id).ToObservableCollection()
};
wallpaper = db.Wallpapers
.Select(x => new Models.Wallpaper.Entities.Wallpaper
{
Id = x.Id,
UId = x.UId,
Path = x.Path,
Thumbnail = x.Thumbnail,
DimensionX = x.DimensionX,
DimensionY = x.DimensionY,
IsFavorite = x.IsFavorite,
WallpaperUrl = x.WallpaperUrl,
WallpaperThumbUrl = x.WallpaperThumbUrl,
ColorPalette = db.Colors.Where(c => c.WallpaperId == x.Id)
.ToObservableCollection(),
History = db.History.Where(x => x.WallpaperUId == item.id).ToObservableCollection()
})
.FirstOrDefault(x => x.UId == wallpaper.UId) ?? wallpaper;
LatestWallpapers.Add(wallpaper);
}
// select first wallpaper and scroll to top
SelectedLatestWallpaper = LatestWallpapers.FirstOrDefault();
// wallpaper pagination
LatestPagination = new Pagination(jsonObjwallpapers.meta.total, LatestCurrentPage, LatestPageLimit, 10);
}
}
// load mobile wallpapers
else if (WallpapersType == WallpaperType.Mobile)
{
// random wallpapers api url
var apiUrl = $"{WallpapersCraftApiUrl}?offset={LatestCurrentPage * 30}" +
$"&screen[width]={SelectedLatestResolution.ResolutionX}&screen[height]={SelectedLatestResolution.ResolutionY}" +
$"&sort=date&types[]=free&types[]=public";
// get data
var wallpapersData = apiUrl.Get();
// if has not valid server response data
if (wallpapersData == null)
{
return;
}
// parsed wallpapers data
var jsonObjwallpapers = JsonConvert.DeserializeObject <MobileWallpapersJson>(wallpapersData);
if (jsonObjwallpapers != null)
{
using var db = new AppDbContext();
// loop in wallpapers data
foreach (var item in jsonObjwallpapers.items)
{
var wallpaper = new Models.Wallpaper.Entities.Wallpaper
{
UId = item.id.ToString(),
Path = item.variations.adapted.url,
Thumbnail = item.variations.preview_small.url.PathToBitmapImage(),
DimensionX = item.variations.adapted.resolution.width,
DimensionY = item.variations.adapted.resolution.height,
WallpaperUrl = item.variations.adapted.url,
WallpaperThumbUrl = item.variations.preview_small.url,
WallpaperType = WallpaperType.Mobile,
History = db.History.Where(x => x.WallpaperUId == item.id.ToString()).ToObservableCollection()
};
wallpaper = db.Wallpapers
.Select(x => new Models.Wallpaper.Entities.Wallpaper
{
Id = x.Id,
UId = x.UId,
Path = x.Path,
Thumbnail = x.Thumbnail,
DimensionX = x.DimensionX,
DimensionY = x.DimensionY,
IsFavorite = x.IsFavorite,
WallpaperUrl = x.WallpaperUrl,
WallpaperThumbUrl = x.WallpaperThumbUrl,
ColorPalette = db.Colors.Where(c => c.WallpaperId == x.Id)
.ToObservableCollection(),
History = db.History.Where(x => x.WallpaperUId == item.id.ToString()).ToObservableCollection()
})
.FirstOrDefault(x => x.UId == wallpaper.UId) ?? wallpaper;
LatestWallpapers.Add(wallpaper);
}
// select first wallpaper and scroll to top
SelectedLatestWallpaper = LatestWallpapers.FirstOrDefault();
// wallpaper pagination
LatestPagination = new Pagination(jsonObjwallpapers.count, LatestCurrentPage, LatestPageLimit, 10);
}
}
});
LatestWallpapersLIVisibility = Visibility.Hidden;
IsProcessingLatestWallpapers = false;
}).Start();
}
