static public BitmapImage DownloadImage(Uri filename, FileExtensionFilter filter)
{
if (filter.CheckExtensionMath(filename.ToString()) != "")
{
var image = new BitmapImage();
image.BeginInit();
image.UriSource = filename;
image.CacheOption = BitmapCacheOption.OnLoad;
image.EndInit();
return(image);
}
throw new ArgumentException("Image not found!");
}
static private BitmapEncoder GetEncoder(string file, FileExtensionFilter filter)
{
var encoderType = filter.CheckExtensionMath(file);
if (encoderType == ".gif")
{
return(new GifBitmapEncoder());
}
else if (encoderType == ".bmp")
{
return(new BmpBitmapEncoder());
}
else if (encoderType == ".png")
{
return(new PngBitmapEncoder());
}
else
{
return(new JpegBitmapEncoder());
}
}