{//转换歌曲路径为BitmapImage专辑图片
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value == null)
{
return(null);
}
SongInfo sInfo = (value as SongInfoExpend).SongInfo;
if (sInfo.SongType == 3)
{
string path = OsuLocalDataGeter.LoadOsuFileNameAs(1, sInfo.OsuPath);
if (System.IO.File.Exists(path))
{
return(new BitmapImage(new Uri(path, UriKind.Absolute)));
}
}
var result = new MusicTag().GetJPGFromStream(sInfo);
if (result == null)
{
return(new BitmapImage(new Uri("./Resource/未找到专辑图片.jpg", UriKind.Relative)));
}
return(result);
}
public Task <byte[]> GetCurrentMusicFileJPGBufferAsync(SongInfo song, bool ShouldReset = false)
{
if (ShouldReset || GetCurMusicFileJPGBufferTask == null || GetCurMusicFileJPGBufferTask.Result == null)
{
GetCurMusicFileJPGBufferTask = Task.Run <byte[]>(() =>
{
if (song.SongType == 3)
{
var osubgPath = OsuLocalDataGeter.LoadOsuFileNameAs(1, song.OsuPath);
if (osubgPath == "")
{
return(null);
}
return(File.ReadAllBytes(OsuLocalDataGeter.LoadOsuFileNameAs(1, song.OsuPath)));
}
else
{
return(GetJPGBuffer(song));
}
});
}
return(GetCurMusicFileJPGBufferTask);
}
public Task <Color> GetCurrentColorAsync(SongInfo song, bool ResetClor = false, bool ResetAll = false)
{
if (ResetAll || ResetClor || GetCurrentColorTask == null)
{
GetCurrentColorTask = Task.Run <Color>(() =>
{
Color MajorColor;
if (song.SongType == 3)
{
try
{
var src = new Bitmap(OsuLocalDataGeter.LoadOsuFileNameAs(1, song.OsuPath));
//会出现不合法地址的情况，待改。
MajorColor = GetMajorColor(src);
src.Dispose();
}
catch { Debug.Print("加载OSU背景图片失败"); MajorColor = Color.Black; }
}
else
{
GetCurrentMusicFileJPGBufferAsync(song, ResetAll).Wait();
if (GetCurMusicFileJPGBufferTask.Result == null)
{
return(Color.Black);
}
Bitmap sorc = GetBitmapFromBuffer(
GetCurMusicFileJPGBufferTask.Result);
MajorColor = GetMajorColor(sorc);
sorc.Dispose();
}
return(MajorColor);
});
}
return(GetCurrentColorTask);
}