private async Task UpdateAction()
{
while (true)
{
try
{
using (PlayingInfo currentInfo = await GetCurrent())
if (!Object.Equals(currentInfo, _prevInfo))
{
_prevInfo = currentInfo;
PlayingInfoChanged?.Invoke(this, new PlayingEventArgs(currentInfo));
}
await Task.Delay(UpdateTimeoutMs);
await _updateSync.WaitAsync();
}
catch
{
// doesn't matter if we got an exception here.
}
}
}
private void PerformDraw(PlayingInfo playingInfo)
{
if (_previousRepresentation != playingInfo?.BitmapRepresentation || _prevPlaying != playingInfo?.IsPlaying)
{
_previousRepresentation = playingInfo?.BitmapRepresentation;
_prevPlaying = playingInfo?.IsPlaying ?? false;
var bitmap = LayoutContext.CreateBitmap();
if (playingInfo?.BitmapRepresentation != null)
{
using (var coverBitmap = playingInfo.BitmapRepresentation.CreateBitmap())
{
BitmapHelpers.ResizeBitmap(coverBitmap, bitmap, _prevPlaying ? null : BitmapHelpers.GrayColorMatrix);
}
}
else
{
DefaultDrawingAlgs.DrawText(bitmap, FontService.Instance.AwesomeFontFamily, FontAwesomeRes.fa_headphones, LayoutContext.Options.Theme.ForegroundColor);
}
DrawInvoke(new[] { new LayoutDrawElement(new Location(0, 0), bitmap, new TransitionInfo(TransitionType.ElementUpdate, TimeSpan.FromSeconds(1))) });
}
}
private void PerformDraw(PlayingInfo playingInfo)
{
byte imageSize = 2;
byte textSize = 3;
var result = new List <LayoutDrawElement>();
if (playingInfo.IsPlaying != _isPlaying)
{
_isPlaying = playingInfo.IsPlaying;
_playPauseButton.ReplaceText(_isPlaying.Value?FontAwesomeRes.fa_pause:FontAwesomeRes.fa_play);
}
if (_previousRepresentation != playingInfo?.BitmapRepresentation)
{
_previousRepresentation = playingInfo?.BitmapRepresentation;
using (var bitmap = new BitmapEx(LayoutContext.IconSize.Width * imageSize, LayoutContext.IconSize.Height * imageSize))
{
bitmap.MakeTransparent();
if (playingInfo?.BitmapRepresentation != null)
{
using (BitmapEx coverBitmap = playingInfo.BitmapRepresentation.CreateBitmap())
{
BitmapHelpers.ResizeBitmap(coverBitmap, bitmap);
}
}
result.AddRange(BitmapHelpers.ExtractLayoutDrawElements(bitmap, new DeviceSize(imageSize, imageSize), 0, 0, LayoutContext));
}
}
using (var bitmap = new BitmapEx(LayoutContext.IconSize.Width * textSize, LayoutContext.IconSize.Height))
{
var lineWidth = 0.05;
bitmap.MakeTransparent();
var title = playingInfo?.Title;
DefaultDrawingAlgs.DrawText(bitmap, GlobalContext.Options.Theme.FontFamily, title, LayoutContext.Options.Theme.ForegroundColor);
if (playingInfo != null)
{
using (var graphics = bitmap.CreateGraphics())
using (var brush = new SolidBrush(GlobalContext.Options.Theme.ForegroundColor))
{
var rect = new Rectangle(0, (int)(bitmap.Height * (1 - lineWidth)), (int)(bitmap.Width * playingInfo.CurrentPosition.TotalMilliseconds / playingInfo.DurationSpan.TotalMilliseconds), (int)(bitmap.Height * lineWidth));
graphics.FillRectangle(brush, rect);
}
}
result.AddRange(BitmapHelpers.ExtractLayoutDrawElements(bitmap, new DeviceSize(textSize, 1), imageSize, 0, LayoutContext));
}
using (var bitmap = new BitmapEx(LayoutContext.IconSize.Width * textSize, LayoutContext.IconSize.Height))
{
bitmap.MakeTransparent();
var artist = playingInfo?.Artist ?? string.Empty;
var album = playingInfo?.Album ?? string.Empty;
var text = $"{artist}\n{album}";
DefaultDrawingAlgs.DrawText(bitmap, GlobalContext.Options.Theme.FontFamily, text, GlobalContext.Options.Theme.ForegroundColor);
result.AddRange(BitmapHelpers.ExtractLayoutDrawElements(bitmap, new DeviceSize(textSize, 1), imageSize, 1, LayoutContext));
}
DrawInvoke(result);
}
/// <summary>
/// 增加玩家分數
/// </summary>
/// <param name="from">來源</param>
/// <param name="score">分數</param>
public void AddScoreToPlayer(string from, int score)
{
PlayingInfo.AddScore(from, score);
}
