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BetterLyrics/BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/LyricsCanvas.xaml.cs
2025-12-14 11:20:04 -05:00

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// 2025/6/23 by Zhe Fang
using BetterLyrics.WinUI3.Enums;
using BetterLyrics.WinUI3.Extensions;
using BetterLyrics.WinUI3.Helper;
using BetterLyrics.WinUI3.Logic;
using BetterLyrics.WinUI3.Models;
using BetterLyrics.WinUI3.Models.Settings;
using BetterLyrics.WinUI3.Renderer;
using BetterLyrics.WinUI3.Services.LastFMService;
using BetterLyrics.WinUI3.Services.MediaSessionsService;
using BetterLyrics.WinUI3.Services.SettingsService;
using CommunityToolkit.Mvvm.DependencyInjection;
using CommunityToolkit.Mvvm.Messaging;
using CommunityToolkit.Mvvm.Messaging.Messages;
using Lyricify.Lyrics.Providers.Web.Netease;
using Microsoft.Graphics.Canvas;
using Microsoft.Graphics.Canvas.UI.Xaml;
using Microsoft.UI;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Windows.Foundation;
using Windows.Storage.Streams;
using Windows.UI;
using static Vanara.PInvoke.Ole32;
namespace BetterLyrics.WinUI3.Controls
{
public sealed partial class LyricsCanvas : UserControl,
IRecipient<PropertyChangedMessage<TimeSpan>>,
IRecipient<PropertyChangedMessage<LyricsData?>>,
IRecipient<PropertyChangedMessage<SongInfo?>>,
IRecipient<PropertyChangedMessage<int>>,
IRecipient<PropertyChangedMessage<double>>,
IRecipient<PropertyChangedMessage<bool>>,
IRecipient<PropertyChangedMessage<TextAlignmentType>>,
IRecipient<PropertyChangedMessage<LyricsFontWeight>>,
IRecipient<PropertyChangedMessage<string>>,
IRecipient<PropertyChangedMessage<IRandomAccessStream?>>
{
private readonly ISettingsService _settingsService = Ioc.Default.GetRequiredService<ISettingsService>();
private readonly IMediaSessionsService _mediaSessionsService = Ioc.Default.GetRequiredService<IMediaSessionsService>();
private readonly ILastFMService _lastFMService = Ioc.Default.GetRequiredService<ILastFMService>();
private readonly LyricsRenderer _lyricsRenderer = new();
private readonly FluidBackgroundRenderer _fluidRenderer = new();
private readonly CoverBackgroundRenderer _coverRenderer = new();
private readonly PureColorBackgroundRenderer _pureColorRenderer = new();
private readonly SnowRenderer _snowRenderer = new();
private readonly FogRenderer _fogRenderer = new();
private readonly SpectrumRenderer _spectrumRenderer = new();
private readonly LyricsSynchronizer _synchronizer = new();
private readonly LyricsAnimator _animator = new();
private readonly SpectrumAnalyzer _spectrumAnalyzer = new();
private readonly ValueTransition<Color> _immersiveBgColorTransition = new(
initialValue: Colors.Transparent,
durationSeconds: 0.3f,
interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
);
private readonly ValueTransition<double> _immersiveBgOpacityTransition = new(
initialValue: 1f,
durationSeconds: 0.3f
);
private readonly ValueTransition<Color> _accentColor1Transition = new(
initialValue: Colors.Transparent,
durationSeconds: 0.3f,
interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
);
private readonly ValueTransition<Color> _accentColor2Transition = new(
initialValue: Colors.Transparent,
durationSeconds: 0.3f,
interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
);
private readonly ValueTransition<Color> _accentColor3Transition = new(
initialValue: Colors.Transparent,
durationSeconds: 0.3f,
interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
);
private readonly ValueTransition<Color> _accentColor4Transition = new(
initialValue: Colors.Transparent,
durationSeconds: 0.3f,
interpolator: (from, to, progress) => Helper.ColorHelper.GetInterpolatedColor(progress, from, to)
);
private readonly ValueTransition<double> _canvasYScrollTransition = new(
initialValue: 0f,
durationSeconds: 0.3f,
easingType: EasingType.EaseInOutSine
);
private readonly ValueTransition<double> _mouseYScrollTransition = new(
initialValue: 0f,
durationSeconds: 0.3f,
easingType: EasingType.EaseInOutSine
);
private TimeSpan _songPositionWithOffset;
private TimeSpan _songPosition; // <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
private TimeSpan _totalPlayedTime; // <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ػ<EFBFBD><D8BB>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD>ŵ<EFBFBD>ʱ<EFBFBD>
private bool _isLastFMTracked = false;
private double _renderLyricsStartX = 0;
private double _renderLyricsStartY = 0;
private double _renderLyricsWidth = 0;
private double _renderLyricsHeight = 0;
private double _renderLyricsOpacity = 0;
private LyricsWindowStatus? _lyricsWindowStatus = null;
private AlbumArtThemeColors _albumArtThemeColors = new();
private Point _mousePosition = new(0, 0);
private int _mouseHoverLineIndex = -1;
private bool _isMouseInLyricsArea = false;
private bool _isMousePressing = false;
private bool _isMouseScrolling = false;
private List<RenderLyricsLine>? _renderLyricsLines = null;
private bool _isLayoutChanged = true;
private bool _isMouseScrollingChanged = false;
private int _playingLineIndex;
private (int Start, int End) _visibleRange;
private double _canvasTargetScrollOffset;
public TimeSpan SongPosition => _songPosition;
public double CurrentCanvasYScroll => _canvasYScrollTransition.Value;
public double ActualLyricsHeight => LyricsLayoutManager.CalculateActualHeight(_renderLyricsLines);
public int CurrentHoveringLineIndex => _mouseHoverLineIndex;
public LyricsWindowStatus? LyricsWindowStatus
{
get { return (LyricsWindowStatus?)GetValue(LyricsWindowStatusProperty); }
set { SetValue(LyricsWindowStatusProperty, value); }
}
public static readonly DependencyProperty LyricsWindowStatusProperty =
DependencyProperty.Register(nameof(LyricsWindowStatus), typeof(LyricsWindowStatus), typeof(LyricsCanvas), new PropertyMetadata(null, OnDependencyPropertyChanged));
public AlbumArtThemeColors AlbumArtThemeColors
{
get { return (AlbumArtThemeColors)GetValue(AlbumArtThemeColorsProperty); }
set { SetValue(AlbumArtThemeColorsProperty, value); }
}
public static readonly DependencyProperty AlbumArtThemeColorsProperty =
DependencyProperty.Register(nameof(AlbumArtThemeColors), typeof(AlbumArtThemeColors), typeof(LyricsCanvas), new PropertyMetadata(new AlbumArtThemeColors(), OnDependencyPropertyChanged));
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC> X <20><><EFBFBD><EFBFBD>
public double LyricsStartX
{
get { return (double)GetValue(LyricsStartXProperty); }
set { SetValue(LyricsStartXProperty, value); }
}
public static readonly DependencyProperty LyricsStartXProperty =
DependencyProperty.Register(nameof(LyricsStartX), typeof(double), typeof(LyricsCanvas), new PropertyMetadata(0.0, OnDependencyPropertyChanged));
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ Y <20><><EFBFBD><EFBFBD>
public double LyricsStartY
{
get { return (double)GetValue(LyricsStartYProperty); }
set { SetValue(LyricsStartYProperty, value); }
}
public static readonly DependencyProperty LyricsStartYProperty =
DependencyProperty.Register(nameof(LyricsStartY), typeof(double), typeof(LyricsCanvas), new PropertyMetadata(0.0, OnDependencyPropertyChanged));
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
public double LyricsWidth
{
get { return (double)GetValue(LyricsWidthProperty); }
set { SetValue(LyricsWidthProperty, value); }
}
public static readonly DependencyProperty LyricsWidthProperty =
DependencyProperty.Register(nameof(LyricsWidth), typeof(double), typeof(LyricsCanvas), new PropertyMetadata(0.0, OnDependencyPropertyChanged));
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
public double LyricsHeight
{
get { return (double)GetValue(LyricsHeightProperty); }
set { SetValue(LyricsHeightProperty, value); }
}
public static readonly DependencyProperty LyricsHeightProperty =
DependencyProperty.Register(nameof(LyricsHeight), typeof(double), typeof(LyricsCanvas), new PropertyMetadata(0.0, OnDependencyPropertyChanged));
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>
public double LyricsOpacity
{
get { return (double)GetValue(LyricsOpacityProperty); }
set { SetValue(LyricsOpacityProperty, value); }
}
public static readonly DependencyProperty LyricsOpacityProperty =
DependencyProperty.Register(nameof(LyricsOpacity), typeof(double), typeof(LyricsCanvas), new PropertyMetadata(0.0, OnDependencyPropertyChanged));
/// <summary>
/// <20>û<EFBFBD><C3BB>ٿ<EFBFBD><D9BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD>ľ<EFBFBD><C4BE><EFBFBD><EBA3A8> 0 <20><>ʼ<EFBFBD>
/// </summary>
public double MouseScrollOffset
{
get { return (double)GetValue(MouseScrollOffsetProperty); }
set { SetValue(MouseScrollOffsetProperty, value); }
}
public static readonly DependencyProperty MouseScrollOffsetProperty =
DependencyProperty.Register(nameof(MouseScrollOffset), typeof(double), typeof(LyricsCanvas), new PropertyMetadata(0.0, OnDependencyPropertyChanged));
/// <summary>
/// <20>û<EFBFBD><C3BB><EFBFBD><EFBFBD>굱ǰ<EAB5B1><C7B0>λ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD><DAB8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͻǣ<CFBD>
/// </summary>
public Point MousePosition
{
get { return (Point)GetValue(MousePositionProperty); }
set { SetValue(MousePositionProperty, value); }
}
public static readonly DependencyProperty MousePositionProperty =
DependencyProperty.Register(nameof(MousePosition), typeof(Point), typeof(LyricsCanvas), new PropertyMetadata(new Point(0, 0), OnDependencyPropertyChanged));
public bool IsMouseInLyricsArea
{
get { return (bool)GetValue(IsMouseInLyricsAreaProperty); }
set { SetValue(IsMouseInLyricsAreaProperty, value); }
}
public static readonly DependencyProperty IsMouseInLyricsAreaProperty =
DependencyProperty.Register(nameof(IsMouseInLyricsArea), typeof(bool), typeof(LyricsCanvas), new PropertyMetadata(false, OnDependencyPropertyChanged));
public bool IsMousePressing
{
get { return (bool)GetValue(IsMousePressingProperty); }
set { SetValue(IsMousePressingProperty, value); }
}
public static readonly DependencyProperty IsMousePressingProperty =
DependencyProperty.Register(nameof(IsMousePressing), typeof(bool), typeof(LyricsCanvas), new PropertyMetadata(false, OnDependencyPropertyChanged));
public bool IsMouseScrolling
{
get { return (bool)GetValue(IsMouseScrollingProperty); }
set { SetValue(IsMouseScrollingProperty, value); }
}
public static readonly DependencyProperty IsMouseScrollingProperty =
DependencyProperty.Register(nameof(IsMouseScrolling), typeof(bool), typeof(LyricsCanvas), new PropertyMetadata(false, OnDependencyPropertyChanged));
public LyricsCanvas()
{
InitializeComponent();
WeakReferenceMessenger.Default.RegisterAll(this);
UpdateRenderLyricsLines();
}
private static void OnDependencyPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (d is LyricsCanvas canvas)
{
if (e.Property == LyricsWindowStatusProperty)
{
canvas._lyricsWindowStatus = (LyricsWindowStatus)e.NewValue;
canvas._isLayoutChanged = true;
}
else if (e.Property == LyricsStartXProperty)
{
canvas._renderLyricsStartX = Convert.ToDouble(e.NewValue);
canvas._isLayoutChanged = true;
}
else if (e.Property == LyricsStartYProperty)
{
canvas._renderLyricsStartY = Convert.ToDouble(e.NewValue);
canvas._isLayoutChanged = true;
}
else if (e.Property == LyricsWidthProperty)
{
canvas._renderLyricsWidth = Convert.ToDouble(e.NewValue);
canvas._isLayoutChanged = true;
}
else if (e.Property == LyricsHeightProperty)
{
canvas._renderLyricsHeight = Convert.ToDouble(e.NewValue);
canvas._isLayoutChanged = true;
}
else if (e.Property == LyricsOpacityProperty)
{
canvas._renderLyricsOpacity = Convert.ToDouble(e.NewValue);
canvas._isLayoutChanged = true;
}
else if (e.Property == MouseScrollOffsetProperty)
{
canvas._mouseYScrollTransition.StartTransition(Convert.ToDouble(e.NewValue));
}
else if (e.Property == MousePositionProperty)
{
canvas._mousePosition = (Point)e.NewValue;
}
else if (e.Property == IsMouseInLyricsAreaProperty)
{
canvas._isMouseInLyricsArea = (bool)e.NewValue;
}
else if (e.Property == IsMousePressingProperty)
{
canvas._isMousePressing = (bool)e.NewValue;
}
else if (e.Property == IsMouseScrollingProperty)
{
var value = (bool)e.NewValue;
if (canvas._isMouseScrolling != value)
{
canvas._isMouseScrollingChanged = true;
}
canvas._isMouseScrolling = value;
}
else if (e.Property == AlbumArtThemeColorsProperty)
{
var albumArtThemeColors = (AlbumArtThemeColors)e.NewValue;
canvas._immersiveBgColorTransition.StartTransition(albumArtThemeColors.EnvColor);
canvas._accentColor1Transition.StartTransition(albumArtThemeColors.AccentColor1);
canvas._accentColor2Transition.StartTransition(albumArtThemeColors.AccentColor2);
canvas._accentColor3Transition.StartTransition(albumArtThemeColors.AccentColor3);
canvas._accentColor4Transition.StartTransition(albumArtThemeColors.AccentColor4);
canvas._albumArtThemeColors = albumArtThemeColors;
canvas._isLayoutChanged = true;
}
}
}
// ====
private void Canvas_Draw(ICanvasAnimatedControl sender, CanvasAnimatedDrawEventArgs args)
{
if (_lyricsWindowStatus == null) return;
var bounds = new Rect(0, 0, sender.Size.Width, sender.Size.Height);
var albumArtLayout = _lyricsWindowStatus.AlbumArtLayoutSettings;
var lyricsBg = _lyricsWindowStatus.LyricsBackgroundSettings;
var lyricsStyle = _lyricsWindowStatus.LyricsStyleSettings;
var lyricsEffect = _lyricsWindowStatus.LyricsEffectSettings;
double songDuration = _mediaSessionsService.CurrentSongInfo?.DurationMs ?? 0;
bool isForceWordByWord = _settingsService.AppSettings.GeneralSettings.IsForceWordByWordEffect;
Color overlayColor;
double finalOpacity;
if (_lyricsWindowStatus.IsAdaptToEnvironment)
{
// <20><><EFBFBD><EFBFBD>Ӧɫ
overlayColor = _immersiveBgColorTransition.Value;
finalOpacity = _immersiveBgOpacityTransition.Value * lyricsBg.PureColorOverlayOpacity / 100.0;
}
else
{
// ר<><D7A8>ɫ
overlayColor = _accentColor1Transition.Value;
finalOpacity = lyricsBg.PureColorOverlayOpacity / 100.0;
}
_pureColorRenderer.Draw(
args.DrawingSession,
bounds,
overlayColor,
finalOpacity,
lyricsBg.IsPureColorOverlayEnabled
);
_coverRenderer.Draw(sender, args.DrawingSession);
_fluidRenderer.Draw(sender, args.DrawingSession);
_snowRenderer.Draw(sender, args.DrawingSession);
_fogRenderer.Draw(sender, args.DrawingSession);
_lyricsRenderer.Draw(
control: sender,
ds: args.DrawingSession,
lines: _renderLyricsLines,
playingLineIndex: _playingLineIndex,
mouseHoverLineIndex: _mouseHoverLineIndex,
isMousePressing: _isMousePressing,
startVisibleIndex: _visibleRange.Start,
endVisibleIndex: _visibleRange.End,
lyricsX: _renderLyricsStartX,
lyricsY: _renderLyricsStartY,
lyricsWidth: _renderLyricsWidth,
lyricsHeight: _renderLyricsHeight,
userScrollOffset: _mouseYScrollTransition.Value,
lyricsOpacity: _renderLyricsOpacity,
playingLineTopOffsetFactor: lyricsStyle.PlayingLineTopOffset / 100.0,
windowStatus: _lyricsWindowStatus,
strokeColor: _albumArtThemeColors.StrokeFontColor,
bgColor: _albumArtThemeColors.BgFontColor,
fgColor: _albumArtThemeColors.FgFontColor,
getPlaybackState: (lineIndex) =>
{
if (_renderLyricsLines == null) return new LinePlaybackState();
var line = _renderLyricsLines.ElementAtOrDefault(lineIndex);
if (line == null) return new LinePlaybackState();
var nextLine = _renderLyricsLines.ElementAtOrDefault(lineIndex + 1);
return _synchronizer.GetLinePlayingProgress(
_songPositionWithOffset.TotalMilliseconds,
line,
nextLine,
songDuration,
isForceWordByWord
);
}
);
if (_spectrumAnalyzer.IsCapturing)
{
_spectrumRenderer.Draw(
resourceCreator: sender,
ds: args.DrawingSession,
spectrumData: _spectrumAnalyzer?.SmoothSpectrum,
barCount: _spectrumAnalyzer?.BarCount ?? 1,
isEnabled: lyricsBg.IsSpectrumOverlayEnabled,
placement: lyricsBg.SpectrumPlacement,
style: lyricsBg.SpectrumStyle,
canvasWidth: sender.Size.Width,
canvasHeight: sender.Size.Height,
fillColor: _albumArtThemeColors.BgFontColor
);
}
#if DEBUG
//args.DrawingSession.DrawText(
// $"Lyrics render start pos: ({(int)_renderLyricsStartX}, {(int)_renderLyricsStartY})\n" +
// $"Lyrics render size: [{(int)_renderLyricsWidth} x {(int)_renderLyricsHeight}]\n" +
// $"Lyrics actual height: {LyricsLayoutManager.CalculateActualHeight(_renderLyricsLines)}\n" +
// $"Playing line (idx): {_playingLineIndex}\n" +
// $"Mouse hovering line (idx): {_mouseHoverLineIndex}\n" +
// $"Visible lines range (idx): [{_visibleRange.Start}, {_visibleRange.End}]\n" +
// $"Total line count: {LyricsLayoutManager.CalculateMaxRange(_renderLyricsLines).End + 1}\n" +
// $"Played: {_songPosition} / {TimeSpan.FromMilliseconds(_mediaSessionsService.CurrentSongInfo?.DurationMs ?? 0)}\n" +
// $"Y offset: {_canvasYScrollTransition.Value}\n" +
// $"User scroll offset: {_mouseYScrollTransition.Value}",
// new Vector2(0, 0), Colors.Red);
#endif
}
private void Canvas_Update(ICanvasAnimatedControl sender, CanvasAnimatedUpdateEventArgs args)
{
if (_lyricsWindowStatus == null) return;
var lyricsBg = _lyricsWindowStatus.LyricsBackgroundSettings;
var lyricsStyle = _lyricsWindowStatus.LyricsStyleSettings;
var lyricsEffect = _lyricsWindowStatus.LyricsEffectSettings;
var lyricsData = _mediaSessionsService.CurrentLyricsData;
TimeSpan elapsedTime = args.Timing.ElapsedTime;
_accentColor1Transition.Update(elapsedTime);
_accentColor2Transition.Update(elapsedTime);
_accentColor3Transition.Update(elapsedTime);
_accentColor4Transition.Update(elapsedTime);
_immersiveBgOpacityTransition.Update(elapsedTime);
_immersiveBgColorTransition.Update(elapsedTime);
UpdatePlaybackState(elapsedTime);
TriggerRelayout();
#region UpdatePlayingLineIndex
int newPlayingIndex = _synchronizer.GetCurrentLineIndex(_songPositionWithOffset.TotalMilliseconds, lyricsData);
bool isPlayingLineChanged = newPlayingIndex != _playingLineIndex;
_playingLineIndex = newPlayingIndex;
#endregion
#region UpdateTargetScrollOffset
if (isPlayingLineChanged || _isLayoutChanged)
{
var targetScroll = LyricsLayoutManager.CalculateTargetScrollOffset(_renderLyricsLines, _playingLineIndex);
if (targetScroll.HasValue) _canvasTargetScrollOffset = targetScroll.Value;
_canvasYScrollTransition.SetEasingType(lyricsEffect.LyricsScrollEasingType);
_canvasYScrollTransition.SetDuration(lyricsEffect.LyricsScrollDuration / 1000.0);
_canvasYScrollTransition.StartTransition(_canvasTargetScrollOffset, _isLayoutChanged);
}
_canvasYScrollTransition.Update(elapsedTime);
#endregion
_mouseYScrollTransition.Update(elapsedTime);
_mouseHoverLineIndex = LyricsLayoutManager.FindMouseHoverLineIndex(
_renderLyricsLines,
_isMouseInLyricsArea,
_mousePosition,
_canvasYScrollTransition.Value + _mouseYScrollTransition.Value,
_renderLyricsStartY,
_renderLyricsHeight,
lyricsStyle.PlayingLineTopOffset / 100.0
);
_visibleRange = LyricsLayoutManager.CalculateVisibleRange(
_renderLyricsLines,
_canvasYScrollTransition.Value + _mouseYScrollTransition.Value, // <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
_renderLyricsStartY,
_renderLyricsHeight,
sender.Size.Height,
lyricsStyle.PlayingLineTopOffset / 100.0
);
var maxRange = LyricsLayoutManager.CalculateMaxRange(_renderLyricsLines);
_animator.UpdateLines(
_renderLyricsLines,
_isMouseScrolling ? maxRange.Start : _visibleRange.Start,
_isMouseScrolling ? maxRange.End : _visibleRange.End,
_playingLineIndex,
sender.Size.Height,
_canvasTargetScrollOffset,
lyricsStyle.PlayingLineTopOffset / 100.0,
_lyricsWindowStatus.LyricsStyleSettings,
_lyricsWindowStatus.LyricsEffectSettings,
_canvasYScrollTransition,
_albumArtThemeColors.BgFontColor,
_albumArtThemeColors.FgFontColor,
elapsedTime,
_isMouseScrolling,
_isLayoutChanged,
isPlayingLineChanged,
_isMouseScrollingChanged
);
_isMouseScrollingChanged = false;
_lyricsRenderer.CalculateLyrics3DMatrix(
lyricsEffect: lyricsEffect,
lyricsX: _renderLyricsStartX,
lyricsY: _renderLyricsStartY,
lyricsWidth: _renderLyricsWidth,
canvasHeight: sender.Size.Height
);
_isLayoutChanged = false;
_fluidRenderer.IsEnabled = lyricsBg.IsFluidOverlayEnabled;
_fluidRenderer.Opacity = lyricsBg.FluidOverlayOpacity / 100.0;
_fluidRenderer.UpdateColors(
_accentColor1Transition.Value,
_accentColor2Transition.Value,
_accentColor3Transition.Value,
_accentColor4Transition.Value
);
_fluidRenderer.Update(elapsedTime);
_coverRenderer.IsEnabled = lyricsBg.IsCoverOverlayEnabled;
_coverRenderer.Opacity = lyricsBg.CoverOverlayOpacity;
_coverRenderer.BlurAmount = lyricsBg.CoverOverlayBlurAmount;
_coverRenderer.Speed = lyricsBg.CoverOverlaySpeed;
_coverRenderer.Update(elapsedTime);
_snowRenderer.IsEnabled = lyricsBg.IsSnowFlakeOverlayEnabled;
_snowRenderer.Amount = lyricsBg.SnowFlakeOverlayAmount / 100f;
_snowRenderer.Speed = lyricsBg.SnowFlakeOverlaySpeed;
_snowRenderer.Update(elapsedTime.TotalSeconds);
_fogRenderer.IsEnabled = lyricsBg.IsFogOverlayEnabled;
_fogRenderer.Update(elapsedTime.TotalSeconds);
if (lyricsBg.IsSpectrumOverlayEnabled && !_spectrumAnalyzer.IsCapturing)
{
_spectrumAnalyzer.BarCount = lyricsBg.SpectrumCount;
_spectrumAnalyzer.StartCapture();
}
else if (!lyricsBg.IsSpectrumOverlayEnabled && _spectrumAnalyzer.IsCapturing)
{
_spectrumAnalyzer.StopCapture();
}
if (_spectrumAnalyzer.IsCapturing)
{
_spectrumAnalyzer.UpdateSmoothSpectrum();
}
}
private void Canvas_Unloaded(object sender, RoutedEventArgs e)
{
_fluidRenderer.Dispose();
_coverRenderer.Dispose();
_snowRenderer.Dispose();
_fogRenderer.Dispose();
_spectrumRenderer.Dispose();
_renderLyricsLines = null;
DisposeAnalyzer();
Canvas.RemoveFromVisualTree();
Canvas = null;
}
private async void Canvas_CreateResources(CanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.CanvasCreateResourcesEventArgs args)
{
var tasks = new Task[]
{
_fluidRenderer.LoadResourcesAsync(),
ReloadCoverBackgroundResourcesAsync()
};
args.TrackAsyncAction(Task.WhenAll(tasks).AsAsyncAction());
_snowRenderer.LoadResources();
_fogRenderer.LoadResources();
_isLayoutChanged = true;
TriggerRelayout();
}
// ====
private void DisposeAnalyzer()
{
if (_spectrumAnalyzer.IsCapturing)
{
_spectrumAnalyzer.StopCapture();
}
_spectrumAnalyzer.Dispose();
}
private void TriggerRelayout()
{
if (_renderLyricsLines == null || !_isLayoutChanged || _lyricsWindowStatus == null) return;
LyricsLayoutManager.MeasureAndArrange(
resourceCreator: Canvas,
lines: _renderLyricsLines,
status: _lyricsWindowStatus,
appSettings: _settingsService.AppSettings,
canvasWidth: Canvas.Size.Width,
canvasHeight: Canvas.Size.Height,
lyricsWidth: _renderLyricsWidth,
lyricsHeight: _renderLyricsHeight
);
}
private void UpdatePlaybackState(TimeSpan elapsedTime)
{
if (_mediaSessionsService.CurrentIsPlaying)
{
_songPosition += elapsedTime;
_totalPlayedTime += elapsedTime;
_songPositionWithOffset = _songPosition + TimeSpan.FromMilliseconds(_mediaSessionsService.CurrentMediaSourceProviderInfo?.PositionOffset ?? 0);
CheckAndScrobbleLastFM();
}
}
private void CheckAndScrobbleLastFM()
{
bool isEnabled = _mediaSessionsService.CurrentMediaSourceProviderInfo?.IsLastFMTrackEnabled ?? false;
if (!isEnabled || _isLastFMTracked) return;
var songInfo = _mediaSessionsService.CurrentSongInfo;
if (songInfo == null || songInfo.Duration <= 0) return;
if (_totalPlayedTime.TotalSeconds >= songInfo.Duration * 0.5)
{
_isLastFMTracked = true;
_lastFMService.TrackAsync(songInfo);
}
}
private void ResetPlaybackState()
{
_songPosition = TimeSpan.Zero;
_totalPlayedTime = TimeSpan.Zero;
_isLastFMTracked = false;
}
private void UpdateRenderLyricsLines()
{
_renderLyricsLines = null;
_renderLyricsLines = _mediaSessionsService.CurrentLyricsData?.LyricsLines.Select(x => new RenderLyricsLine()
{
LyricsSyllables = x.LyricsSyllables,
StartMs = x.StartMs,
EndMs = x.EndMs,
PhoneticText = x.PhoneticText,
OriginalText = x.OriginalText,
TranslatedText = x.TranslatedText
}).ToList();
}
private async Task ReloadCoverBackgroundResourcesAsync()
{
if (_mediaSessionsService.AlbumArtBitmapStream is IRandomAccessStream stream)
{
stream.Seek(0);
CanvasBitmap bitmap = await CanvasBitmap.LoadAsync(Canvas, stream);
_coverRenderer.SetCoverBitmap(bitmap);
}
}
public void Receive(PropertyChangedMessage<TimeSpan> message)
{
if (message.Sender is IMediaSessionsService)
{
if (message.PropertyName == nameof(IMediaSessionsService.CurrentPosition))
{
var realPosition = message.NewValue;
var diff = Math.Abs(_songPosition.TotalMilliseconds - realPosition.TotalMilliseconds);
var timelineSyncThreshold = _mediaSessionsService.CurrentMediaSourceProviderInfo?.TimelineSyncThreshold ?? 0;
// ƫ<><C6AB> or seek
if (diff >= timelineSyncThreshold)
{
_songPosition = realPosition;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˿<EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD> LastFM ͳ<><CDB3>״̬
if (_songPosition.TotalSeconds <= 1)
{
_totalPlayedTime = TimeSpan.Zero;
_isLastFMTracked = false;
}
}
// <20>϶<EFBFBD><CFB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD>
if (diff >= timelineSyncThreshold + 5000)
{
_isLayoutChanged = true;
}
}
}
}
public void Receive(PropertyChangedMessage<LyricsData?> message)
{
if (message.Sender is IMediaSessionsService)
{
if (message.PropertyName == nameof(IMediaSessionsService.CurrentLyricsData))
{
UpdateRenderLyricsLines();
_isLayoutChanged = true;
}
}
}
public void Receive(PropertyChangedMessage<SongInfo?> message)
{
if (message.Sender is IMediaSessionsService)
{
if (message.PropertyName == nameof(IMediaSessionsService.CurrentSongInfo))
{
ResetPlaybackState();
}
}
}
public void Receive(PropertyChangedMessage<int> message)
{
if (message.Sender == LyricsWindowStatus?.LyricsStyleSettings)
{
if (message.PropertyName == nameof(LyricsStyleSettings.PhoneticLyricsFontSize))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsStyleSettings.OriginalLyricsFontSize))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsStyleSettings.TranslatedLyricsFontSize))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsStyleSettings.LyricsFontStrokeWidth))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsStyleSettings.PlayingLineTopOffset))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsStyleSettings.PhoneticLyricsOpacity))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsStyleSettings.OriginalLyricsOpacity))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsStyleSettings.TranslatedLyricsOpacity))
{
_isLayoutChanged = true;
}
}
else if (message.Sender == LyricsWindowStatus?.LyricsEffectSettings)
{
if (message.PropertyName == nameof(LyricsEffectSettings.LyricsScrollDuration))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsEffectSettings.LyricsScrollTopDuration))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsEffectSettings.LyricsScrollBottomDuration))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsEffectSettings.LyricsScrollTopDelay))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsEffectSettings.LyricsScrollBottomDelay))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsEffectSettings.FanLyricsAngle))
{
_isLayoutChanged = true;
}
}
}
public void Receive(PropertyChangedMessage<double> message)
{
if (message.Sender == LyricsWindowStatus?.LyricsStyleSettings)
{
if (message.PropertyName == nameof(LyricsStyleSettings.LyricsLineSpacingFactor))
{
_isLayoutChanged = true;
}
}
}
public void Receive(PropertyChangedMessage<bool> message)
{
if (message.Sender == LyricsWindowStatus?.LyricsEffectSettings)
{
if (message.PropertyName == nameof(LyricsEffectSettings.IsFanLyricsEnabled))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsEffectSettings.IsLyricsBlurEffectEnabled))
{
_isLayoutChanged = true;
}
}
else if (message.Sender == LyricsWindowStatus?.LyricsStyleSettings)
{
if (message.PropertyName == nameof(LyricsStyleSettings.IsDynamicLyricsFontSize))
{
_isLayoutChanged = true;
}
}
}
public void Receive(PropertyChangedMessage<TextAlignmentType> message)
{
if (message.Sender == LyricsWindowStatus?.LyricsStyleSettings)
{
if (message.PropertyName == nameof(LyricsStyleSettings.LyricsAlignmentType))
{
_isLayoutChanged = true;
}
}
}
public void Receive(PropertyChangedMessage<LyricsFontWeight> message)
{
if (message.Sender == LyricsWindowStatus?.LyricsStyleSettings)
{
if (message.PropertyName == nameof(LyricsStyleSettings.LyricsFontWeight))
{
_isLayoutChanged = true;
}
}
}
public void Receive(PropertyChangedMessage<string> message)
{
if (message.Sender == LyricsWindowStatus?.LyricsStyleSettings)
{
if (message.PropertyName == nameof(LyricsStyleSettings.LyricsCJKFontFamily))
{
_isLayoutChanged = true;
}
else if (message.PropertyName == nameof(LyricsStyleSettings.LyricsWesternFontFamily))
{
_isLayoutChanged = true;
}
}
}
public void Receive(PropertyChangedMessage<IRandomAccessStream?> message)
{
if (message.Sender is IMediaSessionsService)
{
if (message.PropertyName == nameof(IMediaSessionsService.AlbumArtBitmapStream))
{
_ = ReloadCoverBackgroundResourcesAsync();
}
}
}
}
}