gramps
d4aa588da0
Replace the external StreamElements feed with NATIVE YouTube events per the creator's 2026-09-23 question. Chat parity half: - YouTubeChatService decodes ALL SIX liveChat/messages event types into ChatMessage.Kind (superChat/superSticker/newSponsor/membershipGifting/ giftMembershipReceived/memberMilestoneChat) — the four formerly-empty overlay rows are real now — and re-arms its one-shot poll on the server's pollingIntervalMillis (streamList connection semantics; clamp 1000-6000ms, maxResults=2000). ParsePage internal static seam + ChatPage record for deterministic tests; optional HttpClient ctor seam kept; InjectSimulatedMessage (TASK 41) preserved. Alerts half (creator rulings: one celebration zone, six UNIQUE animations, no menus/polls, sub mention = chat row only, NO viewer count): - New SourceType.AlertBox 'Stream Alerts' (one per layout, CanAddAlerts gate mirroring chat; idle = transparent). - AlertRenderer: six distinct branded animations (SuperChat slide-up/shine/ count-up, SuperSticker scale-pop, NewMember drop-in/flash, MemberGift slide-left/ chip-fan, GiftReceived confetti, MemberMilestone rise/growth-bar), every card drawing the 'made with LlamaCasty!' brand line. - AlertOverlayLayer: true component (Commit-G pattern) — queue (cap 10, drop tail never stall), 33ms UI ticker, cache-first RenderFrame + UpdatePreview, Advance(double) as the deterministic test clock; ChatEventKind.None rows never enqueue. - Wired: resolver RenderAlertBox, _alertLayer ctor + dispose, LoadLayout previews, Add menu item (Controls/LeftPanel.xaml), TestSessionViewModel sims tagged (member->NewMember, superchat->SuperChat). Good Dog ONE integration test: AlertLayerTests (RealApp STA, real WPF raster) — ParsePage classifies all six kinds + cadence fields; None rows enqueue nothing; six events play pairwise-distinct moving frames then drain to null. Gate: clean build 0 warnings; full suite 316/317, the one failure (LayerReorderPersistenceTests.RealMouseDrag) repros on the clean tree — the known environmental class (real-mouse-drag no-ops with a game/fullscreen window focused). References (OBS/overlay ecosystem): - streamList semantics: https://developers.google.com/youtube/v3/live/docs/liveChatMessages/streamList - OBS alert-box pattern (designated celebration zone, idle transparent): creator-chosen model
389 lines
17 KiB
C#
389 lines
17 KiB
C#
using System.Globalization;
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using System.Windows;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using ytLive.Models;
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namespace ytLive.Services;
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/// <summary>
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/// Renders one event's celebration animation into a BGRA8 frame for the AlertBox.
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/// Six event kinds, six UNIQUE animations — each a distinct gesture, palette and
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/// layout (the creator's ruling: these are the monetization shout-outs and free
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/// branded product placement; a one-template recoloring loses all interest in two
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/// iterations). Each card carries the bottom-right brand line so every broadcast
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/// of an event is an in-video ad placement.
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///
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/// <paramref name="t01"/> walks 0→1 over the whole animation; each kind splits it
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/// into enter / hold / exit phases with its own easing.
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/// </summary>
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public sealed class AlertRenderer
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{
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private const double EnterEnd = 0.16;
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private const double ExitStart = 0.80;
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private const string Brand = "made with LlamaCasty!";
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private static readonly CultureInfo Invariant = CultureInfo.InvariantCulture;
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private static readonly Color White = Colors.White;
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private static readonly Color[] ConfettiPalette =
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{
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Color.FromRgb(0xf4, 0x2f, 0x5f), Color.FromRgb(0xff, 0xd1, 0x66),
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Color.FromRgb(0x38, 0xb6, 0xf8), Color.FromRgb(0xa7, 0x8b, 0xfa),
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Color.FromRgb(0x39, 0xd3, 0x53),
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};
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public VideoFrame Render(ChatMessage e, double t01, int width, int height)
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{
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return e.Kind switch
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{
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ChatEventKind.SuperChat => SuperChat(e, t01, width, height),
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ChatEventKind.SuperSticker => SuperSticker(e, t01, width, height),
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ChatEventKind.NewMember => NewMember(e, t01, width, height),
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ChatEventKind.MemberGift => MemberGift(e, t01, width, height),
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ChatEventKind.GiftReceived => GiftReceived(e, t01, width, height),
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ChatEventKind.MemberMilestone => Milestone(e, t01, width, height),
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_ => SuperChat(e, t01, width, height),
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};
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}
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private static VideoFrame SuperChat(ChatMessage e, double t, int w, int h)
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{
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var dpi = 96.0;
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var visual = new DrawingVisual();
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using (var ctx = visual.RenderOpen())
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{
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var margin = Math.Max(w, h) * 0.03;
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var cardX = margin;
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var cardW = w - margin * 2;
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var cardH = h - margin * 2;
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var cardCX = cardX + cardW / 2;
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var enter = Clamp01(t / EnterEnd);
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var exit = Clamp01((t - ExitStart) / (1 - ExitStart));
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var exitEase = EaseInCubic(exit);
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var cardY = Lerp(h + cardH, margin, EaseOutCubic(enter));
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cardY = Lerp(cardY, -cardH, exitEase);
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DrawCard(ctx, cardX, cardY, cardW, cardH, "#0d3b2b", "#14532d", 14);
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DrawBrand(ctx, cardX, cardY, cardW, cardH);
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var shownAmount = e.SuperChatDisplayString
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?? (e.SuperChatCurrency is { Length: > 0 } cur ? $"{cur}{e.SuperChatAmount:0.00}" : $"${e.SuperChatAmount:0.00}");
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var fontSize = cardH * 0.24;
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DrawCentered(ctx, shownAmount, cardCX, cardY + cardH * 0.24, fontSize, FontWeights.Bold, Color.FromRgb(0xff, 0xd1, 0x66), cardW);
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DrawCentered(ctx, e.AuthorName, cardCX, cardY + cardH * 0.56, cardH * 0.13, FontWeights.SemiBold, White, cardW);
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DrawCentered(ctx, e.Message, cardCX, cardY + cardH * 0.74, cardH * 0.10, FontWeights.Normal, Color.FromRgb(0xdd, 0xff, 0xf0), cardW * 0.92);
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if (t >= EnterEnd && t <= ExitStart)
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{
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var sweep = (t - EnterEnd) / (ExitStart - EnterEnd);
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var shineX = cardX + (sweep * 2 - 0.5) * cardW;
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ctx.DrawRectangle(
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new LinearGradientBrush(
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Colors.Transparent,
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Color.FromArgb(0x30, 0xff, 0xff, 0xff),
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new Point(0, 0),
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new Point(1, 0)),
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null,
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new Rect(shineX - cardW * 0.25, cardY, cardW * 0.5, cardH));
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}
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}
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return CreateFrame(visual, w, h, dpi);
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}
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private static VideoFrame SuperSticker(ChatMessage e, double t, int w, int h)
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{
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var dpi = 96.0;
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var visual = new DrawingVisual();
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using (var ctx = visual.RenderOpen())
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{
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var margin = Math.Max(w, h) * 0.04;
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var cardW = w - margin * 2;
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var cardH = h - margin * 2;
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var cardCX = w / 2.0;
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var enter = Clamp01(t / EnterEnd);
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var exit = Clamp01((t - ExitStart) / (1 - ExitStart));
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var scale = EaseOutBack(enter) * (0.85 + 0.15 * (1 - exit));
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if (t > EnterEnd && t <= ExitStart)
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scale = 1.0 + 0.02 * Math.Sin(t * 26.0);
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var alpha = 1.0 - exit;
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ctx.PushOpacity(alpha);
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var slick = new RotateTransform(-6, w / 2.0, h / 2.0);
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ctx.PushTransform(slick);
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ctx.PushTransform(new ScaleTransform(scale, scale, w / 2.0, h / 2.0));
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DrawCard(ctx, margin, margin, cardW, cardH, "#4a044e", "#7e22ce", 20);
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DrawBrand(ctx, margin, margin, cardW, cardH);
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var desc = string.IsNullOrWhiteSpace(e.SuperStickerDescription) ? "SUPER STICKER" : e.SuperStickerDescription.ToUpperInvariant();
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DrawCentered(ctx, desc, cardCX, h / 2.0 - cardH * 0.12, cardH * 0.17, FontWeights.Bold, White, cardW * 0.9);
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DrawCentered(ctx, e.AuthorName, cardCX, h / 2.0 + cardH * 0.16, cardH * 0.12, FontWeights.SemiBold, Color.FromRgb(0xff, 0xb3, 0xd9), cardW * 0.9);
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var tier = e.SuperChatDisplayString ?? (e.SuperChatCurrency is { Length: > 0 } cur ? $"{cur}{e.SuperChatAmount:0.00}" : null);
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if (!string.IsNullOrWhiteSpace(tier))
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DrawCentered(ctx, tier, cardCX, h / 2.0 + cardH * 0.32, cardH * 0.10, FontWeights.Bold, Color.FromRgb(0xff, 0xd1, 0x66), cardW * 0.9);
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ctx.Pop();
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ctx.Pop();
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ctx.Pop();
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}
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return CreateFrame(visual, w, h, dpi);
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}
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private static VideoFrame NewMember(ChatMessage e, double t, int w, int h)
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{
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var dpi = 96.0;
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var visual = new DrawingVisual();
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using (var ctx = visual.RenderOpen())
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{
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var margin = Math.Max(w, h) * 0.035;
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var cardW = w - margin * 2;
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var cardH = h - margin * 2;
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var cardCX = w / 2.0;
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var enter = Clamp01(t / EnterEnd);
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var exit = Clamp01((t - ExitStart) / (1 - ExitStart));
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var cardY = Lerp(-cardH, margin, EaseOutCubic(enter));
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cardY = Lerp(cardY, h, EaseInCubic(exit));
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DrawCard(ctx, margin, cardY, cardW, cardH, "#2e1065", "#5b21b6", 16);
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DrawBrand(ctx, margin, cardY, cardW, cardH);
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if (t <= ExitStart)
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{
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var bandP = EaseOutCubic(Clamp01(t / 0.22));
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ctx.DrawRectangle(
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new LinearGradientBrush(Color.FromArgb(0, 0xff, 0xff, 0xff), Colors.Transparent, new Point(0, 0), new Point(0, 1)),
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null,
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new Rect(margin, cardY + cardH * 0.30, cardW * bandP, cardH * 0.18));
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}
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DrawCentered(ctx, e.AuthorName, cardCX, cardY + cardH * 0.36, cardH * 0.22, FontWeights.Bold, White, cardW * 0.9);
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DrawCentered(ctx, "JOINED THE MEMBERSHIP", cardCX, cardY + cardH * 0.62, cardH * 0.11, FontWeights.SemiBold, Color.FromRgb(0xf5, 0xd0, 0xfe), cardW * 0.9);
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var level = string.IsNullOrWhiteSpace(e.MembershipLevel) ? "MEMBER" : e.MembershipLevel.ToUpperInvariant();
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DrawCentered(ctx, level, cardCX, cardY + cardH * 0.80, cardH * 0.10, FontWeights.Bold, Color.FromRgb(0xff, 0xd1, 0x66), cardW * 0.9);
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}
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return CreateFrame(visual, w, h, dpi);
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}
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private static VideoFrame MemberGift(ChatMessage e, double t, int w, int h)
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{
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var dpi = 96.0;
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var visual = new DrawingVisual();
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using (var ctx = visual.RenderOpen())
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{
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var margin = Math.Max(w, h) * 0.035;
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var cardW = w - margin * 2;
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var cardH = h - margin * 2;
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var cardCX = w / 2.0;
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var enter = Clamp01(t / EnterEnd);
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var exit = Clamp01((t - ExitStart) / (1 - ExitStart));
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var cardX = Lerp(-cardW, margin, EaseOutCubic(enter));
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cardX = Lerp(cardX, -cardW, EaseInCubic(exit));
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DrawCard(ctx, cardX, margin, cardW, cardH, "#422006", "#a16207", 16);
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DrawBrand(ctx, cardX, margin, cardW, cardH);
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var count = Math.Max(1, e.GiftNewMembersCount);
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var spread = 1.0 - exit;
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var hero = count > 1 ? $"×{count}" : "MEMBERSHIP";
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DrawCentered(ctx, hero, cardCX, margin + cardH * 0.24, cardH * 0.26, FontWeights.Bold, Color.FromRgb(0xff, 0xd1, 0x66), cardW * 0.8);
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DrawCentered(ctx, $"{e.AuthorName} is gifting", cardCX, margin + cardH * 0.52, cardH * 0.11, FontWeights.SemiBold, White, cardW * 0.9);
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var chipCount = Math.Min(count, 6);
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for (var i = 0; i < chipCount; i++)
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{
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var slot = (chipCount - 1) * 0.5;
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var gap = cardH * 0.13 * EaseOutCubic(Clamp01(t / 0.30)) * spread;
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var chipX = cardCX + (i - slot) * gap;
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var chipY = margin + cardH * 0.70 + Math.Sin((i + t * 6) * 2.4) * cardH * 0.015;
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ctx.DrawRoundedRectangle(
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new SolidColorBrush(Color.FromRgb(0xff, 0xf3, 0xc4)),
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null,
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new Rect(chipX - cardH * 0.05, chipY, cardH * 0.10, cardH * 0.10),
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cardH * 0.03, cardH * 0.03);
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}
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}
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return CreateFrame(visual, w, h, dpi);
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}
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private static VideoFrame GiftReceived(ChatMessage e, double t, int w, int h)
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{
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var dpi = 96.0;
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var visual = new DrawingVisual();
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using (var ctx = visual.RenderOpen())
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{
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var margin = Math.Max(w, h) * 0.04;
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var cardW = w - margin * 2;
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var cardH = h - margin * 2;
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var cardCX = w / 2.0;
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var enter = Clamp01(t / (EnterEnd * 1.4));
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var exit = Clamp01((t - ExitStart) / (1 - ExitStart));
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var scale = 0.5 + 0.5 * EaseOutBack(enter);
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var alpha = Math.Min(1.0, enter * 1.6) * (1 - exit);
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ctx.PushOpacity(alpha);
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ctx.PushTransform(new ScaleTransform(scale, scale, w / 2.0, h / 2.0));
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DrawCard(ctx, margin, margin, cardW, cardH, "#14532d", "#4c1d95", 18);
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DrawBrand(ctx, margin, margin, cardW, cardH);
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// Confetti falling inside the card during the hold (deterministic seed).
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if (t >= EnterEnd && t <= ExitStart)
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{
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var hold = (t - EnterEnd) / (ExitStart - EnterEnd);
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for (var i = 0; i < 14; i++)
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{
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var seed = i * 37 + 11;
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var dotX = margin + cardW * (((seed * 53) % 97) / 97.0);
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var dotY = margin + cardH * (((seed + hold * 0.85) % 1.0));
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var size = cardH * 0.02 + (i % 3) * cardH * 0.006;
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ctx.DrawRectangle(
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new SolidColorBrush(ConfettiPalette[i % ConfettiPalette.Length]),
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null,
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new Rect(dotX, dotY, size, size));
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}
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}
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DrawCentered(ctx, "GIFTED MEMBERSHIP", cardCX, margin + cardH * 0.22, cardH * 0.12, FontWeights.Bold, Color.FromRgb(0xff, 0xd1, 0x66), cardW * 0.9);
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var giver = string.IsNullOrWhiteSpace(e.GifterName) ? e.AuthorName : e.GifterName;
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DrawCentered(ctx, giver, cardCX, margin + cardH * 0.42, cardH * 0.20, FontWeights.Bold, White, cardW * 0.9);
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DrawCentered(ctx, "gave you a membership — celebrate!", cardCX, margin + cardH * 0.68, cardH * 0.11, FontWeights.Normal, Color.FromRgb(0xdb, 0xff, 0xf0), cardW * 0.9);
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ctx.Pop();
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ctx.Pop();
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}
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return CreateFrame(visual, w, h, dpi);
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}
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private static VideoFrame Milestone(ChatMessage e, double t, int w, int h)
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{
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var dpi = 96.0;
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var visual = new DrawingVisual();
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using (var ctx = visual.RenderOpen())
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{
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var margin = Math.Max(w, h) * 0.04;
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var cardW = w - margin * 2;
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var cardH = h - margin * 2;
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var cardCX = w / 2.0;
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var enter = Clamp01(t / EnterEnd);
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var exit = Clamp01((t - ExitStart) / (1 - ExitStart));
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var cardY = Lerp(h + cardH, margin, EaseOutCubic(enter));
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cardY = Lerp(cardY, -cardH, EaseInCubic(exit));
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DrawCard(ctx, margin, cardY, cardW, cardH, "#431407", "#c2410c", 14);
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DrawBrand(ctx, margin, cardY, cardW, cardH);
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var hero = e.MilestoneMonths > 0 ? $"{e.MilestoneMonths}" : "MILESTONE";
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DrawCentered(ctx, hero, cardCX, cardY + cardH * 0.26, cardH * 0.30, FontWeights.Bold, Color.FromRgb(0xff, 0xdd, 0x66), cardW * 0.8);
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var sub = e.MilestoneMonths > 0 ? "MONTHS STRONG" : "SUPPORTING THE STREAM";
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DrawCentered(ctx, sub, cardCX, cardY + cardH * 0.52, cardH * 0.11, FontWeights.SemiBold, White, cardW * 0.9);
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DrawCentered(ctx, "— " + e.AuthorName + " —", cardCX, cardY + cardH * 0.70, cardH * 0.10, FontWeights.Normal, Color.FromRgb(0xff, 0xe8, 0xd0), cardW * 0.9);
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// Tenure bar: grows through the first half, retracts on exit.
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var barP = Clamp01((t - 0.10) / 0.55) * (1 - exit);
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var barW = cardW * 0.6 * barP;
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ctx.DrawRoundedRectangle(
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new SolidColorBrush(Color.FromRgb(0xff, 0xd1, 0x66)),
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null,
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new Rect(cardCX - barW / 2, cardY + cardH * 0.84, barW, cardH * 0.045),
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4, 4);
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}
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return CreateFrame(visual, w, h, dpi);
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}
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// ─── Shared drawing ───
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private static void DrawCard(DrawingContext ctx, double x, double y, double w, double h, string fromHex, string toHex, double radius)
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{
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var brush = new LinearGradientBrush(ParseColor(fromHex), ParseColor(toHex), new Point(0, 0), new Point(1, 1));
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ctx.DrawRoundedRectangle(brush, new Pen(new SolidColorBrush(Color.FromArgb(0x66, 0xff, 0xff, 0xff)), Math.Max(1, radius * 0.06)), new Rect(x, y, w, h), radius, radius);
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}
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private static void DrawBrand(DrawingContext ctx, double x, double y, double w, double h)
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{
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var formatted = new FormattedText(
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Brand, Invariant, FlowDirection.LeftToRight,
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new Typeface(new FontFamily("Segoe UI"), FontStyles.Normal, FontWeights.Normal, FontStretches.Normal),
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Math.Max(9, h * 0.055),
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new SolidColorBrush(Color.FromArgb(0x88, 0xff, 0xff, 0xff)),
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96.0);
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ctx.DrawText(formatted, new Point(x + w - formatted.Width - h * 0.08, y + h - formatted.Height - h * 0.05));
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}
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private static void DrawCentered(DrawingContext ctx, string text, double cx, double cy, double size, FontWeight weight, Color color, double maxWidth)
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{
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var formatted = new FormattedText(
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text, Invariant, FlowDirection.LeftToRight,
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new Typeface(new FontFamily("Segoe UI"), FontStyles.Normal, weight, FontStretches.Normal),
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size,
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new SolidColorBrush(color),
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96.0);
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formatted.MaxTextWidth = maxWidth;
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formatted.MaxLineCount = 1;
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formatted.Trimming = TextTrimming.CharacterEllipsis;
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ctx.DrawText(formatted, new Point(cx - formatted.Width / 2, cy - formatted.Height / 2));
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}
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private static Color ParseColor(string hex)
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{
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hex = hex.Trim().TrimStart('#');
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if (hex.Length == 6)
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{
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var r = byte.Parse(hex.AsSpan(0, 2), NumberStyles.HexNumber);
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var g = byte.Parse(hex.AsSpan(2, 2), NumberStyles.HexNumber);
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var b = byte.Parse(hex.AsSpan(4, 2), NumberStyles.HexNumber);
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return Color.FromRgb(r, g, b);
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}
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if (hex.Length == 8)
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{
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var a = byte.Parse(hex.AsSpan(0, 2), NumberStyles.HexNumber);
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var r = byte.Parse(hex.AsSpan(2, 2), NumberStyles.HexNumber);
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var g = byte.Parse(hex.AsSpan(4, 2), NumberStyles.HexNumber);
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var b = byte.Parse(hex.AsSpan(6, 2), NumberStyles.HexNumber);
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return Color.FromArgb(a, r, g, b);
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}
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return Colors.White;
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}
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private static VideoFrame CreateFrame(DrawingVisual visual, int width, int height, double dpi)
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{
|
||
var rtb = new RenderTargetBitmap(width, height, dpi, dpi, PixelFormats.Pbgra32);
|
||
rtb.Render(visual);
|
||
|
||
var stride = width * 4;
|
||
var pixels = new byte[stride * height];
|
||
rtb.CopyPixels(pixels, stride, 0);
|
||
|
||
for (var i = 0; i < pixels.Length; i += 4)
|
||
{
|
||
(pixels[i], pixels[i + 2]) = (pixels[i + 2], pixels[i]);
|
||
}
|
||
|
||
return new VideoFrame(width, height, pixels);
|
||
}
|
||
|
||
private static double Clamp01(double v) => Math.Clamp(v, 0.0, 1.0);
|
||
|
||
private static double Lerp(double a, double b, double p) => a + (b - a) * p;
|
||
|
||
private static double EaseInCubic(double p) => p * p * p;
|
||
|
||
private static double EaseOutCubic(double p) => 1 - Math.Pow(1 - p, 3);
|
||
|
||
private static double EaseOutBack(double p)
|
||
{
|
||
const double c1 = 1.70158;
|
||
const double c3 = c1 + 1;
|
||
return 1 + c3 * Math.Pow(p - 1, 3) + c1 * Math.Pow(p - 1, 2);
|
||
}
|
||
} |