gramps
882b8551d9
Reported: the ticker was painting OVER the socials. The coupling rule existed and was tested (ScoreboardLayout.ResolveEdges) but nothing ever CALLED it — the strip's Y still came from its own preference, so both bars landed on the south edge. Now the resolution runs at publish time: the social bar keeps its side, the scoreboard takes the other one, and its Y follows from that edge. The pair re-sorts whenever the social bar moves (the preview click-toggle) or shows/hides, because the rule is "resolve from what is visible", not a stored pairing. The layer also gains an Edge preference (Top/Bottom) in its properties, labelled "socials take the other" — a preference, never a claim on an occupied edge. Also stabilised the opacity assertion: it samples a plate-only pixel 5px from the left edge instead of the first semi-transparent pixel it finds (which could be anti-aliased text).
86 lines
4.4 KiB
C#
86 lines
4.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Threading;
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using Xunit;
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using ytLive.Services;
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using ytLive.Services.Compositor;
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namespace ytLive.Tests;
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/// <summary>The strip is state, not events: everything enabled is always on screen. These checks
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/// paint the real frame, because a renderer that silently draws nothing would still pass a
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/// structural test.</summary>
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public class ScoreboardRendererTests
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{
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private static readonly List<string> Tiles = new() { "Members 12", "Milestones 3", "SC $47.00" };
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[Fact]
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public void The_strip_paints_the_plate_and_the_text_and_never_needs_a_scroll()
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{
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Exception? failure = null;
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var thread = new Thread(() =>
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{
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try
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{
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// Plate on: half-transparent blue behind white text.
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var plated = ScoreboardRenderer.Render(Tiles, new ScoreboardStyle("#FFFFFF", true, "#0000FF", 0.5));
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Assert.NotNull(plated);
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Assert.Equal(ScoreboardRenderer.Width, plated!.Width);
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Assert.True(plated.Height > 0);
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Assert.True(Count(plated, (r, g, b, a) => b > 150 && r < 60 && g < 60 && a is > 100 and < 170) > 500,
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"the plate must fill at the chosen colour and opacity");
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Assert.True(Count(plated, (r, g, b, a) => r > 200 && g > 200 && b > 200 && a > 200) > 20,
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"the text must be painted in the chosen colour");
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// Plate off: the same area is transparent, the text survives.
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var bare = ScoreboardRenderer.Render(Tiles, new ScoreboardStyle("#FFFFFF", false, "#0000FF", 0.5));
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Assert.NotNull(bare);
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Assert.Equal(0, Count(bare!, (r, g, b, a) => b > 150 && r < 60 && g < 60 && a > 100));
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Assert.True(Count(bare!, (r, g, b, a) => r > 200 && g > 200 && b > 200 && a > 200) > 20);
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// Text colour reaches the glyphs.
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var red = ScoreboardRenderer.Render(Tiles, new ScoreboardStyle("#FF0000", false, "#000000", 0.5));
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Assert.True(Count(red!, (r, g, b, a) => r > 180 && g < 80 && b < 80 && a > 200) > 20);
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// The PLATE TOGGLE itself: same text, plate off vs on, different pixels. This is the
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// check that answers "the checkbox has no code behind it".
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var off = ScoreboardRenderer.Render(Tiles, new ScoreboardStyle("#FFFFFF", false, "#0000FF", 0.5));
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var on = ScoreboardRenderer.Render(Tiles, new ScoreboardStyle("#FFFFFF", true, "#0000FF", 0.5));
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Assert.True(Count(on!, (r, g, b, a) => b > 150 && r < 60 && g < 60 && a > 100)
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> Count(off!, (r, g, b, a) => b > 150 && r < 60 && g < 60 && a > 100) + 500,
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"turning the plate on must add plate pixels");
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// Opacity: 20% and 80% must produce visibly different plate transparency.
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var faint = ScoreboardRenderer.Render(Tiles, new ScoreboardStyle("#FFFFFF", true, "#0000FF", 0.2));
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var solid = ScoreboardRenderer.Render(Tiles, new ScoreboardStyle("#FFFFFF", true, "#0000FF", 0.8));
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// Sample a plate-only pixel (5px in from the left edge, vertical middle): the text is
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// centred, so nothing anti-aliased can pollute the alpha reading.
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static int AlphaOf(VideoFrame f) => f.BgraPixels[((f.Height / 2) * f.Width + 5) * 4 + 3];
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Assert.InRange(AlphaOf(faint!), 35, 70); // ~20% of 255
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Assert.InRange(AlphaOf(solid!), 190, 220); // ~80% of 255
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Assert.True(AlphaOf(solid!) > AlphaOf(faint!) + 100, "the opacity slider must move the alpha");
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// Nothing enabled: no frame at all (the layer draws nothing).
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Assert.Null(ScoreboardRenderer.Render(Array.Empty<string>(), new ScoreboardStyle()));
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}
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catch (Exception ex) { failure = ex; }
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});
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thread.SetApartmentState(ApartmentState.STA);
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thread.Start();
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thread.Join();
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Assert.Null(failure);
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}
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private static int Count(VideoFrame frame, Func<int, int, int, int, bool> predicate)
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{
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var hits = 0;
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for (var i = 0; i < frame.BgraPixels.Length; i += 4)
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if (predicate(frame.BgraPixels[i + 2], frame.BgraPixels[i + 1], frame.BgraPixels[i], frame.BgraPixels[i + 3]))
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hits++;
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return hits;
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}
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}
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