wehub-resource-sync
91 lines
3.1 KiB
C#
91 lines
3.1 KiB
C#
#nullable enable
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using System.Diagnostics.CodeAnalysis;
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using System.Globalization;
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using T3.Editor.Gui.Interaction;
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using T3.Editor.Gui.Interaction.Snapping;
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namespace T3.Editor.Gui.Windows.TimeLine.Raster;
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/// <summary>
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/// A time raster (vertical lines) that calculate required labels and spacing logarithmically.
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/// </summary>
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internal sealed class StandardValueRaster : AbstractTimeRaster
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{
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internal override void Draw(TimeLineCanvas timeLineCanvas, float unitsPerSeconds, float verticalLabelAlign = 1)
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{
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UnitsPerSecond = unitsPerSeconds / timeLineCanvas.Playback.Bpm * 60f * 4f;
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var scale = timeLineCanvas.Scale.X / UnitsPerSecond;
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var scroll = timeLineCanvas.Scroll.X * UnitsPerSecond;
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DrawTimeTicks(scale, scroll, timeLineCanvas,verticalLabelAlign);
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}
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/// <summary>
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/// Normally time rasters don't snap by default.
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/// When <see cref="StandardValueRaster"/> is used inside curve editors,
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/// default snapping is enabled.
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/// </summary>
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public bool EnableSnapping = false;
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public void Draw(ScalableCanvas canvas)
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{
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var unitInSecs = 1;
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var scale = canvas.Scale.X / unitInSecs;
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var scroll = canvas.Scroll.X * canvas.Scale.X;
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DrawTimeTicks(scale, scroll / scale, canvas);
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}
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protected override string BuildLabel(Raster raster, double timeInUnits)
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{
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var output = "";
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foreach (var c in raster.Label)
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{
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if (c == 'N')
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{
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output += timeInUnits.ToString("G5", CultureInfo.InvariantCulture);
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}
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else
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{
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output += c;
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}
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}
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return output;
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}
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protected override void InitScaleRanges(float density) { }
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protected override bool TryGetRastersForScale(double scale, [NotNullWhen(true)] out Raster[]? rasters,
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out float fadeFactor)
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{
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const float density = 1.0f;
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var logScale = (float) Math.Log10(scale) + density;
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var logScaleMod = (logScale + 1000) % 1.0f;
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var logScaleFloor = (float) Math.Floor(logScale);
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if (logScaleMod < 0.5)
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{
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fadeFactor = 1 - logScaleMod * 2;
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_blendRasters[0] = new Raster(Label: "N", Spacing: (float) Math.Pow(10, logScaleFloor) * 50);
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_blendRasters[1] = new Raster(Label: "N", Spacing: (float) Math.Pow(10, logScaleFloor) * 10, true, true);
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}
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else
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{
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fadeFactor = 1 - (logScaleMod - 0.5f) * 2;
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_blendRasters[0] = new Raster(Label: "N", Spacing: (float) Math.Pow(10, logScaleFloor) * 100);
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_blendRasters[1] = new Raster(Label: "N", Spacing: (float) Math.Pow(10, logScaleFloor) * 50, true, true);
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}
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rasters = _blendRasters;
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return true;
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}
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public override void CheckForSnap(ref SnapResult snapResult)
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{
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if (EnableSnapping)
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base.CheckForSnap(ref snapResult);
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}
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private readonly Raster[] _blendRasters = new Raster[2];
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} |