| 1 | using System.Globalization; |
| 2 | using Avalonia; |
| 3 | using Avalonia.Media; |
| 4 | using CascadeIDE.Models; |
| 5 | using static CascadeIDE.Cockpit.PrimitivesKit.CockpitPrimitivesPalette.Annunciator; |
| 6 | |
| 7 | namespace CascadeIDE.Cockpit.PrimitivesKit; |
| 8 | |
| 9 | /// <summary> |
| 10 | /// Стандартная ячейка annunciator: подпись и уровень <see cref="AnnunciatorLampLevel"/> (ADR 0021 §5, ADR 0063). |
| 11 | /// </summary> |
| 12 | public readonly record struct LabeledAnnunciatorLampFace(string ShortLabel, AnnunciatorLampLevel Level) |
| 13 | { |
| 14 | public void Draw(DrawingContext context, Rect outerRect) |
| 15 | { |
| 16 | AnnunciatorLampChrome.DrawCellHousing(context, outerRect); |
| 17 | |
| 18 | var lens = AnnunciatorLampChrome.ComputeFaceSquare(outerRect); |
| 19 | |
| 20 | var isOff = Level == AnnunciatorLampLevel.Ok; |
| 21 | if (lens.Width > 1 && lens.Height > 1) |
| 22 | { |
| 23 | if (isOff) |
| 24 | { |
| 25 | var offBrush = new LinearGradientBrush |
| 26 | { |
| 27 | StartPoint = new RelativePoint(0, 0, RelativeUnit.Relative), |
| 28 | EndPoint = new RelativePoint(0, 1, RelativeUnit.Relative), |
| 29 | GradientStops = |
| 30 | { |
| 31 | new GradientStop(OffLensTop, 0), |
| 32 | new GradientStop(OffLensBottom, 1), |
| 33 | }, |
| 34 | }; |
| 35 | context.DrawRectangle(offBrush, new Pen(new SolidColorBrush(OffLensBorder), 0.75), lens); |
| 36 | } |
| 37 | else |
| 38 | { |
| 39 | var lampFillColor = LitLens(Level); |
| 40 | var top = AnnunciatorLampChrome.Lighten(lampFillColor, 0.2); |
| 41 | var bottom = AnnunciatorLampChrome.Darken(lampFillColor, 0.24); |
| 42 | var lensBrush = new LinearGradientBrush |
| 43 | { |
| 44 | StartPoint = new RelativePoint(0, 0, RelativeUnit.Relative), |
| 45 | EndPoint = new RelativePoint(0, 1, RelativeUnit.Relative), |
| 46 | GradientStops = |
| 47 | { |
| 48 | new GradientStop(top, 0), |
| 49 | new GradientStop(lampFillColor, 0.48), |
| 50 | new GradientStop(bottom, 1), |
| 51 | }, |
| 52 | }; |
| 53 | context.DrawRectangle(lensBrush, new Pen(Brushes.Black, 0.75), lens); |
| 54 | |
| 55 | var hlH = Math.Max(1.5, lens.Height * 0.22); |
| 56 | var highlight = new Rect(lens.X + 1, lens.Y + 1, lens.Width - 2, hlH); |
| 57 | context.DrawRectangle(new SolidColorBrush(Color.FromArgb(48, 255, 255, 255)), null, highlight); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | IBrush fillBrush = isOff |
| 62 | ? new SolidColorBrush(OffLabelFill) |
| 63 | : Brushes.White; |
| 64 | var strokeBrush = isOff |
| 65 | ? new SolidColorBrush(OutlinedTextStrokeDim) |
| 66 | : new SolidColorBrush(OutlinedTextStrokeLit); |
| 67 | |
| 68 | DrawLampShortLabel(context, outerRect, ShortLabel, fillBrush, strokeBrush); |
| 69 | } |
| 70 | |
| 71 | private static void DrawLampShortLabel( |
| 72 | DrawingContext context, |
| 73 | Rect outerRect, |
| 74 | string shortLabel, |
| 75 | IBrush fillBrush, |
| 76 | IBrush strokeBrush) |
| 77 | { |
| 78 | var rawLines = shortLabel.Split('\n', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries); |
| 79 | var lines = rawLines.Length <= 2 ? rawLines : rawLines.Take(2).ToArray(); |
| 80 | if (lines.Length == 0) |
| 81 | return; |
| 82 | |
| 83 | if (lines.Length == 1) |
| 84 | { |
| 85 | var line = lines[0]; |
| 86 | var ftFill = new FormattedText( |
| 87 | line, |
| 88 | CultureInfo.InvariantCulture, |
| 89 | FlowDirection.LeftToRight, |
| 90 | AnnunciatorLampChrome.LabelTypeface, |
| 91 | AnnunciatorLampMetrics.LabelFontSize, |
| 92 | fillBrush); |
| 93 | var ftStroke = new FormattedText( |
| 94 | line, |
| 95 | CultureInfo.InvariantCulture, |
| 96 | FlowDirection.LeftToRight, |
| 97 | AnnunciatorLampChrome.LabelTypeface, |
| 98 | AnnunciatorLampMetrics.LabelFontSize, |
| 99 | strokeBrush); |
| 100 | var origin = new Point( |
| 101 | outerRect.X + (outerRect.Width - ftFill.Width) / 2, |
| 102 | outerRect.Y + (outerRect.Height - ftFill.Height) / 2); |
| 103 | AnnunciatorLampChrome.DrawOutlinedText(context, ftStroke, ftFill, origin); |
| 104 | return; |
| 105 | } |
| 106 | |
| 107 | const double lineGap = 0.5; |
| 108 | var fontSize = AnnunciatorLampMetrics.TwoLineLabelFontSize; |
| 109 | var formatted = new (FormattedText Fill, FormattedText Stroke)[2]; |
| 110 | double totalH = 0; |
| 111 | for (var i = 0; i < lines.Length; i++) |
| 112 | { |
| 113 | var line = lines[i]; |
| 114 | var fFill = new FormattedText( |
| 115 | line, |
| 116 | CultureInfo.InvariantCulture, |
| 117 | FlowDirection.LeftToRight, |
| 118 | AnnunciatorLampChrome.LabelTypeface, |
| 119 | fontSize, |
| 120 | fillBrush); |
| 121 | var fStroke = new FormattedText( |
| 122 | line, |
| 123 | CultureInfo.InvariantCulture, |
| 124 | FlowDirection.LeftToRight, |
| 125 | AnnunciatorLampChrome.LabelTypeface, |
| 126 | fontSize, |
| 127 | strokeBrush); |
| 128 | formatted[i] = (fFill, fStroke); |
| 129 | totalH += fFill.Height; |
| 130 | } |
| 131 | |
| 132 | totalH += lineGap; |
| 133 | var y = outerRect.Y + (outerRect.Height - totalH) / 2; |
| 134 | for (var i = 0; i < lines.Length; i++) |
| 135 | { |
| 136 | var (ftFill, ftStroke) = formatted[i]; |
| 137 | var x = outerRect.X + (outerRect.Width - ftFill.Width) / 2; |
| 138 | AnnunciatorLampChrome.DrawOutlinedText(context, ftStroke, ftFill, new Point(x, y)); |
| 139 | y += ftFill.Height + (i == 0 ? lineGap : 0); |
| 140 | } |
| 141 | } |
| 142 | } |
| 143 | |