| 1 | #nullable enable |
| 2 | using Avalonia; |
| 3 | using Avalonia.Media; |
| 4 | using Avalonia.Styling; |
| 5 | using SkiaSharp; |
| 6 | |
| 7 | namespace CascadeIDE.Views.SkiaKit; |
| 8 | |
| 9 | internal static class SkiaKitColor |
| 10 | { |
| 11 | public static SKColor Blend(SKColor a, SKColor b, float t) |
| 12 | { |
| 13 | t = Math.Clamp(t, 0, 1); |
| 14 | return new SKColor( |
| 15 | (byte)(a.Red + (b.Red - a.Red) * t), |
| 16 | (byte)(a.Green + (b.Green - a.Green) * t), |
| 17 | (byte)(a.Blue + (b.Blue - a.Blue) * t), |
| 18 | (byte)(a.Alpha + (b.Alpha - a.Alpha) * t)); |
| 19 | } |
| 20 | |
| 21 | public static SKColor Darken(SKColor color, float amount) |
| 22 | { |
| 23 | amount = Math.Clamp(amount, 0, 1); |
| 24 | return new SKColor( |
| 25 | (byte)(color.Red * amount), |
| 26 | (byte)(color.Green * amount), |
| 27 | (byte)(color.Blue * amount), |
| 28 | color.Alpha); |
| 29 | } |
| 30 | |
| 31 | public static bool TrySkColor(StyledElement element, string key, out SKColor color) |
| 32 | { |
| 33 | if (element.TryGetResource(key, element.ActualThemeVariant, out var resource) && resource is IBrush brush) |
| 34 | { |
| 35 | color = BrushToSkColor(brush); |
| 36 | return true; |
| 37 | } |
| 38 | |
| 39 | color = default; |
| 40 | return false; |
| 41 | } |
| 42 | |
| 43 | public static SKColor BrushToSkColor(IBrush brush) => |
| 44 | brush is SolidColorBrush solid |
| 45 | ? new SKColor(solid.Color.R, solid.Color.G, solid.Color.B, solid.Color.A) |
| 46 | : new SKColor(45, 45, 48); |
| 47 | } |
| 48 | |