✨ feat(AllColor): 新增颜色渐变输出，支持参数指定每通道颜色数及按 Q 取消

    public string? Description { get; } = "相比 16 色内置控制台，Spectre 支持更多颜色。";

    public async Task Run(string[] args)

    {

        AnsiConsole.WriteLine("嘿嘿");

        var cpc = args.Length > 0 ? byte.Parse(args[0]) : 255;

        var ct = new CancellationTokenSource();

        _ = Task.Run(() =>

        {

            while (Console.ReadKey().Key == ConsoleKey.Q)

            {

                if (ct is null)

                    return;

                ct?.Cancel();

            }

        }, ct.Token);

        await MakeGradient(cpc, ct.Token);

        ct?.Cancel();

        AnsiConsole.WriteLine();

    }

    private async Task MakeGradient(int colorsPerChannel, CancellationToken ct = default)

    {

        var i = 255 / colorsPerChannel;

        try

        {

            for (float r = 0; r < 255; r += i)

            {

                ct.ThrowIfCancellationRequested();

                for (float g = 0; g < 255; g += i)

                {

                    ct.ThrowIfCancellationRequested();

                    for (float b = 0; b < 255; b += i)

                    {

                        ct.ThrowIfCancellationRequested();

                        var tr = (byte)Math.Clamp(Math.Floor(r), 0, 255);

                        var tg = (byte)Math.Clamp(Math.Floor(g), 0, 255);

                        var tb = (byte)Math.Clamp(Math.Floor(b), 0, 255);

                        var tx = new Text(" ", new Style(null, new Color(tr, tg, tb)));

                        AnsiConsole.Write(tx);

                    }

                }

            }

        }

        catch (OperationCanceledException)

        {

        }

    }

}

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