Add demo example

examples/Console/Demo/ColorBox.cs

@@ -0,0 +1,108 @@
+using System.Collections.Generic;
+using System.Diagnostics;
+using Spectre.Console;
+using Spectre.Console.Rendering;
+
+namespace Demo
+{
+    public static partial class Program
+    {
+        public sealed class ColorBox : Renderable
+        {
+            private readonly int _height;
+
+            public ColorBox(int height)
+            {
+                _height = height;
+            }
+
+            protected override Measurement Measure(RenderContext context, int maxWidth)
+            {
+                return new Measurement(1, maxWidth);
+            }
+
+            protected override IEnumerable<Segment> Render(RenderContext context, int maxWidth)
+            {
+                for (var y = 0; y < _height; y++)
+                {
+                    for (var x = 0; x < maxWidth; x++)
+                    {
+                        var h = x / (float)maxWidth;
+                        var l = 0.1f + ((y / (float)_height) * 0.7f);
+                        var (r1, g1, b1) = ColorFromHSL(h, l, 1.0f);
+                        var (r2, g2, b2) = ColorFromHSL(h, l + (0.7f / 10), 1.0f);
+
+                        var background = new Color((byte)(r1 * 255), (byte)(g1 * 255), (byte)(b1 * 255));
+                        var foreground = new Color((byte)(r2 * 255), (byte)(g2 * 255), (byte)(b2 * 255));
+
+                        yield return new Segment("▄", new Style(foreground, background));
+                    }
+
+                    yield return Segment.LineBreak;
+                }
+            }
+
+            private static (float, float, float) ColorFromHSL(double h, double l, double s)
+            {
+                double r = 0, g = 0, b = 0;
+                if (l != 0)
+                {
+                    if (s == 0)
+                    {
+                        r = g = b = l;
+                    }
+                    else
+                    {
+                        double temp2;
+                        if (l < 0.5)
+                        {
+                            temp2 = l * (1.0 + s);
+                        }
+                        else
+                        {
+                            temp2 = l + s - (l * s);
+                        }
+
+                        var temp1 = 2.0 * l - temp2;
+
+                        r = GetColorComponent(temp1, temp2, h + 1.0 / 3.0);
+                        g = GetColorComponent(temp1, temp2, h);
+                        b = GetColorComponent(temp1, temp2, h - 1.0 / 3.0);
+                    }
+                }
+
+                return ((float)r, (float)g, (float)b);
+
+            }
+
+            private static double GetColorComponent(double temp1, double temp2, double temp3)
+            {
+                if (temp3 < 0.0)
+                {
+                    temp3 += 1.0;
+                }
+                else if (temp3 > 1.0)
+                {
+                    temp3 -= 1.0;
+                }
+
+                if (temp3 < 1.0 / 6.0)
+                {
+                    return temp1 + (temp2 - temp1) * 6.0 * temp3;
+                }
+                else if (temp3 < 0.5)
+                {
+                    return temp2;
+                }
+                else if (temp3 < 2.0 / 3.0)
+                {
+                    return temp1 + ((temp2 - temp1) * ((2.0 / 3.0) - temp3) * 6.0);
+                }
+                else
+                {
+                    return temp1;
+                }
+            }
+        }
+    }
+}

examples/Console/Demo/Demo.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <ExampleTitle>Demo</ExampleTitle>
+    <ExampleDescription>Demonstation of Spectre.Console.</ExampleDescription>
+    <ExampleGroup>Misc</ExampleGroup>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\src\Spectre.Console\Spectre.Console.csproj" />
+    <ProjectReference Include="..\..\..\src\Spectre.Console.ImageSharp\Spectre.Console.ImageSharp.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="linux.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="smiley.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

examples/Console/Demo/ExceptionGenerator.cs

@@ -0,0 +1,31 @@
+using System;
+using Spectre.Console;
+
+namespace Demo
+{
+    public static class ExceptionGenerator
+    {
+        public static Exception GenerateException()
+        {
+            try
+            {
+                SomeOperation();
+                throw new InvalidOperationException();
+            }
+            catch (Exception ex)
+            {
+                return ex;
+            }
+        }
+
+        private static void SomeOperation()
+        {
+            SomeOperationGoingWrong();
+        }
+
+        private static void SomeOperationGoingWrong()
+        {
+            throw new InvalidOperationException("Something went very wrong!");
+        }
+    }
+}

examples/Console/Demo/Program.cs

@@ -0,0 +1,157 @@
+using System;
+using Spectre.Console;
+using SixLabors.ImageSharp.Processing;
+using System.Threading;
+using Spectre.Console.Rendering;
+
+namespace Demo
+{
+    public static partial class Program
+    {
+        public static void Main()
+        {
+            var table = new Table().HideHeaders().NoBorder();
+            table.Title("[u][yellow]Spectre.Console[/] [b]Features[/][/]");
+            table.AddColumn("Feature", c => c.NoWrap().RightAligned().Width(10).PadRight(3));
+            table.AddColumn("Demonstration", c => c.PadRight(0));
+            table.AddEmptyRow();
+
+            // Colors
+            table.AddRow(
+                new Markup("[red]Colors[/]"),
+                GetColorTable());
+
+            // Styles
+            table.AddEmptyRow();
+            table.AddRow(
+                new Markup("[red]OS[/]"),
+                new Grid().Expand().AddColumns(3)
+                .AddRow(
+                    "[bold green]Windows[/]",
+                    "[bold blue]macOS[/]",
+                    "[bold yellow]Linux[/]"));
+
+            // Styles
+            table.AddEmptyRow();
+            table.AddRow(
+                "[red]Styles[/]",
+                "All ansi styles: [bold]bold[/], [dim]dim[/], [italic]italic[/], [underline]underline[/], "
+                    + "[strikethrough]strikethrough[/], [reverse]reverse[/], and even [blink]blink[/].");
+
+            // Text
+            table.AddEmptyRow();
+            table.AddRow(
+                new Markup("[red]Text[/]"),
+                new Markup("Word wrap text. Justify [green]left[/], [yellow]center[/] or [blue]right[/]."));
+
+            table.AddEmptyRow();
+            table.AddRow(
+                Text.Empty,
+                GetTextGrid());
+
+            // Markup
+            table.AddEmptyRow();
+            table.AddRow(
+                "[red]Markup[/]",
+                "[bold purple]Spectre.Console[/] supports a simple [i]bbcode[/] like "
+                    + "[b]markup[/] for [yellow]color[/], [underline]style[/], and emoji! "
+                    + ":thumbs_up: :red_apple: :ant: :bear: :baguette_bread: :bus:");
+
+            // Trees and tables
+            table.AddEmptyRow();
+            table.AddRow(
+                new Markup("[red]Tables and Trees[/]"),
+                GetTreeTable());
+
+            // Charts
+            table.AddRow(
+                new Markup("[red]Charts[/]"),
+                new Grid().Collapse().AddColumns(2).AddRow(
+                    new Panel(GetBreakdownChart()).BorderColor(Color.Grey),
+                    new Panel(GetBarChart()).BorderColor(Color.Grey)));
+
+
+            // Exceptions
+            table.AddEmptyRow();
+            table.AddRow(
+                new Markup("[red]Exceptions[/]"),
+                ExceptionGenerator.GenerateException().GetRenderable());
+
+            // Much more
+            table.AddEmptyRow();
+            table.AddRow(
+                "[red]+ Much more![/]",
+                "Tables, Grids, Trees, Progress bars, Status, Bar charts, Calendars, Figlet, Images, Text prompts, "
+                    + "List boxes, Separators, Pretty exceptions, Canvas, CLI parsing");
+            table.AddEmptyRow();
+
+            // Render the table
+            AnsiConsole.WriteLine();
+            AnsiConsole.Render(table);
+        }
+
+        private static IRenderable GetColorTable()
+        {
+            var colorTable = new Table().Collapse().HideHeaders().NoBorder();
+            colorTable.AddColumn("Desc", c => c.PadRight(3)).AddColumn("Colors", c => c.PadRight(0));
+            colorTable.AddRow(
+                new Markup(
+                    "✓ [bold grey]NO_COLOR support[/]\n" +
+                    "✓ [bold green]3-bit color[/]\n" +
+                    "✓ [bold blue]4-bit color[/]\n" +
+                    "✓ [bold purple]8-bit color[/]\n" +
+                    "✓ [bold yellow]Truecolor (16.7 million)[/]\n" +
+                    "✓ [bold aqua]Automatic color conversion[/]"),
+                new ColorBox(6));
+
+            return colorTable;
+        }
+
+        private static IRenderable GetTextGrid()
+        {
+            var loremTable = new Grid();
+            var lorem = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque in metus sed sapien ultricies pretium a at justo. Maecenas luctus velit et auctor maximus.";
+            loremTable.AddColumn(new GridColumn().LeftAligned());
+            loremTable.AddColumn(new GridColumn().Centered());
+            loremTable.AddColumn(new GridColumn().RightAligned());
+            loremTable.AddRow($"[green]{lorem}[/]", $"[yellow]{lorem}[/]", $"[blue]{lorem}[/]");
+            return loremTable;
+        }
+
+        private static IRenderable GetTreeTable()
+        {
+            var tree = new Tree("📁 src");
+            tree.AddNode("📁 foo").AddNode("📄 bar.cs");
+            tree.AddNode("📁 baz").AddNode("📁 qux").AddNode("📄 corgi.txt");
+            tree.AddNode("📄 waldo.xml");
+
+            var table = new Table().SimpleBorder().BorderColor(Color.Grey);
+            table.AddColumn(new TableColumn("Overview"));
+            table.AddColumn(new TableColumn("").Footer("[grey]3 Files, 225 KiB[/]"));
+            table.AddRow(new Markup("[yellow]Files[/]"), tree);
+
+            return new Table().RoundedBorder().Collapse().BorderColor(Color.Yellow)
+                .AddColumn("Foo").AddColumn("Bar")
+                .AddRow(new Text("Baz"), table)
+                .AddRow("Qux", "Corgi");
+        }
+
+        private static IRenderable GetBarChart()
+        {
+            return new BarChart()
+                .AddItem("Apple", 32, Color.Green)
+                .AddItem("Oranges", 13, Color.Orange1)
+                .AddItem("Bananas", 22, Color.Yellow);
+        }
+
+        private static IRenderable GetBreakdownChart()
+        {
+            return new BreakdownChart()
+                .ShowPercentage()
+                .FullSize()
+                .AddItem("C#", 82, Color.Green)
+                .AddItem("PowerShell", 13, Color.Red)
+                .AddItem("Bash", 5, Color.Blue);
+        }
+    }
+}

src/Spectre.Console.sln

@@ -80,7 +80,9 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Plugins", "Plugins", "{E0E4
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Trees", "..\examples\Console\Trees\Trees.csproj", "{CA7AF967-3FA5-4CB1-9564-740CF4527895}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Logging", "..\examples\Cli\Logging\Logging.csproj", "{33C7075A-DF97-44FC-8AB3-0CCFBA03341A}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Logging", "..\examples\Cli\Logging\Logging.csproj", "{33C7075A-DF97-44FC-8AB3-0CCFBA03341A}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Demo", "..\examples\Console\Demo\Demo.csproj", "{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -440,6 +442,18 @@ Global
 		{33C7075A-DF97-44FC-8AB3-0CCFBA03341A}.Release|x64.Build.0 = Release|Any CPU
 		{33C7075A-DF97-44FC-8AB3-0CCFBA03341A}.Release|x86.ActiveCfg = Release|Any CPU
 		{33C7075A-DF97-44FC-8AB3-0CCFBA03341A}.Release|x86.Build.0 = Release|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Debug|x64.Build.0 = Debug|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Debug|x86.Build.0 = Debug|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Release|x64.ActiveCfg = Release|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Release|x64.Build.0 = Release|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Release|x86.ActiveCfg = Release|Any CPU
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -473,6 +487,7 @@ Global
 		{F83CB4F1-95B8-45A4-A415-6DB5F8CA1E12} = {42792D7F-0BB6-4EE1-A314-8889305A4C48}
 		{CA7AF967-3FA5-4CB1-9564-740CF4527895} = {F0575243-121F-4DEE-9F6B-246E26DC0844}
 		{33C7075A-DF97-44FC-8AB3-0CCFBA03341A} = {42792D7F-0BB6-4EE1-A314-8889305A4C48}
+		{A6B621B4-24D6-461D-9104-A94C9B5D9EB4} = {F0575243-121F-4DEE-9F6B-246E26DC0844}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {5729B071-67A0-48FB-8B1B-275E6822086C}

src/Spectre.Console/Internal/DecorationTable.cs

@@ -22,9 +22,12 @@ namespace Spectre.Console
                 { "underline", Decoration.Underline },
                 { "u", Decoration.Underline },
                 { "invert", Decoration.Invert },
+                { "reverse", Decoration.Invert },
                 { "conceal", Decoration.Conceal },
+                { "blink", Decoration.SlowBlink },
                 { "slowblink", Decoration.SlowBlink },
                 { "rapidblink", Decoration.RapidBlink },
+                { "strike", Decoration.Strikethrough },
                 { "strikethrough", Decoration.Strikethrough },
                 { "s", Decoration.Strikethrough },
             };