New

Author: SamErde

General/Convert-ColorToConsoleColor.ps1

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+function Convert-ColorToConsoleColor {
+    <#
+    .SYNOPSIS
+    Convert a color ([System.Drawing.Color]) to the closest matching console color name ([System.ConsoleColor]).
+
+    .DESCRIPTION
+    Convert a color ([System.Drawing.Color]) to the closest matching console color name ([System.ConsoleColor]).
+
+    .PARAMETER Color
+    An [A,]R,G,B color value or object.
+
+    .EXAMPLE
+    $Color = [System.Drawing.Color]::FromArgb(50, 55, 20)
+    $ConsoleColor = Convert-ColorToConsoleColor -Color $Color
+    Write-Output $ConsoleColor
+
+    .EXAMPLE
+    Convert-ColorToConsoleColor -Color ([System.Drawing.Color]::FromArgb(50, 55, 20))
+
+    .EXAMPLE
+    Convert-ColorToConsoleColor -Color ([System.Drawing.Color]::DarkOrchid)
+
+    .EXAMPLE
+    [System.Drawing.Color]::BurlyWood | Convert-ColorToConsoleColor
+
+    .EXAMPLE
+    $psISE.Options.ConsolePaneTextBackgroundColor.ToString() | Convert-ColorToConsoleColor
+
+    Converts the value of the PowerShell ISE console pane text background color to the closest matching console color.
+
+    .OUTPUTS
+    System.ConsoleColor
+
+    .NOTES
+    Author: Sam Erde
+    Version: 1.0.0
+    Modified: 2024-12-04
+
+    To Do: Add tab-autocomplete for color names.
+    #>
+    [CmdletBinding()]
+    [OutputType([System.ConsoleColor])]
+    param (
+        [Parameter(Mandatory, Position = 0, ValueFromPipeline)]
+        [ArgumentCompleter({ ColorArgumentCompleter @args })]
+        [System.Drawing.Color]
+        $Color
+    )
+
+    $ConsoleColorList = [Enum]::GetValues([System.ConsoleColor])
+    $ClosestColor = [System.ConsoleColor]::Black
+    $SmallestDistance = [double]::MaxValue
+
+    # Loop through each console color and find the closest match to the input color.
+    foreach ($ConsoleColor in $ConsoleColorList) {
+        $ConsoleColorValue = [System.Drawing.Color]::FromName($ConsoleColor.ToString())
+        $Distance = [math]::Sqrt(
+            [math]::Pow($color.R - $ConsoleColorValue.R, 2) +
+            [math]::Pow($color.G - $ConsoleColorValue.G, 2) +
+            [math]::Pow($color.B - $ConsoleColorValue.B, 2)
+        )
+
+        if ($Distance -lt $SmallestDistance) {
+            $SmallestDistance = $Distance
+            $ClosestColor = [System.ConsoleColor]$ConsoleColor
+        }
+    }
+
+    $ClosestColor
+}
+
+function ColorArgumentCompleter {
+    param($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameter)
+
+    $KnownColors = [System.Enum]::GetValues([System.Drawing.KnownColor])
+    $ColorNames = $KnownColors | ForEach-Object {
+        [System.Drawing.Color]::FromKnownColor($_).Name
+    }
+    $ColorNames
+}