functions/New-RedGreenGradient.ps1
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Function New-RedGreenGradient { [cmdletbinding()] [OutputType([System.String])] Param( [Parameter(Position = 0, HelpMessage = "Specify a percentage as a decimal value like .35")] [ValidateScript( {$_ -le 1})] [double]$Percent = 1, [Parameter(HelpMessage = "Specify a relative bar length. The smaller the number the longer the bar.")] [ValidateRange(2, 10)] [int]$Step = 5, [Parameter(HelpMessage = "Specify a character to use for the gradient bar")] [char]$Character = 0x2588 ) Write-Verbose "Starting $($MyInvocation.MyCommand)" $r = 255 $g = 0 Write-Verbose "Using a percentage of $Percent" [int]$max = $r*$Percent Write-Verbose "Using a calculated max value of $max" [string[]]$out = @() Write-Verbose "Looping from through with a step value of $step" for ($i = 0; $i -le $max; $i += $Step) { $out += "$([char]0x1b)[38;2;$r;$g;0m$Character$([char]0x1b)[0m" $r -= $Step $g += $Step if ($g -ge 256) { Write-Verbose "100% green has been reached" break } } Write-Verbose "Creating final ANSI gradient bar" $out -join "" Write-Verbose "Ending $($MyInvocation.MyCommand)" } #end function |