Switch-Color.ps1
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function Switch-Color { <# .Synopsis Switches a color up .Description Switches a color up by changing ratios of a given part or inverting the color .Example #> [CmdletBinding(DefaultParameterSetName='Shift')] param( # A color #|Color [ValidateScript({ $_ -like "??????" })] [Parameter(Mandatory=$true,Position=0)] [string] $Color, # If set, will invert the color [Parameter(Mandatory=$true,ParameterSetName='Invert')] [Switch] $Invert, # If set, will skip processing red [switch]$SkipRed, # If set, will skip processing blue [switch]$skipBlue, # If set, will skip processing green [switch]$skipGreen, # The ratio of change to apply to the color #|Default 1 [Double]$Ratio = 1 ) process { $redPart = [int]::Parse($color[1..2]-join'', [Globalization.NumberStyles]::HexNumber) $greenPart = [int]::Parse($color[3..4]-join '', [Globalization.NumberStyles]::HexNumber) $bluePart = [int]::Parse($color[5..6] -join'', [Globalization.NumberStyles]::HexNumber) $newr = $redPart $newB = $bluePart $newg = $greenPart if ($psCmdlet.PArameterSetName -eq 'Invert') { if (-not $skipRed) { $newr = (255 - $redPart) * $ratio } if (-not $skipGreen) { $newg = (255 - $greenPart) * $ratio } if (-not $skipBLue) { $newb = (255 - $bluePart) * $ratio } } elseif ($psCmdlet.PArameterSetName -eq 'Shift') { $newr = $redPart * $ratio $newb = $bluePart * $ratio $newg = $greenPart * $ratio } if ($newr -gt 255) { $newr = 255 } if ($newg -gt 255) { $newg = 255 } if ($newb -gt 255) { $newb = 255 } "#" + ("{0:x}" -f ([int]$newr)).PadLeft(2, "0") + ("{0:x}" -f ([int]$newg)).PadLeft(2, "0") + ("{0:x}" -f ([int]$newb)).PadLeft(2, "0") } } |