Commands/Custom/SVG.ArcPath.ps1
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function SVG.ArcPath { <# .SYNOPSIS Draws an SVG arc. .DESCRIPTION Draws an SVG arc path. .EXAMPLE =<svg> -Viewbox 100, 100 ( =<svg.ArcPath> -Start 50 -End 75 -Radius 25 -Large ) -OutputPath .\arcs.svg .LINK SVG.Path #> [Alias('SVG.ArcedPath','=<SVG.ArcedPath>')] [CmdletBinding(PositionalBinding=$false)] param( # The Starting point of the arc. # If only one value is provided, it will be used as the X and Y coordinate. [Parameter(ValueFromPipelineByPropertyName)] [double[]] $Start, # The radius of the arc. # If only one value is provided, it will be used as the X and Y coordinate. [Parameter(ValueFromPipelineByPropertyName)] [double[]] $Radius, # The Arc Rotation along the X axis. [Parameter(ValueFromPipelineByPropertyName)] [Alias('XAxisRotation')] $ArcRotation = 0, # If set, the arc will be considered a "Large arc" [Parameter(ValueFromPipelineByPropertyName)] [Alias('IsLargeArc','LargeArc')] [switch] $Large, # If set, the arc will sweep the circle. [Parameter(ValueFromPipelineByPropertyName)] [switch] $Sweep, # The end point of the arc. # If only one value is provided, it will be used as the X and Y coordinate. [Parameter(ValueFromPipelineByPropertyName)] [double[]] $End, # If set, will close the path after this element. [Parameter(ValueFromPipelineByPropertyName)] [switch] $Close ) dynamicParam { $baseCommand = if (-not $script:SVGpath) { $script:SVGpath = $executionContext.SessionState.InvokeCommand.GetCommand('SVG.path','Function') $script:SVGpath } else { $script:SVGpath } $IncludeParameter = @() $ExcludeParameter = @() $DynamicParameters = [Management.Automation.RuntimeDefinedParameterDictionary]::new() :nextInputParameter foreach ($paramName in ([Management.Automation.CommandMetaData]$baseCommand).Parameters.Keys) { if ($ExcludeParameter) { foreach ($exclude in $ExcludeParameter) { if ($paramName -like $exclude) { continue nextInputParameter} } } if ($IncludeParameter) { $shouldInclude = foreach ($include in $IncludeParameter) { if ($paramName -like $include) { $true;break} } if (-not $shouldInclude) { continue nextInputParameter } } $DynamicParameters.Add($paramName, [Management.Automation.RuntimeDefinedParameter]::new( $baseCommand.Parameters[$paramName].Name, $baseCommand.Parameters[$paramName].ParameterType, $baseCommand.Parameters[$paramName].Attributes )) } $DynamicParameters } process { $existingPath = '' if ($PSBoundParameters.D) { $existingPath = $PSBoundParameters.D + ' ' } if ($_ -eq $PSBoundParameters.Content) { $null = $PSBoundParameters.Remove('Content') } $arcPath = @( if ($psBoundParameters.Keys -eq 'Start') { "M" if ($start.Length -gt 2) { Write-Error "-Start can only contain one or two values" return } elseif ($start.Length -eq 2) { $start[0],$start[1] } else { $start[0],$start[0] } } "A" if ($Radius.Length -gt 2) { Write-Error "-Radius can only contain one or two values" return } elseif ($Radius.Length -eq 2) { $Radius[0],$Radius[1] } elseif ($Radius.Length -eq 1) { $Radius[0],$Radius[0] } else { 1,1 } $ArcRotation if ($Large) { 1 } else { 0 } if ($Sweep) { 1 } else { 0 } if ($end.Length -gt 2) { Write-Error "-End can only contain one or two values." return } elseif ($end.Length -eq 2 ) { $End[0],$end[1] } elseif ($end.Length -eq 1) { $End[0],$end[0] } else { 0, 0 } if ($Close) { "Z" } ) -join ' ' $PSBoundParameters['D'] = $existingPath + $arcPath $baseSplat = [Ordered]@{} foreach ($k in $PSBoundParameters.Keys) { if ($baseCommand.Parameters[$k]) { $baseSplat[$k] = $PSBoundParameters[$k] } } SVG.Path @baseSplat } } |