Src/Private/Get-DiaImagePercent.ps1
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function Get-DiaImagePercent { <# .SYNOPSIS Used by As Built Report to get base64 image percentage calculated from image width. .DESCRIPTION This allow the diagram image to fit the report page margins .NOTES Version: 0.1.8 Author: Jonathan Colon .EXAMPLE .LINK #> [CmdletBinding()] [OutputType([Hashtable])] Param ( [Parameter ( Position = 0, Mandatory = $false, HelpMessage = 'Please provide Graphviz object' )] [string] $GraphObj, [Parameter( Position = 1, Mandatory = $false, HelpMessage = 'Please provide image file path' )] [ValidateScript( { if (Test-Path -Path $_) { $true } else { throw "File $_ not found!" } })] [string] $ImageInput ) begin { # Validate mandatory parameters if ((!$PSBoundParameters.ContainsKey('ImageInput')) -and (!$PSBoundParameters.ContainsKey('GraphObj'))) { throw "Error: Please provide a image path or a graphviz string to process." } } Process { if ($GraphObj) { $ImagePrty = @{} try { $Image_FromStream = [System.Drawing.Image]::FromStream((New-Object System.IO.MemoryStream(, [convert]::FromBase64String($GraphObj)))) } catch { Write-Verbose "Unable to convert Graphviz object to base64 format needed to get image dimensions" Write-Verbose $($_.Exception.Message) } if ($Image_FromStream) { $ImagePrty = @{ 'Width' = $Image_FromStream.Width 'Height' = $Image_FromStream.Height } return $ImagePrty } else { Write-Verbose "Unable to validate image dimensions" } } else { $ImagePrty = @{} try { $Image = [System.Drawing.Image]::FromFile((Get-ChildItem -Path $ImageInput).FullName) } catch { Write-Verbose "Unable to validate image path needed to get image dimensions" Write-Verbose $($_.Exception.Message) } if ($Image) { $ImagePrty = @{ 'Width' = $Image.Width 'Height' = $Image.Height } return $ImagePrty } else { Write-Verbose "Unable to validate image dimensions" } } } end {} } # end |