Public/Get-Base64.ps1
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function Get-Base64 { <# .SYNOPSIS Converts an image to its base64 string representation. .DESCRIPTION A base64 string can be passed to 'Show-Anybox' to show an image, which eliminates the reliance on the external file, making the script more easily portable. .PARAMETER ImagePath Specifies a path to one or more locations. .PARAMETER ImagePath Specifies a path to one or more locations. .EXAMPLE [string]$base64 = 'C:\Path\to\img.png' | ConvertTo-Base64 Show-AnyBox -Image $base64 -Message 'Hello World' .INPUTS The path to an image file. .OUTPUTS The base64 string representation of the image at $ImagePath. #> param( [Parameter(ValueFromPipeline=$true)] [string[]]$ImagePath, [ValidateNotNullOrEmpty()] [System.Drawing.Imaging.ImageFormat]$ImageFormat = [System.Drawing.Imaging.ImageFormat]::Png ) process { foreach ($img in $ImagePath) { $bmp = [System.Drawing.Bitmap]::FromFile($img) $memory = New-Object System.IO.MemoryStream $null = $bmp.Save($memory, $ImageFormat) [byte[]]$bytes = $memory.ToArray() $memory.Close() [System.Convert]::ToBase64String($bytes) } } } |