Batch Resize Using PowerShell

Code snippet

param([String]$inputDir, [String]$outputDir)  
  
If (!$inputDir) {  
 echo "inputDir is not specified."  
 Exit  
}  
  
If (!$outputDir) {  
 echo "outputDir is not specified."  
 Exit  
}  
  
[Reflection.Assembly]::LoadFile("C:\Program Files (x86)\Aurigma\Graphics Mill 7 SDK\.Net 3.5\Binaries_x64\Aurigma.GraphicsMill.dll")  
  
Get-ChildItem $inputDir -Filter *.jpg | `  
Foreach-Object{  
 write-host $_.FullName  
   
 Try  
 {  
  $bitmap = new-object Aurigma.GraphicsMill.Bitmap $_.FullName  
  $bitmap.Transforms.Resize(640, 640, [Aurigma.GraphicsMill.Transforms.ResizeInterpolationMode]::High, [Aurigma.GraphicsMill.Transforms.ResizeMode]::Fit)  
  $bitmap.ColorAdjustment.AutoLevels()  
  $bitmap.Save($outputDir + "\" + $_.Name)   
    
  write-host "Success" -foreground "green"     
 }  
 Catch  
 {  
  write-host "Error" -foreground "red"   
 }  
 Finally  
 {  
  If ($bitmap)  
  {  
   $bitmap.Dispose()   
  }  
 }  
}

Using

PS C:\> .\resize.ps1 <inputDir> <ouputDir>