<# :
@echo off
rem 字体靠左显示的，想更改可以改18行的那个0，字体大小可以改17行的24.0
powershell -NoProfile -ExecutionPolicy bypass "Get-Content -literal '%~f0' |Out-String|Invoke-Expression"
pause
#>
[system.reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null
function mer($path1, $text, $path2){
        $pic = New-Object System.Drawing.Bitmap($path1) 
        $out=New-Object Drawing.Bitmap $pic.Width,($pic.Height+50)
        $g=[Drawing.Graphics]::FromImage($out)
        $g.DrawImage($pic,0,0,$pic.Width,$pic.Height)
        $pic1=New-Object Drawing.Bitmap $pic.Width,50
        $g1=[Drawing.Graphics]::FromImage($pic1)
        $g1.FillRectangle([System.Drawing.Brushes]::White, 0, 0, $pic.Width, 50)
        $g.DrawImage($pic1,0,$pic.Height,$pic.Width,50)
        $font=[System.Drawing.Font]::new("宋体",24.0)
        $g.DrawString($text,$font,[System.Drawing.Brushes]::Black,0,$pic.Height+15)
        $out.Save($path2)
        $pic.Dispose()
        $pic1.Dispose()
}
$ext=@('.jpg', '.jpeg', '.bmp', '.png', '.gif', '.TIF');
dir |?{($ext -contains $_.Extension) -and ($_ -is [System.IO.FileInfo])}|%{
        mer -path1 $_.fullname -text $_.basename -path2 $_.fullname.replace($_.Extension, (“_1”+$_.Extension))
}
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