flashercs

图片添加水印.bat
默认添加到图片中间了,水印位置共9种选择.

<#*,:&cls
@echo off
pushd "%~dp0"
powershell -NoProfile -ExecutionPolicy RemoteSigned -Command ". ([ScriptBlock]::Create((Get-Content -LiteralPath \"%~0\" -ReadCount 0 | Out-String ))) "
popd
pause
exit /b
#>
# 图片文件夹列表
$picDirs = "D:\image\300","D:\image"
# 水印图片路径
$picWatermark = "D:\image\logo.png"
# 水印水平位置: Left,Center,Right
$HorizontalPosition = "Center"
# 水印垂直位置: Top,Center,Bottom
$VerticalPosition = "Center"
function Get-PictureInfo {
  [CmdletBinding(DefaultParameterSetName = "PathSet")]
  param (
    [Parameter(Mandatory = $true,
      Position = 0,
      ParameterSetName = "PathSet",
      ValueFromPipeline = $true,
      ValueFromPipelineByPropertyName = $true,
      HelpMessage = "Path to one or more locations.")]
    [ValidateNotNullOrEmpty()]
    [string[]]
    $Path,
    [Parameter(Mandatory = $false,
      ParameterSetName = "LiteralPathSet",
      ValueFromPipelineByPropertyName = $true,
      HelpMessage = "Literal path to one or more locations.")]
    [ValidateNotNullOrEmpty()]
    [string[]]
    $LiteralPath
  )
  
  begin {
    if ($PSBoundParameters.ContainsKey("Debug")) {
      $DebugPreference = "Continue"
    }
    
  }
  
  process {
    $pathToProcess = if ($PSCmdlet.ParameterSetName -eq 'PathSet') {
      Convert-Path -Path $Path
    } else {
      Convert-Path -LiteralPath $LiteralPath
    }
    foreach ($filePath in $pathToProcess) {
      if (Test-Path -LiteralPath $filePath -PathType Container) {
        continue
      }
      try {
        $bitmap = New-Object "System.Drawing.Bitmap" -ArgumentList $filePath
      } catch {
        $filePath, $Error[0] | Out-String | Write-Host -ForegroundColor Red
        continue
      }
      New-Object -TypeName psobject -Property @{
        FilePath    = $filepath
        Width       = $bitmap.Width
        Height      = $bitmap.Height
        PixelFormat = $bitmap.PixelFormat
      }
      $bitmap.Dispose()
    }
  }
}
function Add-WaterMark {
  param (
    [string]$ImageSource,
    [string]$ImageWatermark,
    [ValidateSet('Left', 'Center', 'Right')]
    [string]$HorizontalPosition = 'Center',
    [ValidateSet('Top', 'Center', 'Bottom')]
    [string]$VerticalPosition = 'Center'
  )
  $tmppic = [System.IO.Path]::GetTempFileName() + [System.IO.Path]::GetExtension($ImageSource)
  try {
    $image = [System.Drawing.Image]::FromFile($ImageSource)
    $watermark = [System.Drawing.Image]::FromFile($ImageWatermark)
    $gfx = [System.Drawing.Graphics]::FromImage($image)
    $waterbrush = New-Object System.Drawing.TextureBrush -ArgumentList $watermark
    switch ($HorizontalPosition) {
      'Left' { [int]$x = 0 }
      'Center' { [int]$x = [math]::Floor(($image.Width - $watermark.Width) / 2) }
      'Right' { [int]$x = $image.Width - $watermark.Width }
    }
    switch ($VerticalPosition) {
      'Top' { [int]$y = 0 }
      'Center' { [int]$y = [math]::Floor(($image.Height - $watermark.Height) / 2) }
      'Bottom' { [int]$y = $image.Height - $watermark.Height }
    }
    
    $waterbrush.TranslateTransform($x, $y)
    $gfx.FillRectangle($waterbrush, (New-Object System.Drawing.Rectangle -ArgumentList @((New-Object System.Drawing.Point -ArgumentList $x, $y), $watermark.Size)))
    $image.Save($tmppic)
  } finally {
    if ($image) {
      $image.Dispose()
    }
    if ($watermark) {
      $watermark.Dispose()
    }
    if ($gfx) {
      $gfx.Dispose()
    }
    if ($waterbrush) {
      $waterbrush.Dispose()
    }
    Move-Item -LiteralPath $tmppic -Destination $ImageSource -Force
  }
}
Add-Type -AssemblyName System.Drawing

foreach ($picDir in $picDirs) {
  $backupdir = "$picDir\备份"
  if (!(Test-Path -LiteralPath $backupdir)) {
    New-Item -Path $backupdir -ItemType Directory
  }
  Get-Item -Path $picDir\* -Include *.png, *.jpg -OutBuffer 10 | Get-PictureInfo | Where-Object { $_.Width -ge 1000 } | `
    Sort-Object -Property Width, Height -Descending | Select-Object -ExpandProperty FilePath -First 2 | ForEach-Object {
    Copy-Item -LiteralPath $_ -Destination $backupdir -Verbose
    '添加水印: ' + $_ | Out-Host
    Add-WaterMark -ImageSource $_ -ImageWatermark $picWatermark -HorizontalPosition $HorizontalPosition -VerticalPosition $VerticalPosition
  }
}
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