buyiyang

回复 3# wh123wh123

RemoveICCfromJPG.ps1

Add-Type -AssemblyName System.Drawing
$cp = New-Object CodeDom.Compiler.CompilerParameters
$cp.ReferencedAssemblies.Add([Reflection.Assembly]::GetAssembly([Drawing.Image]).Location) >$null
$cp.CompilerOptions ='/unsafe'
Add-Type -CompilerParameters $cp -TypeDefinition @"
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;

public class ImageProcessor
{
    public static void RemoveICCProfile(string imagePath)
    {
        string tempPath = Path.GetTempFileName();

        using (Image image = Image.FromFile(imagePath))
        {
            if (image.PropertyItems.Length > 0)
            {
                foreach (PropertyItem propertyItem in image.PropertyItems)
                {
                    if (propertyItem.Id == 0x8773)
                    {
                        image.RemovePropertyItem(propertyItem.Id);
                    }
                }
            }

            image.Save(tempPath, ImageFormat.Jpeg);
        }

        File.Delete(imagePath);
        File.Move(tempPath, imagePath);
    }
}
"@

dir *.jpg | ForEach-Object {
    [ImageProcessor]::RemoveICCProfile($_.FullName)
}
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buyiyang

回复 9# terse


    ISE才可以

buyiyang

回复 17# wh123wh123


    whiteCoverJPG.ps1

Add-Type -AssemblyName System.Drawing
function Cover-Image {
    param(
        [string]$ImagePath,
        [int]$TopCover,
        [int]$BottomCover
    )
    $originalImage = [System.Drawing.Image]::FromFile($ImagePath)
    $originalHeight = $originalImage.Height
    $originalWidth = $originalImage.Width
    $graphics = [System.Drawing.Graphics]::FromImage($originalImage)
    $whiteBrush = New-Object System.Drawing.SolidBrush([System.Drawing.Color]::White)
    $graphics.FillRectangle($whiteBrush, 0, 0, $originalWidth, $TopCover)
    $graphics.FillRectangle($whiteBrush, 0, $originalHeight - $BottomCover, $originalWidth, $BottomCover)

    $coveredImagePath = [System.IO.Path]::ChangeExtension($ImagePath, "covered.jpg")
    $originalImage.Save($coveredImagePath, [System.Drawing.Imaging.ImageFormat]::Jpeg)
}

# 白色覆盖顶部100像素，底部150像素
$topCover = 100
$bottomCover = 150

dir *.jpg | ForEach-Object {
    Cover-Image -ImagePath $_.FullName -TopCover $topCover -BottomCover $bottomCover
    }
复制代码

buyiyang

回复 35# wh123wh123

removeRedWatermark.ps1

Add-Type -AssemblyName System.Drawing

function removeRedWatermark-Image {
    param([string]$imagePath)
    $image = [System.Drawing.Bitmap]::FromFile($imagePath)
    $rect = New-Object System.Drawing.Rectangle(0, 0, $image.Width, $image.Height)
    $bitmapData = $image.LockBits($rect, [System.Drawing.Imaging.ImageLockMode]::ReadWrite, $image.PixelFormat)
    $ptr = $bitmapData.Scan0
    $bytes = $bitmapData.Stride * $image.Height
    $rgbValues = New-Object byte[] $bytes
    [System.Runtime.InteropServices.Marshal]::Copy($ptr, $rgbValues, 0, $bytes)

    for ($i = 0; $i -lt $rgbValues.Length; $i += 3) {
        $b = $rgbValues[$i]
        $g = $rgbValues[$i + 1]
        $r = $rgbValues[$i + 2]

        if ($r -gt $g -and $r -gt $b) {
            $total = $r + $g + $b
            if ($total -gt 400) {
                $rgbValues[$i] = 255
                $rgbValues[$i + 1] = 255
                $rgbValues[$i + 2] = 255
            } else {
                $rgbValues[$i] = 0
                $rgbValues[$i + 1] = 0
                $rgbValues[$i + 2] = 0
            }
        }
    }
    [System.Runtime.InteropServices.Marshal]::Copy($rgbValues, 0, $ptr, $bytes)
    $image.UnlockBits($bitmapData)
    $newPath = [System.IO.Path]::GetDirectoryName($imagePath) + "\processed_" + [System.IO.Path]::GetFileName($imagePath)
    $image.Save($newPath)
    $image.Dispose()
}

$(dir *.jpg).foreach{
    Write-Host "processing: $($_.Name)"
    removeRedWatermark-Image $_.FullName
}
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