Add copy-image-pixelated.ps1

Scripts/copy-image-pixelated.ps1

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+<#
+.SYNOPSIS
+	Copy a single image into a series of pixelated images
+.DESCRIPTION
+	This PowerShell script copies a single image file into a series of pixelated images in a target dir.
+.PARAMETER SourceFile
+	Specifies the path to the image source file
+.PARAMTER TargetDir
+	Specifies the path to the target folder
+.EXAMPLE
+	PS> ./copy-image-pixelated C:\my_photo.jpg C:\Temp
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+param([string]$SourceFile = "", [string]$TargetDir = "")
+
+try {
+	if ($SourceFile -eq "") { $SourceFile = Read-Host "Enter file path to source image file" }
+	if ($TargetDir -eq "") { $TargetDir = Read-Host "Enter file path to target directory" }
+	$StopWatch = [system.diagnostics.stopwatch]::startNew()
+
+	$Basename = (Get-Item "$SourceFile").Basename
+	$Factor = 0.001
+	for ($i = 0; $i -lt 300; $i++) {
+		$TargetFile = "$TargetDir/$($Basename)_$($i).jpg"
+		Write-Host "⏳ Copying $SourceFile to $TargetFile with pixelation factor $Factor..."
+		$Coeff1 = 100.0 * $Factor
+		$Coeff2 = 100.0 / $Factor
+		& convert -scale $Coeff1% -scale $Coeff2% "$SourceFile" "$TargetFile"
+		$Factor += 0.0005
+	}
+
+	[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
+	"✔️ copied $SourceFile to a series of 300 pixelated images in 📂$TargetDir in $Elapsed sec"
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}