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Renamed folder Scripts to scripts
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51
scripts/convert-image2pixelated-frames.ps1
Executable file
51
scripts/convert-image2pixelated-frames.ps1
Executable file
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<#
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.SYNOPSIS
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Converts an image into pixelated frames
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.DESCRIPTION
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This PowerShell script converts a single image file into a series of pixelated frames in a target dir.
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Requires ImageMagick 6.
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.PARAMETER SourceFile
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Specifies the path to the image source file
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.PARAMTER TargetDir
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Specifies the path to the target folder
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.EXAMPLE
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PS> ./convert-image2pixelated-frames C:\my_photo.jpg C:\Temp
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([string]$SourceFile = "", [string]$TargetDir = "", [int]$Frames = 700)
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try {
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if ($SourceFile -eq "") { $SourceFile = Read-Host "Enter file path to source image file" }
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if ($TargetDir -eq "") { $TargetDir = Read-Host "Enter file path to target directory" }
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$StopWatch = [system.diagnostics.stopwatch]::startNew()
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"⏳ (1/$Frames) Checking source image file..."
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if (!(Test-Path "$SourceFile" -pathType leaf)) { throw "Can't access source image file: $SourceFile" }
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$Basename = (Get-Item "$SourceFile").Basename
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"⏳ (2/$Frames) Searching for ImageMagick 6 executable..."
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& convert-im6 --version
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if ($lastExitCode -ne "0") { throw "Can't execute 'convert-im6' - make sure ImageMagick 6 is installed and available" }
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$Factor = 0.001
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for ($i = 0; $i -lt $Frames; $i++) {
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$FrameNo = '{0:d4}' -f $i
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$TargetFile = "$TargetDir/frame_$($FrameNo).jpg"
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"⏳ ($($i + 3)/$Frames) Converting with pixelation factor $Factor to $TargetFile..."
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$Coeff1 = 100.0 * $Factor
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$Coeff2 = 100.0 / $Factor
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& convert-im6 -scale $Coeff1% -scale $Coeff2% "$SourceFile" "$TargetFile"
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$Factor += 0.0005
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}
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[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
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"✅ converted image $SourceFile to $Frames pixelated frames in 📂$TargetDir in $Elapsed sec."
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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